Identification of Progesterone Receptor in Human Subcutaneous Adipose Tissue

  • O’Brien S
  • Welter B
  • Mantzke K
  • et al.
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Abstract

Sex steroids are postulated to play a role in adipose tissue regulation and distribution, because the amount and location of adipose tissue changes during puberty and menopause. Because of the nature of adipose tissue, receptors for the female sex steroids have been difficult to demonstrate. To date, estrogen receptor messenger RNA and protein have been identified in human subcutaneous adipose tissue, but the presence of progesterone receptor (PR) has not been reported. In this study, we demonstrate PR message by Northern blot analysis in RNA isolated from the abdominal subcutaneous adipose tissue of premenopausal women. These preliminary studies revealed that PR messenger RNA levels are higher in the stromal-vascular fraction as opposed to the adipocyte fraction. Western blot analysis demonstrates both PR protein isoforms (human PR-A and human PR-B) in human subcutaneous adipose tissue. Using an enzyme-linked immunosorbent assay, total PR could be quantitated. These studies substantiate that sex steroid receptors are present in human adipose tissue, thereby providing a direct route for regulation of adipose tissue by female sex steroids.

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APA

O’Brien, S. N., Welter, B. H., Mantzke, K. A., & Price, T. M. (1998). Identification of Progesterone Receptor in Human Subcutaneous Adipose Tissue. The Journal of Clinical Endocrinology & Metabolism, 83(2), 509–513. https://doi.org/10.1210/jcem.83.2.4561

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