abstract：:We prepared a colon cancer-bearing Yoshida sarcoma rat model to examine the dose-response relationship of antitumor activity of intracolonically or orally administered 5-fluorouracil (5-FU; 45, 30, 20, 13, and 8 mg/kg). At doses of > or =20 mg/kg and > or =30 mg/kg, the 5-FU intracolonic and oral administration groups...

journal_title：Journal of pharmacological sciences

authors： Goto T,Tomizawa N,Kobayashi E,Fujimura A

更新日期：2004-06-01 00:00:00

abstract：:In this paper, we investigated interactions of the acidic oligosaccharide sugar chain (AOSC), derived from brown algae Echlonia kurome OKAM, with amyloid beta protein (Abeta). We observed that AOSC inhibited the toxicity induced by Abeta in both primarily cortical cells and the SH-SY5Y cell line. We also observed that...

journal_title：Journal of pharmacological sciences

authors： Hu J,Geng M,Li J,Xin X,Wang J,Tang M,Zhang J,Zhang X,Ding J

更新日期：2004-06-01 00:00:00

abstract：:Effects of V(1) (OPC-21268) and V(2) (OPC-31260) vasopressin antagonists on blood pressure (BP) short-term variability were investigated in adult spontaneously hypertensive rats (SHR) under basal conditions and after the stimulation of vasopressin release by hemorrhage. BP was recorded intra-arterially and sampled at ...

journal_title：Journal of pharmacological sciences

authors： Japundzić-Zigon N,Milutinović S,Jovanović A

更新日期：2004-05-01 00:00:00

abstract：:We examined the dose-dependent effects of mucopolysaccharide polysulfate (MPS) on coagulation variables and whole-blood viscosity in human blood. Both 0.01% and 0.1% MPS significantly reduced levels of both fibrin monomer and thrombin-antithrombin III complex in a manner similar to that of 2.0 IU/ml heparin sodium. Fu...

journal_title：Journal of pharmacological sciences

authors： Hitosugi M,Omura K,Kido M,Kawato H,Niwa M,Nagai T,Tokudome S

更新日期：2004-05-01 00:00:00

abstract：:MMP-9 or Gelatinase B, a member of the matrix metalloproteinase family (MMPs), plays important roles in physiological events such as tissue remodeling and in pathological processes that lead to destructive bone diseases, including osteoarthritis and periodontitis. In addition to its effect on the increase of total bon...

journal_title：Journal of pharmacological sciences

authors： Thunyakitpisal PD,Chaisuparat R

更新日期：2004-04-01 00:00:00

abstract：:The pharmacological mechanisms of a synthetic compound 1-benzyl-3-(5'-hydroxymethyl-2'-furyl) indazole (YC-1) in preventing smooth muscle cell proliferation remains to be elucidated. The present study was aimed to explore the effects of YC-1 on certain molecules responsible for cell proliferation, including transformi...

journal_title：Journal of pharmacological sciences

authors： Wu CH,Chang WC,Chang GY,Kuo SC,Teng CM

更新日期：2004-03-01 00:00:00

abstract：:GbaSM-4 cells, vascular smooth muscle cells (VSMCs) derived from brain basilar arteries, were shown to migrate toward d-nicotine by augmenting the actin cytoskeleton in their cell bodies and lamellipodia, and expression of nicotinic acetylcholine receptor (alpha7-nAChR) was detected in GbaSM-4 cells. Their chemotaxis ...

journal_title：Journal of pharmacological sciences

authors： Li S,Zhao T,Xin H,Ye LH,Zhang X,Tanaka H,Nakamura A,Kohama K

更新日期：2004-03-01 00:00:00

abstract：:This study was undertaken to identify novel approaches to pharmacological treatment of asthma. Here we hypothesize that the platelet-activating factor receptor antagonist ginkgolide B (GB) in combination with the antioxidant carotenoid astaxanthin (ASX) suppresses T cell activation comparably to two commonly-used anti...

journal_title：Journal of pharmacological sciences

authors： Mahmoud FF,Haines DD,Abul HT,Abal AT,Onadeko BO,Wise JA

更新日期：2004-02-01 00:00:00

abstract：:Microglia are macrophage-like phagocytic cells in the brain parenchyma. However, microglial function after neurodegeneration is not fully understood. In this study, occlusion of the middle cerebral artery (MCA) and reperfusion caused massive neuronal loss in the rat cerebral cortex and striatum after 3 days. When exog...

journal_title：Journal of pharmacological sciences

authors： Kitamura Y,Takata K,Inden M,Tsuchiya D,Yanagisawa D,Nakata J,Taniguchi T

更新日期：2004-02-01 00:00:00

abstract：:The present study was undertaken to examine whether plasma fibrinogen persistently elevates in subtotal nephrectomized rats, an animal model with inflammatory renal changes. Eight weeks after the induction of 5/6 nephrectomy in male Wistar rats, plasma fibrinogen concentration was determined for the next 12 weeks in t...

journal_title：Journal of pharmacological sciences

authors： Sugimoto K,Tsuruoka S,Fujimura A

更新日期：2004-01-01 00:00:00

abstract：:Although plasma NOx (NO(2)(-) and NO(3)(-)) has been used as an index of nitric oxide (NO) formation in vivo, many unreasonable results appeared even after active elimination of NOx contamination from laboratory ware. For example, plasma NOx concentrations did not increase during vasodilation mediated by the NO/cGMP p...

journal_title：Journal of pharmacological sciences

authors： Ishibashi T,Yoshida J,Nishio M

更新日期：2003-12-01 00:00:00

abstract：:Cardiovascular diseases are the most frequent and costly complication of diabetes. Many previous studies showed that ATP-sensitive potassium channels (K(ATP)) and inward rectifier potassium channels (Kir) play important regulatory roles in functions of cardiovascular tissues. It's still not very clear how these potass...

journal_title：Journal of pharmacological sciences

authors： Ren Y,Xu X,Wang X

更新日期：2003-12-01 00:00:00

abstract：:Rapid-scanning cofocal microscopy has been applied to the analysis of early phase Ca(2+) transients in ventricular and atrial cardiomyocytes. On electrical stimulation of ventricular myocytes, Ca(2+) concentration begins to rise earliest at the Z-line level and becomes uniform throughout the cytoplasm within about 10 ...

journal_title：Journal of pharmacological sciences

authors： Tanaka H,Kawanishi T,Shigenobu K

更新日期：2003-11-01 00:00:00

abstract：:Cimetidine is known to suppress the growth of several tumors, including gastrointestinal cancer, in humans and animals. Nonetheless, whether other histamine H(2)-receptor antagonists exert such tumor suppressive effects remains unclear. The effect of roxatidine acetate hydrochloride (roxatidine), an H(2)-receptor anta...

journal_title：Journal of pharmacological sciences

authors： Tomita K,Izumi K,Okabe S

更新日期：2003-11-01 00:00:00

abstract：:Photodynamic therapy (PDT) is an evolving cancer treatment with promising results in treating malignant tumors by photoactivation of a photosensitizer with a specific wavelength. The second generation photosensitizer mono-L-aspartyl chlorin e6 (NPe6) was reported to have significant efficacy in killing cancer cells in...

journal_title：Journal of pharmacological sciences

authors： Wong TW,Aizawa K,Sheyhedin I,Wushur C,Kato H

更新日期：2003-10-01 00:00:00

abstract：:To examine effects of volatile anesthetics (VAs) on steroidogenesis, cell suspensions of isolated bovine adrenocortical cells were incubated with several steroidogenic agents in the presence or absence of halothane and sevoflurane. The adrenocortical cells were dispersed by trypsin digestion of bovine adrenal cortex. ...

journal_title：Journal of pharmacological sciences

authors： Masaki E,Shoji K,Saito H,Yamazaki K,Kawamura M

更新日期：2003-10-01 00:00:00

abstract：:Synaptic transmission is conducted by neurotransmitters released from nerve terminals. Neurotransmitter release is regulated both positively and negatively by multiple mechanisms, and its regulation is believed to be one of the important mechanisms of synaptic plasticity underlying learning and memory. Various protein...

journal_title：Journal of pharmacological sciences

authors： Takahashi M,Itakura M,Kataoka M

更新日期：2003-09-01 00:00:00

abstract：:To investigate the effect of cis-N-[4-[4-(1,2-benz-isozole-3-yl)-1-piperazinyl]butyl] cyclohexane-1,2-dicarboximide hydrochloride (perospirone), a novel antipsychotic agent with high affinities for D(2)/5-HT(2) receptors, on the rat dorsal raphe (DR) neurons, an electrophysiological study was performed using the tight...

journal_title：Journal of pharmacological sciences

authors： Shiwa T,Amano T,Matsubayashi H,Seki T,Sasa M,Sakai N

更新日期：2003-09-01 00:00:00

abstract：:A segment of guinea pig ileum was used to confirm the hypothesis that [6]-gingerol and lafutidine interact with capsaicin-sensitive neurons. Addition of 30 and 100 microM [6]-gingerol (a pungent constituent of ginger) induced contraction of the ileum immediately. Like capsaicin, [6]-gingerol-induced contraction was in...

journal_title：Journal of pharmacological sciences

authors： Someya A,Horie S,Yamamoto H,Murayama T

更新日期：2003-08-01 00:00:00

abstract：:We previously reported that NG108-15 cells contain intrinsic serotonin 2C receptor (5-HT2CR). The effects of imipramine, a 5-HT2CR antagonist, on cell growth, cell viability, and the 5-HT2CR mRNA level were investigated in this study. Repeated treatment with imipramine at concentrations of 1 - 10 microM for 5 days inh...

journal_title：Journal of pharmacological sciences

authors： Sukma M,Tohda M,Watanabe H

更新日期：2003-08-01 00:00:00

abstract：:The distribution of group I metabotropic glutamate receptors in rat hippocampal cells in culture was examined by calcium imaging and immunocytochemistry. To distinguish different cell types in the culture, the effects of t-ACPD ((1S,3R)-1-aminocyclopentane-1,3-dicarboxylic acid) and of NMDA (N-methyl-D-aspartate) were...

journal_title：Journal of pharmacological sciences

authors： Yoshida Y,Matsumoto N,Tsuchiya R,Morita M,Miyakawa H,Kudo Y

更新日期：2003-07-01 00:00:00

abstract：:Although it is well known that histamine induces gastric mucosal lesions in laboratory animals, the fundamental mechanisms remain unclear. In order to further analyze the vascular mechanisms underlying histamine-induced lesions, a new model was developed in the glandular stomach via administration of histamine (40 mg/...

journal_title：Journal of pharmacological sciences

authors： Amagase K,Okabe S

更新日期：2003-06-01 00:00:00

abstract：:In the present study, we investigated whether a novel benzopyranylindol analogue, KR-31466 (KR466) (1-[(2S,3R,4S)-3,4-dihydro-2-dimethoxymethyl-3-hydroxy-2-methyl-6-nitro-2H-1-benzopyran-4-yl]-1H-indole-2-carboxylic acid ethyl ester) can attenuate hypoxic injury in heart-derived H9c2 cells and, if so, whether the prot...

journal_title：Journal of pharmacological sciences

authors： Jung YS,Jung YS,Kim MY,Kim MH,Lee S,Yi KY,Yoo SE,Lee SH,Baik EJ,Moon CH,Cho JP

更新日期：2003-05-01 00:00:00

abstract：:We investigated the effects of chronic administration of zonisamide, an antiepileptic agent, on bone metabolism in growing rats. Administration of zonisamide at a dose of 80 mg/kg per day, s.c. for 5 weeks significantly decreased bone mineral density (BMD) at the tibial metaphysis and the diaphysis. The percent rate o...

journal_title：Journal of pharmacological sciences

authors： Takahashi A,Onodera K,Kamei J,Sakurada S,Shinoda H,Miyazaki S,Saito T,Mayanagi H

更新日期：2003-04-01 00:00:00

abstract：:Although insulin-resistant states have been associated with endothelial dysfunction due to increased vascular oxidative stress, the underlying mechanisms are pooly understood. Recent experimental evidence suggests that tetrahydrobiopterin (BH(4)), the natural and essential cofactor of NO synthases (NOS), plays a cruci...

journal_title：Journal of pharmacological sciences

authors： Shinozaki K,Kashiwagi A,Masada M,Okamura T

更新日期：2003-03-01 00:00:00

abstract：:Serum prolactin levels were investigated in 41 patients with schizophrenia who were receiving clinically effective doses of perospirone or risperidone for more than 4 weeks. In order to determine baseline prolactin levels, blood samples were obtained in the morning, 10 - 14 h after antipsychotic medication. Median lev...

journal_title：Journal of pharmacological sciences

authors： Togo T,Iseki E,Shoji M,Oyama I,Kase A,Uchikado H,Katsuse O,Kosaka K

更新日期：2003-03-01 00:00:00

abstract：:The aim of this study was to characterize the effects of rebamipide on the oxidative burst of human neutrophils. The neutrophil oxidative burst was measured in the presence of rebamipide and cimetidine using lucigenin- or luminol-dependent chemiluminescence (LgCL or LmCL). Rebamipide inhibited the LmCL response stimul...

journal_title：Journal of pharmacological sciences

authors： Shimoyama T,Fukuda S,Liu Q,Fukuda Y,Nakaji S,Sugawara K

更新日期：2003-02-01 00:00:00

abstract：:The possible role of nitric oxide (NO) in anxiety following transient cerebral ischemia by a 10-min bilateral carotid occlusion was examined in mice. Two days after the ischemia, mice showed a significant decrease in time spent on the open arms in the elevated plus-maze test; and likewise, they showed shortened social...

journal_title：Journal of pharmacological sciences

authors： Nakashima MN,Ajiki K,Nakashima K,Takahashi M

更新日期：2003-01-01 00:00:00