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The capability of the human brain to redeploy in accordance to the activities and experiences is deemed as neuroplasticity. As a result, neuroplasticity can be visualized as a required adaptation to all brain processes. Broadly classified into structural, functional, biochemical and behavioural neuroplasticity, structural neuroplasticity includes neurogenesis and synaptogenesis. Functional neuroplasticity operates with long term potentiation (LTP) and long term depression (LTD). Biochemical neuroplasticity avails the usage of genes such as apoE and Brain derived neurotrophic factor. Behavioural neuroplasticity utilizes the prefrontal cortex and nucleus accumbens, two parts of the brain that contribute to the rewarding properties of certain psychotropic drugs, showing plastic changes. Mirror neurons play an important role in neurorehabilitation by employing the process of functional synaptic plasticity. Non-invasive brain stimulation, including transcranial direct current stimulation (tDCS), repetitive transcranial magnetic stimulation (rTMS), deep brain stimulation and scrambler therapy for pain, utilize neuroplasticity for treatment in several disorders such as stroke, autism, Parkinsons, depression, etc.
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http://dx.doi.org/10.26574/maedica.2025.20.1.81 | DOI Listing |
Proc Natl Acad Sci U S A
September 2025
Department of Neuroscience, The Scripps Research Institute, San Diego, CA 92037.
Microglia regulate neuronal circuit plasticity. Disrupting their homeostatic function has detrimental effects on neuronal circuit health. Neuroinflammation contributes to the onset and progression of neurodegenerative diseases, including Alzheimer's disease (AD), with several microglial activation genes linked to increased risk for these conditions.
View Article and Find Full Text PDFAm J Physiol Regul Integr Comp Physiol
September 2025
National Aplysia Resource. Rosenstiel School of Marine, Atmospheric, and Earth Science, University of Miami, Key Biscayne, FL, USA.
Current therapeutics for hypoxic/ischemic brain damage can benefit from insights resulting from the study of hypoxia/anoxia resistant organisms. Hypoxia resistance, however, is not a common feature in mammalian models. Being naturally exposed to hypoxic/anoxic conditions, the sea hare could become a very useful model for the study of hypoxia resistance.
View Article and Find Full Text PDFJ Vis Exp
August 2025
Department of Cell Biology and Imaging, Institute of Zoology and Biomedical Research, Faculty of Biology, Jagiellonian University;
Examining circadian synaptic plasticity requires housing mice under different lighting conditions (light/dark cycle, LD 12:12, and constant darkness, DD), providing access to running wheels, and sacrificing them at four defined time points within 24 h-at the beginning and middle of the day/subjective day and at the beginning and middle of the night/subjective night. Brains are then properly fixed for transmission electron microscopy (TEM). The barrel cortex, with its precise somatotopic organization, provides an ideal model for such analysis.
View Article and Find Full Text PDFHNO
September 2025
Tinnituszentrum, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Germany Charitéplatz 1, 10117, Berlin, Deutschland.
Chronic tinnitus is a common symptom of the auditory system. Its pathophysiology remains incompletely understood, primarily due to its multifactorial etiology, which resembles that of other chronic conditions. As a result, effective clinical management requires interdisciplinary diagnostics and personalized therapeutic strategies.
View Article and Find Full Text PDFJ Cell Biol
November 2025
Life Sciences Institute, University of Michigan, Ann Arbor, MI, USA.
Two major protein recycling pathways have emerged as key regulators of enduring forms of synaptic plasticity, such as long-term potentiation (LTP), yet how these pathways are recruited during plasticity is unknown. Phosphatidylinositol-3-phosphate (PI(3)P) is a key regulator of endosomal trafficking and alterations in this lipid have been linked to neurodegeneration. Here, using primary hippocampal neurons, we demonstrate dynamic PI(3)P synthesis during chemical induction of LTP (cLTP), which drives coordinate recruitment of the SNX17-Retriever and SNX27-Retromer pathways to endosomes and synaptic sites.
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