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Dynamic P-glycoprotein expression in early and late memory states of human CD8 + T cells and the protective role of ruxolitinib.
Biomed Pharmacother
December 2024
Department of Biophysics and Cell Biology, Faculty of Medicine, University of Debrecen, Debrecen 4032, Hungary; Doctoral School of Molecular Cell and Immune Biology, University of Debrecen, Debrecen 4032, Hungary; Dean's office, Faculty of Pharmacy, University of Debrecen, Debrecen 4032, Hungary. Electronic address:
ABCB1/MDR-1/P-glycoprotein (Pgp) is an ABC transporter responsible for cancer cell multi-drug resistance. It is expressed in cytotoxic T lymphocytes (CTL). Eliminating sensitive cancer cells during high-dose chemotherapy can also damage immune cells.
View Article and Find Full Text PDFAntibodies to the RBD of SARS-CoV-2 spike mediate productive infection of primary human macrophages.
Nat Commun
December 2024
Department of Infectious Diseases, School of Immunology & Microbial Sciences, King's College London, London, SE1 9RT, UK.
The role of myeloid cells in the pathogenesis of SARS-CoV-2 is well established, in particular as drivers of cytokine production and systemic inflammation characteristic of severe COVID-19. However, the potential for myeloid cells to act as bona fide targets of productive SARS-CoV-2 infection, and the specifics of entry, remain unclear. Using a panel of anti-SARS-CoV-2 monoclonal antibodies (mAbs) we performed a detailed assessment of antibody-mediated infection of monocytes/macrophages.
View Article and Find Full Text PDFThe role of ruxolitinib in the management of acute GVHD.
Transfus Apher Sci
December 2024
University of Health Sciences, Ankara Oncology Training and Research Hospital, Department of Hematology & Apheresis Unit, Ankara, Turkey; Ankara Yildirim Beyazit University, School of Medicine, Department of Internal Medicine, Division of Hematology, Ankara, Turkey.
Background And Objectives: Following an allogeneic hematopoietic stem cell transplant (allo-HSCT), a primary cause of morbidity and mortality is still steroid-refractory acute graft-versus-host disease (SR-aGVHD). Recently, ruxolitinib, an oral inhibitor of JAK1 and JAK2, was approved for use in individuals suffering from SR-aGVHD. This study aimed to analyze the efficacy and toxicity of ruxolitinib in the real world.
View Article and Find Full Text PDFEfficacy of Ruxolitinib in the management of chronic GVHD.
Transfus Apher Sci
December 2024
University of Health Sciences, Ankara Oncology Training and Research Hospital, Department of Hematology & Apheresis Unit, Ankara, Turkey; Ankara Yildirim Beyazit University, School of Medicine, Department of Internal Medicine, Division of Hematology, Ankara, Turkey.
Objectives: Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is a potentially curative treatment for hematological diseases, with success rates improving due to advancements in conditioning regimens and new anti-graft versus host disease (GVHD) drugs. Ruxolitinib, an oral selective Janus kinase (JAK) 1 and 2 inhibitor has been used to mitigate the effects of various inflammatory and myeloproliferative syndromes, given the JAK kinase pathway's central role in cytokine signaling during inflammatory and immune processes. In this study we aimed to assess ruxolitinib's efficacy in patients with chronic GVHD (cGVHD).
View Article and Find Full Text PDFH19 promotes polarization and alternative splicing in tumor-associated macrophages, facilitating pancreatic cancer progression.
Cancer Lett
December 2024
Department of General Surgery, Pancreatic Disease Center, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China; Research Institute of Pancreatic Diseases, Shanghai Key Laboratory of Translational Research for Pancreatic Neoplasms, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China; State Key Laboratory of Oncogenes and Related Genes, Institute of Translational Medicine, Shanghai Jiao Tong University, Shanghai, 200025, China. Electronic address:
Tumor-associated macrophages (TAMs) play a crucial physiological role in the pancreatic tumor microenvironment. However, the role of long non-coding RNAs (lncRNAs) in TAMs within pancreatic tumors remains unclear. By lncRNA sequencing between TAMs and resident macrophages from normal tissues in pancreatic cancer, it is found that H19 is highly expressed in TAMs and is correlated with the prognosis and stages of pancreatic cancer.
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