Utility of gastrointestinal physiology regulated-dogs: bioavailability study of a commercial sustained-release dosage form of theophylline.

abstract：:The convulsant interaction between enoxacin (ENX), a new quinolone antibacterial agent (NQ), and felbinac (FLB), a non-steroidal anti-inflammatory drug (NSAID), in vivo was reproduced as the change of GABA-induced current response in Xenopus oocytes injected with mouse brain mRNA. GABA (10 microM) response was inhibit...

journal_title：Biological & pharmaceutical bulletin

authors： Kawakami J,Shimokawa M,Yamamoto K,Sawada Y,Asanuma A,Yanagisawa K,Iga T

更新日期：1993-07-01 00:00:00

abstract：:Mouse brain microsomes contain an amidase that catalyzes the hydrolysis of N-arachidonylethanolamide to arachidonic acid and ethanolamine. The enzymatic activity is dependent on the protein concentration of the microsomes and observed over a wide range of pH, 7.4 to 9.5. Kinetic analysis indicated that K(m) (microM) a...

journal_title：Biological & pharmaceutical bulletin

authors： Watanabe K,Kayano Y,Matsunaga T,Yamamoto I,Yoshimura H

更新日期：1996-08-01 00:00:00

abstract：:Plasma hyaluronan-binding protein (PHBP), a serine protease that can activate coagulation factor VII and prourokinase, circulates in a single-chain form (pro-PHBP) and autoproteolytically converts to an active two-chain form with the aid of an effector such as spermidine and heparin. It has been postulated that PHBP p...

journal_title：Biological & pharmaceutical bulletin

authors： Yamamoto E,Nishimura N,Okada K,Sekido C,Yamamichi S,Hasumi K

更新日期：2011-01-01 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：:Sec61β is the β subunit of the Sec61 translocon and is responsible for expression and delivery of basolateral membrane proteins, including claudins, major constituents of tight junction (TJ). In the present study, the effect of Sec61β overexpression on TJ barrier functions in Madin-Darby canine kidney (MDCK) cells wer...

journal_title：Biological & pharmaceutical bulletin

authors： Washiyama M,Koizumi N,Fujii M,Watanabe Y

更新日期：2014-01-01 00:00:00

abstract：:The possible role of quercetin, a naturally occurring plant flavonoid, in protecting against oxygen-glucose deprivation (OGD)-, excitotoxins-, and free radical-induced neuronal injury in mouse cortical cell cultures was investigated. Pre- and co-treatment with quercetin (100 microM) inhibited 50 min OGD-, 20 microM N-...

journal_title：Biological & pharmaceutical bulletin

authors： Ha HJ,Kwon YS,Park SM,Shin T,Park JH,Kim HC,Kwon MS,Wie MB

更新日期：2003-04-01 00:00:00

abstract：:Escherichia coli BM2506 produced macrolide 2'-phosphotransferase II [MPH (2') II]. A gene for MPH (2') II, designated mphB, is located on plasmids pTZ3721 and pTZ3723 in E. coli BM2506. In the present study, we determined the nucleotide sequence of the 6.5-kb EcoRI-PstI fragment containing mphB on pTZ3721. The DNA reg...

journal_title：Biological & pharmaceutical bulletin

authors： Katayama J,Noguchi N

更新日期：1999-02-01 00:00:00

abstract：:The mechanism of inactivation of cholinesterase (EC 3.1.1.8) by the Cu2+ -ascorbic acid (AsA) system was investigated. Incubation of the enzyme with the Cu2+ -AsA system under aerobic conditions resulted in an irreversible loss of enzyme activity. At low concentrations of Cu2+, the extent of inactivation showed the sa...

journal_title：Biological & pharmaceutical bulletin

authors： Kanazawa H,Fujimoto S,Ohara A

更新日期：1995-09-01 00:00:00

abstract：:Hepatocellular carcinoma (HCC) is the most common type of liver cancer with high mortality worldwide. Traditional chemotherapy for HCC is not widely accepted by clinical practitioners because of its toxic side effects. Thus, there is a need to identify chemotherapeutic drugs against HCC. AMP-activated protein kinase (...

journal_title：Biological & pharmaceutical bulletin

authors： Sul YH,Lee MS,Cha EY,Thuong PT,Khoi NM,Song IS

更新日期：2013-01-01 00:00:00

abstract：:Lutein is a carotenoid and it has antioxidant effects. Lutein may have a protective effect on ischemia reperfusion (I/R) injury induced by free radical species. However, little is known about the protective effect of lutein on I/R injury in vivo. The present study was undertaken to clarify the protective effects of lu...

journal_title：Biological & pharmaceutical bulletin

authors： Ogura W,Itagaki S,Kurokawa T,Noda T,Hirano T,Mizuno S,Iseki K

更新日期：2006-08-01 00:00:00

abstract：:Treatment of Xenopus blastula with activin converts undifferentiated presumptive ectoderm (animal cap) into mesoderm and endoderm in a dose-dependent manner. At low concentrations, activin induces ventral mesoderm such as blood cells. Here we show that activin-treated aggregates of animal cap cells prepared from undif...

journal_title：Biological & pharmaceutical bulletin

authors： Nagamine K,Furue M,Fukui A,Matsuda A,Hori T,Asashima M

更新日期：2007-10-01 00:00:00

abstract：:Bupleuri Radix (Chai-hu in Chinese and Saiko in Japanese) is one of the most important traditional Chinese crude drugs for treating hepatitis malaria and intermittent fever. B. kaoi is one of the Bupleurum spp. families locally found in Taiwan. The effects of saponin-enriched fraction (SEF) from Bupleurum Kaoi in huma...

journal_title：Biological & pharmaceutical bulletin

authors： Hsu YL,Kuo PL,Weng TC,Yen MH,Chiang LC,Lin CC

更新日期：2004-07-01 00:00:00

abstract：:Although macrophage phagocytoses modified low-density lipoprotein (LDL), excessive accumulation of modified LDL induces macrophage foam cell formation, which is a feature of atherosclerotic plaque. Thus, the identification of scavenger receptor for modified LDL will provide better understanding of an atherosclerotic e...

journal_title：Biological & pharmaceutical bulletin

authors： Miki Y,Tachibana Y,Ohminato Y,Fujiwara Y

更新日期：2015-01-01 00:00:00

abstract：:The effect of activins AB and B on DNA synthesis stimulated by epidermal growth factor (EGF) was studied in primary cultured rat hepatocytes and compared with the effect of activin A, a suppressor of DNA synthesis. Activin AB inhibited DNA synthesis as assessed by [3H]thymidine incorporation. The inhibition by activin...

journal_title：Biological & pharmaceutical bulletin

authors： Niimi S,Horikawa M,Seki T,Ariga T,Kobayashi T,Hayakawa T

更新日期：2002-04-01 00:00:00

abstract：:Sulfapyridine (SP), one of the metabolites of sulfasalazine (SASP), is further metabolized into N-acetylsulfapyridine (AcSP) by polymorphic N-acetyltransferase 2 (NAT2). NAT2 activity has been diagnosed by phenotyping, that is, evaluating plasma concentrations or urinary excretions of tentatively administered test dru...

journal_title：Biological & pharmaceutical bulletin

authors： Tanigawara Y,Kita T,Aoyama N,Gobara M,Komada F,Sakai T,Kasuga M,Hatanaka H,Sakaeda T,Okumura K

更新日期：2002-08-01 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：: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：:Osteoporosis (OP) is increasingly becoming one of a major health concerns all over the world. However, the limitations of current therapeutic drugs for OP are including considerable side effects and low efficacy. Therefore, it is required to develop new therapeutic drugs for OP. This study aimed to investigate the rol...

journal_title：Biological & pharmaceutical bulletin

authors： Liu M,Meng Y,He K,Luan C

更新日期：2021-01-01 00:00:00

abstract：:Bis(indole) alkaloids, of the topsentin class (1-4) and hamacanthin class (5-9), isolated from the marine sponge Spongosorites sp. were investigated using several biological assays. In the evaluation of antimicrobial activity against various strains of bacteria and fungi, compounds of the hamacanthin class exhibited m...

journal_title：Biological & pharmaceutical bulletin

authors： Oh KB,Mar W,Kim S,Kim JY,Lee TH,Kim JG,Shin D,Sim CJ,Shin J

更新日期：2006-03-01 00:00:00

abstract：:Two fractions of neutral alpha-glucosidase were partially purified from the insoluble fraction of bovine lens. This is the first report of such an event to the best of our knowledge. The apparent native molecular weights of these fractions were 121 kDa (fraction-I) and 254 kDa (fraction-II). Both fractions contained t...

journal_title：Biological & pharmaceutical bulletin

authors： Kamei A,Fujiyama O

更新日期：1995-08-01 00:00:00

abstract：:Dihydropyrazines (DHPs), which are derived from sugars, inhibit the growth of Escherichia coli. Addition of copper(II) ion (Cu2+) accelerates the effect of DHPs, resulting in cell death. Investigation of the lethal effect in several DNA repair-deficient or detoxifying enzyme-deficient mutant strains and radical scaven...

journal_title：Biological & pharmaceutical bulletin

authors： Takeda O,Takechi S,Katoh T,Yamaguchi T

更新日期：2005-07-01 00:00:00

abstract：:Proteasome inhibitors are a novel class of molecular-targeted anti-cancer drugs that suppress the degradation of malfolded proteins, trigger endoplasmic reticulum (ER) stress, and activate apoptosis signals. Glucose-regulated protein 78 (GRP78), a major ER chaperone, is one of the most important molecules for transduc...

journal_title：Biological & pharmaceutical bulletin

authors： Matsumura K,Sakai C,Kawakami S,Yamashita F,Hashida M

更新日期：2014-01-01 00:00:00

abstract：:Two carboxylesterases with pI 6.0 and 6.2 derived from rat liver microsomes were purified. The two isozymes were remarkably different in substrate specificity, but they had equal enzymatic activity for alpha-naphthyl acetate and were inhibited equally by phenylmethylsulfonyl fluoride (PMSF) and bis-(4-nitrophenyl) pho...

journal_title：Biological & pharmaceutical bulletin

authors： Luan L,Sugiyama T,Takai S,Usami Y,Adachi T,Katagiri Y,Hirano K

更新日期：1997-01-01 00:00:00

abstract：:In a previous study, we reported that one of the gel-forming (1-->3)-beta-D-glucans, grifolan (from Grifola frondosa, GRN), stimulated cytokine production from macrophages in vitro. However, several other gel-forming (1-->3)-beta-D-glucans, such as sonifilan (SPG) and SSG, did not induce cytokine production from macro...

journal_title：Biological & pharmaceutical bulletin

authors： Okazaki M,Adachi Y,Ohno N,Yadomae T

更新日期：1995-10-01 00:00:00

abstract：:Lectin-like receptors natural killer group 2D (NKG2D) and CD94 on natural killer (NK) cells bind to α2,3-NeuAc-containing N-glycans and heparin/heparan sulfate (HS). Using recombinant glutathione S-transferase-fused extracellular lectin-like domains of NKG2D (rGST-NKG2Dlec) and CD94 (rGST-CD94lec), we evaluated their ...

journal_title：Biological & pharmaceutical bulletin

authors： Higai K,Suzuki C,Imaizumi Y,Xin X,Azuma Y,Matsumoto K

更新日期：2011-01-01 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：: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：:To study the role of asarinin on collagen-induced arthritis (CIA) and its treatment mechanism on dendritic cells (DCs) and T cells. Before the onset of arthritis, asarinin were given orally to CIA mouse. Macroscopic scoring and micrometer caliper measurement were used to assess arthritis. The occurrence of cartilage d...

journal_title：Biological & pharmaceutical bulletin

authors： Dai Q,Wang M,Li Y,Li J

更新日期：2019-07-01 00:00:00

abstract：:We describe herein the development of a high affinity and specific DNA aptamer as a new ligand for use in liposomal nanoparticles to target cultured mouse tumor endothelial cells (mTECs). Active targeted nanotechnology based drug delivery systems are currently of great interest, due to their potential for reducing sid...

journal_title：Biological & pharmaceutical bulletin

authors： Ara MN,Matsuda T,Hyodo M,Sakurai Y,Ohga N,Hida K,Harashima H

更新日期：2014-01-01 00:00:00

abstract：:We performed experiments on the cis-inhibition and trans-stimulation effect on pirarubicin uptake in order to clarify the involvement of a carrier in the pirarubicin, daunorubicin and/or doxorubicin transport systems in rat polymorphonuclear leukocytes. The uptake of daunorubicin and doxorubicin was a saturable concen...

journal_title：Biological & pharmaceutical bulletin

authors： Nagasawa K,Nomiyama M,Ohnishi N,Yokoyama T,Iwakawa S,Okumura K

更新日期：1994-09-01 00:00:00