9773
Members of the mitogen activated protein ( MAP ) kinase family , extracellular signal - regulated kinase , stress - activated protein kinase - 1 / c - Jun NH2 - terminal kinase , and p38 , are central elements that transduce the signal generated by growth factors , cytokines , and stressing agents .
 mitogen activated protein ( MAP ) kinase family, extracellular signal - regulated kinase, stress - activated protein kinase - 1, c - Jun NH2 - terminal kinase, p38
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 mitogen activated protein ( MAP ) kinase family, extracellular signal - regulated kinase, stress - activated protein kinase - 1, c - Jun NH2 - terminal kinase, p38