LIM and cysteine-rich domains protein 1 (LMCD1)

LIM and cysteine-rich domains protein 1 (LMCD1) is a multifunctional transcriptional cofactor belonging to the LIM-domain family of zinc finger proteins, featuring an N-terminal cysteine-rich domain and two C-terminal LIM domains[1][3]. LMCD1 acts primarily as a transcriptional corepressor and modulator, notably interacting with and repressing GATA6 and other GATA family transcription factors by inhibiting their DNA binding, thereby restricting tissue-specific gene activation in the heart and lungs[1][2][3]. LMCD1 regulates multiple biological processes including cardiac hypertrophy (through calcineurin/NFAT signaling), skeletal muscle growth, vascular smooth muscle proliferation, osteogenic differentiation (by stabilizing key osteogenic regulators such as RUNX2 and Smad1), as well as cancer cell migration and epithelial-to-mesenchymal transition[3][4]. Disease associations include a role in cardiomyopathy, vascular disorders, osteoporosis, and the progression of several cancers[1][3][4].

Other names

LMCD1DyxinLIM and cysteine-rich domains 1Lim domain proteinLIM and cysteine-rich domains protein 1dyxin