PMID- 33071640 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20240329 IS - 1445-5781 (Print) IS - 1447-0578 (Electronic) IS - 1445-5781 (Linking) VI - 19 IP - 4 DP - 2020 Oct TI - High stretch cycling inhibits the morphological and biological decidual process in human endometrial stromal cells. PG - 378-384 LID - 10.1002/rmb2.12341 [doi] AB - PURPOSE: Subendometrial myometrium exerts wave-like activity throughout the menstrual cycle, and uterine peristalsis is markedly reduced during the implantation phase. We hypothesized that abnormal uterine peristalsis has an adverse effect on the endometrial decidualization process. We conducted an in vitro culture experiment to investigate the effect of cyclic stretch on the morphological and biological endometrial decidual process. METHODS: Primary human endometrial stromal cells (HESCs) were isolated from hysterectomy specimens and incubated with or without 8-bromo-cyclic adenosine monophosphate (8-br-cAMP) and medroxyprogesterone acetate (MPA) for 3 days. After decidualization, cultures were continued for 24 hours with or without cyclic stretch using a computer-operated cell tension system. RESULTS: Cyclic stretch significantly repressed expression of decidual markers including insulin-like growth factor-binding protein 1 (IGFBP1), prolactin (PRL), forkhead box O1 (FOXO1), and WNT4 on decidualized HESCs. In addition, cyclic stretch of decidualized HESCs affected the decidual morphological phenotype to an elongated shape. The alternation of F-actin localization in decidualized HESCs was not observed in response to cyclic stretch. CONCLUSIONS: These data suggest that cyclic stretch inhibits the morphological and biological decidual process of HESCs. Our findings imply that uterine abnormal contractions during the implantation period impair endometrial decidualization and contribute to infertility. CI - (c) 2020 The Authors. Reproductive Medicine and Biology published by John Wiley & Sons Australia, Ltd on behalf of Japan Society for Reproductive Medicine. FAU - Saito, Ryohei AU - Saito R AD - Department of Obstetrics and Gynecology Saitama Medical University Iruma-gun Japan. FAU - Kajihara, Takeshi AU - Kajihara T AUID- ORCID: 0000-0002-4853-9297 AD - Department of Obstetrics and Gynecology Saitama Medical University Iruma-gun Japan. FAU - Takamura, Masashi AU - Takamura M AD - Department of Obstetrics and Gynecology Saitama Medical University Iruma-gun Japan. FAU - Tochigi, Hideno AU - Tochigi H AD - Department of Obstetrics and Gynecology Saitama Medical University Iruma-gun Japan. FAU - Sato, Tsuyoshi AU - Sato T AD - Department of Oral and Maxillofacial Surgery Saitama Medical University Iruma-gun Japan. FAU - Ishihara, Osamu AU - Ishihara O AD - Department of Obstetrics and Gynecology Saitama Medical University Iruma-gun Japan. LA - eng PT - Journal Article DEP - 20200720 PL - Japan TA - Reprod Med Biol JT - Reproductive medicine and biology JID - 101213278 PMC - PMC7542020 OTO - NOTNLM OT - cyclic stretch OT - endometrial decidualization OT - forkhead box O1 OT - insulin-like growth factor-binding protein 1 OT - prolactin COIS- Conflict of interest: The authors declare no conflict of interest. Human rights statement and informed consent: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institution and national) and with the Helsinki Declaration of 1964 and its later amendments. Informed consent was obtained from all patients included in the study. The Institutional Review Board of the Saitama Medical University Hospital approved this study. EDAT- 2020/10/20 06:00 MHDA- 2020/10/20 06:01 PMCR- 2020/07/20 CRDT- 2020/10/19 05:54 PHST- 2020/05/25 00:00 [received] PHST- 2020/06/20 00:00 [revised] PHST- 2020/07/02 00:00 [accepted] PHST- 2020/10/19 05:54 [entrez] PHST- 2020/10/20 06:00 [pubmed] PHST- 2020/10/20 06:01 [medline] PHST- 2020/07/20 00:00 [pmc-release] AID - RMB212341 [pii] AID - 10.1002/rmb2.12341 [doi] PST - epublish SO - Reprod Med Biol. 2020 Jul 20;19(4):378-384. doi: 10.1002/rmb2.12341. eCollection 2020 Oct.