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Tanycyte, the neuron whisperer
Physiology and Behavior, 2023 Reciprocal communication between neurons and glia is essential for normal brain functioning and adequate physiological functions, including energy balance. In vertebrates, the homeostatic process that adjusts food intake and energy expenditure in line with physiological requirements is tightly controlled by numerous neural cell types located within the
Fanny Langlet
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Ultrastructural Pathology, 1997
Tanycytic ependymoma is an uncommon fibrillar variant of ependymoma characterized by streams of piloid, or hair-like, cells having "ependymal" nuclei. True ependymal rosettes are absent, and perivascular rosettes are inconspicuous. Misinterpretation as schwannoma or astrocytoma is a diagnostic problem and well-documented cases are scarce.
L A, Langford, G M, Barré
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Tanycytic ependymoma is an uncommon fibrillar variant of ependymoma characterized by streams of piloid, or hair-like, cells having "ependymal" nuclei. True ependymal rosettes are absent, and perivascular rosettes are inconspicuous. Misinterpretation as schwannoma or astrocytoma is a diagnostic problem and well-documented cases are scarce.
L A, Langford, G M, Barré
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Acta Neuropathologica, 2001
Three cases of spinal tanycytic ependymoma are reported, a man aged 45 years and two women aged 36 and 55 years. Each patient developed gradual paraparesis over a few months prior to admission. Magnetic resonance imaging showed an enhancing, well-circumscribed tumor in the spinal cord in each case.
N, Kawano +7 more
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Three cases of spinal tanycytic ependymoma are reported, a man aged 45 years and two women aged 36 and 55 years. Each patient developed gradual paraparesis over a few months prior to admission. Magnetic resonance imaging showed an enhancing, well-circumscribed tumor in the spinal cord in each case.
N, Kawano +7 more
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Supratentorial tanycytic ependymoma
Journal of Clinical Neuroscience, 2004Tanycytic ependymoma is a rare fibrillary variant of ependymoma with a predilection for the spinal cord. We present an unusual supratentorial subcortical tanycytic ependymoma in a 17-year old male presenting with seizures. Only two other cases of subcortical tanycytic ependymoma have been reported.
Amanda L, Richards +4 more
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Tanycytes: Morphology and Functions: A Review [PDF]
, 1985 Publisher Summary The chapter presents a review of the morphology and functions of tanycytes. The name “tanycyte,” derived from the Greek word “tanus,” which means “elongated,” was chosen to stress the shape of these bipolar cells, in relation at their apical pole with the infundibular recess of the third ventricle and, at their distal pole, with the
Flament Durand, Jacqueline +1 more
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Fat incites tanycytes to neurogenesis
Nature Neuroscience, 2012Tanycytes in the hypothalamic median eminence have now been found to form a metabolically sensitive neurogenic niche in the brain. In adult mice, tanycytes give rise to hypothalamic regulatory neurons in response to a high-fat diet.
Marcelo O, Dietrich, Tamas L, Horvath
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Tanycytes: A Gateway to the Metabolic Hypothalamus
Journal of Neuroendocrinology, 2014The central regulation of energy balance relies on the ability of the brain to promptly and efficiently sense variations of metabolic state. To achieve this, circulating hormonal and metabolic signals have to cross the blood–brain interface, where unusual glial cells named tanycytes have been described to play a key role in this process.
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