19-Oxygenation of C19-steroids with an A, B-ring enone structure, competitive inhibitors of estrogen biosynthesis, with human placental aromatase.

abstract：:Berberine is one of the main alkaloids of Rhizoma coptidis which has been used as a folk medicine to treat diabetes mellitus for more than 1400 years in China. To investigate the chronic effect of berberine on diabetic hyperlipidemic rats, fasted rats were intraperitoneally injected 35 mg/kg streptozotocin. Diabetic r...

journal_title：Biological & pharmaceutical bulletin

authors： Zhou JY,Zhou SW,Zhang KB,Tang JL,Guang LX,Ying Y,Xu Y,Zhang L,Li DD

更新日期：2008-06-01 00:00:00

abstract：:The constituents of the leaves of Garcinia intermedia and heartwood of Calophyllum brasiliense were investigated based on their trypanocidal activity against epimastigotes of Trypanosoma cruzi, the etiologic agent of Chagas' disease. As the active components, the polyisoprenylated benzophenone derivative guttiferone A...

journal_title：Biological & pharmaceutical bulletin

authors： Abe F,Nagafuji S,Okabe H,Akahane H,Estrada-Muñiz E,Huerta-Reyes M,Reyes-Chilpa R

更新日期：2004-01-01 00:00:00

abstract：:In an acute treatment experiment, metformin (150, 300 mg/kg, per os (p.o.)) markedly reduced the consumption of a high-fat diet (HFD) (45 kcal% fat-containing diet) for 2 h after the HFD was given to the fasted male C57BL/6J (B6) mice. In addition, metformin at a higher dose increased plasma active glucagon-like pepti...

journal_title：Biological & pharmaceutical bulletin

authors： Matsui Y,Hirasawa Y,Sugiura T,Toyoshi T,Kyuki K,Ito M

更新日期：2010-01-01 00:00:00

abstract：:The present study provides the first evidence that stilbene oxide and styrene oxide are reductively metabolized to the corresponding olefins in rats. When cis- or trans-stilbene oxide was given orally to rats, both cis- and trans-stilbene were isolated from the urine and feces. Styrene was also isolated from the urine...

journal_title：Biological & pharmaceutical bulletin

authors： Kitamura S,Shiraishi Y,Mita M,Sueki H,Maeda C,Tatsumi K

更新日期：2000-02-01 00:00:00

abstract：:Caesalpinia ferrea MART. (Leguminosae) called as Juca is one of the medicinal plants in Brazil used for diabetes. From the fruits of this plant, ellagic acid (EA) and 2-(2,3,6-trihydroxy-4-carboxyphenyl)ellagic acid (TEA) have been recently isolated as aldose reductase (AR) inhibitors. In this study, we examined to pr...

journal_title：Biological & pharmaceutical bulletin

authors： Ueda H,Kawanishi K,Moriyasu M

更新日期：2004-10-01 00:00:00

abstract：:The purpose of this study was to determine the high-density lipoprotein (HDL)-associated alpha-tocopherol (alpha-tocopherol-HDL) transport and clarify the contribution of scavenger receptor class B, type I (SR-BI) to the uptake in the human retinal pigment epithelial cell line (ARPE-19 cells). [(3)H]alpha-Tocopherol-H...

journal_title：Biological & pharmaceutical bulletin

authors： Akanuma S,Yamamoto A,Okayasu S,Tachikawa M,Hosoya K

更新日期：2009-06-01 00:00:00

abstract：:We studied the expression in Pseudomonas aeruginosa of an erythromycin-resistance (EMr) determinant that included the mphA gene for macrolide 2'-phosphotransferase I and originated in Escherichia coli. A recombinant plasmid, pTZ3609, that consisted of the EMr determinant and a broad-host-range vector RSF1010, endowed ...

journal_title：Biological & pharmaceutical bulletin

authors： Noguchi N,Katayama J

更新日期：1998-02-01 00:00:00

abstract：:Orally disintegrating tablets (ODTs) are formulated to disintegrate upon contact with saliva, allowing administration without water. Olopatadine hydrochloride, a second-generation antihistamine, is widely used for treating allergic rhinitis. However, it has a bitter taste; therefore, the development of taste-masked ol...

journal_title：Biological & pharmaceutical bulletin

authors： Sotoyama M,Uchida S,Tanaka S,Hakamata A,Odagiri K,Inui N,Watanabe H,Namiki N

更新日期：2017-01-01 00:00:00

abstract：:2'-Chloroflavone (CF) and 4'-CF were studied as inducers of cytochrome P-450-mediated monooxygenases in rat hepatic microsomes by comparison with phenobarbital (PB) and 3-methylcholanthrene (MC). As a result of interaction with the substrate 7-ethoxycoumarin (7-EC), 2'-CF-induced microsomes showed a difference spectru...

journal_title：Biological & pharmaceutical bulletin

authors： Kato S,Yamamoto K

更新日期：1993-01-01 00:00:00

abstract：:Methylmercury (MeHg) is a causative agent of Minamata disease and an environmental pollutant that comprises a large portion of organically occurring mercury. Many aspects of the biological defense mechanisms against MeHg toxicity remain unclear. Recently, nuclear factor-E2-related factor 2 (Nrf2), heat shock factor pr...

journal_title：Biological & pharmaceutical bulletin

authors： Hwang GW

更新日期：2012-01-01 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：:Nine alkaloid constituents in the root of Aconitum yesoense var. macroyesoense, as well as three acetylated derivatives, were examined for their peripheral vaso-activities by measuring laser-flowmetrically the cutaneous blood flow in the hind foot of mice after intravenous administration. The major constitutive delcos...

journal_title：Biological & pharmaceutical bulletin

authors： Wada K,Ishizuki S,Mori T,Bando H,Murayama M,Kawahara N

更新日期：1997-09-01 00:00:00

abstract：:The predictability of serum vancomycin (VCM) concentrations by means of the Bayesian method was evaluated to establish whether the method can be used to select safe and effective VCM treatment regimens for individual patients. Serum VCM concentrations at the trough and 2 h after the end of infusion (peak) were measure...

journal_title：Biological & pharmaceutical bulletin

authors： Teramachi H,Hatakeyama H,Matsushita R,Imai Y,Miyamoto K,Tsuji A

更新日期：2002-10-01 00:00:00

abstract：:Calreticulin (CRT) and calnexin (CNX), homologous major chaperones in the endoplasmic reticulum (ER), are known to translocate to the cell surface in response to chemotherapeutic agents, such as mitoxantrone (MIT), and cellular stresses, including apoptosis. Cell surface CRT (ecto-CRT) is relevant to the phagocytic up...

journal_title：Biological & pharmaceutical bulletin

authors： Azuma Y,Suzuki K,Higai K,Matsumoto K,Tada S

更新日期：2020-10-01 00:00:00

abstract：:We have found a new compound from thermophile extracts which inhibits antigen presentation on mouse macrophages. The substance inhibits the expression of the class II major histocompatibility molecule (Ia). It was extracted from Bacillus stearothermophilus UBT8038 and purified by silica gel column chromatography. The ...

journal_title：Biological & pharmaceutical bulletin

authors： Kohama Y,Itoh M,Tanaka K,Senba T,Itoh S,Mimura T

更新日期：1994-07-01 00:00:00

abstract：:The effects of aged garlic extract (AGE) on longevity and learning and memory performances were studied in the senescence accelerated mouse (SAM). A solid diet containing 2% (w/w) AGE was given to SAM from 2 months of age. The survival ratio of SAM P8, senescence accelerated animals, treated with AGE was significantly...

journal_title：Biological & pharmaceutical bulletin

authors： Moriguchi T,Takashina K,Chu PJ,Saito H,Nishiyama N

更新日期：1994-12-01 00:00:00

abstract：:4-Acetyltropolone, a minor component of Thujopsis dolabrata SIEB. et Zucc. hondai MAKINO, showed antimicrobial activity against various microorganisms including wood-rotting fungi, a phytogrowth-inhibitory effect with chlorophyll biosynthesis inhibition, cytotoxic effect and inhibitory activity on metalloproteases. Th...

journal_title：Biological & pharmaceutical bulletin

authors： Morita Y,Matsumura E,Tsujibo H,Yasuda M,Okabe T,Sakagami Y,Kumeda Y,Ishida N,Inamor Y

更新日期：2002-08-01 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：:A conditioned medium (CM) was prepared by culturing human sperm at 3.0 x 10(6) sperm/ml for 12 h. The fusion index increased significantly when the sperm penetration assay (SPA) was performed with CM (0.6 without CM to 2.0 with CM). The conditioned medium was also effective on the sperm from 11 patients who showed a l...

journal_title：Biological & pharmaceutical bulletin

authors： Ikawa M,Ying X,Tanaka K,Ohashi K,Saji F,Okabe M

更新日期：1995-01-01 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：:Aconitine administered intraperitoneally (i.p.) produces bradycardia mainly by a central muscarinic action. The involvement of hypothalamic regions in the occurrence of aconitine-induced bradycardia was investigated in hypothalamus-lesioned mice. The lesions were made by passing a direct current (1.5 mA, 13 s) through...

journal_title：Biological & pharmaceutical bulletin

authors： Kimura I,Takada M,Nojima H

更新日期：1997-08-01 00:00:00

abstract：:The absorption of glycerol was examined using the closed loop of the rat small intestine in situ to clarify the transport mechanism. The absorption of glycerol, evaluated by its disappearance from the intestinal lumen, was saturable and reduced under the Na(+)-free conditions, suggesting the involvement of an Na(+)-de...

journal_title：Biological & pharmaceutical bulletin

authors： Kato T,Hayashi Y,Inoue K,Yuasa H

更新日期：2005-03-01 00:00:00

abstract：:To search for possible anti-tumor-promoters, we carried out a primary screening of 21 cucurbitane triterpenoids using an in vitro assay system. Of these triterpenoids, scandenoside R6 (6), 23,24-dihydrocucurbitacin F (14), 25-acetyl-23,24-dihydrocucurbitacin F (15), 2-O-beta-D-glucopyranosyl-23,24-dihydrocucurbitacin ...

journal_title：Biological & pharmaceutical bulletin

authors： Konoshima T,Takasaki M,Tatsumoto T,Kozuka M,Kasai R,Tanaka O,Nie RL,Tokuda H,Nishino H,Iwashima A

更新日期：1994-05-01 00:00:00

abstract：:We examined the effects of ginseng total saponin (GTS) and several ginsenosides injected intrathecally (i.t.) or intracerebroventricularly (i.c.v.) on the antinociception induced by cold water swimming. The tail-flick response was used as an antinociceptive parameter. We found that i.t. injection of GTS time- and dose...

journal_title：Biological & pharmaceutical bulletin

authors： Choi SS,Lee JK,Suh HW

更新日期：2003-06-01 00:00:00

abstract：:Pneumolysin (PLY) is a devastating bacterial protein toxin of Streptococcus pneumoniae that punctures the cytomembrane, leading to pathological reactions, such as cell disruption and inflammation. Drugs capable of closely impacting the toxin are considered advantageous in the treatment of bacterial infections. Amentof...

journal_title：Biological & pharmaceutical bulletin

authors： Zhao X,Liu B,Liu S,Wang L,Wang J

更新日期：2017-01-01 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：:Skeletal muscle is a major site for glucose metabolism and its injury by cytokines can induce insulin resistance leading to type 2 diabetes. It has been suggested that quercetin may act as an anti-diabetic agent, however, the effects of quercetin on insulin resistance in skeletal muscle remain unknown. We aimed to inv...

journal_title：Biological & pharmaceutical bulletin

authors： Dai X,Ding Y,Zhang Z,Cai X,Bao L,Li Y

更新日期：2013-01-01 00:00:00

abstract：:An alkaloid piperine isolated from the Piper Nigrum was found to inhibit lipid droplet accumulation in mouse macrophages, and especially inhibited cholesteryl ester (CE) synthesis (IC50: 25 microM). The metabolism of cholesterol from lysosome to lipid droplet was inhibited with a similar IC50 (18 microM), indicating t...

journal_title：Biological & pharmaceutical bulletin

authors： Matsuda D,Ohte S,Ohshiro T,Jiang W,Rudel L,Hong B,Si S,Tomoda H

更新日期：2008-06-01 00:00:00

abstract：:To develop potent paclitaxel (PTX) formulations for cancer chemotherapy, we formulated PTX into polymeric nanoparticles composed of polyethylene glycol (PEG) and polylactic acid (PLA) block copolymer (PN-PTX). First, the physicochemical properties of PN-PTX prepared were assessed; the mean particle size was around 80 ...

journal_title：Biological & pharmaceutical bulletin

authors： Araki T,Kono Y,Ogawara K,Watanabe T,Ono T,Kimura T,Higaki K

更新日期：2012-01-01 00:00:00

abstract：:Six polyphenolic acid esters were synthesized and their antioxidative properties were evaluated in three model systems [2,2'-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay, 2,2'-azobis(2-amidinopropane)dihydrochloride (AAPH)-induced lipid peroxidation system, and the dye-bleaching assay of peroxynitrit...

journal_title：Biological & pharmaceutical bulletin

authors： Hsu LY,Lin CF,Hsu WC,Hsu WL,Chang TC

更新日期：2005-07-01 00:00:00