An important role of oxidative stress for the development of vascular and neurological complications has encouraged us to undertake a study to assess the oxidative stress induced nerve conduction deficits among cigarette smokers. Eighteen regular male cigarette smokers and twenty nine male non-smokers were diagnosed for clinical neuro-physiological tests viz., motor and sensory nerve conduction velocity (MNCV and SNCV) and redox status. Significant depletion of reduced glutathione (GSH) level (p < 0.05) and significant increase in malondialdehyde (MDA) level (p < 0.01) was found in smokers compared to non-smokers. Motor and sensory nerve conduction velocity showed no significant difference among smokers compared to non-smokers. The present study shows that smoking can induce oxidative stress among smokers but could not exacerbate to nerve conduction deficits.
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J Arrhythm
February 2025
Department of Cardiology Saitama Medical University, International Medical Center Hidaka Japan.
Background: A novel contact force (CF) sensing catheter with a mesh-shaped irrigation tip (TactiFlexTM SE, Abbott), is expected to provide safe and effective radiofrequency ablation. Our previous study revealed that the TactiFlex catheter needs a higher power for pulmonary vein isolation (PVI) due to the long tip length. This study aimed to examine the feasibility and safety of a 50 W ablation with the TactiFlex for PVI of atrial fibrillation (AF).
View Article and Find Full Text PDFACS Pharmacol Transl Sci
January 2025
Department of Pharmacology and Toxicology, University of Kansas, Lawrence, Kansas 66045, United States.
Mutations in connexin 32 (Cx32) are a common cause of Charcot-Marie-Tooth 1X (CMT1X) disease, an inherited peripheral neuropathy characterized by progressive neuromuscular weakness and demyelination. There are no approved pharmacologic therapies for CMT1X, and identifying new treatments that slow the onset and severity of neuromuscular decline may aid disease management. Cemdomespib is an orally bioavailable small molecule that improved demyelination and neuromuscular junction (NMJ) morphology in mice lacking Cx32 expression.
View Article and Find Full Text PDFArq Neuropsiquiatr
January 2025
Universidade Federal do Rio de Janeiro, Hospital Universitário Clementino Fraga Filho, Centro de Estudos em Paramiloidose Antônio Rodrigues de Mello, Rio de Janeiro RJ, Brazil.
Background: Tafamidis is a kinetic stabilizer that binds to the transthyretin (TTR) gene, inhibiting its dissociation. It is the only disease-modifying treatment for hereditary TTR amyloidosis with peripheral neuropathy (ATTRv-PN) available in the National Therapeutic Form (Formulário Terapêutico Nacional, FTN, in Portuguese) of the Brazilian Unified Health System (Sistema Único de Saúde, SUS, in Portuguese).
Objective: To assess if the efficacy and safety of tafamidis in the Brazilian real-world experience are comparable to the results of clinical trials.
J Neurol
January 2025
Department of Neurology, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China.
Background And Objective: Neuronal intranuclear inclusion disease (NIID) is a multifaceted disorder impacting both the central and peripheral nervous systems. This study aims to investigate the clinical and electrophysiological characteristics of peripheral neuropathy in patients with NIID.
Methods: In this cross-sectional study, patients diagnosed with NIID were prospectively recruited from multiple centers across China between October 2017 and May 2024.
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