<prompt> Tumor suppressor gene responsible for lung squamous cell carcinoma is?p53RbPTENp63  <response>: Ans. is a i.e., p53 Different genes involved in lung carcinoma c-MYC and RB - small cell cancer RAS and p 16 - non-small cell cancer p53 - both small and non-small cell, but highest in squamous cell carcinoma K-RAS -adenocarcinoma In small cell cancer there is high expression of the antiapoptotic gene BCL 2 and low expression of the Proapoptotic gene BAX. 