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Laboratory Animal Research

Yeseul Cha, Ja Young Jang, Young-Hwan Ban, Haiyu Guo, Kyungha Shin, Tae-Su Kim, Sung-Pyo Lee, Jieun Choi, Eun-Suk An, Da-Woom Seo, Jung-Min Yon, Ehn-Kyoung Choi, Yun-Bae Kim
Anti-atherosclerosis effects of perilla oil were investigated, in comparison with lovastatin, in rabbits fed a high-cholesterol diet (HCD). Hypercholesterolemia was induced in rabbits by feeding the HCD containing 0.5% cholesterol and 1% corn oil, and perilla oil (0.1 or 0.3%) was added to the diet containing 0.5% cholesterol for 10 weeks. HCD greatly increased blood total cholesterol and low-density lipoproteins, and caused thick atheromatous plaques, covering 74% of the aortic wall. Hyper-cholesterolemia also induced lipid accumulation in the liver and kidneys, leading to lipid peroxidation...
September 2016: Laboratory Animal Research
Du-San Back, Gee-Wook Shin, Mitchell Wendt, Gang-Joon Heo
Pet turtles are known as a source of Salmonella infection to humans when handled in captivity. Thirty four turtles purchased from pet shops and online markets in Korea were examined to determine whether the turtles and their environment were contaminated with Salmonella spp. Salmonella spp. were isolated from fecal samples of 17 turtles. These isolates were identified as S. enterica through 16S rRNA gene sequencing. The isolation rate of Salmonella spp. from the soil and water samples increased over time. We concluded that a high percentage of turtles being sold in pet shops were infected with Salmonella spp...
September 2016: Laboratory Animal Research
Ataroalsadat Mostafavinia, Abdodlah Amini, Seyed Kamran Ghorishi, Ramin Pouriran, Mohammad Bayat
The approach and novelty of this scientific work was to formulate the appropriate Streptozotocin (STZ) and Alloxan dosage in different routes of administration to imply minimum mortality rate and high incidence of diabetes mellitus (DM) in the rat experiment model. Rats were randomly divided into STZ, Alloxan and control groups. 1-Alloxan group was divided into two subgroups: intraperitoneal (ip) subgroups which received a single dose of, 140, 120, 100 and 80 mg/kg; and the subcutaneous (sc) subgroups which received a single dose of, 120, 110, 100, 90, and 80 mg/kg...
September 2016: Laboratory Animal Research
Seungho Choi, Jong-Kyu Woo, Yeong-Su Jang, Ju-Hee Kang, Jung-Eun Jang, Tae-Hoo Yi, Sang-Yong Park, Sun-Yeou Kim, Yeo-Sung Yoon, Seung Hyun Oh
Inflammatory bowel disease is a chronic inflammatory disorder occurring in the gastrointestinal track. However, the efficacy of current therapeutic strategies has been limited and accompanied by side effects. In order to eliminate the limitations, herbal medicines have recently been developed for treatment of IBD. Peuraria Lobata (Peuraria L.) is one of the traditional herbal medicines that have anti-inflammatory effects. Bioavailability of Peuraria L., which is rich in isoflavones, is lower than that of their fermented forms...
September 2016: Laboratory Animal Research
Mu-Jin Lee, Ho-Kyung Jung, Min-Suk Kim, Ji-Hun Jang, Mi-Ok Sim, Tea-Mook Kim, Ho Park, Byung-Kwan Ahn, Hyun-Woo Cho, Jung-Hee Cho, Won-Seok Jung, Jong-Choon Kim
Dendrobium moniliforme (L.) Sw., an herb of the Orchidaceae family, has long been used in traditional medicine to strengthen bones, nourish the stomach, and promote the production of bodily fluid. Recently, polysaccharides isolated from Dendrobium have been used in functional foods and nutraceutical products. A traditional method to process Dendrobium is to soak fresh stems in an ethanol solution, which is the most important factor to ensure high yields of aqueous-extractable polysaccharides. The present study was carried out to investigate the potential acute toxicity of D...
September 2016: Laboratory Animal Research
Joo Hye Sim, Won Kil Lee, Yun Seok Lee, Jin Seok Kang
The aim of this study was to examine the therapeutic potential of sulfasalazine and prednisolone in a mouse collagen antibody-induced arthritis (CAIA) model. Twenty-five male BALB/c mice were randomly divided into five groups: group 1 (G1): control, group 2 (G2): probe control, group 3 (G3): CAIA, group 4 (G4): CAIA+sulfasalazine (10 mg/kg, oral), and group 5 (G5): CAIA+prednisolone (100 mg/kg, oral). Fluorescence bioimaging was performed in vivo 24 and 48 h after treatment with a fluorescence probe (OsteoSense® 680 EX), and all mice were sacrificed...
September 2016: Laboratory Animal Research
Ja-Young Jang, Jingmei Cai, Jihyun Kim, Jangbeen Kyung, Dajeong Kim, Ehn-Kyoung Choi, Youngeun Kim, Kwang-Sei Kim, Dongsun Park, Hyun-Gu Kang, Yun-Bae Kim
[This retracts the article on p. 7 in vol. 29, PMID: 23573102.].
June 2016: Laboratory Animal Research
Hyo Young Jung, Dae Young Yoo, Young Kwang Jo, Geon A Kim, Jin Young Chung, Jung Hoon Choi, Goo Jang, In Koo Hwang
Descending of the testes is an important process for spermatogenesis and cryptorchidism is one of the most relevant genital defects in dogs. In a previous study, we observed abnormal morphology and proliferation of Sertoli cells in a cryptorchid testis. In the present study, we investigated the expression of estrogen and progesterone receptors in the normal and cryptorchid testis of a dog. Elective orchidectomy was performed on the dog's abdominal right testis (undescended, cryptorchid) and scrotal left testis (descended, normal)...
June 2016: Laboratory Animal Research
Sunhwa Hong, Yungho Chung, Won-Guk Kang, Okjin Kim
A 3-month-old male cat in the animal facility was presented for investigation of anorexia and occasional vomiting. We collected the specimens from gastroscopic biopsy and stool collection. The gastroscopic biopsy specimens were tested using a rapid urease test, CLO Helicobacter-detection kits. Stool specimens were gathered and evaluated using the commercially available SD Bioline H. pylori Ag kit according to the manufacturer's instructions. Genomic DNAs from gastroscopic biopsy and stool specimens of the cat were extracted and submitted to the consensus PCR to amplify Helicobacter rpoB gene...
June 2016: Laboratory Animal Research
Seung-Hyun Ryu, Jong-Hyung Park, Eui-Suk Jeong, Soo-Young Choi, Seung-Hoon Ham, Jin-Il Park, Hee-Yeon Jeon, Jun-Young Kim, Ran-Ji Yoo, Yong-Jin Lee, Sang-Keun Woo, Yang-Kyu Choi
Whereas increasing concerns about radiation exposure to nuclear disasters or side effects of anticancer radiotherapy, relatively little research for radiation damages or remedy has been done. The purpose of this study was to establish level of LD70/30 (a lethal dose for 70% of mice within 30 days) by total-body γ irradiation (TBI) in a mouse model. For this purpose, at first, 8-week-old male ICR and C57BL/6N mice from A and B companies were received high dose (10, 11, 12 Gy) TBI. After irradiation, the body weight and survival rate were monitored for 30 days consecutively...
June 2016: Laboratory Animal Research
Eun-Kyoung Koh, Woo-Bin Yun, Ji-Eun Kim, Sung-Hwa Song, Ji-Eun Sung, Hyun-Ah Lee, Eun-Ji Seo, Seung-Wan Jee, Chang-Joon Bae, Dae-Youn Hwang
To investigate the beneficial effects of diosgenin (DG) on the multiple types of brain damage induced by Aβ-42 peptides and neurotoxicants, alterations in the specific aspects of brain functions were measured in trimethyltin (TMT)-injected transgenic 2576 (TG) mice that had been pretreated with DG for 21 days. Multiple types of damage were successfully induced by Aβ-42 accumulation and TMT injection into the brains of TG mice. However, DG treatment significantly reduced the number of Aβ-stained plaques and dead cells in the granule cells layer of the dentate gyrus...
June 2016: Laboratory Animal Research
Dong-Jae Kim, Min-Jung Kang, Jin-A Choi, Dae-Seung Na, Jin-Beom Kim, Chun-Soo Na, Jong-Hwan Park
Helicobacter pylori colonizes the gastric mucosa of about half of the world's population, causing chronic gastritis and gastric cancer. An increasing emergence of antibiotic-resistant H. pylori arouses demand on alternative non-antibiotic-based therapies. In this study, we freshly prepared crude N-acetylneuraminic acid obtained from glycomacropeptide (G-NANA) of whey through a neuraminidase-mediated reaction and evaluated its antibacterial ability against H. pylori and H. felis. Overnight cultures of the H...
June 2016: Laboratory Animal Research
Tae-Hee Lee, Hyun-Kyung Song, Ja-Young Jang, Dong-Yoon Kim, Hyun-Kyung Park, Eun-A Choi, Beom-Seok Han
The aim of this study is to investigate the potential of anti-osteoarthritis effects on egg white-chalcanthite (EC), purple bamboo salts (PBS), and a mixture of EC and PBS (EC+PBS). EC is a mixture of egg white and pulverized chalcanthite. PBS has been widely used as one of functional foods in Korea and shows unique features compared with common salt. Osteoarthritis was induced by intra-articular injection of monosodium iodoacetate (MIA, 4mg/kg bw) in Sprague-Dawley (SD) rats. Test substances were administered once daily for 6 weeks at doses of 10 mg EC, EC+100 mg PBS, EC+200 mg PBS before and after MIA injection...
June 2016: Laboratory Animal Research
Joon-Woo Park, Mitchell Wendt, Gang-Joon Heo
The antibacterial activities of the essential oil of Eucalyptus globulus (EOEG) was determined against 7 fish pathogenic bacteria (Edwardsiella tarda, Streptococcus iniae, S. parauberis, Lactococcus garviae, Vibrio harveyi, V. ichthyoenteri and Photobacterium damselae) obtained from farmed olive flounder. The inhibitory activity was evaluated by three methods: Disc diffusion method, minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC). According to the disc diffusion test, as the concentration of EOEG (5-40 µg) rises, the inhibitory zone increases in size...
June 2016: Laboratory Animal Research
Hyun-Kyu Park, Jae-Woo Cho, Byoung-Seok Lee, Heejin Park, Ji-Seok Han, Mi-Jin Yang, Wan-Jung Im, Do-Yong Park, Woo-Jin Kim, Su-Cheol Han, Yong-Bum Kim
Nonhuman primates are increasingly used in biomedical research since they are highly homologous to humans compared to other rodent animals. However, there is limited reliable reference data of the clinical pathology parameters in cynomolgus monkeys, and in particular, only some coagulation and urinalysis parameters have been reported. Here, we reported the reference data of clinical chemical, hematological, blood coagulation, and urinalysis parameters in cynomolgus monkeys. The role of sex differences was analyzed and several parameters (including hematocrit, hemoglobin, red blood cell, blood urea nitrogen, total bilirubin, alkaline phosphatase, creatinine kinase, gamma-glutamyl tranferase, and lactate dehydrogenase) significantly differed between male and female subjects...
June 2016: Laboratory Animal Research
Eun-Mi Lee, Ah-Young Kim, Eun-Joo Lee, Kyu-Shik Jeong
A 19-month-old male German shepherd dog was presented with a hindlimb footpad mass. The mass was excised and histopathology was performed. Grossly, the cut section of the mass had multiple well-circumscribed nodules with a chalky appearance. Histopathologically, basophilic-stained calcium deposits of various sizes were distributed from dermis to subcutis, surrounded by epithelioid cells, multinucleated giant cells, and reactive fibroblasts. Myxoid metaplasia, calcium deposits in hair follicles, and psammoma-like bodies were also found...
March 2016: Laboratory Animal Research
Harry Jung, Hajin Nam, Jun-Gyo Suh
The C57BLKS/J-Lepr(db) mouse has a point mutation in the leptin receptor gene and is one of the most useful animal model for non-insulin dependent diabetes mellitus in human. Since the homozygote of C57BLKS/J-Lepr(db) mouse is infertile, detection of point mutation in the leptin receptor gene is important for efficient maintaining strains as well as mass production of homozygotes. To develop a rapid and efficient genotyping method for C57BLKS/J-Lepr(db) mouse, the tetra-primer amplification-refractory mutation system polymerase chain reaction (ARMS-PCR) was used...
March 2016: Laboratory Animal Research
Sunhwa Hong, Gi-Wook Oh, Won-Guk Kang, Okjin Kim
Anticoccidial effects of the Plantago asiatica extract (PAE) were evaluated in chickens following oral infection with Eimeria (E.) tenella. This study was conducted on the 3-day-old chickens (n=30). Those animals were divided with 3 groups; PAE 0.1% treated/infected (n=10), PAE untreated/infected (n=10) and non-infected control (n=10). Chickens were fed a standard diet supplemented with or without PAE for 1 week prior to infection with E. tenella (10,000 sporulated oocysts per chicken). The effects of PAE on E...
March 2016: Laboratory Animal Research
Sung Hwa Song, Ji Eun Kim, Jun Go, Eun Kyoung Koh, Ji Eun Sung, Hyun Ah Lee, Kyung Min Choi, Hae Deun Kim, Young Suk Jung, Kil Soo Kim, Dae Youn Hwang
Animal models for gastric ulcers produced by physical, pharmacological and surgical methods have been widely employed to evaluate therapeutic drugs and investigate the mechanism of action of this disease. ICR mice were selected to produce this model, even though several mice and rats have been widely used in studies of gastric ulcers. To compare the responses of ICR mice obtained from three different sources to gastric ulcer inducers, alterations in gastric injury, histopathological structure, and inflammation were measured in Korl:ICR (Korea NIFDS source), A:ICR (USA source) and B:ICR (Japan source) treated with three concentrations of ethanol (EtOH) (50, 70, and 90%) in 150 mM hydrochloric acid (HCl) solution...
March 2016: Laboratory Animal Research
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