Deficiency of purine nucleoside phosphorylase causes
A combined T cell and B cell immunodeficiency that is a rare autosomal recessive metabolic disorder that has material basis in mutation in the PNP gene and characterized mainly by decreased T-cell function. Ref-Sathyanarayana 4/e
Complement deficiency
Cellular immunodeficeincy
Humoral immunodeficeincy
Combined immunodeficeincy
Metabolism of nucleic acids