SARS-Cov-2 caused the COVID-19 pandemic worldwide. ADAM17 functions as a disintegrin and transmembrane metalloproteinase domain protein involved in the regulation of SARS-CoV-2 receptor ACE2. However, its impact on cancer patients infected with COVID-19 and its correlation with immune cell infiltration is unclear. This study compared ADAM17 expression between normal and tumor tissues based on GEPIA. The correlations between ADAM17 expression and immune cell infiltration and immunomodulators were investigated. Besides, treated drugs for targeting ADAM17 were searched in the TISDB database. We found that ADAM17 was highly conserved in many species and was mainly expressed in lung, brain, female tissues, bone marrow and lymphoid tissues. It was also highly expressed in respiratory epithelial cells of rhinitis and bronchus. ADAM17 expression in tumors was higher than that in several paired normal tissues and was negatively correlated with the prognosis of patients with malignant tumors. Interestingly, ADAM17 expression significantly correlated with immunomodulators and immune cell infiltration in normal and tumor tissues. Moreover, eight small molecules targeting ADAM17 only demonstrate therapeutic significance. These findings imply important implications for ADAM17 in cancer patients infected with COVID-19 and provide new clues for development strategy of anti-COVID-19.
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http://dx.doi.org/10.3389/fimmu.2022.923516 | DOI Listing |
J Agric Food Chem
December 2024
Department of Clinical Veterinary Medicine, College of Veterinary Medicine, China Agricultural University, Yuanmingyuan West Road, Beijing 100193, China.
In clinical mastitis of dairy cows, the abnormal accumulation of apoptotic cells (ACs) and subsequent secondary necrosis and inflammation pose significant concerns, with macrophage-mediated efferocytosis, crucial for ACs clearance, remaining unexplored in this context. In nonruminants, MER proto-oncogene tyrosine kinase (MERTK) receptors are essential for efferocytosis and A Disintegrin and Metalloproteinase 17 (ADAM17) is thought to play a role in regulating MERTK integrity. This study aimed to delineate the in situ role of efferocytosis in clinical mastitis, with a particular focus on the interaction between MERTK and ADAM17 in bovine macrophages.
View Article and Find Full Text PDFHeliyon
December 2024
Department of Clinical Laboratory Medicine, Wenzhou Central Hospital, Dingli Clinical School of Wenzhou Medical University, Wenzhou, 325000, China.
Background: The relationship between tumour necrosis factor (TNF) levels and disease progression is well-established. However, the impact of changes in the level of TNF hydrolase (A-disintegrin and metalloenzyme 17; ADAM17) in HIV patients remains to be fully elucidated.
Methods: Between March 1 and December 31, 2017, data were collected from 64 HIV-positive individuals in Wenzhou.
Front Immunol
December 2024
Goethe University Frankfurt, University Hospital, Department of Trauma Surgery and Orthopedics, Frankfurt, Germany.
Background: Extracellular vesicles (EVs), a heterogeneous group of cell-derived, membrane-enclosed vesicles bearing cell-specific epitopes, have been demonstrated to play a crucial role in neuronal-glial communication and the orchestration of neuroinflammatory processes. However, the existing evidence regarding their function as biomarkers and their role in the pathobiology of traumatic spinal cord injuries (tSCI), particularly in humans, is scarce.
Objective: The primary goal of this study was to investigate whether a distinct pattern of EV surface epitopes detected in the plasma of individuals suffering from spinal cord injury is indicative of tSCI.
J Clin Invest
December 2024
Princess Margaret Cancer Centre, University Health Network, Toronto, Canada.
Understanding cell fate regulation in the liver is necessary to advance cell therapies for hepatic disease. Liver progenitor cells (LPC) contribute to tissue regeneration after severe hepatic injury yet signals instructing progenitor cell dynamics and fate are largely unknown. The Tissue Inhibitor of Metalloproteinases, TIMP1 and TIMP3 control the sheddases ADAM10 and ADAM17, key for NOTCH activation.
View Article and Find Full Text PDFInt J Pharm
December 2024
Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran. Electronic address:
Background: In this study, we investigate the impact of a multi-targeted therapeutic approach that includes camptothecin (CPT), a potent chemotherapeutic topoisomerase inhibitor; metformin (Met), a metabolic modulator with emerging anti-tumor effects; and GW280264X, an inhibitor of ADAM 10/ADAM 17 enzymes, which are associated with tumor invasion and immune response. The study aims to assess the combined effects of these agents in enhancing CD8 T cell-mediated anti-tumor immunity and suppressing cancer cell growth in triple-negative breast cancer (TNBC) models, both in vitro and in vivo.
Methods: Cell viability was performed on the 4 T1 human TNBC cell line.
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