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Kidney Transplantation
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Best treatment of chronic renal failure
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HEMODIALYSIS
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PERITONEAL DIALYSIS
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Renal transplantation needs donor kidney
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Organ Source Cadaver Living donor
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Yalnız kalp atacak
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HLA TYPING HLA ANTIGENS A B C DR LOCUS HLA A21,A24,B7,B9,DR22
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MAJOR HISTOCOMPATABILITY COMPLEX
Class I - present on almost all nucleated cells (interesting exceptions include sperm and the cells of the trophoblast). Class II- present on Antigen Presenting Cells (macrophages, B cells, and dendritic cells). Class III- are not surface molecules, but instead are various proteins typically which have some immunological role (C2,C4,Tumor necrosis factor alpha and beta, various HSPs) Human HLA region [Highly Simplified version !] ---DP--DQ--DR C4--C2--Bf B--C--A--- Protein Products: DPa and DPb Complement HLA-B (a) DQa and DQb TNF a & b HLA-C (a) DRa and DRb HSP proteins HLA-A (a)
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Human MHC genes are highly polymorphic
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HLA TYPING A-MATCH…FULL B-MATCH..ONE ANTIGEN DIFFERENT
C-MATCH..TWO ANTIGENS DIFFERENT …..SO ON THE MORE CLOSER TO A-MATCH, THE MORE SUCCESSFULL KIDNEY TRANSPLANTATION
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RECIPIENT SHOULD NOT HAVE ANY INFECTION
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IMMUNUSUPRESSION
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The TcR-CD3 complex on helper (CD4+) or cytotoxic/suppressor (CD8+) T cells
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IMMUNOSUPRESSIVE AGENTS
T-CELL BLOCKERS GLUCOCORTICOIDS SITOTOXIC AGENTS MONOCLONAL ANTIBODIES
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T-CELL BOCKERS CYCLOSPORINE-A TACROLIMUS SIROLIMUS
CYCLOSPORINE AND TACROLIMUS ARE SELECTIVE CALCINEURIN INHIBITORS INHIBITION OF Th INDUCTION WHICH IS ACTIVATED BY IL-2
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NFAT :Nuclear factor of activated T-cells
FKBP: FK Binding protein
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TOXIC EFFECTS OF TACROLIMUS AND CYCLOSPORINE
. NEPHROTOXICITY (C>T) . NEUROTOXICITY (T>C) . GASTROINTESTINAL PROBLEMS(T) . HYPERTENSION(C>>T) . HYPERKALEMIA(T) . HPERGLICEMIA AND DIABETES(T>C) . INFECTION AND MALIGN TUMORS(BOTH)
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SIROLIMUS(RAPAMYCINE)
Blockage of mTOR kinase Side Effects: Hyperlipidemia Anemia Leucopenia, trombositopenia Fever GI effects, Hypo and hyperkalemia
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IMMUNOSUPRESSIVE EFFECTS OF GLUCOCORTICOIDS
-Inhibition of release of cytokines in T-Cells -Inhibition of antibody production in B-Cells -Inhibition of macrophages,monocytes,PMNL’s -Blockage of complement system
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SIDE EFFECS OF STEROIDS
-Cushing Syndrome -Glucose intolerance -Infections -Osteoporosis -Muscle weakness
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Antineoplastic drugs as immunosupressive agents
-Mycophenolat Mofetil (Inhibition of IMP dehydrogenase) -Azathioprine (Inhibition of nucleotid synthesis) -Cyclophosphamide (Alkylating agents ) -Methotrexate (Inhibitor of dihydrofolate reductase)
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BIOLOGIC IMMUNOSUPPRESSION
-Antilymphosite globulines(Polyclonal antibodies) (Atgam, timoglobulin) -Anti-CD3 monoclonal antibodies (OKT3, muromonab-CD3) all -mab, -imab and -umab suffixes -Anti-Tac, Anti-CD25 monoclonal antibodies (Basiliximab, daclizumab) Anti-CD25 Monoclonal Antibodies (Basiliximab and Daclizumab) Anti-CD52 Monoclonal Antibody Alemtuzumab (Campath-1h) Anti-CD20 (Rituximab) Monoclonal Antibodies to Adhesion Molecules anti–LFA-1 mAb (efalizumab) anti-CD4 mAb (priliximab)
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PROF. DR. MEHMET A. HABERAL
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16 DECEMBER 2006
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Kidney transplantation:
Meryem (28 years old) Kidney transplantation: 7 June 1997 Marriage : 2001 Baby : 2002
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THE END
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