{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,9]],"date-time":"2026-09-09T10:51:47Z","timestamp":1788951107316,"version":"build-2803163510"},"reference-count":41,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2021,6,15]],"date-time":"2021-06-15T00:00:00Z","timestamp":1623715200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["iubmb.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["IUBMB Life"],"published-print":{"date-parts":[[2021,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Gastric cancer is a malignant tumor with a poor prognosis. Therefore, it is important to search for molecules that play a vital role in the development, diagnosis, and treatment of this disease. Placenta\u2010specific 1 (PLAC1) is one of the cancer\u2010testis antigens; it plays an important role in both placental development and tumorigenesis. However, the role of PLAC1 in gastric cancer has not been fully investigated, and its underlying mechanism needs further study. We first explored the expression and clinical relevance of PLAC1 in gastric cancer and performed gene set enrichment analysis of PLAC1\u2010related genes using online databases. Subsequently, we studied the function and mechanism of PLAC1 in gastric cancer cells through in vitro experiments. Our results showed that PLAC1 is highly expressed in gastric cancer, is associated with poor prognosis, and can promote gastric cancer cell proliferation through the AKT\/GSK\u20103\u03b2\/cyclin D1 signaling pathway. Moreover, we discovered that AKTi attenuates the effect of PLAC1. Our study further revealed the role and mechanism of PLAC1 in gastric cancer and suggested that this antigen might be a useful molecular marker for gastric cancer diagnosis, prognosis, and treatment.<\/jats:p>","DOI":"10.1002\/iub.2514","type":"journal-article","created":{"date-parts":[[2021,6,10]],"date-time":"2021-06-10T19:18:36Z","timestamp":1623352716000},"page":"1131-1141","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Placenta\u2010specific protein 1 promotes cell proliferation via the <scp>AKT<\/scp>\/<scp>GSK<\/scp>\u20103\u03b2\/cyclin <scp>D1<\/scp> signaling pathway in gastric cancer"],"prefix":"10.1002","volume":"73","author":[{"given":"Dongyang","family":"Liu","sequence":"first","affiliation":[{"name":"Division of General Surgery Shanghai Jiao Tong University Affiliated Sixth People's Hospital  Shanghai PR 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