{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T12:53:56Z","timestamp":1783774436138,"version":"3.55.0"},"reference-count":50,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"5","content-domain":{"domain":["ahajournals.org"],"crossmark-restriction":true},"short-container-title":["Circ Cardiovasc Genet"],"published-print":{"date-parts":[[2014,10]]},"abstract":"<jats:sec>\n            <jats:title>Background\u2014<\/jats:title>\n            <jats:p>Growing evidence indicates that the presence of toll-like receptor 4 (TLR4) on platelets is a key regulator of platelet number and function. Platelets exposed to TLR4 agonists may serve to activate other cells such as neutrophils and endothelial cells in sepsis and other inflammatory conditions. The functional significance of platelet TLR4 in hemorrhagic shock (HS), however, remains unexplored.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Methods and Results\u2014<\/jats:title>\n            <jats:p>Using thromboelastography and platelet aggregometry, we demonstrate that platelet function is impaired in a mouse model of HS with resuscitation. Further analysis using cellular-specific TLR4 deletion in mice revealed that platelet TLR4 is essential for platelet activation and function in HS with resuscitation and that platelet TLR4 regulates the development of coagulopathy after hemorrhage and resuscitation. Transfusion of TLR4-negative platelets into mice resulted in protection from coagulopathy and restored platelet function. Additionally, platelet-specific TLR4 knockout mice were protected from lung and liver injury and exhibited a marked reduction in systemic inflammation as measured by circulating interleukin-6 after HS with resuscitation.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions\u2014<\/jats:title>\n            <jats:p>We demonstrate for the first time that platelet TLR4 is an essential mediator of the inflammatory response as well as platelet activation and function in HS and resuscitation.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1161\/circgenetics.113.000398","type":"journal-article","created":{"date-parts":[[2014,7,22]],"date-time":"2014-07-22T01:44:11Z","timestamp":1405993451000},"page":"615-624","update-policy":"https:\/\/doi.org\/10.1161\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":55,"title":["Toll-Like Receptor 4 Regulates Platelet Function and Contributes to Coagulation Abnormality and Organ Injury in Hemorrhagic Shock and Resuscitation"],"prefix":"10.1161","volume":"7","author":[{"given":"Ning","family":"Ding","sequence":"first","affiliation":[{"name":"From the Department of Surgery, University of Pittsburgh, PA (N.D., G.C., R.H., P.A.L., T.R.B., M.D.N.); Department of Anesthesiology, Guangzhou First People\u2019s Hospital, Guangzhou Medical University, Guangzhou, People\u2019s Republic of China (N.D.); Department of Anesthesiology, Shanghai Tenth People\u2019s Hospital, Tongji University, School of Medicine, Shanghai, People\u2019s Republic of China (G.C.); and Division of Pediatric Surgery, Department of Surgery, Children\u2019s Hospital of Pittsburgh of UPMC, PA (C.P.S..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guoqiang","family":"Chen","sequence":"additional","affiliation":[{"name":"From the Department of Surgery, University of Pittsburgh, PA (N.D., G.C., R.H., P.A.L., T.R.B., M.D.N.); Department of Anesthesiology, Guangzhou First People\u2019s Hospital, Guangzhou Medical University, Guangzhou, People\u2019s Republic of China (N.D.); Department of Anesthesiology, Shanghai Tenth People\u2019s Hospital, Tongji University, School of Medicine, Shanghai, People\u2019s Republic of China (G.C.); and Division of Pediatric Surgery, Department of Surgery, Children\u2019s Hospital of Pittsburgh of UPMC, PA (C.P.S..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rosemary","family":"Hoffman","sequence":"additional","affiliation":[{"name":"From the Department of Surgery, University of Pittsburgh, PA (N.D., G.C., R.H., P.A.L., T.R.B., M.D.N.); Department of Anesthesiology, Guangzhou First People\u2019s Hospital, Guangzhou Medical University, Guangzhou, People\u2019s Republic of China (N.D.); Department of Anesthesiology, Shanghai Tenth People\u2019s Hospital, Tongji University, School of Medicine, Shanghai, People\u2019s Republic of China (G.C.); and Division of Pediatric Surgery, Department of Surgery, Children\u2019s Hospital of Pittsburgh of UPMC, PA (C.P.S..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patricia A.","family":"Loughran","sequence":"additional","affiliation":[{"name":"From the Department of Surgery, University of Pittsburgh, PA (N.D., G.C., R.H., P.A.L., T.R.B., M.D.N.); Department of Anesthesiology, Guangzhou First People\u2019s Hospital, Guangzhou Medical University, Guangzhou, People\u2019s Republic of China (N.D.); Department of Anesthesiology, Shanghai Tenth People\u2019s Hospital, Tongji University, School of Medicine, Shanghai, People\u2019s Republic of China (G.C.); and Division of Pediatric Surgery, Department of Surgery, Children\u2019s Hospital of Pittsburgh of UPMC, PA (C.P.S..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chhinder P.","family":"Sodhi","sequence":"additional","affiliation":[{"name":"From the Department of Surgery, University of Pittsburgh, PA (N.D., G.C., R.H., P.A.L., T.R.B., M.D.N.); Department of Anesthesiology, Guangzhou First People\u2019s Hospital, Guangzhou Medical University, Guangzhou, People\u2019s Republic of China (N.D.); Department of Anesthesiology, Shanghai Tenth People\u2019s Hospital, Tongji University, School of Medicine, Shanghai, People\u2019s Republic of China (G.C.); and Division of Pediatric Surgery, Department of Surgery, Children\u2019s Hospital of Pittsburgh of UPMC, PA (C.P.S..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"David J.","family":"Hackam","sequence":"additional","affiliation":[{"name":"From the Department of Surgery, University of Pittsburgh, PA (N.D., G.C., R.H., P.A.L., T.R.B., M.D.N.); Department of Anesthesiology, Guangzhou First People\u2019s Hospital, Guangzhou Medical University, Guangzhou, People\u2019s Republic of China (N.D.); Department of Anesthesiology, Shanghai Tenth People\u2019s Hospital, Tongji University, School of Medicine, Shanghai, People\u2019s Republic of China (G.C.); and Division of Pediatric Surgery, Department of Surgery, Children\u2019s Hospital of Pittsburgh of UPMC, PA (C.P.S..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timothy R.","family":"Billiar","sequence":"additional","affiliation":[{"name":"From the Department of Surgery, University of Pittsburgh, PA (N.D., G.C., R.H., P.A.L., T.R.B., M.D.N.); Department of Anesthesiology, Guangzhou First People\u2019s Hospital, Guangzhou Medical University, Guangzhou, People\u2019s Republic of China (N.D.); Department of Anesthesiology, Shanghai Tenth People\u2019s Hospital, Tongji University, School of Medicine, Shanghai, People\u2019s Republic of China (G.C.); and Division of Pediatric Surgery, Department of Surgery, Children\u2019s Hospital of Pittsburgh of UPMC, PA (C.P.S..."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Matthew D.","family":"Neal","sequence":"additional","affiliation":[{"name":"From the Department of Surgery, University of Pittsburgh, PA (N.D., G.C., R.H., P.A.L., T.R.B., M.D.N.); Department of Anesthesiology, Guangzhou First People\u2019s Hospital, Guangzhou Medical University, Guangzhou, People\u2019s Republic of China (N.D.); Department of Anesthesiology, Shanghai Tenth People\u2019s Hospital, Tongji University, School of Medicine, Shanghai, People\u2019s Republic of China (G.C.); and Division of Pediatric Surgery, Department of Surgery, Children\u2019s Hospital of Pittsburgh of UPMC, PA (C.P.S..."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","reference":[{"key":"e_1_3_4_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.thromres.2010.10.013"},{"key":"e_1_3_4_3_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.shk.0000227907.56060.2b"},{"key":"e_1_3_4_4_2","doi-asserted-by":"publisher","DOI":"10.1161\/circresaha.114.303662"},{"key":"e_1_3_4_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cell.2010.01.022"},{"key":"e_1_3_4_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.immuni.2010.03.012"},{"key":"e_1_3_4_7_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cub.2011.05.039"},{"key":"e_1_3_4_8_2","doi-asserted-by":"publisher","DOI":"10.1046\/j.1538-7836.2003.00304.x"},{"key":"e_1_3_4_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.it.2004.07.003"},{"key":"e_1_3_4_10_2","doi-asserted-by":"publisher","DOI":"10.4049\/jimmunol.1001623"},{"key":"e_1_3_4_11_2","doi-asserted-by":"publisher","DOI":"10.4049\/jimmunol.0802884"},{"key":"e_1_3_4_12_2","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2141.2008.06999.x"},{"key":"e_1_3_4_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.molimm.2007.07.035"},{"key":"e_1_3_4_14_2","doi-asserted-by":"publisher","DOI":"10.1182\/blood-2005-08-3219"},{"key":"e_1_3_4_15_2","doi-asserted-by":"publisher","DOI":"10.1182\/blood-2005-06-2202"},{"key":"e_1_3_4_16_2","doi-asserted-by":"publisher","DOI":"10.1038\/nm1565"},{"key":"e_1_3_4_17_2","doi-asserted-by":"publisher","DOI":"10.1182\/blood-2005-03-0916"},{"key":"e_1_3_4_18_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.shk.0000228797.41044.08"},{"key":"e_1_3_4_19_2","doi-asserted-by":"publisher","DOI":"10.1097\/CCM.0b013e31819da805"},{"key":"e_1_3_4_20_2","doi-asserted-by":"publisher","DOI":"10.4049\/jimmunol.178.10.6573"},{"key":"e_1_3_4_21_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jamcollsurg.2005.11.021"},{"key":"e_1_3_4_22_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.injury.2011.05.032"},{"key":"e_1_3_4_23_2","doi-asserted-by":"publisher","DOI":"10.1053\/j.gastro.2012.05.053"},{"key":"e_1_3_4_24_2","first-page":"pii 2068","article-title":"Fixed volume or fixed pressure: a murine model of hemorrhagic shock.","volume":"52","author":"Kohut LK","year":"2011","unstructured":"Kohut LK, Darwiche SS, Brumfield JM, Frank AM, Billiar TR. 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