This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of Adrenal Gland, Subject name: Medicine
Which of the following genes is not related to pheochromocytoma associated syndromes? 
Select and explain. 
A. NF-1 gene, B. RET proto oncogene, C. VHL gene, D. AIRE gene
D: AIRE gene
Answer: D: AIRE gene 
Explanation: Pheochromocytoma associated syndromes Neurofibromatosis 1 NF1 gene MEN 2A and 2B RET proto-oncogene Von Hippel Landau VHL gene AIRE gene is responsible for Autoimmune poly-glandular syndrome type 1.