c.2011C>T is responsible for congenital scoliosis in a Chinese family.

Biochem Biophys Rep

Department of Pediatric Orthopedics, Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, 510623, China.

Published: December 2024

Neuromuscular scoliosis can be caused by muscular or nervous system dysfunction resulting from genetic variants. Variation in may cause hypertrophic or dilated cardiomyopathy, skeletal myopathies, or a combination of both; however, scoliosis has rarely been reported. We analyzed a Chinese pedigree with two members suffering from scoliosis. Whole-exome sequencing identified a variant (NM_000257.4:c.2011C > T) of that cosegregated with the scoliosis phenotype. The variant resulted in a change in the evolutionarily conserved amino acid residue 671 from arginine to cystine (p.R671C), which was predicted to disrupt the structure and function of the motor domain of the slow/β-cardiac myosin heavy chain encoded by . To date, 913 variants were associated with cardiomyopathy and/or skeletal myopathies according to the Human Gene Mutation Database. However, only 15 cases of scoliosis have been reported. In our case, the c.2011C > T variant caused scoliosis with 100 % penetrance and hypertrophic cardiomyopathy with partial penetrance.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11525624PMC
http://dx.doi.org/10.1016/j.bbrep.2024.101845DOI Listing

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