Cited by 54Virus-based gene therapy researchDNA Repair MechanismsCancer-related Molecular Pathways

Viral Single-Strand DNA Induces p53-Dependent Apoptosis in Human Embryonic Stem Cells

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Hirsch, Matthew L., Fagan, B. Matthew, Dumitru, Raluca, Bower, Jacquelyn J., Yadav, Swati, Porteus, Matthew H., Pevny, Larysa H., Samulski, R. Jude·2011·PLoS ONE

Abstract

Human embryonic stem cells (hESCs) are primed for rapid apoptosis following mild forms of genotoxic stress. A natural form of such cellular stress occurs in response to recombinant adeno-associated virus (rAAV) single-strand DNA genomes, which exploit the host DNA damage response for replication and genome persistence. Herein, we discovered a unique DNA damage response induced by rAAV transduction specific to pluripotent hESCs. Within hours following rAAV transduction, host DNA damage signaling was elicited as measured by increased gamma-H2AX, ser15-p53 phosphorylation, and subsequent p53-dependent transcriptional activation. Nucleotide incorporation assays demonstrated that rAAV transduced cells accumulated in early S-phase followed by the induction of apoptosis. This lethal signaling sequalae required p53 in a manner independent of transcriptional induction of Puma, Bax and Bcl-2 and was not evident in cells differentiated towards a neural lineage. Consistent with a lethal DNA damage response induced upon rAAV transduction of hESCs, empty AAV protein capsids demonstrated no toxicity. In contrast, DNA microinjections demonstrated that the minimal AAV origin of replication and, in particular, a 40 nucleotide G-rich tetrad repeat sequence, was sufficient for hESC apoptosis. Our data support a model in which rAAV transduction of hESCs induces a p53-dependent lethal response that is elicited by a telomeric sequence within the AAV origin of replication.

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Crossref · 10.1371/journal.pone.0027520

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  • The AAV ITR interacts with host proteins and can stimulate anti-viral and DNA damage response pathways.

    “it is known that the AAV ITR interacts with a number of host proteins and can stimulate anti-viral and DNA damage response pathways.12–16”

    From Adeno-Associated Virus Serotype-Specific Inverted Terminal Repeat Sequence Role in Vector Transgene Expression (2020) · cites this paper as [16]

    The Introduction (page unavailable) attributes a DNA damage response after AAV infection to the ITR sequence, and reports checkpoint activation. The paper does not establish the other attributed points: that the ITR interacts with host proteins or stimulates anti-viral response pathways. (LLM, conf=0.86)

    Experimental — accuracy not yet measured
  • AAV vectors can induce DNA-damage responses in cells such as hematopoietic stem and progenitor cells, compromising transduction efficacy, viability and engraftment capacity in vivo.

    “We and others have previously shown that AAV vectors can induce DNA-damage responses (DDR) in cells such as hematopoietic stem and progenitor cells (HSPCs), compromising the transduction efficacy, viability and engraftment capacity of these cells in vivo 26,28 .”
  • Microinjection of human embryonic stem cells with oligonucleotides containing the ITR sequence was sufficient to induce DDR and apoptosis in these cells.

    “In fact, microinjection of human embryonic stem cells with oligonucleotides containing the ITR sequence was sufficient to induce DDR and apoptosis in these cells 28 .”

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Authors
Hirsch, M. L., Fagan, B. M., Dumitru, R., Bower, J. J., Yadav, S., Porteus, M. H., Pevny, L. H., & Samulski, R. J.
Affiliations
  • University of North Carolina at Chapel Hill (US)
  • Stanford University (US)
Corresponding author
  • Hirsch, Matthew L.
  • Samulski, R. Jude
Venue
PLoS ONE
Published
2011-11-17
Volume
6
Issue
11
Pages
e27520
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2063552605
Cited by
53
References
41
Citations by year
2026: 4 · 2025: 9 · 2024: 3 · 2023: 1 · 2022: 3 · 2021: 5 · 2020: 5 · 2019: 4 · 2018: 2 · 2017: 2 · 2016: 1 · 2015: 4 · 2014: 3 · 2013: 5 · 2012: 2
FWCI
2.00
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, public-domain)
  • Europe PMC (PubMed Central) (publishedVersion, public-domain)
  • PubMed Central (publishedVersion, public-domain)
  • PubMed (publishedVersion)
  • Carolina Digital Repository (University of North Carolina at Chapel Hill) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • UNC Libraries
Funders
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (HL051818, P01HL051818, P01HL066973, HL 066973)
  • National Institute of General Medical Sciences (GM0529299)
  • National Institute of Allergy and Infectious Diseases (R01AI072176, AI072176)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Virus-based gene therapy research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
Keywords
human embryonic stem cells, adeno-associated virus, single-stranded DNA, p53-dependent apoptosis, DNA damage response, telomeric sequences, γH2AX, pluripotency, neuronal differentiation
MeSH terms
Dependovirus, Cells, Cultured, DNA Damage, DNA Replication, DNA, Single-Stranded, Fibroblasts, Flow Cytometry, Fluorescent Antibody Technique, Histones, Humans, Phosphorylation, RNA, Messenger, Blotting, Western, Signal Transduction, Tumor Suppressor Protein p53, Apoptosis, Embryonic Stem Cells, Real-Time Polymerase Chain Reaction

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