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An in vitro nanocarrier-based B cell antigen loading system; tumor growth suppression via transfusion of the antigen-loaded B cells in vivo.
Int J Pharm
January 2025
Department of Pharmacokinetics and Biopharmaceutics, Institute of Biomedical Sciences, Tokushima University, 1-78-1, Sho-machi, Tokushima 770-8505, Japan; Innovative Research Center for Drug Delivery System, Institute of Biomedical Sciences, Tokushima University, 770-8505 Tokushima, Japan. Electronic address:
B cell-based vaccines are expected to provide an alternative to DC-based vaccines. However, the efficacy of antigen uptake by B cells in vitro is relatively low, and efficient antigen-loading methods must be established before B cell-based vaccines are viable in clinical settings. We recently developed an in vitro system that efficiently loads antigens into isolated splenic B cells via liposomes decorated with hydroxyl PEG (HO-PEG-Lips).
View Article and Find Full Text PDFBackground: Neuropathological tau tangles in Alzerheimer's disease (AD) have been roughly characterized into pre-tangles, mature tangles and ghost tangles. However, to date, their maturation in the human brain is poorly understood. Here, we aimed to define the structure and composition of tangle maturation stages in the AD brain using correlative light and electron microscopy (CLEM).
View Article and Find Full Text PDFDrug Development.
Alzheimers Dement
December 2024
Olabisi Onabanjo University, Sagamu, Ogun, Nigeria.
Background: Alzheimer's disease is a neurodegenerative disease associated with the accumulation of amyloid beta proteins to form plaques and the aggregation of hyperphosphorylated tau to form neurofibrillary tangles. Human fibroblast (SH-SY5Y) cells endogenously express Tau, and the expression is further amplified upon differentiation into neuronal cells, making it a cell model of Alzheimer's disease. Nigella sativa oil (NSO) contains 50% thymoquinone and has been used in the treatment of various nervous system disorders.
View Article and Find Full Text PDFDrug Development.
Alzheimers Dement
December 2024
Vanderbilt University Medical Center, Nashville, TN, USA.
Background: We report the case of a 79-year-old woman with Alzheimer's disease who enrolled in a clinical study of lecanemab. After the third, biweekly infusion she suffered a seizure followed by aphasia and progressive encephalopathy. Magnetic resonance imaging revealed multifocal cerebral edema and an increased burden of cerebral microhemorrhages compared to pre-trial imaging.
View Article and Find Full Text PDFOptical tweezers in biomedical research - progress and techniques.
J Med Life
November 2024
Biophysics and Cellular Biotechnology Department, Carol Davila University of Medicine and Pharmacy, Bucharest, Romania.
Optical tweezers, which leverage the forces exerted by radiation pressure, have emerged as a pivotal technique for precisely manipulating and analyzing microscopic particles. Since Arthur Ashkin's ground-breaking work in the 1970s and the subsequent development of the single-beam optical trap in 1986, the capabilities of optical tweezers have expanded significantly, enabling the intricate manipulation of biological specimens at the micro- and nanoscale. This review elucidates the foundational principles of optical trapping and their extensive applications in the biomedical sciences.
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