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  • Shahini, NegarOslo University Hospital, Norway;University of Oslo, Norway (author)

Complement component C3 and the TLR co-receptor CD14 are not involved in angiotensin II induced cardiac remodelling

  • Article/chapterEnglish2020

Publisher, publication year, extent ...

  • Elsevier,2020
  • printrdacarrier

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  • LIBRIS-ID:oai:DiVA.org:lnu-94799
  • https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-94799URI
  • https://doi.org/10.1016/j.bbrc.2020.01.018DOI

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  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

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  • Inflammation is centrally involved in the development of cardiac hypertrophy and the processes of remodelling. The complement system and Toll-like receptor (TLR) family, two upstream arms of the innate immune system, have previously been reported to be involved in cardiac remodelling. However, the role of complement component 3 (C3), TLR co-receptor CD14 and the synergy between them have not been addressed during pressure overload-induced cardiac remodelling. Here, we examined angiotensin II-induced cardiac hypertrophy and remodelling for 7 days in male C57Bl/6 J mice deficient in C3, CD14, or both (C3CD14), and WT controls. Angiotensin II infusion induced a mild concentric hypertrophic phenotype in WT mice with increased left ventricle weight, wall thicknesses and reduced ventricular internal diameter, associated with increased cardiac fibrosis. However, there were no differences between WT mice and mice deficient for C3, CD14 or C3CD14, as systolic blood pressure, cardiac function and structure and levels of fibrosis were comparable between WT mice and the three other genotypes. C5a did not change in angiotensin II treated mice, whereas Mac2 levels were increased in angiotensin II treated mice, but did not differ between genotypes. The inflammatory IL-6 response was comparable between WT and C3 deficient mice, however, it was decreased in CD14 and C3CD14 deficient mice. We conclude that deficiency in C3, CD14 or C3CD14 had no effect on cardiac remodelling following angiotensin II-induced pressure overload. This suggests that C3 and CD14 are not involved in angiotensin II-induced adverse cardiac remodelling. (C) 2020 Published by Elsevier Inc.

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  • Schjalm, CamillaOslo University Hospital, Norway;University of Oslo, Norway (author)
  • Nilsson, Per H.,1980-Linnéuniversitetet,Institutionen för kemi och biomedicin (KOB),Avancerade material,Oslo University Hospital, Norway;University of Oslo, Norway,Linnaeus Ctr Biomat Chem, BMC;HoRB(Swepub:lnu)enipe (author)
  • Holt, Margrethe FlesvigOslo University Hospital, Norway;University of Oslo, Norway (author)
  • Ogaard, Jonas D. S.Oslo University Hospital, Norway;University of Oslo, Norway (author)
  • Lien, EgilUMass Med Sch, USA;Norwegian Univ Sci & Technol, Norway (author)
  • Ahmed, Muhammad S.Oslo University Hospital, Norway;University of Oslo, Norway (author)
  • Attramadal, HavardOslo University Hospital, Norway;University of Oslo, Norway (author)
  • Aukrust, PalOslo University Hospital, Norway;University of Oslo, Norway;Norwegian Univ Sci & Technol, Norway (author)
  • Yndestad, ArneOslo University Hospital, Norway;University of Oslo, Norway (author)
  • Mollnes, Tom EirikOslo University Hospital, Norway;University of Oslo, Norway;Norwegian Univ Sci & Technol, Norway;Nordland Hosp, Norway;Univ Tromsö, Norway (author)
  • Louwe, Mieke C.Oslo University Hospital, Norway;University of Oslo, Norway (author)
  • Oslo University Hospital, Norway;University of Oslo, NorwayInstitutionen för kemi och biomedicin (KOB) (creator_code:org_t)

Related titles

  • In:Biochemical and Biophysical Research Communications - BBRC: Elsevier523:4, s. 867-8730006-291X1090-2104

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