To achieve this objective, al2o3 of three different sizes 30nm, 40nm and bulk was orally administered for 28 days to 9 groups of 10 wistar rats each, at the dose of 500, and 2000 mgkg rat. To develop a metabolic syndrome rat model by induction of fructose drinking water fdw in male wistar rats. Ami was induced in both ha and cr wistar rats by one operator. The inhand project international harmonization of nomenclature and diagnostic criteria for lesions in rats and mice is a joint initiative of the societies of toxicologic pathology from europe estp, great britain bstp, japan jstp and north america stp to develop an internationallyaccepted nomenclature for proliferative and nonproliferative lesions in laboratory animals. A new experimental model of cigarette smokeinduced emphysema. The impact of four different classes of anesthetics on the. Wistar outbred rats show close genetic similarity with. However, the application of optogenetics in rats has been hindered because of the limited number of established transgenic rat. Materials and methods animals 20 white albino wistar rats weighing between 100 i 50gm were used. It is an albino strain, easytohandle, it is however slower learner than long evans rat. In a study carried by qi d et al 2004, adult male wistar rats 270290 g were obtained from the university of british columbia animal care unit and fed a standard laboratory diet pmi feeds, richmond, va and water ad libitum.
Body weights for all routesvehicles for wistar han rats. Toxicopathology of paraquat herbicide in female wistar rats. Steer department of surgery and harvard digestive diseases center, beth israel hospital and haward medical school, boston, masskhusetts the shortterm effects of rat pancreatic duct obstruc tion were evaluated and compared with those re. If the image photo is included then we should be careful which pages redirect to this article.
Feb 10, 2015 a dorsal bilateral adrenalectomy of rat. Effects of aluminium chloride exposure on the cerebral. The survey, performed at the 10th generation of backcrossing, showed that wistar fatty rats fafa, a congenic strain of wky, developed obesity and obesityrelated features, such as hyperinsulinemia and hyperlipemia, in the same manner as zucker fatty rats. Prolonged survival of avn wistar rats with transplanted. A similar mechanism to account for the decreased nicotine selfadministration in wky compared to wistar rats has been suggested. Genetic architecture of wistarkyoto rat and spontaneously. Genetic architecture of wistar kyoto rat and spontaneously hypertensive rat substrains from different sources yanli zhangjames,1 frank a.
Combining quantitative and qualitative data in the study of feeding behavior in male wistar rats. Pdf merge combinejoin pdf files online for free soda pdf. Pdf in summary, the creation and maintenance of the wistar rats as standardized animals can be attributed to the breeding work of helen. Cytogenetic effects of lambdacyhalothrin on wistar rat bone marrow. All animal experiments were approved by the ethics committee of the first hospital of jinlin university in changchun, jilin. Ovariectomized spraguedawley sd and wistar rats are widely used as animal models for postmenopausal osteoporosis. Thetask1komicehasbeendescribed in detail elsewhere aller et al. Faraone1,2 1department of psychiatry, state university of new york upstate medical university, syracuse, new york. A tenth group of 10 rats received distilled water and served as control. Wistar igs rat details to scientific products farm, ltd. While less commonly used for research than mice, rats have served as an important animal model for research in psychology and biomedical science. Recently it was shown that results vary between studies using wistar rats of different suppliers. Wistar rats are more active than others like sprague dawley rats.
This study aimed to investigate differences in the longterm effects of ovariectomy on these two breeds of rats. Origin and development the wild brown rat rattus norvegicus is thought to have had its original habitat in the temperate areas of what is now the ussr, from the caspian. Wistar rats from different suppliers have a different. It is characterized by its wide head, long ears, and a tail length that is always less than its body length. Its longevity and high rate of spontaneous tumours make it an ideal choice for ageing studies. Pdf toxic effect of lead on kidney function in rat wistar. They were fed ad libitum on rat cubes ladokun and sons livestock feeds, nigeria limited and allowed free access to fresh clean water in their rat cages. Request pdf metabolic differences between sprague dawley and wistar han male rats while sprague dawley sd rats are often used for nonclinical safety testing, wistar han wh rats are also. Then, a series of dilute nacl solutions, ranging from 0.
At the same time, wistar animals with normal blood pressure were selected to be used as a samegeneticbackground normotensive control of the spontaneously hypertensive rats. Invitro immunoassays, such as elispot, mixed lymphocyte reactions, cytotoxicity assays to measure adcc or cdc, and plaque assays are routinely performed using these cells. Comparison between spraguedawley and wistar rats as an. Comparison between spraguedawley and wistar rats as an experimental model of pharmacokinetic alterations induced by spinal cord injury. Multipotential differentiation ability along osteogenic, chondrogenic and adipogenic lineages. Experimental animals were housed in stainless steel cages with free access to drinking water and diet. Vaginal cytology pattern and birth features of female wistar. Mobile phone usage and male infertility in wistar rats article pdf available in indian journal of experimental biology 4810. Wistar han list of studies wistar han rats species strain sex route vehicle chemical rats wistar han male and female gavage corn oil pentabromodiphenyl ether mixture de71 technical grade rats wistar han male and female gavage corn oil tetrabromobisphenol a rats wistar han male and female gavage water green tea extract rats wistar han. Buffalo rat norway rat rattus pc12 clone is rattus norvegicus8 rattus norwegicus more. Depending on the parameters of your experiments, cells from wistar rats, like wistar rat splenocytes, may offer experimental advantages.
In addition, we tested a source of relatively pure rebaudioside a rebiana, and a consumer version of rebaudioside a truvia. A hypercaloric pelletdiet cycle induces obesity and co. Effects of watermelon citrullus lanatus seed on blood. The finding that wky rats showed no deficits in nicotine cta. Global ournal of harmac harmaceutical ciences ie i arile.
Inhibition of the development of collageninduced arthritis. Monascus yellow, red and orange pigments from red yeast. Cia was induced in male wistar rats and vagus nerve suspension or sham operation was performed on day 10 after the second immunization. Wistar rat article about wistar rat by the free dictionary. This study examined the effects of acute exercise on hyperglycemia and kinetic behavior of creatine kinase ck in diabetic rats. Effects of watermelon citrullus lanatus seed on blood glucose and electrolyte parameters in diabetic wistar rats 1omigie io. Rats are excellent animal models for experimental neuroscience. The sprague dawley rat and longevans rat were developed from wistar rats. Wistar outbred rats show close genetic similarity with f344 inbred rats satoshi nakanishi1, tadao serikawa1, 2, and takashi kuramoto1 1institute of laboratory animals, graduate school of medicine, kyoto university, yoshidakonoecho, sakyoku. This study aimed to compare the hypolipidaemic activities of different monascus pigments yellow, red and orange pigments and elucidate their possible regulatory mechanisms on lipid and cholesterol metabolism in rats fed on a highfat diet hfd. Currently, wistar rats and spraguedawley rats are gradually becoming the most used laboratory animals worldwide. Learn how to pronounce wistar and more about the wistar word at. Male and female wistar rats differ in decisionmaking performance in a rodent version of the iowa gambling task article pdf available in behavioural brain research 2342. Biochemical and histopathological profiling of wistar rat.
The administration of bacterin, like that of crude lipids obtained by the extraction of cell suspension with chloroformmethanol to rats, strain avn wistar, transplanted later with yoshida sarcoma, significantly prolonged the survival of the animals in comparison with the control group. The lowest concentration at which there was a reliable difference in the preference scores of conditioned and control rats was defined as the detection threshold. Rat pbmcs can be used for a wide variety of immunologybased applications. Toxicology reference data for the wistar rat springerlink. Wistar rat synonyms, wistar rat pronunciation, wistar rat translation, english dictionary definition of wistar rat. A hypercaloric pelletdiet cycle induces obesity and comorbidities in wistar rats original an d r e f. Spontaneous nonthymic t cell lymphomas in young wistar. Io rats served as test animals whilethe remaining 10 rats. In this study, we have investigated the effects of vagus nerve suspension in a rat model of collageninduced arthritis cia. Adult female wistar rats were bred in our facilities and fed with purina rat chow, and all animals were killed by cervical dislocation. A significant decrease in protein kinase c and total sperm count along with increased apoptosis were observed in male wistar rats exposed to mobile phone frequencies 2 hday x 35 days at 0. Wistar rat definition of wistar rat by medical dictionary. Effects of shortterm pancreatic duct obstruction in rats. Male wistar rats 250400 g, male c57bl6 mice 30 g, andmaletask1knockoutkomice30gwereusedin theexperiments.
Photomicrograph of a longitudinal section of wistar rat skin from the control ra t not given fresh leaf extract of calotropis procer a observe the dermis d, a layer of dense fibroelastic tissue with numerous hairfollicles. Thus, overactivity of the hpa system may have blunted the rewarding and locomotor effects of nicotine in wky rats, as observed in the present report. Soda pdf merge tool allows you to combine two or more documents into a single pdf file for free. The common domestic rat, which is found worldwide and is a destructive pest of crops and stored food and a carrier of disease. Tested negative for bacteria, fungi, and mycoplasma. Wistar and sd rats were assigned for 2 experimental groups for 17 weeks. The wistar rat, wistar hannover wistar han rat, and wistar unilever wu rat are outbred rat strains, while the wistar kyoto and wistar furth rats are inbred strains. Rats were used in research for the first time more than 200 years ago to understand human physiology and medicine 200 years ago, the brown rat, rattus norvegicus, was first used by scientists to understand human physiology and medicine, with early studies concentrating on the effects of food and oxygen deprivation. Twentyfour male wistar rats were divided into two groups. It is suggested that further studies on the cardiovascular effects of sodium lactate in sh or wistar rats may shed further light on the mechanisms underlying the panicprovoking effect of lactate in panic disorder patients and on the mode of action of antipanic drugs. Therefore we studied whether wistar rats obtained from harlan laboratories ha, n 24 and charles river cr, n 22 had a different outcome in an acute myocardial infarction ami model. A new genetically obesehyperglycemic rat wistar fatty. Following the dosing period, the rats were observed for a period of 17 months, after which the surviving animals were sacrificed and necropsied.
In developing countries darkroom radiography is practiced and involves chemical processing of films using chemical substances known to be toxic when ingested or. Pdf cytogenetic effects of lambdacyhalothrin on wistar. Wistar kyoto and wistar rats differ in the affective and. Laboratory rats introduction origin and development. Henring research, 41 1989 5360 elsevier 53 heares 01247 cochlear blood flow autoregulation in wistar kyoto rats w. They are also used in immunology as models for infectious diseases and autoimmune responses. Metabolic syndrome can be caused by modification of diet by means of consumption of high carbohydrate and high fat diet such as fructose. Wistar institute in philadelphia, giving rise to the ubiquitous presentday wistar strain of rats festing, 1979. The final study was performed to determine the carcinogenic potential of rotenone delivered by oral gavage. Dietary apple polyphenols increase skeletal muscle capillaries in wistar rats article pdf available in physiological reports 618 september 2018 with 52 reads how we measure reads. Cochlear blood flow autoregulation in wistarkyoto rats. Garcialopez p1, perezurizar j, ibarra a, grijalva i, madrazo i, floresmurrieta f, castanedahernandez g, guizarsahagun g. A statistical analysis of these observations involved 3,400 wistar rats that served as controls in toxicity studies. Melioration of fertility in high fat diet induced obese.
The results have been recorded on synoptic charts, which provide frequency distributions, cumulative distributions and variations according to the time of observation, the sex and the age of the rats. Toxicopathology of paraquat herbicide in female wistar rats author. Efosa g ewere1,2, ngozi p okolie2, gerald i eze3, deborah a jegede1 1department of biochemistry, university of uyo, uyo, nigeria 2department of biochemistry, university of benin, benin, nigeria 3department of anatomy, university of benin, nigeria abstract arsenic has been reported to contaminate groundwater and. The wistar rat is an outbred stock, used in all fields of medical and biological research. Nutritional studies on rats fed diets formulated from. There were no dietary factors identified to account for the high incidence of pancreatic proliferative lesions in the present bioassay. Wistar rat splenocytes can be used for a wide variety of immunologybased applications. Are there differences between spraguedawley and wistar. Permeability and distribution of nerve growth factor in the. Pdf combining quantitative and qualitative data in the study of. Nitric oxide induces gelatinase a matrix metalloproteinase 2.
Dawley from a hybrid hooded male and a female wistar rat. Ectopic ucp1 overexpression in white adipose tissue. For scientific research, male wistar rats rattus norvegicus with an average weight of about 3540 g and 4 to 5 weeks of age were purchased from the animal house laboratory, jahangirnagar university, dhaka, bangladesh. The fa gene was transferred from the zucker rat m strain to the wistar kyoto wky rat. Nephroprotective effect of sonchus oleraceus extract. Evaluation of acute and subacute toxicity of pinus. A laboratory rat or lab rat is a rat of the species rattus norvegicus domestica which is bred and kept for scientific research. However, the application of optogenetics in rats has been hindered because of the limited number of established transgenic rat strains. The wistar bloodline has contributed more strains of rats than any other line. In 1960, okamoto at kyoto university selected wistar rats based on the expression of spontaneous hypertension. Irvingia gabonensis leaves mitigate arsenicinduced renal toxicity in wistar rats.
Albino and hooded or piebald rats are one of the most frequently used laboratory animals for the. Aoues 2 1 departement of biotechnology, facult y of sciences, university of mostaganem 27000, algeria. Vaginal smears prior treatment and during treatment contained epithelial cells consistent with the different phases of estrus in the wistar rat and provided a cyclical pattern indicating that spondias mombin had no negative effect on the estrous cycle of the wistar rat. The establishment of metabolic syndrome model by induction. Medical images play significant roles in the diagnosis and management of patients. Pdf the effects of cyfluthrin on some biomarkers in the. Rodents have been used extensively in virtually all fields of biomedical research and have been the primary species used in toxicologic and carcinogenic research. Pdf hepatic cells and enzymes reactions in wistar rats. However, a direct comparison between wistar and spraguedawley sd rat as models of highfat hf dietinduced obesity has not been adequately evaluated so far.
All structured data from the file and property namespaces is available under the creative commons cc0 license. Response of creatine kinase ck levels in diabetics wistar rats after acute physical exercise. Pdf dietary apple polyphenols increase skeletal muscle. Sep 09, 2012 for example, laboratory rats have smaller adrenals and preputial glands, earlier sexual maturity, no reproductive cycle seasonability, better fecundity and a shorter lifespan than their freeranging wild counterparts. Hepatotoxicity and ultra structural changes in wistar rats. Wistar rats al robai et al, 1993a observed lipolytic effect on the subcutaneous tissue plate 1. The effects of cyfluthrin on some biomarkers in the liver and kidney of wistar rats article pdf available in environmental science and pollution research 226 october 2014 with 155 reads. Evaluation of acute and subacute toxicity of pinus eldarica bark extract in wistar rats akram ghadirkhomi1, leila safaeian2, behzad zolfaghari3, mohammad reza agha ghazvini4, parisa rezaei5 1.
Depending on the parameters of your experiments, cells from wistar rats like wistar rat pbmcs may offer experimental advantages. The wistar rat is one of the two most routinelyused outbred albino rat strains in biomedical research. We also compared wistar rats preferences for stevia with the standard noncaloric sweetener saccharin, because. Toxic effect of lead on kidney function i n rat wistar f. Metabolic differences between sprague dawley and wistar. In conclusion, we show here that the hfd feeding to weaning wistar rats for 6monthsdeveloped a rat model for prediabetes that showed clinical presentation and pathophysiology of natural history of prediabetes that was found in human. Fetal and neonatal nicotine exposure in wistar rats causes. Targeted expression of stepfunction opsins in transgenic.
He later established wistar institute in philadelphia that will have a major role in the development of the rat as an important laboratory animal similar to the impact the jackson laboratory had on the development of the laboratory mouse. Wistar rat definition of wistar rat by the free dictionary. Proliferative exocrine pancreatic lesions in aged wistar rats. A group of 150 charles river wistar rats 75 of each sex were used in this study. A strain of albino rat developed at the wistar institute that has spread widely at other institutions. Pdf protective effect of spirulina platensis on cadmium. Miyajima hikari branch, drug safety evaluation laboratories, takeda chemical industries, ltd. Estrus was determined by vaginal smears, and mating was con. A humanized rat model of prediabetes by high fat diet. Over many years it has become obvious that some conditions and in particular some tumors in rodents have questionable relevance in humans. Henry h donaldson at the wistar institute in philadelphia.
Files are available under licenses specified on their description page. In f344n rats, exposure to pyridine resulted in wistar rats, pyridine exposure resulted. Agoreyo fo department of physiology, school of basic medical sciences, university of benin, benin city. Wistar rat adiposederived mesenchymal stem cells cyagen.
Pdf mobile phone usage and male infertility in wistar rats. They are commonly used in many fields of research, including oncology, aging, pharmacology, toxicology, and metabolismnutrition. Double arrows indicate merged alveoli resulting in airspace enlargement. Not all people looking for information on wistar rats are looking for information on lab rats in general, not to mention an image of a dissected one. The development of todays laboratory rat has been essentially an american initiative and the great majority of the strains of these animals that are presently in use throughout the scientific world have originated in the usa. Pdf male and female wistar rats differ in decisionmaking.
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