Assertion: telomerase's activity | /r/HasProperty | repressed in most normal tissues
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The activity of telomerase and expression of hTERT are observed in 85-90% of most cancers and contribute to the increased cell proliferation, cellular immortality, carcinogenesis and cancer progression, while activity of telomerase and hTERT expression are usually repressed in most normal tissues.