Institution
Boston Road Animal Hospital, 1235 Boston Road, Springfield, MA 01119, USA.
Editor
Kintzer, P. P.
Title
Adrenal disorders.
Source
Veterinary Clinics of North America, Small Animal Practice. 1997. 27: 2, i-xi, 173-425. many ref.
Abstract
The 14 reviews in this issue are entitled: Adrenal physiology; Glucocorticoid therapy: pharmacology, indications and complications; Diagnosis of canine hyperadrenocorticism; Imaging of adrenal gland disorders; Medical treatment of pituitary-dependent hyperadrenocorticism: mitotane; Management of canine pituitary-dependent hyperadrenocorticism with l-deprenyl (Anipryl); Pituitary corticotroph macrotumours: diagnosis and treatment; Diagnosis and management of canine cortisol-secreting adrenal tumours; Complications and concurrent disease associated with canine hyperadrenocorticism; Adrenal disorders in cats; Primary and secondary canine hypoadrenocorticism; Pheochromocytoma in dogs and cats; Adrenal incidentalomas: diagnostic workup of the incidentally discovered adrenal mass; and Adrenal gland disease in ferrets. There is an index.
ISSN
0195-5616
Update Code
199700
Year of Publication
1997
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Institution
Box 673, Department of Neurology, University of Rochester Medical Center, 601 Elmwood Ave., Rochester, NY 14642, USA.
Corporate Author
Parkinson Study Group.
Title
Effects of tocopherol and deprenyl on the progression of disability in early Parkinson's disease.
Source
New England Journal of Medicine. 1993. 328: 3, 176-183. 34 ref.
Abstract
In 1987 800 patients participated in a clinical trial examining the effectiveness of deprenyl (a monoamine oxidase inhibitor) and tocopherol (a component of vitamin E that traps free radicals) in the treatment of early Parkinson's disease. They were assigned to 1 of 4 treatments: placebo, active tocopherol and deprenyl placebo, active deprenyl and tocopherol placebo or both active drugs. The primary end point was the onset of disability prompting the administration of levodopa. After a mean ( plus or minus SD) follow-up of 14 plus or minus 6 months, there was no beneficial effect of tocopherol or any interaction between tocopherol and deprenyl. The beneficial effects of deprenyl, which occurred largely during the first 12 months remained strong and significantly delayed the onset of disability requiring levodopa therapy (hazard ratio, 0.50; 95% CI, 0.41 to 0.62; P less than 0.001). The difference in the estimated median time to the end point was about 9 months. The ratings for Parkinson's disease improved during the first 3 months of deprenyl treatment; the motor performance of deprenyl-treated patients worsened after the treatments were withdrawn. Deprenyl 10 mg but not tocopherol 2000 IU daily delayed the onset of disability associated with early, otherwise untreated Parkinson's disease.
Language
English.
Publication Type
Journal article.
ISSN
0028-4793
Update Code
199400
Year of Publication
1993
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Author
Glover, V. Pycock, C. J. Sandler, M.
Institution
Bernhard Baron Memorial Res. Lab., Queen Charlotte's Hospital, London, UK.
Title
Tyramine and depressive illness. The mechanism of the 'cheese effect' and its possible prevention by (-)-deprenyl.
Source
Psychopharmacology Bulletin. 1983. 19: 3, 496-500. 12 ref.
Abstract
The 'cheese effect', a dangerous hypertensive crisis that can occur when patients taking monoamine oxidase (MAO) inhibitors eat certain foods, particularly cheese, was investigated. The involvement of tyramine in this effect was studied using the MAO inhibitors clorgyline (selective for MAO-A) and (-)-deprenyl (selective for MAO-B), the former being particularly associated with hypersensitivity to oral tyramine. 1 micro M (-)-deprenyl in vitro blocked the potentiation of the tyramine-induced release of nor-adrenaline from rat brain slices by clorgyline. The possibility of using a combination of drugs to inhibit MAO-A without producing a 'cheese effect' is discussed.
CAS Registry Numbers
51-67-2
Language
English.
Publication Type
Journal article.
Update Code
198500
Year of Publication
1983
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Copyright Thomson 2004.
Author/Editor/Inventor
Riederer, Peter [Author]; Danielczyk, Walter [Author]; Gruenblatt, Edna [Author, Reprint Author; E-mail:
[email protected]].
Institution
Neurochemical Laboratory, Clinic for Psychiatry and Psychotherapy, Bayerische Julius-Maximilians-Universitaet Wuerzburg, Fuechsleinstr. 15, 97080, Wuerzburg, Germany.
Country
Germany
Title
Monoamine oxidase-B inhibition in Alzheimer's disease.
Source
Neurotoxicology (Amsterdam). 25(1-2). January 2004. 271-277.
Publication Type
Article.
Literature Type
Literature Review.
ISSN
0161-813X
Language
English
Abstract
Alzheimer's disease (AD) is the most common cause of dementia in late life. There is still no clear-cut consensus whether this disease involves genetic or environmental factors or both. There is a great need to find a way to delay the disease, as delaying the onset of the disease will bring a great relieve on social and medical resources. The monoamine oxidase-B (MAO-B) inhibitors were shown to be effective in treating Parkinson's disease and possibly AD, with concomitant extension of life span. This article gives a short review on MAO-B inhibitors and their mechanism for neuroprotective effects in AD.
Year of Publication
2004
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Author/Editor/Inventor
Hobbenaghi, Rahim [Author]; Tiraihi, Taki [Author, Reprint Author; E-mail:
[email protected]].
Institution
Departments of Anatomical Sciences and Pathology, School of Medical Sciences, Tarbiat Modarres University, P.O. Box 14155-4838, Tehran, Iran.
Title
Neuroprotective effect of deprenyl in sensory neurons of axotomized dorsal root ganglion.
Source
Clinical Neuropharmacology. 26(5). September-October 2003. 263-269.
Abstract
Spinal motoneuron neuroprotection by deprenyl was previously reported; the present study was carried out to evaluate neuroprotectivity in the dorsal root ganglion sensory neuron. The total neuron counts were calculated, and the axotomized sensory neurons of the dorsal root ganglion were significantly lower than those of the unaxotomized sides. Three secondary and three tertiary parameters were used. The secondary parameters were: the percentages of sensory neuron increase at the axotomized side (PNIA) and at the unaxotomized side (PNIU), and the percentage of neuronal response (PNR). The tertiary parameters were: the percentages of maximal response at the axotomized side (PMRA) and at the unaxotomized side (PMRU), and the percentage of maximal relative response (PMRR). Nonlinear statistical analysis using Gaussian, quadratic and logistic models of the tertiary parameters suggested that the data were bell-shape, which indicated that the data were biphasic. The data were divided into ascending and descending sets, and linear regression. They were analyzed according to Bent-hyperbola model and the ascending set was considered as a neurotrophic phase, while the descending one as a neurotoxic phase. The slops of PMRA were higher than that of PMRU, which indicates that the axotomized neurons were more sensitive than the unaxotomized neurons to the protective and neurotoxic effect of deprenyl. Moreover, the results showed that deprenyl had a proliferative effect on the dorsal root ganglion sensory neuron.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Author/Editor/Inventor
Kochman, Agata [Author, Reprint Author; E-mail:
[email protected]]; Skolimowski, Janusz [Author]; Gebicka, Lidia [Author]; Metodiewa, Diana [Author].
Institution
Department of Pathological Anatomy, Medical University of Wroclaw, Marcinkowskiego 1, PL 50-368, Wroclaw, Poland.
Title
Antioxidant properties of newly synthesized N-propargylamine derivatives of nitroxyl: A comparison with deprenyl.
Source
Polish Journal of Pharmacology. 55(3). May-June 2003. 389-400.
Abstract
In our search for novel, low-toxic, cell-penetrable and neuroprotective antioxidants, we have designed a number of novel N-propargylamine derivatives of nitroxyl, named "JSAKs". The reactivity and antioxidative potency of two selected JSAKs and their parent nitroxyl against reactive oxygen species (ROS) were examined in vitro, in a cell-free gamma-radiolysis and in model Fenton-type reaction systems and compared with those of deprenyl, the investigated member of adjunct therapies in clinical neurology. The efficiency of JSAKs to suppress the oxidative degradation of a model target (deoxyribose), deprenyl and dopamine, caused by hydroxyl radical (.OH) was also investigated. The data demonstrated that the novel compounds, JSAKs, can act as promising antioxidants and protectors of targets against ROS toxicity, thus, providing a sound chemical basis for further comparative investigations of their activity in vivo. The findings were discussed from a mechanistic point of view as well as in terms of the structure-dependent, comprehensive properties of JSAKs as dual-function compounds: antioxidants and anti-apoptotic propargylamines. The novel class of N-propargylamine nitroxyls, JSAKs, may have potential implications for the experimental therapies of Parkinson's disease, where ROS mediate deleterious effects, because these compounds have an ability to either block or reduce the progression of neurotoxic cascade of brain damage.
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Author/Editor/Inventor
Tatton, W. [Author, Reprint Author; E-mail:
[email protected]]; Chalmers-Redman, R. [Author]; Tatton, N. [Author].
Institution
Department of Neurology, Mount Sinai School of Medicine, One Gustave L. Levy Place, Annenburg 1470, Box 1137, New York, NY, 10029-6574, USA.
Title
Neuroprotection by deprenyl and other propargylamines: Glyceraldehyde-3-phosphate dehydrogenase rather than monoamine oxidase B.
Source
Journal of Neural Transmission. 110(5). May 2003. 509-515.
Abstract
Deprenyl and other propargylamines are clinically beneficial in Parkinson's disease (PD). The benefits were thought to depend on monoamine oxidase B (MAO-B) inhibition. A large body of research has now shown that the propargylamines increase neuronal survival independently of MAO-B inhibition by interfering with apoptosis signaling pathways. The propargylamines bind to glyceraldehyde-3-phosphate dehydrogenase (GAPDH). The GAPDH binding is associated with decreased synthesis of pro-apoptotic proteins like BAX, c-JUN and GAPDH but increased synthesis of anti-apoptotic proteins like BCL-2, Cu-Zn superoxide dismutase and heat shock protein 70. Anti-apoptotic propargylamines that do not inhibit MAO-B are now in PD clinical trial.
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Author/Editor/Inventor
Schiffer, Wynne K. [Author, Reprint Author; E-mail:
[email protected]]; Azmoodeh, Manijeh [Author]; Gerasimov, Madina [Author]; Volkow, Nora D. [Author]; Fowler, Joanna S. [Author]; Dewey, Stephen L. [Author].
Institution
Chemistry Department, Brookhaven National Laboratory, Upton, NY, 11973, USA.
Title
Selegiline potentiates cocaine-induced increases in rodent nucleus accumbens dopamine.
Source
Synapse (New York). 48(1). April 2003. 35-38.
Abstract
Selegiline has been proposed as a treatment for cocaine addiction and studies in humans suggest that it attenuates cocaine's reinforcing effects. Here we assessed the effects of selegiline treatment on cocaine-induced increases in nucleus accumbens (NAc) dopamine (DA) in freely moving rodents. Chronic treatment with selegiline (L-deprenyl, 0.25/mg/kg, 24 days) potentiated cocaine-induced increases in NAc DA from 350-600%. However, this enhanced response was abolished when animals were treated chronically with both cocaine and selegiline. Inasmuch as increases in NAc DA are associated with the reinforcing effects of cocaine, these results obtained in rodents suggest that MAO-A and -B inhibition may not be a suitable strategy to antagonize cocaine's reinforcing effects during cocaine detoxification. On the other hand, chronic selegiline treatment may improve DA deficits, which are thought to contribute to relapse through a decreased response to natural rewards.
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Author/Editor/Inventor
Dringenberg, Hans C. [Reprint author]; Rubenstein, Megan L. [Author]; Solty, Heidi [Author]; Tomaszek, Summer [Author]; Bruce, Alanna [Author; E-mail:
[email protected]].
Institution
Department of Psychology, Queen's University, Kingston, ON, K7L 3N6, Canada.
Title
Electroencephalographic activation by tacrine, deprenyl, and quipazine: Cholinergic vs. non-cholinergic contributions
Source
European Journal of Pharmacology. 447(1). 28 June, 2002. 43-50.
Abstract
Drugs that stimulate central cholinergic transmission can induce activated, high frequency electroencephalographic (EEG) activity in rats. Monoaminergic enhancement also produces EEG activation, either by a direct stimulation of monoaminergic transmission in cortex, or a transsynaptic excitation of cholinergic projection neurons receiving excitatory monoaminergic afferents. We examined the degree of cholinergic involvement in EEG activation produced by monoaminergic and cholinergic drugs in rats. All animals were pretreated with 10 mg/kg reserpine and either 1 or 5 mg/kg scopolamine to abolish EEG activation. The acetylcholinesterase inhibitor tacrine (5-20 mg/kg) restored EEG activation in the low dose scopolamine group, but was less effective against the high scopolamine dose. The monoamine oxidase inhibitor deprenyl and the serotonergic receptor agonist quipazine restored EEG activation, an effect that was largely unaffected by different scopolamine doses. These results confirm that tacrine produces EEG activation by means of cholinergic stimulation. In contrast, activation produced by deprenyl or quipazine does not appear to be mediated by a transsynaptic excitation of cholinergic neurons and likely depends on a direct enhancement of cortical monoaminergic neurotransmission.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Author/Editor/Inventor
Schiffer, Wynne K. [Author, Reprint Author; E-mail:
[email protected]]; Azmoodeh, Manijeh [Author]; Gerasimov, Madina [Author]; Volkow, Nora D. [Author]; Fowler, Joanna S. [Author]; Dewey, Stephen L. [Author].
Institution
Chemistry Department, Brookhaven National Laboratory, Upton, NY, 11973, USA.
Title
Selegiline potentiates cocaine-induced increases in rodent nucleus accumbens dopamine.
Source
Synapse (New York). 48(1). April 2003. 35-38.
Abstract
Selegiline has been proposed as a treatment for cocaine addiction and studies in humans suggest that it attenuates cocaine's reinforcing effects. Here we assessed the effects of selegiline treatment on cocaine-induced increases in nucleus accumbens (NAc) dopamine (DA) in freely moving rodents. Chronic treatment with selegiline (L-deprenyl, 0.25/mg/kg, 24 days) potentiated cocaine-induced increases in NAc DA from 350-600%. However, this enhanced response was abolished when animals were treated chronically with both cocaine and selegiline. Inasmuch as increases in NAc DA are associated with the reinforcing effects of cocaine, these results obtained in rodents suggest that MAO-A and -B inhibition may not be a suitable strategy to antagonize cocaine's reinforcing effects during cocaine detoxification. On the other hand, chronic selegiline treatment may improve DA deficits, which are thought to contribute to relapse through a decreased response to natural rewards.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Djaldetti, R. [Reprint author]; Ziv, I. [Author]; Melamed, E. [Author]. The effect of deprenyl washout in patients with long-standing Parkinson's disease [Article] Journal of Neural Transmission. 109(5-6). May, 2002. 797-803.
Shoulson, Ira [Reprint author]; Oakes, David [Author]; Fahn, Stanley [Author]; Lang, Anthony [Author]; Langston, J. William [Author]; LeWitt, Peter [Author]; Olanow, C. Warren [Author]; Penney, John B. [Author]; Tanner, Caroline [Author]; Kieburtz, Karl [Author]; Rudolph, Alice [Author]; Parkinson Study Group [Author; E-mail:
[email protected]]. Impact of sustained deprenyl (selegiline) in levodopa-treated Parkinson's disease: A randomized placebo-controlled extension of the Deprenyl and Tocopherol Antioxidative Therapy of Parkinsonism trial [Article] Annals of Neurology. 51(5). May, 2002. 604-612.
Panahi, Merziah [Author]; Al-Tiraihi, Taki [Reprint author]. Morphometric evaluation of the neuroprotective effect of deprenyl on postaxotomic motor neuron losses [Article] Clinical Neuropharmacology. 25(2). March-April, 2002. 75-78.
Dong Wen-Xin [Reprint author]; Ni Xiang-Lian [Author; E-mail:
[email protected]]. Norepinephrine metabolism in neuron: Dissociation between 3,4-dihydroxyphenylglycol and 3,4-dihydroxymandelic acid pathways [Article] Acta Pharmacologica Sinica. 23(1). January, 2002. 59-65
Kitani, K. [Reprint author]; Minami, C. [Author]; Maruyama, W. [Author]; Kanai, S. [Author]; Ivy, G. O. [Author]; Carrillo, M.-C. [Author; E-mail:
[email protected]]. Common properties for propargylamines of enhancing superoxide dismutase and catalase activities in the dopaminergic system in the rat: Implications for the life prolonging effect of (-)deprenyl [Article] Journal of Neural Transmission. Supplementum. 60 2000. 139-156
Klegeris, Andis [Reprint author]; McGeer, Patrick L. [Reprint author]. R-(-)-deprenyl inhibits monocytic THP-1 cell neurotoxicity independently of monoamine oxidase inhibition [Article] Experimental Neurology. 166(2). December, 2000. 458-464
Schuler, A. [Reprint author]; Kalmanchey, R. [Author]; Barsi, P. [Author]; Somogyi, C. S. [Author]; Toros, I. [Author]; Varadi, I. [Author]; Kovacs, A. [Author]; Blau, N. [Author]. Deprenyl in the treatment of patients with tetrahydrobiopterin deficiencies [Article] Journal of Inherited Metabolic Disease. 23(4). June, 2000. 329-332.
Behan, W. M. H. [Author]; McDonald, M. [Author]; Darlington, L. G. [Author]; Stone, T. W. [Reprint author]. Oxidative stress as a mechanism for quinolinic acid-induced hippocampal damage: Protection by melatonin and deprenyl [Article] British Journal of Pharmacology. 128(8). Dec., 1999. 1754-1760
Kitani, Kenichi [Reprint author]; Kanai, Setsuko [Author]; Ivy, Gwen O. [Author]; Carrillo, Maria Cristina [Author]. Pharmacological modifications of endogenous antioxidant enzymes with special reference to the effects of deprenyl: A possible antioxidant strategy [Article] Mechanisms of Ageing & Development. 111(2-3). Nov., 1999. 211-221
Gallagher, I. M. [Author]; Clow, A. [Reprint author]; Jenner, P. [Author]; Glover, V. [Author]. Effect of long-term administration of pergolide and (-)-deprenyl on age related decline in hole board activity and antioxidant enzymes in rats [Article] Biogenic Amines. 15(3). 1999. 379-393
Alper, Gulinnaz [Reprint author]; Kulahcioglu Girgin, Ferhan [Author]; Ozgonul, Mert [Author]; Mentes, Gulriz [Author]; Ersoz, Biltan [Author]. MAO inhibitors and oxidant stress in aging brain tissue [Article] European Neuropsychopharmacology. 9(3). March, 1999. 247-252
Giladi, N. [Reprint author]; Honigman, S. [Author]; Hocherman, S. [Author]. The effect of deprenyl treatment on directional and velocity control of arm movement in patients with early stages of Parkinson's disease [Article] Clinical Neuropharmacology. 22(1). Jan.-Feb., 1999. 54-59
Melega, William P. [Reprint author]; Cho, Arthur K. [Author]; Schmitz, Debra [Author]; Kuczenski, Ronald [Author]; Segal, David S. [Author]. I-methamphetamine pharmacokinetics and pharmacodynamics for assessment of in vivo deprenyl-derived I-methamphetamine [Article] Journal of Pharmacology & Experimental Therapeutics. 288(2). Feb., 1999. 752-758
Shoulson, Ira [Reprint author]. DATATOP: A decade of neuroprotective inquiry [Article] Annals of Neurology. 44(3 SUPPL. 1). Sept., 1998. S160-S166.
Tarjanyi, Z. [Author]; Kalasz, H. [Reprint author]; Szebeni, G. [Author]; Hollosi, I. [Author]; Bathori, M. [Author]; Fuerst, S. [Author]. Gas-chromatographic study on the stereoselectivity of deprenyl metabolism [Article] Journal of Pharmaceutical & Biomedical Analysis. 17(4-5). Aug., 1998. 725-731.
Knoll, J. [Reprint author]. The history of (-)deprenyl the first selective inhibitor of type B monoamine oxidase [Article] Voprosy Meditsinskoi Khimii. 43(6). Nov.-Dec., 1997. 482-493.
Ekblom, J. [Reprint author]; Garpenstrand, H. [Author]; Tottmar, O. [Author]; Prince, J. A. [Author]; Oreland, L. [Author]. A cell culture model of cerebral ischemia as a convenient system to screen for neuroprotective drugs [Article] Journal of Neural Transmission. Supplementum. 52(0). 1998. 93-98.
40. Gil, R. [Author]; Creange, A. [Author]; Degos, J.-D. [Author]; Adle-Biassette, H. [Author]; Gray, F. [Author]. Extra-pyramidal syndrome, hallucinations and dementia in a 70-year-old woman [Article] Revue Neurologique (Paris). 153(6-7). July, 1997. 440-447
Lamensdorf, I. [Author]; Finberg, J. P. M. [Reprint author]. Reduced striatal tyrosine hydroxylase activity is not accompanied by change in responsiveness of dopaminergic receptors following chronic treatment with deprenyl [Article] Neuropharmacology. 36(10). Oct., 1997. 1455-1461
Wei, Qize [Author]; Jurma, Octavian P. [Author]; Anderson, Julie K. [Reprint author]. Increased expression of monoamine oxidase-B results in enhanced neurite degeneration in methamphetamine-treated PC12 cells [Article] Journal of Neuroscience Research. 50(4). Nov. 15, 1997. 618-626
Mukherjee, Jogeshwar [Reprint author]; Yang, Zhi-Ying [Author]. Evaluation of monoamine oxidase B inhibition by fluoxetine (Prozac): An in vitro and in vivo study [Article] European Journal of Pharmacology. 337(1). Oct. 15, 1997. 111-114