ISSN:
1573-675X
Keywords:
adenovirus
;
E4orf4
;
apoptosis
;
protein phosphatase 2A (PP2A)
;
caspases
;
cancer
;
gene therapy
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Medicine
Notes:
Abstract Adenovirus E4orf4 protein is a multifunctional viral regulator that induces p53-independent apoptosis in transformed cells, but not in normal cells. E4orf4-induced apoptosis can occur without activation of known caspases, although E4orf4 induces caspase activity in some cell lines. The interaction of E4orf4 with a specific subpopulation of protein phosphatase 2A (PP2A) molecules that contain B subunits, but not with those that contain B′ subunits, is required for induction of apoptosis. This review suggests the potential use of E4orf4 in cancer therapy, and discusses whether E4orf4-induced apoptosis plays a role in the viral life cycle. Future research directions are also highlighted.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1009644210581
