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Cross-regulation between cytokine and microRNA pathways in T cells
Tiago Amado1, Nina Schmolka1, Hozaifa Metwally1
1Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal.
Abstract:
microRNA (miRNA) mediated regulation of protein expression has emerged as an important mechanism in T-cell physiology, from development and survival to activation, proliferation, and differentiation. One of the major classes of proteins involved in these processes are cytokines, which are both key input signals and major products of T-cell function. Here, we summarize the current data on the molecular cross-talk between cytokines and miRNAs: how cytokines regulate miRNA expression, and how specific miRNAs control cytokine production in T cells. We also describe the inflammatory consequences of deregulating the miRNA/cytokine axis in mice and humans. We believe this topical area will have key implications for immune modulation and treatment of autoimmune pathology.
Insights
MicroRNAs (miRNAs) regulate T-cell function by controlling cytokine production. Dysregulation of this miRNA-cytokine axis impacts immune responses and autoimmune diseases.
Area of Science:
- Immunology
- Molecular Biology
- Cell Biology
Background:
- MicroRNAs (miRNAs) are key regulators of gene expression, particularly in T-cell physiology.
- Cytokines are critical signaling molecules and products of T-cell function, influencing immune responses.
- The interplay between miRNAs and cytokines in T-cells is a rapidly evolving area of research.
Purpose of the Study:
- To summarize the molecular cross-talk between cytokines and miRNAs in T-cells.
- To elucidate how cytokines influence miRNA expression and vice versa.
- To describe the consequences of dysregulating the miRNA-cytokine axis in immune pathology.
Main Methods:
- Literature review and data synthesis on miRNA-cytokine interactions in T-cells.
- Analysis of studies investigating cytokine-mediated regulation of miRNA expression.
- Examination of research detailing miRNA-dependent control of cytokine production.
Main Results:
- Cytokines can modulate the expression of specific miRNAs within T-cells.
- Certain miRNAs directly regulate the production and secretion of various cytokines.
- The miRNA-cytokine axis plays a crucial role in T-cell activation, differentiation, and function.
Conclusions:
- The intricate molecular dialogue between cytokines and miRNAs is fundamental to T-cell homeostasis.
- Aberrant miRNA-cytokine interactions contribute to inflammatory conditions and autoimmune diseases.
- Targeting the miRNA-cytokine axis holds therapeutic potential for immune modulation and treating autoimmune pathology.
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