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Anti-lymphocyte fun...
Anti-lymphocyte function-associated antigen-1 monoclonal antibody inhibits CD40 ligand-independent immune responses and prevents chronic vasculopathy in CD40 ligand-deficient mice.
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Corbascio, Matthias (författare)
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Mahanty, Harish (författare)
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- Österholm, Cecilia (författare)
- Lund University,Lunds universitet,Enheten för forskning kring njurfunktion och njursjukdom,Kirurgi,Forskargrupper vid Lunds universitet,Renal Research Unit,Surgery,Lund University Research Groups
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- Qi, Zhongquan (författare)
- Lund University,Lunds universitet,Enheten för forskning kring njurfunktion och njursjukdom,Kirurgi,Forskargrupper vid Lunds universitet,Renal Research Unit,Surgery,Lund University Research Groups
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Pearson, Thomas C (författare)
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Larsen, Christian P (författare)
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Freise, Chris E (författare)
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- Ekberg, Henrik (författare)
- Lund University,Lunds universitet,Enheten för forskning kring njurfunktion och njursjukdom,Kirurgi,Forskargrupper vid Lunds universitet,Renal Research Unit,Surgery,Lund University Research Groups
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(creator_code:org_t)
- 2002
- 2002
- Engelska.
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Ingår i: Transplantation. - 1534-6080. ; 74:1, s. 35-41
- Relaterad länk:
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http://www.ncbi.nlm....
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- BACKGROUND: Blockade of CD40 ligand (CD40L; CD154, gp39) is a potential treatment for autoimmune disease and allograft rejection. However, CD40L-/- mice are capable of mobilizing cellular immune responses to viral, parasitic, and intracellular bacterial infections as well as rejecting skin grafts with nearly the same efficiency as wild-type mice. CD40L-deficient mice (CD40L-/-) or wild-type mice treated with anti-CD40L develop chronic vasculopathy only 8 weeks after allogeneic heart transplantation. To overcome CD40L-independent immune responses, we used anti-lymphocyte function-associated antigen monoclonal antibody (LFA)-1, which has previously been shown to inhibit CD8+ immune responses. METHODS: We conducted mixed lymphocyte reactions, cytotoxicity assays, skin transplantation, and vascularized heterotopic heart transplantation in wild-type B6 and CD40L-deficient mice in the presence and absence of anti-LFA-1 to study the effects of anti-LFA-1 in the absence of CD40L signaling. RESULTS: Anti-LFA-1 inhibited proliferation of naïve CD40L-/- mixed leukocyte reactions and the lysis of donor targets by CD40L-/- cytotoxic T lymphocytes. Anti-LFA-1-treated CD40L-/- mice that received fully MHC-mismatched skin grafts showed significant prolongation of graft survival, with a median survival time of 55 days (mean 66 days) compared with 13 and 21 days in wild-type and CD40L-/- controls, respectively. CD40L-/- mice that received fully MHC-mismatched vascularized heart transplants treated with four doses of 200 microg of anti-LFA-1 at the time of transplantation did not develop any signs of chronic vasculopathy 150 days after transplantation. CONCLUSION: These results indicate that anti-LFA-1 can complement CD40L inhibition in the prevention of undesirable immune responses.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Kirurgi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Surgery (hsv//eng)
Nyckelord
- Skin Transplantation
- Postoperative Complications : prevention & control
- Postoperative Complications : immunology
- Knockout
- Mice
- Inbred C57BL
- Inbred C3H
- Inbred BALB C
- Male
- Heart Transplantation
- Graft Survival : immunology
- Graft Rejection : therapy
- Chronic Disease
- Cell Division : immunology
- CD40 Ligand : immunology
- CD40 Ligand : genetics
- Monoclonal : pharmacology
- Antibodies
- Graft Rejection : immunology
- Animal
- Support
- Non-U.S. Gov't
- T-Lymphocytes
- Cytotoxic : cytology
- Cytotoxic : immunology
- Transplantation
- Homologous
- Vascular Diseases : immunology
- Vascular Diseases : prevention & control
- Vascular Diseases : therapy
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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