Connective tissue growth factor in the ovarian paracrine system

The endocrine actions of follicle stimulating hormone and luteinising hormone on ovarian cells are transduced by locally produced paracrine factors that regulate the formation of extracellular matrix, proteolytic enzymes and protease inhibitors, which continuously remodel the parenchymal environment...

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Bibliographic Details
Published in:Molecular and cellular endocrinology 2002-02, Vol.187 (1), p.23-27
Main Authors: Harlow, C.R., Hillier, Stephen G.
Format: Article
Language:English
Subjects:
Animals
Connective Tissue Growth Factor
Extracellular matrix
Female
Folliculogenesis
Gene Expression Regulation
Gonadotrophins
Granulosa Cells - metabolism
Humans
Immediate-Early Proteins - genetics
Immediate-Early Proteins - metabolism
Immediate-Early Proteins - physiology
Intercellular Signaling Peptides and Proteins - genetics
Intercellular Signaling Peptides and Proteins - metabolism
Intercellular Signaling Peptides and Proteins - physiology
Luteinisation
Ovary - cytology
Ovary - growth & development
Ovary - metabolism
Ovulation
Paracrine Communication - physiology
Rats
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Summary:The endocrine actions of follicle stimulating hormone and luteinising hormone on ovarian cells are transduced by locally produced paracrine factors that regulate the formation of extracellular matrix, proteolytic enzymes and protease inhibitors, which continuously remodel the parenchymal environment in which follicles develop. We recently identified connective tissue growth factor (CTGF) as a gene expressed during the predifferentiated stage of granulosa cell development in rat ovary. The CTGF gene encodes a protein that is implicated in the regulation of connective tissue synthesis, mototaxis, angiogenesis and cellular interaction with ECM at various sites in the body. Stimulation of granulosa cells by FSH in vitro and in vivo induces follicular maturation associated with down-regulation of granulosa cell CTGF mRNA expression. The gene remains expressed in cells of the innermost (antrally located) granulosa compartment up to and after the point of ovulation. Based on the inferred biological properties of CTGF protein and the spatiotemporal pattern of CTGF mRNA expression in the ovary, we postulate roles for ovarian CTGF during early stages of follicular development and after ovulation in the formation of the corpus luteum.
ISSN:0303-7207
1872-8057
DOI:10.1016/S0303-7207(01)00702-X