Acondroplasia , Hypocondroplasia, ALS deficiency, IGF l deficiency, SHORT syrdrome, Laron Syrdrome, X-linked severe combined immunodeficiency, GH insensitivity with immunodeficiency, PAPP-A2 deficiency, Pseudohypoparathyroidism. The gene discussed is GH1; the disease is hyperinsulinemic hypoglycemia, familial, 4.