Anticytotoxin Effects of Amentoflavone to Pneumolysin.

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：:Ceramide kinase (CerK) and ceramide-1-phosphate (C1P) are involved in various cellular functions, while regulation of the enzyme activity has not been well elucidated. We herein investigated the effects of several glycerophospholipids on human recombinant CerK activity with CaCl2 and MgCl2 by measuring the formation o...

journal_title：Biological & pharmaceutical bulletin

authors： Matsuzaki W,Takahashi H,Nakamura H,Murayama T

更新日期：2016-01-01 00:00:00

abstract：:It has been suggested that the activities of type IV collagenase and/or ectopeptidases possessed by malignant cells are related to their metastatic potentials. In the present study, we examined the activities of three aminopeptidases, two serine proteases, as well as type IV collagenase, in three kinds of cell lines o...

journal_title：Biological & pharmaceutical bulletin

authors： Funahashi T,Shimamura M,Kocha T,Fukuda T,Aoyagi T

更新日期：1994-08-01 00:00:00

abstract：:Nafamostat mesilate, an ester drug with extensive hydrolysis in vivo, exhibits species difference in the relative contribution for its hydrolysis in blood and tissues. For the rat, the main hydrolysis site may be blood and human may be tissue (mainly by liver). The paper gave in vivo evidence that human tissue may giv...

journal_title：Biological & pharmaceutical bulletin

authors： Cao YG,Chen YC,Hao K,Zhang M,Liu XQ

更新日期：2008-11-01 00:00:00

abstract：:Tyrosinase is a key enzyme in the synthesis of melanin and is widely distributed in animals, plants, and microorganisms. As excessive melanin production causes not only hyperpigmenting effects on human skin but also melanosis in various foods, an inhibitor of tyrosinase has become of interest lately from a practical p...

journal_title：Biological & pharmaceutical bulletin

authors： Tsuchiya T,Yamada K,Minoura K,Miyamoto K,Usami Y,Kobayashi T,Hamada-Sato N,Imada C,Tsujibo H

更新日期：2008-08-01 00:00:00

abstract：:Polyethyleneglycol (PEG) compounds have a large hydrogen bonding capability and possess various functions that depend on the length of the chain and conformational diversity. Modification of a drug with PEG is a well-known technology for improving the physicochemical properties and biological responses of a drug. Ther...

journal_title：Biological & pharmaceutical bulletin

authors： Ishihara H

更新日期：2013-01-01 00:00:00

abstract：:Uridine diphosphate (UDP)-glucuronosyltransferase 1A1 (UGT1A1) plays important roles in the glucuronidation of various drugs and endogenous substances. Minipigs have been used as experimental animals in pharmacological and toxicological studies, because many of their physiological characteristics are similar to those ...

journal_title：Biological & pharmaceutical bulletin

authors： Miyake Y,Mayumi K,Jinno H,Tanaka-Kagawa T,Narimatsu S,Hanioka N

更新日期：2013-01-01 00:00:00

abstract：:We studied the expression in Pseudomonas aeruginosa of an erythromycin-resistance (EMr) determinant that included the mphA gene for macrolide 2'-phosphotransferase I and originated in Escherichia coli. A recombinant plasmid, pTZ3609, that consisted of the EMr determinant and a broad-host-range vector RSF1010, endowed ...

journal_title：Biological & pharmaceutical bulletin

authors： Noguchi N,Katayama J

更新日期：1998-02-01 00:00:00

abstract：:Shikonin, a major ingredient in the Chinese traditional herb Lithospermum erythrorhixon, exhibits multiple biological functions including antimicrobial, anti-inflammatory, and antitumor effects. In this study, we delineated the molecular mechanisms of shikonin in the apoptosis of 143B osteosarcoma cells. Shikonin redu...

journal_title：Biological & pharmaceutical bulletin

authors： Chang IC,Huang YJ,Chiang TI,Yeh CW,Hsu LS

更新日期：2010-01-01 00:00:00

abstract：:To elucidate molecular mechanisms of adipocyte differentiation, we previously isolated TC10-like/TC10betaLong (TCL/TC10betaL), regulators of G protein signaling 2 (RGS2), factor for adipocyte differentiation (fad) 104 and fad158, which were transiently expressed in the early phase of adipogenesis. These four genes see...

journal_title：Biological & pharmaceutical bulletin

authors： Kawaji A,Nishizuka M,Osada S,Imagawa M

更新日期：2010-01-01 00:00:00

abstract：:The present work aimed to investigate the vasorelaxant effect of isotirumalin, a dihydroflavonol isolated from Derris urucu (Leguminosae). The vasorelaxant effect of isotirumalin was investigated in the rat aorta, in the presence and in the absence of a functional endothelium. The production of nitric oxide (NO) induc...

journal_title：Biological & pharmaceutical bulletin

authors： Mendes LJ,Capettini LS,Lôbo LT,da Silva GA,Arruda MS,Lemos VS,Côrtes SF

更新日期：2011-01-01 00:00:00

abstract：:The predictability of serum vancomycin (VCM) concentrations by means of the Bayesian method was evaluated to establish whether the method can be used to select safe and effective VCM treatment regimens for individual patients. Serum VCM concentrations at the trough and 2 h after the end of infusion (peak) were measure...

journal_title：Biological & pharmaceutical bulletin

authors： Teramachi H,Hatakeyama H,Matsushita R,Imai Y,Miyamoto K,Tsuji A

更新日期：2002-10-01 00:00:00

abstract：:The tumor microenvironment is one of the key factors contributing to the efficiency of drug delivery to a tumor. It has been reported that lymphangiogenesis is induced in certain tumors. Because the lymphatic system functions as a drainage one, it is possible that tumor lymphatic vessels alter not only the tumor micro...

journal_title：Biological & pharmaceutical bulletin

authors： Shimizu K,Ikeuchi SY,Okajima A,Nakamura G,Muraoka E,Oku N

更新日期：2018-01-01 00:00:00

abstract：:Apoptotic cells must be recognized early for phagocytosis to ensure that their toxic contents do not damage neighboring cells. In some cases this is achieved via CD43-capped membrane glycoproteins, the sialylpolylactosaminyl chains of which serve as ligands for phagocytosis by macrophages. However, because many additi...

journal_title：Biological & pharmaceutical bulletin

authors： Oguri E,Miki Y,Hirano K,Yamanaka M,Beppu M

更新日期：2012-01-01 00:00:00

abstract：:Transient receptor potential vanilloid 1 (TRPV1) is primarily expressed in central and peripheral terminals of non-myelinated primary afferent neurons. We previously showed that AS1928370, a novel TRPV1 antagonist that can prevent ligand-induced activation but not proton-induced activation, ameliorates neuropathic pai...

journal_title：Biological & pharmaceutical bulletin

authors： Watabiki T,Kiso T,Tsukamoto M,Aoki T,Matsuoka N

更新日期：2011-01-01 00:00:00

abstract：:A protein was purified from rabbit seminal plasma using preparative acrylamide disc electrophoresis, ammonium sulfate precipitation and gel filtration. The protein inhibited the in vitro fertilization of mouse ova inseminated with epididymal sperm and with capacitated sperm. The inhibition was not observed, however, w...

journal_title：Biological & pharmaceutical bulletin

authors： Okabe M,Kishi Y,Ying X,Kohama Y,Mimura T,Li SS

更新日期：1993-05-01 00:00:00

abstract：:Polygonum multiflorum is widely used in the prevention and treatment of hyperlipidemia in traditional Chinese Medicine. In this study, the effects and relevant mechanisms of lipid-regulation by raw Polygonum multiflorum (RPM) were investigated. The results indicated that the basal plasma lipids, such as low-density li...

journal_title：Biological & pharmaceutical bulletin

authors： Xian Z,Liu Y,Xu W,Duan F,Guo Z,Xiao H

更新日期：2017-01-01 00:00:00

abstract：:Purslane (Portulaca oleracea L.) is popular as a potherb in many areas of Europe, Asia, and the Mediterranean region and is widely distributed around the globe. It has a wide range of pharmacological effects, such as antibacterial, anti-aging, anti-inflammatory, and anti-oxidative properties. Although the extract of p...

journal_title：Biological & pharmaceutical bulletin

authors： Kim JY,Oh HM,Kwak SC,Cheon YH,Lee MS,Rho MC,Oh J

更新日期：2015-01-01 00:00:00

abstract：:Using a plaque reduction assay, treatment of human influenza A viruses with the fruit-juice concentrate of Japanese plum (Prunus mume SIEB. et ZUCC) showed strong in vitro anti-influenza activity against human influenza A viruses before viral adsorption, but not after viral adsorption, with 50% inhibitory concentratio...

journal_title：Biological & pharmaceutical bulletin

authors： Yingsakmongkon S,Miyamoto D,Sriwilaijaroen N,Fujita K,Matsumoto K,Jampangern W,Hiramatsu H,Guo CT,Sawada T,Takahashi T,Hidari K,Suzuki T,Ito M,Ito Y,Suzuki Y

更新日期：2008-03-01 00:00:00

abstract：:Some P450 enzymes are expressed not only in the liver but also in the small intestine, and these enzymes play an important role in first-pass drug metabolism in the small intestine. Cytochrome P450 (CYP)2C19 has been confirmed to exist in the small intestine of white people, but not yet in Japanese. We investigated th...

journal_title：Biological & pharmaceutical bulletin

authors： Hayashi M,Matsumoto N,Takenoshita-Nakaya S,Takeba Y,Watanabe M,Kumai T,Takagi M,Tanaka M,Otsubo T,Kobayashi S

更新日期：2011-01-01 00:00:00

abstract：:Meiosis activating sterol (MAS), the intermediate of cholesterol biosynthesis, is an important substance to stimulate oocytes maturation in FSH-induced signal transduction pathway. Lanosterol 14alpha-demethylase (CYP51) converts lanosterol to MAS. Although MAS is firstly isolated from bovine testis, the information ab...

journal_title：Biological & pharmaceutical bulletin

authors： Wang F,Shen Y,Song X,Xia G,Chen X,Zhou B,Lei L

更新日期：2006-03-01 00:00:00

abstract：:In this paper we investigated the vascular activity and possible mechanism of Orientin, from bamboo leaves (Phyllostachys nigra), in isolated thoracic aortic rings from New Zealand rabbit. Among the four compounds, studied, only Orientin relaxed phenylephrine-induced contractions with an IC50 value of 2.28 microM in t...

journal_title：Biological & pharmaceutical bulletin

authors： Fu XC,Wang MW,Li SP,Zhang Y,Wang HL

更新日期：2005-01-01 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：:We investigated the effect of components in grapefruit juice (GFJ) on the transport of vinblastine, a substrate of P-glycoprotein (P-gp), across Caco-2 cells. The apical to basolateral flux of [3H]vinblastine was increased in the presence of GFJ extracts. The steady-state uptake of [3H]vinblastine from the apical side...

journal_title：Biological & pharmaceutical bulletin

authors： Takanaga H,Ohnishi A,Matsuo H,Sawada Y

更新日期：1998-10-01 00:00:00

abstract：:The effect of sesamol and 20 related compounds on the lipid peroxidation of liposomes induced by Fe(2)+, on the lipid peroxidation of rat liver microsomes induced by CCl(4) or NADPH and on the lipid peroxidation of mitochondria induced by ascorbate/Fe(2)+ were demonstrated. Consequently, sesamol and related compounds,...

journal_title：Biological & pharmaceutical bulletin

authors： Uchida M,Nakajin S,Toyoshima S,Shinoda M

更新日期：1996-04-01 00:00:00

abstract：:Calprotectin is a calcium- and zinc-binding protein complex that is abundant in cytosol of neutrophils. The concentration of calprotectin in extracellular fluids is greatly increased under various inflammatory conditions in vivo. We recently demonstrated that calprotectin inhibited cell growth and induced apoptosis of...

journal_title：Biological & pharmaceutical bulletin

authors： Mikami M,Kitahara M,Kitano M,Ariki Y,Mimaki Y,Sashida Y,Yamazaki M,Yui S

更新日期：1999-07-01 00:00:00

abstract：:Beta-D-Xylosidase (EC 3.2.1.37) has been purified from ginsenoside Ra-metabolizing Bifidobacterium breve K-110, which was isolated from human intestinal microflora. beta-D-Xylosidase was purified to apparent homogeneity by a combination of ammonium sulfate precipitation, QAE-cellulose, butyl-toyopearl, hydroxyapatit a...

journal_title：Biological & pharmaceutical bulletin

authors： Shin HY,Lee JH,Lee JY,Han YO,Han MJ,Kim DH

更新日期：2003-08-01 00:00:00

abstract：:3',4'-Diisovalerylkhellactone diester (PJ-1) is a coumarin derivative purified from the medicinal herb Peucedanum japonicum Thunb. We examined its in vitro effects on various aspects of platelet reactivity. PJ-1 inhibited the aggregation and ATP release of rabbit platelets induced by PAF (platelet-activating factor) a...

journal_title：Biological & pharmaceutical bulletin

authors： Hsiao G,Ko FN,Jong TT,Teng CM

更新日期：1998-07-01 00:00:00

abstract：:Changes in carbonyl reductase (CR) activity towards seven substrates in adrenal glands of female rats were investigated during estrous cycle and the circadian patterns of adrenal CR activity towards seven substrates in male rats were examined. The localization of the enzyme protein in the adrenal gland was carried out...

journal_title：Biological & pharmaceutical bulletin

authors： Inazu N,Nagashima Y,Satoh T

更新日期：1995-05-01 00:00:00

abstract：:The effect of the hypothyroidism induced by thiamazole on toxic interactions between propranolol and disopyramide were studied in chick embryos. Fertilized eggs of White Leghorns were incubated and investigated. 1.2 mg/0.2 ml/egg of thiamazole was injected into the albumen of fertilized eggs on the 9th day of incubati...

journal_title：Biological & pharmaceutical bulletin

authors： Yoshiyama Y,Kanke M

更新日期：2005-10-01 00:00:00