Fetal and pediatric pathology · 2021
B4GAT1 Gene Associated Congenital Muscular Dystrophy Presenting with Recurrent Severe Ventriculomegaly: Case Report and Review of Literature.
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Lallar Meenakshi, Kaur Ladbans, Preet Meetan, Singh U P
Аннотация
BACKGROUND: Congenital muscular dystrophies (CMD) range in phenotype from an antenatal presentation with brain and eye anomalies to isolated muscular weakness. B4GAT1 gene has recently been associated with muscular dystrophy-dystroglycanopathy, type A, 13 and two families have been reported.
CASE REPORT: We report the third family with B4GAT1 associated CMD presenting as recurrent severe ventriculomegaly, cerebellar and vermian hypoplasia in fetal life, which was identified after the second affected pregnancy. The mutations identified were similar to those reported in a previously reported Indian family, homozygous, p.Asn390Asp, and p. Ala406Val, suggesting founder mutation.
CONCLUSION: B4GAT1 mutations are associated with CMD and may present in fetal life as severe ventriculomegaly. The homozygous B4GAT1 mutations, p.Asn390Asp, and p. Ala406Val, described in two Indian families (including this case) might represent a founder mutation.
CASE REPORT: We report the third family with B4GAT1 associated CMD presenting as recurrent severe ventriculomegaly, cerebellar and vermian hypoplasia in fetal life, which was identified after the second affected pregnancy. The mutations identified were similar to those reported in a previously reported Indian family, homozygous, p.Asn390Asp, and p. Ala406Val, suggesting founder mutation.
CONCLUSION: B4GAT1 mutations are associated with CMD and may present in fetal life as severe ventriculomegaly. The homozygous B4GAT1 mutations, p.Asn390Asp, and p. Ala406Val, described in two Indian families (including this case) might represent a founder mutation.