Abstract: A cell sheet for gene delivery is disclosed. Unlike conventional cell sheets for tissue regeneration, the disclosed cell sheet can be used as a local gene delivery system. Particularly when a virus is used as a gene delivery system, the virus can be proliferated within the cell sheet and acts topically within a therapeutic region. Thus, the cell sheet is superior in the prevention or treatment of cancer, the prevention of cancer recurrence or cancer metastasis, particularly the treatment of multifocal tumor even though the virus dose is remarkably lowered compared to the systemic administration or intratumoral injection of the virus.

Abstract: A cell sheet for gene delivery is disclosed. Unlike conventional cell sheets for tissue regeneration, the disclosed cell sheet can be used as a local gene delivery system. Particularly when a virus is used as a gene delivery system, the virus can be proliferated within the cell sheet and acts topically within a therapeutic region. Thus, the cell sheet is superior in the prevention or treatment of cancer, the prevention of cancer recurrence or cancer metastasis, particularly the treatment of multifocal tumor even though the virus dose is remarkably lowered compared to the systemic administration or intratumoral injection of the virus.

Abstract: A method of operating a multi-interface memory card including a first interface supporting a universal serial bus (USB) data transfer protocol and the second interface supporting an inter-chip USB (IC-USB) data transfer protocol includes; selecting either the first interface or the second interface to facilitate data communication between the multi-interface memory card and a host connected to the multi-interface memory card via a USB connection by comparing a level of a power-on voltage received from the host with a reference voltage level, and thereafter determining whether a reset signal has been received from the host.

Abstract: A method of operating a multi-interface memory card including a first interface supporting a universal serial bus (USB) data transfer protocol and the second interface supporting an inter-chip USB (IC-USB) data transfer protocol includes; selecting either the first interface or the second interface to facilitate data communication between the multi-interface memory card and a host connected to the multi-interface memory card via a USB connection by comparing a level of a power-on voltage received from the host with a reference voltage level, and thereafter determining whether a reset signal has been received from the host.