نتایج جستجو برای: dynamic assessment da

تعداد نتایج: 1297712  

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2004
Tao Xie Liqiong Tong Una D McCann Jie Yuan Kevin G Becker Annis O Mechan Christopher Cheadle David M Donovan George A Ricaurte

In mice, the recreational drug (+/-)3,4-methylenedioxymethamphetamine [MDMA ("ecstasy")] produces a selective toxic effect on brain dopamine (DA) neurons. Using cDNA microarray technology in combination with an approach designed to facilitate recognition of relevant changes in gene expression, the present studies sought to identify genes potentially involved in murine MDMA-induced toxicity to D...

When the number of training samples is limited, feature reduction plays an important role in classification of hyperspectral images. In this paper, we propose a supervised feature extraction method based on discriminant analysis (DA) which uses the first principal component (PC1) to weight the scatter matrices. The proposed method, called DA-PC1, copes with the small sample size problem and has...

Firouz Ghaderi Pakdel, Mostafa Ashrafi Osalou, Parviz Shahabi, Sanaz Amirabadi, Somayyeh Naderi, Ulker Cankurt,

Introduction: The most common interpretation for the mechanisms of antidepression is the increase of the brain monoamine levels such as dopamine (DA). The increase of DA can reduce depression but it can also decrease the monoamine release because of autoreceptor inhibition. Although bupropion can decrease the dopamine release, there is evidence about stimulatory effects of chronic application o...

Journal: :Radiation Oncology (London, England) 2009
Naoko Sanuki-Fujimoto Satoshi Ishikura Kazushige Hayakawa Kaoru Kubota Yutaka Nishiwaki Tomohide Tamura

BACKGROUND The purpose of this study was to analyze the radiotherapy (RT) quality assurance (QA) assessment in Japan Clinical Oncology Group (JCOG) 0202, which was the first trial that required on-going RT QA review in the JCOG. METHODS JCOG 0202 was a multi-center phase III trial comparing two types of consolidation chemotherapy after concurrent chemoradiotherapy for limited-disease small ce...

Journal: :International Journal of English Linguistics 2016

Journal: :Journal of neurophysiology 2011
Takashi Tateno Hugh P C Robinson

Hyperpolarization-activated and cyclic nucleotide-gated (HCN) channels are expressed in dopaminergic (DA) neurons of the ventral tegmental area (VTA) as well as in DA and GABAergic neurons of the substantia nigra (SN). The excitation of DA neurons induced by ethanol has been proposed to result from its enhancing HCN channel current, I(h). Using perforated patch-clamp recordings in rat midbrain ...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2009
Eva Andres-Mateos Rebeca Mejias Masayuki Sasaki Xiaojie Li Brian M Lin Saskia Biskup Li Zhang Rebecca Banerjee Bobby Thomas Lichuan Yang Guosheng Liu M Flint Beal David L Huso Ted M Dawson Valina L Dawson

Mutations in the leucine-rich repeat kinase 2 (LRRK2) gene are the most common known cause of Parkinson's disease (PD). Whether loss of LRRK2 function accounts for neurodegeneration of dopamine neurons in PD is not known, nor is it known whether LRRK2 kinase activity modulates the susceptibility of dopamine (DA) neurons to the selective dopaminergic toxin, 1-methyl-4-phenyl-1,2,3,6-tetrahydropy...

2017
Yuna Noguchi Nichiwa Matsuzawa Youichi Akama Kenta Sekiguchi Shiori Takehana Yoshihito Shimazu Mamoru Takeda

Background Although decanoic acid (DA) is thought to act as a muscarinic cholinergic agonist, effect of DA on nociceptive behavioral responses and the excitability of nociceptive neuronal activity under in vivo conditions remain to be determined. The aim of the present study, therefore, was to investigate whether in vivo acute administration of ointment containing DA affects the excitability of...

2011
Sarah Threlfell Stephanie Jane Cragg

Mesostriatal dopaminergic neurons and striatal cholinergic interneurons participate in signaling the motivational significance of environmental stimuli and regulate striatal plasticity. Dopamine (DA) and acetylcholine (ACh) have potent interactions within the striatum at multiple levels that include presynaptic regulation of neurotransmitter release and postsynaptic effects in target cells (inc...

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