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Immunity to intracellular pathogens as a complex genetic trait.
Igor Kramnik1, Victor Boyartchuk
1Department of Immunology and Infectious Diseases, Harvard School of Public Health, Boston, MA 02115, USA. ikramnik@hsph.harvard.edu
Current Opinion in Microbiology
|February 9, 2002
Summary
Host genetics significantly impact infectious disease susceptibility, but immune system control is unclear. Genetic analysis, especially in mouse models, reveals new resistance genes for intracellular pathogens.
Area of Science:
- Immunology
- Genetics
- Infectious Diseases
Background:
- Host heredity plays a crucial role in infectious disease susceptibility.
- The genetic control mechanisms underlying immunity to infection are not fully understood.
- Understanding genetic factors is key to addressing infectious disease pathogenesis.
Purpose of the Study:
- To review the advancements in genetic analysis of host resistance to infections.
- To highlight the discovery of novel genetic determinants of host resistance.
- To explore the contribution of genetic loci to immunity against intracellular pathogens.
Main Methods:
- Utilizing advances in experimental and epidemiological analyses of complex genetic traits.
- Employing mouse models of infectious diseases to identify genetic loci.
- Analyzing the quantitative and qualitative contributions of individual genetic loci.
Main Results:
- Novel genetic loci controlling susceptibility to intracellular pathogens have been identified.
- The influence of these genetic loci varies based on pathogen virulence and host genetic background.
- Genetic analysis provides insights into the mechanisms of host immunity and pathogenesis.
Conclusions:
- Genetic analysis of host resistance is vital for understanding host immunity.
- This approach deepens our knowledge of the pathogenesis of intracellular infections.
- Further research into host-pathogen genetic interactions is warranted.