AI Article Synopsis
Article Abstract
The possibility that P2X₇ receptor (P2X₇R) expression in microglia would mediate neuronal damage via reactive oxygen species (ROS) production was examined in the APPswe/PS1dE9 mouse model of Alzheimer's disease (AD). P2X7R was predominantly expressed in CD11b-immunopositive microglia from 3 months of age before Abeta plaque formation. In addition, gp91phox, a catalytic subunit of NADPH oxidase, and ethidium fluorescence were detected in P2X₇R-positive microglial cells of animals at 6 months of age, indicating that P2X₇R-positive microglia could produce ROS. Postsynaptic density 95-positive dendrites showed significant damage in regions positive for P2X₇R in the cerebral cortex of 6 month-old mice. Taken together, up-regulation of P2X₇R activation and ROS production in microglia are parallel with Aβ increase and correlate with synaptotoxicity in AD.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3041940 | PMC |
| http://dx.doi.org/10.3858/emm.2011.43.1.001 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Using the Key Characteristics Framework to Unlock the Mysteries of Aryl Hydrocarbon Receptor-Mediated Effects on the Immune System.
Annu Rev Immunol
January 2025
3Department of Environmental Medicine and Department of Microbiology and Immunology, University of Rochester, Rochester, New York, USA; email:
Initially discovered for its role mediating the deleterious effects of environmental contaminants, the aryl hydrocarbon receptor (AHR) is now known to be a crucial regulator of the immune system. The expanding list of AHR ligands includes synthetic and naturally derived molecules spanning pollutants, phytochemicals, pharmaceuticals, and substances derived from amino acids and microorganisms. The consequences of engaging AHR vary, depending on factors such as the AHR ligand, cell type, immune challenge, developmental state, dose, and timing of exposure relative to the immune stimulus.
View Article and Find Full Text PDFALC-0315 Lipid-Based mRNA LNP Induces Stronger Cellular Immune Responses Postvaccination.
Mol Pharm
January 2025
Ningbo No.2 Hospital, Ningbo, Zhejiang 315010, P. R. China.
At the end of 2019, SARS-CoV-2 emerged and rapidly spread, having a profound negative impact on human health and socioeconomic conditions. In response to this unprecedented global health crisis, significant advancements were made in the mRNA vaccine technology. In this study, we have compared the difference between two SARS-CoV-2 receptor-binding domain (RBD) mRNA-Lipid nanoparticle (LNP) vaccines prepared from two different ionizable cationic lipids: ALC-0315 and MC3.
View Article and Find Full Text PDFA phase 1 trial of prizloncabtagene autoleucel, a CD19/CD20 CAR T-cell therapy for relapsed/refractory B-cell non-Hodgkin lymphoma.
Blood
January 2025
Tongji Hospital, Tongji University School of Medicine, Shanghai, China.
Prizloncabtagene autoleucel (prizlon-cel), a novel bispecific chimeric antigen receptor (CAR) T-cell, targets and eliminates CD19/CD20 positive tumor cells. This phase 1, open-label study investigated the safety and efficacy of prizlon-cel in patients with relapsed/refractory B-cell non-Hodgkin Lymphoma (r/r B-NHL). Patients with CD19 and/or CD20-positive r/r B-NHL received a 3-day lymphodepletion (cyclophosphamide: 300 mg/m2/d; fludarabine: 30 mg/m2/d) followed by an intravenous dose of prizlon-cel.
View Article and Find Full Text PDFSurvival with Trastuzumab Emtansine in Residual HER2-Positive Breast Cancer.
N Engl J Med
January 2025
From the National Surgical Adjuvant Breast and Bowel Project (NSABP) Foundation (C.E.G., E.P.M., N.W., P.R., I.L.W., A.M.B.) and University of Pittsburgh School of Medicine-UPMC Hillman Cancer Center (C.E.G., N.W., P.R., A.M.B.) - both in Pittsburgh; AGO-B and Helios Klinikum Berlin-Buch, Berlin (M.U.), the National Center for Tumor Diseases, Heidelberg University Hospital, and German Cancer Research Center, Heidelberg (A.S.), Evangelische Kliniken Gelsenkirchen, Gelsenkirchen (H.H.F.), Arbeitsgemeinschaft Gynäkologische Onkologie-Breast and Sana Klinikum Offenbach, Offenbach (C.J.), the Department of Gynecology and Obstetrics, University Hospital Erlangen, Comprehensive Cancer Center Erlangen-EMN, Friedrich-Alexander University Erlangen-Nuremberg, Erlangen (P.A.F.), German Breast Group, Neu-Isenburg (P.W., S.L.), and the Center for Hematology and Oncology Bethanien, Goethe University, Frankfurt (S.L.) - all in Germany; National Taiwan University Hospital and National Taiwan University College of Medicine, Taipei, Taiwan (C.-S.H.); Instituto do Câncer do Estado de São Paulo, São Paulo (M.S.M.); Orlando Health Cancer Institute, Orlando, FL (E.P.M.); Hospital Universitario La Paz-Instituto de Investigación del Hospital Universitario La Paz, Madrid (A.R.); L'Institut du Cancer de Montpellier-Val d'Aurelle, Montpellier (V.D.), Institut Bergonié, INSERM Unité 1312, and Université de Bordeaux UFR Sciences Médicales, Bordeaux (H.R.B.) - all in France; Providence Cancer Institute, Portland, OR (A.K.C.); the Department of Surgery, Oncology, and Gastroenterology, University of Padua, and Oncology 2, Istituto Oncologico Veneto IRCCS, Padua (V.G.), and the Cancer Center Azienda Socio Sanitaria Territoriale Papa Giovanni XXIII, Bergamo (E.R.C.) - all in Italy; Stanford University School of Medicine, Stanford, CA (I.L.W.); the National Cancer Institute, Mexico City (C.A.-S.); Yale University School of Medicine, Yale Cancer Center, and Smilow Cancer Hospital, New Haven, CT (M.P.D.); the All-Ireland Cooperative Oncology Research Group (J.P.C.), and the Oncology Unit, Cancer Clinical Trials and Research Unit, Beaumont RCSI Cancer Centre, and Cancer Trials Ireland (B.T.H.) - all in Dublin; Fudan University Shanghai Cancer Center, Shanghai, China (Z.S.); Institute for Oncology and Radiology of Serbia, Belgrade (L.S.); Grupo Médico Ángeles, Guatemala City, Guatemala (H.C.-S.); Roche Products, Welwyn Garden City, United Kingdom (A.K., A.S.); and F. Hoffmann-La Roche, Basel, Switzerland (C.L., T.B., B.N., E.R.).
Background: Patients with human epidermal growth factor receptor 2 (HER2)-positive early breast cancer with residual invasive disease after neoadjuvant systemic therapy have a high risk of recurrence and death. The primary analysis of KATHERINE, a phase 3, open-label trial, showed that the risk of invasive breast cancer or death was 50% lower with adjuvant trastuzumab emtansine (T-DM1) than with trastuzumab alone.
Methods: We randomly assigned patients with HER2-positive early breast cancer with residual invasive disease in the breast or axilla after neoadjuvant systemic treatment with taxane-based chemotherapy and trastuzumab to receive T-DM1 or trastuzumab for 14 cycles.
Current developments in T-cell receptor therapy for Acute Myeloid Leukaemia.
Blood Adv
January 2025
The University of Sydney, Sydney, Australia.
T-cell receptor (TCR) therapies are a promising modality for the treatment of cancers, with significant efforts being directed towards acute myeloid leukaemia (AML), a particularly challenging disease. Chimeric antigen receptor (CAR) T-cells targeting single surface antigens have shown remarkable efficacy for B-cell lymphoblastic leukaemia, lymphomas and multiple myeloma. However, AML presents formidable obstacles to the effectiveness of CAR T-cells due to the widespread expression of heterogenous leukaemia immunophenotypes and surface antigen targets additionally present on normal myeloid cells.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!