High-performance liquid chromatographic assay of clonazepam in human plasma using a non-porous silica column.

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：: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：: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：:Phospholipase (PL) A2 activity prepared from isolated rat fat pads incubated with sodium orthovanadate (vanadate) was increased in a time- and dose-dependent manner. The increasing effect of vanadate was reduced in the presence of tyrosine kinase inhibitors. Under the inhibition of protein synthesis by cycloheximide, ...

journal_title：Biological & pharmaceutical bulletin

authors： Morita T,Imagawa T,Kanagawa A,Ueki H

更新日期：1995-02-01 00:00:00

abstract：:Two conjugates of marine polysaccharide (MPS) and bovine serum albumin (BSA) were prepared using two methods, periodate oxidation and reductive amination, with the intent of enhancing its immunogenicity. Sera samples from Balb/c mice immunized with the products named MPS-BSAp and MPS-BSAr respectively were evaluated b...

journal_title：Biological & pharmaceutical bulletin

authors： Gan L,Xin X,Geng M,Ding J

更新日期：2004-10-01 00:00:00

abstract：:In this study, the skin permeation of liposomes containing psoralen was investigated by in vivo skin microdialysis. Psoralen-loaded nano-sized liposomes were prepared with a mean size of 117.5 nm and a polydispersity index of 0.21, indicating the uniform dispersion of phosphatidylcholine vesicles in the liposomal solu...

journal_title：Biological & pharmaceutical bulletin

authors： Zhang H,Zhang K,Li Z,Zhao J,Zhang Y,Feng N

更新日期：2017-01-01 00:00:00

abstract：:The effect of pH on the microenvironment surrounding 34Cys in human serum albumin (HSA) has been studied using acrylodan, a Cys-specific fluorescence probe. The reactivity of 34Cys with 5,5'-dithiobis(2-nitro benzoic acid) (DTNB) followed a pseudo-first-order reaction, and the increase in reactivity was dependent on p...

journal_title：Biological & pharmaceutical bulletin

authors： Narazaki R,Maruyama T,Otagiri M

更新日期：1997-04-01 00:00:00

abstract：:Mast cells are critical for initiating innate immune and inflammatory responses by releasing a number of pro-inflammatory mediators. The potential immunomodulatory properties of hydrogenated aromatic hydrocarbons have been the subject of extensive investigation, as the immune system is a sensitive target for hydrogena...

journal_title：Biological & pharmaceutical bulletin

authors： Kwon O,Lee E,Moon TC,Jung H,Lin CX,Nam KS,Baek SH,Min HK,Chang HW

更新日期：2002-09-01 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：:Acetohexamide (AH) is reduced to its alcohol metabolite by carbonyl reductase. We have previously shown that carbonyl reductase present in the liver microsomes of rats is a male-specific and androgen-dependent enzyme. In the present study, the role of microsomal carbonyl reductase in the pharmacokinetics of AH was exa...

journal_title：Biological & pharmaceutical bulletin

authors： Imamura Y,Shimada H

更新日期：2005-01-01 00:00:00

abstract：:This study was designed to test the efficacy of eugenol, a compound obtained from the essential oil of cloves (Syzygium aromaticum) in collagen-induced arthritis (CIA), a well characterized murine model of rheumatoid arthritis. Macroscopic clinical evidence of CIA manifests first as periarticular erythema and edema in...

journal_title：Biological & pharmaceutical bulletin

authors： Grespan R,Paludo M,Lemos Hde P,Barbosa CP,Bersani-Amado CA,Dalalio MM,Cuman RK

更新日期：2012-01-01 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：:It has been recently reported that the consumption of a high-fat diet during pregnancy exerts various effects on fetuses and newborn mice. The purpose of this study was to determine the effects of a high-fat diet during pregnancy on the expression of cytochrome P450 (CYP) in the livers of offspring. Mouse dams were fe...

journal_title：Biological & pharmaceutical bulletin

authors： Tajima M,Ikarashi N,Okaniwa T,Imahori Y,Saruta K,Toda T,Ishii M,Tanaka Y,Machida Y,Ochiai W,Yamada H,Sugiyama K

更新日期：2013-01-01 00:00:00

abstract：:The effect of methylcarbonylmethyl 2(S)-14-(4-guanidino-benzoyloxy) phenyl] propionate methanesulfonate (TT-S24) on experimental pancreatitis in rats was examined in comparison with that of camostat. TT-S24 showed a preventive effect on increases in plasma amylase activity and pancreatic weight induced by cerulein inj...

journal_title：Biological & pharmaceutical bulletin

authors： Tagami H,Abe S,Yoshida Y,Tanaka I,Kamei C

更新日期：1998-03-01 00:00:00

abstract：:Plasmodium falciparum thymidylate kinase (PfTMK) is a potential chemotherapeutic target as it can tolerate a range of substrates, which distinguishes it from other thymidylate kinases. An important step in drug development is to determine the interaction of ligands competing for their target sites in a proposed drug t...

journal_title：Biological & pharmaceutical bulletin

authors： Kandeel M,Kitade Y

更新日期：2011-01-01 00:00:00

abstract：:Only a few biosynthetic pathways in fungal cells have been used as antifungal targets. Therefore, the number of antifungals has been limited, and a cross-drug resistance among them has emerged in the therapy of mycoses. Under such circumstances, the identification of an antifungal with a new mode of action is highly d...

journal_title：Biological & pharmaceutical bulletin

authors： Aoki Y,Kamiyama T,Fujii T,Yamamoto M,Ohwada J,Arisawa M

更新日期：1995-09-01 00:00:00

abstract：:Information on the comparative digestibility of food allergens and non-allergenic proteins is crucial when stability to digestion is to be used as a criterion to assess the allergenic potential of novel proteins. Preheating effect on in vitro digestibility has not been fully examined. In this study we investigated the...

journal_title：Biological & pharmaceutical bulletin

authors： Takagi K,Teshima R,Okunuki H,Sawada J

更新日期：2003-07-01 00:00:00

abstract：:The uptake of low molecular weight fractionated [3H]heparin (LMWFH: 7000 Da) was examined, for comparison with that of high molecular weight fractionated [3H]heparin (HMWFH:20000 Da), in a primary culture of rat hepatocytes. The uptake of LMWFH increased almost linearly with time up to 60 min (extended uptake), althou...

journal_title：Biological & pharmaceutical bulletin

authors： Watanabe J,Urano K,Muranishi H,Haba M,Yuasa H

更新日期：1995-03-01 00:00:00

abstract：:Most malignant tumors are derived from epithelium, and pathologic microorganisms often invade the body through the mucosal epithelium. Thus epithelial tissues are potent targets for drug delivery. The tight junction (TJ) is the intercellular seal in epithelial cell sheets. Claudins (CLs) are a family of tetratransmemb...

journal_title：Biological & pharmaceutical bulletin

authors： Nagase S,Doyama R,Yagi K,Kondoh M

更新日期：2013-01-01 00:00:00

abstract：:To improve bioavailability of pueraria flavones (PF), a self-microemulsifying drug delivery system (SMEDDS) dropping pills composed of PF, Crodamol GTCC, Maisine 35-1, Cremophor RH 40, 1,2-propylene glycol and polyethylene glycol 6000 (PEG6000) was developed. Particle size, zeta potential, morphology and in vitro drug...

journal_title：Biological & pharmaceutical bulletin

authors： Guan Q,Zhang G,Sun S,Fan H,Sun C,Zhang S

更新日期：2016-05-01 00:00:00

abstract：:In Parkinson's disease, while dopamine (DA) replacement therapy, such as with L-DOPA (levodopa), improves the symptoms, it does not inhibit the degeneration of DA neurons in the substantia nigra. Numerous studies have suggested that both endogenous and environmental neurotoxins and oxidative stress may participate in ...

journal_title：Biological & pharmaceutical bulletin

authors： Kitamura Y,Kakimura J,Taniguchi T

更新日期：2002-03-01 00:00:00

abstract：:Eight new diterpenoids (1-8) have been isolated from the wood of Excoecaria agallocha (Euphorbiaceae) and their inhibitory effects on the induction of Epstein-Barr virus early antigen (EBV-EA) in Raji cells were examined to search for potent anti-tumor-promoters from natural resources. Of these compounds, the secolabd...

journal_title：Biological & pharmaceutical bulletin

authors： Konoshima T,Konishi T,Takasaki M,Yamazoe K,Tokuda H

更新日期：2001-12-01 00:00:00

abstract：:Sixteen cardenolides, two hemiterpenoids, two phenylpropanoids and a phenylethanoid isolated from the roots of Streptocaulon juventas (LOUR.) MERR. were examined for their antiproliferative activity toward three human-derived (HT-1080 fibrosarcoma, lung A549 adenocarcinoma, cervix HeLa adenocarcinoma) and three murine...

journal_title：Biological & pharmaceutical bulletin

authors： Ueda JY,Tezuka Y,Banskota AH,Tran QL,Tran QK,Saiki I,Kadota S

更新日期：2003-10-01 00:00:00

abstract：:Carvedilol, an alpha- and beta-adrenergic blocking drug, is mainly metabolized by CYP2D6, UGT1A1, UGT2B4 and UGT2B7. This drug is administered orally as a racemic mixture of R(+)- and S(-)-enantiomers. It has been reported that CYP2D6 prefers metabolizing S-carvedilol to R-carvedilol stereoselectively. On the other ha...

journal_title：Biological & pharmaceutical bulletin

authors： Takekuma Y,Takenaka T,Yamazaki K,Ueno K,Sugawara M

更新日期：2007-11-01 00:00:00

abstract：:The present study examined the anti-obesity effects of pine needle extract (PNE) in 3T3-L1 preadipocytes and in vivo studies. PNE treatment suppressed both glycerol-3-phosphate dehydrogenase activity and expression of peroxisome proliferator-activated receptor (PPAR) gamma in cultured 3T3-L1 adipocytes. To investigate...

journal_title：Biological & pharmaceutical bulletin

authors： Jeon JR,Kim JY

更新日期：2006-10-01 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：:Adult T-cell leukemia (ATL) is a severe chemotherapy-resistant malignancy associated with prolonged infection by the human T cell-lymphotropic virus 1 (HTLV-1). One approach to prevent the onset of ATL is to inhibit the growth/transmission of HTLV-1 infected cells using arsenic trioxide (As(2)O(3)). However, there are...

journal_title：Biological & pharmaceutical bulletin

authors： Nabeshi H,Yoshikawa T,Kamada H,Shibata H,Sugita T,Abe Y,Nagano K,Nomura T,Minowa K,Yamashita T,Itoh N,Yoshioka Y,Tsunoda S,Tsutsumi Y

更新日期：2009-07-01 00:00:00

abstract：:A DNA fragment responsible for resistance to antimicrobial agents was cloned from chromosomal DNA of Enterococcus faecium FN-1, a clinically isolated strain. Escherichia coli KAM32, a drug-hypersusceptible mutant, was used as a host for gene cloning. Cells of E. coli KAM32 harboring a recombinant plasmid (pTFM8) carry...

journal_title：Biological & pharmaceutical bulletin

authors： Nishioka T,Ogawa W,Kuroda T,Katsu T,Tsuchiya T

更新日期：2009-03-01 00:00:00

abstract：:Hemorrhoids are a common anorectal disease. Epidemiological studies on medication trends and risk factors using information from real-world databases are rare. Our objective was to analyze the relationship between hemorrhoid treatment prescription trends and several risk factors using the National Database of Health I...

journal_title：Biological & pharmaceutical bulletin

authors： Mukai R,Shimada K,Suzuki T,Nakao S,Tanaka M,Matsumoto K,Yoshida Y,Goto F,Inoue M,Satake R,Nishibata Y,Sugihara H,Nakamura M

更新日期：2020-01-01 00:00:00

abstract：:Oligodeoxyribonucleotides containing 8-hydroxyguanine and 2-hydroxyadenine, purine lesions produced in cells by reactive oxygen species, were synthesized and inserted into vector DNAs to introduce each lesion at a predetermined site. The manipulated DNAs were transfected into living cells, and the mutants induced by e...

journal_title：Biological & pharmaceutical bulletin

authors： Kamiya H

更新日期：2004-04-01 00:00:00