About: Porcine reproductive and respiratory syndrome virus induces apoptosis through a mitochondria-mediated pathway

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Porcine reproductive and respiratory syndrome virus induces apoptosis through a mitochondria-mediated pathway
Creator	Lee, Sang-Myeong Kleiboeker, Steven
Source	Elsevier; Medline; PMC
abstract	Abstract As with a number of other viruses, Porcine reproductive and respiratory syndrome virus (PRRSV) has been shown to induce apoptosis, although the mechanism(s) involved remain unknown. In this study we have characterized the apoptotic pathways activated by PRRSV infection. PRRSV-infected cells showed evidence of apoptosis including phosphatidylserine exposure, chromatin condensation, DNA fragmentation, caspase activation (including caspase-8, 9, 3), and PARP cleavage. DNA fragmentation was dependent on caspase activation but blocking apoptosis by a caspase inhibitor did not affect PRRSV replication. Upregulation of Bax expression by PRRSV infection was followed by disruption of the mitochondria transmembrane potential, resulting in cytochrome c redistridution to the cytoplasm and subsequent caspase-9 activation. A crosstalk between the extrinsic and intrinsic pathways was demonstrated by dependency of caspase-9 activation on active caspase-8 and by Bid cleavage. Furthermore, in this study we provide evidence of the possible involvement of reactive oxygen species (ROS)-mediated oxidative stress in apoptosis induced by PRRSV. Our data indicated that cell death caused by PRRSV infection involves necrosis as well as apoptosis. In summary, these findings demonstrate mechanisms by which PRRSV induces apoptosis and will contribute to an enhanced understanding of PRRSV pathogenesis.
has issue date	2007-09-01(xsd:dateTime)
bibo:doi	10.1016/j.virol.2007.04.001
bibo:pmid	17488647
has license	els-covid
sha1sum (hex)	641fba8930688a3a0c95e376cdc04e5289410c8c
schema:url	https://doi.org/10.1016/j.virol.2007.04.001
resource representing a document's title	Porcine reproductive and respiratory syndrome virus induces apoptosis through a mitochondria-mediated pathway
has PubMed Central identifier	PMC7127477
has PubMed identifier	17488647
schema:publication	Virology
resource representing a document's body	covid:641fba8930688a3a0c95e376cdc04e5289410c8c#body_text
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