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| http://dx.doi.org/10.1016/j.cmi.2021.08.008 | DOI Listing |
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Intestinal permeability, food antigens and the microbiome: a multifaceted perspective.
Front Allergy
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Department of Medicine and Surgery, Pediatric Unit, University of Perugia, Perugia, Italy.
The gut barrier encompasses several interactive, physical, and functional components, such as the gut microbiota, the mucus layer, the epithelial layer and the gut mucosal immunity. All these contribute to homeostasis in a well-regulated manner. Nevertheless, this frail balance might be disrupted for instance by westernized dietary habits, infections, pollution or exposure to antibiotics, thus diminishing protective immunity and leading to the onset of chronic diseases.
View Article and Find Full Text PDFMixed lipopeptide-based mucosal vaccine candidate induces cross-variant immunity and protects against SARS-CoV-2 infection in hamsters.
Immunohorizons
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Department of Surgery, Faculty of Medicine and Dentistry, College of Health Sciences, University of Alberta, Edmonton, AB, Canada.
The global dissemination of SARS-CoV-2 led to a worldwide pandemic in March 2020. Even after the official downgrading of the COVID-19 pandemic, infection with SARS-CoV-2 variants continues. The rapid development and deployment of SARS-CoV-2 vaccines helped to mitigate the pandemic to a great extent.
View Article and Find Full Text PDFIdentification and characterization of CD83 and CD276 as markers of dendritic cells in olive flounder (Paralichthys olivaceus).
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Department of Marine Biology & Aquaculture, College of Marine Science, Gyeongsang National University, 455, Tongyeong, 650-160, Republic of Korea. Electronic address:
Dendritic cells (DCs) play a pivotal role in activating naïve T-cells and bridging innate and adaptive immunity. This study aimed to identify and characterize CD83 and CD276 as potential markers for DCs in olive flounder (Paralichthys olivaceus). Specific antibodies against these markers were developed and used to analyze their distribution in peripheral blood leukocytes (PBLs) and intestinal tissues.
View Article and Find Full Text PDFImmune evasion through mitochondrial transfer in the tumour microenvironment.
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Division of Cell Therapy, Chiba Cancer Center Research Institute, Chiba, Japan.
Cancer cells in the tumour microenvironment use various mechanisms to evade the immune system, particularly T cell attack. For example, metabolic reprogramming in the tumour microenvironment and mitochondrial dysfunction in tumour-infiltrating lymphocytes (TILs) impair antitumour immune responses. However, detailed mechanisms of such processes remain unclear.
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Mucosal Immunol
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Institute for Laboratory Animal Science, Hannover Medical School, Hannover, Germany.
Intestinal immune homeostasis relies on intestinal epithelial cells (IECs), which provide an efficient barrier, and warrant a state of tolerance between the microbiome and the mucosal immune system. Thus, proper epithelial microbial sensing and handling of microbes is key to preventing excessive immunity, such as seen in patients with inflammatory bowel disease (IBD). To date, the molecular underpinnings of these processes remain incompletely understood.
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