Complement dysregulation and disease: from genes and proteins to diagnostics and drugs
Santiago Rodriguez de Cordoba1, Agustin Tortajada, Claire L Harris
1Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas and Centro de Investigación Biomédica en Enfermedades Raras, Ramiro de Maeztu 9, 28040 Madrid, Spain. srdecordoba@cib.csic.es
Insights
Genetic variations in complement proteins are linked to chronic and infectious diseases. Understanding these variations and complement pathways offers new therapeutic targets and personalized medicine approaches for better patient outcomes.
Area of Science:
- Immunology
- Genetics
- Pharmacology
Background:
- Genetic variations in complement system components and regulators are increasingly associated with chronic and infectious diseases.
- Recent advances in structural biology have elucidated the assembly, activation, and regulation of the alternative pathway C3 convertase.
Purpose of the Study:
- To explore the pathogenic mechanisms of complement-related disorders.
- To identify potential therapeutic targets within the complement system.
- To emphasize the role of understanding genetic and non-genetic risk factors in stratified medicine.
Main Methods:
- Functional characterization of complement protein variants.
- Structural analysis of complement system components.
- Review of existing literature on genetic associations and therapeutic strategies.
Main Results:
- Insights into pathogenic mechanisms of complement-related disorders derived from functional and structural studies.
- Identification of complement inhibitory therapies showing efficacy.
- Recognition of the potential for stratified medicine through comprehensive risk factor understanding.
Conclusions:
- Understanding complement genetics and pathways is crucial for developing targeted therapies.
- Complement inhibitory drugs show promise in altering disease progression.
- Stratified medicine approaches, informed by risk factors, can improve patient management through tailored treatments and diagnostics.
Abstract:
During the last decade, numerous studies have associated genetic variations in complement components and regulators with a number of chronic and infectious diseases. The functional characterization of these complement protein variants, in addition to recent structural advances in understanding of the assembly, activation and regulation of the AP C3 convertase, have provided important insights into the pathogenic mechanisms involved in some of these complement related disorders. This knowledge has identified potential targets for complement inhibitory therapies which are demonstrating efficacy and generating considerable expectation in changing the natural history of these diseases. Comprehensive understanding of the genetic and non-genetic risk factors contributing to these disorders will also result in targeting of the right patient groups in a stratified medicine approach through better diagnostics and individually tailored treatments, thereby improving management of patients.
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