The DOI matches its Crossref record; 22 of the 22 references it cites were found in a registry or an index.
Definition of pRB- and p53-Dependent and -Independent Steps in HIRA/ASF1a-Mediated Formation of Senescence-Associated Heterochromatin Foci
Open accessAbstract
Cellular senescence is an irreversible proliferation arrest triggered by short chromosome telomeres, activated oncogenes, and cell stress and mediated by the pRB and p53 tumor suppressor pathways. One of the earliest steps in the senescence program is translocation of a histone chaperone, HIRA, into promyelocytic leukemia (PML) nuclear bodies. This relocalization precedes other markers of senescence, including the appearance of specialized domains of facultative heterochromatin called senescence-associated heterochromatin foci (SAHF) and cell cycle exit. SAHF represses expression of proliferation-promoting genes, thereby driving exit from the cell cycle. HIRA bound to another histone chaperone, ASF1a, drives formation of SAHF. Here, we show that HIRA's translocation to PML bodies occurs in response to all senescence triggers tested. Dominant negative HIRA mutants that block HIRA's localization to PML bodies prevent formation of SAHF, as does a PML-RARalpha fusion protein which disrupts PML bodies, directly supporting the idea that localization of HIRA to PML bodies is required for formation of SAHF. Significantly, translocation of HIRA to PML bodies occurs in the absence of functional pRB and p53 tumor suppressor pathways. However, our evidence indicates that downstream of HIRA's localization to PML bodies, the HIRA/ASF1a pathway cooperates with pRB and p53 to make SAHF, with the HIRA/ASF1a and pRB pathways acting in parallel. We present evidence that convergence of the HIRA/ASF1a and pRB pathways occurs through a DNAJ-domain protein, DNAJA2.
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Cites
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Cited by
Senescence-messaging secretome: SMS-ing cellular stress
Kuilman, T., & Peeper, D. S. (2009) · Nature Reviews Cancer · doi:10.1038/nrc2560 · Cited by 909
Cellular senescence and its effector programs
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The dynamic nature of senescence in cancer
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Molecular dissection of formation of senescence-associated heterochromatin foci
Zhang, R., Chen, W., & Adams, P. D. (2007) · Molecular and Cellular Biology · doi:10.1128/mcb.02019-06 · Cited by 415
Self-citationThe epigenetics of aging and neurodegeneration
Lardenoije, R., Iatrou, A., Kenis, G., Kompotis, K., Steinbusch, H. W. M., Mastroeni, D., Coleman, P., Lemere, C. A., Hof, P. R., van den Hove, D. L. A., et al. (2015) · Progress in Neurobiology · doi:10.1016/j.pneurobio.2015.05.002 · Cited by 381
Metadata
- Authors
- Ye, X., Zerlanko, B., Zhang, R., Somaiah, N., Lipinski, M., Salomoni, P., & Adams, P. D.
- Venue
- Molecular and Cellular Biology
- Publisher
- Informa UK Limited
- Published
- 2007-04-01
- Volume
- 27
- Issue
- 7
- Pages
- 2452-2465
- ISSN
- 0270-7306 (ISSN-L)
- 1098-5549
- OpenAlex
- W1990362454
- Cited by
- 162
- References
- 22
- FWCI
- 9.69
- Type
- journal article
- Language
- en
- Open access
- green
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- Ye, X., Zerlanko, B., Zhang, R., Somaiah, N., Lipinski, M., Salomoni, P., & Adams, P. D. (2007). Definition of pRB- and p53-Dependent and -Independent Steps in HIRA/ASF1a-Mediated Formation of Senescence-Associated Heterochromatin Foci. Molecular and Cellular Biology. https://doi.org/10.1128/mcb.01592-06
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