A New Split Hand/Foot Malformation with Long Bone Deficiency Familial Case

Journal of Pediatric Genetics
Carmela FuscoGiuseppe Merla

Abstract

Split hand/foot malformation with long bone deficiency (SHFLD) is a congenital limb anomaly where hands and/or feet cleft and syndactyly are associated with long bone defects, usually involving the tibia. Previously published data reported that 17p13.3 chromosomal duplication, including the BHLHA9 gene, has been associated with the distinct entity, termed SHFLD3 (OMIM 612576), inherited as an autosomal dominant trait. Here, we present a family with three members affected by SHFLD harboring BHLHA9 duplication. We exploited in vitro differentiation system to promote proband's skin fibroblasts toward osteoblastic lineage, and we observed a slight but consistent delay in the mineralization pattern. This result possibly suggests an impairment of the osteogenic process in the affected members.

Citations

Jun 16, 2019·BMC Medical Genetics·Chamara Sampath PaththinigeVajira Harshadeva Weerabaddana Dissanayake
Mar 20, 2020·World Journal of Orthopedics·Sergey S LeonchukAnthony J Blanchard

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