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Updated: Mar 30, 2026

Immunometabolic Circuits in Infection for Advancing Host Directed Therapies
Published on: September 13, 2024
Immunometabolism: Cellular Metabolism Turns Immune Regulator
Róisín M Loftus1, David K Finlay2
1From the School of Biochemistry and Immunology and.
Insights
Immune cell metabolism is dynamic and essential for immune responses. Cellular metabolism directly regulates immune cell function, impacting growth, proliferation, and effector functions during immunological challenges.
Area of Science:
- Immunology
- Cellular Metabolism
- Biochemistry
Background:
- Immune cells exhibit dynamic growth, proliferation, and effector functions.
- Immune cells utilize distinct metabolic configurations for energy, biosynthesis, and longevity.
- Emerging evidence highlights direct roles of cellular metabolism in immune cell function regulation.
Purpose of the Study:
- To review distinct metabolic signatures of key immune cells.
- To explain how metabolic setups facilitate immune function.
- To discuss the integral role of intracellular metabolism in controlling immune responses.
Main Methods:
- Literature review of immune cell metabolism.
- Analysis of metabolic pathways in immune cells.
- Synthesis of current research on metabolism and immune function.
Main Results:
- Key immune cells possess unique metabolic profiles.
- Metabolic configurations directly support immune cell functions.
- Intracellular metabolism plays a critical role in immune response regulation.
Conclusions:
- Cellular metabolism is intrinsically linked to immune cell function.
- Understanding immune cell metabolic signatures is crucial for immunology.
- Metabolic regulation offers novel therapeutic targets for immune modulation.
Abstract:
Immune cells are highly dynamic in terms of their growth, proliferation, and effector functions as they respond to immunological challenges. Different immune cells can adopt distinct metabolic configurations that allow the cell to balance its requirements for energy, molecular biosynthesis, and longevity. However, in addition to facilitating immune cell responses, it is now becoming clear that cellular metabolism has direct roles in regulating immune cell function. This review article describes the distinct metabolic signatures of key immune cells, explains how these metabolic setups facilitate immune function, and discusses the emerging evidence that intracellular metabolism has an integral role in controlling immune responses.
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