Assertion: astronaut's body | /r/CapableOf | produce less beta-3 integrin
Facets:
value: during weightlessness
type: TEMPORAL
Source sentences:
text: The researchers believe that during weightlessness, the body produces less beta-3 integrin, which makes it harder for the IGF-1 receptor to relay any messages from IGF-1 to the bone cells and tell them what to do.