64110
Numerous perturbations affecting the cardiac neural crest have been associated with persistent truncus arteriosus , some of which include growth factors ( fibroblast growth factor 8 and bone morphogenetic protein ) , transcription factors ( T-box , Pax , Nkx2 - 5 , GATA-6 , and Forkhead ) , and gap junction proteins ( Connexin ) .
 GATA-6, Connexin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 GATA-6, Connexin