Review
Copyright ©2013 Baishideng Publishing Group Co.
World J Stem Cells. Oct 26, 2013; 5(4): 124-135
Published online Oct 26, 2013. doi: 10.4252/wjsc.v5.i4.124
Figure 1
Figure 1 Important stem cell niche factors regulating stem cell proliferation and differentiation in bioreactors. The niche factors include regulatory factors (such as oxygen), extracellular matrix (synthetic and native), physical forces and paracrine/autocrine factors. ECM: Extracellular matrix.