Development and application of an isolated perfused rat liver model to study the stimulation and inhibition of tumor necrosis factor-alpha production ex vivo.

abstract：PURPOSE:Knowledge about the uptake mechanism and subsequent intracellular routing of non-viral gene delivery systems is important for the development of more efficient carriers. In this study we compared two established cationic polymers pDMAEMA and PEI with regard to their transfection efficiency and mechanism of cell...

journal_title：Pharmaceutical research

authors： van der Aa MA,Huth US,Häfele SY,Schubert R,Oosting RS,Mastrobattista E,Hennink WE,Peschka-Süss R,Koning GA,Crommelin DJ

更新日期：2007-08-01 00:00:00

abstract：PURPOSE:The purpose of the present study was to use the human colorectal carcinoma cell line. Caco-2, as a human intestinal epithelial model for studying the effects of cyclodextrins as absorption enhancers. METHODS:Cyclodextrins of varying sizes and physicochemical characters were investigated. The effects of the cyc...

journal_title：Pharmaceutical research

authors： Hovgaard L,Brøndsted H

更新日期：1995-09-01 00:00:00

abstract：:Assessment of bioavailability/bioequivalence generally relies on the comparison of rate and extent of drug absorption between products. Rate of absorption is commonly expressed by peak concentration (C(max)) and time to peak concentration (T(max)), although these parameters are indirect measures of absorption rate. Re...

journal_title：Pharmaceutical research

authors： Chen ML,Davit B,Lionberger R,Wahba Z,Ahn HY,Yu LX

更新日期：2011-08-01 00:00:00

abstract：PURPOSE:To characterize the electrochemical behavior of the photodegradation product of nifedipine, i.e., 2,6-dimethyl-4-(2-nitrosophenyl)-3,5-pyridine-carboxylic acid dimethyl ester (NPD) in different electrolytic media. We also evaluated the interaction between free radicals generated from NPD and xeno/endobiotics. ...

journal_title：Pharmaceutical research

authors： Núñez-Vergara LJ,Bollo S,Fuentealba J,Sturm JC,Squella JA

更新日期：2002-04-01 00:00:00

abstract：PURPOSE:The addition of high amounts of calcium remains a pharmaceutical concern due to its precipitation with phosphate in total parenteral nutrient (TPN) admixtures, compromising also the stability of the lipid emulsion. MATERIALS AND METHODS:Calcium-phosphate solubility was compared when using binary PN solutions v...

journal_title：Pharmaceutical research

authors： Chaieb D S,Chaumeil JC,Jebnoun S,Khrouf N,Hedhili A,Sfar S

更新日期：2008-11-01 00:00:00

abstract：PURPOSE:To identify the key formulation factors controlling the initial drug and polymer dissolution rates from an amorphous solid dispersion (ASD). METHODS:Ketoconazole (KTZ) ASDs using PVP, PVP-VA, HMPC, or HPMC-AS as polymeric matrix were prepared. For each drug-polymer system, two types of formulations with the sa...

journal_title：Pharmaceutical research

authors： Chen Y,Wang S,Wang S,Liu C,Su C,Hageman M,Hussain M,Haskell R,Stefanski K,Qian F

更新日期：2016-10-01 00:00:00

abstract：PURPOSE:Overexpression of hyaluronan (HA) receptors on cancer cells results in enhanced endocytotic uptake of the drug conjugate. An N-(2-hydroxypropyl)methacrylamide (HPMA)-HA polymeric drug delivery system was used for targeted delivery of doxorubicin to cancer cells. METHODS:HA-doxorubicin (DOX) bioconjugates (HA-D...

journal_title：Pharmaceutical research

authors： Luo Y,Bernshaw NJ,Lu ZR,Kopecek J,Prestwich GD

更新日期：2002-04-01 00:00:00

abstract：:The pulmonary deposition and pharmacokinetics of human growth hormone (hGH), administered by aerosol and instillate, in formulations containing 99mTc-DTPA (for gamma scintigraphic imaging) have been studied in five male New Zealand White rabbits. Gamma scintigraphy indicated that the peripheral:central deposition tend...

journal_title：Pharmaceutical research

authors： Colthorpe P,Farr SJ,Smith IJ,Wyatt D,Taylor G

更新日期：1995-03-01 00:00:00

abstract：:Various diesters of 9-[(1,3-dihydroxy-2-propoxy)-methyl]guanine (DHPG) were screened in order to identify a derivative with improved oral absorption. The solubilities and dissolution rates decreased with increasing chain length and branching of the ester group. However, the dipropionate ester showed an anomalously fas...

journal_title：Pharmaceutical research

authors： Benjamin EJ,Firestone BA,Bergstrom R,Fass M,Massey I,Tsina I,Lin YY

更新日期：1987-04-01 00:00:00

abstract：PURPOSE:Studies were conducted to investigate dilute solutions of the monoclonal antibody (mAb) bevacizumab, mAb fragment ranibizumab and fusion protein aflibercept, develop common procedures for formulation of low concentration mAbs and identify a stabilizing formulation for anti-VEGF mAbs for use in in vitro permeati...

journal_title：Pharmaceutical research

authors： Giannos SA,Kraft ER,Zhao ZY,Merkley KH,Cai J

更新日期：2018-02-28 00:00:00

abstract：PURPOSE:This study was aimed to investigate the effects of a phenolic antioxidant, butylated hydroxyanisole (BHA) and its metabolite, tert-butylhydroquinone (tBHQ) on the induction of HO-1, NQO1 and Nrf2 proteins and their regulatory mechanisms in primary-cultured hepatocytes. METHODS:After exposure of BHA and tBHQ to...

journal_title：Pharmaceutical research

authors： Keum YS,Han YH,Liew C,Kim JH,Xu C,Yuan X,Shakarjian MP,Chong S,Kong AN

更新日期：2006-11-01 00:00:00

abstract：PURPOSE:We have already demonstrated that the HMG-CoA reductase inhibitor, pravastatin is actively taken up by isolated rat hepatocytes via a multispecific anion transporter (Yamazaki et al., Am. J. Physiol. 264, G36-44, (1993)). We further attempted the quantitative evaluation of this uptake in different experimental ...

journal_title：Pharmaceutical research

authors： Ishigami M,Tokui T,Komai T,Tsukahara K,Yamazaki M,Sugiyama Y

更新日期：1995-11-01 00:00:00

abstract：PURPOSE:In vitro and in vivo permeation studies were conducted to evaluate the characteristic of percutaneous administration of high hydrophilic drug L-carnitine (LC) by Functional MicroArray (FMA) painless intradermal delivery system. METHODS:In vitro study was designed to assess the effects of various skins, donor c...

journal_title：Pharmaceutical research

authors： Zhang S,Qin G,Wu Y,Gao Y,Qiu Y,Li F,Xu B

更新日期：2011-01-01 00:00:00

abstract：PURPOSE:The present investigation describes a formulative study for the development of innovative drug delivery systems for bromocriptine. METHODS:Solid lipid nanoparticles (SLN) based on different lipidic components have been produced and characterized. Morphology and dimensional distribution have been investigated b...

journal_title：Pharmaceutical research

authors： Esposito E,Fantin M,Marti M,Drechsler M,Paccamiccio L,Mariani P,Sivieri E,Lain F,Menegatti E,Morari M,Cortesi R

更新日期：2008-07-01 00:00:00

abstract：PURPOSE:The aim of this work was to develop PEGylated poly(alkylcyanoacrylate) nanoparticles from a novel methoxypolyethyleneglycol cyanoacrylate-co-hexadecyl cyanoacrylate copolymer. METHODS:PEGylated and non-PEGylated nanoparticles were formed by nanoprecipitation or by emulsion/solvent evaporation. Nanoparticles si...

journal_title：Pharmaceutical research

authors： Peracchia MT,Vauthier C,Desmaële D,Gulik A,Dedieu JC,Demoy M,d'Angelo J,Couvreur P

更新日期：1998-04-01 00:00:00

abstract：PURPOSE:To assess the uridine diphosphate (UDP)-glucuronosyltransferase (UGT) isozymes involved in the glucuronidation of niflumic acid in human liver. METHODS:The glucuronidation activity of niflumic acid was determined in liver microsomes and recombinant UGT isozymes by incubation of niflumic acid with UDP-glucuroni...

journal_title：Pharmaceutical research

authors： Mano Y,Usui T,Kamimura H

更新日期：2006-07-01 00:00:00

abstract：PURPOSE:This study compared gene expression profiles in mouse lungs after administration of the cationic polymers polyethyleneimine (PEI) or chitosan alone or formulated with a luciferase reporter plasmid (PEI-pLuc, chitosan-pLuc). METHODS:The polymers and formulations were administered intratracheally to Balb/c mice ...

journal_title：Pharmaceutical research

authors： Regnström K,Ragnarsson EG,Fryknäs M,Köping-Höggård M,Artursson P

更新日期：2006-03-01 00:00:00

abstract：:Liver fibrosis is a pathological condition originating from liver damage that leads to excess accumulation of extracellular matrix (ECM) proteins in the liver. Viral infection, chronic injury, local inflammatory responses and oxidative stress are the major factors contributing to the onset and progression of liver fib...

journal_title：Pharmaceutical research

authors： Kumar V,Mahato RI

更新日期：2015-02-01 00:00:00

abstract：PURPOSE:To evaluate the reaction of a large series of pharmacologically significant 1,4-dihydropyridine (1,4-DHP) compounds with superoxide (O2.-) in dimethylsulfoxide using differential pulse voltammetry and controlled potential electrolysis. METHODS:Differential pulse voltammetry was used to track the consumption of...

journal_title：Pharmaceutical research

authors： Oriz ME,Núñez-Vergara LJ,Squella JA

更新日期：2003-02-01 00:00:00

abstract：PURPOSE:Herein we report the discovery of a group of derivatized alpha-amino acids that increase the oral bioavailability of sodium cromolyn. METHODS:We prepared three N-acylated alpha-amino acids and used these compounds to demonstrate the oral delivery of cromolyn in an in vivo rat model. In vitro experiments, inclu...

journal_title：Pharmaceutical research

authors： Leone-Bay A,Leipold H,Sarubbi D,Variano B,Rivera T,Baughman RA

更新日期：1996-02-01 00:00:00

abstract：PURPOSE:To develop and subsequently evaluate a novel phase inversion-based method used to formulate lipidic nanocapsules. METHODS:Mechanical properties of emulsions prepared by multiinversion phase processes were investigated using a drop tensiometer. Based on the results obtained, a formulation process was developed ...

journal_title：Pharmaceutical research

authors： Heurtault B,Saulnier P,Pech B,Proust JE,Benoit JP

更新日期：2002-06-01 00:00:00

abstract：PURPOSE:Previous studies by other investigators have shown an enhancement of mitomycin C (MMC) activity at acidic extracellular pH (pHe) in monolayer cultures of human cells. The goal of the present study was to determine if the efficacy of intravesical MMC therapy in patients treated for superficial bladder cancer can...

journal_title：Pharmaceutical research

authors： Yen WC,Schmittgen T,Au JL

更新日期：1996-12-01 00:00:00

abstract：PURPOSE:The purpose of this study was to evaluate glucose responsiveness in HepG2 human hepatoma cells transduced by a recombinant adeno-associated virus (rAAV) vector containing the insulin gene promoter. and to investigate the effect of protamine sulfate on rAAV-mediated gene delivery. METHODS:Recombinant AAV vector...

journal_title：Pharmaceutical research

authors： Yang YW,Hsieh YC

更新日期：2001-07-01 00:00:00

abstract：:Various derivatives of the C-terminal amide group in N-protected amino acid and peptide amides were synthesized to assess their suitability as prodrug forms with the aim of protecting the amide or peptide bond against cleavage by alpha-chymotrypsin. Whereas N-acetylation, N-hydroxymethylation, and N-phthalidylation di...

journal_title：Pharmaceutical research

authors： Kahns AH,Bundgaard H

更新日期：1991-12-01 00:00:00

abstract：PURPOSE:To examine the presence of multiplicity for the biliary excretion of xenobiotic conjugates, we studied the disposition of glycyrrhizin (GR), which has glucuronide within its molecular structure and has the ability to inhibit the biliary excretion of liquiritigenin (LG) glucuronides. METHODS:GR was administered...

journal_title：Pharmaceutical research

authors： Shimamura H,Suzuki H,Tagaya O,Horie T,Sugiyama Y

更新日期：1996-12-01 00:00:00

abstract：PURPOSE:An asymmetric membrane (AM) tablet was developed for a soluble model compound to study the in vitro drug release mechanisms in challenge conditions, including osmotic gradients, concentration gradients, and under potential coating failure modes. Porous, semipermable membrane integrity may be compromised by a hi...

journal_title：Pharmaceutical research

authors： Am Ende MT,Miller LA

更新日期：2007-02-01 00:00:00

abstract：PURPOSE:The aim was to investigate the influence of polymer content and molecular weight on the morphology and heat- and moisture-induced transformations, as indicators of stability, of spray-dried composite particles of amorphous lactose and poly(vinylpyrrolidone) (PVP). METHODS:Amorphous lactose and composite partic...

journal_title：Pharmaceutical research

authors： Berggren J,Alderborn G

更新日期：2003-07-01 00:00:00

abstract：:A number of substituted phthalimide, 1, 8-naphthalimide, succinimide and glutarimide derivatives demonstrated significant hypolipidemic activity at 20 mg/kg/ day, I.P. after 16 days dosing. The N-(n-pentyl) succinimide proved to be the most potent analogue of the new compounds, lowering serum triglyceride levels 51 % ...

journal_title：Pharmaceutical research

authors： Chapman JM Jr,Wyrick SD,Maguire JH,Cocolas GH,Hall IH

更新日期：1984-11-01 00:00:00

abstract：PURPOSE:The preparation of drug/cyclodextrin complexes is a suitable method to improve the dissolution of poor soluble drugs. The efficacy of the Controlled Particle Deposition (CPD) as a new developed method to prepare these complexes in a single stage process using supercritical carbon dioxide is therefore compared w...

journal_title：Pharmaceutical research

authors： Hussein K,Türk M,Wahl MA

更新日期：2007-03-01 00:00:00

abstract：PURPOSE:VLPs displaying tumor targeting single-chain variable fragments (VLP-rscFvs) which targets tumor-associated glycoprotein-72 (TAG-72) marker protein have a potential for immunotherapy against colon carcinoma tumors. In this study, scFvs anchored on VLPs using glycosylphosphatidylinositol (GPI) were prepared to t...

journal_title：Pharmaceutical research

authors： Deo VK,Yui M,Alam J,Yamazaki M,Kato T,Park EY

更新日期：2014-08-01 00:00:00