ArticleJournal of immunology (Baltimore, Md. : 1950)2010
An allelic variant of Crry in the murine Sle1c lupus susceptibility interval is not impaired in its ability to regulate complement activation.
Article in Journal of immunology (Baltimore, Md. : 1950), 2010. 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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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed, 2 citations in OpenAlex.
- Forward genetic approaches for elucidation of novel regulators of Lyme arthritis severity.Frontiers in cellular and infection microbiology · 2014Review
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
Abstract
The Sle1c subinterval on distal murine chromosome 1 confers loss of tolerance to chromatin. Cr2, which encodes complement receptors 1 and 2 (CR1/CR2; CD35/CD21), is a strong candidate gene for lupus susceptibility within this interval based on structural and functional alterations in its protein products. CR1-related protein/gene Y (Crry) lies 10 kb from Cr2 and encodes a ubiquitously expressed complement regulatory protein that could also play a role in the pathogenesis of systemic lupus erythematosus. Crry derived from B6.Sle1c congenic mice migrated at a higher m.w. by SDS-PAGE compared with B6 Crry, as a result of differential glycosylation. A single-nucleotide polymorphism in the first short consensus repeat of Sle1c Crry introduced a novel N-linked glycosylation site likely responsible for this structural alteration. Five additional single-nucleotide polymorphisms in the signal peptide and short consensus repeat 1 of Sle1c Crry were identified. However, the cellular expression of B6 and B6.Sle1c Crry and their ability to regulate the classical pathway of complement were not significantly different. Although soluble Sle1c Crry regulated the alternative pathway of complement more efficiently than B6 Crry, as a membrane protein, it regulated the alternative pathway equivalently to B6 Crry. These data fail to provide evidence for a functional effect of the structural alterations in Sle1c Crry and suggest that the role of Cr2 in the Sle1c autoimmune phenotypes can be isolated in recombinant congenic mice containing both genes.
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