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Título: Suicide gene therapy with Herpes simplex virus thymidine kinase and ganciclovir is enhanced with connexins to improve gap junctions and bystander effects
Fecha de publicación: 2003
Editorial: Murcia : F. Hernández
ISSN: 0213-3911
Materias relacionadas: CDU::6 - Ciencias aplicadas::61 - Medicina
Palabras clave: Glioma
Connexin
Resumen: Connexins are proteins that form gap junctions between cells in various mammalian tissues. Because of their role in intercellular communication, connexins are important in the bystander cell death seen in Herpes simplex virus-thymidine kinase (HSV-TK) gene therapy for brain tumors. A selective review of connexin transduction/transfection studies with particular emphasis to central nervous system tumor cells is presented. In addition, specific references to studies with cell types that demonstrate low gap junction intercellular communication are presented. Data are included with the HT-29 colorectal tumor cell line to support the concept that enhancing gap junction protein expression in otherwise low gap junction communicating HT-29 cells increases bystander cell death and reduces tumor burden beyond what might be expected from HSV-TK and ganciclovir (GCV) treatment alone. Maximum in vitro bystander cell death was always produced when GCV treated co-cultures of TKtransduced and non-TK-transduced HT-29 cell lines were also transduced with connexin-43. When connexin was present in only one group of cells in the co-culture, there was more bystander cell death observed with connexin transduced into the non- TK-transduced cells, rather than the TK-transduced cells. The data presented reinforces conclusions made from earlier findings from cell line mixing experiments in which the non- TKtransduced cell population determined the level of bystander cell death (Burrows et al., 2002).
Autor/es principal/es: Nicholas, T.W.
Read, S.B.
Burrows, F.J.
Kruse, C.A.
Forma parte de: Histology and histopathology
URI: http://hdl.handle.net/10201/21437
Tipo de documento: info:eu-repo/semantics/article
Número páginas / Extensión: 13
Derechos: info:eu-repo/semantics/openAccess
Aparece en las colecciones:Vol.18, nº 2 (2003)

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