Results 71 to 80 of about 31,071 (248)

Properties of Synaptically Evoked Astrocyte Calcium Signal Reveal Synaptic Information Processing by Astrocytes [PDF]

The Journal of Neuroscience, 2005
The synaptic control of the astrocytic intracellular Ca2+is crucial in the reciprocal astrocyte-neuron communication. Using electrophysiological and Ca2+imaging techniques in rat hippocampal slices, we investigated the astrocytic Ca2+signal modulation induced by synaptic terminals that use glutamate and acetylcholine.
Perea, Gertrudis, Araque, Alfonso
openaire   +3 more sources

NeuroSuite for Long‐Term Functional and Structural Studies of Air‐Liquid Interface Cerebral Organoids

Advanced Science, EarlyView.
NeuroSuite provides a modular hardware‐software platform integrating Neuroweb and NeuroMaps to enable long‐term, in situ electrophysiological interrogation of air–liquid interface organoid slices while preserving tissue architecture. Its components can be used together or independently to capture real‐time activity, spatial network dynamics, and ...
Belquis Haider, Sagnik Middya, Daniel J. Lloyd‐Davies‐Sánchez, Nino F. Läubli, Sulay Vora, Jakob Träuble, Rohan N. Krajeski, Yuqing Feng, Daniel Duncko, Josiah S. Riley, Rubén Ruiz‐Mateos Serrano, Ole Paulsen, Madeline A. Lancaster, George G. Malliaras, Gabriele S. Kaminski Schierle   +14 more
wiley   +1 more source

Innate Immunocompetent hiPSC‐Derived Neurospheroids Capture Early CNS Responses to rAAV

Advanced Science, EarlyView.
Knowledge of human CNS immune responses to AAV‐based gene therapies remains limited due to the lack of immune‐competent human models. Here, a hiPSC‐derived 3D neuroimmune platform integrating neurospheroids and microglia is established using stirred‐tank bioreactors.
Catarina M. Gomes, Gabriela Silva, Mafalda Aleixo, Marta Gomes, Daniel Simão, Stephan J. Holtkamp, Diana D. Lobo, Pradeep Harish, Rosalind Jenkins, Lekh N. Dahal, Rui J. Nobre, Luís de Pereira de Almeida, Mark Trautwein, Paula M. Alves, Catarina Brito   +14 more
wiley   +1 more source

Astrocytes sense glymphatic-level shear stress through the interaction of sphingosine-1-phosphate with Piezo1

iScience
Summary: Astrocyte endfeet enwrap brain vasculature, forming a boundary for perivascular glymphatic flow of fluid and solutes along and across the astrocyte endfeet into the brain parenchyma.
Antonio Cibelli, David Ballesteros-Gomez, Sean McCutcheon, Greta L. Yang, Ashley Bispo, Michael Krawchuk, Giselle Piedra, David C. Spray   +7 more
doaj   +1 more source

Simulation of calcium signaling in fine astrocytic processes: Effect of spatial properties on spontaneous activity.

PLoS Computational Biology, 2019
Astrocytes, a glial cell type of the central nervous system, have emerged as detectors and regulators of neuronal information processing. Astrocyte excitability resides in transient variations of free cytosolic calcium concentration over a range of ...
Audrey Denizot, Misa Arizono, U Valentin Nägerl, Hédi Soula, Hugues Berry   +4 more
doaj   +1 more source

Effects of the dynamics of noise-induced calcium signals in a biophysical model of the astrocytic process [PDF]

Известия высших учебных заведений: Прикладная нелинейная динамика
The purpose of this work is to study the effects of spatio-temporal dynamics of spontaneous calcium signaling in the morphological structure of an astrocyte at the subcellular level using biophysical mathematical modeling methods. Methods.
Ermolaeva, Anastasia Viktorovna, Kastalskiy, Innokentiy A., Kazantsev, Viktor Borisovich, Gordleeva, Susanna Yurevna   +3 more
doaj   +1 more source

Targeted Restoration of the Microbial Tryptophan Oxidative Pathway Ameliorates Autism‐Like Behavioral and Synaptic Deficits

Advanced Science, EarlyView.
ABSTRACT Autism Spectrum Disorder (ASD) is associated with gut microbiota dysbiosis, yet the contribution of specific microbial metabolic pathways remains unclear. Reanalysis of a public ASD cohort revealed reduced functional potential in microbial tryptophan oxidative metabolism.
Rui Guo, Caian He, Xiao Xiao, Jingmeng Li, Zilong Zhang, Ying He, Chuanchuan Wang, Jiale Zhao, Jun Gong, Jiarui Liang, Tian Yuan, Haiting Sun, Xuebo Liu, Chao Gao, Zhigang Liu   +14 more
wiley   +1 more source

GHRHR Deficiency Enhances Retinal Ganglion Cell Survival and Visual Functions in Experimental Glaucoma by Inhibiting Ferroptosis

Advanced Science, EarlyView.
Glaucoma, a major cause of blindness, involves retinal ganglion cell (RGC) degeneration. This study shows growth hormone‐releasing hormone receptor (GHRHR) deficiency preserves RGC survival and restores vision, unlike activation which only aids survival.
Yan Tong, Ming Ho Yam, Jiaxin Zhang, Lin Du, Linbin Zhou, Yolanda Wong Ying Yip, Bo Man Ho, Hemlata Bisnauthsing, Jiahui Li, Ivan Kong, Shushu Xu, Changzhen Fu, Karl K.H. So, Joaquim S.L. Vong, Ling‐Ping Cen, Ming‐Ming Yang, Khazeema Yousaf, Mai Har Sham, Sun On Chan, Poemen P. Chan, Chi Pui Pang, Clement C. Tham, Jing Na He, Jian Li, Wai Kit Chu   +24 more
wiley   +1 more source

Protein‐Template Gold Nanoclusters Induce Differentiation and Modify the Functional Properties of Primary Astrocytes

Advanced NanoBiomed Research
Astrocyte ion channels, water channels, and calcium signaling play vital roles in maintaining brain homeostasis, coordinating neural network activity, supporting cognitive functions, and mediating neurovascular coupling. Disruptions in astrocyte dynamics
Roberta Fabbri, Karima Jeneh Perry, Emanuela Saracino, Chiara Lazzarini, Anna Mariano, Diletta Spennato, Maria Grazia Mola, Maria Grazia Raucci, Alessandro Kovtun, Marianna Barbalinardo, Giorgia Conte, Denis Gentili, Marco Caprini, Vincenzo Palermo, Roberto Zamboni, Luigi Ambrosio, Wolfgang Losert, Andrea Candini, Grazia Paola Nicchia, Raj K. Gupta, Valentina Benfenati, Shashi P. Karna   +21 more
doaj   +1 more source

Microglial Deubiquitinase OTUD7B Stabilizes STAT3 to Promote Neuroinflammation and Cognitive Decline in Alzheimer's Disease

Advanced Science, EarlyView.
. ABSTRACT Neuroinflammation driven by microglial activation is a defining feature of Alzheimer's disease (AD), yet the molecular mechanisms sustaining this proinflammatory state remain unclear. Here, we identify the deubiquitinase OTUD7B as a critical regulator of microglial activation and AD pathology.
Luyao Li, Hao Tang, Qin Yu, Yuyang Zhang, Binglu Shi, Ying Kong, Leiyu Xu, Jingjing Shao, Chenghong Hu, Lingyu She, Zhe Wang, Haiyi Chen, Aleksandr V. Samorodov, Gang Cao, Xia Zhao, Yi Wang   +15 more
wiley   +1 more source