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Human Reproduction, Vol 12, 523-531, Copyright © 1997 by Oxford University Press

ARTICLES

A simplified serum-free method for preparation and cultivation of human granulosa-luteal cells

Y Figenschau, JA Sundsfjord, MI Yousef, OM Fuskevag, B Sveinbjornsson and K Bertheussen
Department of Obstetrics and Gynaecology, University Hospital of Tromso, Norway.

A simplified method for the preparation and long-term cultivation of granulosa-luteal cells in serum-free medium is described. The cells were harvested from women undergoing in-vitro fertilization, enriched by sedimentation and dissociated by enzymatic treatment. We demonstrated, by introducing a synthetic serum replacement (SSR2), that these primary cell cultures cultivated in monolayers on an extracellular matrix may be used in experiments exceeding 7 days with low cell loss and cell death. No adverse effect on progesterone production was found. There was a high diversity in progesterone production between cells from individual patients. After several days in culture, the cells were challenged with human chorionic gonadotrophin which revived the rapidly decreasing progesterone production. We were unable to demonstrate an increase in cell number after 7 days of cultivation when the cells were grown in medium supplemented with either serum or SSR2. The mitogens epidermal growth factor and basic fibroblast growth factor had no influence on proliferation. We also found that the present method prevents leukocyte contamination in the granulosa-luteal cell cultures. Compared with the common method based on the enrichment of granulosa-luteal cells on a density gradient (Ficoll/Percoll), this method saves time, labour and expense, in addition to augmenting purity.
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