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Vaccination is an effective measure to control the disease caused by TGEV.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      In this study, cell-cultured TGEV HN-2012 strain was inactivated by formaldehyde (FA), \u03b2-propiolactone (BPL) or binaryethylenimine (BEI), respectively. Then the inactivated TGEV vaccine was prepared with freund's adjuvant, and the immunization effects were evaluated in mice. The TGEV-specific IgG level was detected by ELISA. The positive rates of CD4\n                      <jats:sup>+<\/jats:sup>\n                      , CD8\n                      <jats:sup>+<\/jats:sup>\n                      , CD4\n                      <jats:sup>+<\/jats:sup>\n                      IFN-\u03b3\n                      <jats:sup>+<\/jats:sup>\n                      , CD4\n                      <jats:sup>+<\/jats:sup>\n                      IL-4\n                      <jats:sup>+<\/jats:sup>\n                      T lymphocytes were detected by flow cytometry assay. Lymphocyte proliferation assay and gross pathology and histopathology examination were also performed to assess the three different inactivating reagents in formulating TGEV vaccine.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The results showed that the TGEV-specific IgG level in FA group (n\u2009=\u200917) was earlier and stronger, while the BEI group produced much longer-term IgG level. The lymphocyte proliferation test demonstrated that the BEI group had a stronger ability to induce spleen lymphocyte proliferation. The positive rates of CD4\n                      <jats:sup>+<\/jats:sup>\n                      and CD8\n                      <jats:sup>+<\/jats:sup>\n                      T lymphocyte subsets of peripheral blood lymphocyte in BEI group was higher than that in FA group and BPL groups by flow cytometry assay. The positive rate of CD4\n                      <jats:sup>+<\/jats:sup>\n                      IFN-\u03b3\n                      <jats:sup>+<\/jats:sup>\n                      T lymphocyte subset was the highest in the BPL group, and the positive rate of CD4\n                      <jats:sup>+<\/jats:sup>\n                      IL-4\n                      <jats:sup>+<\/jats:sup>\n                      T lymphocyte subset was the highest in the FA group. There were no obvious pathological changes in the vaccinated mice and the control group after the macroscopic and histopathological examination.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>These results indicated that all the three experimental groups could induce cellular and humoral immunity, and the FA group had the best humoral immunity effect, while the BEI group showed its excellent cellular immunity effect.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12985-020-01433-8","type":"journal-article","created":{"date-parts":[[2020,10,23]],"date-time":"2020-10-23T07:02:53Z","timestamp":1603436573000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":17,"title":["Assessments of different inactivating reagents in formulating transmissible gastroenteritis virus vaccine"],"prefix":"10.1186","volume":"17","author":[{"given":"Fujie","family":"Zhao","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lintao","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Menglong","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiangli","family":"Shu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8284-9152","authenticated-orcid":false,"given":"Lanlan","family":"Zheng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhanyong","family":"Wei","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2020,10,23]]},"reference":[{"key":"1433_CR1","doi-asserted-by":"publisher","first-page":"102","DOI":"10.1186\/s12985-018-1012-9","volume":"15","author":"L Xia","year":"2018","unstructured":"Xia L, Yang YH, Wang JL, Jing YC, Yang Q. 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