期刊
REPRODUCTIVE SCIENCES
卷 15, 期 3, 页码 285-294出版社
SAGE PUBLICATIONS INC
DOI: 10.1177/1933719108314626
关键词
HELLP syndrome; differential gene expression profiling; suppression subtractive hybridization; SSH; gene ontology
The aim of this study was to identify differentially expressed genes by suppression subtractive hybridization (SSH) in HELLP placentas. Two cDNA libraries were constructed; HSI (HELLP subtracted induced or upregulated) and HSS (HELLP subtracted suppressed or downregulated). Two hundred eighty-eight cDNA clones were sequenced; 37 were matched to GenBank entries and included genes in cell communication and organization, cellular processes, genetic information processing, and metabolic processes. A subgroup of 11 genes of interest was further selected for real-time quantitative polymerase chain reaction confirmation. Results showed no differences in expression of chosen upregulated genes between HELLP and non-HELLP placentas; 6 HELLP downregulated genes were significantly suppressed. Two genes related to production Of secreted proteins, CTHRC1 and SERPINE2. SERPINE2 (PAI-1) is a soluble protease inhibitor and is a potential biomarker by Western blot analysis, and the protein is significantly decreased in HELLP placentas. SERPINE2 might be tested clinically in patients for early diagnosis of HELLP syndrome.
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