{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T19:19:40Z","timestamp":1791659980278,"version":"4.3.4"},"reference-count":119,"publisher":"MDPI AG","issue":"23","license":[{"start":{"date-parts":[[2023,11,26]],"date-time":"2023-11-26T00:00:00Z","timestamp":1700956800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Liaoning Science and Technology Program","award":["2021JH2\/10300045"],"award-info":[{"award-number":["2021JH2\/10300045"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["IJMS"],"abstract":"<jats:p>Establishing an immune balance between the mother and fetus during gestation is crucial, with the placenta acting as the epicenter of immune tolerance. The placental transfer of antibodies, mainly immunoglobulin G (IgG), is critical in protecting the developing fetus from infections. This review looks at how immunomodulation of antibody glycosylation occurs during placental transfer and how it affects fetal health. The passage of maternal IgG antibodies through the placental layers, including the syncytiotrophoblast, stroma, and fetal endothelium, is discussed. The effect of IgG subclass, glycosylation, concentration, maternal infections, and antigen specificity on antibody transfer efficiency is investigated. FcRn-mediated IgG transport, influenced by pH-dependent binding, is essential for placental transfer. Additionally, this review delves into the impact of glycosylation patterns on antibody functionality, considering both protective and pathological effects. Factors affecting the transfer of protective antibodies, such as maternal vaccination, are discussed along with reducing harmful antibodies. This in-depth examination of placental antibody transfer and glycosylation provides insights into improving neonatal immunity and mitigating the effects of maternal autoimmune and alloimmune conditions.<\/jats:p>","DOI":"10.3390\/ijms242316772","type":"journal-article","created":{"date-parts":[[2023,11,27]],"date-time":"2023-11-27T03:32:03Z","timestamp":1701055923000},"page":"16772","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Immunomodulation of Antibody Glycosylation through the Placental Transfer"],"prefix":"10.3390","volume":"24","author":[{"given":"Chang","family":"Gao","sequence":"first","affiliation":[{"name":"Department of Blood Transfusion, Shengjing Hospital of China Medical University, Shenyang 110004, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingyan","family":"Chen","sequence":"additional","affiliation":[{"name":"Department of Blood Transfusion, Shengjing Hospital of China Medical University, Shenyang 110004, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xinxin","family":"Hao","sequence":"additional","affiliation":[{"name":"Department of Blood Transfusion, Shengjing Hospital of China Medical University, Shenyang 110004, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiushi","family":"Wang","sequence":"additional","affiliation":[{"name":"Department of Blood Transfusion, Shengjing Hospital of China Medical University, Shenyang 110004, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2023,11,26]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"624","DOI":"10.1111\/j.1600-0897.2010.00832.x","article-title":"Tolerance to the Foetal Allograft?","volume":"63","author":"Chaouat","year":"2010","journal-title":"Am. 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