Assertion: adenosine's level | /r/HasProperty | grown as tumor
Facets:
value: in vivo
type: LOCATION
Source sentences:
text: In studies of CXCR4 expression in experimental colorectal cancer, it has been found that CT‐26 murine colon carcinoma cells, which expressed only low levels of CXCR4 in culture, had much higher levels of CXCR4 when grown as tumors in vivo , 21 raising the possibility that the tumor microenvironment acts to induce and maintain higher cell‐surface levels of CXCR4.