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Updated: May 10, 2026

Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation
Published on: January 16, 2019
Toll-like receptors and human disease: lessons from single nucleotide polymorphisms
Yi-Tzu Lin1, Amanda Verma, Conrad P Hodgkinson
1Department of Medicine, Duke University Medical Center & Mandel Center for Hypertension and Atherosclerosis Research, Durham, NC 27710, USA.
Genetic variations in Toll-like receptors (TLRs), crucial for innate immunity, are linked to diseases like sepsis and asthma. This review explores how these genetic changes impact TLR function and disease development.
Area of Science:
- Immunology
- Genetics
Background:
- Toll-like receptors (TLRs) are vital proteins for the innate immune system, recognizing pathogen-associated molecular patterns.
- Genetic variations, specifically single nucleotide polymorphisms (SNPs), have been identified within TLRs and their signaling pathways.
Purpose of the Study:
- To review the impact of genetic variation on Toll-like receptor function.
- To explore the role of these genetic variations in the development of various human diseases.
Main Methods:
- Literature review of studies investigating TLRs and genetic polymorphisms.
- Analysis of the functional consequences of identified genetic variations.
- Correlation of genetic variations with disease prevalence and severity.
Main Results:
- Genetic variations in TLRs can alter their recognition of pathogen-associated molecular patterns.
- These alterations can lead to dysregulated immune responses.
- Specific polymorphisms are associated with increased susceptibility to diseases such as atherosclerosis, sepsis, asthma, and immunodeficiency.
Conclusions:
- Genetic variation significantly influences Toll-like receptor function.
- These functional changes are implicated in the pathogenesis of numerous human diseases.
- Understanding these genetic links is crucial for disease prevention and treatment strategies.
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