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  1. AU="Beier, Katherine L"
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  1. Article: Tissue-Specific Dependence of Th1 Cells on the Amino Acid Transporter SLC38A1 in Inflammation.

    Sugiura, Ayaka / Beier, Katherine L / Chi, Channing / Heintzman, Darren R / Ye, Xiang / Wolf, Melissa M / Patterson, Andrew R / Cephus, Jacqueline-Yvonne / Hong, Hanna S / Lyssiotis, Costas A / Newcomb, Dawn C / Rathmell, Jeffrey C

    bioRxiv : the preprint server for biology

    2023  

    Abstract: Amino acid (AA) uptake is essential for T cell metabolism and function, but how tissue sites and inflammation affect ... ...

    Abstract Amino acid (AA) uptake is essential for T cell metabolism and function, but how tissue sites and inflammation affect CD4
    Language English
    Publishing date 2023-09-13
    Publishing country United States
    Document type Preprint
    DOI 10.1101/2023.09.13.557496
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: MTHFD2 is a metabolic checkpoint controlling effector and regulatory T cell fate and function.

    Sugiura, Ayaka / Andrejeva, Gabriela / Voss, Kelsey / Heintzman, Darren R / Xu, Xincheng / Madden, Matthew Z / Ye, Xiang / Beier, Katherine L / Chowdhury, Nowrin U / Wolf, Melissa M / Young, Arissa C / Greenwood, Dalton L / Sewell, Allison E / Shahi, Shailesh K / Freedman, Samantha N / Cameron, Alanna M / Foerch, Patrik / Bourne, Tim / Garcia-Canaveras, Juan C /
    Karijolich, John / Newcomb, Dawn C / Mangalam, Ashutosh K / Rabinowitz, Joshua D / Rathmell, Jeffrey C

    Immunity

    2021  Volume 55, Issue 1, Page(s) 65–81.e9

    Abstract: Antigenic stimulation promotes T cell metabolic reprogramming to meet increased biosynthetic, bioenergetic, and signaling demands. We show that the one-carbon (1C) metabolism enzyme methylenetetrahydrofolate dehydrogenase 2 (MTHFD2) regulates de novo ... ...

    Abstract Antigenic stimulation promotes T cell metabolic reprogramming to meet increased biosynthetic, bioenergetic, and signaling demands. We show that the one-carbon (1C) metabolism enzyme methylenetetrahydrofolate dehydrogenase 2 (MTHFD2) regulates de novo purine synthesis and signaling in activated T cells to promote proliferation and inflammatory cytokine production. In pathogenic T helper-17 (Th17) cells, MTHFD2 prevented aberrant upregulation of the transcription factor FoxP3 along with inappropriate gain of suppressive capacity. MTHFD2 deficiency also promoted regulatory T (Treg) cell differentiation. Mechanistically, MTHFD2 inhibition led to depletion of purine pools, accumulation of purine biosynthetic intermediates, and decreased nutrient sensor mTORC1 signaling. MTHFD2 was also critical to regulate DNA and histone methylation in Th17 cells. Importantly, MTHFD2 deficiency reduced disease severity in multiple in vivo inflammatory disease models. MTHFD2 is thus a metabolic checkpoint to integrate purine metabolism with pathogenic effector cell signaling and is a potential therapeutic target within 1C metabolism pathways.
    MeSH term(s) Animals ; Cell Differentiation ; Cytokines/metabolism ; DNA Methylation ; Disease Models, Animal ; Humans ; Inflammation/immunology ; Inflammation Mediators/metabolism ; Lymphocyte Activation ; Mechanistic Target of Rapamycin Complex 1/metabolism ; Methylenetetrahydrofolate Dehydrogenase (NADP)/genetics ; Methylenetetrahydrofolate Dehydrogenase (NADP)/metabolism ; Mice ; Mice, Transgenic ; Mutation/genetics ; Purines/biosynthesis ; Signal Transduction ; T-Lymphocytes, Regulatory/immunology ; Th17 Cells/immunology
    Chemical Substances Cytokines ; Inflammation Mediators ; Purines ; Methylenetetrahydrofolate Dehydrogenase (NADP) (EC 1.5.1.5) ; Mechanistic Target of Rapamycin Complex 1 (EC 2.7.11.1)
    Language English
    Publishing date 2021-11-11
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 1217235-2
    ISSN 1097-4180 ; 1074-7613
    ISSN (online) 1097-4180
    ISSN 1074-7613
    DOI 10.1016/j.immuni.2021.10.011
    Database MEDical Literature Analysis and Retrieval System OnLINE

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