Leucine-rich repeat-containing protein 8A is a protein that in humans is encoded by the LRRC8A gene.

This gene encodes a protein belonging to the leucine-rich repeat family of proteins, which are involved in diverse biological processes, including cell adhesion, cellular trafficking, and hormone-receptor interactions. This family member is a putative four-pass transmembrane protein that plays a role in B cell development. Defects in this gene cause autosomal dominant non-Bruton type agammaglobulinemia, an immunodeficiency disease resulting from defects in B cell maturation. Multiple alternatively spliced transcript variants, which encode the same protein, have been identified for this gene. (provided by RefSeq)
Function: Involved in B-cell development. Required for the pro-B cell to pre-B cell transition (By similarity).