Search Results - "Pappas, B.A"

Pinealectomy causes hippocampal CA1 and CA3 cell loss: Reversal by melatonin supplementation by De Butte, M, Pappas, B.A

“…Abstract This experiment determined if the loss of endogenous melatonin via pinealectomy affected rat CA1 and CA3 pyramidal neuron numbers over a 20-month…”
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Cleavage of amyloid precursor protein elicited by chronic cerebral hypoperfusion by Bennett, S.A.L, Pappas, B.A, Stevens, W.D, Davidson, C.M, Fortin, T, Chen, J

“…In the present study, we sought to determine whether low-grade, chronic vascular insufficiency induced in a rodent model of chronic cerebrohypoperfusion is…”
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Chronic reduction of cerebral blood flow in the adult rat: late-emerging CA1 cell loss and memory dysfunction by Pappas, B.A., de la Torre, J.C., Davidson, C.M., Keyes, M.T., Fortin, T.

“…Ten-month-old rats were subjected to permanent bilateral occlusion of both common carotid arteries (2-VO) to chronically but moderately reduce brain blood…”
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Selective acetylcholine and dopamine lesions in neonatal rats produce distinct patterns of cortical dendritic atrophy in adulthood by Sherren, N., Pappas, B.A.

“…Acetylcholine and dopamine afferents reach their cortical targets during periods of synaptogenesis, and are in position to influence the cytoarchitectural…”
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Hippocampal nitric oxide upregulation precedes memory loss and Aβ 1-40 accumulation after chronic brain hypoperfusion in rats by de la Torre, J.C., Pappas, B.A., Prevot, V., Emmerling, M.R., Mantione, K., Fortin, T., Watson, M.D., Stefano, G.B.

“…Chronic brain hypoperfusion (CBH) using permanent occlusion of both common carotid arteries in an aging rat model, has been shown to mimic human mild cognitive…”
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Pinealectomy: behavioral and neuropathological consequences in a chronic cerebral hypoperfusion model by DE BUTTE, M, FORTIN, T, PAPPAS, B. A

“…This experiment determined if pinealectomy (PX) affects the consequences of chronic, moderate brain ischemia. Rats were pinealectomized at 25 days of age and…”
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Neonatal lesion of forebrain cholinergic neurons: Further characterization of behavioral effects and permanency by Pappas, B.A., Payne, K.B., Fortin, T., Sherren, N.

“…Intraventricular injections of 192 IgG-saporin in the neonatal rat caused severe loss of basal forebrain cholinergic neurons and ectopic hippocampal ingrowths…”
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Chronic cerebrovascular insufficiency induces dementia-like deficits in aged rats by de la Torre, J C, Fortin, T, Park, G A, Butler, K S, Kozlowski, P, Pappas, B A, de Socarraz, H, Saunders, J K, Richard, M T

“…Young and aged rats were subjected to cerebrovascular insufficiency (CVI) for 3 and 9 weeks. At the end of each time period, local cerebral blood flow (lCBF),…”
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Perinatal manganese exposure: Behavioral, neurochemical, and histopathological effects in the rat by Pappas, B.A., Zhang, D., Davidson, C.M., Crowder, T., Park, G.A.S., Fortin, T.

“…Manganese chloride (Mn) was dissolved in the drinking water (0,2, or 10 mg/ml) of dams and their litters from conception until postnatal day (PND) 30…”
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Brain blood flow restoration 'rescues' chronically damaged rat CA1 neurons by de la Torre, J C, Fortin, T, Park, G A, Pappas, B A, Richard, M T

“…Middle aged rats (13 months) were subjected to chronic cerebrovascular insufficiency (CVI) for 9 weeks using a 3-vessel occlusion technique. This CVI injury…”
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Reversal of ischemic-induced chronic memory dysfunction in aging rats with a free radical scavenger–glycolytic intermediate combination by de la Torre, J.C, Nelson, N, Sutherland, R.J, Pappas, B.A

“…Rats were subjected to bilateral carotid artery occlusion (2-VO) or sham occlusion (No-VO) and tested 12 weeks for visuo–spatial memory (VSM) function. After…”
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192 IgG-saporin lesion of basal forebrain cholinergic neurons in neonatal rats by Pappas, B.A., Davidson, C.M., Fortin, T., Nallathamby, S., Park, G.A.S., Mohr, E., Wiley, R.G.

“…Seven day old rats received bilateral intraventricular injections (200 ng) of the immunotoxin 192 IgG-saporin. When assayed in adulthood, these rats showed an…”
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4: Improving young adolescents’ puberty knowledge: A randomized controlled trial by Cousineau, Tara M., Ph.D, Franko, Debra L., Ph.D, Watt, Meredith, M.S.W, Brevard, Julie A., M.P.H, Pappas, Jessica, B.A

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Reserpine abolishes movement-correlated atropine-resistant neocortical low voltage fast activity by Vanderwolf, C H, Pappas, B A

“…Following a large dose of atropine, rats display large amplitude slow waves in the neocortex during immobility, tremor, tooth-chattering and face-washing (Type…”
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Behavioural effects of neonatal systemic 6-hydroxydopamine by Saari, M, Pappas, B A

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Measurement of the arterial input function using changes in T/sub 2/ in the aorta for dynamic contrast-enhanced MR imaging of cancerous lesions in the rat by Cron, G.O., Wallace, J.C., Stevens, W.D., Fortin, T., Pappas, B.A., Kelcz, F., Santyr, G.E.

“…Dynamic contrast-enhanced MR imaging (DCE-MRI) of the breast involves rapid (/spl sim/10 s), repeated imaging after intravenous administration of contrast…”
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Are the dorsal noradrenergic bundle projections from the locus coeruleus important for neocortical or hippocampal activation? by Robinson, T E, Vanderwolf, C H, Pappas, B A

“…Three different methods were used to examine the importance of the dorsal noradrenergic bundle projections from the locus coeruleus (LC) in activation of the…”
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Ontogeny of the post-decapitation convulsion in the rat: effects of neonatal systemic 6-hydroxydopamine by Saari, M, Ings, R, Pappas, B A

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Monoamine replacement after reserpine: catecholaminergic agonists restore motor activity but phenylethylamine restores atropine-resistant neocortical low voltage fast activity by Vanderwolf, C H, Robinson, T E, Pappas, B A

“…A large dose of reserpine abolishes an atropine-resistant form of neocortical low voltage fast activity (LVFA) which normally accompanies certain patterns of…”
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Failure to replicate the dorsal bundle extinction effect: telencephalic norepinephrine depletion does not reliably increase resistance to extinction but does augment gustatory neophobia by Tombaugh, T N, Pappas, B A, Roberts, D C, Vickers, G J, Szostak, C

“…Depletion of telencephalic noradrenaline (Ne), caused by lesion of the dorsal tegmental bundle, has been reported to increase persistence of non-reinforced…”
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