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Nutritional state-dependent modulation of insulin-producing cells in .
Elife
January 2025
Neurobiology and Genetics, Theodor-Boveri-Institute, Biocenter, Julius-Maximilians-University of Würzburg, Würzburg, Germany.
Insulin plays a key role in metabolic homeostasis. insulin-producing cells (IPCs) are functional analogues of mammalian pancreatic beta cells and release insulin directly into circulation. To investigate the in vivo dynamics of IPC activity, we quantified the effects of nutritional and internal state changes on IPCs using electrophysiological recordings.
View Article and Find Full Text PDFhigh-content screening reveals miR-429 as a protective molecule in photoreceptor degeneration.
Mol Ther Nucleic Acids
March 2025
Telethon Institute of Genetics and Medicine (TIGEM), Via Campi Flegrei 34, 80078 Pozzuoli, Italy.
Inherited retinal diseases (IRDs) are clinically and genetically heterogeneous disorders characterized by progressive photoreceptor degeneration and irreversible vision loss. MicroRNAs (miRNAs), a class of endogenous non-coding RNAs with post-transcriptional regulatory properties, are known to play a major role in retinal function, both in physiological and pathological conditions. Given their ability to simultaneously modulate multiple molecular pathways, miRNAs represent promising therapeutic tools for disorders with high genetic heterogeneity, such as IRDs.
View Article and Find Full Text PDFEffect of Low-Dose Methylprednisolone in Promoting Neurological Function Recovery after Spinal Cord Injury: Clinical and Animal Studies.
Spine (Phila Pa 1976)
January 2025
Department of Orthopedics, the First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, People's Republic of China.
Study Design: Subgroup analysis of a retrospective clinical and animal trial [Study of different doses of methylprednisolone on functional recovery of spinal cord injury].
Objective: The aimed to investigate the efficacy of low-dose methylprednisolone regimens in promoting neural repair after SCI.
Summary Of Background Data: Spinal cord injury (SCI) can result in sensory, motor, and autonomic nerve dysfunction, often leading to disability or death.
Exploring when to exploit: the cognitive underpinnings of foraging-type decisions in relation to psychopathy.
Transl Psychiatry
January 2025
Radboud University, Donders Institute for Brain, Cognition and Behavior, Thomas van Aquinostraat 4, 6525 GD, Nijmegen, The Netherlands.
Impairments in reinforcement learning (RL) might underlie the tendency of individuals with elevated psychopathic traits to behave exploitatively, as they fail to learn from their mistakes. Most studies on the topic have focused on binary choices, while everyday functioning requires us to learn the value of multiple options. In this study, we evaluated the cognitive correlates of naturalistic foraging-type decision-making and their electrophysiological signatures in a community sample (n = 108) with varying degrees of psychopathic traits.
View Article and Find Full Text PDFBrain-Computer Interface and Electrochemical Sensor Based on Boron-Nitrogen Co-Doped Graphene-Diamond Microelectrode for EEG and Dopamine Detection.
ACS Sens
January 2025
Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, PR China.
The simultaneous detection of electroencephalography (EEG) signals and neurotransmitter levels plays an important role as biomarkers for the assessment and monitoring of emotions and cognition. This paper describes the development of boron and nitrogen codoped graphene-diamond (BNGrD) microelectrodes with a diameter of only 200 μm for sensing EEG signals and dopamine (DA) levels, which have been developed for the first time. The optimized BNGrD microelectrode responded sensitively to both EEG and DA signals, with a signal-to-noise ratio of 9 dB for spontaneous EEG signals and a limit of detection as low as 124 nM for DA.
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