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Apaf1 (CED-4 Homolog) Regulates Programmed Cell Death in Mammalian Development

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Cecconi, Francesco, Alvarez-Bolado, Gonzalo, Meyer, Barbara I, Roth, Kevin A, Gruss, Peter·1998·Cell

Abstract

The cytosolic protein APAF1, human homolog of C. elegans CED-4, participates in the CASPASE 9 (CASP9)-dependent activation of CASP3 in the general apoptotic pathway. We have generated by gene trap a null allele of the murine Apaf1. Homozygous mutants die at embryonic day 16.5. Their phenotype includes severe craniofacial malformations, brain overgrowth, persistence of the interdigital webs, and dramatic alterations of the lens and retina. Homozygous embryonic fibroblasts exhibit reduced response to various apoptotic stimuli. In situ immunodetection shows that the absence of Apaf1 protein prevents the activation of Casp3 in vivo. In agreement with the reported function of CED-4 in C. elegans, this phenotype can be correlated with a defect of apoptosis. Our findings suggest that Apaf1 is essential for Casp3 activation in embryonic brain and is a key regulator of developmental programmed cell death in mammals.

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    Altschul, S. F., Gish, W., Miller, W., Myers, E. W., & Lipman, D. J. (1990) · Journal of Molecular Biology · doi:10.1006/jmbi.1990.9999 · Cited by 98,669

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Metadata

Authors
Cecconi, F., Alvarez-Bolado, G., Meyer, B. I., Roth, K. A., & Gruss, P.
Venue
Cell
Publisher
Elsevier BV
Published
1998-09
Volume
94
Issue
6
Pages
727-737
ISSN
0092-8674 (ISSN-L)
OpenAlex
W2085601531
Cited by
896
References
1
FWCI
28.14
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Apaf1 (CED-4 Homolog) Regulates Programmed Cell Death in Mammalian Development. https://app.cochat.ai/papers/10.1016/s0092-8674(00)81732-8
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Cecconi, F., Alvarez-Bolado, G., Meyer, B. I., Roth, K. A., & Gruss, P. (1998). Apaf1 (CED-4 Homolog) Regulates Programmed Cell Death in Mammalian Development. Cell. https://doi.org/10.1016/s0092-8674(00)81732-8

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