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Kidney Transplantation. Best treatment of chronic renal failure.

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Presentation on theme: "Kidney Transplantation. Best treatment of chronic renal failure."— Presentation transcript:

1 Kidney Transplantation

2 Best treatment of chronic renal failure

3 HEMODIALYSIS

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9 PERITONEAL DIALYSIS

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12 Renal transplantation needs donor kidney

13 Organ Source Cadaver Living donor

14 Yalnız kalp atacak

15 HLA TYPING HLA ANTIGENS A B C DR LOCUS HLA A21,A24,B7,B9,DR22

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18 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) MAJOR HISTOCOMPATABILITY COMPLEX

19 Human MHC genes are highly polymorphic

20 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

21 RECIPIENT SHOULD NOT HAVE ANY INFECTION

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30 IMMUNUSUPRESSION

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33 The TcR-CD3 complex on helper (CD4+) or cytotoxic/suppressor (CD8+) T cells

34 IMMUNOSUPRESSIVE AGENTS 1. T-CELL BLOCKERS 2. GLUCOCORTICOIDS 3. SITOTOXIC AGENTS 4.MONOCLONAL ANTIBODIES

35 T-CELL BOCKERS 1. CYCLOSPORINE-A 2. TACROLIMUS 3. SIROLIMUS CYCLOSPORINE AND TACROLIMUS ARE SELECTIVE CALCINEURIN INHIBITORS INHIBITION OF Th INDUCTION WHICH IS ACTIVATED BY IL-2

36 TOXIC EFFECTS OF TACROLIMUS AND CYCLOSPORINE. NEPHROTOXICITY (S>T). NEUROTPXICITY (T>S). GASTROINTESTINAL PROBLEMS(T). HYPERTENSION(S>>T). HYPERKALEMIA(T). HPERGLICEMIA AND DIABETES(T>S). INFECTION AND MALIGN TUMORS(BOTH)

37 SIROLIMUS(RAPAMYCINE) -Blockage of mTOR kinase -Side Effects: -Hyperlipidemia -Anemia -Leucopenia, trombositopenia -Fever -GI effects, -Hypo and hyperkalemia

38 NFAT :Nuclear factor of activated T-cells FKBP: FK Binding protein

39 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

40 SIDE EFFECS OF STEROIDS -Cushing Syndrome -Glucose intolerance -Infections -Osteoporosis -Muscle weakness

41 - Mycophenolat Mofetil (Inhibition of IMP dehydrogenase) -Azathioprine (Inhibition of nucleotid synthesis) -Cyclophosphamide (Alkylating agents ) -Methotrexate (Inhibitor of dihydrofolate reductase) Antineoplastic drugs as immunosupressive agents

42 -Antilymphosite globulines (Atgam, timoglobulin) -Anti-CD3 monoklonal antibodies (OKT3, muromonab-CD3) -Anti-Tac, Anti-CD25 monoklonal antibodies (Basiliximab, daclizumab) ANTITHYMOCYTE ANTIBODIES

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45 PROF. DR. MEHMET A. HABERAL

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47 16 DECEMBER 2006

48 Meryem (28 years old) Kidney transplantation: 7 June 1997 Marriage : 2001 Baby : 2002

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53 THE END


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