CA2448241A1 - Conjugated nonadecadienoic acid compositions - Google Patents
Conjugated nonadecadienoic acid compositions Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/21—Esters, e.g. nitroglycerine, selenocyanates
- A61K31/215—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids
- A61K31/22—Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin
- A61K31/225—Polycarboxylic acids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/20—Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/20—Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids
- A61K31/202—Carboxylic acids, e.g. valproic acid having a carboxyl group bound to a chain of seven or more carbon atoms, e.g. stearic, palmitic, arachidic acids having three or more double bonds, e.g. linolenic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/66—Phosphorus compounds
- A61K31/683—Diesters of a phosphorus acid with two hydroxy compounds, e.g. phosphatidylinositols
- A61K31/685—Diesters of a phosphorus acid with two hydroxy compounds, e.g. phosphatidylinositols one of the hydroxy compounds having nitrogen atoms, e.g. phosphatidylserine, lecithin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/04—Anorexiants; Antiobesity agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/06—Antihyperlipidemics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/02—Antithrombotic agents; Anticoagulants; Platelet aggregation inhibitors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/10—Drugs for disorders of the cardiovascular system for treating ischaemic or atherosclerotic diseases, e.g. antianginal drugs, coronary vasodilators, drugs for myocardial infarction, retinopathy, cerebrovascula insufficiency, renal arteriosclerosis
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
Abstract
The present invention provides a method of using conjugated nonadecadienoic acid (CNA), one of its derivatives, or a combination thereof to inhibit lipoprotein lipase activity associated with a cell, to control body fat in a human or non-human animal, to inhibit cyclooxygenase activity in a cell, to inhibit platelet aggregation in a human or non-juman animal, and to prevent or treat a condition or disease related to platelet aggregation.
Description
CONJUGATED NONADECADIENOIC ACID COMPOSITIONS
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application claims the benefit of U.S. provisional applications bearing Serial Number 60/294,908, filed on May 31, 2001-, and Serial Number 60/362,248, filed on March 6, 2002.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
CROSS-REFERENCE TO RELATED APPLICATION
[0001] This application claims the benefit of U.S. provisional applications bearing Serial Number 60/294,908, filed on May 31, 2001-, and Serial Number 60/362,248, filed on March 6, 2002.
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
[0002] To be determined.
BACKGROUND OF THE INVENTION
BACKGROUND OF THE INVENTION
[0003] It can be desirable in the medical and veterinary arts to reduce fat accumulation in fat-storing cells ("adipocytes"). In obese human and non-human animals in particular, adipocytes that accumulate excess lipids can become insulin-resistant, a characteristic that has many adverse effects including the development of diabetes. Adipocytes cannot directly take up and accumulate triglycerides from the blood. Instead, an cell-associated extracellular lipoprotein lipase (LPL) enzyme breaks down blood-borne triglyceride molecules into a glycerol molecule and three fatty acids molecules. The adipocytes can take up and convert the fatty acids into triacylglycerides for accumulation and storage.
[0004] Likewise, adipocytes cannot directly secrete fatty acids. Instead, a intracellular hormone-sensitive lipase breaks down cellular triacylglycerides into free fatty acid and glycerol metabolites that can be released from the cells. Hormone-sensitive lipase activity increases and decreases in response to its phosphorylation by a cyclic AMP-dependent protein kinase. The extent of phosphorylation, in turn, is determined by cyclic AMP levels.
Norepinephrine and glucagon stimulate cyclic AMP production while insulin decreases cyclic AMP
levels.
Norepinephrine and glucagon stimulate cyclic AMP production while insulin decreases cyclic AMP
levels.
[0005] Conjugated linoleic acid (CLA), a series of positional and geometric isomers having eighteen carbons and a pair of conjugated double bonds, has many biological activities including those related to the metabolism of body fat and arachidonic acid. CLA inhibits LPL activity and prevents fat accumulation in human and non-human animals. Other compounds and methods for controlling body fat by reducing accumulation of fat in fat cells are desired.
[0006] CLA also inhibits platelet aggregation, in that it inhibits cyclooxygenase (COX)-directed conversion of arachidonic acid to prostaglandins and thromboxanes.
Thromboxane A2 is a potent inducer of platelet aggregation. Inhibition of platelet aggregation advantageously reduces the risk of arteriosclerosis, inflammation, and risk of stroke.
Millions of Americans are prescribed aspirin to reduce the risk of these diseases. Other compounds and methods for inhibiting platelet aggregation are also desired.
BRIEF SUMMARY OF THE INVENTION
Thromboxane A2 is a potent inducer of platelet aggregation. Inhibition of platelet aggregation advantageously reduces the risk of arteriosclerosis, inflammation, and risk of stroke.
Millions of Americans are prescribed aspirin to reduce the risk of these diseases. Other compounds and methods for inhibiting platelet aggregation are also desired.
BRIEF SUMMARY OF THE INVENTION
[0007] The present invention provides a method for inhibiting adipocyte-associated lipoprotein lipase activity in a human or non-human animal by administering a treating agent that comprises at least one of conjugated nonadecadienoic acid (CNA) and at least one derivative thereof in an amount effective to modulate the lipoprotein lipase activity. As a result, body fat is controlled, cyclooxygenase activity is inhibited or platelet aggregation is inhibited in the animal, thereby preventing or treating a related condition or disease.
[0008] The present invention also provides an edible composition comprising at least one of CNA and at least one derivative thereof in an amount effective to modulate the lipoprotein lipase activity, with an edible carrier.
[0009] The present invention also provides a pharmaceutical composition comprising at least one of CNA and at least one derivative thereof in an amount effective to modulate the lipoprotein lipase activity, with a pharmaceutical carrier.
[00010] It is an object of the present invention to provide compositions and methods for controlling body fat, inhibiting cyclooxygenase activity, reducing release of PGE2,, and inhibiting platelet aggregation in a cell of a human or non-human animal.
[00011] Other objects, features, and advantages of the invention will be apparent upon consideration of the following detailed description taken in conjunction with the accompanying drawings.
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
[00012] Fig. 1 shows effects of CNA and CLA on LPL activity (A), glycerol release (B), cellular triacylglycerol (C), and cellular glycerol (D) in 3T3-Ll adipocytes.
[00013] Fig. 2 shows effects of CNA on collagen-induced whole blood platelet aggregation of guinea pigs (mean ~ standard deviation, n = 5).
[00014] Fig. 3 shows effects of CNA on ADP-induced whole blood platelet aggregation of guinea pigs (mean ~ standard deviation, n = 5).
[00015] Fig. 4 shows effects of CNA on thromboxane B2 release in whole blood of guinea pigs stimulated by collagen (mean ~ standard deviation, n = 5).
[00016] Fig. 5 shows effects of CNA on ovine cyclooxygenase-1 activity (mean ~
standard deviation, n= 3).
_2_ [00017] Fig. 6 shows effects of CNA on ovine cyclooxygenase-2 activity (mean ~
standard deviation, n = 5).
standard deviation, n= 3).
_2_ [00017] Fig. 6 shows effects of CNA on ovine cyclooxygenase-2 activity (mean ~
standard deviation, n = 5).
[00018]. Fig. 7 depicts the inhibitory effects of CNA on lipopolysaccharide-stimulated macrophages.
DETAILED DESCRIPTION OF THE INVENTION
DETAILED DESCRIPTION OF THE INVENTION
[00019] The applicants here disclose biological activities of CNA related to the metabolism of body fat and arachidonic acid. In particular, CNA modulates adipocyte-associated LPL activity and controls body fat levels in human and non-human animals when administered in sufficient quantity. Further, CNA inhibits cyclooxygenase 1 (COX 1) activity and cyclooxygenase 2 (COX
2) activity as well as thromboxane B2 formation and platelet aggregation in the blood of human and non-human animals when administered in sufficient quantity.
2) activity as well as thromboxane B2 formation and platelet aggregation in the blood of human and non-human animals when administered in sufficient quantity.
[00020] CNA is a 19 carbon free fatty acid having a pair of conjugated double bonds. CNA
can be prepared by alkali isomerization of c10, cl3 nonadecadienoic acid (NA, commercially available from Nu-Chek Prep, Elysian, MN), using the method described for preparing CLA by Y. Park et al., Lipids 34 (1999) 235-241, incorporated herein by reference as if set forth in its entirety. CNA can also be prepared using the methods of Janssen, G., et al., "Location of Double Bonds in Polyenic Long-Chain Carboxylic Acids Containing a Conjugated Diene Unit,"
Biomedical and Environmental Mas Spectrometry 15:1-6 (1988) and Verhulst, A., et al., "Isolation of Polyunsaturated Long Chain Fatty Acids by Propionibacteria,"
Systematic and Applied Microbiology 9:12-15 (1987), each incorporated herein by reference as if set forth in its entirety. CNA isomers of interest for use in the method include tl l, c13 CNA
and c10, t12 CNA.
can be prepared by alkali isomerization of c10, cl3 nonadecadienoic acid (NA, commercially available from Nu-Chek Prep, Elysian, MN), using the method described for preparing CLA by Y. Park et al., Lipids 34 (1999) 235-241, incorporated herein by reference as if set forth in its entirety. CNA can also be prepared using the methods of Janssen, G., et al., "Location of Double Bonds in Polyenic Long-Chain Carboxylic Acids Containing a Conjugated Diene Unit,"
Biomedical and Environmental Mas Spectrometry 15:1-6 (1988) and Verhulst, A., et al., "Isolation of Polyunsaturated Long Chain Fatty Acids by Propionibacteria,"
Systematic and Applied Microbiology 9:12-15 (1987), each incorporated herein by reference as if set forth in its entirety. CNA isomers of interest for use in the method include tl l, c13 CNA
and c10, t12 CNA.
[00021] The treating agent comprises at least one of CNA and at least one CNA
derivative. A
CNA derivative is preferred over CNA itself as a component of edible and pharmaceutical compositions. A CNA derivative is preferably an ester, phospholipid or salt of CNA. Preferred esters are a glyceride, a methyl ester and an ethyl ester. Still more preferably, the preferred glyceride is a triglyceride, diglyceride, or monoglyceride of CNA. Methods for preparing triglycerides, diglycerides, monoglycerides, phospholipids and salts from free fatty acids are known in the art. A method of making triglycerides from fatty acids can be found in Jou~~~al of Gehe~al Chemistry, USSR, 34: 1918, 1964, incorporated by reference herein as if set forth in its entirety. Briefly in this method, methyl esters of fatty acids are mixed with triacetin and sodium methoxide. The mixture is heated in an oil bath at 80°C for five hours and fatty acid triglycerides are obtained. Alternatively, free CNA can be fed to an animal. The animal esterifies CNA and the esters (phospholipids, triglycerides, diglycerides and monoglycerides) can be extracted from the blood and separated using methods known in the art. Still another method for making CNA
in triglyceride form is the method used in connection with CLA in US Patent No. 6,177,580, incorporated herein by reference as if set forth in its entirety. CNA
metabolites are structurally distinct from those of CLA.
derivative. A
CNA derivative is preferred over CNA itself as a component of edible and pharmaceutical compositions. A CNA derivative is preferably an ester, phospholipid or salt of CNA. Preferred esters are a glyceride, a methyl ester and an ethyl ester. Still more preferably, the preferred glyceride is a triglyceride, diglyceride, or monoglyceride of CNA. Methods for preparing triglycerides, diglycerides, monoglycerides, phospholipids and salts from free fatty acids are known in the art. A method of making triglycerides from fatty acids can be found in Jou~~~al of Gehe~al Chemistry, USSR, 34: 1918, 1964, incorporated by reference herein as if set forth in its entirety. Briefly in this method, methyl esters of fatty acids are mixed with triacetin and sodium methoxide. The mixture is heated in an oil bath at 80°C for five hours and fatty acid triglycerides are obtained. Alternatively, free CNA can be fed to an animal. The animal esterifies CNA and the esters (phospholipids, triglycerides, diglycerides and monoglycerides) can be extracted from the blood and separated using methods known in the art. Still another method for making CNA
in triglyceride form is the method used in connection with CLA in US Patent No. 6,177,580, incorporated herein by reference as if set forth in its entirety. CNA
metabolites are structurally distinct from those of CLA.
[00022] Examples of methods for preparing phospholipids from fatty acids are found in the following references, each of which is incorporated herein by reference as if set forth in its entirety: Babaev, et al., Mater. Vegs. Simp. (1981) Meeting Date 1980, 62-9;
Bilimoria, et al, J.
Chem. Soc. (1968) (12) 1404-12; Bonsen, et al., Chem. Phys. Lipids (1967) 1(2) 100-9; Isaacson, et al., Chem. Phys. Lipids (1990) 52(3-4) 217-26; Smith, et al., Tech. Life Sci., [Sect.]: Biochem.
(1982) 8406; and Zhu et al., Journal of Chemical Research, Synopses (1999)(8) 500-501.
Bilimoria, et al, J.
Chem. Soc. (1968) (12) 1404-12; Bonsen, et al., Chem. Phys. Lipids (1967) 1(2) 100-9; Isaacson, et al., Chem. Phys. Lipids (1990) 52(3-4) 217-26; Smith, et al., Tech. Life Sci., [Sect.]: Biochem.
(1982) 8406; and Zhu et al., Journal of Chemical Research, Synopses (1999)(8) 500-501.
[00023] CNA salts can be made using the method for making CLA salts described in U.S.
Patent No. 5,070,104, incorporated herein by reference as if set forth in its entirety, substituting CNA or derivative thereof for the CLA or derivative thereof in the patent.
Lithium salts are particularly preferred.
Patent No. 5,070,104, incorporated herein by reference as if set forth in its entirety, substituting CNA or derivative thereof for the CLA or derivative thereof in the patent.
Lithium salts are particularly preferred.
[00024] In one embodiment, the present invention is a method of inhibiting activity of LPL
associated with a cell. "LPL associated with a cell" is LPL located not inside but outside of the adipocyte cell. The method involves treating the cell with CNA, a CNA
derivative, or a combination of either of the foregoing in an amount effective to inhibit the associated lipoprotein lipase activity. When treating an in vit~~a cultured cell, the treating agent can be added into the culture medium to a total concentration of CNA and/or derivatives thereof in the range of from about 10 ~.M to about 1,000 g,M, preferably from about 30 ~.M to about 500 g,M, and most preferably from about 50 ~.M to about 150 ~M.
associated with a cell. "LPL associated with a cell" is LPL located not inside but outside of the adipocyte cell. The method involves treating the cell with CNA, a CNA
derivative, or a combination of either of the foregoing in an amount effective to inhibit the associated lipoprotein lipase activity. When treating an in vit~~a cultured cell, the treating agent can be added into the culture medium to a total concentration of CNA and/or derivatives thereof in the range of from about 10 ~.M to about 1,000 g,M, preferably from about 30 ~.M to about 500 g,M, and most preferably from about 50 ~.M to about 150 ~M.
[00025] When treating a cell in a human or non-human animal, an amount of the treating agent effective to achieve an object of the invention is administered into the animal by, e.g., feeding, intravenous injection, topical treatment on skin, or direct injection into adipose tissue. The treatment can be applied to organs, as well - particularly organs harvested for transplant and having elevated cyclooxygenase enzyme. For convenience, feeding is a preferred administration route. When fed, the total amount of CNA and/or derivatives thereof in the treating agent can range from about 0.0001% to about 5% by weight in diet, preferably from about 0.05% to about 1% by weight in diet, and most preferably from about 0.1% to about 0.5% by weight in diet. One of ordinary skill in the art can readily measure the total concentration of these agents in the blood when different diets listed above are fed and determine the corresponding dose of these agents for intravenous injection. When administered directly into the adipose tissue, the concentration , of these agents in the injection solution are the same as the concentration in the culture medium described above.
[00026] In another embodiment, the present invention is a method of controlling body fat in a human or non-human animal. Body fat control means is achieved when at least one of the following three effects is observed: the body fat level is reduced in the animal to a level lower than that just before CNA treatment; the body fat level is maintained in the animal at a level substantially the same as that just before CNA treatment wherein the body fat level was increasing before CNA treatment; and body fat level remains lower in the animal than it would have been without CNA treatment. The method involves administering CNA, a CNA
derivative or a combination thereof into the animal. The administration routes and doses are as described above for inhibiting LPL activity.
derivative or a combination thereof into the animal. The administration routes and doses are as described above for inhibiting LPL activity.
[00027] In still another embodiment, the present invention is method of treating a cell to inhibit cyclooxygenase activity in the cell. By cyclooxygenase activity, we mean the activity of cyclooxygenase-l, cyclooxygenase-2, ox both. The inhibition can arise by various means, including but not limited to altering the cyclooxygenase primary, secondary, tertiary or quaternary structure, by reducing or eliminating the cyclooxygenase, or by modifying transcription or translation of cyclooxygenase-encoding polynucleotides. The method involves treating the cell with CNA, a CNA derivative or a combination thereof. When treating an ivy vitro cultured cell, tissue or organ, the treating agent can be added into the culture medium to a total concentration of CNA and/or derivatives thereof in the range of from about 3 ~M to about 1,000 ~,M, preferably from about 5 ~.M to about 500 wM, and most preferably from about 10 p.M to about 300 pM.
[00028] When treating a cell of a human or non-human animal, an amount of the treating agent effective to aclueve an object of the invention is administered into the animal by, e.g., feeding, intravenous injection, topical treatment of skin, or direct injection into adipose tissue.
For convenience, feeding and topical administration are preferred administration routes when treating a cell in a human or non-human animal. Whether fed or injected intravenously, the total concentration of CNA and/or derivatives in the treating agent is adjusted such that after injection, the total concentration of CNA and/or derivatives in the blood ranges from 3 ~,M to about 1,000 ~M, preferably from about 5 ~,M to about 500 wM, and most preferably from about 10 ~,M to about 300 ~,M. Given the stated blood concentration ranges, one of ordinary skill in the art can readily determine the dose to be administered.
For convenience, feeding and topical administration are preferred administration routes when treating a cell in a human or non-human animal. Whether fed or injected intravenously, the total concentration of CNA and/or derivatives in the treating agent is adjusted such that after injection, the total concentration of CNA and/or derivatives in the blood ranges from 3 ~,M to about 1,000 ~M, preferably from about 5 ~,M to about 500 wM, and most preferably from about 10 ~,M to about 300 ~,M. Given the stated blood concentration ranges, one of ordinary skill in the art can readily determine the dose to be administered.
[00029] In yet another embodiment, the present invention is a method of inhibiting platelet aggregation, or preventing or treating a condition or disease related to platelet aggregation in a human or non-human animal. Examples of conditions or diseases related to platelet aggregation include but are not limited to arteriosclerosis, inflammation and stroke. The method involves administering CNA, a CNA derivative or a combination thereof into the animal.
Suitable administration routes and doses are as described above for inhibiting cyclooxygenase activity.
Suitable administration routes and doses are as described above for inhibiting cyclooxygenase activity.
[00030] In another embodiment, the present invention is an edible composition suitable for consumption by a human or non-human animal, particularly for use in the disclosed methods.
The composition contains CNA or a CNA derivative with an edible carrier of the type known to the art. The presence of the carrier should not unduly interfere with the activity of the CNA or CNA derivative in the methods of the invention. Thus, the carrier should not reduce the effect of the CNA or CNA derivative in a method by more than 20 percent. It is understood that if the carrier masks the activity in the methods, the amotmt of CNA or CNA derivative can be increased accordingly. It is understood that the edible compositions of the invention include foods having added thereto at least one of CNA and at least one CNA
derivative. Particularly advantageous foods include food products that contain fatty acids such as dairy products and nutritional supplements.
The composition contains CNA or a CNA derivative with an edible carrier of the type known to the art. The presence of the carrier should not unduly interfere with the activity of the CNA or CNA derivative in the methods of the invention. Thus, the carrier should not reduce the effect of the CNA or CNA derivative in a method by more than 20 percent. It is understood that if the carrier masks the activity in the methods, the amotmt of CNA or CNA derivative can be increased accordingly. It is understood that the edible compositions of the invention include foods having added thereto at least one of CNA and at least one CNA
derivative. Particularly advantageous foods include food products that contain fatty acids such as dairy products and nutritional supplements.
[00031] In another embodiment, the present invention is a pharmaceutical composition suitable for administration to a human or non-human animal, particularly fox use in the disclosed methods. The composition contains at least one of CNA or a CNA derivative with an pharmaceutical carrier of the type known to the art. The presence of the carrier should not unduly interfere with the activity of the CNA or CNA derivative in the methods of the invention.
Thus, the carrier should not reduce the effect of the CNA or CNA derivative in a method by more than 20 percent. It is understood that if the carrier masks the activity in the methods, the amount of CNA or CNA derivative can be increased accordingly.
Thus, the carrier should not reduce the effect of the CNA or CNA derivative in a method by more than 20 percent. It is understood that if the carrier masks the activity in the methods, the amount of CNA or CNA derivative can be increased accordingly.
[00032] One of ordinary skill in the art is familiar with edible and pharmaceutical formulations that are suitable for human and non-human animal use.
[00033] The invention will be more fully understood upon consideration of the following non-limiting examples.
EXAMPLE I
Effects of CNA and CLA on heparin-releasable LPL activity, glycerol release, cellular triacylglycerol, and cellular glycerol in 3T3-Ll adipocytes Materials and Methods [00034] CNA was synthesized from NA (purchased from Nu-Chek Corp., Elysian, MN), using the method described in Park, Y. et al., Lipids 34 (1999) 235-241 for producing CLA from linoleic acid; the CNA product synthesized contained 97.3% CNA (c10, t12, 33.4%; t1 l, c13, 32.9%; t10, t12/tI 1, t13, 23.4%; other isomers, 7.6%) with the remainder as unreacted NA. CLA
was synthesized as described by Park, et al., supra; the CLA product synthesized contained 97.8% CLA (c9, tl1/t9, c1 l, 45.7%; t10, c12, 47.6%; t9, tl1/t10, t12, 1.7%;
others, 2.8%) with the remainder as unreacted linoleic acid.
EXAMPLE I
Effects of CNA and CLA on heparin-releasable LPL activity, glycerol release, cellular triacylglycerol, and cellular glycerol in 3T3-Ll adipocytes Materials and Methods [00034] CNA was synthesized from NA (purchased from Nu-Chek Corp., Elysian, MN), using the method described in Park, Y. et al., Lipids 34 (1999) 235-241 for producing CLA from linoleic acid; the CNA product synthesized contained 97.3% CNA (c10, t12, 33.4%; t1 l, c13, 32.9%; t10, t12/tI 1, t13, 23.4%; other isomers, 7.6%) with the remainder as unreacted NA. CLA
was synthesized as described by Park, et al., supra; the CLA product synthesized contained 97.8% CLA (c9, tl1/t9, c1 l, 45.7%; t10, c12, 47.6%; t9, tl1/t10, t12, 1.7%;
others, 2.8%) with the remainder as unreacted linoleic acid.
[00035] Cultured cells were treated with fatty acid-albumin complexes for 2 days, beginning at day 6 post-differentiation. Data were analyzed as log value with a two-way ANOVA using fatty acid (as treatments) and experiment. If the interaction between treatment and experiment was significant, this interaction was used as the error term. Additional experimental details were as described in Park, et al., supra.
Results [00036] Treatment values indicate the concentration of test materials (p,M);
all treatment groups included albumin at 100 ~,M. Reported values are mean ~ S.E. (n = 8, collected from two independent experiments). Means with different letters are significantly different (P<0.05).
CNA inhibited LPL activity in cultured 3T3-L1 adipocytes (Fig. 1A). In addition, CNA
enhanced glycerol release (Fig. 1B) and reduced intracellular triacylglycerol (Fig. 1 C) and glycerol (Fig. 1D) in the same cells. In contrast, NA at 50 or 100 ~,M was ineffective.
Effects of CNA on body composition Materials and Methods [00037] Female ICR mice (4-week-old) and semi-purified diets (TD94060, 99%
basal mix) were purchased from Harlan Sprague Dawley (Madison, WI) and Harlan Telclad (Madison, WI), respectively. CLA was obtained from Natural Lipids Ltd AS, Hovdebygda, Norway;
its composition was 88.7% CLA (c9, t1 1/t9, c11, 41.9%; t10, c12, 43.5%; t9, t1 1/t10, t12, 1.5%;
others, 1.8%) with the remainder as oleic acid, 5.6%; palmitic acid, 1.4%; and linoleic acid, 0.5%. CNA was kindly provided by the US Food and Drug Administration; it was 98.6% CNA.
(c10, t12, 42.3%; t1 l, c13, 48.0%; t10, t12/tl l, t13, 5.1%; others, 3.2%) with the remainder as unreacted NA. CLA or CNA was added to diets at the expense of corn oil to maintain 5.5 % fat.
Diet was stored at -20°C until use. Mice were housed individually in a windowless room with a 12-h light-dark cycle in strict accordance to guidelines established by the Research Animal Resources Center of University of Wisconsin-Madison. Diet and water, available ad libitum, were freshly provided three times per week.
_7_ [00038] After a S day adaptation period, mice were randomly separated into 3 groups and fed control diet, diet supplemented with 0.3 % CLA, or diet supplemented with 0.3%
CNA for 2 weeks. 0.3% of diet CLA is a sub-optimal dose for CLA's effects on body composition.
Results [00039] Results are mean ~ S.E. (n=6). Means with different letters in each column are significantly different (P<0.01 for water and fat, and P<O.OS for empty carcass weight (ECW), protein and ash). .
Results [00036] Treatment values indicate the concentration of test materials (p,M);
all treatment groups included albumin at 100 ~,M. Reported values are mean ~ S.E. (n = 8, collected from two independent experiments). Means with different letters are significantly different (P<0.05).
CNA inhibited LPL activity in cultured 3T3-L1 adipocytes (Fig. 1A). In addition, CNA
enhanced glycerol release (Fig. 1B) and reduced intracellular triacylglycerol (Fig. 1 C) and glycerol (Fig. 1D) in the same cells. In contrast, NA at 50 or 100 ~,M was ineffective.
Effects of CNA on body composition Materials and Methods [00037] Female ICR mice (4-week-old) and semi-purified diets (TD94060, 99%
basal mix) were purchased from Harlan Sprague Dawley (Madison, WI) and Harlan Telclad (Madison, WI), respectively. CLA was obtained from Natural Lipids Ltd AS, Hovdebygda, Norway;
its composition was 88.7% CLA (c9, t1 1/t9, c11, 41.9%; t10, c12, 43.5%; t9, t1 1/t10, t12, 1.5%;
others, 1.8%) with the remainder as oleic acid, 5.6%; palmitic acid, 1.4%; and linoleic acid, 0.5%. CNA was kindly provided by the US Food and Drug Administration; it was 98.6% CNA.
(c10, t12, 42.3%; t1 l, c13, 48.0%; t10, t12/tl l, t13, 5.1%; others, 3.2%) with the remainder as unreacted NA. CLA or CNA was added to diets at the expense of corn oil to maintain 5.5 % fat.
Diet was stored at -20°C until use. Mice were housed individually in a windowless room with a 12-h light-dark cycle in strict accordance to guidelines established by the Research Animal Resources Center of University of Wisconsin-Madison. Diet and water, available ad libitum, were freshly provided three times per week.
_7_ [00038] After a S day adaptation period, mice were randomly separated into 3 groups and fed control diet, diet supplemented with 0.3 % CLA, or diet supplemented with 0.3%
CNA for 2 weeks. 0.3% of diet CLA is a sub-optimal dose for CLA's effects on body composition.
Results [00039] Results are mean ~ S.E. (n=6). Means with different letters in each column are significantly different (P<0.01 for water and fat, and P<O.OS for empty carcass weight (ECW), protein and ash). .
[00040] Table 1 shows that a CNA diet in mice reduced body fat mass gain and enhanced the amount of whole body water, protein and ash. Feeding mice with CLA diet caused similar but less dramatic changes.
[00041] The CLA and CNA groups also displayed reductions in body weight gain and feed intake relative to controls during the experimental period. Body weight gain per animal for controls, CLA and CNA groups were 2.S g, 1.3 g, 0.2 g, respectively; total feed intake per group for controls, CLA and CNA groups were 57.9 g, S 1.0 g, 47.1 g, respectively.
It has been repeatedly shown in CLA-feeding trials (see, e.g., Y. Park, et al., Lipids 34 (1999) 243-248) that these are transient effects that axe sometimes but not always seen, and are unrelated to the observed changes in body composition.
Table 1. Effects of CNA and CLA on body composition.
ECW (g) % Fat % Water % Protein % Ash Control 24.Sa ~ 0.7 20.00a ~ 2.28 S7.9a ~ 1.7 18.3Sa ~ 0.61 3.83a ~ O.1S
CLA 23.2ab ~ 0.6 14.98a ~ 2.08 S9.9a ~ 1.7 19.16a ~ 0.50 4.01 ab ~ 0.13 CAN 2I.8b -~- 0.4 3.90b ~ 0.44 66.2b ~ 0.4 20.79b ~ 0.24 4.42b ~ 0.12 Effects of CNA on platelet aggregation, thromboxane B2 level, PGE2 level, and COX-1 and COX-2 activity Materials and Methods [00042] Female guinea pigs and diets were purchased from Harlan Teklad (Madison, WI).
Whole Blood Aggregometer, collagen and ADP were purchased from Chrono-log Core.
(Havertown, PA). All ELISA kits were purchased from Cayman Chemical (Ann Arbor, MI).
_g_ [00043] Whole blood platelet aggregation: Guinea Pigs were anesthetized with a combination of ketamine (35 mg/kg) and xylazine (10 mg/kg) by subcutaneous administration.
Heparinized blood (20 unit/ml) was obtained by cardiac puncture. Within 5-10 minutes, the blood (1.0 ml) was preheated at 37°C and then incubated with free fatty acid or DMSO
(control) for 2 minutes.
Collagen (4 ~,g/ml) or ADP (10 ~M) was next added to the blood to start the platelet aggregation process. Platelet aggregation was measured using an Aggregometer.
It has been repeatedly shown in CLA-feeding trials (see, e.g., Y. Park, et al., Lipids 34 (1999) 243-248) that these are transient effects that axe sometimes but not always seen, and are unrelated to the observed changes in body composition.
Table 1. Effects of CNA and CLA on body composition.
ECW (g) % Fat % Water % Protein % Ash Control 24.Sa ~ 0.7 20.00a ~ 2.28 S7.9a ~ 1.7 18.3Sa ~ 0.61 3.83a ~ O.1S
CLA 23.2ab ~ 0.6 14.98a ~ 2.08 S9.9a ~ 1.7 19.16a ~ 0.50 4.01 ab ~ 0.13 CAN 2I.8b -~- 0.4 3.90b ~ 0.44 66.2b ~ 0.4 20.79b ~ 0.24 4.42b ~ 0.12 Effects of CNA on platelet aggregation, thromboxane B2 level, PGE2 level, and COX-1 and COX-2 activity Materials and Methods [00042] Female guinea pigs and diets were purchased from Harlan Teklad (Madison, WI).
Whole Blood Aggregometer, collagen and ADP were purchased from Chrono-log Core.
(Havertown, PA). All ELISA kits were purchased from Cayman Chemical (Ann Arbor, MI).
_g_ [00043] Whole blood platelet aggregation: Guinea Pigs were anesthetized with a combination of ketamine (35 mg/kg) and xylazine (10 mg/kg) by subcutaneous administration.
Heparinized blood (20 unit/ml) was obtained by cardiac puncture. Within 5-10 minutes, the blood (1.0 ml) was preheated at 37°C and then incubated with free fatty acid or DMSO
(control) for 2 minutes.
Collagen (4 ~,g/ml) or ADP (10 ~M) was next added to the blood to start the platelet aggregation process. Platelet aggregation was measured using an Aggregometer.
[00044] Determination of thrornboxane B2 level by ELISA: After the whole blood platelet aggregation, the collagen-stimulated blood was centrifuged for plasma and stored at -80°C. The plasma thromboxane level was determined by ELISA according to the manufacturer's instructions.
[00045] Inhibitory effects on ovine COX-l and COX-2: COX-1 or COX-2, heme and reaction buffer were pre-incubated under 37°C. CNA or DMSO (control) was added to the system and co-incubated for 5 minutes. Arachidonic acid was added and the reaction was maintained at 37°C for 2 minutes. The catalysis reaction was terminated by adding HCL. Total prostanoids were measured by ELISA according to manufacturer's instructions.
Results [00046] CNA inhibited the collagen- and ADP-stimulated platelet aggregation in a dose-dependent manner (Fig. 2 and Fig. 3). CNA also reduced thromboxane B2 level in collagen-stimulated blood in a dose-dependent manner (Fig. 4). In addition, CNA
inhibited pure ovine COX-1 and COX-2 in a dose-dependent manner (Fig. 5 and Fig. 6).
Results [00046] CNA inhibited the collagen- and ADP-stimulated platelet aggregation in a dose-dependent manner (Fig. 2 and Fig. 3). CNA also reduced thromboxane B2 level in collagen-stimulated blood in a dose-dependent manner (Fig. 4). In addition, CNA
inhibited pure ovine COX-1 and COX-2 in a dose-dependent manner (Fig. 5 and Fig. 6).
[00047] As a further indication of the ability of CNA to inhibit COX enzymes, Fig. 7 depicts the inhibition of PGE2 released from stimulated macrophages in the presence of varying amounts of CNA. Confluent macrophages were incubated with CNA or linoleic acid (LA;
control) at the concentrations shown for 24 hours in 0.5% fetal bovine serum then were stimulated with 100 ng/ml lipopolysaccharide (LPS) for 8 hours. The level of PGE2 in the medium was determined by ELISA assay. Fig. 7 shows substantial inhibition to less than 1000 pg/ml from a level of about 3000 pg/ml in LPS-stimulated macrophages without CNA.
control) at the concentrations shown for 24 hours in 0.5% fetal bovine serum then were stimulated with 100 ng/ml lipopolysaccharide (LPS) for 8 hours. The level of PGE2 in the medium was determined by ELISA assay. Fig. 7 shows substantial inhibition to less than 1000 pg/ml from a level of about 3000 pg/ml in LPS-stimulated macrophages without CNA.
[00048] The present invention is not intended to be limited to the foregoing examples, but encompasses all such modifications and variations as come within the scope of the appended claims.
_9_
_9_
Claims (42)
1. A method for modulating lipoprotein lipase activity associated with a cell, the method comprising the step of:
administering to the cell a composition that comprises at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative in an amount sufficient to modulate the lipoprotein lipase activity.
administering to the cell a composition that comprises at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative in an amount sufficient to modulate the lipoprotein lipase activity.
2. The method of claim 1 wherein the cell is an in vitro cultured cell.
3. The method of claim 1 wherein the cell is in a human or non-human animal.
4. The method of claim 1 wherein the at least one CNA derivative is selected from the group consisting of an ester of CNA, a phospholipid of CNA and a salt of CNA.
5. The method of claim 4 wherein the ester of CNA is a glyceride.
6. The method of claim 5 wherein the glyceride is selected from the group consisting of a triglyceride of CNA, a diglyceride of CNA , and a monoglyceride of CNA.
7. A method for controlling body fat in a human or non-human animal, the method comprising the step of:
administering a composition that comprises at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA
derivative in an amount sufficient to control body fat in the animal.
administering a composition that comprises at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA
derivative in an amount sufficient to control body fat in the animal.
8. The method of claim 7 wherein the administering step comprises oral administration.
9. The method of claim 7 wherein the administering step comprises intravenous injection.
10. The method of claim 7 wherein the administering step comprises direct injection into adipose tissue.
11. The method of claim 7 wherein the administering step comprises topical treatment of skin.
12. The method of claim 7 wherein the at least one CNA derivative is selected from the group consisting of an ester of CNA, a phospholipid of CNA and a salt of CNA.
13. The method of claim 12 wherein the ester of CNA is a glyceride.
14. The method of claim 13 wherein the glyceride is selected from the group consisting of a triglyceride of CNA, a diglyceride of CNA, and a monoglyceride of CNA.
15. A method for inhibiting cyclooxygenase activity in a cell, the method comprising the step of:
administering to the cell a composition that comprises at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative in an amount sufficient to inhibit cyclooxygenase activity.
administering to the cell a composition that comprises at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative in an amount sufficient to inhibit cyclooxygenase activity.
16. The method of claim 15 wherein the cell is an in vitro cultured cell.
17. The method of claim 15 wherein the cell is in a human or non-human animal.
18. The method of claim 15 wherein the at least one CNA derivative is selected from the group consisting of an ester of CNA, a phospholipid of CNA and a salt of CNA.
19. The method of claim 18 wherein the ester of CNA is a glyceride.
20. The method of claim 19 wherein the glyceride is selected from the group consisting of a triglyceride of CNA, a diglyceride of CNA, and a monoglyceride of CNA.
21. A method for inhibiting platelet aggregation in a human or non-human animal, the method comprising the step of:
administering to the cell a composition that comprises at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative in an amount sufficient to inhibit platelet aggregation.
administering to the cell a composition that comprises at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative in an amount sufficient to inhibit platelet aggregation.
22. The method of claim 21 wherein the administering step comprises oral administration.
23. The method of claim 21 wherein the administering step comprises intravenous injection.
24. The method of claim 21 wherein the administering step comprises topical treatment of skin.
25. The method of claim 21 wherein the at least one CNA derivative is selected from the group consisting of an ester of CNA, a phospholipid of CNA and a salt of CNA.
26. The method of claim 25 wherein the ester of CNA is a glyceride.
27. The method of claim 26 wherein the glyceride is selected from the group consisting of a triglyceride of CNA, a diglyceride of CNA, and a monoglyceride of CNA.
28. A method for preventing or treating a condition or disease related to platelet aggregation in a human or non-human animal, the method comprising the step of:
administering to the cell a composition that comprises at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative in an amount sufficient to prevent or treat the condition or disease.
administering to the cell a composition that comprises at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative in an amount sufficient to prevent or treat the condition or disease.
29. The method of claim 28 wherein the administering step comprises oral administration.
30. The method of claim 28 wherein the administering step comprises intravenous injection.
31. The method of claim 28 wherein the administering step comprises topical treatment of skin.
32. The method of claim 28 wherein the at least one CNA derivative is selected from the group consisting of an ester of CNA, a phospholipid of CNA and a salt of CNA.
33. The method of claim 32 wherein the ester of CNA is a glyceride.
34. The method of claim 33 wherein the glyceride is selected from the group consisting of a triglyceride of CNA, a diglyceride of CNA, and a monoglyceride of CNA.
35. A composition comprising:
at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative; and an edible carrier.
at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative; and an edible carrier.
36. The composition of claim 35 wherein the at least one CNA derivative is selected from the group consisting of an ester of CNA, a phospholipid of CNA and a salt of CNA.
37. The composition of claim 36 wherein the ester of CNA is a glyceride.
38. The composition of claim 37 wherein the glyceride is selected from the group consisting of a triglyceride of CNA, a diglyceride of CNA, and a monoglyceride of CNA.
39. A composition comprising:
at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative; and a pharmaceutical carrier.
at least one treating agent selected from the group consisting of a conjugated nonadecadienoic acid (CNA) and at least one CNA derivative; and a pharmaceutical carrier.
40. The composition of claim 39 wherein the at least one CNA derivative is selected from the group consisting of an ester of CNA, a phospholipid of CNA and a salt of CNA.
41. The composition of claim 40 wherein the ester of CNA is a glyceride.
42. The composition of claim 41 wherein the glyceride is selected from the group consisting of a triglyceride of CNA, a diglyceride of CNA, and a monoglyceride of CNA.
Applications Claiming Priority (5)
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US60/294,908 | 2001-05-31 | ||
US36224802P | 2002-03-06 | 2002-03-06 | |
US60/362,248 | 2002-03-06 | ||
PCT/US2002/017167 WO2002096200A1 (en) | 2001-05-31 | 2002-05-31 | Conjugated nonadecadienoic acid compositions |
Publications (1)
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CA2448241A1 true CA2448241A1 (en) | 2002-12-05 |
Family
ID=26968808
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CA002448241A Abandoned CA2448241A1 (en) | 2001-05-31 | 2002-05-31 | Conjugated nonadecadienoic acid compositions |
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US (1) | US6908946B2 (en) |
EP (1) | EP1397041A4 (en) |
CA (1) | CA2448241A1 (en) |
WO (1) | WO2002096200A1 (en) |
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US20070141220A1 (en) * | 2003-11-28 | 2007-06-21 | Onbio Corporation | Composition enriched in diglyceride with conjugated linoleic acid |
US7145385B2 (en) | 2003-12-05 | 2006-12-05 | Telefonaktiebolaget Lm Ericsson (Publ) | Single chip power amplifier and envelope modulator |
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JPS5965012A (en) * | 1982-10-07 | 1984-04-13 | Teijin Ltd | Antiblood platelet agent containing fatty acid derivative as active constituent |
US5856149A (en) * | 1995-06-01 | 1999-01-05 | Wisconsin Alumni Research Foundation | Method of producing conjugated fatty acids |
ATE194387T1 (en) * | 1995-11-14 | 2000-07-15 | Loders Croklaan Bv | PROCESS FOR THE PREPARATION OF SUBSTANCES WITH A HIGH CONTENT OF ISOMERS OF CONJUGATED LINOEIC ACID |
GB9618420D0 (en) | 1996-09-04 | 1996-10-16 | Scotia Holdings Plc | Fatty acid treatment |
US5855917A (en) * | 1996-12-04 | 1999-01-05 | Wisconsin Alumni Research Foundation | Method for controlling body fat and/or body weight in animals and pharmaceutical compositions for use therein comprising 20-carbon conjugated unsaturated fatty acids |
US5885594A (en) * | 1997-03-27 | 1999-03-23 | The Procter & Gamble Company | Oral compositions having enhanced mouth-feel |
US6042869A (en) * | 1998-02-20 | 2000-03-28 | Natural Nutrition Ltd. | Bulk animal feeds containing conjugated linoleic acid |
WO2000009118A1 (en) * | 1998-08-13 | 2000-02-24 | The Wistar Institute | Methods for reducing atherosclerotic plaques |
US6316645B1 (en) * | 1998-10-20 | 2001-11-13 | Wisconsin Alumni Research Foundation | Synthesis of conjugated polyunsaturated fatty acids |
GB9828379D0 (en) * | 1998-12-22 | 1999-02-17 | Unilever Plc | Skin care composition |
US6541517B1 (en) * | 1999-09-03 | 2003-04-01 | Donald M. Murphy | Treatment of skin disorders |
CN1665566A (en) * | 2000-09-21 | 2005-09-07 | 营养21公司 | Methods and compositions for the treatment of diabetes, the reduction of body fat, improvement of insulin sensitivity, reduction of hyperglycemia, and reduction of hypercholesterolemia with chromium c |
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2002
- 2002-05-31 WO PCT/US2002/017167 patent/WO2002096200A1/en not_active Application Discontinuation
- 2002-05-31 US US10/161,476 patent/US6908946B2/en not_active Expired - Lifetime
- 2002-05-31 CA CA002448241A patent/CA2448241A1/en not_active Abandoned
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WO2002096200A1 (en) | 2002-12-05 |
US20030008845A1 (en) | 2003-01-09 |
EP1397041A1 (en) | 2004-03-17 |
EP1397041A4 (en) | 2004-11-17 |
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