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1 avril 2022
- doi: 10.1242/dmm.048921
- issn: 1754-8403
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info:eu-repo/semantics/altIdentifier/doi/10.1242/dmm.048921
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info:eu-repo/semantics/altIdentifier/pmid/35142349
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info:eu-repo/semantics/altIdentifier/eissn/1754-8411
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info:eu-repo/semantics/altIdentifier/urn/urn:nbn:ch:serval-BIB_A998E8F4BE9C4
info:eu-repo/semantics/openAccess , CC BY 4.0 , https://creativecommons.org/licenses/by/4.0/
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Diseases and hygiene Sickness Human beings--Diseases Morbidity Illness Sicknesses IllnessesCiter ce document
H.A. Rutherford et al., « A zebrafish reporter line reveals immune and neuronal expression of endogenous retrovirus. », Serveur académique Lausannois, ID : 10.1242/dmm.048921
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Résumé
Endogenous retroviruses (ERVs) are fossils left in our genome from retrovirus infections of the past. Their sequences are part of every vertebrate genome and their random integrations are thought to have contributed to evolution. Although ERVs are mainly silenced by the host genome, they have been found to be activated in multiple disease states, such as auto-inflammatory disorders and neurological diseases. However, the numerous copies in mammalian genomes and the lack of tools to study them make defining their role in health and diseases challenging. In this study, we identified eight copies of the zebrafish endogenous retrovirus zferv. We created and characterised the first in vivo ERV reporter line in any species. Using a combination of live imaging, flow cytometry and single-cell RNA sequencing, we mapped zferv expression to early T cells and neurons. Thus, this new tool identified tissues expressing ERV in zebrafish, highlighting a potential role of ERV during brain development and strengthening the hypothesis that ERV play a role in immunity and neurological diseases. This transgenic line is therefore a suitable tool to study the function of ERV in health and diseases.