1710
Experiments with nu / nu mice , nonobese diabetic - SCID mice , or activated spc enriched in specific cell subpopulations demonstrated that CD4 ( + ) , CD8 ( + ) , and NK cells are all needed to mediate the full anti - angiogenetic effect of IL - 12 .
 spc, cell, CD4 ( + ), CD8 ( + ), NK cells
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Anatomy 
Text: {0} 
Answer:
 spc, cell, CD4 ( + ), CD8 ( + ), NK cells