Abstract
In this study, we aimed at the in vitro effects of anti-fibroblast growth factor-2 (anti-FGF-2 or anti-bFGF) on embryo culture in rats. In vitro effects of anti-bFGF on total embryonic development were investigated in 40 rat embryos (which were divided into four groups) (obtained from five pregnant females) at 9.5 days of gestation that were cultured in whole rat serum (WRS), and in WRS+ 2.5, 5, and 10 microg/ml anti-bFGF. After 48 h of culturing, the embryos from each group were harvested to be analysed morphologically according to a morphological scoring system and biochemically to obtain the embryo protein content. The morphological score, embryo protein content, somite number and crown-rump length of embryos indicated that embryos cultured in WRS+ anti-bFGF had significant embryonic retardation. Mean morphological scores for the embryos grown in WRS, in the presence of 2.5, 5 and 10 microg anti-FGF-2 were 61.4 +/- 1.64, 46.3 +/- 8.42, 27 +/- 2.58 and 13.6 +/- 0.96 respectively. These results suggest that bFGF is very important for normal embryonic development and rat anti-bFGF neutralizes bFGF effect.
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