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Monocytes and pyrop...
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Svensson, Sara,1981Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials,Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Univ Gothenburg, Sahlgrenska Acad, Inst Clin Sci, Dept Biomat, Gothenburg, Sweden.
(author)
Monocytes and pyrophosphate promote mesenchymal stem cell viability and early osteogenic differentiation
- Article/chapterEnglish2022
Publisher, publication year, extent ...
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2022-01-15
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Springer Science and Business Media LLC,2022
Numbers
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LIBRIS-ID:oai:gup.ub.gu.se/313396
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https://gup.ub.gu.se/publication/313396URI
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https://doi.org/10.1007/s10856-021-06639-yDOI
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https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-191882URI
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-466645URI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Pyrophosphate-containing calcium phosphate implants promote osteoinduction and bone regeneration. The role of pyrophosphate for inflammatory cell-mesenchymal stem cell (MSC) cross-talk during osteogenesis is not known. In the present work, the effects of lipopolysaccharide (LPS) and pyrophosphate (PPi) on primary human monocytes and on osteogenic gene expression in human adipose-derived MSCs were evaluated in vitro, using conditioned media transfer as well as direct effect systems. Direct exposure to pyrophosphate increased nonadherent monocyte survival (by 120% without LPS and 235% with LPS) and MSC viability (LDH) (by 16-19% with and without LPS). Conditioned media from LPS-primed monocytes significantly upregulated osteogenic genes (ALP and RUNX2) and downregulated adipogenic (PPAR-gamma) and chondrogenic (SOX9) genes in recipient MSCs. Moreover, the inclusion of PPi (250 mu M) resulted in a 1.2- to 2-fold significant downregulation of SOX9 in the recipient MSCs, irrespective of LPS stimulation or culture media type. These results indicate that conditioned media from LPS-stimulated inflammatory monocytes potentiates the early MSCs commitment towards the osteogenic lineage and that direct pyrophosphate exposure to MSCs can promote their viability and reduce their chondrogenic gene expression. These results are the first to show that pyrophosphate can act as a survival factor for both human MSCs and primary monocytes and can influence the early MSC gene expression.
Subject headings and genre
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Pujari-Palmer, Michael,Dr.1978-Uppsala universitet,Tillämpad materialvetenskap,Science for Life Laboratory, SciLifeLab(Swepub:uu)micpa912
(author)
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Svensson, Johan,1978-Umeå universitet,Statistik,Umeå Univ, Umeå Sch Business Econ & Stat, Dept Stat, Umeå, Sweden.(Swepub:umu)josv0027
(author)
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Johansson, Anna,1963Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials,Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Univ Gothenburg, Sahlgrenska Acad, Inst Clin Sci, Dept Biomat, Gothenburg, Sweden.(Swepub:gu)xjannl
(author)
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Engqvist, Håkan,1972-Uppsala universitet,Tillämpad materialvetenskap(Swepub:uu)hakaengq
(author)
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Omar, O.Department of Biomedical Dental Sciences, College of Dentistry, Imam Abdulrahman bin Faisal University, Dammam, Saudi Arabia,Imam Abdulrahman Bin Faisal Univ, Coll Dent, Dept Biomed Dent Sci, Dammam, Saudi Arabia.
(author)
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Thomsen, Peter,1953Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap,Institute of Clinical Sciences, Department of Biomaterials,Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden,Univ Gothenburg, Sahlgrenska Acad, Inst Clin Sci, Dept Biomat, Gothenburg, Sweden.(Swepub:gu)xthope
(author)
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Göteborgs universitetInstitutionen för kliniska vetenskaper, Avdelningen för biomaterialvetenskap
(creator_code:org_t)
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In:Journal of Materials Science-Materials in Medicine: Springer Science and Business Media LLC33:10957-45301573-4838
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