J Med Assoc Thai. 2009 Sep;92 Suppl5:S1-3. The role of vitamin K2 on osteoblastic functions by using stem cell model. Bunyaratavej N, Sila-Asna M, Bunyaratavej A. Vitamin K2 (MK4) functions were investigated by using the induced skin cell into osteoblast compared with the control media.The real time PCR measured gene expression in both cultures at [...]