Assertion: osteoblast | /r/HasProperty | required for hsc maintenance
Facets:
value: quantitatively
type: MANNER
value: physiologically
type: MANNER
Source sentences:
text: However, there is not yet any evidence that N-cadherin-expressing cells have HSC activity or that osteoblasts are required for HSC maintenance.
text: It is unclear whether osteoblasts are physiologically required for HSC maintenance.
text: We examined biglycan-deficient mice to test whether depletion of osteoblasts and osteoblast progenitors would reduce the number of HSCs, as would be expected if osteoblasts are quantitatively required for HSC maintenance.