{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,5,8]],"date-time":"2025-05-08T13:14:44Z","timestamp":1746710084473,"version":"3.40.5"},"reference-count":17,"publisher":"American Academy of Pediatrics (AAP)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2003,11,1]]},"abstract":"<jats:p>Objective. To understand the expanding clinical and biochemical spectrum of short-chain acyl-CoA dehydrogenase (SCAD) deficiency, the impact of which is not fully understood.<\/jats:p>\n               <jats:p>Study Design. We studied a family with SCAD deficiency and determined urinary ethylmalonic acid excretion, plasma C4-carnitine, SCAD enzyme activity in fibroblasts and lymphocytes, DNA mutations in the SCAD gene, and clinical expression. The index patient was born prematurely and had otherwise unexplained cholestasis and hepatomegaly during the first year of life. His mother developed a hemolysis-elevated liver enzymes-low platelets (HELLP) syndrome while pregnant with the index patient.<\/jats:p>\n               <jats:p>Results. Two siblings had a homozygous inactivating 1138C&amp;gt;T mutation, whereas the father was compound heterozygous for this mutation and the common 625G&amp;gt;A polymorphism. There was a good correlation between the type of SCAD mutation, the residual SCAD enzyme activity, and the levels of urinary ethylmalonic acid and plasma C4-carnitine in each of the eight family members. Retrospective acylcarnitine analysis of the index patient\u2019s Guthrie screening card confirmed the abnormal increase of C4-carnitine, suggestive of SCAD deficiency. None of the family members had hypotonia, developmental delay, or episodes of ketotic hypoglycemia.<\/jats:p>\n               <jats:p>Conclusion. Homozygosity for an inactivating SCAD mutation does not necessarily result in disease. The previously held opinion that SCAD deficiency is always a serious disorder may have been influenced by a clinical bias. Homozygosity for an inactivating 1138C&amp;gt;T SCAD mutation was assessed by neonatal screening of blood spot acylcarnitines. SCAD deficiency may be associated with maternal HELLP syndrome.<\/jats:p>","DOI":"10.1542\/peds.112.5.1152","type":"journal-article","created":{"date-parts":[[2004,8,14]],"date-time":"2004-08-14T00:43:47Z","timestamp":1092444227000},"page":"1152-1155","source":"Crossref","is-referenced-by-count":45,"title":["Short-Chain Acyl-CoA Dehydrogenase Deficiency: Studies in a Large Family Adding to the Complexity of the Disorder"],"prefix":"10.1542","volume":"112","author":[{"given":"Levinus A.","family":"Bok","sequence":"first","affiliation":[{"name":"Maxima Medisch Centrum, Veldhoven, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Peter","family":"Vreken","sequence":"additional","affiliation":[{"name":"Academic Medical Center, University of Amsterdam, Department of Clinical Chemistry and Division of Emma\u2019s Children\u2019s Hospital, Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Frits A.","family":"Wijburg","sequence":"additional","affiliation":[{"name":"Academic Medical Center, University of Amsterdam, Department of Clinical Chemistry and Division of Emma\u2019s Children\u2019s Hospital, Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ronald J. A.","family":"Wanders","sequence":"additional","affiliation":[{"name":"Academic Medical Center, University of Amsterdam, Department of Clinical Chemistry and Division of Emma\u2019s Children\u2019s Hospital, Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Niels","family":"Gregersen","sequence":"additional","affiliation":[{"name":"Research Institute for Molecular Medicine, Faculty of Health Sciences and Aarhus University Hospital, Aarhus N, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Morten J.","family":"Corydon","sequence":"additional","affiliation":[{"name":"Research Institute for Molecular Medicine, Faculty of Health Sciences and Aarhus University Hospital, Aarhus N, Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hans R.","family":"Waterham","sequence":"additional","affiliation":[{"name":"Academic Medical Center, University of Amsterdam, Department of Clinical Chemistry and Division of Emma\u2019s Children\u2019s Hospital, Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marinus","family":"Duran","sequence":"additional","affiliation":[{"name":"Academic Medical Center, University of Amsterdam, Department of Clinical Chemistry and Division of Emma\u2019s Children\u2019s Hospital, Amsterdam, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"417","published-online":{"date-parts":[[2003,11,1]]},"reference":[{"key":"2021120820303025100_R1","doi-asserted-by":"crossref","unstructured":"Corydon MJ, Vockley J, Rinaldo P, et al. 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