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Printable Handouts
Navigable Slide Index
- Introduction
- Points to be addressed
- Conceptual paradigms in medicine evolve along history
- Supernatural and mystical paradigm
- Rational, observational, and scientific paradigm (1)
- Rational, observational, and scientific paradigm (2)
- Rational, observational, and scientific paradigm (3)
- Trends and paradigms in rheumatology and autoimmunity
- LE-cell phenomenon
- Postulates for autoimmune diseases
- Autoantibodies in autoimmune diseases
- Autoantibodies against chromatin antigens in SLE
- Autoantibodies against centromere proteins in SS
- Autoantibodies against tRNA synthetase in polymyositis
- Re-definition of celiac disease clinical spectrum
- Different antibodies in different autoimmune diseases
- Association between autoantibody and disease (1)
- Association between autoantibody and disease (2)
- Antigen modification
- Autoantibodies recognizing rods and rings structures
- Anti-rods and rings antibodies in HCV patients
- Anti-rods and rings antibodies recognize IMPDH-2
- Ribavirin induces polymerization of IMPDH-2
- Anti-IMPDH-2 antibodies develop along ribavirin treatment
- Tolerance to IMPDH2
- Sjögren’s syndrome
- SS-B/La mRNA expression in patients
- SS-A/Ro mRNA expression in patients
- Hyper expression of autoantigens in target tissues
- Autoantigens in scleroderma - nucleolus
- Autoantigens are involved in protein synthesis
- Possible roles of autoantibodies in autoimmune diseases (1)
- Association between autoantibodies and HLA
- Possible roles of autoantibodies in autoimmune diseases (2)
- Tolerance breakdown and autoimmunization
- Autoantibodies and clinical manifestations
- Temporal dissociation in autoimmunity
- Autoantibodies in rheumatoid arthritis (RA)
- Anti-CCP2 titer increases in RA
- The frequency of positive results for each ACPA increases
- Elevated cytokines in RA
- Autoantibodies precede primary biliary cirrhosis for decades
- Humoral autoimmune response in primary biliary cholangitis
- Anti-PDC-E2 increases in pre-clinical stages and PBC
- Anti-PDC-E2 avidity increases in pre-clinical stages and in PBC
- Increased number of autoantibodies in PBC
- Enhanced liver fibrosis (ELF) score
- ELF score in PBC and AMA+ BN
- ELF score correlates with AMA serum levels in BN individuals
- Lessons from pre-clinical studies in autoimmunity
Topics Covered
- Autoantibodies as important elements in the definition of the autoimmunity concept
- Basis for the association of autoantibodies and autoimmune diseases
- Autoantibodies that exert direct pathogenic effects and damage target tissues
- Autoantibodies targeting extracellular antigens
Links
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Talk Citation
Andrade, L.E.C. (2020, June 30). Pathogenic mechanisms of autoantibodies: circulating and local antibodies that form immune complexes [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved November 21, 2024, from https://doi.org/10.69645/GWGY1181.Export Citation (RIS)
Publication History
Financial Disclosures
- There are no commercial/financial matters to disclose.
Pathogenic mechanisms of autoantibodies: circulating and local antibodies that form immune complexes
Published on June 30, 2020
20 min
A selection of talks on Clinical Practice
Transcript
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0:00
Hello, my name is Luis Andrade.
I am an Associate Professor at Universidade Federal de Sao Paulo in Brazil.
I am also a medical consultant in immunology at Fleury Laboratory
and the Chair of the Quality Assessment and Standardization Committee at IUIS.
Today, we're going to talk about pathogenic mechanisms of autoantibodies.
0:27
In this lecture, I will show how autoantibodies
have been instrumental to the establishment of
the concept of autoimmunity and to the shaping of
the clinical spectrum of several autoimmune diseases.
Then I will explore the possible reasons for
the tight association between autoantibodies and autoimmune diseases.
Finally, I will explore the several mechanisms by
which autoantibodies play a pathogenic role.
0:55
Along the millennia, medicine has been going through
a continuous evolution in conceptual paradigms.
1:03
In ancient medicine, there was a prevailing supernatural and mystical paradigm.
1:11
Progressively, the conceptual paradigm evolved on
the basis of rational and objective exploration and experimentation,
and the establishment of
a scientific paradigm,
1:25
that contributed to the development of the current classification of
diseases and establishment of laboratory biomarkers for diagnosis and
monitoring, as well as the guiding for clinical examination.
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