Vinculin influences essential processes in enteric nervous system development and Hirschsprung disease pathogenesis.

ABSTRACT: Vinculin (VCL), a linker between cells and their environment, has rarely been linked to disease. This study examines the role of VCL in the development of the enteric nervous system (ENS) and its relationship to Hirschsprung disease (HSCR). Using whole-genome sequencing and in vitro assays, we identified 4 VCL mutations associated with HSCR, most causing loss of function. Neural crest-specific Vcl knock-out mice (Vcl cKO) displayed ENS defects resembling short-segment HSCR, including partial colonic aganglionosis and abnormal gut musculature. Single-cell transcriptomics revealed dysregulation of genes involved in neuronal differentiation and MAPK signaling. Spatial RNA-seq revealed reduced ENS-mesenchyme interactions in Vcl cKO mice, accompanied by significant disruption of the Pleiotrophi

SUBMITTER: Liu L 

PROVIDER: S-EPMC12867144 | biostudies-literature | 2026 Feb

REPOSITORIES: biostudies-literature