P. A. Theodorakis

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Studies with mouse embryo fibroblasts deficient for the BCL-2 family multidomain proapoptotic proteins BAX and BAK have revealed that both of these proteins are essential for apoptosis induced by multiple stimuli, suggesting that these proapoptotic proteins are functionally overlapping in these cells [M. C. Wei et al., Science (Wash. DC), 292: 727-730,(More)
Adenovirus E1B-19K and BCL-2 anti-apoptosis proteins interact with certain BCL-2 family pro-apoptotic proteins. A conserved domain, BH3, present in these proteins is essential for their pro-apoptotic activity and for heterodimerization with anti-apoptosis proteins. Cellular protein BNIP3 (previously NIP3) interacts with E1B-19K, BCL-2, BCL-xL, and(More)
The bel1 gene of human spumaretrovirus (HSRV) codes for a 300-amino-acid nuclear protein, termed Bel1, that can strongly activate transcription from the cognate long terminal repeat (LTR) by at least 200-fold. Bel1 can also activate human immunodeficiency virus type 1 (HIV-1) LTR expression. By using site-directed mutagenesis, we have identified distinct(More)
The human spumaretrovirus (HSRV) genome contains, in addition to coding information for the structural proteins, open reading frames (ORFs) for at least three additional genes termed bel1, bel2 and bel3. We report here the localization of the transcriptional activator of HSRV to the bel1 ORF. In reporter-based transient expression assays in COS cells(More)
The BHRF1 protein of Epstein-Barr virus (EBV) is a structural and functional homolog of the Bcl-2 protein. Both BHRF1 and Bcl-2 proteins promote the survival of cells exposed to various apoptotic stimuli. This promotion of cell survival is associated with a block in proliferation. It is believed that the Bcl-2 family of anti-apoptosis proteins contribute to(More)
Studies with mouse embryo fibroblasts deficient for the BCL-2 family multidomain proapoptotic proteins BAX and BAK have revealed that both of these proteins are essential for apoptosis induced by multiple stimuli, suggesting that these proapoptotic proteins are functionally overlapping in these cells [M. We have determined the effect of several different(More)
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