American journal of reproductive immunology (New York, N.Y. : 1989) · 2004
Developing ovarian follicles inhibit the endotoxin-induced glomerular inflammatory reaction in pseudopregnant rats.
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Faas Marijke M, van der Schaaf Gerda, Moes Henk, Heineman Maas Jan, de Vos Paul
Аннотация
PROBLEM: We tested the hypothesis that developing ovarian follicles produce factors inhibiting the endotoxin induced inflammatory response.
METHOD OF STUDY: Pseudopregnant rats were treated with FSH to induced follicular development (FSH-rats). For control we used untreated pseudopregnant rats (PSP-rats) and rats in the follicular phase of the ovarian cycle (C-rats). All rats were infused with either saline or endotoxin. Three days after the infusion rats were sacrificed and kidney specimens were snapfrozen. Cryostat kidney sections were stained for the presence of monocytes, granulocytes, CD11a- and CD11b-positive cells and for ICAM-1 expression.
RESULTS: The results show that induction of follicular development in pseudopregnant rats inhibited glomerular infiltration of monocytes and CD11b(+) cells, while it did not affect the other parameters, i.e. glomerular granulocyte number, CD11a(+) cells and glomerular ICAM-1 expression.
CONCLUSION: Developing ovarian follicles produce factors inhibiting monocyte responses to endotoxin.
METHOD OF STUDY: Pseudopregnant rats were treated with FSH to induced follicular development (FSH-rats). For control we used untreated pseudopregnant rats (PSP-rats) and rats in the follicular phase of the ovarian cycle (C-rats). All rats were infused with either saline or endotoxin. Three days after the infusion rats were sacrificed and kidney specimens were snapfrozen. Cryostat kidney sections were stained for the presence of monocytes, granulocytes, CD11a- and CD11b-positive cells and for ICAM-1 expression.
RESULTS: The results show that induction of follicular development in pseudopregnant rats inhibited glomerular infiltration of monocytes and CD11b(+) cells, while it did not affect the other parameters, i.e. glomerular granulocyte number, CD11a(+) cells and glomerular ICAM-1 expression.
CONCLUSION: Developing ovarian follicles produce factors inhibiting monocyte responses to endotoxin.