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Related Experiment Video

Updated: Jan 30, 2026

Fine-tuning the Size and Minimizing the Noise of Solid-state Nanopores

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Fine-Tuning Cytokine Signals.

Jian-Xin Lin¹, Warren J Leonard¹

¹Laboratory of Molecular Immunology and the Immunology Center, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland 20892-1674, USA; email: linjx@nhlbi.nih.gov , leonardw@nhlbi.nih.gov.

Annual Review of Immunology

|January 17, 2019

Summary

This study overviews cytokines, their signaling, and actions. It explores physiological and pharmacological strategies for fine-tuning cytokine signals, including STAT protein utilization and novel therapeutic antibodies.

Keywords:

STAT protein STAT tetramerization cytokine fine-tuning partial agonist superenhancers

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Area of Science:

Immunology
Cell Biology
Pharmacology

Background:

Cytokines are crucial polypeptide factors regulating immune and hematopoietic systems.
They are pleiotropic, influencing cell development, growth, survival, and differentiation.
Modulating cytokine signals has significant clinical implications, offering therapeutic potential.

Purpose of the Study:

To provide a comprehensive overview of cytokine signaling and actions.
To explore physiological mechanisms for fine-tuning cytokine activity.
To introduce pharmacological strategies for therapeutic cytokine modulation.

Main Methods:

Review of existing literature on cytokine biology and signaling pathways.
Analysis of the role of STAT proteins in cytokine signal transduction.
Examination of therapeutic approaches involving cytokine modulation.

Main Results:

Cytokines exert autocrine and paracrine effects, primarily in immune and hematopoietic functions.
STAT protein utilization and dimerization/tetramerization are key physiological fine-tuning mechanisms.
Pharmacological strategies include anticytokine antibodies and modified cytokines (agonists/antagonists).

Conclusions:

Fine-tuning cytokine signals is critical for both physiological homeostasis and treating diseases.
Understanding cytokine signaling pathways offers novel therapeutic avenues.
Advanced strategies like antibody therapies and engineered cytokines provide precise control over cytokine activity.