期刊
MOLECULAR ENDOCRINOLOGY
卷 22, 期 5, 页码 1260-1273出版社
OXFORD UNIV PRESS INC
DOI: 10.1210/me.2007-0484
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资金
- NCRR NIH HHS [RR00163, K01 RR000163, P51 RR000163] Funding Source: Medline
- NICHD NIH HHS [R01 HD42000, T32 HD007133, R01 HD042000, U54 HD18185, U54 HD055744, R01 HD020869, U54 HD018185, HD007133, U54 HD55744, R01 HD20869] Funding Source: Medline
The molecular and cellular processes required for development, function, and regression of the primate corpus luteum ( CL) are poorly defined. We hypothesized that there are dynamic changes in gene expression occurring during the CL life span, which represent proteins and pathways critical to its regulation. Therefore, a genomic approach was utilized to systematically identify differentially expressed genes in the rhesus macaque CL during the luteal phase of natural menstrual cycles. CL were collected between d 3 - 5 ( early stage), d 7 - 8 ( mid), d 10 - 12 ( mid-late), d 14 - 16 ( late), or d 18 - 19 ( very-late) after the midcycle LH surge. From the early through very-late stages, 3234 transcripts were differentially expressed, with 879 occurring from the early through late stages that encompass the processes of luteinization, maintenance, and functional regression. To characterize gene changes most relevant to these processes, ontology analysis was performed using the list of 879 differentially expressed transcripts. Four main groups of related genes were identified with relevance to luteal physiology including: 1) immune function; 2) hormone and growth factor signaling; 3) steroidogenesis; and 4) prostaglandin biosynthesis, metabolism, and signaling. A subset of genes representing each of the four major categories was selected for validation of microarray results by quantitative real-time PCR. Results in mRNA levels were similar between the two methodologies for 17 of 18 genes. Additionally, protein levels for three genes were determined by Western blot analysis to parallel mRNA levels. This database will facilitate the identification of many novel or previously underappreciated pathways that regulate the structure and function of the primate CL.
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