A novel series of CCR5 antagonists were identified based on the redesign of Schering C. An SAR was established based on inhibition of CCR5 (RANTES) binding and these compounds exhibited potent inhibition of R5 HIV-1 replication in peripheral blood mononuclear cells.
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http://dx.doi.org/10.1016/j.bmcl.2011.02.058 | DOI Listing |
Biol Res
January 2025
Laboratory of Integrative Biology (LIBi), Centro de Excelencia en Medicina Traslacional (CEMT), Scientific and Technological Bioresource Nucleus (BIOREN), Universidad de La Frontera, Temuco, Chile.
Background: Gastric cancer (GC) is a significant cancer-related cause of death worldwide. GC's most used chemotherapeutic regimen is based on platinum drugs such as cisplatin (CDDP). However, CDDP chemoresistance reduces the survival rate of advanced GC.
View Article and Find Full Text PDFASN Neuro
January 2025
Department of Anatomy and Neurobiology, Virginia Commonwealth University, Richmond, Virginia, USA.
People living with HIV (PLWH) experience HIV-associated neurocognitive disorders (HAND), even though combination antiretroviral therapy (cART) suppresses HIV replication. HIV-1 transactivator of transcription (HIV-1 Tat) contributes to the development of HAND through neuroinflammatory and neurotoxic mechanisms. C-C chemokine 5 receptor (CCR5) is important in immune cell targeting and is a co-receptor for HIV viral entry into CD4+ cells.
View Article and Find Full Text PDFInt Immunopharmacol
January 2025
Department of Orthopaedic Surgery, Experimental Orthopaedics, Centre for Medical Biotechnology (ZMB/Biopark 1), University of Regensburg, Germany; Department of Orthopaedic Surgery, Asklepiosklinikum, Bad Abbach, Germany.
Extracellular vesicles from Rheumatoid arthritis (RA) derived synovial fibroblasts (EVs) have been implicated in the pathogenesis of RA, acting as mediators of cell-to-cell communication. This study aimed to elucidate the role of the chemokine receptor CCR5 and EVs positive for CCR5 (EVs) in RA, focusing on their impact on cartilage destruction and bone erosion in a rat model of Adjuvant-induced arthritis (AIA). In vivo experiments were conducted using AIA rats, treated with either EVs, EVs without CCR5 (EVs), or EVs which encapsulated the CCR5 antagonist Maraviroc.
View Article and Find Full Text PDFExp Neurol
December 2024
Department of Anesthesiology, Nanjing Drum Tower Clinical College of Xuzhou Medical University, Nanjing, China; Department of Anesthesiology, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China. Electronic address:
Postoperative cognitive dysfunction (POCD) is a common complication following surgeries involving general anesthesia. Although the CCL5-CCR5 axis is implicated in various neurological conditions, its role in POCD remains unclear. In our POCD model, we observed an increase in CCL5 and CCR5 levels concurrent with microglial activation and significant upregulation of inflammatory cytokines IL-6 and IL-1β.
View Article and Find Full Text PDFElife
December 2024
Department of Oncology, University of Oxford, Oxford, United Kingdom.
The immunosuppressive microenvironment in pancreatic ductal adenocarcinoma (PDAC) prevents tumor control and strategies to restore anti-cancer immunity (i.e. by increasing CD8 T-cell activity) have had limited success.
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