{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T23:06:36Z","timestamp":1768777596789,"version":"3.49.0"},"reference-count":32,"publisher":"MDPI AG","issue":"22","license":[{"start":{"date-parts":[[2023,11,18]],"date-time":"2023-11-18T00:00:00Z","timestamp":1700265600000},"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>Lung transplantation is often complicated by acute and\/or chronic rejection leading to graft-function loss. In addition to the HLA donor-specific antibodies (HLA-DSA), a few autoantibodies are correlated with the occurrence of these complications. Recently, antibodies directed against non-classical HLA molecules, HLA-G, -E, and -F have been detected in autoimmune diseases, like systemic lupus erythematosus. Non-classical HLA molecules are crucial in the immunological acceptance of the lung graft, and some of their isoforms, like HLA-G*01:04 and -G*01:06, are associated with a negative clinical outcome. The aim of this study is to determine the frequency of detection of HLA-G antibodies in lung transplant recipients (LTRs) and their impact on the occurrence of clinical complications. After incubating the cell lines SPI-801, with and without three different HLA-G isoform expression, with sera from 90 healthy blood donors and 35 LTRs (before and after transplantation), HLA-G reactivity was revealed using reagents from commercial monoclonal antibody immobilization of platelet antigen assay (MAIPA ApDIA\u00ae). Only one serum from one blood donor had specific reactivity against the HLA-G transduced lines. Non-specific reactivity in many sera from LTRs was observed with transduced- and wild-type cell lines, which may suggest recognition of an autoantigen expressed by the SPI-801 cell line. In conclusion, this study allowed the development of a specific detection tool for non-denatured HLA-G antibodies. These antibodies seem uncommon, both in healthy subjects and in complicated LTRs. This study should be extended to patients suffering from autoimmune diseases as well as kidney and heart transplant recipients.<\/jats:p>","DOI":"10.3390\/ijms242216479","type":"journal-article","created":{"date-parts":[[2023,11,18]],"date-time":"2023-11-18T07:33:18Z","timestamp":1700292798000},"page":"16479","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Low Prevalence of HLA-G Antibodies in Lung Transplant Patients Detected using MAIPA-Adapted Protocol"],"prefix":"10.3390","volume":"24","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9299-3705","authenticated-orcid":false,"given":"Pascal","family":"Pedini","sequence":"first","affiliation":[{"name":"Immunogenetics Laboratory, Etablissement Fran\u00e7ais du Sang, 13005 Marseille, France"},{"name":"ADES UMR 7268, Aix Marseille University, 13005 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7110-5465","authenticated-orcid":false,"given":"Lucas","family":"Hubert","sequence":"additional","affiliation":[{"name":"Immunogenetics Laboratory, Etablissement Fran\u00e7ais du Sang, 13005 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3503-5169","authenticated-orcid":false,"given":"Federico","family":"Carlini","sequence":"additional","affiliation":[{"name":"IRCCS Ospedale Policlinico San Martino, 16100 Genova, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jean Baptiste","family":"Baudey","sequence":"additional","affiliation":[{"name":"Immunogenetics Laboratory, Etablissement Fran\u00e7ais du Sang, 13005 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Audrey","family":"Tous","sequence":"additional","affiliation":[{"name":"ADES UMR 7268, Aix Marseille University, 13005 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francois","family":"Jordier","sequence":"additional","affiliation":[{"name":"ADES UMR 7268, Aix Marseille University, 13005 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Agn\u00e8s","family":"Basire","sequence":"additional","affiliation":[{"name":"Immunogenetics Laboratory, Etablissement Fran\u00e7ais du Sang, 13005 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Claude","family":"Bagnis","sequence":"additional","affiliation":[{"name":"ADES UMR 7268, Aix Marseille University, 13005 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martine","family":"Reynaud-Gaubert","sequence":"additional","affiliation":[{"name":"Lung Transplant Department, Aix-Marseille University, APHM, 13015 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8896-5346","authenticated-orcid":false,"given":"Benjamin","family":"Coiffard","sequence":"additional","affiliation":[{"name":"Lung Transplant Department, Aix-Marseille University, APHM, 13015 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jacques","family":"Chiaroni","sequence":"additional","affiliation":[{"name":"ADES UMR 7268, Aix Marseille University, 13005 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Monique","family":"Silvy","sequence":"additional","affiliation":[{"name":"ADES UMR 7268, Aix Marseille University, 13005 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christophe","family":"Picard","sequence":"additional","affiliation":[{"name":"Immunogenetics Laboratory, Etablissement Fran\u00e7ais du Sang, 13005 Marseille, France"},{"name":"ADES UMR 7268, Aix Marseille University, 13005 Marseille, France"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2023,11,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1234","DOI":"10.21037\/jtd.2016.05.03","article-title":"Long term complications following 54 consecutive lung transplants","volume":"8","author":"Tabarelli","year":"2016","journal-title":"J. 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