Abstract
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SATB2-Associated Syndrome: a Case Report of a De Novo Nonsense Mutation in SATB2 from China and Review of Literature
by Hong-Yan Lv, Rui-Jiang Zheng, Qiu-Li Wang, Peng-Shun Ren, Lin-Hong Jin, Xiu-Ling Gu, Lian-Xiang Li
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Background: To study the clinical and genetic features from a Chinese child with SATB2-associated syndrome (SAS) and review of literature.
Methods: The girl, 2 years 3 months old, is admitted to the Department of Pediatric Rehabilitation in our hospital. This patient has mental retardation, language development disorder, cleft palate II0, micrognathia, malocclusion, irritability and bilateral oblique palpebral fissure as a clinical manifestation and is treated for 3 months.
Results: Gesell Development Scale (GDS) evaluation displays the patient’s action capacity: gross motor 13.4, DQ 41%; fine motor 14.1, DQ 44%; adaptive behavior: DA 15.2, DQ 47%; speech capacity: DA 8.8; DQ 27%; person capacity: DA 11.7, DQ, 36%. Bayley Scale evaluation displays MDI < 50 and PDI < 50. Sleep EEG showed bilateral frontal pole - frontal - central - anterior temporal area presents in sharp wave, sharp and slow wave synchronization issue. A brain MRI showed that signal T2 is strengthened in the internal capsule hind leg. Flake T2FLATR high signal can been showed in the periventricular area of the parietal lobe in bilateral hemisphere. Molecular studies showed the patient carries a de novo nonsense mutation c.1285G>A (p.R429X) in SATB2.
Conclusions: SATB2 mutation is not detected in the parents of the subjects. This study is important to further study the clinical features of SATB2-associated syndrome and to enlarge the SATB2 mutation spectrum.
DOI: 10.7754/Clin.Lab.2017.171116
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