Results 171 to 180 of about 470,740 (429)

Upconversion‐Based Remote Deep Brain Modulation for Therapeutic Dissection of Parkinson's Disease

open access: yesAdvanced Therapeutics, EarlyView.
An upconversion‐based wireless optogenetic strategy enables an all‐optical deep brain modulation solution for treating Parkinson's disease in rodent animals without using electronics or any tethered cables, providing experimental evidence supporting a therapeutic mechanism of STN‐DBS by disruption of anterograde signal transmission along the indirect ...
Wenchong Zhang   +13 more
wiley   +1 more source

1p36 deletion syndrome: Review and mapping with further characterization of the phenotype, a new cohort of 86 patients

open access: yesAmerican Journal of Medical Genetics Part A, Volume 191, Issue 2, Page 445-458, February 2023., 2023
Abstract Chromosome 1p36 deletion syndrome (1p36DS) is one of the most common terminal deletion syndromes (incidence between 1/5000 and 1/10,000 live births in the American population), due to a heterozygous deletion of part of the short arm of chromosome 1.
Clémence Jacquin   +47 more
wiley   +1 more source

Disentangling the Switching Behavior in Functional Connectivity Dynamics in Autism Spectrum Disorder: Insights from Developmental Cohort Analysis and Molecular‐Cellular Associations

open access: yesAdvanced Science, EarlyView.
A region‐wise functional connectivity dynamics (FCD) switching index (RFSI) identifies abnormal drivers in ASD across development, linked to salience/ventral attention, default mode, and frontoparietal networks. RFSI changes correlate with transcriptomic and neurotransmitter profiles, and supported by gene‐edited ASD monkeys.
Wei Li   +11 more
wiley   +1 more source

Autism and mild epilepsy associated with a de novo missense pathogenic variant in the GTPase effector domain of DNM1

open access: yesAmerican Journal of Medical Genetics Part C: Seminars in Medical Genetics, EarlyView., 2023
Abstract Dynamin 1 is a GTPase protein involved in synaptic vesicle fission, which facilitates the exocytosis of neurotransmitters necessary for normal signaling. Pathogenic variants in the DNM1 gene are associated with intractable epilepsy, often manifested as infantile spasms at onset, developmental delay, and a movement disorder, and are located in ...
Davide Mei   +4 more
wiley   +1 more source

Spatial and Temporal Correlates of Vesicular Release at Hippocampal Synapses [PDF]

open access: yesarXiv, 2010
We develop a spatially explicit biophysical model of the hippocampal CA3-CA1 presynaptic bouton to study local calcium dynamics leading to vesicle fusion. A kinetic model with two calcium sensors is formulated specifically for the CA3-CA1 synapse. The model includes a sensor for fast synchronous release that lasts a few tens of milliseconds and a ...
arxiv  

Lecithin Alleviates Memory Deficits and Muscle Attenuation in Chinese Older Adults and SAMP8 Mice

open access: yesAdvanced Science, EarlyView.
This study opens a new avenue for safeguarding cognition and muscle health, averting disability in older age, and treating age‐related pathologies through lecithin supplementation. It serves as a promising nonpharmacological intervention for the crosstalk of muscle and cognition.
Xianyun Wang   +16 more
wiley   +1 more source

Characterization of the norepinephrine-activation of adenylate cyclase suggests a role in memory affirmation pathways. Overexposure to epinephrine inactivates adenylate-cyclase,a causal pathway for stress-pathologies [PDF]

open access: yesBioSystems 100 (2010) p. 87-93, 2010
Incubation with noradrenaline (norepinephrine) of isolated membranes of rat's brain corpus striatum and cortex, showed that ionic-magnesium (Mg2+) is required for the neurotransmitter activatory response of Adenylate Cyclase [ATP pyrophosphate-lyase (cyclizing), (EC 4.6.1.1)], AC.An Mg2+-dependent response to the activatory effects of adrenaline, and ...
arxiv  

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