{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T16:19:10Z","timestamp":1790266750709,"version":"4.1.0"},"reference-count":53,"publisher":"Microbiology Society","issue":"12","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015,12,1]]},"abstract":"<jats:p>Mesenchymal stem cells (MSCs) can be infected with prions and have been proposed as<jats:italic>in vitro<\/jats:italic>cell-based models for prion replication. In addition, autologous MSCs are of interest for cell therapy in neurodegenerative diseases. To the best of our knowledge, the effect of prion diseases on the characteristics of these cells has never been investigated. Here, we analysed the properties of MSCs obtained from bone marrow (BM-MSCs) and peripheral blood (PB-MSCs) of sheep naturally infected with scrapie \u2014 a large mammal model for the study of prion diseases. After three passages of expansion, MSCs derived from scrapie animals displayed similar adipogenic, chondrogenic and osteogenic differentiation ability as cells from healthy controls, although a subtle decrease in the proliferation potential was observed. Exceptionally, mesenchymal markers such as<jats:italic>CD29<\/jats:italic>were significantly upregulated at the transcript level compared with controls. Scrapie MSCs were able to transdifferentiate into neuron-like cells, but displayed lower levels of neurogenic markers at basal conditions, which could limit this potential. The expression levels of cellular prion protein (PrP<jats:sup>C<\/jats:sup>) were highly variable between cultures, and no significant differences were observed between control and scrapie-derived MSCs. However, during neurogenic differentiation the expression of PrP<jats:sup>C<\/jats:sup>was upregulated in MSCs. This characteristic could be useful for developing<jats:italic>in vitro<\/jats:italic>models for prion replication. Despite the infectivity reported for MSCs obtained from scrapie-infected mice and Creutzfeldt\u2013Jakob disease patients, protein misfolding cyclic amplification did not detect PrP<jats:sup>Sc<\/jats:sup>in BM- or PB-MSCs from scrapie-infected sheep, which limits their use for<jats:italic>in vivo<\/jats:italic>diagnosis for scrapie.<\/jats:p>","DOI":"10.1099\/jgv.0.000292","type":"journal-article","created":{"date-parts":[[2015,10,2]],"date-time":"2015-10-02T14:12:22Z","timestamp":1443795142000},"page":"3715-3726","source":"Crossref","is-referenced-by-count":13,"title":["Characterization of mesenchymal stem cells in sheep naturally infected with scrapie"],"prefix":"10.1099","volume":"96","author":[{"given":"Diego R.","family":"Mediano","sequence":"first","affiliation":[{"name":"Laboratorio de Gen\u00e9tica Bioqu\u00edmica, Instituto de Investigaci\u00f3n Agroalimentaria (IA2), IIS Arag\u00f3n, Universidad de Zaragoza, Zaragoza, 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Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Francisco J.","family":"V\u00e1zquez","sequence":"additional","affiliation":[{"name":"Laboratorio de Gen\u00e9tica Bioqu\u00edmica, Instituto de Investigaci\u00f3n Agroalimentaria (IA2), IIS Arag\u00f3n, Universidad de Zaragoza, Zaragoza, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana R.","family":"Remacha","sequence":"additional","affiliation":[{"name":"Laboratorio de Gen\u00e9tica Bioqu\u00edmica, Instituto de Investigaci\u00f3n Agroalimentaria (IA2), IIS Arag\u00f3n, Universidad de Zaragoza, Zaragoza, Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"\u00d3scar","family":"L\u00f3pez-P\u00e9rez","sequence":"additional","affiliation":[{"name":"Laboratorio de Gen\u00e9tica Bioqu\u00edmica, Instituto de Investigaci\u00f3n Agroalimentaria (IA2), IIS Arag\u00f3n, Universidad de Zaragoza, Zaragoza, Spain"},{"name":"Centro de Investigaci\u00f3n en Encefalopat\u00edas y 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