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The present invention provides a method for diagnosing BS as well as determining whether a subject is a carrier of a mutated BLM gene. The present invention also provides one or more single-stranded nucleic acid probes and antibodies which may be formulated in kits, and used for diagnosing BS or determining whether a subject is a carrier of a mutated BLM gene. In addition, the present invention provides a method for treating or preventing the onset of BS in a subject in need of such treatment or prevention, as well as vectors and stem cells useful for such treatment or prevention. The present invention also provides a purified and isolated nucleic acid encoding an enzymatically active BLM protein, a vector comprising this nucleic acid, a cell stably transformed with this vector, as well as a method for producing recombinant, enzymatically active BLM protein. A purified, enzymatically active BLM protein is also provided by the present invention. Finally, the present invention...

InventorsNathan Ellis, James German, Joanna Groden
Original AssigneeNew York Blood Center, Inc.
Primary Examiner: Kathleen Kerr
Current U.S. Classification435/195
International Classification: C12N 914

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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US6838240Jan 2, 2001Jan 4, 2005New York Blood Center, Inc.
University of Cincinnati
Methods for diagnosis and treatment of Bloom's syndrome

Claims

1. An isolated protein having the amino acid sequence of SEQ ID NO: 78.

2. An isolated gene product encoded by a nucleic acid containing at least one mutation that results in expression of said gene product in a Bloom's syndrome patient, said nucleic acid corresponding to a mutated form of nucleic acid encoding the amino acid sequence contained in SEQ ID NO: 78, wherein said mutation is characterized by: (i) a deletion of nucleotides 631-633 of SEQ ID NO: 72; (ii) a substitution of A with T at nucleotide 888 of SEQ ID NO: 72; (iii) an insertion of A after nucleotide 1610 of SEQ ID NO: 72; (iv) a substitution of A with G at nucleotide 2089 of SEQ ID NO: 72; (v) a replacement of nucleotides ATCTGA at position 2281-2286 of SEQ ID NO: 72 with nucleotides TAGATTC; (vi) a substitution of T with C at nucleotide 2596 of SEQ ID NO: 72; or (vii) a substitution of G with C at nucleotide 3238 of SEQ ID NO: 72.

3. The gene product of claim 2, wherein said mutation is characterized by a deletion of nucleotides 631-633 of SEQ ID NO: 72.

4. The gene product of claim 2, wherein said mutation is characterized by a substitution of A with T at nucleotide 888 of SEQ ID NO: 72.

5. The gene product of claim 2, wherein said mutation is characterized by an insertion of A after nucleotide 1610 of SEQ ID NO: 72.

6. The gene product of claim 2, wherein said mutation is characterized by a substitution of A with G at nucleotide 2089 of SEQ ID NO: 72.

7. The gene product of claim 2, wherein said mutation is characterized by a replacement of nucleotides ATCTGA at position 2281-2286 of SEQ ID NO: 72 with nucleotides TAGATTC.

8. The gene product of claim 2, wherein said mutation is characterized by a substitution of T with C at nucleotide 2596 of SEQ ID NO: 72.

9. The gene product of claim 2, wherein said mutation is characterized by a substitution of G with C at nucleotide 3238 of SEQ ID NO: 72.