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Initiation of DNA Fragmentation during Apoptosis Induces Phosphorylation of H2AX Histone at Serine 139

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Rogakou, Emmy P., Nieves-Neira, Wilberto, Boon, Chye, Pommier, Yves, Bonner, William M.·2000·Journal of Biological Chemistry

Abstract

Histone H2AX is a ubiquitous member of the H2A histone family that differs from the other H2A histones by the presence of an evolutionarily conserved C-terminal motif, -KKATQASQEY. The serine residue in this motif becomes rapidly phosphorylated in cells and animals when DNA double-stranded breaks are introduced into their chromatin by various physical and chemical means. In the present communication we show that this phosphorylated form of H2AX, referred to as gamma-H2AX, appears during apoptosis concurrently with the initial appearance of high molecular weight DNA fragments. gamma-H2AX forms before the appearance of internucleosomal DNA fragments and the externalization of phosphatidylserine to the outer membrane leaflet. gamma-H2AX formation is inhibited by N-benzyloxycarbonyl-Val-Ala-Asp-fluoromethyl ketone and the inhibitor of caspase-activated DNase, and it is induced when DNase I and restriction enzymes are introduced into cells, suggesting that any apoptotic endonuclease is sufficient to induce gamma-H2AX formation. These results indicate that gamma-H2AX formation is an early chromatin modification following initiation of DNA fragmentation during apoptosis.

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Research works printed but not linked: 13

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Metadata

Authors
Rogakou, E. P., Nieves-Neira, W., Boon, C., Pommier, Y., & Bonner, W. M.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2000-03
Volume
275
Issue
13
Pages
9390-9395
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2042119456
Cited by
708
References
49
FWCI
5.29
Type
journal article
Language
en
Open access
hybrid
Licence

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CoChat. (2026). Citation check: Initiation of DNA Fragmentation during Apoptosis Induces Phosphorylation of H2AX Histone at Serine 139. https://app.cochat.ai/papers/10.1074/jbc.275.13.9390
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Rogakou, E. P., Nieves-Neira, W., Boon, C., Pommier, Y., & Bonner, W. M. (2000). Initiation of DNA Fragmentation during Apoptosis Induces Phosphorylation of H2AX Histone at Serine 139. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.275.13.9390

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