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Predictive biomarkers and specific immune responses of COVID-19 mRNA vaccine in patients with cancer: prospective results from the CACOV-VAC trial.
BMJ Oncol
December 2023
Université Franche-Comté, INSERM, EFS BFC, UMR1098 RIGHT Interactions Greffon-Hôte-Tumeur/Ingénierie Cellulaire et Génique, Besançon, France.
Objective: Vaccinated patients with cancer in follow-up studies showed a high seropositivity rate but impaired antibody titres and T cell responses following mRNA vaccine against COVID-19. Besides clinical characteristics and the type of anticancer treatment before vaccination, the identification of patients susceptible to non-response following vaccination using immunological markers is worth to be investigated.
Methods And Analysis: All patients (n=138, solid cancers) were included in the CACOV-VAC Study comprising three cohorts ((neo)-adjuvant, metastatic and surveillance).
Imaging of biphasic signalosomes constructed by checkpoint receptor 2B4 in conventional and chimeric antigen receptor-T cells.
iScience
January 2025
Department of Immunology, Tokyo Medical University, Tokyo 160-8402, Japan.
A co-signaling receptor, 2B4, has dual effects in immune cells, but its actual functions in T cells remain elusive. Here, using super-resolution imaging technology with an immunological synapse model, we showed that 2B4 forms "2B4 microclusters" immediately after 2B4-CD48 binding. A lipid phosphatase, SHIP-1, subsequently combined with 2B4 to form coinhibitory signalosomes, leading to the suppression of cytokine production.
View Article and Find Full Text PDFObjective: To explore the impact of molecular subtype in endometrial cancer (EC) on CD8+T cell densities. Furthermore, this work will test the assumption that all mismatch repair deficient (MMRd) tumours are immunologically similar which would enable current trial data to be generalised to all MMRd ECs.
Methods And Analysis: All tumours were characterised into the four clinical molecular subtypes.
In perennial allergic rhinitis, RQLQ is improved similarly by Azelastine 0.15 and mometasone furoate.
World Allergy Organ J
January 2025
Allergy & Asthma Solutions, Coto de Caza, CA, USA.
Unlabelled: Some double-blind, placebo-controlled trials have shown that Azelastine (Aze) high dose (0.15%) was effective in seasonal (SAR) and perennial allergic rhinitis (PAR). However, there was no long-term comparison between Aze 0.
View Article and Find Full Text PDFOncolytic reprogramming of tumor microenvironment shapes CD4 T-cell memory via the IL6ra-Bcl6 axis for targeted control of glioblastoma.
Nat Commun
January 2025
Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, USA.
Oncolytic viruses (OVs) emerge as a promising cancer immunotherapy. However, the temporal impact on tumor cells and the tumor microenvironment, and the nature of anti-tumor immunity post-therapy remain largely unclear. Here we report that CD4 T cells are required for durable tumor control in syngeneic murine models of glioblastoma multiforme after treatment with an oncolytic herpes simplex virus (oHSV) engineered to express IL-12.
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