Assertion: adenosine's effect | /r/CapableOf | persist with chronic exposure
Facets:
value: to concentrations of adenosine
type: TRANSITIVE-OBJECT
Source sentences:
text: Downregulation of CD26 follows a similar timecourse to that of the upregulation of CXCR4, and the effect persists with chronic exposure to concentrations of adenosine that equate to those in the tumor extracellular fluid.