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  • Title: Neurotrophic effects of fibroblast growth factors on peptide-containing neurons in culture from postnatal rat hypothalamus.
    Author: Ishikawa K, Ohe Y, Okutomi Y, Takeuchi T, Suzuki M.
    Journal: Neuroendocrinology; 1992 Feb; 55(2):193-8. PubMed ID: 1620287.
    Abstract:
    Basic fibroblast growth factor (bFGF) has been thought to act as a neurotrophic factor during early developmental stages in various brain regions, including the hypothalamus. In the present paper, we have studied the effect of bFGF on peptide-containing neurons cultured from the postnatal (1-3 days and 14 days after birth) rat hypothalamus. The addition of bFGF, or acid FGF (aFGF), to serum-free culture medium increased both survival and neurite growth of growth hormone-releasing factor (GRF)-containing neurons. The potency of bFGF was more than 10 times as great as that of aFGF. Insulin-like growth factor I (IGF-I) did not have any significant effect on the survival of GRF neurons. Further, neither IGF-I nor aFGF modified the survival-promoting effect of bFGF on GRF neurons. bFGF promoted the survival of somatostatin- and vasoactive intestinal polypeptide-containing neurons, too.
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