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Reorganization of the septohippocampal cholinergic fiber system in experimental epilepsy

Journal of Comparative Neurology, 2017
AbstractThe septohippocampal cholinergic neurotransmission has long been implicated in seizures, but little is known about the structural features of this projection system in epileptic brain. We evaluated the effects of experimental epilepsy on the areal density of cholinergic terminals (fiber varicosities) in the dentate gyrus.
Joana I. Soares   +4 more
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The cat neostriatum: relative distribution of cholinergic neurons versus serotonergic fibers

Brain and Development, 2000
The distribution of choline acetyltransferase (ChAT)-containing neurons and serotonin (5-HT)-containing nerve fibers in the cat neostriatum was investigated by use of immunohistochemical techniques. Both ChAT- and 5-HT-staining techniques were applied to alternate brain sections, thereby allowing a precise comparison of the distribution pattern of ChAT-
T, Okumura   +4 more
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The cholinergic system modulates kindling and kindling‐induced mossy fiber sprouting

Synapse, 2002
AbstractIn a previous study, our laboratory demonstrated that the intraventricular infusion of nerve growth factor (NGF) accelerated kindling rates and enhanced mossy fiber sprouting in the absence of noticeable kindling‐associated neuronal loss.
Beth, Adams   +3 more
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Cholinergic and GABAergic fibers in the stria medullaris of the rabbit

Brain Research Bulletin, 1977
Abstract After placing uni- and bilateral electrolytic lesions in the habenula (Hb), stria medullaris (SM), septum (Sep) and lateral preoptic area (LPA), activities of choline acetyltransferase (ChAc), acetylcholinesterase (AChE) and L-glutamic acid decarboxylase (GAD), which are the synthesizing and degradating enzymes of acetylcholine and the ...
K, Kataoka   +3 more
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Selective loss of cholinergic sudomotor fibers causes anhidrosis in Ross syndrome

Annals of Neurology, 2002
AbstractRoss syndrome consists of segmental hyperhidrosis with widespread anhidrosis, Adie syndrome, and areflexia. The cause of this disorder is unknown. Selective degeneration of cholinergic fibers or of neural crest–derived structures has been suggested.
Sommer, Claudia   +4 more
openaire   +3 more sources

Occurrence of cholinergic nerve fibers in the human uveoscleral tissue

International Ophthalmology, 1998
We have studied the cholinergic nerve fibers (CNF) of human uveoscleral tissue in normal and pathological conditions (intraocular pressure: (IOP) of various degrees ) and have performed a quantitative image analysis of CNF with the aim of studying an hypothetical association between IOP and the uveoscleral level of cholinergic neurotransmitter in nerve
CAVALLOTTI, Carlo   +4 more
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Properties of Cholinergic Responses in Isolated Parapodial Muscle Fibers ofAplysia

Journal of Neurophysiology, 1999
The parapodial neuromuscular junction in the marine snail Aplysia brasiliana is a model synapse for the investigation of neural modulation. The parapodial muscle fibers are innervated by cholinergic motoneurons and by serotonergic modulatory cells.
P J, Laurienti, J E, Blankenship
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Hypothalamic Reward Mechanism: Two First-Stage Fiber Populations with a Cholinergic Component

Science, 1985
Refractory periods were estimated for fibers of the hypothalamic substrate of brain stimulation reward. Two nonoverlapping populations were evident: a homogeneous fast population and a more heterogeneous slow population. Cholinergic blockade eliminated the contribution of the fast but not the slow fibers, while dopaminergic blockade reduced responding ...
A, Gratton, R A, Wise
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Cholinergic fiber growth in co-cultures of CNS tissue.

Journal de physiologie, 1992
In co-cultures prepared from the septum and the hippocampus, cholinergic fibers originating in the septal slices grew into the neighboring hippocampal tissue and established functional cholinergic connections with pyramidal cells. To get further insight into the mechanisms governing cholinergic fiber growth, we have added TTX to the growth medium (2 x ...
B H, Gähwiler, L, Rietschin, U, Gerber
openaire   +1 more source

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