{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,13]],"date-time":"2026-07-13T08:11:53Z","timestamp":1783930313035,"version":"3.55.0"},"reference-count":15,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2019,4,25]],"date-time":"2019-04-25T00:00:00Z","timestamp":1556150400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2019,4,25]],"date-time":"2019-04-25T00:00:00Z","timestamp":1556150400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/100000051","name":"National Human Genome Research Institute","doi-asserted-by":"publisher","award":["UO1HG007674"],"award-info":[{"award-number":["UO1HG007674"]}],"id":[{"id":"10.13039\/100000051","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Molec Gen &amp; Gen Med"],"published-print":{"date-parts":[[2019,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>\n                      Rare variants (RV) in immunoglobulin mu\u2010binding protein 2 (\n                      <jats:italic>IGHMBP2<\/jats:italic>\n                      ) [OMIM 600502] can cause an autosomal recessive type of Charcot\u2010Marie\u2010Tooth (CMT) disease [OMIM 616155], an inherited peripheral neuropathy. Over 40 different genes are associated with CMT, with different possible inheritance patterns.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods and Results<\/jats:title>\n                    <jats:p>\n                      An 11\u2010year\u2010old female with motor delays was found to have distal atrophy, weakness, and areflexia without bulbar or sensory findings. Her clinical evaluation was unrevealing. Whole exome sequencing (WES) revealed a maternally inherited\n                      <jats:italic>IGHMBP2<\/jats:italic>\n                      RV (c.1730T&gt;C) predicted to be pathogenic, but no variant on the other allele was identified. Deletion and duplication analysis was negative. She was referred to the Undiagnosed Disease Network (UDN) for further evaluation.\n                    <\/jats:p>\n                    <jats:p>\n                      Whole genome sequencing (WGS) confirmed the previously identified\n                      <jats:italic>IGHMBP2<\/jats:italic>\n                      RV and identified a paternally inherited non\u2010coding\n                      <jats:italic>IGHMBP2<\/jats:italic>\n                      RV. This was predicted to activate a cryptic splice site perturbing\n                      <jats:italic>IGHMBP2<\/jats:italic>\n                      splicing. Reverse transcriptase polymerase chain reaction (RT\u2010PCR) analysis was consistent with activation of the cryptic splice site. The abnormal transcript was shown to undergo nonsense\u2010mediated decay (NMD), resulting in halpoinsufficiency.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>This case demonstrates the deficiencies of WES and traditional molecular analyses and highlights the advantages of utilization of WGS and functional studies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/mgg3.676","type":"journal-article","created":{"date-parts":[[2019,4,25]],"date-time":"2019-04-25T03:47:15Z","timestamp":1556164035000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":23,"title":["Whole genome sequencing reveals novel\n                    <i>IGHMBP2<\/i>\n                    variant leading to unique cryptic splice\u2010site and Charcot\u2010Marie\u2010Tooth phenotype with early onset symptoms"],"prefix":"10.1002","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3522-2135","authenticated-orcid":false,"given":"Thomas A.","family":"Cassini","sequence":"first","affiliation":[{"name":"Department of Medicine Vanderbilt University Medical Center Nashville Tennessee"},{"name":"Department of Pediatrics Vanderbilt University Medical Center Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Laura","family":"Duncan","sequence":"additional","affiliation":[{"name":"Department of Medicine Vanderbilt University Medical Center Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lynette C.","family":"Rives","sequence":"additional","affiliation":[{"name":"Department of Medicine Vanderbilt University Medical Center Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1867-9093","authenticated-orcid":false,"given":"John H.","family":"Newman","sequence":"additional","affiliation":[{"name":"Department of Pediatrics Vanderbilt University Medical Center Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"John A.","family":"Phillips","sequence":"additional","affiliation":[{"name":"Department of Medicine Vanderbilt University Medical Center Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mary E.","family":"Koziura","sequence":"additional","affiliation":[{"name":"Department of Medicine Vanderbilt University Medical Center Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer","family":"Brault","sequence":"additional","affiliation":[{"name":"Department of Medicine Vanderbilt University Medical Center Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rizwan","family":"Hamid","sequence":"additional","affiliation":[{"name":"Department of Medicine Vanderbilt University Medical Center Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joy","family":"Cogan","sequence":"additional","affiliation":[{"name":"Department of Medicine Vanderbilt University Medical Center Nashville Tennessee"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"name":"Undiagnosed Diseases Network","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2019,4,25]]},"reference":[{"key":"e_1_2_6_2_1","first-page":"1","volume-title":"Charcot\u2010Marie\u2010Tooth hereditary neuropathy overview","author":"Bird T. 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