Hormonal Regulation of Non-cystic Fibrosis Transmembrane Conductance Regulator Ion Channels in the Endocervix

Overview

Journal F S Sci

Specialty Reproductive Medicine

Date 2023 Mar 12

PMID 36907435

Authors

Mackenzie Roberts

Shan Yao

Shuhao Wei

Jeffrey T Jensen

Leo Han

Affiliations

Soon will be listed here.

Abstract

Objective: To characterize ion channel expression and localization in the endocervix under different hormonal conditions using a nonhuman primate primary endocervical epithelial cell model.

Design: Experimental.

Setting: University-based, translational science laboratory.

Interventions: We cultured and treated conditionally reprogrammed primary rhesus macaque endocervix cells with estradiol and progesterone and measured gene expression changes for several known ion channel and ion channel regulators of mucus secreting epithelia. Using both rhesus macaque endocervical samples and human samples, we localized channels in the endocervix using immunohistochemistry.

Main Outcome Measures: The relative abundance of transcripts was evaluated using real-time polymerase chain reaction. Immunostaining results were evaluated qualitatively.

Results: Compared with controls, we found that estradiol increased gene expression for ANO6, NKCC1, CLCA1, and PDE4D. Progesterone down-regulated gene expression for ANO6, SCNN1A, SCNN1B, NKCC1, and PDE4D (P≤.05). Immunohistochemistry confirmed endocervical cell membrane localization of ANO1, ANO6, KCNN4, LRR8CA, and NKCC1.

Conclusions: We found several ion channels and ion channel regulators that are hormonally sensitive in the endocervix. These channels, therefore, may play a role in the cyclic fertility changes in the endocervix and could be further investigated as targets for future fertility and contraceptive studies.

Citing Articles

Reversible female contraceptives: historical, current, and future perspectives†.

Barton B, Erickson J, Allred S, Jeffries J, Stephens K, Hunter M Biol Reprod. 2023; 110(1):14-32.

PMID: 37941453 PMC: 10790348. DOI: 10.1093/biolre/ioad154.

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