Journal
JOURNAL OF STEROID BIOCHEMISTRY AND MOLECULAR BIOLOGY
Volume 224, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsbmb.2022.106177
Keywords
Progesterone; Pregnancy; Parturition; Progesterone withdrawal
Funding
- DNIH/NICHD [HD097279, HD103676]
- March of Dimes Prematurity Research Center Ohio Collaborative
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Progesterone plays a crucial role in the establishment and maintenance of pregnancy through its interaction with progesterone receptors in uterine cells. The progesterone/progesterone receptor signaling pathway maintains pregnancy by promoting uterine quiescence and inhibiting labor contractions. The timely withdrawal of the progesterone/progesterone receptor block is essential for successful delivery.
The steroid hormone progesterone (P4), acting via the nuclear P4 receptors (PRs) in uterine cells, is essential for the establishment and maintenance of pregnancy. P4/PR signaling maintains pregnancy by promoting uterine quiescence and blocking the contractions of labor. Withdrawal of the P4/PR block to labor induces parturition. The success of pregnancy requires the timely birth of a mature neonate to a healthy mother, and to this end, the mechanism by which the P4/PR block is withdrawn, and how that process is physiologically controlled is critical. This review examines current understanding of cell and molecular biology of P4/PR withdrawal in the control of parturition.
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