Nucleic Acids Research, 1988, Vol. 16, No. 7 2805-2824
© 1988
Articles |
The regulatory region of the human plasminogen activator inhibitor type-1 (PAI-1) gene
1International Institute of Genetics and Biophysics, CNR via Marconi, 10, 80125 Napoli, Italy 2Institute of Microbiology, University of Copenhagen Øster Farimagsgade 2A, 1353 Copenhagen K 3Finsen Laboratory, Rigshospitalet Strandboulevarden 49, 2100 Copenhagen Ø 4Institute of Biochemistry C, University of Copenhagen Blegdamsvej 3C, 2200 Copenhagen, Denmark
*To whom corresponence should be addressed
Received January 12, 1988. Revised March 8, 1988. Accepted March 8, 1988.
The human gene for plasminogen activator inhibitor type-1 (PAI-1) has been isolated and its promoter region characterized. PAI-1 regulation by glucocortiooids, transforming growth factor-ß (TGF-ß) and the phorbol ester PMA is shown to be exerted at the promoter level. A fragment spanning 805 nuclectides of the 5' flanking and 72 of the 5' untraslated region contain information enough to promote transcription and to respond to glucocorticoids when fused to a reporter gene and transfected into human fibrosarccma cells. A moderately repectitive DNA sequence, containing a TATA box, a GRE consensus, a Z-DNA forming sequence and two imperfect direct repeats at the extremities, is present a few nucleotides 5' of the human PAI-1 gene transcription start site, raising the possiblity that this gene could have been activated by DNA insertion during evolution.
+On leave from Department of Pediatrics, 2nd Medical School, University of Napoli, via Pansini 5, 80131 Napoli, Italy
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