In vivo labeling reveals that degranulation is increased under supraphysiological TCR stimulation, but not infection, in CD8+ T cells from old mice.

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Title: In vivo labeling reveals that degranulation is increased under supraphysiological TCR stimulation, but not infection, in CD8+ T cells from old mice.
Authors: Dahlquist KJV; Biochemistry, Molecular Biology, and Biophysics Graduate Program, Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota, Minneapolis, MN, USA.; Masonic Institute On the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota, Minneapolis, MN, USA.; Center for Immunology, University of Minnesota, Minneapolis, MN, USA., Dehm EM; Masonic Institute On the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota, Minneapolis, MN, USA.; Center for Immunology, University of Minnesota, Minneapolis, MN, USA.; Microbiology, Immunology, and Cancer Biology Graduate Program, University of Minnesota Medical School, Minneapolis, MN, USA., Smith DM; Masonic Institute On the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota, Minneapolis, MN, USA., Lucas ED; Center for Immunology, University of Minnesota, Minneapolis, MN, USA.; Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA., Pierson M; Center for Immunology, University of Minnesota, Minneapolis, MN, USA.; Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA., Hamilton SE; Center for Immunology, University of Minnesota, Minneapolis, MN, USA.; Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA., Camell CD; Biochemistry, Molecular Biology, and Biophysics Graduate Program, Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota, Minneapolis, MN, USA. ccamell@umn.edu.; Masonic Institute On the Biology of Aging and Metabolism, Department of Biochemistry, Molecular Biology, and Biophysics, University of Minnesota, Minneapolis, MN, USA. ccamell@umn.edu.; Center for Immunology, University of Minnesota, Minneapolis, MN, USA. ccamell@umn.edu.
Source: GeroScience [Geroscience] 2026 Feb; Vol. 48 (1), pp. 897-913. Date of Electronic Publication: 2025 Jun 06.
Publication Type: Journal Article; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
Journal Info: Publisher: Springer International Publishing Country of Publication: Switzerland NLM ID: 101686284 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 2509-2723 (Electronic) Linking ISSN: 25092723 NLM ISO Abbreviation: Geroscience Subsets: MEDLINE
Database: MEDLINE Ultimate
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ISSN:2509-2723
DOI:10.1007/s11357-025-01723-5