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A cluster of hematopoietic serine protease genes is found on the same chromosomal band as the human. alpha. /. delta. T-cell receptor locus

Journal Article · · Proceedings of the National Academy of Sciences of the United States of America; (USA)
; ;  [1];  [2]
  1. Jewish Hospital at Washington Univ. Medical Center, St. Louis, MO (USA)
  2. National Cancer Institute, Bethesda, MD (USA)
The chymotrypsin-like family of serine protease genes includes several members that are expressed exclusively in subsets of hematopoietic cells. For example, human neutrophil elastase and cathepsin G are expressed only in myelomonocytic precursors, and cytotoxic-T-cell serine proteases are found only in cytotoxic lymphocytes. The authors have used a cathepsin G cDNA probe to clone two cathepsin G-like genes (designated CGL-1 and CGL-2) from a human genomic library. They have determined that CGL-1 is identical to a previously identified gene (known as CCPI, CTLA I, or cytotoxic serine protease B) that is expressed only in activated cytotoxic T lymphocytes. They show here that cathepsin G, CGL-1, and CGL-2 are linked on an {approx}50-kilobase locus found on human chromosome 14 at band q11.2. This gene cluster maps to the same chromosomal band as the {alpha} and {delta} T-cell receptor genes; this region is involved in most chromosomal translocations and inversions that are specifically associated with T-cell malignancies.
OSTI ID:
7064235
Journal Information:
Proceedings of the National Academy of Sciences of the United States of America; (USA), Journal Name: Proceedings of the National Academy of Sciences of the United States of America; (USA) Vol. 87:3; ISSN 0027-8424; ISSN PNASA
Country of Publication:
United States
Language:
English