Acute cytotoxic effects of mercuric compounds in cultured astrocytes prepared from cerebral hemisphere and cerebellum of newborn rats.

abstract：:The purpose of this study was to reveal the effectiveness of the polymer coated liposomes as a carrier of the anticancer drug doxorubicin in intravenous administration. The size controlled doxorubicin-loaded liposomes (egg phosphatidylcholine : cholesterol = 1:1 in molar ratio) were coated with hydrophilic polymers (p...

journal_title：Biological & pharmaceutical bulletin

authors： Takeuchi H,Kojima H,Yamamoto H,Kawashima Y

更新日期：2001-07-01 00:00:00

abstract：:The immunoreactivity (specific binding) of three Gly(A1)-sulfobenzoxadiazole-labeled insulins which have different spacer groups, Gly(A1)-[3-(4-sulfobenzoxadiazol-7-ylthio)propanoyl]-insulin , Gly(A1)-[2-(4-sulfobenzoxadiazol-7-ylthio)acetyl]-insulin, Gly(A1)-[3-carboxy-2(or 3)-(4-sulfobenzoxadiazol-7-ylthio)propanoyl...

journal_title：Biological & pharmaceutical bulletin

authors： Nanami M,Zaitsu K,Ohkura Y

更新日期：1993-05-01 00:00:00

abstract：:A lipid fraction obtained by activity-guided fractionation from the hexane extract of Sideritis javalambrensis was evaluated for anti-inflammatory activity. This fraction significantly inhibited paw oedema induced by carrageenan as well as ear oedema induced by 12-O-tetradecanoylphorbol 13-acetate (TPA) in mice after ...

journal_title：Biological & pharmaceutical bulletin

authors： Godo A,de Heras BL,Vivas JM,Villar A

更新日期：2000-10-01 00:00:00

abstract：:Polyporus (P.) umbellatus, an endangered medicinal fungus in China, is distributed throughout most areas of the country. Thirty-seven natural P. umbellatus samples collected from 12 provinces in China were subjected to the inter-simple sequence repeat (ISSR) assay to investigate the genetic diversity within and among ...

journal_title：Biological & pharmaceutical bulletin

authors： Liu MM,Xing YM,Guo SX

更新日期：2015-01-01 00:00:00

abstract：:Virus entry, assembly, and budding are important processes in the replication cycle of a virus. Viruses are dependent on host living cells for their replication. Viruses use the proliferative mechanism of host cells for replication of viral components. Lipid rafts, specific membrane microdomains play a critical role i...

journal_title：Biological & pharmaceutical bulletin

authors： Suzuki T,Suzuki Y

更新日期：2006-08-01 00:00:00

abstract：:ICR/f mutation in rat, an inherited disorder, is characterized by the development of cataracts. In this study, we analyzed and compared the crystallins in normal and cataractous rat lenses using gel filtration and two-dimensional gel electrophoresis, and determined the transglutaminase activities and Ca2+ content in t...

journal_title：Biological & pharmaceutical bulletin

authors： Takeuchi N,Kamei A

更新日期：2000-03-01 00:00:00

abstract：:Cloning of polyketide synthase (PKS) gene for amphidinolide biosynthesis was attempted from a dinoflagellate Amphidinium sp. (strain Y-42). Fourteen beta-ketoacyl synthase gene fragments were obtained by Polymerase Chain Reaction (PCR) amplification from degenerated primer sets designed on the basis of the conserved a...

journal_title：Biological & pharmaceutical bulletin

authors： Kubota T,Iinuma Y,Kobayashi J

更新日期：2006-07-01 00:00:00

abstract：:Oxidized low-density lipoprotein (oxLDL) and reactive oxygen species (ROS) play key roles in the early stage of atherosclerosis. Nitric oxide (NO) and ROS are responsible for regulation of the transcriptional pathways of nuclear Factor-kappaB (NF-kappaB) and mitogen-activated protein kinase (MAPK), key regulators of c...

journal_title：Biological & pharmaceutical bulletin

authors： Han JM,Jin YY,Kim HY,Park KH,Lee WS,Jeong TS

更新日期：2010-01-01 00:00:00

abstract：:The purpose of this study was to investigate the characteristics of arachidonic acid-induced peripheral vascular disease in rats. Injecting arachidonic acid (2 mg/leg) into the femoral artery caused hind limb gangrene. Histopathological examination revealed occlusive thrombi and marked vascular injury, including denud...

journal_title：Biological & pharmaceutical bulletin

authors： Tanaka T,Takei M,Fukuta Y,Higashino R,Fukuda Y,Nomura Y,Ito S,Tamaki H,Kurimoto T,Suzuki Y

更新日期：1999-03-01 00:00:00

abstract：:Baculovirus vectors (BVs) enable safe and efficient gene delivery to mammalian cells and are useful in a wide range of applications, including gene therapy and in vivo analysis of gene functions. We previously developed BVs expressing malaria sporozoite surface proteins for targeting liver cells or hepatocytes. Howeve...

journal_title：Biological & pharmaceutical bulletin

authors： Kawai Y,Kawabata C,Sakaguchi M,Tamura T

更新日期：2018-01-01 00:00:00

abstract：:The inducibility of chromosomal aberration was studied using five mammalian topoisomerase inhibitors in Chinese hamster lung fibroblastic cells (CHL) in two protocols involving 6 and 24 h treatment, with respect to the mechanism of chromosomal aberration. In the 6 h treatment plus 18 h recovery culture (6 h treatment)...

journal_title：Biological & pharmaceutical bulletin

authors： Suzuki H,Nakane S

更新日期：1994-02-01 00:00:00

abstract：:T cells play a principal role in cellular immunity and govern the regulatory mechanism in humoral immunity. Therefore, T cells play a key role as either effectors or regulators in the immune network. Mizoribine (MZR), an immunosuppressive agent, suppresses both humoral and cellular immunity by acting on both T cells a...

journal_title：Biological & pharmaceutical bulletin

authors： Kamada H,Inoue N,Takaoka Y,Nakagami K,Mori H,Nagai H

更新日期：1996-09-01 00:00:00

abstract：:The 70% ethanol extract (KS-ext) from Kochiae Fructus (dried fruits of Kochia scoparia L.) was screened for its activity on nociceptive and inflammatory responses in experimental animals. Although KS-ext at an oral administration of 500 mg/kg had an antinociceptive effect on writhing responses induced by acetic acid, ...

journal_title：Biological & pharmaceutical bulletin

authors： Matsuda H,Dai Y,Ido Y,Ko S,Yoshikawa M,Kubo M

更新日期：1997-10-01 00:00:00

abstract：:The hypoglycemic and hypolipidemic effect of docosahexaenoic acid (DHA; C22: 6omega-3) ethyl ester was examined in KK-Ay mice and neonatal streptozotocin-induced diabetic (NSZ) which are respectively obese and lean animal models of non-insulin-dependent diabetes mellitus (NIDDM), and in ddY normal mice. Single adminis...

journal_title：Biological & pharmaceutical bulletin

authors： Shimura T,Miura T,Usami M,Ishihara E,Tanigawa K,Ishida H,Seino Y

更新日期：1997-05-01 00:00:00

abstract：:The effect of aging on the intestinal transport of hydrophilic drugs (and probe compounds) was investigated in the rat small intestine. Passive transport was suggested to be unchanged with aging from 8 (young) to 54 (old) and further to 101 (very old) weeks old, as shown for D-xylose and urea in single-pass intestinal...

journal_title：Biological & pharmaceutical bulletin

authors： Yuasa H,Soga N,Kimura Y,Watanabe J

更新日期：1997-11-01 00:00:00

abstract：:The lactose transport system of Citrobacter freundii was characterized. Both the lactose transport system and beta-galactosidase were induced with either lactose or isopropyl-beta-D-thiogalactopyranoside (IPTG), the latter being the better inducer. The Km values for methyl-beta-D-thiogalactopyranoside (TMG) transport ...

journal_title：Biological & pharmaceutical bulletin

authors： Okazaki N,Tsuda M,Wilson TH,Tsuchiya T

更新日期：1994-06-01 00:00:00

abstract：:The pharmacological profiles of antigen-induced immediate airway response (IAR) in rats are not fully understood. In this study, we established an ovalbumin (OVA)-induced IAR model using noninvasive measurement in rats, and evaluated the effects of commonly used and effective antiasthmatic drugs, i.e. ketotifen (antih...

journal_title：Biological & pharmaceutical bulletin

authors： Miyagawa N,Iwasaki H,Kato T,Tanaka M,Shibata T,Wakitani K

更新日期：2008-12-01 00:00:00

abstract：:Attention-deficit hyperactivity disorder (AD/HD) is a clinically heterogenous disorder including hyperactivity, impulsivity, and inattention. Both psychostimulant and non-psychostimulant drugs such as methylphenidate and atomoxetine, respectively, to modulate catecholeamine neurotransmission are used as current pharma...

journal_title：Biological & pharmaceutical bulletin

authors： Arime Y,Kubo Y,Sora I

更新日期：2011-01-01 00:00:00

abstract：:Puerarin (daidzein 8-C-glucoside) is an isoflavone C-glucoside contained in the roots of Pueraria lobata OHWI. We have previously isolated the human intestinal bacterium, strain PUE, which metabolizes puerarin to daidzein, though the enzyme which cleaves C-glycosidic bond has not been clarified. Here, we identified on...

journal_title：Biological & pharmaceutical bulletin

authors： Nakamura K,Zhu S,Komatsu K,Hattori M,Iwashima M

更新日期：2019-03-01 00:00:00

abstract：:Schwann cell injury is observed in diabetic neuropathy. It is speculated that glycolaldehyde (GA), a precursor of advanced glycation end products (AGEs), contributes to the pathogenesis and development of diabetic neuropathy. Here, we demonstrated for the first time that GA at near-physiological concentration decrease...

journal_title：Biological & pharmaceutical bulletin

authors： Sato K,Tatsunami R,Yama K,Tampo Y

更新日期：2013-01-01 00:00:00

abstract：:In brain ischemia, cell destructive necrosis occurs in the core, which in turn links to cell death expansion in the vicinity. Apoptosis, on the other hand, occurs in the surroundings of the core, called the penumbra, several days later. As cells showing apoptosis disappear by microglial phagocytosis in the brain, cell...

journal_title：Biological & pharmaceutical bulletin

authors： Ueda H,Fujita R

更新日期：2004-07-01 00:00:00

abstract：:Selective inhibitors of phosphodiesterases (PDEs) have been suggested to have anti-inflammatory effects on bronchial asthma through the inhibition of chemotaxis, adhesion, degranulation, the respiratory burst, and survival prolongation of eosinophils. However, the mechanisms by which these agents inhibit eosinophil su...

journal_title：Biological & pharmaceutical bulletin

authors： Wang W,Masu K,Tamura G,Suzuki K,Ohwada K,Okuyama K,Shirato K,Takayanagi M,Ohno I

更新日期：2005-03-01 00:00:00

abstract：:Neuroprotective effects of estrogen and estrogen-like chemicals on neurodegenerative diseases, especially Parkinson's disease, have been well established. In the present study, we compared the effects of Bak Foong Pill (BFP), a well-known gynaecological tonic in China, and 17beta-estradiol, on dopamine transporter (DA...

journal_title：Biological & pharmaceutical bulletin

authors： Liu B,Xie JX,Rowlands DK,Gou YL,Leung CC,Chung YW,Chan HC

更新日期：2004-08-01 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：: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：:Nitrogen oxide, which is produced by activated macrophages, has been demonstrated to possess anti-tumor activity. We report herein the synergistic effect of sodium nitrite (NO2-) and/or sodium nitroprusside (SNP) on lysophospholipid (LysoPL)-mediated cytolysis. The incubation of 51Cr-labeled mouse melanoma (B16) cells...

journal_title：Biological & pharmaceutical bulletin

authors： Kanematsu M,Takagi K,Suketa Y

更新日期：1994-01-01 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：:Aromatase is a cytochrome P-450 enzyme complex that catalyzes the conversion of androst-4-ene-3,17-dione (AD) to estrone through three sequential oxygenations of the 19-methyl group. To gain insight into the ability of AD isomers, 4-en-6-one 1a, 5-en-4-one 2a, and 5-en-7-one 3a, competitive inhibitors of aromatase wit...

journal_title：Biological & pharmaceutical bulletin

authors： Numazawa M,Yamada K,Nagaoka M

更新日期：2001-04-01 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：:Uridine diphosphate (UDP)-glucuronosyltransferase 1A1 (UGT1A1) plays important roles in the glucuronidation of various drugs and endogenous substances. Minipigs have been used as experimental animals in pharmacological and toxicological studies, because many of their physiological characteristics are similar to those ...

journal_title：Biological & pharmaceutical bulletin

authors： Miyake Y,Mayumi K,Jinno H,Tanaka-Kagawa T,Narimatsu S,Hanioka N

更新日期：2013-01-01 00:00:00