CD27 and hyperinsulinemic hypoglycemia, familial, 4: Examples include X-linked disorders such as X-linked lymphoproliferative disorder (XLP) and MAGT1 deficiency, and autosomal recessive disorders such as CD27 deficiency, CD70 deficiency, ITK deficiency, RASGRP1 deficiency, CTPS1 deficiency, CORO1A deficiency and DOCK8 deficiency.