{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,10]],"date-time":"2026-09-10T11:03:56Z","timestamp":1789038236217,"version":"build-2803163510"},"reference-count":35,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2013,3,18]],"date-time":"2013-03-18T00:00:00Z","timestamp":1363564800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Journal of Medical Virology"],"published-print":{"date-parts":[[2013,5]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>To investigate the specific immunoglobulin (Ig) G subclass responses in patients with hepatitis E virus (HEV) infection, an open reading frame 2 (ORF2) protein based enzyme\u2010linked immunosorbant assay was used to measure antibody levels in sera obtained at different phases of infection. Sera were collected at 2\u201331 days and at 6 months after the onset of symptoms corresponding to the acute (n\u2009=\u200948, 100% IgM\u2010positive) and convalescent (n\u2009=\u200917\/48, 53% IgM\u2010positive) phases of infection, respectively. IgM\u2010negative sera from 61 individuals infected at least \u22656 months ago (prior exposure) were also tested. IgG1, IgG2, IgG3, and IgG4 antibodies were detected in 100%, 6%, 56%, and 4% of acute phase sera, respectively, and in 100%, 0%, 0%, and 65% of convalescent phase sera, respectively. IgG1 antibody levels were significantly higher than those of the other detectable subclasses of IgG in the acute and convalescent sera (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.05). The IgG3 antibodies in six acute phase patients were replaced by IgG4 antibodies in the convalescent phase of infection. Patients with prior exposure to HEV had low total IgG antibody titers and decreased IgG1 seropositivity compared with those in the acute and convalescent phases. IgG1 was the only major subclass of antibody to be detected in all the three phases of infection. Other than IgG1 antibodies, the subclass antibody response was restricted to IgG3 and IgG4 antibodies in the acute and convalescent phases of infection, respectively. J. Med. Virol. 85:828\u2013832, 2013. \u00a9 2013 Wiley Periodicals, Inc.<\/jats:p>","DOI":"10.1002\/jmv.23537","type":"journal-article","created":{"date-parts":[[2013,3,18]],"date-time":"2013-03-18T14:56:51Z","timestamp":1363618611000},"page":"828-832","source":"Crossref","is-referenced-by-count":7,"title":["Serum immunoglobulin G subclass responses in different phases of hepatitis E virus infection"],"prefix":"10.1002","volume":"85","author":[{"given":"Tejaswini M.","family":"Deshmukh","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rachita R.","family":"Shah","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yogesh K.","family":"Gurav","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vidya A.","family":"Arankalle","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2013,3,18]]},"reference":[{"key":"e_1_2_6_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0168-8278(01)00297-5"},{"key":"e_1_2_6_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/jmv.10301"},{"key":"e_1_2_6_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2893.2006.00801.x"},{"key":"e_1_2_6_5_1","doi-asserted-by":"publisher","DOI":"10.1084\/jem.168.1.127"},{"key":"e_1_2_6_6_1","doi-asserted-by":"publisher","DOI":"10.1089\/088922203769232584"},{"key":"e_1_2_6_7_1","doi-asserted-by":"publisher","DOI":"10.1016\/0166-0934(92)90180-L"},{"key":"e_1_2_6_8_1","unstructured":"DeanAG SullivanKM SoeMM. 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