Focused-ion-beam milling: a novel approach to probing the interior of particles used for inhalation aerosols.

abstract：PURPOSE:Present study assessed the influence of gallate esterification on the anti-cancer activity of procyanidin B2 (B2) in androgen-dependent human prostate carcinoma LNCaP cells employing B2-3,3'-di-O-gallate (B2-G(2)), two mono-gallate esters B2-3-O-gallate (B2-3G) and B2-3'-O-gallate (B2-3'G) and the parent compou...

journal_title：Pharmaceutical research

authors： Chou SC,Kaur M,Thompson JA,Agarwal R,Agarwal C

更新日期：2010-04-01 00:00:00

abstract：PURPOSE:The purpose of this study was to determine the existence of insulin-degrading enzyme (EC 3.4.22.11) (IDE) in rat intestinal enterocytes. METHODS:Subcellular fractionation, biochemical characterization, immunoprecipitation, and western blots were employed. RESULTS:Insulin-degrading activity was localized in th...

journal_title：Pharmaceutical research

authors： Bai JP,Chang LL

更新日期：1995-08-01 00:00:00

abstract：PURPOSE:To develop novel bioactive-chylomicrons to solve oral delivery obstacles of Berberine chloride and target the lymphatic system. METHODS:Berberine-loaded bioactive-chylomicrons were prepared and underwent full in vitro characterization. Intestinal permeability was appraised via both non-everted gut sac model an...

journal_title：Pharmaceutical research

authors： Elsheikh MA,Elnaggar YSR,Otify DY,Abdallah OY

更新日期：2018-01-05 00:00:00

abstract：PURPOSE:Using monolayers of human pancreatic adenocarcinoma cells (Panc-1) that express multidrug resistance-associated protein (MRP), the present work investigates the effects of Pluronic block copolymers on the functional activity of MRP. METHODS:The studies examined the accumulation and efflux of the MRP selective ...

journal_title：Pharmaceutical research

authors： Miller DW,Batrakova EV,Kabanov AV

更新日期：1999-03-01 00:00:00

abstract：:Nucleoside transporters play a critical role in the absorption, disposition, and targeting of therapeutically used nucleosides and nucleoside analogs. This review is focused on the Na(+)-dependent, concentrative nucleoside transporters which are found in a variety of cells including renal, intestinal and hepatic epith...

journal_title：Pharmaceutical research

authors： Wang J,Schaner ME,Thomassen S,Su SF,Piquette-Miller M,Giacomini KM

更新日期：1997-11-01 00:00:00

abstract：PURPOSE:4-Phenylbutyrate (4-PBA) is expected to be a potential therapeutic for several neurodegenerative diseases. These activities require 4-PBA transport into the brain across the blood-brain barrier (BBB). The objective of the present study was to characterize the brain transport mechanism of 4-PBA through the BBB. ...

journal_title：Pharmaceutical research

authors： Lee NY,Kang YS

更新日期：2016-07-01 00:00:00

abstract：:The effect of γ-cyclodextrin and its four derivatives on the solubility of progesterone in phosphate buffer pH 7.4 was investigated. γ-Cyclodextrin forms a complex precipitating from solution at low cyclodextrin concentrations. No precipitation of complexes was observed with the γ-cyclodextrin derivatives. This change...

journal_title：Pharmaceutical research

authors： Müller BW,Brauns U

更新日期：1985-11-01 00:00:00

abstract：PURPOSE:Study the radiolysis of solid-state metoclopramide hydrochloride at various absorbed doses. Elucidate the structure of the degradation products to gain information on the radiolysis mechanisms. METHODS:Solid-state metoclopramide samples were irradiated at several doses with gamma rays and high-energy electrons...

journal_title：Pharmaceutical research

authors： Maquille A,Slegers C,Habib JL,Tilquin B

更新日期：2006-06-01 00:00:00

abstract：PURPOSE:Hydroxylation of the antidepressant and smoking deterrent drug bupropion is a clinically important bioactivation and elimination pathway. Bupropion hydroxylation is catalyzed selectively by cytochrome P4502B6 (CYP2B6). CYP2B6-catalyzed bupropion hydroxylation has been used as an in vitro and in vivo phenotypic ...

journal_title：Pharmaceutical research

authors： Coles R,Kharasch ED

更新日期：2008-06-01 00:00:00

abstract：:The application of supercritical fluid (SF) processing in pharmaceutical research is increasing particularly in the field of particle formation for drug delivery systems. The SF processes have benefits over the existing particle formation methods in terms of improved control, flexibility and operational ease. This rev...

journal_title：Pharmaceutical research

authors： Palakodaty S,York P

更新日期：1999-07-01 00:00:00

abstract：PURPOSE:Characterization of virosomes, in late stage preclinical development as vaccines for Respiratory Syncytial Virus (RSV), with a membrane-incorporated synthetic monophosphoryl lipid A, 3D-PHAD® adjuvant. METHODS:Virosomes were initially formed by contacting a lipid film containing 3D-PHAD® with viral membranes s...

journal_title：Pharmaceutical research

authors： Lederhofer J,van Lent J,Bhoelan F,Karneva Z,de Haan A,Wilschut JC,Stegmann T

更新日期：2018-07-03 00:00:00

abstract：:The origin of the microheterogeneity of a highly purified antiinflammatory humanized monoclonal antibody prepared in mammalian cell culture has been investigated. This antibody is an IgG directed toward human CD18 (a subunit of leukocyte integrins). When the IgG preparation is subjected to isoelectric focusing, it is ...

journal_title：Pharmaceutical research

authors： Tsai PK,Bruner MW,Irwin JI,Ip CC,Oliver CN,Nelson RW,Volkin DB,Middaugh CR

更新日期：1993-11-01 00:00:00

abstract：PURPOSE:The aim of this study was to develop a labile sphingosine-based liposome for intramuscular gene delivery. METHODS:Sphingosine-based liposomes were formulated in a range of solutions with phosphatidylcholine, then were associated to DNA. The physico-chemical characteristics of the sphingosine/EPC liposomes and ...

journal_title：Pharmaceutical research

authors： Baraldo K,Leforestier N,Bureau M,Mignet N,Scherman D

更新日期：2002-08-01 00:00:00

abstract：:The internalization of a neuromodulatory adrenocorticotropic hormone (ACTH) analogue, [125I]ebiratide (H-Met(O2)-Glu[125I]His-Phe-D-Lys-Phe-NH(CH2)2NH2), was examined in cultured monolayers of bovine brain capillary endothelial cells (BCEC). HPLC analysis of the incubation solution showed that [125I]ebiratide was not ...

journal_title：Pharmaceutical research

authors： Terasaki T,Takakuwa S,Saheki A,Moritani S,Shimura T,Tabata S,Tsuji A

更新日期：1992-04-01 00:00:00

abstract：:The efficacy of topical formulations of acidic fibroblast growth factor (aFGF) in healing of full-thickness wounds has been studied in a diabetic db+/db+ mouse model. The effect of several formulation variables, dose, and application frequency was examined. It was found that wound healing in diabetic animals treated w...

journal_title：Pharmaceutical research

authors： Matuszewska B,Keogan M,Fisher DM,Soper KA,Hoe CM,Huber AC,Bondi JV

更新日期：1994-01-01 00:00:00

abstract：PURPOSE:This study seeks to develop fiber membranes for local sustained delivery of 25-hydroxyvitamin D3 to induce the expression and secretion of LL-37 at or near the surgical site, which provides a novel therapeutic approach to minimize the risk of infections. METHODS:25-hydroxyvitamin D3 loaded poly(L-lactide) (PLA...

journal_title：Pharmaceutical research

authors： Jiang J,Chen G,Shuler FD,Wang CH,Xie J

更新日期：2015-09-01 00:00:00

abstract：:Penetration of various compounds through shed snake skin was measured in vitro to examine the effect of lipophilicity and molecular size of a compound on permeability through this model membrane. The permeabilities were found to be controlled by the lipophilicity and the molecular size of the permeant. The smaller and...

journal_title：Pharmaceutical research

authors： Itoh T,Magavi R,Casady RL,Nishihata T,Rytting JH

更新日期：1990-12-01 00:00:00

abstract：:Seven healthy, male volunteers were entered into a randomized, open crossover study of the gastrointestinal transit of two enteric-coated 500-mg naproxen tablets. Two radiolabeled tablets were given to each volunteer on two occasions separated by 7 days, once in the fasted state and once after breakfast. Radiolabeling...

journal_title：Pharmaceutical research

authors： Wilding IR,Hardy JG,Sparrow RA,Davis SS,Daly PB,English JR

更新日期：1992-11-01 00:00:00

abstract：PURPOSE:Bioadhesion is an important property of biological membranes, that can be utilized in pharmaceutical and biomedical applications. In this study, we have fabricated mucoadhesive drug releasing films with bio-based, non-toxic and biodegradable polymers that do not require chemical modifications. METHODS:Nanofibr...

journal_title：Pharmaceutical research

authors： Laurén P,Paukkonen H,Lipiäinen T,Dong Y,Oksanen T,Räikkönen H,Ehlers H,Laaksonen P,Yliperttula M,Laaksonen T

更新日期：2018-05-22 00:00:00

abstract：PURPOSE:To evaluate and classify the hydrolases of the primate lung. METHODS:Homologous series of aromatic, aliphatic, and choline ester substrates were assayed with the pH-stat method to obtain the Michaelis-Menten kinetic constants, Vmax and K(m), for the enzymes in pulmonary alveolar tissue with esterase activity. ...

journal_title：Pharmaceutical research

authors： Leng HM,Syce JA

更新日期：1997-02-01 00:00:00

abstract：PURPOSE:A Selegiline Transdermal System (STS) is under development for indications which may not be optimally or safely treated with oral selegiline. Studies were conducted to evaluate the in vitro penetration and skin metabolism of selegiline in order to better understand the toxicological findings and the observed pl...

journal_title：Pharmaceutical research

authors： Rohatagi S,Barrett JS,McDonald LJ,Morris EM,Darnow J,DiSanto AR

更新日期：1997-01-01 00:00:00

abstract：PURPOSE:To demonstrate a very effective and easy way of stabilization of amorphous indomethacin (IMC) by preparing binary mixtures with octaacetylmaltose (acMAL). In order to understand the origin of increased stability of amorphous system inter- and intramolecular interactions between IMC and acMAL were studied. METH...

journal_title：Pharmaceutical research

authors： Kaminska E,Adrjanowicz K,Zakowiecki D,Milanowski B,Tarnacka M,Hawelek L,Dulski M,Pilch J,Smolka W,Kaczmarczyk-Sedlak I,Kaminski K

更新日期：2014-10-01 00:00:00

abstract：PURPOSE:The specific interactions between three lectin-latex conjugates and different structures of rat intestinal mucosa have been studied ex vivo. METHODS:These systems were prepared by covalent coupling of different ligands, i.e., tomato lectin (TL), asparagus pea lectin (AL), mycoplasma gallisepticum lectin (ML), ...

journal_title：Pharmaceutical research

authors： Irache JM,Durrer C,Duchêne D,Ponchel G

更新日期：1996-11-01 00:00:00

abstract：PURPOSE:Modulation of 5-HT3 receptor in the central nervous system (CNS) is a promising approach for treatment of neuropathic pain. The goal was to evaluate the role of P-glycoprotein (Pgp) in limiting exposure of different parts of the CNS to ondansetron (5-HT3 receptor antagonist) using wild-type and genetic knockout...

journal_title：Pharmaceutical research

authors： Chiang M,Back HM,Lee JB,Oh S,Guo T,Girgis S,Park C,Haroutounian S,Kagan L

更新日期：2020-09-28 00:00:00

abstract：:We describe an assay for acrolein in urine, employing derivatization with m-aminophenol in the presence of ferrous sulfate solution in sulfuric acid. The derivative (7-OH quinoline; DER) and the internal standard (quinine-bisulfate; IS) were separated on a 10-micron particle, 8 mm x 10-cm C18 cartridge in conjunction ...

journal_title：Pharmaceutical research

authors： al-Rawithi S,el-Yazigi A,Nicholls PJ

更新日期：1993-11-01 00:00:00

abstract：PURPOSE:Evaluate the ability of (-)-6-aminocarbovir ((-)-6AC) to improve the CNS exposure to (-)-carbovir ((-)-CBV). METHODS:Activation of (-)-6AC in vitro was assessed by incubations of rat brain tissue homogenates. The in vivo brain exposure to (-)-CBV was then examined in rats after iv infusions of either (-)-CBV (...

journal_title：Pharmaceutical research

authors： Wen YD,Remmel RP,Pham PT,Vince R,Zimmerman CL

更新日期：1995-06-01 00:00:00

abstract：PURPOSE:To evaluate 26 marketed oncology drugs for time-dependent inhibition (TDI) of cytochrome P450 (CYP) enzymes. Evaluate TDI-positive drugs for potential to generate reactive intermediates. Assess clinical drug-drug interaction (DDI) risk using static mechanistic models. METHODS:Human liver microsomes and CYP-spe...

journal_title：Pharmaceutical research

authors： Kenny JR,Mukadam S,Zhang C,Tay S,Collins C,Galetin A,Khojasteh SC

更新日期：2012-07-01 00:00:00

abstract：:Fibers were spun by the downward configuration of the wet spinning technique. This configuration is capable of encapsulating nonspherical and/or coarse particles. We examined encapsulation of propranolol hydrochloride and the ability of the fibers to act as a sustained-release delivery system for propranolol hydrochlo...

journal_title：Pharmaceutical research

authors： Hussain MA,DiLuccio RC,Shefter E,Hurwitz AR

更新日期：1989-12-01 00:00:00

abstract：PURPOSE:The purpose of this human intestinal perfusion study was to investigate the transport and metabolism of R/S-verapamil in the human jejunum (in vivo). METHODS:A regional single-pass perfusion of the jejunum was performed using a Loc-I-Gut perfusion tube in 12 healthy volunteers. Each perfusion lasted for 200 mi...

journal_title：Pharmaceutical research

authors： Sandström R,Karlsson A,Knutson L,Lennernäs H

更新日期：1998-06-01 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