Familial Apolipoprotein Gene Cluster Deletion Syndrome, also known as familial apolipoprotein a-i and c-iii deficiency, variant ii, is related to hypoalphalipoproteinemia, primary, 2 and tangier disease. An important gene associated with Familial Apolipoprotein Gene Cluster Deletion Syndrome is APOGCDS (Familial Apolipoprotein Gene Cluster Deletion Syndrome). Affiliated tissues include heart, and related phenotypes are hypocholesterolemia and decreased hdl cholesterol concentration