Potent antihepatotoxic activity of dicaffeoyl quinic acids from propolis.

abstract：:Auditory neuropathy (AN) is a hearing disorder characterized by an abnormal auditory brainstem response (ABR). This study examined experimental AN model induced in mice following increased dosages of pyridoxine. Induced AN was examined for < or =10 weeks following the last pyridoxine treatment. To assess AN, we evalua...

journal_title：Biological & pharmaceutical bulletin

authors： Hong BN,Yi TH,Kim SY,Kang TH

更新日期：2009-04-01 00:00:00

abstract：:Four lavandulyl flavanones, (2S)-2'-methoxykurarinone (1), sophoraflavanone G (2), leachianone A (3), and (-)-kurarinone (4), which are isolated from the roots of Sophora flavescens have been tested for in vitro antimalarial activity against Plasmodium falciparum. Compounds 1-3 showed moderate antimalarial activities ...

journal_title：Biological & pharmaceutical bulletin

authors： Kim YC,Kim HS,Wataya Y,Sohn DH,Kang TH,Kim MS,Kim YM,Lee GM,Chang JD,Park H

更新日期：2004-05-01 00:00:00

abstract：:The objectives of the present study were to assess pharmacokinetics, pharmacodynamics, tolerability and safety of intravenous administration of bivalirudin, a direct thrombin inhibitor, in healthy Chinese subjects. 48 subjects were equally divided into 4 groups (0.5 mg/kg, 0.75 mg/kg, 1.05 mg/kg intravenous bolus, and...

journal_title：Biological & pharmaceutical bulletin

authors： Zhang D,Wang Z,Zhao X,Lu W,Gu J,Cui Y

更新日期：2011-01-01 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：: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：:Tetramethylpyrazine is the active ingredient of a Chinese herbal medicine. In this study, tetramethylpyrazine was tested for its activities in irradiated bone marrow stromal QXMSC1 cells. The proliferation of QXMSC1 cells was measured by MTS assay kit and flow cytometry. To identify proteins involved in the processes ...

journal_title：Biological & pharmaceutical bulletin

authors： Ma ZC,Tan HL,Xiao CR,Wang YG,Wang SQ,Gao Y

更新日期：2007-02-01 00:00:00

abstract：:2'-Fucosyllactose (2FL) is the most abundant component of the oligosaccharide content in human milk. It has been reported that 2FL has the ability to protect against infectious disease caused by bacterial pathogens. In this study, we investigated the protective effects of 2FL on particulate matter (PM)10-induced pro-i...

journal_title：Biological & pharmaceutical bulletin

authors： Lee KE,Ryu JJ,Jo YK,Yeo H,Kang S

更新日期：2019-01-01 00:00:00

abstract：:The in vitro skin permeability of 16 drugs with a wide range of lipophilicity (log P; -0.95-4.40) was evaluated by the use of an ethanol/water (60/40) binary vehicle with or without lauric acid as a permeation enhancer. The enhancing effect by the addition of lauric acid to the ethanol/water (60/40) binary vehicle cou...

journal_title：Biological & pharmaceutical bulletin

authors： Lee CK,Uchida T,Kitagawa K,Yagi A,Kim NS,Goto S

更新日期：1994-10-01 00:00:00

abstract：:A deconvolution method for estimating the first-pass metabolism of orally administered drugs is proposed. This analysis can be carried out without assuming any pharmacokinetic models. The applicability of the deconvolution method was evaluated by application to the plasma concentration-time courses of aspirin and its ...

journal_title：Biological & pharmaceutical bulletin

authors： Yamashita F,Bando H,Takakura Y,Hashida M

更新日期：1995-12-01 00:00:00

abstract：:The aim of the present study was to evaluate the effect of the aqueous extract of seeds of two varieties, namely a country and hybrid variety of Momordica charantia (MCSEt1 and MCSEt2) on oxidative stress in plasma and pancreas of streptozotocin (STZ) induced diabetic rats. Oral administration of each of the seed extr...

journal_title：Biological & pharmaceutical bulletin

authors： Sathishsekar D,Subramanian S

更新日期：2005-06-01 00:00:00

abstract：:The genome sequencing project revealed presence of two active chalcone synthase (CHS) homologues (At1g02050 and At4g34850) in the model plant Arabidopsis thaliana. We report herein the two genes encode closely related novel plant-specific type III polyketide synthases (PKSs) that produces long-chain alkyl alpha-pyrone...

journal_title：Biological & pharmaceutical bulletin

authors： Mizuuchi Y,Shimokawa Y,Wanibuchi K,Noguchi H,Abe I

更新日期：2008-12-01 00:00:00

abstract：:The anti-herpes simplex virus type 1 (HSV-1) activity of 15 oleanan-type triterpenoides including glycyrrhizin and its sapogenol was examined and their structure-activity relationships were discussed. Although glycyrrhizin which exhibited in vivo efficacy against HSV-1 replication showed moderate in vitro anti-HSV-1 a...

journal_title：Biological & pharmaceutical bulletin

authors： Ikeda T,Yokomizo K,Okawa M,Tsuchihashi R,Kinjo J,Nohara T,Uyeda M

更新日期：2005-09-01 00:00:00

abstract：:Transdermal nicotine patch (TNP) contains approximately 16.6 and 24.9 mg of nicotine per 20 and 30 cm2 (TNP-20 and TNP-30). The aims of the study are to investigate linearity of nicotine pharmacokinetics after single application of different strengths of TNP and to directly compare plasma nicotine concentrations with ...

journal_title：Biological & pharmaceutical bulletin

authors： Sobue S,Sekiguchi K,Kikkawa H,Akasaki M,Irie S

更新日期：2006-05-01 00:00:00

abstract：:An unknown adenine-related compound (UKC) in rat liver mitochondria was characterized. Based on the sensitivity to periodate oxidation, nuclease P1 digestion, property of fluorescence derivatization, elution behavior on different separation modes of HPLC columns and the mass spectrum of purified UKC, the UKC was ident...

journal_title：Biological & pharmaceutical bulletin

authors： Fujimori H,Pan-Hou H

更新日期：1998-06-01 00:00:00

abstract：:The uptake mechanism of aristolochic acid I (AAI) was investigated using Caco-2 cells cultured on dishes and permeable membranes. The uptake of AAI from the apical membrane of Caco-2 cells cultured on a dish was rapid, and a decrease in the pH of the incubation medium significantly increased uptake. Incubation at low ...

journal_title：Biological & pharmaceutical bulletin

authors： Kimura O,Haraguchi K,Ohta C,Koga N,Kato Y,Endo T

更新日期：2014-01-01 00:00:00

abstract：:The effects of grifolan (GRN), a gel-forming (1-->6)-branched (1-->3)-beta-D-glucan, on antibody production were examined. Sera from mice that were injected with GRN and trinitrophenyl ovalbumin (TNP-OVA) intraperitoneally showed a significantly increased level of anti-TNP IgG. However, injection of TNP-OVA alone show...

journal_title：Biological & pharmaceutical bulletin

authors： Adachi Y,Suzuki Y,Ohno N,Yadomae T

更新日期：1998-09-01 00:00:00

abstract：:The intestinal expression of the CYP3A subfamily was investigated in female rats, and the intestinal metabolism of two CYP3A substrates, testosterone and rifabutin, was examined and compared between males and females. CYP3A1/23 and CYP3A2 intestinal expression was barely detected in male and female rats. Although CYP3...

journal_title：Biological & pharmaceutical bulletin

authors： Aiba T,Yoshinaga M,Ishida K,Takehara Y,Hashimoto Y

更新日期：2005-02-01 00:00:00

abstract：:The purpose of this research is improvement of therapeutic treatment for periodontitis by using lipophilic and/or hydrophilic zinc materials. The sample suspension injections were prepared from zinc octanate (C8Zn), zinc stearate (C18Zn), zinc sulfate hepta-hydrate (ZnSO4) and tricalcium phosphate (ZnTCP) containing 6...

journal_title：Biological & pharmaceutical bulletin

authors： Tokudome Y,Otsuka M

更新日期：2012-01-01 00:00:00

abstract：:We examined region-dependent differences and alterations in the levels of protective thiol compounds, glutathione (GSH) and metallothionein (MT)-I and -II, in cultured rat astrocytes under several culture conditions and in brain tissues of rats at postnatal and weaning periods. Regardless of culture conditions, both p...

journal_title：Biological & pharmaceutical bulletin

authors： Adachi T,Satoh M,Pramanik R,Kuroda S,Ishido M,Kunimoto M

更新日期：2006-07-01 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：: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：:P2X7 receptor (P2X7R), a purinergic receptor, is involved in pathophysiological events such as inflammation and cell death, and thus is an attractive target for therapeutic approaches. It is reported that divalent metal cations (DMCs) inhibit P2X7R activation and that there are species differences in their inhibitory ...

journal_title：Biological & pharmaceutical bulletin

authors： Fujiwara M,Ohbori K,Ohishi A,Nishida K,Uozumi Y,Nagasawa K

更新日期：2017-01-01 00:00:00

abstract：:Glycosylation is a highly sophisticated post-translational modification of proteins that occurs in the endoplasmic reticulum (ER) and the Golgi apparatus. The vital biological functions served by protein glycosylation can be separated into two types. The first is the role of glycosylation in the extracellular environm...

journal_title：Biological & pharmaceutical bulletin

authors： Yamamoto K

更新日期：2009-05-01 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 skeletal renin–angiotensin system (RAS) is involved in the progression of osteoporosis and the active peptide within the RAS, angiotensin II (ANG II), has deleterious effects on bones. This study was performed to investigate whether suppression of the rate-limiting step of the RAS cascade by the renin inhibitor al...

journal_title：Biological & pharmaceutical bulletin

authors： Zhang FY,Yang FJ,Yang JL,Wang L,Zhang Y

更新日期：2014-01-01 00:00:00

abstract：:Prophylactic oral administration of a novel immunomodulator (immunosuppressant), FTY720 (1 mg/kg, three times a week), completely prevented the development of experimental autoimmune myasthenia gravis (EAMG) in C57BL/6 mice. EAMG has been used as an animal model for human myasthenia gravis, and was established by immu...

journal_title：Biological & pharmaceutical bulletin

authors： Kohno T,Tsuji T,Hirayama K,Iwatsuki R,Hirose M,Watabe K,Yoshikawa H,Kohno T,Matsumoto A,Fujita T,Hayashi M

更新日期：2005-04-01 00:00:00

abstract：:L-2,4-Diaminobutyrate decarboxylase (DABA DC) is a novel enzyme yielding 1,3-diaminopropane (DAP) from DABA, which has previously been purified from strains of the genera Vibrio and Acinetobacter. In this study, we also detected DABA DC activity in the species of Enterobacteriaceae: E. aerogenes, E. cloacae, E. agglom...

journal_title：Biological & pharmaceutical bulletin

authors： Yamamoto S,Mutoh N,Ikai H,Nagasaka M

更新日期：1996-10-01 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：:Uridine 5'-diphosphate-glucuronosyltransferase (UGT) catalyzes a major phase II reaction in a drug-metabolizing enzyme system. Although the UGT1A subfamily is expressed mainly in the liver, it is also expressed in the brain. The purpose of the present study was to elucidate the effect of β-naphthoflavone (BNF), one of...

journal_title：Biological & pharmaceutical bulletin

authors： Sakakibara Y,Katoh M,Kondo Y,Nadai M

更新日期：2016-01-01 00:00:00

abstract：:Deoxynybomycin was identified as an inducer of p21the/WAF1 gene following screening using a reporter, p21/luciferase. The present study examined its anti-proliferative effect on human tumor cell lines. Deoxynybomycin selectively inhibited growth of human osteoblastic sarcoma Saos-2, gastric cancer TMK-1, and monocytic...

journal_title：Biological & pharmaceutical bulletin

authors： Egawa K,Yamori T,Nosaka C,Kunimoto S,Takeuchi T,Nos K

更新日期：2000-09-01 00:00:00