Assertion: osteoclast's level | /r/HasProperty | 4–6 ng/ml
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Source sentences:
text: ELISA quantification of RANKL levels in CM samples revealed very low levels (4–6 ng/ml) of RANKL even in highly metastatic MDA-MB-231, 4T1, or TSU sublines, although these sublines produced significantly higher levels of RANKL than their weakly metastatic isogenic counterparts ( Figure S4 A).