ArticleImmunology2005
Altered cytokine expression in mesenteric lymph nodes in a rat strain (Matsumoto Eosinophilic Shinshu) that spontaneously develops hypereosinophilia.
Article in Immunology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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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
3 citing papers in PubMed, 8 citations in OpenAlex.
- Cyba and Nox2 mutant rats show different incidences of eosinophilia in the genetic background- and sex-dependent manner.Experimental animals · 2023Article
- An interleukin-33 gene polymorphism is a modifier for eosinophilia in rats.Genes and immunity · 2013Article
- Synthetic double-stranded RNA enhances airway inflammation and remodelling in a rat model of asthma.Immunology · 2011Article
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Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Matsumoto Eosinophilic Shinshu (MES) rat is an inbred mutant strain that spontaneously develops systemic hypereosinophilia with eosinophilic inflammatory lesions similar to those associated with hypereosinophilic syndrome in humans and other mammals. To elucidate the pathogenic mechanisms that underlie these features of MES rats, we examined the pattern of cytokine gene expression in mesenteric lymph nodes (MLNs), the thymus, and peripheral blood mononuclear cells as well as the blood clinicopathology and MLN lymphocytic subsets of these animals. MES rats exhibited both leucocytosis, attributable in large part to hypereosinophilia and neutrophilia, and immunoglobulin M (IgM) and IgA gammaglobulinaemia, with increased titres of IgM autoantibodies to nuclear antigens. Reverse transcription and polymerase chain reaction analysis revealed that the amounts of interleukin (IL)-5, IL-4, eotaxin, and interferon-gamma mRNAs were increased in the MLN lymphocytes of MES rats compared with the corresponding values for Sprague-Dawley rats. Intraperitoneal administration of a monoclonal antibody specific for IL-5 resulted in an immediate suppression of hypereosinophilia and a delayed suppression of neutrophilia in MES rats. Flow cytometry revealed an increased percentage of CD3+ CD4- CD8- T lymphocytes in MLNs of MES rats. Our results suggest that the hypereosinophilia of MES rats results from an increased production of IL-5, and that the eosinophilic inflammatory lesions of these animals, which are largely restricted to the gut, may be related both to cytokine overexpression in MLNs and to T helper 1 and 2 immunological responses.
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