Abstract：
:A model of gingival inflammation was performed in Sprague-Dawley rats weighing 180-200 g. Mechanical bamboo stick-induced injury was inflammatory when bacteria contaminated the sticks. Bacteria were first obtained from gingival fluid collected from a patient with adult periodontitis. Another strain from Institut Pasteur (IP 6444) induced similar inflammation. Inflammation was then quantified 10 days later by means of elastase assays performed in gingival extracts. In parallel, elastic structures were observed and elastic fibers were quantified by automated image analysis. This technique of "impaction" was able to induce a gingival inflammatory reaction characterized by a significant increase of gingival elastase content, infiltration of gingival tissues by elicited cells, and gingival elastic fiber breakdown. These parameters were correlated, and measurement of one of them might be useful for pharmacological studies applied to the treatment of periodontal lesions. An example of results obtained from animals treated by heparine was shown.
journal_name
J Pharmacol Toxicol Methodsjournal_title
Journal of pharmacological and toxicological methodsauthors
Guessous F,Huynh C,N'Guyen H,Godeau G,Giroud JP,Meyer J,Hornebeck W,Roch-Arveiller Mdoi
10.1016/1056-8719(94)90070-1subject
Has Abstractpub_date
1994-11-01 00:00:00pages
161-7issue
3eissn
1056-8719issn
1873-488Xpii
1056-8719(94)90070-1journal_volume
32pub_type
杂志文章abstract：INTRODUCTION:A large number of drugs from a variety of pharmacological classes have been demonstrated to cause adverse effects on cardiac rhythm, including the life-threatening arrhythmia Torsades de Pointes. These side effects are often associated with prolongation of the QT interval and are mediated via blockade of t...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2006.09.003
更新日期：2007-05-01 00:00:00
abstract：INTRODUCTION:Drug-induced QT prolongation is a major safety issue during drug development because it may lead to lethal ventricular arrhythmias. In this study, we evaluated the utility of multi-electrode arrays (MEA) with human induced pluripotent stem cell-derived cardiomyocytes (hiPS-CMs) to predict drug-induced QT p...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章,多中心研究
doi：10.1016/j.vascn.2015.12.002
更新日期：2016-03-01 00:00:00
abstract：INTRODUCTION:Multiple cardiac ion channels are prone to block by pharmaceutical compounds, and this can have large implications for cardiac safety. The effect of a compound on individual ion currents can now be measured in automated patch clamp screening assays. In-silico action potential models are proposed as one way...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2015.05.002
更新日期：2015-09-01 00:00:00
abstract：:In this study a new model of cerebral ischemia, based on a middle cerebral artery (MCA) thrombosis in rats is described. Furthermore, the effect of the novel plasminogen activator (SUN9216), a plasminogen-plasminogen activator chimera, comprising the fibrin kringle 1 domain of a plasminogen, and the two kringles, and ...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/1056-8719(93)90068-p
更新日期：1993-06-01 00:00:00
abstract：:We report a simple fluorometric method for the continuous monitoring of mitochondrial membrane potential and cell viability in suspensions of hepatocytes exposed in vitro to cytotoxic agents. Suspensions of freshly isolated hepatocytes (10(6) cells/mL) preloaded with rhodamine 123 (Rh 123, 100 mumol/L) are transferred...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/1056-8719(95)00131-x
更新日期：1996-02-01 00:00:00
abstract：:This article outlines a strategy for collecting accurate data for the determination of the sensitivity, specificity and predictive value of safety pharmacology models. This entails performing a retrospective analysis on commonly used safety pharmacology endpoints and an objective assessment of new non-clinical models....
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2009.05.011
更新日期：2009-09-01 00:00:00
abstract：INTRODUCTION:The ability to quantify systemic concentrations of protein therapeutics is complicated by the presence of endogenous analyte, specific binding proteins, and nonspecific matrix components in biological matrices (Lee & Ma, 2007). Further complications can be introduced following pegylation whereby polyethyle...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2009.12.004
更新日期：2010-03-01 00:00:00
abstract：:Buffers used to incubate cells for pharmacological or toxicological studies are usually of very simple composition, far from the composition of biological fluids or cell culture media. Comparative studies on taurine uptake levels by cultured cells show that a new CO2-Independent Medium (CIM) is suitable for incubating...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/s1056-8719(98)00020-3
更新日期：1998-06-01 00:00:00
abstract：:An HPLC method is described using conductimetric detection for the quantitative determination of sodium, potassium, magnesium, and calcium in cerebrospinal fluid (CSF) and plasma of conscious rabbits. This method enabled the four cations to be estimated with rapidity, sensitivity, accuracy, and precision. The mean mil...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/1056-8719(93)90057-l
更新日期：1993-04-01 00:00:00
abstract：INTRODUCTION:Heart rate affects coronary flow, but the mechanism is complex. The relationship between rhythm and flow is unclear, especially in experimental settings used for determining drug actions. The present study examined whether ventricular irregularity influences coronary flow independently of heart rate. METH...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2015.10.001
更新日期：2016-01-01 00:00:00
abstract：INTRODUCTION:cDNA microarray technology has greatly facilitated mechanistic studies in pharmacology and toxicology. A clean hybridization with minimal background is critical for successful microarray analysis and is highly desired. However, clean hybridization alone is not enough; verification is needed. METHODS:Total...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2004.02.001
更新日期：2004-07-01 00:00:00
abstract：INTRODUCTION:In vitro metabolism models such as liver microsomes represent an important tool for the development of novel radioligands. Comparability and physiological relevance of in vitro metabolism data critically depend on the careful evaluation and optimization of assay protocols. We therefore investigated the inf...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2018.11.005
更新日期：2019-01-01 00:00:00
abstract：INTRODUCTION:Accurate preclinical modeling of diabetic complications such as retinopathy, nephropathy and neuropathy is crucial to enable the development of novel preventative therapies. The aims of this study were to establish a model of long-term diabetes with sustained medium scale hyperglycemia and characterize the...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2015.11.003
更新日期：2016-03-01 00:00:00
abstract：:The method of determination of the minute excretion of tubular epithelial cells renders it possible to investigate the course of the nephrotoxic effect of the toxin by the influence of which excretion of tubular round epithelial cells is increased. The nephrotoxic effect of repeated administration of amphotericin B (1...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/s1056-8719(96)00126-8
更新日期：1996-12-01 00:00:00
abstract：:There are three major assays that must be conducted in standard investigational new drug (IND) -enabling ototoxicity study designs: 1) functional acoustic threshold measurements (Auditory Brainstem Respsonse, ABR); 2) otohistopathology and 3) cytocochleograms. We provide evidence to demonstrate the unreliability of au...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章,评审
doi：10.1016/j.vascn.2017.09.254
更新日期：2017-01-01 00:00:00
abstract：INTRODUCTION:Telemetry beagle dogs are the most frequently used species in cardiovascular telemetry assessments. However, beagle dogs may not be always suitable for all of the tests. Recently minipigs have received increased attention for these studies. Differences between the two species regarding the response of thei...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2014.03.172
更新日期：2014-07-01 00:00:00
abstract：:The aim of the present study was to formulate a simple chemically defined medium for the in vitro growth of rat two-cell embryos to blastocysts. Embryos from day 2 pregnant rats were retrieved and placed in paraffin oil-covered droplets of "rat two-cell embryo culture medium" (R2ECM) containing combinations of various...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/s1056-8719(00)00084-8
更新日期：2000-05-01 00:00:00
abstract：INTRODUCTION:Drug-induced QT interval prolongation may lead to ventricular arrhythmias. The aim of the study was to optimize QT interval data processing to quantify drug-induced QT interval prolongation in the telemetry instrumented conscious dog model. METHODS:The test substances cisapride, dofetilide, haloperidol, a...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2006.02.009
更新日期：2007-01-01 00:00:00
abstract：INTRODUCTION:Bioimpedance spectroscopy (BIS) has been used in human and large animal research to assess body fluid compartment volumes (BFC) such as total body water (TBW), extracellular fluid volume (ECFV), and intracellular fluid volume (ICFV). To date, the application of BIS for determination of BFC in small researc...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2012.02.001
更新日期：2012-03-01 00:00:00
abstract：:The objective of this research is to determine whether the administration of a complete soft food formula to sub-lethal irradiated animals from three different transgenic mouse strains over a period of 21 consecutive days will have a significant impact on the clinical signs, and the general survival rate of the animal...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2014.12.003
更新日期：2015-01-01 00:00:00
abstract：INTRODUCTION:Detection of drug effects on neuronal synapses is important for predicting their adverse effects. We have used drebrin as a marker to detect the synaptic changes in cultured neurons. High concentration of glutamate decreases the amount of drebrin in synapses. To increase the availability of this method for...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2019.106607
更新日期：2019-01-01 00:00:00
abstract：:Seizures are amongst the most frequent neurological issues encountered in pre-clinical safety testing. The objective was to characterize EEG morphologies and premonitory signs in drug-induced seizures in preclinical species. A comparative (inter-species) retrospective analysis for drug-induced seizures recorded by vid...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2019.106611
更新日期：2019-01-01 00:00:00
abstract：:"What do you know about Safety Pharmacology?" This is the question that was asked in 2000 with the inception of the Safety Pharmacology Society (SPS). There is now a widespread awareness of the role of safety pharmacology in drug discovery and increasing awareness among the wider community of methods and models used i...
journal_title：Journal of pharmacological and toxicological methods
pub_type：
doi：10.1016/j.vascn.2014.08.004
更新日期：2014-09-01 00:00:00
abstract：INTRODUCTION:The standard Ficoll-Hypaque method used to isolate peripheral blood mononuclear cells (PBMC) gives very variable results when used with cynomolgus monkey blood. We have improved the method by using special cell processing tubes (CP-tubes), originally developed for clinical use. METHODS:Blood samples were ...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2004.04.003
更新日期：2004-09-01 00:00:00
abstract：INTRODUCTION:Inhalation of antigen in atopic asthma induces early (EAR) and late asthmatic responses (LARs), inflammatory cell infiltration and airways hyperresponsiveness (AHR). Previously, we have established a protocol of sensitisation and subsequent ovalbumin (Ova) inhalation challenge in guinea-pigs which induced ...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2014.10.007
更新日期：2015-03-01 00:00:00
abstract：:Evaluation of angiotensin II (AII) receptor binding often necessitates freezing of the tissue of interest prior to assay of radioligand binding. This study evaluated the effects of freezing of various rat tissues at different rates on 125I-sarcosine1, isoleucine8 angiotensin II (125I-SI AII) binding to AII receptor su...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/1056-8719(94)00061-8
更新日期：1995-04-01 00:00:00
abstract：INTRODUCTION:A credible animal overactive bladder model used in basic research is an indispensable harbinger of safe and ethical clinical trials on human subjects. Our objective was to develop a new animal model of a hyperactive bladder that will be void of inflammatory urothelium lesions and display significant sensit...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2015.04.006
更新日期：2015-07-01 00:00:00
abstract：INTRODUCTION:Reversible protein cysteine oxidation is recognised as a pivotal post-transitional modification that transduces physiological as well as pathological signalling. Pharmacological interventions that target specific sources of oxidant formation are currently being trialled to ascertain their potential ability...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/j.vascn.2013.07.001
更新日期：2013-11-01 00:00:00
abstract：:Escherichia coli produces a heat-stable (STa) enterotoxin that belongs to a family of peptides that mediate several diarrheal diseases, including traveler's diarrhea and epidemic diarrhea in infants and newborns. The STa enterotoxin consists of 18 or 19 amino acids and is encoded by genes specified on a transposon. In...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章,评审
doi：10.1016/1056-8719(92)90049-7
更新日期：1992-09-01 00:00:00
abstract：INTRODUCTION:In order to investigate the pharmacokinetics of water-borne chemicals while eliminating exposures by other routes, a dermal exposure system was developed to expose the hand and forearm of human subjects. METHODS:The goal was, primarily, to study the dermal pharmacokinetics of methyl tertiary butyl ether (...
journal_title：Journal of pharmacological and toxicological methods
pub_type： 杂志文章
doi：10.1016/S1056-8719(03)00004-2
更新日期：2002-05-01 00:00:00
