Agammaglobulinemia 8b, Autosomal Recessive, is also known as agammaglobulinemia, autosomal recessive, due to tcf3 defect. An important gene associated with Agammaglobulinemia 8b, Autosomal Recessive is TCF3 (Transcription Factor 3). Affiliated tissues include t cells and b cells, and related phenotypes are depressed nasal bridge and hypertelorism