{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T20:24:34Z","timestamp":1785183874595,"version":"3.55.0"},"reference-count":24,"publisher":"Cold Spring Harbor Laboratory","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Cold Spring Harb Mol Case Stud"],"published-print":{"date-parts":[[2019,6]]},"abstract":"<jats:p>Variants in the mitochondrial alanyl-tRNA synthetase 2 gene <jats:italic>AARS2<\/jats:italic> (OMIM 612035) are associated with infantile mitochondrial cardiomyopathy or later-onset leukoencephalopathy with premature ovarian insufficiency. Here, we report two newborn siblings who died soon after birth with primary pulmonary hypoplasia without evidence of cardiomyopathy. Whole-exome sequencing detected the same compound heterozygous <jats:italic>AARS2<\/jats:italic> variants in both siblings (c.1774C&gt;T, p.Arg592Trp and c.647dup, p.Cys218Leufs*6) that have previously been associated with infantile mitochondrial cardiomyopathy. Segregation analysis in the family confirmed carrier status of the parents and an unaffected sibling. To our knowledge, this is the first report of primary pulmonary hypoplasia in the absence of cardiomyopathy associated with recessive <jats:italic>AARS2<\/jats:italic> variants and further defines the phenotypic spectrum associated with this gene.<\/jats:p>","DOI":"10.1101\/mcs.a003699","type":"journal-article","created":{"date-parts":[[2019,2,28]],"date-time":"2019-02-28T23:35:23Z","timestamp":1551396923000},"page":"a003699","source":"Crossref","is-referenced-by-count":15,"title":["Siblings with lethal primary pulmonary hypoplasia and compound heterozygous variants in the <i>AARS2<\/i> gene: further delineation of the phenotypic spectrum"],"prefix":"10.1101","volume":"5","author":[{"given":"Catherine","family":"Kiraly-Borri","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gareth","family":"Jevon","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Weizhen","family":"Ji","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lauren","family":"Jeffries","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jamie-Lee","family":"Ricciardi","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Monica","family":"Konstantino","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kate G.","family":"Ackerman","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3235-3460","authenticated-orcid":false,"given":"Saquib A.","family":"Lakhani","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"246","published-online":{"date-parts":[[2019,2,28]]},"reference":[{"key":"2021112506174967000_5.3.a003699.1","doi-asserted-by":"publisher","DOI":"10.1007\/s12098-009-0229-4"},{"key":"2021112506174967000_5.3.a003699.2","doi-asserted-by":"publisher","DOI":"10.1515\/jpm-2017-0124"},{"key":"2021112506174967000_5.3.a003699.3","doi-asserted-by":"publisher","DOI":"10.1126\/scitranslmed.3003310"},{"key":"2021112506174967000_5.3.a003699.4","doi-asserted-by":"publisher","DOI":"10.1212\/WNL.0000000000000497"},{"key":"2021112506174967000_5.3.a003699.5","doi-asserted-by":"publisher","DOI":"10.1016\/j.anpedi.2015.10.008"},{"key":"2021112506174967000_5.3.a003699.6","doi-asserted-by":"publisher","DOI":"10.1002\/ppul.20218"},{"key":"2021112506174967000_5.3.a003699.7","doi-asserted-by":"publisher","DOI":"10.1155\/2014\/787956"},{"key":"2021112506174967000_5.3.a003699.8","doi-asserted-by":"publisher","DOI":"10.3389\/fgene.2015.00021"},{"key":"2021112506174967000_5.3.a003699.9","doi-asserted-by":"publisher","DOI":"10.1074\/jbc.R117.809194"},{"key":"2021112506174967000_5.3.a003699.10","doi-asserted-by":"publisher","DOI":"10.1074\/jbc.REV118.002953"},{"key":"2021112506174967000_5.3.a003699.11","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajhg.2011.04.006"},{"key":"2021112506174967000_5.3.a003699.12","doi-asserted-by":"publisher","DOI":"10.1016\/j.jcma.2011.12.004"},{"key":"2021112506174967000_5.3.a003699.13","doi-asserted-by":"publisher","DOI":"10.1038\/s41431-017-0058-2"},{"key":"2021112506174967000_5.3.a003699.14","doi-asserted-by":"publisher","DOI":"10.4103\/0971-5916.154489"},{"key":"2021112506174967000_5.3.a003699.15","doi-asserted-by":"publisher","DOI":"10.1097\/NEN.0000000000000209"},{"key":"2021112506174967000_5.3.a003699.16","unstructured":"Lentz J , Keats B . 2016. Usher syndrome type II. In GeneReviews\u00ae (ed. Adam MP , ). University of Washington, Seattle, WA."},{"key":"2021112506174967000_5.3.a003699.17","doi-asserted-by":"publisher","DOI":"10.1093\/brain\/awx045"},{"key":"2021112506174967000_5.3.a003699.18","doi-asserted-by":"publisher","DOI":"10.1017\/S1047951116001876"},{"key":"2021112506174967000_5.3.a003699.19","doi-asserted-by":"publisher","DOI":"10.1097\/MOP.0000000000000686"},{"key":"2021112506174967000_5.3.a003699.20","doi-asserted-by":"publisher","DOI":"10.1136\/fn.81.2.F81"},{"key":"2021112506174967000_5.3.a003699.21","doi-asserted-by":"publisher","DOI":"10.1016\/j.molmed.2017.06.002"},{"key":"2021112506174967000_5.3.a003699.22","doi-asserted-by":"publisher","DOI":"10.1093\/hmg\/ddy294"},{"key":"2021112506174967000_5.3.a003699.23","doi-asserted-by":"publisher","DOI":"10.1001\/jama.2014.7184"},{"key":"2021112506174967000_5.3.a003699.24","unstructured":"Wigglesworth JS , Singer DB . 1998. 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