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The pituitary gland plays a central role in the interactions between the immune and neuroendocrine systems. The expression of receptors for interleukin-1 (IL-1), IL-2, and IL-6 and the intrinsic production of these ILs by pituitary cells have been described. Previous studies have focused on the way cytokines influence hormone secretion. We have determined(More)
The GH3 pituitary cell line has been used to investigate the role of the oestrogen receptor (ER) as a modulator of mitogenic signals in tumour cells in the absence of exogenous oestrogen. Using a chemically defined, serum- and oestrogen-free medium, we have demonstrated that the pure steroidal anti-oestrogens ICI 182780 and ICI 164384 are capable of(More)
In the absence of serum and estrogen, we show that the growth of the prolactin secreting pituitary tumour cell line, GH3 is stimulated by insulin and insulin-like growth factor-1 (IGF-1) and this response is blocked by the steroidal antiestrogens, ICI 164384 and ICI 182780. From conditioned medium (CM) experiments, growth of low density cells (10k/cm2) is(More)