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Proc Natl Acad Sci U S A. 1991 Oct 15;88(20):9253-6.

Wegener autoantigen and myeloblastin are encoded by a single mRNA.

Author information

  • 1Department of Physiology and Cellular Biophysics, Columbia University College of Physicians and Surgeons, New York, NY 10032.

Abstract

Myeloblastin is a serine protease that has been identified in the human leukemia cell line HL-60. Down-regulation of this protease can inhibit proliferation and induce differentiation of promyelocyte-like human leukemic cells. Proteinase 3, a serine protease of human neutrophils, has been identified as the Wegener autoantigen. A high level of homology between myeloblastin and proteinase 3 has suggested that they may be a single serine protease. We have recently completed the 5'-terminal nucleotide sequence of proteinase 3 and shown that its mRNA was also expressed in HL-60 cells and in cells from patients with acute myeloid leukemia. Here we demonstrate that myeloblastin and proteinase 3 are encoded by a single mRNA.

PMID:
1681549
[PubMed - indexed for MEDLINE]
PMCID:
PMC52692
Free PMC Article
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