LBH domain containing 1 (LBHD1)

LBH domain containing 1 (LBHD1) is a protein-coding gene whose product belongs to a small family of proteins characterized by the LBH (limb-bud and heart) domain. The protein is thought to act as a transcriptional cofactor, lacking a direct DNA-binding domain but capable of modulating transcription via interactions with other transcription factors. LBHD1 has documented roles in embryonic development, particularly in cell differentiation processes related to cartilage and bone (chondrocyte maturation, osteoblast activity), as well as embryonic heart development. Animal models suggest it regulates the activity of key transcription factors such as Runx2, and can indirectly affect pathways like VEGF signaling and angiogenesis in developing tissues. There is currently no evidence that LBHD1 is a conventional therapeutic target (such as a druggable receptor, enzyme, transporter, or immune checkpoint) and no drugs are known to target or modulate its activity. Disease associations include congenital defects in skeletal and cardiac tissues as well as rare genetic variants linked to mitochondrial disorders and hereditary deafness in humans.

Other names

C11orf48chromosome 11 open reading frame 48LBH domain-containing protein 1