ArticleJCI insight2022
Activated CLL cells regulate IL-17F-producing Th17 cells in miR155-dependent and outcome-specific manners.
Article in JCI insight, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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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
2 citing papers in PubMed, 4 citations in OpenAlex.
- The role of Th17 cells in chronic lymphocytic leukemia: friend or foe?Blood advances · 2023Review
- Effects of ibrutinib on T-cell immunity in patients with chronic lymphocytic leukemia.Frontiers in immunology · 2022Review
Corrections and comments
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Authors and funding
14 authors at 3 institutions in 2 countries.
Funding
Abstract
Chronic lymphocytic leukemia (CLL) results from expansion of a CD5+ B cell clone that requires interactions with other cell types, including T cells. Moreover, patients with CLL have elevated levels of circulating IL-17A+ and IL-17F+ CD4+ T (Th17) cells, with higher numbers of IL-17A+ Th17 cells correlating with better outcomes. We report that CLL Th17 cells expressed more miR155, a Th17-differentiation regulator, than control Th17 cells, despite naive CD4+ T (Tn) cell basal miR155 levels being similar in both. We also found that CLL cells directly regulated miR155 levels in Tn cells, thereby affecting Th17 differentiation, by documenting that coculturing Tn cells with resting or activated (Bact) CLL cells altered the magnitude and direction of T cell miR155 levels; CLL Bact cells promoted IL-17A+ and IL-17F+ T cell generation by an miR155-dependent mechanism, confirmed by miR155 inhibition; coculture of Tn cells with CLL Bact cells led to a linear correlation between the degree and direction of T cell miR155 expression changes and production of IL-17F but not IL-17A; and Bact cell-mediated changes in Tn cell miR155 expression correlated with outcome, irrespective of IGHV mutation status, a strong prognostic indicator. These results identify a potentially unrecognized CLL Bact cell-dependent mechanism, upregulation of Tn cell miR155 expression and subsequent enhancement of IL-17F+ Th17 generation, that favors better clinical courses.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.