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Chondroitin sulfate activates B cells in vitro, expands CD138+ cells in vivo, and interferes with established humoral immune responses
H. Brühl, J. Cihak, N. Goebel, Y. Talke, K. Renner, F. Hermann, M. Rodriguez-Gomez, B. Reich, J. Plachý, M. Stangassinger, M. Mack,
Jazyk angličtina Země Spojené státy americké
Typ dokumentu časopisecké články, práce podpořená grantem
Odkazy
PubMed
24555985
DOI
10.1189/jlb.1a0913-502r
Knihovny.cz E-zdroje
- MeSH
- aktivace lymfocytů účinky léků genetika MeSH
- antigeny CD44 genetika imunologie MeSH
- buňky kostní dřeně imunologie MeSH
- chondroitin sulfáty farmakologie MeSH
- humorální imunita účinky léků genetika MeSH
- intracelulární signální peptidy a proteiny genetika imunologie MeSH
- myši inbrední BALB C MeSH
- myši knockoutované MeSH
- myši MeSH
- plazmatické buňky imunologie MeSH
- pohyb buněk účinky léků imunologie MeSH
- proliferace buněk účinky léků MeSH
- syndekan-1 genetika imunologie MeSH
- toll-like receptor 4 genetika imunologie MeSH
- toll-like receptor 9 genetika imunologie MeSH
- tyrosinkinasy genetika imunologie MeSH
- zvířata MeSH
- Check Tag
- myši MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
Glycosaminoglycans have anti-inflammatory properties and interact with a variety of soluble and membrane-bound molecules. Little is known about their effects on B cells and humoral immune responses. We show that CS but not dextran or other glycosaminoglycans induces a pronounced proliferation of B cells in vitro compared with TLR4 or TLR9 ligands. With the use of inhibitors and KO mice, we demonstrate that this proliferation is mediated by the tyrosine kinases BTK and Syk but independent of CD44. Antibodies against Ig-α or Ig-β completely block CS-induced B cell proliferation. Injection of CS in mice for 4-5 days expands B cells in the spleen and results in a marked increase of CD138(+) cells in the spleen that is dependent on BTK but independent of CD4(+) T cells. Long-term treatment with CS for 14 days also increases CD138(+) cells in the bone marrow. When mice were immunized with APC or collagen and treated with CS for up to 14 days during primary or after secondary immune responses, antigen-specific humoral immune responses and antigen-specific CD138(+) plasma cells in the bone marrow were reduced significantly. These data show that CD138(+) cells, induced by treatment with CS, migrate into the bone marrow and may displace other antigen-specific plasma cells. Overall, CS is able to interfere markedly with primary and fully established humoral immune responses in mice.
2 University Hospital Regensburg Regensburg Germany
Departments of Internal Medicine 1 and
Institute for Animal Physiology University of Munich Munich Germany
Institute of Molecular Genetics Czech Academy of Sciences Prague Czech Republic
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- $a Glycosaminoglycans have anti-inflammatory properties and interact with a variety of soluble and membrane-bound molecules. Little is known about their effects on B cells and humoral immune responses. We show that CS but not dextran or other glycosaminoglycans induces a pronounced proliferation of B cells in vitro compared with TLR4 or TLR9 ligands. With the use of inhibitors and KO mice, we demonstrate that this proliferation is mediated by the tyrosine kinases BTK and Syk but independent of CD44. Antibodies against Ig-α or Ig-β completely block CS-induced B cell proliferation. Injection of CS in mice for 4-5 days expands B cells in the spleen and results in a marked increase of CD138(+) cells in the spleen that is dependent on BTK but independent of CD4(+) T cells. Long-term treatment with CS for 14 days also increases CD138(+) cells in the bone marrow. When mice were immunized with APC or collagen and treated with CS for up to 14 days during primary or after secondary immune responses, antigen-specific humoral immune responses and antigen-specific CD138(+) plasma cells in the bone marrow were reduced significantly. These data show that CD138(+) cells, induced by treatment with CS, migrate into the bone marrow and may displace other antigen-specific plasma cells. Overall, CS is able to interfere markedly with primary and fully established humoral immune responses in mice.
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