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PMP2+ Schwann cells maintain the survival of large-caliber motor axons.
J Neurosci
January 2025
Department of Developmental Biology, Washington University School of Medicine, St. Louis, Missouri, 63110, USA.
Neurodegenerative diseases of both the central and peripheral nervous system are characterized by selective neuronal vulnerability, i.e., pathology that affects particular types of neurons.
View Article and Find Full Text PDFAdvancing cancer therapy with custom-built alternating electric field devices.
Bioelectron Med
January 2025
School of Pharmacy, Biodiscovery Institute & Boots Science Building, University of Nottingham, Nottingham, NG7 2RD, UK.
Background: In glioblastoma (GBM) therapy research, tumour treating fields by the company Novocure™, have shown promise for increasing patient overall survival. When used with the chemotherapeutic agent temozolomide, they extend median survival by five months. However, there is a space to design alternative systems that will be amenable for wider use in current research.
View Article and Find Full Text PDFBlood Lactate as a Metabolic Biomarker of Anaerobic Vocal Capacity: A Pilot Study.
J Voice
January 2025
Department of Speech, Language, and Hearing Sciences, Auburn University, Auburn, AL.
Purpose: Blood lactate concentration is commonly used to assess metabolic demand and skeletal muscle training response. The objective of the pilot study was to investigate if a change in blood lactate was detectable in an anaerobically designed vocal demand task vocal capacity anaerobic task (VCAT) and determine if the developed vocal demand task may assess the anaerobic capacity of the voice musculature, like anaerobic power tests commonly used in applied exercise science.
Methods: A prospective repeated measures study quantified blood lactate concentration preVCAT and postVCAT in vocally healthy adults.
Wireless Stimulation of Barium Titanate@PEDOT Nanoparticles Toward Bioelectrical Modulation in Cancer.
ACS Appl Mater Interfaces
January 2025
Department of Bioengineering and iBB - Institute of Bioengineering and Biosciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, Lisbon 1049-001, Portugal.
Cancer cells possess distinct bioelectrical properties, yet therapies leveraging these characteristics remain underexplored. Herein, we introduce an innovative nanobioelectronic system combining a piezoelectric barium titanate nanoparticle core with a conducting poly(3,4-ethylenedioxythiophene) shell (BTO@PEDOT NPs), designed to modulate cancer cell bioelectricity through noninvasive, wireless stimulation. Our hypothesis is that acting as nanoantennas, BTO@PEDOT NPs convert mechanical inputs provided by ultrasound (US) into electrical signals, capable of interfering with the bioelectronic circuitry of two human breast cancer cell lines, MCF-7 and MDA-MB-231.
View Article and Find Full Text PDFInter-network functional connectivity increases by beta-amyloid and may facilitate the early stage of tau accumulation.
Neurobiol Aging
January 2025
Department of Radiology, Brain Health Imaging Institute, Weill Cornell Medicine, New York, NY, United States.
Alzheimer's disease (AD) is pathologically marked by tau tangles and beta-amyloid (Aβ) plaques. It has been hypothesized that Aβ facilitates spread of tau outside of the medial temporal lobe (MTL), but exact mechanism of this facilitation remains unclear. We aimed to test the hypothesis that abnormal Aβ induces an increase in inter-network functional connectivity, which in turn induces early-stage tau elevation in limbic network.
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