ArticleJournal of immunology (Baltimore, Md. : 1950)2024
Multiple Immune and Genetic Mechanisms Contribute to Cmv5s-Driven Susceptibility and Tissue Damage during Acute Murine Cytomegalovirus Infection.
Article in Journal of immunology (Baltimore, Md. : 1950), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed, 1 citations in OpenAlex.
- Inflammation and Macrophage Loss Mark Increased Susceptibility in a Genetic Model of Acute Viral Infection-Induced Tissue Damage.Journal of immunology (Baltimore, Md. : 1950) · 2024Article
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
Abstract
The MHC class I molecule H-2Dk conveys resistance to acute murine CMV infection in both C57L (H-2Dk transgenic) and MA/My mice. M.H2k/b mice are on an MA/My background aside from a C57L-derived region spanning the MHC (Cmv5s), which diminishes this resistance and causes significant spleen histopathology. To hone in on the effector elements within the Cmv5s interval, we generated several Cmv5-recombinant congenic mouse strains and screened them in vivo, allowing us to narrow the phenotype-associated interval >6-fold and segment the genetic mechanism to at least two independent loci within the MHC region. In addition, we sought to further characterize the Cmv5s-associated phenotypes in their temporal appearance and potential direct relationship to viral load. To this end, we found that Cmv5s histopathology and NK cell activation could not be fully mirrored in the MA/My mice with increased viral dose, and that marginal zone destruction was the first apparent Cmv5s phenotype, being reliably quantified as early as 2 d postinfection in the M.H2k/b mice, prior to divergence in viral load, weight loss, or NK cell phenotype. Finally, we further dissect NK cell involvement, finding no intrinsic differences in NK cell function, despite increased upregulation of activation markers and checkpoint receptors. In conclusion, these data dissect the genetic and immunologic underpinnings of Cmv5 and reveal a model in which polymorphism within the MHC region of the genome leads to the development of tissue damage and corrupts protective NK cell immunity during acute viral infection.
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