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Published on: March 14, 2020
Pattern recognition receptors: a contemporary view on liver diseases
Gyongyi Szabo1, Angela Dolganiuc, Pranoti Mandrekar
1Liver Center, Division of Gastroenterology, Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA. gyongyi.szabo@umassmed.edu
Abstract:
Pattern recognition receptors (PRRs) function as sensors of microbial danger signals enabling the vertebrate host to initiate an immune response. PRRs are present not only in immune cells but also in liver parenchymal cells and the complexity of the cell populations provide unique aspects to pathogen recognition and tissue damage in the liver. This review discusses the role of different PRRs in pathogen recognition in the liver, and focuses on the role of PRRs in hepatic inflammation, cholestasis, ischemia, repair and fibrosis. PRRs as novel therapeutic targets are evaluated.
Insights
Pattern recognition receptors (PRRs) sense microbial signals to trigger immune responses in the liver. This review explores PRR roles in liver health, disease, and as therapeutic targets.
Area of Science:
- Immunology
- Hepatology
- Microbiology
Background:
- Pattern recognition receptors (PRRs) are crucial for detecting microbial danger signals and initiating vertebrate immune responses.
- PRRs are expressed in various liver cells, including immune cells and hepatocytes, influencing pathogen recognition and liver injury.
- The liver's complex cellular environment presents unique challenges and opportunities for immune surveillance.
Purpose of the Study:
- To review the diverse roles of PRRs in pathogen recognition within the liver.
- To focus on the involvement of PRRs in hepatic inflammation, cholestasis, ischemia, tissue repair, and fibrosis.
- To evaluate the potential of PRRs as novel therapeutic targets for liver diseases.
Main Methods:
- Literature review of studies on PRRs in liver immunity.
- Analysis of PRR involvement in various liver pathologies.
- Evaluation of therapeutic strategies targeting PRRs.
Main Results:
- PRRs play a significant role in initiating immune responses to pathogens in the liver.
- PRRs are implicated in the pathogenesis of hepatic inflammation, cholestasis, ischemia, and fibrosis.
- Targeting PRRs shows promise for managing liver diseases.
Conclusions:
- PRRs are key regulators of liver immunity and disease.
- Understanding PRR function is vital for developing new therapies for liver conditions.
- PRRs represent promising targets for future therapeutic interventions in hepatology.
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