Identification of a tryptanthrin metabolite in rat liver microsomes by liquid chromatography/electrospray ionization-tandem mass spectrometry.

abstract：:Eight new diterpenoids (1-8) have been isolated from the wood of Excoecaria agallocha (Euphorbiaceae) and their inhibitory effects on the induction of Epstein-Barr virus early antigen (EBV-EA) in Raji cells were examined to search for potent anti-tumor-promoters from natural resources. Of these compounds, the secolabd...

journal_title：Biological & pharmaceutical bulletin

authors： Konoshima T,Konishi T,Takasaki M,Yamazoe K,Tokuda H

更新日期：2001-12-01 00:00:00

abstract：:Tropolone (1). showed strong insecticidal activity on Tyrophagus putrescentiae and Dermatophagoides farinae. The insecticidal effect of 1 on both insects was stronger than that of hinokitiol (2, 4-isopropyltropolone: major component of Thujopsis dolabrata SIEB. et ZUCC. hondai MAKINO). The insecticidal activity of bot...

journal_title：Biological & pharmaceutical bulletin

authors： Morita Y,Matsumura E,Okabe T,Shibata M,Sugiura M,Ohe T,Tsujibo H,Ishida N,Inamori Y

更新日期：2003-10-01 00:00:00

abstract：:Schisandrin B (Sch B), a dibenzocyclooctadiene derivative isolated from the fruit of Schisandra chinensis, has been shown to enhance mitochondrial antioxidant status in liver, heart and brain tissues in rodents. Whether or not long-term Sch B treatment can protect against oxidative stress-induced cerebral damage remai...

journal_title：Biological & pharmaceutical bulletin

authors： Chen N,Chiu PY,Ko KM

更新日期：2008-07-01 00:00:00

abstract：:Hepatoprotective activity guided chemical analyses led to the isolation of two dicaffeoyl quinic acid derivatives, methyl 3,4-di-O-caffeoyl quinate (1) and 3,4-di-O-caffeoyl quinic acid (2) from water extract of propolis, and their structures were determined by the use of 2D NMR. These compounds were stronger antihepa...

journal_title：Biological & pharmaceutical bulletin

authors： Basnet P,Matsushige K,Hase K,Kadota S,Namba T

更新日期：1996-04-01 00:00:00

abstract：:Digitalis has been used to treat congestive heart failure for more than 200 years, although the dual effects (proliferation and death) induced by digitalis on cell growth have been known for many years, the mechanisms by which digitalis causes the actions were not completely known. The aim of this work was to characte...

journal_title：Biological & pharmaceutical bulletin

authors： Qiu J,Gao HQ,Zhou RH,Liang Y,Zhang XH,Wang XP,You BA,Cheng M

更新日期：2007-02-01 00:00:00

abstract：:NDRG2, a new member of the N-Myc downstream-regulated gene (NDRG) family, is a focus for study at present. Up to now, its expression and function in carcinoma remain to be elucidated. In this study, using a colorectal cancer tissue array and a series of 213 colorectal cancer samples, the relationship between Ndrg2 and...

journal_title：Biological & pharmaceutical bulletin

authors： Shi H,Jin H,Chu D,Wang W,Zhang J,Chen C,Xu C,Fan D,Yao L

更新日期：2009-06-01 00:00:00

abstract：:Echinacoside is a major compound of Cistanche Herb and has glutamate release-inhibiting activity in the brain. Given the involvement of excitotoxicity caused by massive glutamate in the pathophysiology of epilepsy, we explored the antiepileptic effect of echinacoside on kainic acid-induced seizures in rats. The rats w...

journal_title：Biological & pharmaceutical bulletin

authors： Lu CW,Hsieh HL,Lin TY,Hsieh TY,Huang SK,Wang SJ

更新日期：2018-11-01 00:00:00

abstract：:Alzheimer's disease (AD) is pathologically characterized by accumulation of amyloid β (Aβ) and hyperphosphorylated tau, and thereby induction of neuronal cell death. The Aβ-induced neuronal cell death has been shown to occur by several modes, such as apoptosis, necrosis, and necroptosis. Interestingly, in AD patients,...

journal_title：Biological & pharmaceutical bulletin

authors： Tagai N,Tanaka A,Sato A,Uchiumi F,Tanuma SI

更新日期：2020-01-01 00:00:00

abstract：:To further enhance the efficiency and potential of plants for phytoremediation of mercury pollution, a genetically engineered tobacco to simultaneously express mercury transporter, mercury transporter (MerT) and mercury chelator, polyphosphate (polyP) was constructed by integrating bacterial merT gene in polyphosphate...

journal_title：Biological & pharmaceutical bulletin

authors： Nagata T,Nakamura A,Akizawa T,Pan-Hou H

更新日期：2009-09-01 00:00:00

abstract：:Postprandial hypertriglyceridemia, as well as postprandial hyperglycemia, are important factors contributing to the development of cardiovascular disease in patients with type 2 diabetes. Nateglinide is a recently approved antidiabetic that suppresses postprandial hyperglycemia by stimulating the early phase of insuli...

journal_title：Biological & pharmaceutical bulletin

authors： Mine T,Miura K,Kitahara Y,Okano A,Kawamori R

更新日期：2002-11-01 00:00:00

abstract：:An alkaloid piperine isolated from the Piper Nigrum was found to inhibit lipid droplet accumulation in mouse macrophages, and especially inhibited cholesteryl ester (CE) synthesis (IC50: 25 microM). The metabolism of cholesterol from lysosome to lipid droplet was inhibited with a similar IC50 (18 microM), indicating t...

journal_title：Biological & pharmaceutical bulletin

authors： Matsuda D,Ohte S,Ohshiro T,Jiang W,Rudel L,Hong B,Si S,Tomoda H

更新日期：2008-06-01 00:00:00

abstract：:We investigated whether endogenous nitric oxide (NO) has a role as an inhibitory modulator of norepinephrine (NE)- and angiotensin II (Ang II)-induced renal effects in anesthetized dogs. Intrarenal arterial infusion of NE (100 ng/kg/min) or Ang II (10 ng/kg/min) decreased renal blood flow (RBF), glomerular filtration ...

journal_title：Biological & pharmaceutical bulletin

authors： Matsumura Y,Egi Y,Maekawa H,Miura A,Murata S,Morimoto S

更新日期：1995-04-01 00:00:00

abstract：:Elevation in the temperature induces heat stress to both host cells and the invading pathogen. This study aimed to determine whether continuous mild heat stress (increased temperature without causing significant damage to host cells) can increase susceptibility of biofilm formation of the opportunistic fungal pathogen...

journal_title：Biological & pharmaceutical bulletin

authors： Cho T,Nagao J,Imayoshi R,Kodama J,Morotomi T,Kaminishi H

更新日期：2012-01-01 00:00:00

abstract：:Many lines of evidences have shown that Panax ginseng exhibits beneficial effects on cardiovascular systems. We previously demonstrated that ginsenoside Rg(3) (Rg(3)), one of active ingredients of Panax ginseng, inhibits Ca(2+) channel currents in a stereospecific manner and affects the steady-state activation but not...

journal_title：Biological & pharmaceutical bulletin

authors： Choi SH,Lee JH,Pyo MK,Lee BH,Shin TJ,Hwang SH,Kim BR,Lee SM,Oh JW,Kim HC,Bae CS,Rhim H,Nah SY

更新日期：2009-07-01 00:00:00

abstract：:Among the calcium-binding proteins from chicken gizzard smooth muscle, smooth muscle calcium-binding protein 11 (SMCaBP 11), which is an EF-hand type calcium-binding protein, can prevent Ca2+ dependent histamine release from permeabilized rat peritoneal mast cells. This activity appears to be specific since other calc...

journal_title：Biological & pharmaceutical bulletin

authors： Fujii T,Kuzumaki N,Ogoma Y,Kondo Y

更新日期：1994-05-01 00:00:00

abstract：:Effects of certain antiallergic drugs on experimental conjunctivitis were studied with guinea pigs. Chlorpheniramine, ketotifen and levocabastine were effective in inhibiting histamine- and antigen-induced conjunctivitis in guinea pigs. By contrast, amlexanox was only effective in inhibiting antigen-induced conjunctiv...

journal_title：Biological & pharmaceutical bulletin

authors： Kamei C,Izushi K,Nakamura S

更新日期：1995-11-01 00:00:00

abstract：:The present study was undertaken to clarify the effect of group I metabotropic glutamate receptor (mGluR) antagonist, (RS)-1-aminoindan-1,5-dicarboxylic acid (AIDA) on pentetrazol-induced kindled seizures. The mechanism of the anticonvulsant effect of AIDA was also studied. Mice were anesthetized with pentobarbital; t...

journal_title：Biological & pharmaceutical bulletin

authors： Watanabe Y,Kaida Y,Takechi K,Kamei C

更新日期：2010-01-01 00:00:00

abstract：:The purpose of this study was to evaluate the accuracy of the recommended theophylline therapeutic range in the treatment of acute airway obstruction. Twenty seven patients (20 to 64 years) with acute asthma attack were given aminophylline intravenously to obtain a theophylline concentration between 10 and 20 microgra...

journal_title：Biological & pharmaceutical bulletin

authors： Nakahara Y,Murata M,Suzuki T,Ohtsu F,Nagasawa K

更新日期：1996-05-01 00:00:00

abstract：:The purpose of this research is improvement of therapeutic treatment for periodontitis by using lipophilic and/or hydrophilic zinc materials. The sample suspension injections were prepared from zinc octanate (C8Zn), zinc stearate (C18Zn), zinc sulfate hepta-hydrate (ZnSO4) and tricalcium phosphate (ZnTCP) containing 6...

journal_title：Biological & pharmaceutical bulletin

authors： Tokudome Y,Otsuka M

更新日期：2012-01-01 00:00:00

abstract：:Using a validated high-performance liquid chromatographic (HPLC) method, the pharmacokinetics of multi-constituents in Huangqin-Tang decoction were simultaneously studied both in the compound prescription and in each single herb decoction. At different intervals (0, 1, 2, 4, 8, 12, 24, 36, 48 h) after oral administrat...

journal_title：Biological & pharmaceutical bulletin

authors： Zuo F,Zhou ZM,Zhang Q,Mao D,Xiong YL,Wang YL,Yan MZ,Liu ML

更新日期：2003-07-01 00:00:00

abstract：:Curcumin, a bioactive component in tumeric, has been shown to exert antioxidant, anti-inflammatory, anticarcinogenic, hepatoprotective, and neuroprotective effects, but the effects of curcumin against manganese (Mn)-mediated neurotoxicity have not been studied. This study examined the protective effects of curcumin on...

journal_title：Biological & pharmaceutical bulletin

authors： Park E,Chun HS

更新日期：2017-08-01 00:00:00

abstract：:Distigmine bromide (distigmine) is a reversible carbamate cholinesterase (ChE) inhibitor. Its principle clinical application is in the treatment of myasthenia gravis. Distigmine is also used as a remedy for dysuria and glaucoma. Its effectiveness in the management of dysuria has been demonstrated in several clinical r...

journal_title：Biological & pharmaceutical bulletin

authors： Obara K,Tanaka Y

更新日期：2019-01-01 00:00:00

abstract：:Aconitine administered intraperitoneally (i.p.) produces bradycardia mainly by a central muscarinic action. The involvement of hypothalamic regions in the occurrence of aconitine-induced bradycardia was investigated in hypothalamus-lesioned mice. The lesions were made by passing a direct current (1.5 mA, 13 s) through...

journal_title：Biological & pharmaceutical bulletin

authors： Kimura I,Takada M,Nojima H

更新日期：1997-08-01 00:00:00

abstract：:A novel type of arylsulfate sulfotransferase (ASST) from a predominant human intestinal bacterium catalyzes the stoichiometric transfer of a sulfate group from phenolic sulfate esters to phenols. We clarified that polyphenols were better substrates of this enzyme than the corresponding glycosides. Additionally, a coum...

journal_title：Biological & pharmaceutical bulletin

authors： Konishi-Imamura L,Sato M,Dohi K,Kadota S,Namba T,Kobashi K

更新日期：1994-08-01 00:00:00

abstract：:An extract of the leaves of Apocynum venetum L. (Apocynaceae) markedly shortened the immobility time of male rats in a forced swimming test (FST) in a dose range of 30-125 mg/kg, indicating a possible antidepressant activity. This effect was comparable to that of the tricyclic antidepressant imipramine (20 mg/kg). Nei...

journal_title：Biological & pharmaceutical bulletin

authors： Butterweck V,Nishibe S,Sasaki T,Uchida M

更新日期：2001-07-01 00:00:00

abstract：:Astragali Radix (AR), is a popular herbal medicine used to treat allergic diseases in Korea, Japan and China. Our study examined the effect of an AR ethanol extract on both in vitro and in vivo murine CD4 T cells' differentiation into Th1 and Th2 subsets. CD4 T cells from Balb/c mice were activated with anti-CD3/anti-...

journal_title：Biological & pharmaceutical bulletin

authors： Kang H,Ahn KS,Cho C,Bae HS

更新日期：2004-12-01 00:00:00

abstract：:In vitro studies were conducted to identify human drug-metabolizing enzymes involved in the metabolism of SNI-2011 ((+/-)-cis-2-methylspiro [1,3-oxathiolane-5,3'-quinuclidine] monohydrochloride hemihydrate, cevimeline hydrochloride hydrate). When 14C-SNI-2011 was incubated with human liver microsomes, SNI-2011 trans-s...

journal_title：Biological & pharmaceutical bulletin

authors： Washio T,Arisawa H,Kohsaka K,Yasuda H

更新日期：2001-11-01 00:00:00

abstract：:6-(10-Hydroxydecyl)-2,3-dimethoxy-5-methyl-1,4-benzoquinone (idebenone) has been found to have a membrane-stabilizing activity in studies using lysosomes. Using dimyristoyl L-alpha-phosphatidylcholine (DMPC) as a substrate, the effects of idebenone and related benzoquinones on phospholipid digestion by phospholipase A...

journal_title：Biological & pharmaceutical bulletin

authors： Amano T,Terao S,Imada I

更新日期：1995-05-01 00:00:00

abstract：:The anti-inflammatory effects of 1,6-anhydro-3,4-dideoxy-2-furfuryl-beta-D-threo-3-enopyranose (MT2221) were investigated using animal models and compared with the effects of dexamethasone (DEX) and cyclosporin A (CYA). MT2221 inhibited carrageenan-induced acute inflammation and adjuvant arthritis in rats, as well as ...

journal_title：Biological & pharmaceutical bulletin

authors： Mizukoshi S,Tsukamoto M,Tanaka H,Nakamura K,Kato F

更新日期：1994-08-01 00:00:00

abstract：:We have previously proposed a novel deconvolution method, which can estimate first-pass metabolism of orally administered drugs. In the present study, we examined whether this deconvolution method is useful for evaluating oral dosage forms. The absorption and first-pass metabolism of orally administered aspirin formul...

journal_title：Biological & pharmaceutical bulletin

authors： Wu X,Yamashita F,Hashida M

更新日期：1999-11-01 00:00:00