Complement genetics and susceptibility to inflammatory disease. Lessons from genotype-phenotype correlations
Santiago Rodríguez de Córdoba1
1Centro Investigaciones Biológicas and Ciber de Enfermedades Raras, Ramiro de Maeztu 9, 28040 Madrid, Spain.
Immunobiology
|May 26, 2015
Summary
Genetic variations in complement genes are linked to inflammatory diseases. Analyzing these complement gene variants offers new insights into disease mechanisms and potential therapeutic strategies.
Area of Science:
- Immunology
- Genetics
- Pathology
Background:
- Genome-wide studies link complement gene mutations/polymorphisms to inflammatory and tissue-damaging diseases.
- These complex disorders arise from genetic susceptibility combined with environmental factors.
- Complement dysregulation is a common factor, but specific disease mechanisms remain incompletely understood.
Purpose of the Study:
- To review how functional analysis of disease-associated complement genetic variants advances understanding of complement biology.
- To explore genotype-phenotype correlations in complement-related diseases.
- To highlight the therapeutic and diagnostic implications of these findings.
Main Methods:
- Review of genome-wide linkage and association studies.
- Analysis of functional consequences of complement genetic variants.
- Examination of genotype-phenotype correlations.
Main Results:
- Functional insights into complement variants are revealing disease mechanisms.
- Understanding genotype-phenotype correlations clarifies disease pathology.
- Research highlights novel therapeutic and diagnostic avenues.
Conclusions:
- Investigating complement genetic variants provides crucial insights into disease pathogenesis.
- This knowledge is vital for developing targeted therapies and diagnostics for inflammatory diseases.
- Focusing on complement biology advances understanding of complex genetic disorders.
More Related Videos
Related Concept Videos
01:29Pharmacogenetic Phenotypes: Alterations in Pharmacokinetics, Drug Targets and Biologic Milieu
125
Genetic variations significantly influence drug response through pharmacokinetics, receptor interactions, and biologic milieu modifications. Pharmacokinetic alterations impact drug metabolism and clearance, affecting efficacy and toxicity. Variants in drug-metabolizing enzymes, such as CYP2C9 and CYP2C19, alter drug activation and elimination. For example, CYP2C9 loss-of-function variants require lower warfarin doses to prevent excessive bleeding, while CYP2C19 variants reduce clopidogrel...
125
01:11Genome-wide Association Studies-GWAS
16.8K
Genome-wide association studies or GWAS are used to identify whether common SNPs are associated with certain diseases. Suppose specific SNPs are more frequently observed in individuals with a particular disease than those without the disease. In that case, those SNPs are said to be associated with the disease. Chi-square analysis is performed to check the probability of the allele likely to be associated with the disease.
GWAS does not require the identification of the target gene involved in...
GWAS does not require the identification of the target gene involved in...
16.8K
01:29Pharmacogenomics: Identification of New Drug Targets
91
Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
91
00:49Complementation Tests
6.6K
A complementation test is a simple cross to identify whether the two mutations are located on the same gene or different genes. It was first performed by Edward Lewis in the 1940s while working on fruit flies. He developed the test to identify the location and arrangement of different mutations on chromosomes.
Organisms heterozygous for different mutations are crossed pairwise in all combinations. If present on different genes, the mutations can complement each other by providing the missing...
Organisms heterozygous for different mutations are crossed pairwise in all combinations. If present on different genes, the mutations can complement each other by providing the missing...
6.6K
01:28Human Genetics
1.9K
Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
The complex relationship between genetics and psychology is observable through common biological components such...
1.9K
01:33Pleiotropy
44.2K
Pleiotropy is the phenomenon in which a single gene impacts multiple, seemingly unrelated phenotypic traits. For example, defects in the SOX10 gene cause Waardenburg Syndrome Type 4, or WS4, which can cause defects in pigmentation, hearing impairments, and an absence of intestinal contractions necessary for elimination. This diversity of phenotypes results from the expression pattern of SOX10 in early embryonic and fetal development. SOX10 is found in neural crest cells that form melanocytes,...
44.2K