Assertion: ngf | /r/CapableOf | act as protective factor
Facets:
value: for low levels of ngf
type: TRANSITIVE-OBJECT
value: for schwann cells
type: TRANSITIVE-OBJECT
Source sentences:
text: NGF may act as a protective factor for Schwann cells, and low levels of NGF may contribute to the development of neuropathy (38, 39).