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Release of immunoreactive TRH in serum-free cultures of mouse hypothalamic cells
Serum-free cultures of mouse hypothalamic cells were used as a model for studying TRH (thyroliberin) secretion in vitro. Supplementation of the culture medium with triiodothyronine, corticosterone and polyunsaturated fatty acids is necessary to obtain a substantial release capacity of TRH neurons. Under these conditions depolarization of the cells with 60 mM K+ results in a calcium-dependent release of immunoreactive TRH.
Serum-free cultures of mouse hypothalamic cells were used as a model for studying TRH (thyroliberin) secretion in vitro. Supplementation of the culture medium with triiodothyronine, corticosterone and polyunsaturated fatty acids is necessary to obtain a substantial release capacity of TRH neurons. Under these conditions depolarization of the cells with 60 mM K+ results in a calcium-dependent release of immunoreactive TRH.