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. 1979 May 15;35(5):689-90.
doi: 10.1007/BF01960401.

Cell proliferation in the rat pituitary gland: a mechanism of control in prolactin cells

Cell proliferation in the rat pituitary gland: a mechanism of control in prolactin cells

L E Kalbermann et al. Experientia. .

Abstract

We investigated the relationship between prolactin content and DNA replication in the anterior pituitary gland. Thymidine incorporation in pregnant rats is significantly lower than in virgin controls. This is accompanied by a decreased activity of DNA polymerase. Sulpiride administration to pregnant rats enhances thymidine incorporation to levels similar to virgin controls. The results indicate a negative feedback between prolactin content and DNA synthesis in the rat anterior pituitary gland.

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