Table 2.
Growth factors and reagents for in vitro intestinal epithelial stem cell assay
Reagent | Category | Function |
---|---|---|
Matrigel | Extracellular matrix | Structural support of IESCs through laminins (23) |
R-spondin 1 (Rspo1) | Growth factor | Stimulates canonical Wnt signaling (24) |
Jagged-1 peptide | Growth factor | Inhibits premature IESCs differentiation (25) |
Noggin 1 | Growth factor | Known to cause crypt expansion in vivo (26) |
Epidermal growth factor (EGF) | Growth factor | Stimulates intestinal growth in vivo (27) |
Wnt3a | Growth factor | Provides mitogenic signals to IESCs (7) |
B27 | Media supplement | Supplements for serum-free media (28) |
N2 | Media supplement | Supplements for serum-free media (29) |
HEPES | Media supplement | Maintains proper pH of IESC growth media |
Y-27632 | Anoikis inhibitor | Inhibits apoptotic response to epithelial dissociation (30) |