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Effects of White Noise Intervention on Sleep Quality and Immunological Indicators of Patients with Breast Cancer Undergoing Neoadjuvant Chemotherapy.
Noise Health
January 2025
Department of Geriatric Health Internal Medicine, Qingdao Municipal Hospital, Qingdao 266000, China.
Objective: Evaluate the effect of white noise intervention on sleep quality and immunological indicators of patients with breast cancer undergoing neoadjuvant chemotherapy (NAC).
Methods: From January 2020 to December 2022, 104 newly diagnosed female patients (the number of people who met the inclusion criteria) with breast cancer who were confirmed to be preoperative NAC by puncture pathology were selected for a randomised single-blind trial. The patients were randomly divided into an observation group and a control group, with 52 cases in each group.
Plasma anti-CD4 IgG levels are associated with poor immune recovery in people with HIV initiating antiretroviral therapy.
AIDS
February 2025
Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine, New York, NY.
A segment of people with HIV on effective antiretroviral therapy (ART) continue to experience poor immune recovery, leaving them at heightened risk of non-AIDS-defining events (NAEs). The production of anti-CD4 IgG autoreactive antibodies is suggested as one contributing mechanism to these complications. Here, we found that plasma anti-CD4 levels do not discriminate immunological responders from nonresponders nor predict the occurrence of NAEs, suggesting it is unlikely a contributing immunopathological factor associated with these complications.
View Article and Find Full Text PDFDecoding the molecular interplay of CD20 and therapeutic antibodies with fast volumetric nanoscopy.
Science
January 2025
Department of Biotechnology and Biophysics, Biocenter, University of Würzburg, Würzburg, Germany.
Elucidating the interaction between membrane proteins and antibodies requires whole-cell imaging at high spatiotemporal resolution. Lattice light-sheet (LLS) microscopy offers fast volumetric imaging but suffers from limited spatial resolution. DNA-based point accumulation for imaging in nanoscale topography (DNA-PAINT) achieves molecular resolution but is restricted to two-dimensional imaging owing to long acquisition times.
View Article and Find Full Text PDFA signaling molecule from intratumor bacteria promotes trastuzumab resistance in breast cancer cells.
Proc Natl Acad Sci U S A
January 2025
Key Laboratory of Molecular Nanostructure and Nanotechnology, Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
Emerging evidence indicates that intratumor bacteria exist as an active and specific tumor component in many tumor types beyond digestive and respiratory tumors. However, the biological impact and responsible molecules of such local bacteria-tumor direct interaction on cancer therapeutic response remain poorly understood. Trastuzumab is among the most commonly used drugs targeting the receptor tyrosine-protein kinase erbB-2 (ErbB2) in breast cancer, but its resistance is inevitable, severely limiting its clinical effectiveness.
View Article and Find Full Text PDFCryoEM structure of an MHC-I/TAPBPR peptide-bound intermediate reveals the mechanism of antigen proofreading.
Proc Natl Acad Sci U S A
January 2025
Department of Biochemistry and Biophysics, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104.
Class I major histocompatibility complex (MHC-I) proteins play a pivotal role in adaptive immunity by displaying epitopic peptides to CD8+ T cells. The chaperones tapasin and TAPBPR promote the selection of immunogenic antigens from a large pool of intracellular peptides. Interactions of chaperoned MHC-I molecules with incoming peptides are transient in nature, and as a result, the precise antigen proofreading mechanism remains elusive.
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