
																
																	MHC class I and II deficiencies 
																
																
																
															Keywords: MHC class I and II; immunodeficiency; regulatory factor X; class II transactivator; transporter associated with antigen processing I and II; tapasinB2M, β2-Microglobulin; CG, Complementation group; CID, Combined immunodeficiency; CIITA, Class II transacti