Related Experiment Video
Updated: Jan 8, 2026

Mouse Naïve CD4+ T Cell Isolation and In vitro Differentiation into T Cell Subsets
Published on: April 16, 2015
T cell-intrinsic PRR signaling in immunity and pathology
Yixuan Shi1, Meng Wang1, Baodi Dai1
1Shanghai Institute of Biochemistry and Cell Biology, Center for Excellence in Molecular Cell Science, Chinese Academy of Sciences, University of Chinese Academy of Sciences, Shanghai 200031, China.
Pattern recognition receptors (PRRs) regulate T cell responses, integrating signals to control immunity and disease. This study explores PRR signaling in T cells to understand immune regulation and related disorders.
Area of Science:
- Immunology
- Cellular Biology
- Molecular Medicine
Background:
- T cells are key to adaptive immunity, activated by T-cell receptors (TCRs) and co-stimulatory signals.
- Conventional models don't fully explain how T cells sense threat types.
- Pattern recognition receptors (PRRs), typically in innate immunity, are now known to regulate T cell function.
Purpose of the Study:
- Investigate the role of T cell-intrinsic PRR signaling in immune responses.
- Elucidate molecular mechanisms of PRR-mediated T cell regulation.
- Understand PRR contributions to immune homeostasis and pathology.
Main Methods:
- Analysis of T cell-intrinsic PRR signaling pathways.
- Assessment of PRR impact on T cell function (cytokine production, proliferation, polarization).
- Investigation of PRR roles in disease models (viral infections, inflammation, cancer).
Main Results:
- T cell-intrinsic PRR signaling modulates cytokine production, proliferation, and polarization.
- PRR signaling shapes immune responses in various disease contexts.
- Identified key signaling pathways involved in PRR-mediated T cell regulation.
Conclusions:
- PRRs are critical regulators of T cell function, bridging innate and adaptive immunity.
- Understanding T cell-intrinsic PRR signaling offers new insights into immune-related disorders.
- This research uncovers an underappreciated paradigm for inflammatory and neoplastic diseases.
Related Concept Videos
T Cell Types and Functions
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
T Cell Activation and Clonal Selection
Naive T cells that have not yet encountered an antigen express two primary CD...
Cell-mediated Immune Responses
NF-κB-dependent Signaling Pathway
NF-κB-dependent Signaling Mechanism
The...
The Extrinsic Apoptotic Pathway
Cells of the Innate Immune Response
Phagocytes
Phagocytes police the peripheral tissues by removing cellular debris and responding to the invasion of foreign substances or pathogens. Many phagocytes attack and remove microorganisms even before lymphocytes detect them. The human body has two general...

