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Qiangji Decoction mitigates neuronal damage, synaptic and mitochondrial dysfunction in SAMP8 mice through the regulation of ROCK2/Drp1-mediated mitochondrial dynamics.
J Ethnopharmacol
January 2025
Health Medical Center, Hubei Minzu University, Enshi, Hubei, 445000, PR China; Hubei Provincial Key Laboratory of Occurrence and Intervention of Rheumatic Disease, Hubei Minzu University, Enshi, Hubei, 445000, PR China. Electronic address:
Ethnopharmacological Relevance: Qiangji Decoction (QJD), a Chinese medicine, is widely used in Traditional Chinese Medicine to treat amnesia and Alzheimer's disease (AD), showing significant anti-AD effects. However, the precise mechanisms behind these effects are not well understood and require more research.
Aim Of The Study: This study aims to elucidate the mechanisms by which QJD ameliorates neuronal damage, synaptic dysfunction, and mitochondrial impairment in AD through the regulation of ROCK2/Drp1-mediated mitochondrial dynamics.
MuSK regulates neuromuscular junction Nav1.4 localization and excitability.
J Neurosci
January 2025
Carney Institute for Brain Science, Brown University, Providence, RI 02912
The neuromuscular junction (NMJ) is the linchpin of nerve-evoked muscle contraction. Broadly, the function of the NMJ is to transduce nerve action potentials into muscle fiber action potentials (MFAPs). Efficient neuromuscular transmission requires both cholinergic signaling, responsible for generation of endplate potentials (EPPs), and excitation, the amplification of the EPP by postsynaptic voltage-gated sodium channels (Nav1.
View Article and Find Full Text PDFHippocampal DNA methylation promotes contextual fear memory persistence by facilitating systems consolidation and cortical engram stabilization.
Biol Psychiatry
January 2025
Department of Neurobiology, Interdisciplinary Center for Neurosciences (IZN), Heidelberg University, 69120 Heidelberg, Germany; Department of Molecular and Cellular Cognition Research, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, 68159 Mannheim, Germany. Electronic address:
Background: Long-term fear memory storage involves gradual reorganization of supporting brain regions over time, a process termed systems consolidation. Memories initially rely on the hippocampus but gradually shift dependence to the neocortex. Although hippocampal activity drives this transfer, the molecular basis of systems consolidation is largely unknown.
View Article and Find Full Text PDFIntraventricular Administration of Exosomes from Patients with Amyotrophic Lateral Sclerosis Provokes Motor Neuron Disease in Mice.
Acta Naturae
January 2024
Research Center of neurology, Ministry of Science and Higher Education of the Russian Federation, Moscow, 125367 Russian Federation.
Amyotrophic lateral sclerosis (ALS) is a severe disease of the central nervous system (CNS) characterized by motor neuron damage leading to death from respiratory failure. The neurodegenerative process in ALS is characterized by an accumulation of aberrant proteins (TDP-43, SOD1, etc.) in CNS cells.
View Article and Find Full Text PDFDi Huang Yi Zhi Fang improves cognitive function in APP/PS1 mice by inducing neuronal mitochondrial autophagy through the PINK1-parkin pathway.
J Alzheimers Dis
January 2025
Department of General Internal Medicine, Longhua Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China.
Background: Alzheimer's disease (AD) is an irreversible age-related neurodegenerative condition characterized by the deposition of amyloid-β (Aβ) peptides and neurofibrillary tangles. Di Huang Yi Zhi (DHYZ) formula, a traditional Chinese herbal compound comprising several prescriptions, demonstrates properties that improve cognitive abilities in clinical. Nonetheless, its molecular mechanisms on treating AD through improving neuron cells mitochondria function have not been deeply investigated.
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