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Reproductive Sciences

, Volume 19, Issue 3, pp 271–281 | Cite as

Interleukin 1β Regulates Progesterone Metabolism in Human Cervical Fibroblasts

  • Amy E. Roberson
  • Kimberly Hyatt
  • Christy Kenkel
  • Krista Hanson
  • Dean A. MyersEmail author
Original Articles

Abstract

Progesterone plays a critical role in regulating cervical structure necessary for pregnancy maintenance. Preterm labor and early cervical ripening are often associated with localized infection. We hypothesized that proinflammatory cytokines enhance progesterone metabolism in human cervical fibroblasts (HCFs) in vitro, through the regulation of the expression of 20α-hydroxysteroid dehydrogenases (aldo-keto reductase [AKR]1C1, AKR1C2, or AKR1C3), 5α-reductase type 1 (5α-RDT1), and/or 17β-hydroxysteroid dehyrogenases (17β-HSD) type 1 and 2. The expression of both progesterone receptor (PR) and estrogen receptor α (ERα) was also studied. Human cervical fibroblasts were found to express AKR1C1, C2, and C3, with AKR1C1 exhibiting the greatest expression. These cells also expressed 5α-RDT1 and 17β-HSD1 and 2, albeit to a lesser level compared to the aldo-keto reductases. The fibroblasts also expressed both PR and ERα. Interleukin 1β (IL-1β) significantly increased the expression of AKR1C1 and C2 but not C3 but did not alter 5α-RDT1 nor 17β-HSD1 or 2 expression. Interleukin 1β treatment significantly increased progesterone metabolism by these cells. Use of specific inhibitors for aldo-keto reductases or 5α reductases confirmed that the increased progesterone metabolism was a consequence of the increased expression and/or activity of AKR1C1/2. Our results indicate that a major proinflammatory cytokine, IL-1β, can facilitate local progesterone metabolism in a cell type critical for maintaining cervical structure via regulating expression of AKR1C1 and 2.

Keywords

cervical fibroblasts progesterone interleukin 1β aldo-keto reductase AKR1C. 

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Copyright information

© Society for Reproductive Investigation 2012

Authors and Affiliations

  • Amy E. Roberson
    • 1
  • Kimberly Hyatt
    • 2
  • Christy Kenkel
    • 2
  • Krista Hanson
    • 2
  • Dean A. Myers
    • 1
    • 2
    Email author
  1. 1.Department of Cell BiologyUniversity of Oklahoma Health Sciences CenterOklahoma CityUSA
  2. 2.Department of Obstetrics and Gynecology, Suite 468 RP1University of Oklahoma Health Sciences CenterOklahoma CityUSA

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