Assertion: caspase's role | /r/HasProperty | unclear
Facets:
value: at present
type: TEMPORAL
Source sentences:
text: At present, the role of caspase-3 in tumor formation/progression and tumor sensitivity to treatment is still unclear.
text: Hence, the physiological roles of most of these various cysteine proteases in vivo are at present unclear.
text: EV71 virus has been demonstrated previously to activate caspase-3 to induce apoptosis of host cells (Chang et al., 2004; Shi et al., 2012; Lu et al., 2013), but until now, the role of activated caspase-3 in the pathogenic mechanism of EV71 virus was unclear.