Biological activity of tropolone.

abstract：:Potent ligands of peroxisome proliferator-activated receptor γ (PPARγ) such as thiazolidinediones (pioglitazone, troglitazone, etc.) improve insulin sensitivity by increasing the levels of adiponectin, an important adipocytokine associated with insulin sensitivity in adipose tissue. Several constituents from medicinal...

journal_title：Biological & pharmaceutical bulletin

authors： Matsuda H,Nakamura S,Yoshikawa M

更新日期：2014-01-01 00:00:00

abstract：:Hepatoprotective effect of celosian, an acidic polysaccharide isolated from the water extract of the seed of Celosia argentea, was investigated using chemical and immunological liver injury models. Celosian inhibited the elevation of serum enzyme (GPT, GOT, LDH) and bilirubin levels on carbon tetrachloride (CC1(4))-in...

journal_title：Biological & pharmaceutical bulletin

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

更新日期：1996-04-01 00:00:00

abstract：:Bee pollen consists of floral pollen mixed with bee secretions and nectar. It has been considered as a functional food and has different kinds of biologically active ingredients, such as flavonoids, polyphenols, phytosterols and minerals. However, its function in cognition has yet been investigated. In the present stu...

journal_title：Biological & pharmaceutical bulletin

authors： Liao Y,Bae HJ,Zhang J,Kwon Y,Koo B,Jung IH,Kim HM,Park JH,Lew JH,Ryu JH

更新日期：2019-01-01 00:00:00

abstract：:Thyroid hormone, thyroxine (T4) binding to glycosylated human serum albumin (G-HSA), and native human serum albumin (HSA) were studied as a function of pH using the fluorescence method. T4 binding affinity for G-HSA was remarkably reduced in an alkaline pH as compared with the native HSA. The thermodynamic parameters ...

journal_title：Biological & pharmaceutical bulletin

authors： Okabe N,Yoshida S

更新日期：1995-01-01 00:00:00

abstract：:Salazosulfapyridine (SASP) is widely used orally and rectally in the treatment of ulcerative colitis. SASP is mainly metabolized by hydrolysis and the main active metabolite, 5-aminosalicylic acid (5-ASA), has an antiinflammatory effect. In the present study, we prepared suppositories containing 6.5 mmol of SASP and a...

journal_title：Biological & pharmaceutical bulletin

authors： Tokui K,Asai Y,Arakawa T,Matsumoto T,Nabeshima T

更新日期：2002-02-01 00:00:00

abstract：:Low molecular weight metabolites produced by the intestinal microbiome that have been associated with health and disease as metabolites need to be constantly absorbed from the intestinal lumen and transported to intestinal epithelial cells and blood. Polyamines, especially spermidine and spermine, are bioactive chemic...

journal_title：Biological & pharmaceutical bulletin

authors： Matsumoto M

更新日期：2020-01-01 00:00:00

abstract：:We measured the activity and stability of three mannosyltransferases to ascertain the mechanisms of changes in the antigenicity and the mannan structure of Candida albicans cells cultured at high temperature (37 degrees C) under acidic (pH 2.0) conditions in a liquid medium. The alpha-1,6-mannosyltransferase (alpha-1,...

journal_title：Biological & pharmaceutical bulletin

authors： Goto K,Okawa Y

更新日期：2008-07-01 00:00:00

abstract：:The accumulation of amyloid β(1-42) peptide (Aβ(1-42)) in retina is implicated in the development of retinal ganglion cell apoptosis and diabetic retinopathy. In this study we demonstrate that spontaneous diabetes mellitus Otsuka Long-Evans Tokushima Fatty (OLETF) rats can be used as an animal model in studies to iden...

journal_title：Biological & pharmaceutical bulletin

authors： Nagai N,Ito Y,Tanino T

更新日期：2015-01-01 00:00:00

abstract：:A current anti-inflammatory agent often targets the prevention of inflammatory disorder development. The standardized Centella asiatica ECa 233 extract has been previously reported for anti-inflammatory effect. This study aimed to investigate its anti-inflammatory effect and mechanisms of ECa 233 in lipopolysaccharide...

journal_title：Biological & pharmaceutical bulletin

authors： Sukketsiri W,Tanasawet S,Moolsap F,Tantisira MH,Hutamekalin P,Tipmanee V

更新日期：2019-01-01 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：:Joint hypermobility syndrome (JHS) (also termed hypermobility type Ehlers-Danlos syndrome, hEDS) is a heritable connective tissue disorder that is characterized by generalized joint hypermobility, chronic pain, fatigue, and minor skin changes. Initially, it was reported that there is a small subset of patients with JH...

journal_title：Biological & pharmaceutical bulletin

authors： Yamada K,Watanabe A,Takeshita H,Fujita A,Miyake N,Matsumoto N,Matsumoto KI

更新日期：2019-01-01 00:00:00

abstract：:It is therapeutically important to elucidate the factors involved in the radiation resistance of tumors. We previously showed that ATP is released from mouse melanoma B16 cells in response to γ-irradiation, but the role of adenosine, a metabolite of ATP, is still unclear. Here, we show that the adenosine A2B receptor ...

journal_title：Biological & pharmaceutical bulletin

authors： Tanaka Y,Kitabatake K,Abe R,Tsukimoto M

更新日期：2020-03-01 00:00:00

abstract：:Cell-penetrating peptides (CPPs) have been highly anticipated as an efficient delivery system due to their ability to cross biological membranes and transport various cargoes into cells. In the present study, we have identified adenovirus-derived CPPs using various capsid-mutant adenovirus (Ad) vectors. First, we exam...

journal_title：Biological & pharmaceutical bulletin

authors： Hirai T,Yamagishi Y,Koizumi N,Nonaka M,Mochida R,Shida K,Nomura T,Fujii M,Sakurai F,Mizuguchi H,Watanabe Y,Utoguchi N

更新日期：2017-01-01 00:00:00

abstract：:UDP-N-acetylglucosaminyl transferase (OGT) resides in both cytosolic and nuclear compartments and catalyzes O-linked glycosylation of various proteins. In the current study, we have extracted protein from nuclear DNA (chromatin protein) using 0.2% NP-40 detergent. Addition of chromatin protein to either cytosolic or n...

journal_title：Biological & pharmaceutical bulletin

authors： Okuyama R,Marshall S

更新日期：2004-08-01 00:00:00

abstract：:Infection of human cell with human immunodeficiency virus type-1 (HIV-1) was suppressed by cellular genetic factor(s) at reverse transcription step. Although same amount of virus adsorbed on both cells, small amount of HIV-1 (IIIB strain) infected HeLa (MAGI/CCR5) cell, while large amount of HIV-1 infected HOS (GHOST/...

journal_title：Biological & pharmaceutical bulletin

authors： Tempaku A

更新日期：2005-05-01 00:00:00

abstract：:The inhibitory effect of clindamycin on beta-lactamase biosynthesis was investigated in beta-lactam resistant bacteria with inducible and/or constitutive production of the enzyme(s). Clinical isolates of Enterobacter cloacae (E. cloacae) and Pseudomonas aeruginosa (P. aeruginosa) were examined. Three strains of each, ...

journal_title：Biological & pharmaceutical bulletin

authors： Nishihata T,Kunieda S,Nakahama C,Soejima R

更新日期：1994-05-01 00:00:00

abstract：:A fungus of Pestalotiopsis species produced an extracellular, water-soluble polysaccharide (PS-N). PS-N exhibited significant hypoglycemic activity in streptozotocin-induced diabetic mice following intraperitoneal administration and had an effect on oral glucose tolerance in normal mice following oral administration. ...

journal_title：Biological & pharmaceutical bulletin

authors： Kiho T,Itahashi S,Sakushima M,Matsunaga T,Usui S,Ukai S,Mori H,Sakamoto H,Ishiguro Y

更新日期：1997-02-01 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：:Melanogenesis inhibitory and free radical scavenging activities of nine cyclic (1-9) and one acyclic diarylheptanoids (10), and two phenolic compounds, (+)-rhododendrol (11) and (+)-catechin (12), isolated from the ethyl acetate-soluble fraction of the MeOH extract of the bark of Acer nikoense MAXIM. (Aceraceae) were ...

journal_title：Biological & pharmaceutical bulletin

authors： Akazawa H,Akihisa T,Taguchi Y,Banno N,Yoneima R,Yasukawa K

更新日期：2006-09-01 00:00:00

abstract：:Cry j 1 is one of the major allergens in Japanese cedar pollen. We attempt high throughput analysis and comprehensive identification of the linear IgE epitopes of Cry j 1. A series of overlapping synthetic Cry j 1 peptides chemically spotted on cellulose membrane was probed with sera from patients in Japan and United ...

journal_title：Biological & pharmaceutical bulletin

authors： Takagi K,Teshima R,Sawada J

更新日期：2005-08-01 00:00:00

abstract：:The inhibitory effects of various sulfated compounds on the activities of sialidases purified from porcine liver and human placenta were investigated. Among the sulfated compounds tested, heparin, dextran sulfate, condroitin sulfates and sulfatide significantly inhibited the 4-methylumbelliferyl-alpha-N-acetylneuramin...

journal_title：Biological & pharmaceutical bulletin

authors： Nagaoka M,Shiraishi T,Furuhata K,Uda Y

更新日期：1998-11-01 00:00:00

abstract：:We investigated the genotypic status of thiopurine methyltransferase (TPMT) polymorphism to evaluate the possible risk of the toxicity of azathioprine (AZA) in 68 patients with systemic lupus erythematosus (SLE). The allele frequency of TPMT mutation in the SLE group (2.9%) was higher than that in 174 Japanese healthy...

journal_title：Biological & pharmaceutical bulletin

authors： Okada Y,Nakamura K,Kodama T,Ueki K,Tsukada Y,Maezawa A,Tsukamoto N,Nojima Y,Ishizaki T,Horiuchi R,Yamamoto K

更新日期：2005-11-01 00:00:00

abstract：:This study sought to investigate the ameliorating effects of soy 11S protein on the impacts of alcohol consumption in rat hepatocytes and in reducing total cholesterol levels and total lipid levels in the serum. Liver histology and the clinically important enzyme markers (Aspartate Aminotransferase: AST and Alanine Am...

journal_title：Biological & pharmaceutical bulletin

authors： Park KJ,Kim HY,Chang BJ,Lee HH

更新日期：2004-10-01 00:00:00

abstract：:A protocol for de novo regeneration and rapid micropropagation of Scrophularia yoshimurae (Scrophulariaceae) has been developed. Multiple shoot development was achieved by culturing the shoot-tip, leaf-base, stem-node and stem-internode explants on Murashige and Skoog (MS) medium supplemented with 4.44 microM N6-benzy...

journal_title：Biological & pharmaceutical bulletin

authors： Sagare AP,Kuo CL,Chueh FS,Tsay HS

更新日期：2001-11-01 00:00:00

abstract：:In this study, the effects of N-acyl taurates (NATs) on the intestinal absorption of curcumin (CUR), a water-insoluble and poorly absorbed compound, were examined in rats. Sodium methyl lauroyl taurate (LMT) and sodium methyl cocoyl taurate (CMT) were the most effective in increasing the solubility and intestinal abso...

journal_title：Biological & pharmaceutical bulletin

authors： Li X,Kawamura A,Sato Y,Morishita M,Kusamori K,Katsumi H,Sakane T,Yamamoto A

更新日期：2017-01-01 00:00:00

abstract：:Extracellular nucleotides have multiple biological actions in processes such as proliferation, differentiation, chemotaxis, and cytokine secretion through P2X receptors on the cell surface. To determine the biological activity of adenosine triphosphate (ATP) and the expression of P2 nucleotide receptors in murine bone...

journal_title：Biological & pharmaceutical bulletin

authors： Yoon MJ,Lee HJ,Lee YS,Kim JH,Park JK,Chang WK,Shin HC,Kim DK

更新日期：2007-04-01 00:00:00

abstract：:A biologically active quinone that exhibits a growth-inhibitory effect on rat liver cancer cells was isolated from the nest of a social wasp, Vespa simillima (Vespinae, Vespidae). The structure was unambiguously determined by NMR and synthetic experiments and identified as being 7,8-seco-para-ferruginone. The syntheti...

journal_title：Biological & pharmaceutical bulletin

authors： Fujiwara Y,Mangetsu M,Yang P,Kofujita H,Suzuki K,Ohfune Y,Shinada T

更新日期：2008-04-01 00:00:00

abstract：:The effects of exogenously applied gibberellic acid (GA(3)) or brassinolide (BL) on the H(+)-pumps and aquaporin in the vacuolar membrane of rice seedling leaf sheath were investigated. Antibodies against mung bean H(+)-PPase, the B subunit of V-ATPase, and radish tonoplast intrinsic protein (TIP) cross-reacted with t...

journal_title：Biological & pharmaceutical bulletin

authors： Yang S,Maeshima M,Tanaka Y,Komatsu S

更新日期：2003-01-01 00:00:00

abstract：:P-Glycoprotein (ABCB1-type P-gp), a membrane protein encoded by the multi drug resistant gene (MDR1), expressing on the blood brain barrier protects the brain from many drugs including dexamethasone. Psychiatric disorders, schizophrenia and depression, have known to have abnormal hypothalamus-pituitary-adrenal (HPA) a...

journal_title：Biological & pharmaceutical bulletin

authors： Qian W,Homma M,Itagaki F,Tachikawa H,Kawanishi Y,Mizukami K,Asada T,Inomata S,Honda K,Ohkohchi N,Kohda Y

更新日期：2006-12-01 00:00:00

abstract：:Nicotine, an addictive substance, is absorbed from the lungs following inhalation of tobacco smoke, and distributed to various tissues such as liver, brain, and retina. Recent in vivo and in vitro studies suggest the involvement of a carrier-mediated transport process in nicotine transport in the lung, liver, and inne...

journal_title：Biological & pharmaceutical bulletin

authors： Tega Y,Yamazaki Y,Akanuma SI,Kubo Y,Hosoya KI

更新日期：2018-01-01 00:00:00