Biological activity of 4-acetyltropolone, the minor component of Thujopsis dolabrata SIeb. et Zucc. hondai Mak.

abstract：:Cytochrome P450 monooxygenases (P450s) catalyze a wide variety of monooxygenation reactions in primary and secondary metabolism in plants. The share of P450 genes in each plant genome is estimated to be up to 1%. This implies that the diversification of P450 has made a significant contribution to the ability to acquir...

journal_title：Biological & pharmaceutical bulletin

authors： Mizutani M

更新日期：2012-01-01 00:00:00

abstract：:The effect of insulin administration on bone formation was investigated in the femoral diaphysis of rats with skeletal unloading. When the femoral-diaphyseal tissues from normal rats were cultured in the presence of insulin (10(-9) and 10(-8) M) for 48 h, the hormone produced a significant increase of alkaline phospha...

journal_title：Biological & pharmaceutical bulletin

authors： Yamaguchi M,Kishi S,Hoshi T

更新日期：1993-11-01 00:00:00

abstract：:Numerous people die of paraquat (PQ) poisoning every year in the world. Although several studies regarding paraquat (PQ) poisoning have been conducted, the metabolic changes in plasma remain unknown. In this study, the metabolomics of 15 PQ poisoned patients with plasma PQ concentrations in excess of 0.1 µg/mL and 16 ...

journal_title：Biological & pharmaceutical bulletin

authors： Wang X,Zhang M,Ma J,Zhang Y,Hong G,Sun F,Lin G,Hu L

更新日期：2015-01-01 00:00:00

abstract：:The weights of prostate and seminal vesicle were decreased by treatment with 3,6-dimethylpyrazine-2-thiol(3,6-DMP-SH) but the weights of testes and the plasma testosterone levels were not changed. The recovery of the weight of prostate and seminal vesicles of testosterone-treated orchidectomized rats were inhibited by...

journal_title：Biological & pharmaceutical bulletin

authors： Yamada K,Komatsu H,Ohta A

更新日期：1996-03-01 00:00:00

abstract：:Recently we showed significance of biosurfactants in the field of non-viral vectors for gene transfection. There, a biosurfactant, mannosylerythritol lipid A (MEL-A), especially increased the efficiency of gene transfection mediated with cationic liposomes. However, the molecular mechanism has not been well-understood...

journal_title：Biological & pharmaceutical bulletin

authors： Ueno Y,Hirashima N,Inoh Y,Furuno T,Nakanishi M

更新日期：2007-01-01 00:00:00

abstract：:Microanalytical methods were developed for measuring galactosyl-beta-cyclodextrin (Gal-betaCD) and mannosyl (Man)-betaCD in biological matrices of the rat by HPLC with pulsed amperometric detection. Then, using these methods, the absorption, distribution and excretion of intravenously and orally administered Gal-betaC...

journal_title：Biological & pharmaceutical bulletin

authors： Kubota Y,Sanbe H,Koizumi K

更新日期：2000-04-01 00:00:00

abstract：:Prunella vulgaris L., commonly known as "self-heal" or "heal-all," is a perennial herb with a long history of medicinal use. Phenylalanine ammonia-lyase (PAL), cinnamate 4-hydroxylase (C4H), and 4-coumarate:coenzyme-A (CoA) ligase (4CL) are important enzymes in the phenylpropanoid pathway and in the accumulation of ro...

journal_title：Biological & pharmaceutical bulletin

authors： Kim YB,Shin Y,Tuan PA,Li X,Park Y,Park NI,Park SU

更新日期：2014-01-01 00:00:00

abstract：:Reactive oxygen species (ROS) are produced in various cells and affect many biological processes. We previously reported that 2-methyl-1,4-naphtoquinone (menadione) inhibited Ca(2+) influx from the extracellular medium and exocytosis evoked by antigen stimulation in the mast cell line, RBL-2H3. Mast cells release vari...

journal_title：Biological & pharmaceutical bulletin

authors： Kawamura F,Nakanishi M,Hirashima N

更新日期：2010-01-01 00:00:00

abstract：:Effects of nebracetam, a novel nootorpic agent, on the synaptosomal uptake of neurotransmitter monoamines of the brain regions were examined. Striatal and hippocampal synaptosomes were isolated by the Percoll gradient method, and the striatal dopamine uptake and hippocampal serotonin uptake were measured in the presen...

journal_title：Biological & pharmaceutical bulletin

authors： Takeo S,Hayashi H,Tadokoro M,Takagi K,Miyake K,Takagi N,Oshikawa S

更新日期：1997-04-01 00:00:00

abstract：:To elucidate drug interaction between human immunodeficiency virus (HIV) protease inhibitors (PIs), the effect of indinavir (IDV) on the intestinal exsorption of other HIV PIs, amprenavir (APV), saquinavir (SQV) and nelfinavir (NFV) was investigated in rats using an in situ single perfusion method. IDV in the intestin...

journal_title：Biological & pharmaceutical bulletin

authors： Gao W,Kageyama M,Inoue Y,Tadano J,Fukumoto K,Fukushima K,Yamasaki D,Nishimura A,Yoshikawa Y,Shibata N,Takada K

更新日期：2003-02-01 00:00:00

abstract：:Acute pancreatitis (AP) is one kind of acute surgical abdominal disease in the world. It causes intestinal damage with subsequent bacterial migration, endotoxemia and secondary pancreatic infections. In this investigation, we determined that edaravone (EDA) reduces pancreatic and intestinal injury after AP in mice. Th...

journal_title：Biological & pharmaceutical bulletin

authors： Wang B,Lin W

更新日期：2020-01-01 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：:An accumulating body of evidence indicates that inflammation plays a crucial role in the pathophysiology of myocardial infarction (MI). Nucleotide-binding oligomerization domain-like receptor (NLR) family pyrin domain containing 3 (NLRP3) inflammasome is an intracellular multiprotein complex that regulates caspase-1 a...

journal_title：Biological & pharmaceutical bulletin

authors： Takahashi M

更新日期：2019-01-01 00:00:00

abstract：:Tetrandrine (TET), a bis-benzylisoquinoline alkaloid isolated from the dried root of hang-fang-chi (Stephania tetrandra S. Moore), is traditionally used in China for treating inflammation, hypertension and silicosis. In this study, our aim was to examine the anti-inflammatory mechanism of TET through measuring the ind...

journal_title：Biological & pharmaceutical bulletin

authors： Wu SJ,Ng LT

更新日期：2007-01-01 00:00:00

abstract：:The release kinetics of dihydroetorphine (DHE) from pressure-sensitive adhesive (PSA) tape with an ethylene-vinyl acetate co-polymer (EVA) membrane as a diffusion-controlling membrane and its protective effect from an unpredictable increase in skin permeation of DHE caused by stratum corneum damage were investigated. ...

journal_title：Biological & pharmaceutical bulletin

authors： Ohmori S,Sugiyama Y,Morimoto Y

更新日期：2001-01-01 00:00:00

abstract：:In most species, solar light is both a DNA-damaging agent and the key entraining stimulus for the endogenous circadian clock. The zebrafish is an attractive vertebrate system in which to study the influence of light on gene expression because the DNA repair proteins and circadian oscillators in this species are light-...

journal_title：Biological & pharmaceutical bulletin

authors： Osaki T,Uchida Y,Hirayama J,Nishina H

更新日期：2011-01-01 00:00:00

abstract：:An increase in the number of glucocorticoid-induced tumor necrosis factor receptor-family related gene/protein (GITR)+CD25- (or fork-head box protein 3: Foxp3-) CD4+ T cells, after treating a mouse model of arthritis with fingolimod (FTY720), and a pathogenic antigen may play a key role in the establishment of immune ...

journal_title：Biological & pharmaceutical bulletin

authors： Yoshida Y,Mikami N,Nakanishi Y,Saimoto M,Nagaike A,Shimono H,Nakano S,Tsuji T,Kohno T

更新日期：2021-01-26 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：:Mast cells are critical for initiating innate immune and inflammatory responses by releasing a number of pro-inflammatory mediators. The potential immunomodulatory properties of hydrogenated aromatic hydrocarbons have been the subject of extensive investigation, as the immune system is a sensitive target for hydrogena...

journal_title：Biological & pharmaceutical bulletin

authors： Kwon O,Lee E,Moon TC,Jung H,Lin CX,Nam KS,Baek SH,Min HK,Chang HW

更新日期：2002-09-01 00:00:00

abstract：:There exist limitations in the detection of exogenous oligosaccharides due to their polydisperse and diversiform nature, and particularly the interference of endogenous glycosaminoglycans (GAGs). Herein, a surface plasmon resonance (SPR) assay for detecting acidic oligosaccharide sugar chain (AOSC), an anti-Alzheimer'...

journal_title：Biological & pharmaceutical bulletin

authors： Guo X,Xin X,Gan L,Nie Q,Geng M

更新日期：2006-01-01 00:00:00

abstract：:The purpose of this study was to develop a method for the measurement of the cell kinetics of spleen lymphocytes using the ROSA 26 transgenic mouse ubiquitously expressing beta-galactosidase (beta-gal). Spleen lymphocytes were isolated from ROSA 26 mice and intravenously inoculated into C57BL/6 mice under normal condi...

journal_title：Biological & pharmaceutical bulletin

authors： Hosoya K,Takashima T,Matsuda K,Terasaki T

更新日期：2002-10-01 00:00:00

abstract：:Carboxamide-methylated light chain (G1L) from human serum IgG inhibited the secretion of tumor necrosis factor (TNF-alpha), one of the inflammatory cytokines, from adherent splenocytes and thioglycolate-induced peritoneal macrophages. The inhibition of TNF-alpha secretion by G1L was associated with disappearance of ty...

journal_title：Biological & pharmaceutical bulletin

authors： Mimura T,Takeuchi K,Hiramatsu K,Tsujikawa K,Kohama Y,Itoh S

更新日期：1995-10-01 00:00:00

abstract：:The inhibitory activity of 40 stilbene oligomers isolated from six plant species against topoisomerase II was evaluated, of which nine compounds showed a potent inhibitory effect, stronger than daunorubicin, a topoisomerase II inhibitor, used as an anti-cancer drug. The specificity of active stilbene oligomers on topo...

journal_title：Biological & pharmaceutical bulletin

authors： Yamada M,Hayashi K,Ikeda S,Tsutsui K,Tsutsui K,Ito T,Iinuma M,Nozaki H

更新日期：2006-07-01 00:00:00

abstract：:Hydroxylysylpyridinoline (HP), an intermolecular cross-linking amino acid, is present only in bone and cartilage collagen. We examined urinary HP levels in order to assess bone collagen metabolism using HPLC. Urinary HP excretion levels (nmol/mmol creatinine) of healthy control groups gradually increased with aging. U...

journal_title：Biological & pharmaceutical bulletin

authors： Yoshihara K,Nemoto S,Nagata M

更新日期：1994-06-01 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：:We examined whether adherence of enterohemorrhagic Escherichia coli (EHEC) O157:H7 to intestinal epithelial cells contributed to the induction of secretory immunoglobulin A (IgA) antibody production in mice. Wild-type EHEC O157:H7 and its mutants deficient in the espA, sepL, tir and eae genes, encoding adherent factor...

journal_title：Biological & pharmaceutical bulletin

authors： Nagano K,Taguchi K,Tokoro S,Tatsuno I,Mori H

更新日期：2014-01-01 00:00:00

abstract：:Acori graminei Rhizoma is one of the best-known traditional herbal medicines frequently used for the treatment of cardiovascular symptoms in Asian countries. The anti-ischemic effect of Acori graminei Rhizoma on ischemia-induced isolated rat heart was investigated through analysis of changes in perfusion pressure, aor...

journal_title：Biological & pharmaceutical bulletin

authors： Kang M,Kim JH,Cho C,Chung HS,Yoon YS,Lee Y,Hong M,Shin M,Bae H

更新日期：2006-03-01 00:00:00

abstract：:Medicinal plants with reported anti-inflammatory activity could have the potential use as anti-allergens and inhibitors of allergic contact dermatitis reactions produced by allergens and chemicals. Some species from the genus Artocarpus were reported to have anti-inflammatory activity. In the Philippines one local sou...

journal_title：Biological & pharmaceutical bulletin

authors： Salonga RB,Hisaka S,Nose M

更新日期：2014-01-01 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：:The effect of gel-forming (1-->3)-beta-D-glucan on the immunological activities of murine kupffer cells was examined. A branched type gel-forming (1-->3)-beta-D-glucan, GRN, was administered intravenously to mice. GRN associating to kupffer cells was detected by an immunohistochemical technique using anti-GRN antibody...

journal_title：Biological & pharmaceutical bulletin

authors： Adachi Y,Ohno N,Yadomae T

更新日期：1998-03-01 00:00:00