Table 1.

Cell-adhesive peptides (CAPs) that have been used for cell-adhesive modification of PEG hydrogels.

CAP	Origin a	Cell receptor	Monomer type	Ref.
RGD	FN, LN, Collagen	Integrins	Monoacrylate	7,134–146
			Diacrylate	147,148
			Monothiol	21,149–154
			Monoazide	155
			Diazide	155
			Monomaleimide	23
			Mono-QAP b	26
KQAGDV	FN	Integrin	Monoacrylate	138–141,145
REDV	FN	Integrin α4β1	Monoacrylate	118
PHSRN	FN	Integrin α5β1	Monoacrylate	142,143
			Monothiol	150
IKVAV	LN α1	110 kDa protein	Monoacrylate	144,146
			Monothiol	151
			Monobiotin	124
YIGSR	LN	67 kDa protein	Monoacrylate	144–146
			Monothiol	150
PDGSR	LN	Integrin	Monoacrylate	144,146
LRGDN	LN	Integrin	Monoacrylate	146
LRE	LN	Integrin	Monoacrylate	144
IKLLI	LN	Heparin	Monoacrylate	144,146
GFOGER	Collagen-I	Integrin α2β1	Monoacrylate	141
VAPG	Elastin	67 kDa protein	Monoacrylate	139,140,145,156

^aFN, fibronectin; LN, laminin.

^bQAP, Gln acceptor peptide (NQEQVSPL).