Mutagenicities of 8-hydroxyguanine and 2-hydroxyadenine produced by reactive oxygen species.

abstract：:The neurotoxin 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) has been employed to create a Parkinson's disease-like model in both rodents and primates based primarily on its ability to create a striatal dopamine deficit due to the loss of dopaminergic neurons in the substantia nigra compacta. The present study w...

journal_title：Biological & pharmaceutical bulletin

authors： Geng X,Song L,Pu X,Tu P

更新日期：2004-06-01 00:00:00

abstract：:Irsogladine maleate (2,4-diamino-6-[2,5-dichlorophenyl]-s-triazine maleate; IM), an anti-peptic ulcer drug, may have a protective effect on the gastrointestinal mucosa. This study investigated the effects of IM on spontaneous colitis in interleukin-10 gene-deficient (IL-10(-/-)) mice. Five-week-old IL-10(-/-) mice wer...

journal_title：Biological & pharmaceutical bulletin

authors： Nakagawa T,Katsuno T,Noguchi Y,Mandai Y,Yoshihama S,Saito K,Maruoka D,Matsumura T,Arai M,Yokosuka O

更新日期：2015-01-01 00:00:00

abstract：:The dopamine reuptake inhibitor bupropion and dopamine D2/3 receptor agonist pramipexole have been clinically proven to improve both depression and treatment-resistant depression. We examined its influence on the duration of immobility during the forced swim test in adrenocorticotropic hormone (ACTH)-treated rats and ...

journal_title：Biological & pharmaceutical bulletin

authors： Onoue Y,Kuwatsuka K,Miyazaki I,Asanuma M,Kitamura Y,Sendo T

更新日期：2014-01-01 00:00:00

abstract：:Feast/famine regulatory proteins (FFRPs) comprise a single group of transcription factors systematically distributed throughout archaea and eubacteria. In the eubacterial domain in Escherichia coli, autotrophic pathways are activated and heterotrophic pathways are repressed by an FFRP, the leucine-responsive regulator...

journal_title：Biological & pharmaceutical bulletin

authors： Kawashima T,Aramaki H,Oyamada T,Makino K,Yamada M,Okamura H,Yokoyama K,Ishijima SA,Suzuki M

更新日期：2008-02-01 00:00:00

abstract：:We previously reported that kiwi fruit is rich in polyphenols and has immunostimulatory activity. Polyphenols are widely known for having anti-oxidant effects. We also revealed potential anti-oxidant effects of kiwi fruit in vivo by oral administration to mice. Here, we compared the anti-oxidant effects of kiwi fruit ...

journal_title：Biological & pharmaceutical bulletin

authors： Iwasawa H,Morita E,Yui S,Yamazaki M

更新日期：2011-01-01 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：:Immune checkpoint inhibitors (ICIs) exert beneficial effects in non-small cell lung cancer (NSCLC) patients. However, ICIs are only advantageous for a limited population of NSCLC patients. Therefore to enhance their effects, combination therapies with ICIs have been developed. To identify preferable chemotherapy to co...

journal_title：Biological & pharmaceutical bulletin

authors： Haruna M,Hirata M,Iwahori K,Kanazawa T,Yamamoto Y,Goto K,Kawashima A,Morimoto-Okazawa A,Funaki S,Shintani Y,Kumanogoh A,Wada H

更新日期：2020-01-01 00:00:00

abstract：:To explore the mechanism responsible for puromycin aminonucleoside induced-nephrotoxicity, metal content was preliminarily investigated in the kidneys of rats that had received a single subcutaneous injection of the agent (80 mg/kg body weight). In the group that received this agent, the renal content of Fe rose on da...

journal_title：Biological & pharmaceutical bulletin

authors： Fukata M,Hayashi T,Terui J,Sudo J

更新日期：1994-06-01 00:00:00

abstract：:Possible involvement of the peripheral-type benzodiazepine receptor (PBR) in hemin/protoporphyrin-induced erythroid differentiation of human leukemia K562 cells was investigated by the use of the ligands, diazepam and PK11195. Diazepam itself exhibited differentiation-inducing activity on K562 cells. The PBR-specific ...

journal_title：Biological & pharmaceutical bulletin

authors： Nakajima O,Hashimoto Y,Iwasaki S

更新日期：1995-06-01 00:00:00

abstract：:The purpose of this study was to investigate the absorption behavior of an ophthalmic drug injected in rabbit periocular tissues. After intracapsular, retrobulbar and palpebral conjunctival injections of 150 microl and 50 microl fluorescein isothiocyanate dextran (FITC-dextran, average molecular weight 11000), leakage...

journal_title：Biological & pharmaceutical bulletin

authors： Sasaki H,Kashiwagi S,Mukai T,Nishida K,Nakamura J,Nakashima M,Ichikawa M

更新日期：1999-09-01 00:00:00

abstract：:Calreticulin is an abundant endo/sarcoplasmic reticulum Ca2+-binding protein. To investigate whether calreticulin (CRO1) is involved in the cold-stress response in rice, a transgenic plant was constructed. The transcriptional level was decreased within 30 min and recovered within 2 h of a cold treatment. The calreticu...

journal_title：Biological & pharmaceutical bulletin

authors： Li Z,Onodera H,Ugaki M,Tanaka H,Komatsu S

更新日期：2003-02-01 00:00:00

abstract：:Continuous oral administration of the acidic polysaccharide (TAP) solution (0.5 g/l) and the TAP-H (degradation products of TAP) solution (1.5 g/l) instead of water for 10 weeks were found to depress plasma glucose increases in diabetes using genetically non-insulin-dependent diabetic model (KK-Ay) mice. TAP and TAP-H...

journal_title：Biological & pharmaceutical bulletin

authors： Kiho T,Kochi M,Usui S,Hirano K,Aizawa K,Inakuma T

更新日期：2001-12-01 00:00:00

abstract：:In the investigation of chemical constituents in antiosteoporotic active fraction, 90% ethanol fraction of water extract of the rhizomes of Dioscorea spongiosa, twenty-two glycosides were isolated and their structures were elucidated. In order to know the role of each compound played in the fraction and to find the ex...

journal_title：Biological & pharmaceutical bulletin

authors： Yin J,Han N,Liu Z,Song S,Kadota S

更新日期：2010-01-01 00:00:00

abstract：:Coenzyme Q10 (Co-Q10) is a vitamin-like supplement which appears to be safe, with minimal side effects and low drug interaction potential. Co-Q10 is used in the treatment of a variety of disorders related primarily to suboptimal cellular energy metabolism and oxidative injury. Studies supporting the efficacy of Co-Q10...

journal_title：Biological & pharmaceutical bulletin

authors： Ewees MG,Messiha BA,Abo-Saif AA,Abd El-Latif HA

更新日期：2016-01-01 00:00:00

abstract：:The objective of this study was to evaluate the interactions between various drugs and aojiru (green juice), a popular health food in Japan, using a simple centrifugation method. The mixture of drug solution and aojiru suspension was gently shaken and centrifuged. The drug concentration in the supernatant fluid was th...

journal_title：Biological & pharmaceutical bulletin

authors： Iwao K,Kawai RT,Oda M,Saitoh H

更新日期：2017-01-01 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

abstract：:Human pluripotent stem cells (hPSCs), i.e. human embryonic stem cells and human induced pluripotent stem cells, are able to self-renew and differentiate into multiple cell types. Because of these abilities, numerous attempts have been made to utilize hPSCs in regenerative medicine/cell therapy. hPSCs are, however, als...

journal_title：Biological & pharmaceutical bulletin

authors： Kuroda T,Yasuda S,Sato Y

更新日期：2013-01-01 00:00:00

abstract：:A homogeneous fluorescence polarization immunoassay (FPIA) was developed to measure levels of progesterone in urine using a TDx analyzer in photocheck mode (Abbott Labs). Two tracers of ethylenediamine fluorescein thiocarbamyl (EDF) were employed; one was synthesized from 11 alpha-hydroxyhemisuccinate progesterone (Pr...

journal_title：Biological & pharmaceutical bulletin

authors： Choi MJ,Choi J,Yoon DY,Park J,Eremin SA

更新日期：1997-04-01 00:00:00

abstract：:The model penetrants oxaprozin, nimesulide, gliclazide, and ribavirin, because of their different lipophilicities, were selected to assess the enhancing activity of pre-treatment solutions consisting of isopropyl palmitate (IP) in ethanol (5%, 10%, 15%and 20%, w/w, respectively) across excised rat skin using Franz dif...

journal_title：Biological & pharmaceutical bulletin

authors： Guo H,Liu Z,Li J,Nie S,Pan W

更新日期：2006-11-01 00:00:00

abstract：:The purpose of this review is to summarize the recent studies examining the expression of leukotrienes (LTs) and their receptors in nociceptive pathways, and their crucial roles in pathological pain conditions. LTs belong to a large family of lipid mediators, termed eicosanoids, which are derived from arachidonic acid...

journal_title：Biological & pharmaceutical bulletin

authors： Noguchi K,Okubo M

更新日期：2011-01-01 00:00:00

abstract：:Transport mechanisms of p-aminohippurate (PAH) were investigated in rat renal brush-border membrane vesicles. The uptake of PAH was stimulated by an inside-positive membrane potential created by K+ and valinomycin. This potential-stimulated uptake of PAH was inhibited by various anion transport inhibitors and was satu...

journal_title：Biological & pharmaceutical bulletin

authors： Ohoka K,Takano M,Okano T,Maeda S,Inui K,Hori R

更新日期：1993-04-01 00:00:00

abstract：:Arachidonic acid (AA) is metabolized to epoxyeicosatrienoic acids (EETs) via cytochrome enzymes such as CYP 2C9, 2C8 and 2J2. EETs play a role in cardioprotection and regulation of blood pressure. Recently, adverse reactions such as sudden heart attack and fatal myocardial infarction were reported among patients takin...

journal_title：Biological & pharmaceutical bulletin

authors： Senda A,Mukai Y,Toda T,Hayakawa T,Yamashita M,Eliasson E,Rane A,Inotsume N

更新日期：2015-01-01 00:00:00

abstract：:Compound C is a widely used chemical inhibitor that down-regulates AMP-activated protein kinase (AMPK) activity. However, it has been suggested that compound C exerts AMPK-independent effects in various cells. Here, we investigated whether compound C induces Sestrin2 (SESN2), an antioxidant enzyme induced by diverse s...

journal_title：Biological & pharmaceutical bulletin

authors： Seo K,Seo S,Ki SH,Shin SM

更新日期：2016-01-01 00:00:00

abstract：:Depression and related mood disorders are among the world's greatest public health problems. Previous studies have demonstrated that astilbin (AST) has broad pharmacological functions which may modulate numerous pathways, such as antioxidant, scavenging free radicals, anti-inflammatory and so on, similarly to some of ...

journal_title：Biological & pharmaceutical bulletin

authors： Lv QQ,Wu WJ,Guo XL,Liu RL,Yang YP,Zhou DS,Zhang JX,Liu JY

更新日期：2014-01-01 00:00:00

abstract：:Liposomes were prepared from hydrogenated lecithin (H-PC) by sonication (S) or injection (I) of H-PC dissolved in ethanol containing dl-tocopherol acetate (VEA). The effects of liposomes on the dermal absorption of VEA were studied. The particle diameter of S-liposomes was smaller than that of I-liposomes. The penetra...

journal_title：Biological & pharmaceutical bulletin

authors： Natsuki R,Morita Y,Osawa S,Takeda Y

更新日期：1996-05-01 00:00:00

abstract：:We attempted to produce a model mouse with a liver injury resulting from an immunological mechanism in C57BL/6J mice, and the effect of hepatitis on the hepatic microsomal mixed-function oxidase system was studied. An experimental immunological liver injury model was caused by the intravenous injection of an anti-basi...

journal_title：Biological & pharmaceutical bulletin

authors： Ishikawa M,Takayanagi Y,Sasaki K

更新日期：1993-10-01 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：:We demonstrate that glycyrrhizin (GL) enhanced Fas-mediated apoptotic body formation and DNA fragmentation in T cell lines although GL alone did not induce apoptosis. The enhancement effect of Fas-mediated apoptosis by GL was dose-dependent above 0.3 microM. Time course study revealed that simultaneous co-treatment of...

journal_title：Biological & pharmaceutical bulletin

authors： Ishiwata S,Nakashita K,Ozawa Y,Niizeki M,Nozaki S,Tomioka Y,Mizugaki M

更新日期：1999-11-01 00:00:00

abstract：:The in vitro percutaneous permeation of diclofenac from various vehicles was examined using rat abdominal skin as a model membrane. The oleaginous vehicles used in this study consisted of three components: i.e. fatty acid, fatty acid ester and nonpolar oil. The solubilities of sodium diclofenac in formulated vehicles ...

journal_title：Biological & pharmaceutical bulletin

authors： Takahashi K,Suzuki T,Sakano H,Mizuno N

更新日期：1995-04-01 00:00:00

abstract：:For analyzing the concentrations of drugs in hairs, a new method of digestion of hairs with Biopurase, a protease obtained from Bacillus subtilis, was examined. The concentrations of drugs in hairs were then determined in order to examine the usefulness of the protease for the digestion of hairs. The stability of five...

journal_title：Biological & pharmaceutical bulletin

authors： Fujii J,Higashi A,Nakano M

更新日期：1996-12-01 00:00:00