. . . . . . . "[MHC Class II deficiency is a rare primary immunodeficiency disease characterized by absent HLA Class II expression resulting in CD4 lymphopenia, lack of Ag-specific responses and recurrent infection.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:13:20+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .