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Updated: Apr 26, 2026

Measuring Mitochondrial Function of Naïve and Effector CD8 T Cells
Published on: March 28, 2025
Cross talk between the metabolic and immune systems
1Machine Intelligence Unit, Indian Statistical Institute, 203 Barrackpore Trunk Road, Kolkata, 700108, India, namrata_t@isical.ac.in.
Insights
The immune system regulates metabolism, particularly during T lymphocyte activation. Understanding this interplay is crucial for metabolic disorders, cancer, and immune response research.
Area of Science:
- Immunology and Metabolism
- Cellular Signaling and Metabolic Regulation
Background:
- Metabolic disorders, cancer, and immune responses involve complex interactions between metabolic and cellular signaling pathways.
- The immune system plays a critical role in regulating host metabolism.
- Lymphocyte activation necessitates significant metabolic reprogramming to support cellular growth and function.
Purpose of the Study:
- To elucidate the integration of immune system signaling with metabolic functions.
- To understand how this interplay controls immune responses and metabolic processes.
- To provide insights into the metabolic demands of activated immune cells, focusing on T lymphocytes.
Main Methods:
- Review of existing literature on immune cell metabolism and signaling pathways.
- Analysis of T lymphocyte activation as a model system.
- Discussion of metabolic alterations in other immune cell types.
Main Results:
- Immune cell activation, especially T lymphocytes, triggers substantial metabolic demands.
- Specific signaling pathways within the immune system are intrinsically linked to metabolic regulation.
- Metabolic adjustments are essential for supporting the increased synthetic activities during immune responses.
Conclusions:
- The bidirectional communication between the immune system and metabolism is fundamental to immune function and overall health.
- Understanding these integrated systems offers potential therapeutic targets for metabolic and immune-related diseases.
- Further research into immune cell metabolism can advance the study of cancer and autoimmune disorders.
Abstract:
Understanding the interplay between metabolic and cellular signaling systems has emerged as a focus in the study of metabolic disorders, cancer, and immune responses. Immune system is active in the regulation of metabolism. Lymphocyte activation initiates a program of cell growth, proliferation, and differentiation that increase metabolic demand. Activated lymphocytes must alter their metabolism to support these increased synthetic activities. In this chapter, we describe how signaling via the immune system integrates with metabolic functions to control immune response and vice versa. It has been explained mainly in the context of T lymphocyte activation and, to a lesser detail, in other immune cell types.
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