ArticleArquivos de gastroenterologia2026
COLORECTAL CANCER: IS THERE A T OR B CELL SIGNATURE RELATED TO THE PATIENT OUTCOME?
Article in Arquivos de gastroenterologia, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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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Abstract
backgroundColorectal cancer (CRC) is the third more common cancer with around 1.9 million people diagnosed in 2020. Age is an important risk factor for CRC development and older patients have the lowest survival rates which has been associated with age-related comorbidities and less aggressive treatment. Older individuals present a systemic low-level of chronic inflammation (inflammageing) and, at the same time, they develop a less efficient adaptive immune response, in addition to the changes in innate immunity with an overall negative impact in the immune response (immunosenescence). These processes contribute for tumor cell evasion of the immune surveillance and development of a tumor microenvironment (TME) favorable for metastatic spread.
objectiveT or B cell signature related to the patient outcome after therapy could be a very useful tool to anticipate the treatment of disease relapse or metastasis.
methodsWe evaluated 24 patients with CRC in a follow-up of at least 24 months and correlated with T and B cells subsets.
resultsWe found that patients with disease relapse (n=2) presented the highest levels of double negative B cells (B DN). Other patients with high levels of B DN were classified as CRC 2 group and presented also lower IgM memory and higher switched memory B cells.
conclusionOur findings suggest a possible exploratory association between alterations in B-cell subsets and clinical outcomes. A higher number of patients and further characterization of DN B cells are fundamental to use these cells as prognostic biomarker in CRC.
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