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Intermittent steroid dosing has been proposed in Duchenne Muscular Dystrophy patients to mitigate the side effects seen with daily steroid intake. We evaluated biomarkers from Duchenne Muscular Dystrophy patients, finding that, compared with chronic daily steroid use, weekend steroid use was associated with reduced serum insulin, free fatty acids, and branched chain amino acids, as well as reduction in fat mass despite having similar BMIs. We reasoned that intermittent prednisone administration in dystrophic mice would alter muscle epigenomic signatures, and we identified the coordinated action of the glucocorticoid receptor, KLF15 and MEF2C as mediators of a gene expression program driving metabolic reprogramming and enhanced nutrient utilization. Muscle lacking\n                    <jats:italic>Klf15<\/jats:italic>\n                    failed to respond to intermittent steroids. Furthermore, coadministration of the histone acetyltransferase inhibitor anacardic acid with steroids in\n                    <jats:italic>mdx<\/jats:italic>\n                    mice eliminated steroid-specific epigenetic marks and abrogated the steroid response. Together, these findings indicate that intermittent, repeated exposure to glucocorticoids promotes performance in dystrophic muscle through an epigenetic program that enhances nutrient utilization.\n                  <\/jats:p>","DOI":"10.1172\/jci.insight.132402","type":"journal-article","created":{"date-parts":[[2019,12,18]],"date-time":"2019-12-18T11:01:07Z","timestamp":1576666867000},"source":"Crossref","is-referenced-by-count":49,"title":["Pulsed glucocorticoids enhance dystrophic muscle performance through epigenetic-metabolic reprogramming"],"prefix":"10.1172","volume":"4","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7011-1740","authenticated-orcid":true,"given":"Mattia","family":"Quattrocelli","sequence":"first","affiliation":[{"name":"Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University (NU), Chicago, Illinois, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aaron S.","family":"Zelikovich","sequence":"additional","affiliation":[{"name":"Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University (NU), Chicago, Illinois, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhen","family":"Jiang","sequence":"additional","affiliation":[{"name":"Gladstone Institutes, San Francisco, California, USA."},{"name":"Amgen Research, South San Francisco, California, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Clara Bien","family":"Peek","sequence":"additional","affiliation":[{"name":"Division of Endocrinology, Metabolism and Molecular Medicine, Feinberg School of Medicine, NU, Chicago, Illinois, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexis R.","family":"Demonbreun","sequence":"additional","affiliation":[{"name":"Center for Genetic Medicine, Feinberg School of Medicine, Northwestern University (NU), Chicago, Illinois, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nancy L.","family":"Kuntz","sequence":"additional","affiliation":[{"name":"Ann and Robert H. 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