Assertion: alanine's role | /r/HasProperty | unclear
Facets:
value: presently
type: DEGREE
Source sentences:
text: Even though several studies have characterized the effect of DGEA on cultured cells, the role of DGEA in osteoblast signalling and differentiation is presently unclear (Marquis et al., 2008).
text: The exact role of fibronectin in osteoid differentiation is still unclear.