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Updated: Jan 23, 2026

Evaluation of Host-Pathogen Responses and Vaccine Efficacy in Mice
Published on: February 22, 2019
Dribbling through the host defence: targeting the TLRs by pathogens
Atul Udgata1,2, Komal Dolasia1,2, Sudip Ghosh3
1a Laboratory of Molecular Cell Biology, Centre for DNA Fingerprinting and Diagnostics (CDFD) , Hyderabad , India.
Pathogens evade immune defenses by subverting toll-like receptor (TLR) signaling. Understanding these evasion strategies and TLR roles in co-infections can guide the development of novel immunotherapeutics for various diseases.
Area of Science:
- Immunology
- Microbiology
- Pathogen Biology
Background:
- The immune system uses sensors like toll-like receptors (TLRs) to detect pathogens and initiate defense mechanisms.
- TLRs recognize diverse pathogen molecules, triggering immune responses crucial for infection prevention.
- Pathogens have evolved sophisticated strategies to evade or subvert TLR-mediated immunity for survival.
Purpose of the Study:
- To review recent advances in toll-like receptor (TLR) biology.
- To discuss pathogen strategies for subverting TLR signaling and evading host immune responses.
- To explore the role of TLRs in augmenting infection burden and disease severity during co-infections.
Main Methods:
- Literature review of recent advances in TLR biology.
- Analysis of pathogen strategies targeting TLR signaling pathways.
- Examination of TLR involvement in co-infection pathogenesis.
Main Results:
- Pathogens employ diverse tactics to bypass or inhibit TLR-driven immune responses.
- TLR signaling plays a critical role in modulating infection burden and disease severity, especially in co-infections.
- Understanding these interactions provides insights into host-pathogen dynamics.
Conclusions:
- Knowledge of TLR biology and pathogen subversion strategies is essential for combating infections.
- TLR-based immunotherapeutics hold promise for controlling infections and related pathophysiological disorders.
- Further research into TLRs can lead to novel treatment modalities for infectious diseases.
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