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Activation of endog...
Activation of endogenous retroviruses during brain development causes an inflammatory response
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- Jönsson, Marie E (author)
- Lund University,Lunds universitet,Molekylär neurogenetik,Forskargrupper vid Lunds universitet,Wallenberg Neurocentrum, Lund,Medicinska fakulteten,Molecular Neurogenetics,Lund University Research Groups,Wallenberg Neuroscience Centre, Lund,Faculty of Medicine
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- Garza, Raquel (author)
- Lund University,Lunds universitet,Molekylär neurogenetik,Forskargrupper vid Lunds universitet,Stamcellscentrum (SCC),Avdelningen för stamcellsforskning,Institutionen för laboratoriemedicin,Medicinska fakulteten,Molecular Neurogenetics,Lund University Research Groups,Stem Cell Center,Division of stem cell research,Department of Laboratory Medicine,Faculty of Medicine
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- Sharma, Yogita (author)
- Lund University,Lunds universitet,Utvecklings- och regenerativ neurobiologi,Forskargrupper vid Lunds universitet,Wallenberg Neurocentrum, Lund,Medicinska fakulteten,Developmental and Regenerative Neurobiology,Lund University Research Groups,Wallenberg Neuroscience Centre, Lund,Faculty of Medicine
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- Petri, Rebecca (author)
- Lund University,Lunds universitet,Molekylär neurogenetik,Forskargrupper vid Lunds universitet,Wallenberg Neurocentrum, Lund,Medicinska fakulteten,Molecular Neurogenetics,Lund University Research Groups,Wallenberg Neuroscience Centre, Lund,Faculty of Medicine
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- Södersten, Erik (author)
- Karolinska Institute
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- Johansson, Jenny G (author)
- Lund University,Lunds universitet,Molekylär neurogenetik,Forskargrupper vid Lunds universitet,Molecular Neurogenetics,Lund University Research Groups
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- Johansson, Pia A (author)
- Lund University,Lunds universitet,Molekylär neurogenetik,Forskargrupper vid Lunds universitet,Molecular Neurogenetics,Lund University Research Groups
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- Atacho, Diahann Am (author)
- Lund University,Lunds universitet,Molekylär neurogenetik,Forskargrupper vid Lunds universitet,Molecular Neurogenetics,Lund University Research Groups
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- Pircs, Karolina (author)
- Lund University,Lunds universitet,Molekylär neurogenetik,Forskargrupper vid Lunds universitet,Molecular Neurogenetics,Lund University Research Groups
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- Madsen, Sofia (author)
- Lund University,Lunds universitet,Molekylär neurogenetik,Forskargrupper vid Lunds universitet,Molecular Neurogenetics,Lund University Research Groups
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- Yudovich, David (author)
- Lund University,Lunds universitet,Avdelningen för molekylärmedicin och genterapi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Molecular Medicine and Gene Therapy,Department of Laboratory Medicine,Faculty of Medicine
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- Ramakrishnan, Ramprasad (author)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Målinriktade behandlingar för leukemi,Forskargrupper vid Lunds universitet,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine,Targeted therapies in leukemia,Lund University Research Groups
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- Holmberg, Johan (author)
- Karolinska Institutet,Karolinska Institute
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- Larsson, Jonas (author)
- Lund University,Lunds universitet,Avdelningen för molekylärmedicin och genterapi,Institutionen för laboratoriemedicin,Medicinska fakulteten,WCMM- Wallenberg center för molekylär medicinsk forskning,Division of Molecular Medicine and Gene Therapy,Department of Laboratory Medicine,Faculty of Medicine,WCMM-Wallenberg Centre for Molecular Medicine
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- Jern, Patric (author)
- Uppsala University,Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi,Science for Life Laboratory, SciLifeLab
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- Jakobsson, Johan (author)
- Lund University,Lunds universitet,Molekylär neurogenetik,Forskargrupper vid Lunds universitet,Molecular Neurogenetics,Lund University Research Groups
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(creator_code:org_t)
- 2021-03
- 2021
- English.
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In: EMBO Journal. - : EMBO Press. - 0261-4189 .- 1460-2075. ; 40:9
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Abstract
Subject headings
Close
- Endogenous retroviruses (ERVs) make up a large fraction of mammalian genomes and are thought to contribute to human disease, including brain disorders. In the brain, aberrant activation of ERVs is a potential trigger for an inflammatory response, but mechanistic insight into this phenomenon remains lacking. Using CRISPR/Cas9-based gene disruption of the epigenetic co-repressor protein Trim28, we found a dynamic H3K9me3-dependent regulation of ERVs in proliferating neural progenitor cells (NPCs), but not in adult neurons. In vivo deletion of Trim28 in cortical NPCs during mouse brain development resulted in viable offspring expressing high levels of ERVs in excitatory neurons in the adult brain. Neuronal ERV expression was linked to activated microglia and the presence of ERV-derived proteins in aggregate-like structures. This study demonstrates that brain development is a critical period for the silencing of ERVs and provides causal in vivo evidence demonstrating that transcriptional activation of ERV in neurons results in an inflammatory response.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Neurovetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Neurosciences (hsv//eng)
- NATURVETENSKAP -- Biologi -- Genetik (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Genetics (hsv//eng)
Keyword
- brain development
- CRISPR
- microglia
- transposable elements
- Trim28
Publication and Content Type
- ref (subject category)
- art (subject category)
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To the university's database
- By the author/editor
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Jönsson, Marie E
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Garza, Raquel
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Sharma, Yogita
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Petri, Rebecca
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Södersten, Erik
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Johansson, Jenny ...
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show more...
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Johansson, Pia A
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Atacho, Diahann ...
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Pircs, Karolina
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Madsen, Sofia
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Yudovich, David
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Ramakrishnan, Ra ...
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Holmberg, Johan
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Larsson, Jonas
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Jern, Patric
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Jakobsson, Johan
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show less...
- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Neurosciences
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Biological Scien ...
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and Genetics
- Articles in the publication
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EMBO Journal
- By the university
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Uppsala University
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Lund University
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Karolinska Institutet