Clefting disorders

Gene: ARID1B

I don't know

Although there are more than three unrelated cases with ARID1B monoallelic variants reported with either cleft palate, cleft uvula or bifid uvula, clefting is not consistently present in individuals with ARID1B variants.

PMID:30349098 - On this web-based survey based on previously reported features of individuals with variants in ARID1B gene (143 in total), which also included submissions to DECIPHER database, two individuals were identified with cleft palate, one with cleft uvula, two with bifid uvula and three with sub mucous cleft. Although variants identified in these patients are reported in this publication, there is no association of individual patients to phenotypes available.

Of >100 patients with ARID1B variants in the DECIPHER database, only one patient (c.3183_3184​insT/ p.Tyr1062LeufsTer10) was reported with submucous cleft soft palate and two patients (c.4155_4156​insA/ p.Asn1386LysfsTer18 & c.2620+5G​>A) were reported with bifid uvula.
Sources: Expert Review

Created: 10 Jul 2023, 9:25 a.m.

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Coffin-Siris syndrome 1, OMIM:135900

Publications

• 30349098
• 37010288