Sökning: onr:"swepub:oai:DiVA.org:lnu-39138" >
Early Cytokine Rele...
Early Cytokine Release in Response to Live Borrelia burgdorferi Sensu Lato Spirochetes Is Largely Complement Independent
-
- Sandholm, Kerstin (författare)
- Linnéuniversitetet,Institutionen för kemi och biomedicin (KOB),Linnaeus Ctr Biomat Chem, BMC,Linnaeus Univ, Ctr Biomat Chem, Kalmar, Sweden,Linneaues University, Kalmar
-
- Henningsson, Anna J (författare)
- Linköpings universitet,Avdelningen för mikrobiologi och molekylär medicin,Hälsouniversitetet,Ryhov County Hospital Jönköping
-
- Säve, Susanne (författare)
- Linnéuniversitetet,Institutionen för kemi och biomedicin (KOB),Linnaeus Ctr Biomat Chem, BMC,Linnaeus Univ, Ctr Biomat Chem, Kalmar, Sweden,Linneaues University, Kalmar
-
visa fler...
-
- Bergström, Sven (författare)
- Umeå universitet,Institutionen för molekylärbiologi (Medicinska fakulteten),University of Umeå
-
- Forsberg, Pia (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Avdelningen för mikrobiologi och molekylär medicin,Hälsouniversitetet,Infektionskliniken i Östergötland
-
- Jonsson, Nina (författare)
- Uppsala universitet,Linnéuniversitetet,Institutionen för kemi och biomedicin (KOB),Linnaeus Ctr Biomat Chem, BMC,Linnaeus Univ, Ctr Biomat Chem, Kalmar, Sweden,Institutionen för immunologi, genetik och patologi,Linneaues University, Kalmar, University Uppsala
-
- Ernerudh, Jan (författare)
- Östergötlands Läns Landsting,Linköpings universitet,Avdelningen för inflammationsmedicin,Hälsouniversitetet,Klinisk immunologi och transfusionsmedicin
-
- Nilsson Ekdahl, Kristina (författare)
- Uppsala universitet,Linnéuniversitetet,Institutionen för kemi och biomedicin (KOB),Linnaeus Ctr Biomat Chem, BMC,Linnaeus Univ, Ctr Biomat Chem, Kalmar, Sweden,Klinisk immunologi,Linneaues University, Kalmar, University Uppsala
-
visa färre...
-
(creator_code:org_t)
- 2014-09-29
- 2014
- Engelska.
-
Ingår i: PLOS ONE. - : Public Library of Science (PLoS). - 1932-6203. ; 9:9, s. e108013-
- Relaterad länk:
-
https://doi.org/10.1...
-
visa fler...
-
https://journals.plo...
-
https://umu.diva-por... (primary) (Raw object)
-
https://uu.diva-port... (primary) (Raw object)
-
https://liu.diva-por... (primary) (Raw object)
-
https://urn.kb.se/re...
-
https://doi.org/10.1...
-
https://urn.kb.se/re...
-
https://urn.kb.se/re...
-
https://urn.kb.se/re...
-
visa färre...
Abstract
Ämnesord
Stäng
- Aim: Here we investigated the role of complement activation in phagocytosis and the release of cytokines and chemokines in response to two clinical isolates: Borrelia afzelii K78, which is resistant to complement-mediated lysis, and Borrelia garinii LU59, which is complement-sensitive. Methods: Borrelia spirochetes were incubated in hirudin plasma, or hirudin-anticoagulated whole blood. Complement activation was measured as the generation of C3a and sC5b-9. Binding of the complement components C3, factor H, C4, and C4BP to the bacterial surfaces was analyzed. The importance of complement activation on phagocytosis, and on the release of cytokines and chemokines, was investigated using inhibitors acting at different levels of the complement cascade. Results: 1) Borrelia garinii LU59 induced significantly higher complement activation than did Borrelia afzelii K78. 2) Borrelia afzelii K78 recruited higher amounts of factor H resulting in significantly lower C3 binding. 3) Both Borrelia strains were efficiently phagocytized by granulocytes and monocytes, with substantial inhibition by complement blockade at the levels of C3 and C5. 4) The release of the pro-inflammatory cytokines and chemokines IL-1 beta, IL-6, TNF, CCL20, and CXCL8, together with the anti-inflammatory IL-10, were increased the most (by>10-fold after exposure to Borrelia). 5) Both strains induced a similar release of cytokines and chemokines, which in contrast to the phagocytosis, was almost totally unaffected by complement blockade. Conclusions: Our results show that complement activation plays an important role in the process of phagocytosis but not in the subsequent cytokine release in response to live Borrelia spirochetes.
Ämnesord
- NATURVETENSKAP -- Biologi -- Immunologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Immunology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Immunologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Immunology in the medical area (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
Nyckelord
- Immunologi
- Immunology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
Hitta via bibliotek
-
PLOS ONE
(Sök värdpublikationen i LIBRIS)
Till lärosätets databas