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- Title
A global view of T cell metabolism in systemic lupus erythematosus.
- Authors
Goetz, Andrew; Cagmat, Joy; Brusko, Maigan; Brusko, Todd M.; Rushin, Anna; Merritt, Matthew; Garrett, Timothy; Morel, Laurence; Dixit, Purushottam
- Abstract
Impaired metabolism is recognized as an important contributor to pathogenicity of T cells in Systemic Lupus Erythematosus (SLE). Over the last two decades, we have acquired significant knowledge about the signaling and transcriptomic programs related to metabolic rewiring in healthy and SLE T cells. However, our understanding of metabolic network activity derives largely from studying metabolic pathways in isolation. Here, we argue that enzymatic activities are necessarily coupled through mass and energy balance constraints with in-built network-wide dependencies and compensation mechanisms. Therefore, metabolic rewiring of T cells in SLE must be understood in the context of the entire network, including changes in metabolic demands such as shifts in biomass composition and cytokine secretion rates as well as changes in uptake/excretion rates of multiple nutrients and waste products. As a way forward, we suggest cell physiology experiments and integration of orthogonal metabolic measurements through computational modeling towards a comprehensive understanding of T cell metabolism in lupus.
- Subjects
SYSTEMIC lupus erythematosus; T cells; CELL metabolism; CELL physiology
- Publication
Frontiers in Immunology, 2024, p1
- ISSN
1664-3224
- Publication type
Article
- DOI
10.3389/fimmu.2024.1371708