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Endocrinology. 1996 Dec;137(12):5723-6.

Prolactin receptor expression during adipocyte differentiation of bone marrow stroma.

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  • 1Department of Medicine, Baylor College of Medicine, Houston, TX, USA.


To determine the role of the hormone prolactin and its receptor on the differentiation, growth, and metabolic activity of cells of bone marrow origin, prolactin receptor expression was assessed in bone marrow stromal cells. Using reverse transcription - polymerase chain reaction, BMS2 cells, a bone marrow stromal cell line, were shown to express prolactin receptors following adipocyte differentiation, using three different adipocyte-differentiation protocols. Primary bone marrow stromal cells also show a dose-dependent increase in prolactin receptor expression following treatment with adipogenic agonists. That prolactin receptor expression is inducible upon adipocyte differentiation was confirmed using a preadipocyte cell line 3T3 - L1. Further, prolactin receptor parallels lipoprotein lipase gene expression in 3T3-L1 cells. These results suggest that prolactin and its receptor may play a role in differentiation and/or metabolism of pre-adipocytes and adipocytes.

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