Protective effects of panduratin A against oxidative damage of tert-butylhydroperoxide in human HepG2 cells.

abstract：:Polyporus (P.) umbellatus, an endangered medicinal fungus in China, is distributed throughout most areas of the country. Thirty-seven natural P. umbellatus samples collected from 12 provinces in China were subjected to the inter-simple sequence repeat (ISSR) assay to investigate the genetic diversity within and among ...

journal_title：Biological & pharmaceutical bulletin

authors： Liu MM,Xing YM,Guo SX

更新日期：2015-01-01 00:00:00

abstract：:The antitumour activity of the methanolic extract of Glinus lotoides (MGL) has been evaluated against Dalton's ascitic lymphoma (DAL) in Swiss albino mice. A significant enhancement of mean survival time of tumour bearing mice and peritoneal cell count in normal mice was observed with respect to the control group. Whe...

journal_title：Biological & pharmaceutical bulletin

authors： Kavimani S,Manisenthilkumar KT,Ilango R,Krishnamoorthy G

更新日期：1999-11-01 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：:We examined the association of biological components in airborne particles, i.e., proteins and endotoxins, in outdoor air with asthma exacerbation in the Fukuoka metropolitan area, Fukuoka, Japan. Data on emergency department (ED) visits for asthma in children (age, 0-14 years) and adults (age, 15-64 years) were colle...

journal_title：Biological & pharmaceutical bulletin

authors： Ishida T,Khan MS,Kodama H,Uejima Y,Kawase Y,Matsumoto T,Yamamura Y,Sera N,Gotou T,Hirakawa M,Yano Y,Shima M,Yamagishi N,Wakabayashi K,Watanabe T

更新日期：2020-01-01 00:00:00

abstract：:Coenzyme Q10 (Co-Q10) is a vitamin-like supplement which appears to be safe, with minimal side effects and low drug interaction potential. Co-Q10 is used in the treatment of a variety of disorders related primarily to suboptimal cellular energy metabolism and oxidative injury. Studies supporting the efficacy of Co-Q10...

journal_title：Biological & pharmaceutical bulletin

authors： Ewees MG,Messiha BA,Abo-Saif AA,Abd El-Latif HA

更新日期：2016-01-01 00:00:00

abstract：:Hinokitiol (beta-thujaplicin), beta-dolabrin and gamma-thujaplicin isolated from Thujopsis dolabrata SIEB. et ZUCC var hondai MAKINO showed antifungal activities against all of the wood-rotting fungi examined. The antifungal activity of three compounds on Daedalea dickinsii IFO-4979 was especially strong, their minimu...

journal_title：Biological & pharmaceutical bulletin

authors： Inamori Y,Sakagami Y,Morita Y,Shibata M,Sugiura M,Kumeda Y,Okabe T,Tsujibo H,Ishida N

更新日期：2000-08-01 00:00:00

abstract：:The utility of using a multifunctional envelope-type nano device (MEND) for delivering a gene to the liver was examined. Lipotrust, a commercially available transfection reagent whose lipid composition is DC6- 14 :DOPE: cholesterol=4 : 3 : 3, was used as a reference. When Lipotrust was administrated intravenously, luc...

journal_title：Biological & pharmaceutical bulletin

authors： Yamauchi J,Hayashi Y,Kajimoto K,Akita H,Harashima H

更新日期：2010-01-01 00:00:00

abstract：:Only a few biosynthetic pathways in fungal cells have been used as antifungal targets. Therefore, the number of antifungals has been limited, and a cross-drug resistance among them has emerged in the therapy of mycoses. Under such circumstances, the identification of an antifungal with a new mode of action is highly d...

journal_title：Biological & pharmaceutical bulletin

authors： Aoki Y,Kamiyama T,Fujii T,Yamamoto M,Ohwada J,Arisawa M

更新日期：1995-09-01 00:00:00

abstract：:We developed a novel fluorometric assay method for the measurement of glycosyltransferase activities using mono- and di-saccharides aminated and tagged with 7-hydroxycoumarin-3-carboxylic acid (coumarin) as substrates, N-acetylglucosamine (GlcNAc)-coumarin for beta1,4-galactosyltransferase from bovine milk and Gal bet...

journal_title：Biological & pharmaceutical bulletin

authors： Higai K,Masuda D,Matsuzawa Y,Satoh T,Matsumoto K

更新日期：1999-04-01 00:00:00

abstract：:A lower serum cholesterol level was recently shown to be one of the causes of stroke in an epidemiological study. Spontaneously hypertensive rats stroke-prone (SHRSP) have lower serum cholesterol levels than normotensive Wistar-Kyoto rats (WKY). To elucidate the mechanisms responsible for the lower serum cholesterol l...

journal_title：Biological & pharmaceutical bulletin

authors： Michihara A,Mido M,Matsuoka H,Mizutani Y

更新日期：2015-01-01 00:00:00

abstract：:Glucocorticoids are effective drugs for the treatment of allergic skin diseases. In the present study, we observed the effects of prednisolone on the cutaneous reaction and skin barrier function in mice treated with a hapten, 2,4-dinitrofluorobenzene. Repeated hapten application onto the mouse ear resulted in a potent...

journal_title：Biological & pharmaceutical bulletin

authors： Ueda Y,Sone T,Inagaki N,Nagai H

更新日期：2003-05-01 00:00:00

abstract：:Cephradine-containing ethylcellulose microparticles (MPC) were prepared by the solvent evaporation method. Chitosan-coated MPC (Chi-MPC) were prepared by doping MPC with viscous chitosan solution and subsequently drying. When fluorescein isothiocyanate (FITC)-labeled chitosan-coated ethylcellulose microparticles witho...

journal_title：Biological & pharmaceutical bulletin

authors： Takishima J,Onishi H,Machida Y

更新日期：2002-11-01 00:00:00

abstract：:The variable region of heavy chain [V(H)] of human rheumatoid factor (hRF) IgM was connected with the variable region of light chain [V(L)] with the peptide-linker (GGGSGGGSGGGS) by genetic engineering method and the single-chain Fv (scFv) was expressed in E. coli. On design, scFv and scFv (tag) were planned; the latt...

journal_title：Biological & pharmaceutical bulletin

authors： Hashimoto Y,Ikenaga T,Tanigawa K,Ueda T,Ezak I,Imoto T

更新日期：2000-08-01 00:00:00

abstract：:The riboflavin sensitized oxidation of cysteine under an aerobic condition was investigated. The effects of various scavengers, such as superoxide dismutase, catalase, mannitol, sodium azide and potassium ferrocyanide (an electron donor), on the photooxidation were determined. A reaction mechanism involving the supero...

journal_title：Biological & pharmaceutical bulletin

authors： Sarkar B,Das U,Bhattacharyya S,Bose SK

更新日期：1997-08-01 00:00:00

abstract：:Granisetron (GRN) is widely used for patients with various cancers who suffer from chemotherapy-induced vomiting and nausea. The, pharmacokinetics of GRN has not been fully evaluated in such patients, however, and its dosage regimen is still controversial. In this study, we determined GRN levels in serum and urine fro...

journal_title：Biological & pharmaceutical bulletin

authors： Wada I,Takeda T,Sato M,Saitoh H,Nakabayashi T,Mino K,Honma T,Takada M,Hirano K

更新日期：2001-04-01 00:00:00

abstract：:Tumor necrosis factor-alpha (TNF-α) plays an important role in the developing process of inflammatory bowel disease. Tight junction protein zonula occludens-1 (ZO-1), one of epithelial junctional proteins, maintains the permeability of intestinal barrier. The objective of this study was to investigate the mechanism of...

journal_title：Biological & pharmaceutical bulletin

authors： Wang L,Zhang R,Chen J,Wu Q,Kuang Z

更新日期：2017-04-01 00:00:00

abstract：:The sialic acid binding lectin from bullfrog Rana catesbeiana oocyte (cSBL) is known to have anti-tumor activity. In order to investigate the relationship between the net charge of cSBL and its anti-tumor effect, cSBL was modified with a water-soluble carbodiimide (EDC) in the presence of three kinds of nucleophiles, ...

journal_title：Biological & pharmaceutical bulletin

authors： Iwama M,Ogawa Y,Sasaki N,Nitta K,Takayanagi Y,Ohgi K,Tsuji T,Irie M

更新日期：2001-09-01 00:00:00

abstract：:Two angiotensin-I-converting enzyme (ACE) inhibitory peptides were isolated from a tryptic hydrolysate of human serum albumin (HSA). The peptides were identified by sequencing and other analyses as Ala-Trp and the nonapeptide Ala-Phe-Lys-Ala-Trp-Ala-Val-Ala-Arg (human albutensin A), corresponding to f(213-214) and f(2...

journal_title：Biological & pharmaceutical bulletin

authors： Nakagomi K,Ebisu H,Sadakane Y,Fujii N,Akizawa T,Tanimura T

更新日期：2000-07-01 00:00:00

abstract：:Alzheimer's beta-amyloid protein (A beta) is the main component of senile plaques, which are characteristic hallmarks of the Alzheimer's disease brain. Recently, there have been several reports that A beta has toxic effects on both cultured neurons and in the brain. We confirmed the neurotoxicity of A beta in vitro an...

journal_title：Biological & pharmaceutical bulletin

authors： Hasegawa Y,Sugimoto E,Endo T,Ogawa K,Aratake H,Morikawa A,Kitaguchi N

更新日期：1995-12-01 00:00:00

abstract：:Cynanchum wilfordii is one of most widely used medicinal plants in Oriental medicine for the treatment of various conditions. In the present study, we isolated cynandione A (CA) from an extract of Cynanchum wilfordii roots (CWE) and investigated the effects of CA on the expression of inducible nitric oxide synthase (i...

journal_title：Biological & pharmaceutical bulletin

authors： Yang SB,Lee SM,Park JH,Lee TH,Baek NI,Park HJ,Lee H,Kim J

更新日期：2014-01-01 00:00:00

abstract：:The induction of a mutant DnaA protein (DnaA E204Q) with decreased intrinsic ATPase activity in cells causes a lethal phenotype. Based on our results that the decreased ATPase activity of DnaA E204Q is activated to the level of a wild-type protein in the presence of partially purified stimulating factors for DnaA ATPa...

journal_title：Biological & pharmaceutical bulletin

authors： Makise M,Sakamoto K,Tsuchiya T,Mizushima T

更新日期：1999-09-01 00:00:00

abstract：:The first-pass intestinal metabolism of 5-fluorouracil (5-FU) was investigated by single-pass perfusion of the rat small intestine. At the low concentration of 0.06 mg/ml, the fraction of 5-FU absorbed into (i.e., appeared in) the mesenteric venous blood (Fa,b) was about 50% smaller than the fraction absorbed (disappe...

journal_title：Biological & pharmaceutical bulletin

authors： Gu J,Yuasa H,Hayashi Y,Watanabe J

更新日期：1998-08-01 00:00:00

abstract：:To elucidate insecticidal activity of spider toxins, metal ions in venoms and in the bodies were determined by thin layer chromatography, spark source mass spectrometry, ion chromatography, inductively coupled plasma emission spectrometry and atomic absorption spectrometry. Two kinds of spiders were used, Nephila clav...

journal_title：Biological & pharmaceutical bulletin

authors： Yoshioka M,Narai N,Shinkai A,Tokuda T,Saito K,Shioya M,Tokoro N,Kono Y

更新日期：1994-04-01 00:00:00

abstract：:In order to isolate a cholesterol-lowering compound from Alpinia katsumadai, an inhibitor for acyl-CoA : cholesterol acyltransferase (ACAT), an enzyme responsible for the cholesterol ester formation in liver, was purified, its chemical structure was determined, and in vivo and in vitro inhibition activities were perfo...

journal_title：Biological & pharmaceutical bulletin

authors： Choi SY,Lee MH,Choi JH,Kim YK

更新日期：2012-01-01 00:00:00

abstract：:The surface topology of ligands on liposomes is an important factor in active targeting in drug delivery systems. Accurately evaluating the density of anchors and bioactive functional ligands on a liposomal surface is critical for ensuring the efficient delivery of liposomes. For evaluating surface ligand density, it ...

journal_title：Biological & pharmaceutical bulletin

authors： Lee SH,Sato Y,Hyodo M,Harashima H

更新日期：2016-01-01 00:00:00

abstract：:The pulmonary vein contains a myocardial layer extending from the left atrium, which is receiving attention as the source of ectopic electrical activity underlying atrial fibrillation. Electrophysiological and pharmacological analysis of the pulmonary vein myocardium performed in various experimental animal species ha...

journal_title：Biological & pharmaceutical bulletin

authors： Namekata I,Tsuneoka Y,Tanaka H

更新日期：2013-01-01 00:00:00

abstract：:To explore the mechanism responsible for puromycin aminonucleoside induced-nephrotoxicity, metal content was preliminarily investigated in the kidneys of rats that had received a single subcutaneous injection of the agent (80 mg/kg body weight). In the group that received this agent, the renal content of Fe rose on da...

journal_title：Biological & pharmaceutical bulletin

authors： Fukata M,Hayashi T,Terui J,Sudo J

更新日期：1994-06-01 00:00:00

abstract：:PEGylation is an established method for improving the pharmacokinetic properties and pharmacodynamic effects of therapeutic proteins. Amino conjugation by N-hydroxysuccinimide activated polyethylene glycol (PEG-NHS) represents the most common modification of the target proteins. In this study, we compared the reaction...

journal_title：Biological & pharmaceutical bulletin

authors： Nojima Y,Iguchi K,Suzuki Y,Sato A

更新日期：2009-03-01 00:00:00

abstract：:Oxidized low-density lipoprotein (oxLDL) and reactive oxygen species (ROS) play key roles in the early stage of atherosclerosis. Nitric oxide (NO) and ROS are responsible for regulation of the transcriptional pathways of nuclear Factor-kappaB (NF-kappaB) and mitogen-activated protein kinase (MAPK), key regulators of c...

journal_title：Biological & pharmaceutical bulletin

authors： Han JM,Jin YY,Kim HY,Park KH,Lee WS,Jeong TS

更新日期：2010-01-01 00:00:00

abstract：:To determine the mechanism involved, the incorporation rate (ICR) of drugs into hair was compared to melanin affinity, lipophilicity and membrane permeability. The following 20 drugs were tested; amphetamine, methamphetamine, p-hydroxyamphetamine, p-hydroxymethamphetamine, cocaine, benzoylecgonine, ecgonine methyl est...

journal_title：Biological & pharmaceutical bulletin

authors： Nakahara Y,Takahashi K,Kikura R

更新日期：1995-09-01 00:00:00