4562
We concluded that RAF265 is highly efficacious in this xenograft model of human melanoma and decreases glucose metabolism as measured by DNA microarray analysis , cell culture assays , and small animal FDG PET scans as early as 1 day after treatment .
 xenograft, melanoma, cell culture
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 xenograft, melanoma, cell culture