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A 12‐bp deletion in the 5'‐flanking region of the SERPINH1 gene affects promoter activity and protects against preterm premature rupture of membranes in African Americans
Author(s) -
Wang Hongyan,
Sammel Mary D.,
Tromp Gerard,
Gotsch Francesca,
Halder Indrani,
Shriver Mark D.,
Romero Roberto,
Strauss Jerome F.
Publication year - 2008
Publication title -
human mutation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.981
H-Index - 162
eISSN - 1098-1004
pISSN - 1059-7794
DOI - 10.1002/humu.9522
Subject(s) - biology , gene , promoter activity , 5' flanking region , promoter , genetics , microbiology and biotechnology , gene expression
We identified a novel 12‐bp deletion NT_033927.7: g.5495364_5495375del in the 5'‐flanking region of the SERPINH1 gene that increases promoter activity. The 12‐bp deletion is in linkage disequilibrium with the minor “T” allele of the ‐656 C/T SNP (NT_033927.7(SERPINH1):g.5495402C>T) that reduces promoter activity in amnion fibroblast cells and is associated with a significantly increased risk of preterm birth as a result of premature rupture of membranes. In a case‐control study, fetal carriage of the 12‐bp deletion was found to protect against PPROM, apparently overcoming the influence of the SERPINH1 ‐656 “T” allele. These studies define a new haplotype in the SERPINH1 gene that modifies risk of an adverse obstetrical outcome. © 2007 Wiley‐Liss, Inc.