Meditation's impact on default mode network and hippocampus in mild cognitive impairment: a pilot study.

abstract：:In the present study, tyrosine hydroxylase (TH; EC 1.14.16.2) cDNA was transfected into cultured fibroblasts and the production of L-3,4-dihydroxyphenylalanine (L-DOPA) was determined. Type 2 TH cDNA was transfected into fibroblasts (NRK-49F) derived from the normal rat kidney, and the expression of the TH minigene wa...

journal_title：Neuroscience letters

authors： Uchida K,Ishii A,Kaneda N,Toya S,Nagatsu T,Kohsaka S

更新日期：1990-02-16 00:00:00

abstract：:After hypoxic-ischemic insult iron deposited in the brain catalyzes formation of reactive oxygen species. Newborn rats, showing reduced physiological body temperature and their hyperthermic counterparts injected with deferoxamine (DF), a chelator of iron, are protected both against iron-mediated neurotoxicity and agai...

journal_title：Neuroscience letters

authors： Kletkiewicz H,Nowakowska A,Siejka A,Mila-Kierzenkowska C,Woźniak A,Caputa M,Rogalska J

更新日期：2016-08-15 00:00:00

abstract：:Asperger Syndrome (AS) is characterized by normal language development but deficient understanding and use of the intonation and prosody of speech. While individuals with AS report difficulties in auditory perception, there are no studies addressing auditory processing at the sensory level. In this study, event-relate...

journal_title：Neuroscience letters

authors： Jansson-Verkasalo E,Ceponiene R,Kielinen M,Suominen K,Jäntti V,Linna SL,Moilanen I,Näätänen R

更新日期：2003-03-06 00:00:00

abstract：:The nerve growth factor (NGF) precursor protein proNGF is the predominant NGF moiety found in the human neocortex and exhibits pro-apoptotic properties when bound to the p75(NTR) neurotrophin receptor in the presence of sortilin, a Vps10p domain trafficking protein. Recently studies have shown that proNGF levels incre...

journal_title：Neuroscience letters

authors： Mufson EJ,Wuu J,Counts SE,Nykjaer A

更新日期：2010-03-08 00:00:00

abstract：:Bilateral complete transection of the fimbria-fornix causes a significant increase in nerve growth factor (NGF) content both in the septum and hippocampus of the adult rat as measured by a sensitive immunoassay 7 days after lesioning. The finding, that elevation of NGF in septum (250%) was much more pronounced than th...

journal_title：Neuroscience letters

authors： Weskamp G,Gasser UE,Dravid AR,Otten U

更新日期：1986-09-25 00:00:00

abstract：:Cold defense mechanisms in mice are attenuated in the light phase during fasting, resulting in hypothermia. The present study examined whether specific neurons and areas in the SCN are related to the response. Mice were fasted over 47h or remained fed, during which they were placed at 20 or 27°C for 3h in the light or...

journal_title：Neuroscience letters

authors： Uchida Y,Tokizawa K,Nagashima K

更新日期：2014-09-05 00:00:00

abstract：:Currently, the black/white preference test has been used to evaluate anxiety-like behaviors in zebrafish. However, several inconsistent results have been reported across literature. Since animal behavior can be influenced by several environmental factors, the main goal of the present study was to investigate the influ...

journal_title：Neuroscience letters

authors： Córdova SD,Dos Santos TG,de Oliveira DL

更新日期：2016-04-21 00:00:00

abstract：:Recently, there has been a lot of interest in the neuroimaging community in exploring fMRI time-series measures of local neuronal activity and excitation/inhibition (E/I) balance in the brain. In this preliminary study we probed the sensitivity of widely used sample entropy (SE) measure at multiple scales to controlle...

journal_title：Neuroscience letters

authors： Maltbie EA,Howell LH,Sun PZ,Miller R,Gopinath KS

更新日期：2020-05-29 00:00:00

abstract：:Learning is important for humans and can be disrupted by disease. However, the essence of how learning may be represented within a neuronal network is still elusive. Spike trains generated by neurons have been demonstrated to carry information which is relevant for learning. The present study uses well-established mut...

journal_title：Neuroscience letters

authors： Jog MS,Aur D,Connolly CI

更新日期：2007-01-22 00:00:00

abstract：:The interaction between ATP-activated channels and the nicotinic receptor-channels has been reported in neuronal cells. To elucidate the mechanisms underlying the interaction, the currents activated by ATP and acetylcholine (ACh) were recorded from cell-free membrane patches excised from rat sympathetic neurons. When ...

journal_title：Neuroscience letters

authors： Nakazawa K,Inoue K

更新日期：1993-11-26 00:00:00

abstract：:Spinocerebellar ataxia type 17 (SCA17) is an autosomal dominant neurodegenerative disease caused by CAG expansion in the gene encoding the TATA-binding protein (TBP). The neurological features of SCA17 are Purkinje cell loss and gliosis. We have generated SCA17 transgenic mice which recapitulate the patients' phenotyp...

journal_title：Neuroscience letters

authors： Lin CW,Fan CH,Chang YC,Hsieh-Li HM

更新日期：2020-11-01 00:00:00

abstract：:We compared, for a number of ligands to the two receptors, the displacement of [3H]strychnine binding to the glycine-gated chloride channel of spinal cord and brainstem synaptic membranes to the displacement of [3H]glycine binding to the NMDA receptor complex of hippocampal and cortex synaptic membranes. Glycine and b...

journal_title：Neuroscience letters

authors： Pullan LM,Powel RJ

更新日期：1992-12-14 00:00:00

abstract：:Painful vincristine (VCR) neuropathy is a frequent and dose-limiting problem in cancer treatment. Here, we investigated how pain behavior is modulated in mice lacking the serotonin transporter (5-HTT-/- mice) after inducing neuropathy by intraperitoneal injections of VCR. We used standard tests for evoked pain, high p...

journal_title：Neuroscience letters

authors： Hansen N,Uçeyler N,Palm F,Zelenka M,Biko L,Lesch KP,Gerlach M,Sommer C

更新日期：2011-05-16 00:00:00

abstract：:A procedure for dissociating viable taste cells from the rodent tongue was described. After the tongue was excised, the foliate and circumvallate papillae from the posterior region were blocked to small pieces and incubated for 2-3 h in a calcium-free salt solution containing the enzyme papain. The pieces were then tr...

journal_title：Neuroscience letters

authors： Herness MS

更新日期：1989-11-20 00:00:00

abstract：:Neurones immunoreactive to an antibody against a pigment-dispersing hormone (PDH-ir) are considered to be pacemaker cells in the neuronal circadian system of flies. We investigated the ultrastructure of PDH-ir varicosities, possible releasing sites of the PDH-like peptide, in the distal medulla of the optic lobe and i...

journal_title：Neuroscience letters

authors： Miskiewicz K,Pyza E,Schürmann FW

更新日期：2004-06-03 00:00:00

abstract：:The magnetic cell sorter (MACS) technique was applied to isolate retinal ganglion cells (RGCs) for culture. RGCs were labeled retrogradely with 1.1'-dioctadecyl-3,3,3',3'-tetramethylindocarbocyanine perchlorate (Dil). Subsequently retinal cell suspensions were incubated with biotinylated anti-rat Thy-1 antibody and MA...

journal_title：Neuroscience letters

authors： Shoge K,Mishima HK,Mukai S,Shinya M,Ishihara K,Kanno M,Sasa M

更新日期：1999-01-08 00:00:00

abstract：:Converging evidence demonstrates an important role for gangliosides in brain function and neurodegenerative diseases. Exogenous GM1 is broadly neuroprotective, including in rodent, feline, and primate models of Parkinson's disease, and has shown positive effects in clinical trials. We and others have shown that inhibi...

journal_title：Neuroscience letters

authors： Dhanushkodi A,Xue Y,Roguski EE,Ding Y,Matta SG,Heck D,Fan GH,McDonald MP

更新日期：2019-01-23 00:00:00

abstract：:Effects of intracellularly applied L-arginine and nicotinamide adenine dinucleotide phosphate (NADPH) on the dark voltage and light responses of retinal rods were studied by means of the whole-cell patch-clamp technique. In this mode an exchange of substances by diffusion between cytosol and pipette medium occurs (Pfl...

journal_title：Neuroscience letters

authors： Tsuyama Y,Nöll GN,Schmidt KF

更新日期：1993-01-04 00:00:00

abstract：:Pargyline, an inhibitor of monoamine oxidase (MAO), prevented 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced inhibition of dihydroxyphenylalanine (DOPA) production by tyrosine hydroxylase (TH) system in rat striatal tissue slices. The result suggests that the metabolism of MPTP in rat striatal tissue slic...

journal_title：Neuroscience letters

authors： Hirata Y,Nagatsu T

更新日期：1985-06-24 00:00:00

abstract：:Fluorescent tracers (Nuclear Yellow, True Blue, Fast Blue) were injected, in various combinations, into the globus pallidus and substantia nigra in three marmosets. Examination of perikarya in the ipsilateral neostriatum, well removed from pallidal injection sites, revealed that the predominant pattern was of single-l...

journal_title：Neuroscience letters

authors： Féger J,Crossman AR

更新日期：1984-08-24 00:00:00

abstract：:The actions of huperzine A (HupA), a novel cholinesterase inhibitor, on the sustained potassium current were investigated in acutely dissociated hippocampal neurons of rat. HupA inhibited the current (IC(50) = 856 +/- 1 microM) with voltage-dependency. The effect was insensitive to 3 microM atropine. Tacrine (IC(50) =...

journal_title：Neuroscience letters

authors： Li Y,Hu GY

更新日期：2002-08-30 00:00:00

abstract：:Imaging and lesion studies suggest that the cerebellum is involved in the self-generation of timed motor responses. Using repetitive transcranial magnetic stimulation (rTMS), we studied the effects of transient disruption of the lateral or medial cerebellum on a paced-finger-tapping task (PFT). Results show greater va...

journal_title：Neuroscience letters

authors： Théoret H,Haque J,Pascual-Leone A

更新日期：2001-06-22 00:00:00

abstract：:We investigated the conduction velocity of motor and autonomic nerves, motor nerve to foot interosseous muscle and cervical vagus and sympathetic nerve, in streptozotocin diabetic rats (1-3 months duration of diabetes) and compared it with that of age-matched controls. In diabetic rats, the motor nerve conduction velo...

journal_title：Neuroscience letters

authors： Yamazaki Y,Karakida T,Homma S

更新日期：1990-05-18 00:00:00

abstract：:To clarify the possible involvement of protein kinase (PK) C activation in the excitation and sensitization of polymodal receptors (PMRs), the effects of phorbol 12,13-dibutyrate (PDBu) on PMRs were studied in canine testis-spermatic nerve preparations in vitro. Application of PDBu (10(-7), 10(-6), AND 10(-5) M) for 5...

journal_title：Neuroscience letters

authors： Leng S,Mizumura K,Koda H,Kumazawa T

更新日期：1996-03-08 00:00:00

abstract：:Dorsal root potentials (DRPs) and dorsal cord potentials (DCPs) were recorded from the lumbar spinal cord in anaesthetised rats. With the spinal cord intact, low-voltage low-frequency spontaneous DRPs were recorded in synchrony on all lumbar dorsal roots. When the cord was cut at T12, spontaneous large-voltage approxi...

journal_title：Neuroscience letters

authors： Lidierth M,Wall PD

更新日期：1996-12-06 00:00:00

abstract：:The effects of caloric restriction (CR) on cognition and behavior in developing mice were investigated in this study. Male and female Kunmin mice were fed a standard rodent diet ad libitum (Control); 80% of control (20% CR) or 65% of control (35% CR) for 6 months. Body weight gain was significant reduced in CR mice re...

journal_title：Neuroscience letters

authors： Wu A,Sun X,Liu Y

更新日期：2003-03-20 00:00:00

abstract：:Hippocampal synaptic plasticity between Schaffer collaterals and CA1 pyramidal neurons can be induced by activation of N-methyl-d-aspartate receptors (NMDARs) or of metabotropic glutamate receptors (mGluRs). Inhibitory GABAergic interneurons in this region abundantly terminate on pyramidal neurons and may thus influen...

journal_title：Neuroscience letters

authors： Rohde M,Tokay T,Köhling R,Kirschstein T

更新日期：2009-12-18 00:00:00

abstract：:Ferrets show a sensitive phase in their postnatal development during which they can become imprinted to food odors. At the same time the number of granule cell spines in the olfactory bulb reaches a maximum, declining significantly thereafter. In ferrets, exposed continuously to saturated levels of geraniol odor in th...

journal_title：Neuroscience letters

authors： Apfelbach R,Weiler E

更新日期：1985-12-04 00:00:00

abstract：:We have recently observed that the free radical-generating mixture of xanthine and xanthine oxidase (X/XO) can suppress the inhibitory effects of adenosine on synaptic transmission in the hippocampus, but that this action can be mimicked by xanthine alone. We have now clarified the mechanism of these interactions by u...

journal_title：Neuroscience letters

authors： Shahraki A,Fukunari A,Stone TW

更新日期：2004-07-29 00:00:00

abstract：:Displaced ganglion cells were identified in the carp retina by the retrograde axonal transport of horseradish peroxidase injected into the optic tectum. Cells in the ganglion cell layer were all labelled, while in the amacrine cell layer only 1/4000 cells were labelled. Because of such low population, it is unlikely t...

journal_title：Neuroscience letters

authors： Tachibana M

更新日期：1978-09-01 00:00:00