{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,28]],"date-time":"2026-04-28T13:58:28Z","timestamp":1777384708655,"version":"3.51.4"},"reference-count":21,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2018,2,9]],"date-time":"2018-02-09T00:00:00Z","timestamp":1518134400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"National Institute for Neurological Disease and Stroke","award":["NS091381"],"award-info":[{"award-number":["NS091381"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American J of Med Genetics Pt A"],"published-print":{"date-parts":[[2018,4]]},"abstract":"<jats:sec><jats:label\/><jats:p>SHANK3 encodes for a scaffolding protein that links neurotransmitter receptors to the cytoskeleton and is enriched in postsynaptic densities of excitatory synapses. Deletions or mutations in one copy of the <jats:italic>SHANK3<\/jats:italic> gene cause Phelan\u2010McDermid syndrome, also called 22q13.3 deletion syndrome, a neurodevelopmental disorder with common features including global developmental delay, absent to severely impaired language, autistic behavior, and minor dysmorphic features. By whole exome sequencing, we identified two de novo novel variants including one frameshift pathogenic variant and one missense variant of unknown significance in a 14\u2010year\u2010old boy with delayed motor milestones, delayed language acquisition, autism, intellectual disability, ataxia, progressively worsening spasticity of the lower extremities, dysmorphic features, short stature, microcephaly, failure to thrive, chronic constipation, intrauterine growth restriction, and bilateral inguinal hernias. Both changes are within the CpG island in exon 21, separated by a 375 bp sequence. Next generation sequencing of PCR products revealed that the two variants are most frequently associated with each other. Sanger sequencing of the cloned PCR products further confirmed that both changes were on a single allele. The clinical presentation in this individual is consistent with other patients with a truncating mutation in exon 21, suggesting that the missense change contributes none or minimally to the phenotypes. This is the first report of two de novo mutations in one <jats:italic>SHANK3<\/jats:italic> allele.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ajmg.a.38622","type":"journal-article","created":{"date-parts":[[2018,2,9]],"date-time":"2018-02-09T06:28:10Z","timestamp":1518157690000},"page":"973-979","source":"Crossref","is-referenced-by-count":10,"title":["Two de novo novel mutations in one <i>SHANK3<\/i> allele in a patient with autism and moderate intellectual disability"],"prefix":"10.1002","volume":"176","author":[{"given":"Wenmiao","family":"Zhu","sequence":"first","affiliation":[{"name":"Baylor Genetics Laboratories Houston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianli","family":"Li","sequence":"additional","affiliation":[{"name":"Baylor Genetics Laboratories Houston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stella","family":"Chen","sequence":"additional","affiliation":[{"name":"Baylor Genetics Laboratories Houston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jinglan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Baylor Genetics Laboratories Houston Texas"},{"name":"Department of Molecular and Human Genetics Baylor College of Medicine Houston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesco","family":"Vetrini","sequence":"additional","affiliation":[{"name":"Baylor Genetics Laboratories Houston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alicia","family":"Braxton","sequence":"additional","affiliation":[{"name":"Baylor Genetics Laboratories Houston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christine M.","family":"Eng","sequence":"additional","affiliation":[{"name":"Baylor Genetics Laboratories Houston Texas"},{"name":"Department of Molecular and Human Genetics Baylor College of Medicine Houston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yaping","family":"Yang","sequence":"additional","affiliation":[{"name":"Baylor Genetics Laboratories Houston Texas"},{"name":"Department of Molecular and Human Genetics Baylor College of Medicine Houston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Fan","family":"Xia","sequence":"additional","affiliation":[{"name":"Baylor Genetics Laboratories Houston Texas"},{"name":"Department of Molecular and Human Genetics Baylor College of Medicine Houston Texas"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kory L.","family":"Keller","sequence":"additional","affiliation":[{"name":"Department of Molecular and Medical Genetics Oregon Health &amp; Science University Portland Oregon"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leila","family":"Okinaka\u2010Hu","sequence":"additional","affiliation":[{"name":"Department of Molecular and Medical Genetics Oregon Health &amp; Science University Portland Oregon"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chung","family":"Lee","sequence":"additional","affiliation":[{"name":"Division of Medical Genetics Department of Pediatrics Stanford University Stanford California"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"suffix":"Jr","given":"J. 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