{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,11]],"date-time":"2025-10-11T01:05:45Z","timestamp":1760144745601,"version":"build-2065373602"},"reference-count":42,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2024,5,21]],"date-time":"2024-05-21T00:00:00Z","timestamp":1716249600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Neural tube defects (NTDs), which are caused by impaired embryonic neural tube closure, are one of the most serious and common birth defects. Peptidyl-prolyl cis\/trans isomerase 1 (Pin1) is a prolyl isomerase that uniquely regulates cell signaling by manipulating protein conformation following phosphorylation, although its involvement in neuronal development remains unknown. In this study, we explored the involvement of Pin1 in NTDs and its potential mechanisms both in vitro and in vivo. The levels of Pin1 expression were reduced in NTD models induced by all-trans retinoic acid (Atra). Pin1 plays a significant role in regulating the apoptosis, proliferation, differentiation, and migration of neurons. Moreover, Pin1 knockdown significantly was found to exacerbate oxidative stress (OS) and endoplasmic reticulum stress (ERs) in neuronal cells. Further studies showed that the Notch1-Nrf2 signaling pathway may participate in Pin1 regulation of NTDs, as evidenced by the inhibition and overexpression of the Notch1-Nrf2 pathway. In addition, immunofluorescence (IF), co-immunoprecipitation (Co-IP), and GST pull-down experiments also showed that Pin1 interacts directly with Notch1 and Nrf2. Thus, our study suggested that the knocking down of Pin1 promotes NTD progression by inhibiting the activation of the Notch1-Nrf2 signaling pathway, and it is possible that this effect is achieved by disrupting the interaction of Pin1 with Notch1 and Nrf2, affecting their proteostasis. Our research identified that the regulation of Pin1 by retinoic acid (RA) and its involvement in the development of NTDs through the Notch1-Nrf2 axis could enhance our comprehension of the mechanism behind RA-induced brain abnormalities.<\/jats:p>","DOI":"10.3390\/ijms25115588","type":"journal-article","created":{"date-parts":[[2024,5,21]],"date-time":"2024-05-21T06:50:52Z","timestamp":1716274252000},"page":"5588","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Pin1 Downregulation Is Involved in Excess Retinoic Acid-Induced Failure of Neural Tube Closure"],"prefix":"10.3390","volume":"25","author":[{"given":"Yuwen","family":"Chen","sequence":"first","affiliation":[{"name":"Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jiao","family":"Pang","sequence":"additional","affiliation":[{"name":"Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lu","family":"Ye","sequence":"additional","affiliation":[{"name":"Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhentao","family":"Zhang","sequence":"additional","affiliation":[{"name":"Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Junfeng","family":"Kang","sequence":"additional","affiliation":[{"name":"Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zhuotao","family":"Qiu","sequence":"additional","affiliation":[{"name":"Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Na","family":"Lin","sequence":"additional","affiliation":[{"name":"Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hekun","family":"Liu","sequence":"additional","affiliation":[{"name":"Fujian Key Laboratory of Translational Research in Cancer and Neurodegenerative Diseases, The School of Basic Medical Sciences, Fujian Medical University, Fuzhou 350122, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2024,5,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"220","DOI":"10.3892\/mmr.2021.11859","article-title":"Effect of Notch1 on neural tube defects and neural stem cell differentiation induced by all-trans retinoic acid","volume":"23","author":"Chen","year":"2021","journal-title":"Mol. 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