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12' MUCOSAL IMMUNITY

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ANTIBODY RESPONSES (B, Th2) EFFECTIVE AGAINST EXTRACELLULAR PARASITES ... Incidence of prototypical infectious diseases and immune disorders 1950 to 2000 ... – PowerPoint PPT presentation

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Title: 12' MUCOSAL IMMUNITY


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12. MUCOSAL IMMUNITY
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13. TRANSPLANTATION
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14. ANTI-TUMOUR IMMUNITY
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15. REGULATION OF IMMUNE RESPONSES
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MECHANISMS OF Treg
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DEVELOPMENT AND SELECTION IN THYMUS ALSO
Treg!!!
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BASIC DOGMA OF THE ADAPTIVE RESPONSE ANTIBODY
RESPONSES (B, Th2) EFFECTIVE AGAINST
EXTRACELLULAR PARASITESINFLAMMATORY RESPONSES
(Th1, Tc) EFFECTIVE AGAINST INTRACELLULAR
PARASITES MUTUAL COMPETITION Th1 vs. Th2
(REGULATION BY POSITIVE FEEDBACK)WRONG CHOICE
OF THE Th1 vs. Th2 RESPONSE
CAN BE FATAL (LEPROSY)
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Th1 x Th2 (they dont like each other )IFNg
vs. IL-4
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16. IMMUNOPATOLOGIC REACTIONS - ALLERGIES
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Incidence of prototypical infectious diseases and
immune disorders 1950 to 2000
N Engl J Med, Vol 347, No. 12, 09/2002
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HUGE INCREASE OF ALLERGIES AS
CIVILIZATION DISEASES Epidemiological studies
- hygienic hypothesis Early childhood on a
(primitive) farm (mycobacteria, LPS?) Intestinal
parasites Breast feeding Non/pasteurized milk
Good intestinal flora Hepatitis A Diesel
exhaust particles? Life style in general (DDR
vs. FRG, Turkish immigrants, anthroposophy..)
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17. IMMUNOPATOLOGIC AUTOIMMUNE REACTIONS
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18.IMMUNODEFICIENCIES
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Nu/nu mouse (athymic)
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19. IMMUNOPROPHYLAXIS AND IMMUNOTERAPY
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MARKED SUCCESS THERAPEUTIC MONOCLONAL
ANTIBODIES Discovery 1976, Nobel prize
1984.Not patentedgt15 years technical
difficulties in therapeutic uses Last cca 10
years huge progress (humanized mAb), most
dynamic field of pharmaceutic industry, sales
over 20 billion USD per yearCca 30 approved
by FDA, other cca 100 under testing
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HOPEFULLY IN FUTURE- BETTER VACCINES (HIV,
WEAK AND TUMOR ANTIGENS?)- BETTER
IMMUNOSUPPRESSION (AUTOIMMUNE DISEASES,
ALLERGIES, TRANSPLANTATION)- EFFECTIVE
IMMUNOTHERAPIES OF TUMOURS (A WEAK SPOT OF
IMMUNITY)
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