Table 1. Description of the Ad vectors used in this study.

Virus	Virus description	Modification site	Promoter	Reference
Ad5-luc	E1/E3 deleted, a luc gene under the CMV promoter in place of E1	wild	CMV	Krasnykh et al. (1996)
Ad5-RGD-luc	E1/E3 deleted, a luc gene under the CMV promoter in place of E1, RGD-4c modification in the H1 loop of the knob domain	fiber	CMV	Dmitriev et al. (1998)
Ad5-Sigma-luc	E1/E3 deleted, a luc gene under the CMV promoter in place of E1, chimeric fiber with the tail and shaft from Ad5 and the knob domain of reovirus	fiber	CMV	Mercier et al. (2004)
Ad5/3-luc	E1/E3 deleted, a luc gene under the CMV promoter in place of E1, chimeric fiber with the tail and shaft from Ad5 and the knob domain of Ad3	fiber	CMV	Kanerva et al. (2002)
Ad5-CAV2-luc	E1/E3 deleted, a luc gene under the CMV promoter in place of E1, Ad5 fiber knob switching to that of canine Ad serotype 2	fiber	CMV	Schagen et al. (2006); Bruner-Tran et al. (2006)
Ad5-survivin-luc	E1/E3 deleted, a luc gene under the survivin promoter in place of E1	promoter	survivin	Van Houdt et al. (2006)
Ad5-heparanase-luc	E1/E3 deleted, a luc gene under the heparanase promoter in place of E1	promoter	heparanase	Breidenbach et al. (2006)
Ad5-SLPI-luc	E1/E3 deleted, a luc gene under the SLPI promoter in place of E1	promoter	SLPI	Barker et al. [21] (2003)
Ad5-MSLN-CRAd-luc	a luc and E1 gene under the MSLN promoter	promoter based CRAd	MSLN	Tsuruta et al. [20] (2005)