Assertion: osteoblast | /r/HasProperty | measured by rt-pcr
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Source sentences:
text: mRNA expression levels of osteoprogenitor, pre-osteoblast, and osteoblast markers (Runx2, Osx, Alp, Col1a1, Dlx5, Bsp, and Ocn) in the monolayer and spheroids were measured by RT-PCR.