Detrusor muscle from human bladder contracted to field stimulation after atropine. It also responded to exogenous substance P by an atropine-insensitive mechanism. We tested whether substance P might mediate noncholinergic excitation. Tachyphylaxis to substance P did not effect noncholinergic responses to field stimulation. A substance P antagonist was ineffective in blocking responses to field stimulation or to exogenous substance P. Capsaicin had only nonspecific depressant effects on field stimulated contraction in high (10(-4) M) concentrations. These data do not support the hypothesis that substance P is the mediator of noncholinergic, field stimulated contractions of human detrusor muscle.
Download full-text PDF |
Source |
---|
J Med Internet Res
January 2025
Department of Industrial and Systems Engineering, The University of Florida, GAINESVILLE, FL, United States.
Background: The implementation of large language models (LLMs), such as BART (Bidirectional and Auto-Regressive Transformers) and GPT-4, has revolutionized the extraction of insights from unstructured text. These advancements have expanded into health care, allowing analysis of social media for public health insights. However, the detection of drug discontinuation events (DDEs) remains underexplored.
View Article and Find Full Text PDFParasitol Res
January 2025
Applied Zoology and Animal Conservation Group, University of the Balearic Islands (ZAP-UIB), Palma, Spain.
Biting midges of genus Leptoconops Skuse 1889 are small blood-feeding insects recognized as highly irritating diurnal pests in certain regions around the globe. In Europe, their presence is poorly documented, except in France and Italy. Following reports of human discomfort in a tourist area of Menorca, Balearic Islands (Spain), a small-scale study was conducted to identify the biting species and assess their preferred biting sites using a human-landing assay along a habitat gradient in a coastal dune area.
View Article and Find Full Text PDFBiomed Rep
March 2025
Department of Rheumatology and Immunology, People's Hospital of Longhua, Shenzhen, Guangdong 518109, P.R. China.
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease with a complex etiology primarily linked to abnormalities in B lymphocytes within the human body, resulting in the production of numerous pathogenic autoantibodies. Telitacicept is a relatively novel humanized, recombinant transmembrane activator, calcium modulator and cyclophilin ligand interactor fused with the Fc portion (TACI-Fc). It works by competitively inhibiting the TACI site, neutralizing the activity of B-cell lymphocyte stimulator and A proliferation-inducing ligand.
View Article and Find Full Text PDFBrain Commun
January 2025
Department of Neurological Surgery, University of Louisville, Louisville, KY 40202, USA.
The subthalamic nucleus is thought to play a crucial role in controlling impulsive actions. Networked among the basal ganglia and receiving input from several cortical areas, the subthalamic nucleus is well positioned to influence action selection when faced with competing and conflicting action outcomes. The purpose of this study was to test the dissociable roles of the dorsal and ventral aspects of the subthalamic nucleus during action conflict in patients with Parkinson's disease undergoing intraoperative neurophysiological recording and to explore a potential mechanism for this inhibitory control.
View Article and Find Full Text PDFFront Neurosci
January 2025
Division of Medical Sciences, University of Victoria, Victoria, BC, Canada.
The vagus nerve (VN) is the primary parasympathetic nerve, providing two-way communication between the body and brain through a network of afferent and efferent fibers. Evidence suggests that altered VN signaling is linked to changes in the neuroimmune system, including microglia. Dysfunction of microglia, the resident innate immune cells of the brain, is associated with various neurodevelopmental disorders, including schizophrenia, attention deficit hyperactive disorder (ADHD), autism spectrum disorder (ASD), and epilepsy.
View Article and Find Full Text PDFEnter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!
© LitMetric 2025. All rights reserved.