{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T15:33:21Z","timestamp":1792510401949,"version":"4.5.0"},"reference-count":28,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"7","content-domain":{"domain":["www.ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Circulation Research"],"published-print":{"date-parts":[[2017,3,31]]},"abstract":"<jats:sec>\n                    <jats:title>\n                      <jats:underline>Rationale:<\/jats:underline>\n                    <\/jats:title>\n                    <jats:p>Macrophages are involved in wound healing after myocardial infarction (MI). The role of Dectin-2, a pattern recognition receptor mainly expressed on myeloid cells, in the infarct healing remains unknown.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>\n                      <jats:underline>Objective:<\/jats:underline>\n                    <\/jats:title>\n                    <jats:p>The aim of this study is to determine whether Dectin-2 signaling is involved in the healing process and cardiac remodeling after MI and to elucidate the underlying molecular mechanisms.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>\n                      <jats:underline>Methods and Results:<\/jats:underline>\n                    <\/jats:title>\n                    <jats:p>In a mouse model of permanent coronary ligation, Dectin-2, mainly expressed in macrophages, was shown to be increased in the early phase after MI. Dectin-2 knockout mice showed an improvement in the infarct healing and cardiac remodeling, compared with wild-type mice, which was demonstrated by significantly lower mortality because of cardiac rupture, increased wall thickness, and better cardiac function. Increased expression of \u03b1-smooth muscle actin and collagen I\/III was observed, whereas the levels of matrix metalloproteinase-2 and matrix metalloproteinase-9 were decreased in the hearts of Dectin-2 knockout mice after MI. Dectin-2 deficiency inhibited the rate of apoptotic and necrotic cell death. However, Dectin-2 did not affect immune cell infiltration and macrophage polarization, but it led to a stronger activation of the Th1\/interferon-\u03b3 immune reaction, through the enhancement of interleukin-12 production in the heart. Interferon-\u03b3 was shown to downregulate transforming growth factor-\u03b2\u2013induced expression of \u03b1-smooth muscle actin and collagen I\/III in isolated cardiac fibroblasts, leading to a decrease in migration and myofibroblast differentiation. Finally, Dectin-2 knockout improved myocardial ischemia\u2013reperfusion injury and infarct healing.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>\n                      <jats:underline>Conclusions:<\/jats:underline>\n                    <\/jats:title>\n                    <jats:p>Dectin-2 leads to an increase in cardiac rupture, impairs wound healing, and aggravates cardiac remodeling after MI through the modulation of Th1 differentiation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1161\/circresaha.116.310260","type":"journal-article","created":{"date-parts":[[2017,2,13]],"date-time":"2017-02-13T21:00:29Z","timestamp":1487019629000},"page":"1116-1129","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":85,"title":["Dectin-2 Deficiency Modulates Th1 Differentiation and Improves Wound Healing After Myocardial Infarction"],"prefix":"10.1161","volume":"120","author":[{"given":"Xiaoxiang","family":"Yan","sequence":"first","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; and Division of Experimental Animal Immunology, Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan (Y.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hang","family":"Zhang","sequence":"additional","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; and Division of Experimental Animal Immunology, Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan (Y.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qin","family":"Fan","sequence":"additional","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; and Division of Experimental Animal Immunology, Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan (Y.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian","family":"Hu","sequence":"additional","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; and Division of Experimental Animal Immunology, Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan (Y.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rong","family":"Tao","sequence":"additional","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; and Division of Experimental Animal Immunology, Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan (Y.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qiujing","family":"Chen","sequence":"additional","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; and Division of Experimental Animal Immunology, Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan (Y.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoichiro","family":"Iwakura","sequence":"additional","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; and Division of Experimental Animal Immunology, Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan (Y.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weifeng","family":"Shen","sequence":"additional","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; and Division of Experimental Animal Immunology, Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan (Y.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lin","family":"Lu","sequence":"additional","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; and Division of Experimental Animal Immunology, Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan (Y.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qi","family":"Zhang","sequence":"additional","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; and Division of Experimental Animal Immunology, Center for Animal Disease Models, Research Institute for Biomedical Sciences, Tokyo University of Science, Chiba, Japan (Y.I.)."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ruiyan","family":"Zhang","sequence":"additional","affiliation":[{"name":"From the Department of Cardiology, Rui Jin Hospital (X.Y., H.Z., Q.F., J.H., R.T., W.S., L.L., Q.Z., R.Z.) and Institute of Cardiovascular Diseases (X.Y., H.Z., Q.F., Q.C., L.L.), Shanghai Jiaotong University School of Medicine, PR China; 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