2,3,22,23-tetrahydroxyl-2,6,10,15,19,23-hexamethyl-6,10,14,18-tetracosatetraene, an acyclic triterpenoid isolated from the seeds of Alpinia katsumadai, Inhibits acyl-CoA : cholesterol acyltransferase activity.

abstract：:The medial prefrontal cortex (mPFC) plays critical roles in the development of cocaine addiction. Numerous studies have reported about the effects of cocaine on neuronal and synaptic activities in the nucleus accumbens and ventral tegmental area, which are brain regions associated with cocaine addiction; however, a li...

journal_title：Biological & pharmaceutical bulletin

authors： Sasase H,Izumi S,Deyama S,Hinoi E,Kaneda K

更新日期：2019-01-01 00:00:00

abstract：:Onset of cancer and neurodegenerative disease occurs by abnormal cell growth and neuronal cell death, respectively, and the number of patients with both diseases has been increasing in parallel with an increase in mean lifetime, especially in developed countries. Although both diseases are sporadic, about 10% of the d...

journal_title：Biological & pharmaceutical bulletin

authors： Ariga H

更新日期：2015-01-01 00:00:00

abstract：:Catalase protects cells from reactive oxygen species-induced damage by catalyzing the breakdown of hydrogen peroxide to oxygen and water. Arsenite decreases catalase activity; it activates phosphatidylinositol 3-kinase (PI3K) and its key downstream effector Akt in a variety of cells. The PI3K pathway is known to inhib...

journal_title：Biological & pharmaceutical bulletin

authors： Kim S,Lee SH,Kang S,Lee L,Park JD,Ryu DY

更新日期：2011-01-01 00:00:00

abstract：:The surface topology of ligands on liposomes is an important factor in active targeting in drug delivery systems. Accurately evaluating the density of anchors and bioactive functional ligands on a liposomal surface is critical for ensuring the efficient delivery of liposomes. For evaluating surface ligand density, it ...

journal_title：Biological & pharmaceutical bulletin

authors： Lee SH,Sato Y,Hyodo M,Harashima H

更新日期：2016-01-01 00:00:00

abstract：:Sesamin is a major lignan in sesame seeds, and a recent meta-analysis of controlled trials indicated that sesamin intake decreases blood pressure. The antihypertensive effect of sesamin has been suggested to be due to sesamin-mediated suppression of 20-hydroxyeicosatetraenoic acid production catalyzed by CYP4F2. Howev...

journal_title：Biological & pharmaceutical bulletin

authors： Watanabe H,Yamaori S,Kamijo S,Aikawa K,Ohmori S

更新日期：2020-01-01 00:00:00

abstract：:Carboxamide-methylated light chain (G1L) from human serum IgG inhibited the secretion of tumor necrosis factor (TNF-alpha), one of the inflammatory cytokines, from adherent splenocytes and thioglycolate-induced peritoneal macrophages. The inhibition of TNF-alpha secretion by G1L was associated with disappearance of ty...

journal_title：Biological & pharmaceutical bulletin

authors： Mimura T,Takeuchi K,Hiramatsu K,Tsujikawa K,Kohama Y,Itoh S

更新日期：1995-10-01 00:00:00

abstract：:Controlling axon and dendrite elongation is critical in developing precise neural circuits. Using isolated cultures of dentate granule neurons, we succeeded in simultaneously monitoring the behaviors of axonal and dendritic outgrowth. Our previous study shows that cAMP contributes differentially to Sema3F-induced resp...

journal_title：Biological & pharmaceutical bulletin

authors： Yamada RX,Matsuki N,Ikegaya Y

更新日期：2006-04-01 00:00:00

abstract：:It is widely accepted that selective serotonin reuptake inhibitors (SSRIs) require 2 to 4 weeks of administration before improvements in emotional symptoms of depression are seen. We evaluated whether early monitoring of Hamilton Rating Scale for Depression (HAMD) scores in patients treated with the SSRI fluvoxamine c...

journal_title：Biological & pharmaceutical bulletin

authors： Katoh Y,Uchida S,Kawai M,Takei N,Mori N,Kawakami J,Kagawa Y,Yamada S,Namiki N,Hashimoto H

更新日期：2010-01-01 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：:Recently, a silent polymorphism of C3435T of the MDR1 gene, encoding the multidrug resistant transporter MDR1/P-glycoprotein, has been found to be associated with susceptibility to ulcerative colitis (UC), but this remains controversial. This study was conducted to find a possible reason for the discrepancies, and it ...

journal_title：Biological & pharmaceutical bulletin

authors： Osuga T,Sakaeda T,Nakamura T,Yamada T,Koyama T,Tamura T,Aoyama N,Okamura N,Kasuga M,Okumura K

更新日期：2006-02-01 00:00:00

abstract：:Polysaccharides are involved in biological responses and can activate complement system, which plays an important role in primary host defense mechanisms. We investigated anticomplementary activities from spice plants and selected thyme (Thymus vulgaris L.) as a potent complementary activator. Acidic polysaccharide (T...

journal_title：Biological & pharmaceutical bulletin

authors： Chun H,Shin DH,Hong BS,Cho HY,Yang HC

更新日期：2001-08-01 00:00:00

abstract：:We developed a novel fluorometric assay method for the measurement of glycosyltransferase activities using mono- and di-saccharides aminated and tagged with 7-hydroxycoumarin-3-carboxylic acid (coumarin) as substrates, N-acetylglucosamine (GlcNAc)-coumarin for beta1,4-galactosyltransferase from bovine milk and Gal bet...

journal_title：Biological & pharmaceutical bulletin

authors： Higai K,Masuda D,Matsuzawa Y,Satoh T,Matsumoto K

更新日期：1999-04-01 00:00:00

abstract：:Hinokitiol (beta-thujaplicin), beta-dolabrin and gamma-thujaplicin isolated from Thujopsis dolabrata SIEB. et ZUCC var hondai MAKINO showed antifungal activities against all of the wood-rotting fungi examined. The antifungal activity of three compounds on Daedalea dickinsii IFO-4979 was especially strong, their minimu...

journal_title：Biological & pharmaceutical bulletin

authors： Inamori Y,Sakagami Y,Morita Y,Shibata M,Sugiura M,Kumeda Y,Okabe T,Tsujibo H,Ishida N

更新日期：2000-08-01 00:00:00

abstract：:Calprotectin is a calcium- and zinc-binding protein complex that is abundant in cytosol of neutrophils. The concentration of calprotectin in extracellular fluids is greatly increased under various inflammatory conditions in vivo. We recently demonstrated that calprotectin inhibited cell growth and induced apoptosis of...

journal_title：Biological & pharmaceutical bulletin

authors： Mikami M,Kitahara M,Kitano M,Ariki Y,Mimaki Y,Sashida Y,Yamazaki M,Yui S

更新日期：1999-07-01 00:00:00

abstract：:Microsomal enzyme inducers are known to influence the expression of many transporter proteins and mRNA. In this study, we examined the effects of microsomal enzyme inducers on the mRNA expression of Breast Cancer Resistance Protein (BCRP) and Multidrug Resistance Associated Protein 2 (MRP2) in BALB/c mice. mRNA expres...

journal_title：Biological & pharmaceutical bulletin

authors： Han Y,Sugiyama Y

更新日期：2006-05-01 00:00:00

abstract：:The mechanism of inactivation of cholinesterase (EC 3.1.1.8) by the Cu2+ -ascorbic acid (AsA) system was investigated. Incubation of the enzyme with the Cu2+ -AsA system under aerobic conditions resulted in an irreversible loss of enzyme activity. At low concentrations of Cu2+, the extent of inactivation showed the sa...

journal_title：Biological & pharmaceutical bulletin

authors： Kanazawa H,Fujimoto S,Ohara A

更新日期：1995-09-01 00:00:00

abstract：:Trimidox (3,4,5-trihydroxybenzamidoxime) is one of the most potent ribonucleotide reductase inhibitors, revealing an antitumor effect in several experimental studies. We have examined the effect of trimidox on the induction of cytotoxicity and apoptosis via oxidative stress by typical free radical inducers, hydrogen p...

journal_title：Biological & pharmaceutical bulletin

authors： Kanno S,Kakuta M,Kitajima Y,Osanai Y,Kurauchi K,Ohtake T,Ujibe M,Uwai K,Takeshita M,Ishikawa M

更新日期：2007-05-01 00:00:00

abstract：:Nine compounds, including six phenylethanoid glycosides: acteoside (1); bioside (2); echinacoside (3); poliumoside (4); phenylethyl glycoside (5); salidroside (6) and three flavonoids; linarin (7); apigenin (8); isorhoifolin (9), were isolated from the flowers of Buddleja officinalis MAXIM. (Buddlejaceae). Chemical st...

journal_title：Biological & pharmaceutical bulletin

authors： Tai BH,Jung BY,Cuong NM,Linh PT,Tung NH,Nhiem NX,Huong TT,Anh NT,Kim JA,Kim SK,Kim YH

更新日期：2009-12-01 00:00:00

abstract：:Bupleuri Radix (Chai-hu in Chinese and Saiko in Japanese) is one of the most important traditional Chinese crude drugs for treating hepatitis malaria and intermittent fever. B. kaoi is one of the Bupleurum spp. families locally found in Taiwan. The effects of saponin-enriched fraction (SEF) from Bupleurum Kaoi in huma...

journal_title：Biological & pharmaceutical bulletin

authors： Hsu YL,Kuo PL,Weng TC,Yen MH,Chiang LC,Lin CC

更新日期：2004-07-01 00:00:00

abstract：:The promoting effect of d-limonene and l-menthol on the percutaneous absorption of nonionized and ionized diclofenac (DF) was investigated employing a pretreatment method. After the pretreatment of hairless rat skin with an ethanol buffer solution containing terpenes, the permeation study was performed in vitro. The p...

journal_title：Biological & pharmaceutical bulletin

authors： Obata Y,Takayama K,Maitani Y,Machida Y,Nagai T

更新日期：1993-03-01 00:00:00

abstract：:The hydrodynamic method by rapid intravenous injection of a large volume of plasmid DNA is known to be an efficient and liver-specific method of in vivo gene delivery and achieves high levels of foreign gene expression, particularly in hepatocytes. Low transgene activities have also been observed in other organs such ...

journal_title：Biological & pharmaceutical bulletin

authors： Hattori Y,Koga K,Izumisawa T,Yamasaki M,Narishima R,Yoshida S,Fukui T,Maitani Y

更新日期：2009-04-01 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：:Cancer is one of the leading causes of death in the world. The triterpenoid compound asiatic acid derived from the tropical medicinal plant Centella asiatica displays cytotoxic activity on fibroblast cells and several other kinds of cells. The present work studies asiatic acid-mediated growth inhibition of cancer cell...

journal_title：Biological & pharmaceutical bulletin

authors： Tang XL,Yang XY,Jung HJ,Kim SY,Jung SY,Choi DY,Park WC,Park H

更新日期：2009-08-01 00:00:00

abstract：:We examined the transport mechanisms of daunorubicin (DNR) and doxorubicin (ADR) in HL60 and HL60/THP cells which were the non-P-glycoprotein-mediated resistant clone of the parent HL60 cells and showed a low degree of resistance, and compared them with those of pirarubicin (THP). In both lines, it appeared that the u...

journal_title：Biological & pharmaceutical bulletin

authors： Nagasawa K,Natazuka T,Nomiyama M,Ohnishi N,Yokoyama T

更新日期：1996-01-01 00:00:00

abstract：:A hydroalcoholic (50%) extract of Emblica officinalis (fruit) (EO-50) reduced the severity of hepatic fibrosis induced by carbon tetrachloride (CCl4) and thioacetamide (TAA). Improved liver function was observed by measuring the levels of aspartate aminotransaminase (AST), alanine aminotransferase (ALT), alkaline phos...

journal_title：Biological & pharmaceutical bulletin

authors： Tasduq SA,Mondhe DM,Gupta DK,Baleshwar M,Johri RK

更新日期：2005-07-01 00:00:00

abstract：:Permeation enhancement of ketoprofen (KP) from supersaturated systems and the effects of antinucleant polymers on both stability and permeation of supersaturated KP were investigated using silicone membrane as a skin model. The supersaturation was prepared by the cosolvent technique with water and propylene glycol (PG...

journal_title：Biological & pharmaceutical bulletin

authors： Kumprakob U,Kawakami J,Adachi I

更新日期：2005-09-01 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：:To ascertain if there is stereoselectivity in peroxisomal proliferation induced by chiral peroxisome proliferators, induction by stereoisomers of 2-methyl-4'-chlorophenoxyacetic acid and 2-methyl-2-(2'-4'-dichlorophenoxy)acetic acid were studied in rat in vivo and in vitro with isolated rat hepatocytes. No significant...

journal_title：Biological & pharmaceutical bulletin

authors： Koibuchi Y,Yamada J,Watanabe T,Suga T

更新日期：1993-01-01 00:00:00

abstract：:Some P450 enzymes are expressed not only in the liver but also in the small intestine, and these enzymes play an important role in first-pass drug metabolism in the small intestine. Cytochrome P450 (CYP)2C19 has been confirmed to exist in the small intestine of white people, but not yet in Japanese. We investigated th...

journal_title：Biological & pharmaceutical bulletin

authors： Hayashi M,Matsumoto N,Takenoshita-Nakaya S,Takeba Y,Watanabe M,Kumai T,Takagi M,Tanaka M,Otsubo T,Kobayashi S

更新日期：2011-01-01 00:00:00

abstract：:No strategies for curing Alzheimer's disease have been developed yet as we do not know the exact cause of the disease. The only therapy that is available for patients is symptomatic treatment. Since Alzheimer's disease is associated with downregulation of the cholinergic system in the brain, its stimulation is expecte...

journal_title：Biological & pharmaceutical bulletin

authors： Narahashi T,Moriguchi S,Zhao X,Marszalec W,Yeh JZ

更新日期：2004-11-01 00:00:00