Assertion: megakaryocyte | /r/CapableOf | develop to the vascular niche
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Source sentences:
text: From this niche, megakaryocytes must move as they develop to the vascular niche (bone marrow sinusoids), which is facilitated by cytokines (CXCL12 or stromal cell-derived factor) and adhesion molecules (VCAM-1 on endothelial cells and the α4β1 integrin megakaryocytes).