Results 271 to 280 of about 249,621 (311)
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Astrocytes and Astrocyte–Neuron Interactions
2021Abstract Astrocytes constitute approximately 30 percent of cells in the CNS and are the most abundant glial cells. They constitute a structural and functionally heterogeneous population and are critically involved in development, homeostasis, synaptic and neuronal network activity, and response to injury and repair in the CNS.
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SSRN Electronic Journal, 2022
Traumatic brain injury (TBI) is a major risk factor for development of neurodegenerative disorders later in life. Short, repetitive, mechanical impacts can lead to pathology that appears days or months later. The cells have a physical "memory" of mechanical events. The origin of this memory is not known.
Tasnim, Shireen +2 more
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Traumatic brain injury (TBI) is a major risk factor for development of neurodegenerative disorders later in life. Short, repetitive, mechanical impacts can lead to pathology that appears days or months later. The cells have a physical "memory" of mechanical events. The origin of this memory is not known.
Tasnim, Shireen +2 more
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Neurochemical Research, 2016
Cell migration is a fundamental phenomenon that underlies tissue morphogenesis, wound healing, immune response, and cancer metastasis. Great progresses have been made in research methodologies, with cell migration identified as a highly orchestrated process.
Jiang Shan Zhan +9 more
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Cell migration is a fundamental phenomenon that underlies tissue morphogenesis, wound healing, immune response, and cancer metastasis. Great progresses have been made in research methodologies, with cell migration identified as a highly orchestrated process.
Jiang Shan Zhan +9 more
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Seminars in Cell & Developmental Biology, 2019
Astrocytes are a unique and dynamic subtype of glial cells in the central nervous system (CNS). Understanding their biochemical reactions and their influence in the surrounding cells is extremely important in the neuroscience field. They exert important influence in the neurotransmission, ionic homeostasis and also release neuroactive molecules termed ...
Débora G. Souza +3 more
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Astrocytes are a unique and dynamic subtype of glial cells in the central nervous system (CNS). Understanding their biochemical reactions and their influence in the surrounding cells is extremely important in the neuroscience field. They exert important influence in the neurotransmission, ionic homeostasis and also release neuroactive molecules termed ...
Débora G. Souza +3 more
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Glia, 1988
AbstractSeveral studies have demonstrated the presence of perinodal astrocyte processes at nodes of Ranvier in the central nervous system, suggesting that, in addition to the axon and oligodendrocyte, astrocytes participate in the formation of mature central nodes.
J A, Black, S G, Waxman
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AbstractSeveral studies have demonstrated the presence of perinodal astrocyte processes at nodes of Ranvier in the central nervous system, suggesting that, in addition to the axon and oligodendrocyte, astrocytes participate in the formation of mature central nodes.
J A, Black, S G, Waxman
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Acute treatment with 17β‐estradiol attenuates astrocyte–astrocyte and astrocyte–neuron communication
Glia, 2007AbstractAstrocytes are now recognized as dynamic signaling elements in the brain. Bidirectional communication between neurons and astrocytes involves integration of neuronal inputs by astrocytes and release of gliotransmitters that modulate neuronal excitability and synaptic transmission.
Rao, Shilpa P, Sikdar, Sujit Kumar
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2009
Astrocytic gliomas are the most common primary brain tumors and account for up to two thirds of all tumors of glial origin. In this review we outline the basic histological and epidemiological aspects of the different astrocytoma subtypes in adults. In addition, we summarize the key genetic alterations that have been attributed to astrocytoma patho ...
Markus J, Riemenschneider +1 more
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Astrocytic gliomas are the most common primary brain tumors and account for up to two thirds of all tumors of glial origin. In this review we outline the basic histological and epidemiological aspects of the different astrocytoma subtypes in adults. In addition, we summarize the key genetic alterations that have been attributed to astrocytoma patho ...
Markus J, Riemenschneider +1 more
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Hypothalamic Astrocytes in Obesity
Endocrinology and Metabolism Clinics of North America, 2013Obesity is characterized by a chronic and low-grade inflammation in tissues including the hypothalamus. Hypothalamic inflammation is considered an early and determining factor for the onset of obesity, a factor that occurs even before body weight gain. Within the hypothalamus, microglia and astrocytes produce cytokines that drive inflammatory responses.
García-Cáceres, Cristina +2 more
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Measurements of Astrocyte Proliferation
2011Astrocytes, the most abundant cell type in the brain, proliferate during brain development. While it is generally accepted that mature astrocytes do not proliferate, neural stem cells, which have characteristics of astrocytes, retain the ability of self-renewal.
GUIZZETTI M. +2 more
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Primary astrocyte cultures?a key to astrocyte function
Cellular and Molecular Neurobiology, 1983Morphological studies have established the ubiquitous nature of astrocytes in the CNS. Their processes surround capillaries and synapses, form the subpial and subependymal layers, and seemingly invest every neuronal surface not covered by other neuronal surfaces or oligodendroglial membranes.
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