No Definite Evidence for Human Endogenous Retroviral HERV-W and HERV-H RNAS in Plasma of Latvian Patients Suffering from Multiple Sclerosis and Other Neurological Diseases

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dc.contributor.authorUžameckis, Dmitrijs
dc.contributor.authorČapenko, Svetlana
dc.contributor.authorLogina, Ināra
dc.contributor.authorMurovska, Modra
dc.contributor.authorBlomberg, Jonas
dc.contributor.institutionDepartment of Neurology and Neurosurgery
dc.contributor.institutionInstitute of Microbiology and Virology
dc.date.accessioned2021-06-21T06:20:01Z
dc.date.available2021-06-21T06:20:01Z
dc.date.issued2016-08-01
dc.descriptionPublisher Copyright: © 2016 by Jonas Blomberg.
dc.description.abstractMultiple sclerosis (MS) is a neurological disease of unknown aetiology. Several research groups reported an increased level of human endogenous retroviruses HERV-W and HERV-H RNAs in cerebrospinal fluid, plasma and supernatants of cell cultures from MS individuals. To quantify the abundance of extracellular virion-associated HERV, RNAs in blood, plasma samples from Latvian MS patients, patients with other neurological diseases (OND), as well as blood donors (BD), were retrospectively studied by using both our previously published and newly developed quantitative Real-time reverse transcription PCR assays (QPCRs) targeting different polymerase (pol) gene regions of HERV-W and HERV-H. Unspecific signals due to incomplete removal of DNA were monitored by running the assays with and without reverse transcription (RT±) in parallel. According to our score, a few MS, OND and healthy controls gave borderline signals simultaneously with both newly developed HERV-H and HERV-W QPCRs, but the rest were negative. All borderline positive samples also had small amounts of non-retroviral cellular mRNA with possible origin from cell-free circulating RNA fragments, apoptotic bodies or exosomes, which can mimic the previously described virus-like particles. The results do not confirm the previous reports on prevalence of HERV-H or-W virion-associated RNA in plasma of MS patients.en
dc.description.statusPeer reviewed
dc.format.extent11
dc.format.extent6174292
dc.identifier.citationUžameckis, D, Čapenko, S, Logina, I, Murovska, M & Blomberg, J 2016, 'No Definite Evidence for Human Endogenous Retroviral HERV-W and HERV-H RNAS in Plasma of Latvian Patients Suffering from Multiple Sclerosis and Other Neurological Diseases', Proceedings of the Latvian Academy of Sciences, Section B: Natural, Exact, and Applied Sciences, vol. 70, no. 4, pp. 182-192. https://doi.org/10.1515/prolas-2016-0029
dc.identifier.doi10.1515/prolas-2016-0029
dc.identifier.issn1407-009X
dc.identifier.urihttps://dspace.rsu.lv/jspui/handle/123456789/5333
dc.identifier.urlhttp://www.scopus.com/inward/record.url?scp=84983464099&partnerID=8YFLogxK
dc.language.isoeng
dc.relation.ispartofProceedings of the Latvian Academy of Sciences, Section B: Natural, Exact, and Applied Sciences
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectendogenous retrovirus
dc.subjectmultiple sclerosis
dc.subjectplasma
dc.subjectreal-time PCR
dc.subjectRNA.
dc.subject3.2 Clinical medicine
dc.subject1.6 Biological sciences
dc.subject1.1. Scientific article indexed in Web of Science and/or Scopus database
dc.subjectGeneral
dc.subjectSDG 3 - Good Health and Well-being
dc.titleNo Definite Evidence for Human Endogenous Retroviral HERV-W and HERV-H RNAS in Plasma of Latvian Patients Suffering from Multiple Sclerosis and Other Neurological Diseasesen
dc.type/dk/atira/pure/researchoutput/researchoutputtypes/contributiontojournal/article

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