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Vaccination with a DNA vaccine cocktail encoding TgROP2, TgROP5, TgROP9, TgROP16, TgROP17, and TgROP18 confers limited protection against Toxoplasma gondii in BALB/c mice.
Parasitol Res
December 2024
Tianjin Key Laboratory of Animal Molecular Breeding and Biotechnology, Institute of Animal Science and Veterinary, Tianjin Academy of Agricultural Sciences, Tianjin, 300381, China.
Toxoplasmosis is a foodborne zoonotic parasitic disease caused by Toxoplasma gondii, which seriously threatens to human health and causes economic losses. At present, there is no effective vaccine strategy for the prevention and control of toxoplasmosis. T.
View Article and Find Full Text PDFTGF-β regulates the release of breast cancer cell-derived extracellular vesicles and the sorting of their protein cargo by downregulating RAB27B expression.
J Extracell Vesicles
December 2024
Oncode Institute and Department of Cell and Chemical Biology, Leiden University Medical Center, Leiden, Netherlands.
Extracellular vesicles (EVs) are important mediators of intercellular communication in the tumour microenvironment. The cytokine transforming growth factor-β (TGF-β) facilitates cancer progression via EVs secreted by cancer cells, which act on recipient cells in the tumour microenvironment. However, the mechanisms of how TGF-β affects cancer cell EV release and composition are incompletely understood.
View Article and Find Full Text PDFCOVID-19 Pneumonia Diagnosed by Bronchoalveolar Lavage Fluid, With CD4 T-cell Depletion Contributing to Prolonged Infection: Two Case Reports.
Cureus
November 2024
Internal Medicine, Ishikawa Prefectural Central Hospital, Kanazawa, JPN.
Irrespective of the underlying disease, patients treated with cluster of differentiation 20 (CD20) antibodies have a higher risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) long or severe infection, and there are pitfalls in this diagnosis. We herein report two patients with COVID-19 pneumonia diagnosed by bronchoalveolar lavage fluid (BALF) during lymphoma remission. Nasopharyngeal swabs (NSs) were polymerase chain reaction (PCR)-negative for SARS-CoV-2, and the virus was only detectable in the lungs.
View Article and Find Full Text PDFCytokine screening identifies TNF to potentially enhance immunogenicity of pediatric sarcomas.
Front Immunol
December 2024
Department of Pediatrics, Children's Cancer Research Center, Kinderklinik München Schwabing, TUM School of Medicine, Technical University of Munich, Munich, Germany.
Introduction: Pediatric sarcomas, including osteosarcoma (OS), Ewing sarcoma (EwS) and rhabdomyosarcoma (RMS) carry low somatic mutational burden and low MHC-I expression, posing a challenge for T cell therapies. Our previous study showed that mediators of monocyte maturation sensitized the EwS cell line A673 to lysis by HLA-A*02:01/CHM1-specific allorestricted T cell receptor (TCR) transgenic CD8 T cells (CHM1 CD8 T cells).
Methods: In this study, we tested a panel of monocyte maturation cytokines for their ability to upregulate immunogenic cell surface markers on OS, EwS and RMS cell lines, using flow cytometry.
Prognostic value of tertiary lymphoid structures in triple-negative breast cancer: integrated analysis with the tumor microenvironment and clinicopathological features.
Front Immunol
December 2024
Translational Research Unit, Montpellier Cancer Institute Val d'Aurelle, Montpellier, France.
Background: In triple-negative breast cancer (TNBC), the most immunogenic breast cancer type, tumor-infiltrating lymphocytes (TILs) are an independent prognostic factor. Tertiary lymphoid structures (TLS) are an important TILs source, but they are not integrated in the current prognostic criteria.
Methods: In this retrospective study, TLS were assessed in hematein-eosin-saffron-stained (HES) histological sections from 397 early, chemotherapy-naive TNBC samples after primary surgical resection.
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