claim: Night of the Living Dead is a series of seven romantic films.
evidence: The RET proto-oncogene encodes a receptor tyrosine kinase for members of the glial cell line-derived neurotrophic factor -LRB- GDNF -RRB- family of extracellular signalling molecules .. encodes. genetic code. receptor tyrosine kinase. receptor tyrosine kinase. signalling molecules. signal transduction#Signalling molecules. RET loss of function mutations are associated with the development of Hirschsprung 's disease , while gain of function mutations are associated with the development of various types of human cancer , including medullary thyroid carcinoma , multiple endocrine neoplasias type 2A and 2B , pheochromocytoma and parathyroid hyperplasia .. loss of function. loss of function. gain of function. gain of function. cancer. cancer. medullary thyroid carcinoma. medullary thyroid cancer