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Cloning of AIP1, a Novel Protein That Associates with the Apoptosis-linked Gene ALG-2 in a Ca2+-dependent Reaction

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Vito, Pasquale, Pellegrini, Luca, Guiet, Chantal, D'Adamio, Luciano·1999·Journal of Biological Chemistry

Abstract

ALG-2 is a 22-kDa calcium-binding protein necessary for cell death induced by different stimuli in 3DO T-cell hybridoma. 3DO cell clones depleted of ALG-2 protein exhibit normal caspases activation, suggesting that ALG-2 function is required downstream or is independent of caspase proteases activity for apoptosis to occur. Using the yeast two-hybrid screening system, we have isolated and characterized the mouse cDNA encoding for ALG-2 interacting protein 1 (AIP1), a novel protein that interacts with ALG-2. ALG-2 and AIP1 colocalize in the cytosol and the presence of calcium is an indispensable requisite for their association. Sequence alignment shows that AIP1 is highly similar to BRO1, a yeast protein related to components of the Pkc1p-MAP kinase cascade. Overexpression of a truncated form of AIP1 protects two different cell types from death induced by trophic factors withdrawal; thus, our data indicate that AIP1 cooperates with ALG-2 in executing the calcium-dependent requirements along the cell death pathway.

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Metadata

Authors
Vito, P., Pellegrini, L., Guiet, C., & D'Adamio, L.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
1999-01
Volume
274
Issue
3
Pages
1533-1540
ISSN
0021-9258 (ISSN-L)
OpenAlex
W1986394736
Cited by
234
References
0
FWCI
4.35
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Cloning of AIP1, a Novel Protein That Associates with the Apoptosis-linked Gene ALG-2 in a Ca2+-dependent Reaction. https://app.cochat.ai/papers/10.1074/jbc.274.3.1533
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Vito, P., Pellegrini, L., Guiet, C., & D'Adamio, L. (1999). Cloning of AIP1, a Novel Protein That Associates with the Apoptosis-linked Gene ALG-2 in a Ca2+-dependent Reaction. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.274.3.1533

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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