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Despite the demonstrated benefits of RAAS inhibition and \u03b2-adrenergic receptor blockade in adult HF patients, no substantial improvement in survival rate has been observed in children with HF. This suggests that the underlying disease mechanism is uniquely regulated in pediatric HF. Here, we show that treatment of human-induced pluripotent stem cell-derived cardiomyocytes (iPSC-CMs) and neonatal rat ventricular myocytes (NRVMs) with serum from pediatric dilated cardiomyopathy (DCM) patients induces pathological changes in gene expression, which occur independently of the RAAS and adrenergic systems, suggesting that serum circulating factors play an important role in cardiac remodeling. Furthermore, exosomes purified from DCM serum induced pathological changes in gene expression in NRVMs and iPSC-CMs. Our results suggest that DCM serum exosomes mediate pathological responses in cardiomyocytes and may propagate the pediatric HF disease process, representing a potential novel therapeutic target specific to this population.<\/jats:p>\n                  <jats:p>NEW &amp; NOTEWORTHY The results of this work could alter the present paradigm of basing clinical pediatric heart failure (HF) treatment on outcomes of adult HF clinical trials. The use of serum-treated primary cardiomyocytes may define age-specific mechanisms in pediatric HF with the potential to identify unique age-appropriate and disease-specific therapy.<\/jats:p>\n                  <jats:p>Listen to this article's corresponding podcast at https:\/\/ajpheart.podbean.com\/e\/exosomes-in-pediatric-dilated-cardiomyopathy\/ .<\/jats:p>","DOI":"10.1152\/ajpheart.00673.2016","type":"journal-article","created":{"date-parts":[[2017,1,27]],"date-time":"2017-01-27T22:10:19Z","timestamp":1485555019000},"page":"H818-H826","source":"Crossref","is-referenced-by-count":44,"title":["Exosomes from pediatric dilated cardiomyopathy patients modulate a pathological response in cardiomyocytes"],"prefix":"10.1152","volume":"312","author":[{"given":"Xuan","family":"Jiang","sequence":"first","affiliation":[{"name":"Division of Cardiology, Department of Medicine, University of Colorado Denver, Aurora, Colorado;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juliana","family":"Sucharov","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine, University of Colorado Denver, Aurora, Colorado;"},{"name":"University of Colorado Boulder, Boulder, Colorado;"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3418-7750","authenticated-orcid":false,"given":"Brian L.","family":"Stauffer","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine, University of Colorado Denver, Aurora, Colorado;"},{"name":"Division of Cardiology, Department of Medicine, Denver Health and Hospital Authority, Denver, Colorado; and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shelley D.","family":"Miyamoto","sequence":"additional","affiliation":[{"name":"Department of Pediatrics, University of Colorado School of Medicine, Children\u2019s Hospital, Aurora, Colorado"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carmen C.","family":"Sucharov","sequence":"additional","affiliation":[{"name":"Division of Cardiology, Department of Medicine, University of Colorado Denver, Aurora, Colorado;"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"24","reference":[{"key":"B1","doi-asserted-by":"publisher","DOI":"10.1016\/j.bbadis.2014.10.008"},{"key":"B2","doi-asserted-by":"publisher","DOI":"10.1172\/JCI70577"},{"key":"B3","doi-asserted-by":"publisher","DOI":"10.1172\/JCI115659"},{"key":"B4","doi-asserted-by":"publisher","DOI":"10.1016\/j.yjmcc.2014.06.002"},{"key":"B5","doi-asserted-by":"publisher","DOI":"10.1111\/j.1365-2125.1989.tb03594.x"},{"key":"B6","doi-asserted-by":"publisher","DOI":"10.1155\/2014\/619829"},{"key":"B7","doi-asserted-by":"publisher","DOI":"10.1161\/01.CIR.0000120390.68287.BB"},{"key":"B8","doi-asserted-by":"publisher","DOI":"10.1083\/jcb.201506084"},{"key":"B9","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2009.11.059"},{"key":"B10","doi-asserted-by":"publisher","DOI":"10.1186\/1479-5876-12-162"},{"key":"B11","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCRESAHA.117.305990"},{"key":"B12","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(09)60236-1"},{"key":"B13","doi-asserted-by":"publisher","DOI":"10.1007\/s10741-010-9165-7"},{"key":"B14","doi-asserted-by":"publisher","DOI":"10.1038\/cr.2015.153"},{"key":"B15","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpeds.2016.11.011"},{"key":"B16","doi-asserted-by":"publisher","DOI":"10.1093\/eurheartj\/ehs229"},{"key":"B17","doi-asserted-by":"publisher","DOI":"10.3402\/jev.v3.24641"},{"key":"B18","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCHEARTFAILURE.114.001218"},{"key":"B19","doi-asserted-by":"publisher","DOI":"10.1111\/j.1742-4658.2011.08090.x"},{"key":"B20","doi-asserted-by":"publisher","DOI":"10.1161\/CIRCULATIONAHA.115.015687"},{"key":"B21","doi-asserted-by":"publisher","DOI":"10.1083\/jcb.201211138"},{"key":"B22","doi-asserted-by":"publisher","DOI":"10.1016\/j.clinbiochem.2013.10.020"},{"key":"B23","doi-asserted-by":"crossref","first-page":"2505","DOI":"10.1242\/jcs.115.12.2505","volume":"115","author":"Savina A","year":"2002","journal-title":"J Cell Sci"},{"key":"B24","doi-asserted-by":"publisher","DOI":"10.1016\/j.yjmcc.2013.07.017"},{"key":"B25","doi-asserted-by":"publisher","DOI":"10.1016\/j.yjmcc.2013.01.005"},{"key":"B26","doi-asserted-by":"publisher","DOI":"10.1091\/mbc.E07-12-1217"},{"key":"B27","doi-asserted-by":"publisher","DOI":"10.1152\/ajpheart.00017.2006"},{"key":"B28","doi-asserted-by":"publisher","DOI":"10.3978\/j.issn.2072-1439.2014.06.16"},{"key":"B29","doi-asserted-by":"publisher","DOI":"10.1016\/j.jacc.2015.02.026"},{"key":"B30","doi-asserted-by":"publisher","DOI":"10.1158\/0008-5472.CAN-09-4238"},{"key":"B31","doi-asserted-by":"publisher","DOI":"10.1016\/j.cardfail.2016.11.006"},{"key":"B32","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.0501198102"}],"container-title":["American Journal of Physiology-Heart and Circulatory Physiology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.physiology.org\/doi\/pdf\/10.1152\/ajpheart.00673.2016","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2022,7,22]],"date-time":"2022-07-22T19:20:33Z","timestamp":1658517633000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.physiology.org\/doi\/10.1152\/ajpheart.00673.2016"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2017,4,1]]},"references-count":32,"journal-issue":{"issue":"4","published-print":{"date-parts":[[2017,4,1]]}},"alternative-id":["10.1152\/ajpheart.00673.2016"],"URL":"https:\/\/doi.org\/10.1152\/ajpheart.00673.2016","relation":{},"ISSN":["0363-6135","1522-1539"],"issn-type":[{"value":"0363-6135","type":"print"},{"value":"1522-1539","type":"electronic"}],"subject":[],"published":{"date-parts":[[2017,4,1]]}}}