Results 81 to 90 of about 303,608 (351)

Brain pericytes upregulate glutamate uptake by astrocytes in vitro through sodium-dependent transporter

open access: yesIBRO Neuroscience Reports
Astrocytes maintain glutamate homeostasis in the central nervous system (CNS) via glutamate uptake through Na+-dependent excitatory amino acid transporters (EAAT1 and EAAT2), and this process is regulated by several CNS cell types. However, it is unclear
Kenta Sakai   +6 more
doaj   +1 more source

Direct vascular contact is a hallmark of cerebral astrocytes

open access: yesCell Reports, 2022
Summary: Astrocytes establish extensive networks via gap junctions that allow each astrocyte to connect indirectly to the vasculature. However, the proportion of astrocytes directly associated with blood vessels is unknown.
Ladina Hösli   +6 more
doaj   +1 more source

A Spatially Resolved View on the Aging Substantia nigra: An Exploratory Proteomic Study

open access: yesAdvanced Biology, EarlyView.
Although aging is the most important risk factor for several neurodegenerative diseases, the molecular effects of physiological aging are still understudied. By applying spatially‐resolved proteomic analyses of the human substantia nigra pars compacta, alterations in vesicular trafficking and mitochondrial proteins are observed, as well as reduced ...
Britta Eggers   +10 more
wiley   +1 more source

Bioorthogonal Engineering of Cellular Microenvironments Using Isonitrile Ligations

open access: yesAdvanced Functional Materials, EarlyView.
Highly selective chemistries are required for fabrication and post‐cross–linking modification of cell‐encapsulating hydrogels used in tissue engineering applications. Isonitrile ligation reactions represent a promising class of bioorthogonal chemistries for engineering hydrogel‐based cellular microenvironments. Isonitrile‐based hydrogels are stable and
Ping Zhou   +2 more
wiley   +1 more source

KIF21B IN ASTROCYTES AUTOPHAGY

open access: yesIBRO Neuroscience Reports, 2023
KIF21B is a kinesin highly expressed in neurons with a dual function: cargo transport and modulation of microtubule dynamics. Its expression is upregulated in various neurodegenerative diseases such as Alzheimer's. In addition, a correlation between KIF21B and GFAP was described for patients with multiple sclerosis in the white matter.
Ganchala, Danny   +5 more
openaire   +4 more sources

Astrocyte heterogeneity within white matter tracts and a unique subpopulation of optic nerve head astrocytes

open access: yesiScience, 2022
Summary: Much of what we know about astrocyte form and function is derived from the study of gray matter protoplasmic astrocytes, whereas white matter fibrous astrocytes remain relatively unexplored. Here, we used the ribotag approach to isolate ribosome-
Arpan G. Mazumder   +3 more
doaj   +1 more source

Ultrasoft Iontronics: Stretchable Diodes Enabled by Ionically Conductive Bottlebrush Elastomers

open access: yesAdvanced Functional Materials, EarlyView.
This work introduces a solvent‐free, ultrasoft, and stretchable ionic diode based on oppositely charged bottlebrush elastomers (BBEs). The BBE diode exhibits an ultralow Young's modulus (<23 kPa), a high rectification ratio of 46, and stretchability over 400%.
Xia Wu   +6 more
wiley   +1 more source

Perfusable Brain Microvascular Network‐On‐Chip Model to Study Flavivirus NS1‐Induced Endothelial Dysfunction

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a microfluidic brain microvascular network‐on‐chip (BMVasChip) to investigate endothelial barrier dysfunction caused by flavivirus non‐structural protein 1 (NS1), including virus‐ and time‐dependent vascular damage, leakiness, and dysfunction.
Monika Rajput   +5 more
wiley   +1 more source

Astrocytes: Powering Memory [PDF]

open access: yesCell, 2011
Creating long-term memory requires a cellular program in neurons involving gene expression, protein synthesis, and formation of new synaptic connections. Suzuki et al. (2011) show that astrocytes, glial cells of the brain, play a necessary role in this program by converting glycogen to lactate and transporting it to neurons.
Bezzi Paola, Volterra Andrea
openaire   +3 more sources

The Matrix Receptor CD44 Is Present in Astrocytes throughout the Human Central Nervous System and Accumulates in Hypoxia and Seizures

open access: yesCells
In the mammalian isocortex, CD44, a cell surface receptor for extracellular matrix molecules, is present in pial-based and fibrous astrocytes of white matter but not in protoplasmic astrocytes.
Osama Al-Dalahmah   +8 more
doaj   +1 more source

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