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Improvement of pregnancy rate by intrauterine administration of dexamethasone and recombinant human leukemia inhibitory factor at the time of embryo transfer in cattle
Sangho Roh, Se-Woong Kim, Yeon-Gil Jung, Jong-Im Park 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 4호 17 569-576 (8 pages)
0.05). Embryo transfer (ET) was performed with blastocysts (day 7). PGF2α levels of control recipient cows were significantly higher in the circulatory blood samples collected 60 min after ET than in samples collected 60 min before ET (p ＜ 0.005), and were decreased in cows injected with loading medium supplemented with Dex+rhLIF (p ＜ 0.005). Pregnancy rate was significantly higher in the ET group that received supplemented embryo-loading medium than in the non-supplemented control... -
Laparoscopy vs. laparotomy for embryo transfer to produce transgenic goats (Capra hircus)
Sang Tae Shin, *, Sung Keun Jang, Hong Suk Yang, Ok Keun Lee, Yhong Hee Shim, Won Il Choi, Doo Soo Lee, Gwan Sun Lee, Jong Ki Cho 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 1호 14 103-107 (5 pages)
This study was performed to produce transgenic Korean native goat (Capra hircus) by laparoscopic embryo transfer (ET) to overcome the limitations of ET performed by laparotomy. Transgenic embryos were produced by DNA pronuclear microinjection of in vivo zygotes. The recipient goats were synchronized for estrus by using an introvaginal progesterone devices as a controlled internal drugreleasing insert (CIDR) for 13 days and injection of 400 IU PMSG 48 h before removal of the insert. Embryos were... -
In vitro treatment of lipopolysaccharide increases invasion of Pasteurella multocida serotype B:2 into bovine aortic endothelial cells
Seng Kar Yap, Zunita Zakaria, Siti Sarah Othman, Abdul Rahman Omar 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 2호 7 207-215 (9 pages)
Pasteurella multocida serotype B:2 causes hemorrhagic septicemia in cattle and buffalo. The invasion mechanism of the bacterium when invading the bloodstream is unclear. This study aimed to characterize the effects of immunomodulatory molecules, namely dexamethasone and lipopolysaccharide, on the invasion efficiency of P. multocida serotype B:2 toward bovine aortic endothelial cells (BAECs) and the involvement of actin microfilaments in the invasion mechanism. The results imply that treatment of... -
Tibial dyschondroplasia is closely related to suppression of expression of hypoxia-inducible factors 1α, 2α, and 3α in chickens
Shucheng Huang, Mujeeb U. Rehman, Gang Qiu, Houqiang Luo, Muhammad K. Iqbal, Hui Zhang, Khalid Mehmood, Jiakui Li 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 1호 14 107-115 (9 pages)
Tibial dyschondroplasia (TD) cases has not been reported in Tibetan chickens (TBCs), but it is commonly seen in commercial broilers characterized by lameness. The underlying mechanism remains unclear. Hypoxia-inducible factors (HIFs) are important regulators of cellular adaptation to hypoxic conditions. In this study, we investigated the role of HIF-1α, -2α, and -3α in hypoxia and thiram-induced TD and their effect on tibial growth plate development in Arbor Acres chickens (AACs) and TBCs.... -
Coactosin-like protein 1 inhibits neuronal migration during mouse corticogenesis
Guohong Li, Yupeng Yin, Jiong Chen, Yanle Fan, Juhong Ma, Yingxue Huang, Chen Chen, Pengxiu Dai, Shulin Chen, Shanting Zhao 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 1호 4 21-26 (6 pages)
Coactosin-like protein 1 (Cotl1), a member of the actin-depolymerizing factor (ADF)/cofilin family, was first purified from a soluble fraction of Dictyostelium discoideum cells. Neuronal migration requires cytoskeletal remodeling and actin regulation. Although Cotl1 strongly binds to F-actin, the role of Cotl1 in neuronal migration remains undescribed. In this study, we revealed that Cotl1 overexpression impaired migrationof both early- and late-born neurons during mouse corticogenesis.... -
Chicken RNA-binding protein T-cell internal antigen-1 contributes to stress granule formation in chicken cells and tissues
Yingjie Sun, Pin Zhang, Hang Zheng, Luna Dong, Lei Tan, Cuiping Song, Xusheng Qiu, Ying Liao, Chunchun Meng, Shengqing Yu, Chan 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2018, 제 19권 제 1호 2 3-12 (10 pages)
T-cell internal antigen-1 (TIA-1) has roles in regulating alternative pre-mRNA splicing, mRNA translation, and stress granule (SG) formation in human cells. As an evolutionarily conserved response to environmental stress, SGs have been reported in various species. However, SG formation in chicken cells and the role of chicken TIA-1 (cTIA-1) in SG assembly has not been elucidated. In the present study, we cloned cTIA-1 and showed that it facilitates the assembly of canonical SGs in both human and... -
Reactive oxygen species-mediated unfolded protein response pathways in preimplantation embryos
Ihsan Ali, Syed Zahid Ali Shah, Yi Jin, Zhong-Shu Li, Obaid Ullah, Nan-Zhu Fang 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 1호 1 1-9 (9 pages)
factors including ROS. Such stress leads to activation of the adaptive unfolded protein response (UPR), which restores homeostasis. However, chronic stress can exceed the toleration level of the ER, resulting in cellular apoptosis. In this review, we briefly describe the generation and impact of ROS in preimplantation embryo development, the ROS-mediated activation mechanism of the UPR via the ER, and the subsequent activation of signaling pathways following ER stress in preimplantation embryos. -
Establishment of hydrochloric acid/lipopolysaccharide-induced pelvic inflammatory disease model
Yeonsu Oh, Jaehun Lee, Hyeon-Cheol Kim, Tae-Wook Hahn, Byung-Il Yoon, Jeong-Hee Han, Yong-Soo Kwon, Joung Jun Park, Deog-Bon Koo 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 3호 20 413-419 (7 pages)
Pelvic inflammatory disease (PID), which is one of the most problematic complications experienced by women with sexually transmitted diseases, frequently causes secondary infections after reproductive abnormalities in veterinary animals. Although the uterus is self-protective, it becomes fragile during periods or pregnancy. To investigate PID, bacteria or lipopolysaccharide (LPS) extracted from gram negative bacteria has been used to induce the disease in several animal models. However, when LPS... -
Downregulation of cellular prion protein inhibited the proliferation and invasion and induced apoptosis of Marek’s disease virus-transformed avian T cells
Xuerui Wan, Runxia Yang, Guilin Liu, Manling Zhu, Tianliang Zhang, Lei Liu, Run Wu* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2016, 제 17권 제 2호 6 171-178 (8 pages)
Cellular prion protein (PrP) is ubiquitously expressed in the cytomembrane of a considerable number of eukaryotic cells. Although several studies have investigated the functions of PrP in cell proliferation, cell apoptosis, and tumorigenesis of mammals, the correlated functions of chicken PrP (chPrP) remain unknown. In this study, stable chPrP-downregulated Marek’s disease (MD) virus-transformed avian T cells (MSB1-SiRNA-3) were established by introducing short interfering RNA (SiRNA) targeting... -
Serum IGFBP4 concentration decreased in dairy heifers towards day 18 of pregnancy
Marie M Meyerholz, Kirsten Mense, Michael Lietzau, Ana Kassens, Matthias Linden, Hendrike Knaack, Elisa Wirthgen, Andreas Hoefli 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 4호 4 413-421 (9 pages)
n = 10 after embryo transfer) were obtained on the day of ovulation (day 0), as well as on days 7, 14, 16 and 18 and during pregnant, non-pregnant and negative control cycles. The concentrations of progesterone (P4), oestrogen, growth hormone (GH), insulin-like growth factor-1 and -2 (IGF1, -2) and IGF-binding protein-2, -3 and -4 (IGFBP2, -3, -4) were measured. The mRNA expressions of growth hormone receptor 1A, IGF1, IGF2, IGFBP2, IGFBP3 and IGFBP4 were detected using RT-qPCR in liver biopsy... -
Feasibility of utilizing the patellar ligament angle for assessing cranial cruciate ligament rupture in dogs
Jung-ha Lee, Soon-wuk Jeong 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 4호 8 563-568 (6 pages)
The patellar ligament angle (PLA) was assessed in 105 normal stifle joints of 79 dogs and 33 stifle joints of 26 dogs with a ruptured cranial cruciate ligament (CrCL). The PLA of stifles with complete CrCL rupture was significantly lower than that of normal stifles, particularly at a flexion angle of 60∼80o in both plain and stress views. If the PLA was ＜90.55o on the stress view with a 60∼80o flexion angle, the dog was diagnosed with a complete rupture of the CrCL with a sensitivity of 83.9%... -
Stanniocalcin-1 protects bovine intestinal epithelial cells from oxidative stress-induced damage
Li-ming Wu, Rui Guo, Lin Hui, Yong-gang Ye, Jing-mei Xiang, Chun-yun Wan, Miao Zou, Rui Ma, Xiao-zhuan Sun, Shi-jin Yang, Ding-z 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 4호 3 475-483 (9 pages)
Chronic enteritis can produce an excess of reactive oxygen species resulting in cellular damage. Stanniocalcin-1(STC-1) reportedly possesses anti-oxidative activity, the aim of this study was to define more clearly the direct contribution of STC-1 to anti-oxidative stress in cattle. In this study, primary intestinal epithelial cells (IECs) were exposed to hydrogen peroxide (H2O2) for different time intervals to mimic chronic enteritis-induced cellular damage. Prior to treatment with 200 μM... -
Inhibitory effects of osteoprotegerin on osteoclast formation and function under serum-free conditions
Ying-Xiao Fu, Jian-Hong Gu, Yi-Ran Zhang, Xi-Shuai Tong, Hong-Yan Zhao, Yan Yuan, Xue-Zhong Liu, Jian-Chun Bian, Zong-Ping Liu 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 4호 5 405-412 (8 pages)
The purpose of this study was to determine whether osteoprotegerin (OPG) could affect osteoclat differentiation and activation under serum-free conditions. Both duck embryo bone marrow cells and RAW264.7 cells were incubated with macrophage colony stimulatory factor (M-CSF) and receptor activator for nuclear factor κB ligand (RANKL) in serum-free medium to promote osteoclastogenesis. During cultivation, 0, 10, 20, 50, and 100 ng/mL OPG were added to various groups of cells. Osteoclast... -
Expression of E-cadherin in pig kidney
Su-Youn Lee, Sun M. Han, Ji-Eun Kim, Ku-Yong Chung, Ki-Hwan Han 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 4호 2 381-386 (6 pages)
E-cadherin is a cell adhesion molecule that plays an important role in maintaining renal epithelial polarity and integrity. The purpose of this study was to determine the exact cellular localization of E-cadherin in pig kidney. Kidney tissues from pigs were processed for light and electron microscopy immunocytochemistry, and immunoblot analysis. E-cadhedrin bands of the same size were detected by immunoblot of samples from rat and pig kidneys. In pig kidney, strong E-cadherin expression was... -
Development of in vitro produced porcine embryos according to serum types as macromolecule
Jungmin Son, Don Buddika Oshadi Malaweera, Eunsong Lee, Sangtae Shin, Jongki Cho 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 11 315-321 (7 pages)
This study was conducted to establish an in vitro maturation (IVM) system by selection of efficient porcine serum during porcine in vitro production. To investigate the efficient porcine serum (PS), different types of PS [newborn pig serum, prepubertal gilt serum (PGS), estrus sow serum, and pregnancy sow serum] were used to supplement IVM media with or without gonadotrophin (GTH) and development rates of parthenogenetic activation (PA) and in vitro fertilization (IVF) embryos were then... -
Expression of verocytotoxic Escherichia coli antigens in tobacco seeds and evaluation of gut immunity after oral administration in mouse model
Luciana Rossi, Alessia Di Giancamillo, Serena Reggi, Cinzia Domeneghini, Antonella Baldi, Vittorio Sala, Vittorio Dell'Orto, Ann 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 5 263-270 (8 pages)
Verocytotoxic Escherichia (E.) coli strains are responsible for swine oedema disease, which is an enterotoxaemia that causes economic losses in the pig industry. The production of a vaccine for oral administration in transgenic seeds could be an efficient system to stimulate local immunity. This study was conducted to transform tobacco plants for the seed-specific expression of antigenic proteins from a porcine verocytotoxic E. coli strain. Parameters related to an immunological response and... -
Mitochondrial and DNA damage in bovine somatic cell nuclear transfer embryos
In-Sun Hwang, Hyo-Kyung Bae, Hee-Tae Cheong 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 3호 1 235-240 (6 pages)
(44.6 ± 1.2 pixels/embryo) of SCNT embryos were significantly higher than those of IVF embryos (19.2 ± 1.5 and 23.8 ± 1.8 pixels/embryo, respectively, p ＜ 0.05). The mitochondria morphology of SCNT embryos was diffused within the cytoplasm. The ΔΨ of SCNT embryos was significantly lower (p ＜ 0.05) than that of IVF embryos (0.95 ± 0.04 vs. 1.21 ± 0.06, red/green). Moreover, the comet tail length of SCNT embryos was longer than that of IVF embryos (515.5 ± 26.4 μm vs. 425.6 ± 25.0 μm,... -
Improved assessment of frozen/thawed mouse spermatozoa using fluorescence microscopy
Ann-Kathrin Diercks, Heinrich F. B?rgers, Anna Schwab, Johannes Schenkel* 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 3호 14 315-322 (8 pages)
followed by embryo transfer were replaced with animal-free techniques. Major factors for assessing spermatozoa quality (i.e., density, viability, motility, and morphology) were evaluated by fluorescence microscopy. For this, a live/dead cell staining protocol requiring only small amounts of material was created. Membrane integrity was then examined as major parameter closely correlated with successful IVF. These complex analyses allow us to monitor frozen/thawed spermatozoa from GM mice using a... -
Cloning and characterization of a selenium-independent glutathione peroxidase (HC29) from adult Haemonchus contortus
Wei Sun, Xiaokai Song, Ruofeng Yan, Lixin Xu, Xiangrui Li* 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2012, 제 13권 제 1호 8 49-58 (10 pages)
The complete coding sequence of Haemonchus (H.) contortus HC29 cDNA was generated by rapid amplification of cDNA ends in combination with PCR using primers targeting the 5´- and 3´-ends of the partial mRNA sequence. The cloned HC29 cDNA was shown to be 1,113 bp in size with an open reading frame of 507 bp, encoding a protein of 168 amino acid with a calculated molecular mass of 18.9 kDa. Amino acid sequence analysis revealed that the cloned HC29 cDNA contained the conserved catalytic triad and... -
Expression and regulation of Enpp2 in rat uterus during the estrous cycle
Hyo-Jin Ahn, Hyun Yang, Beum-Soo An, Kyung-Chul Choi, Eui-Bae Jeung* 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 4호 11 379-385 (7 pages)
Ectonucleotide pyrophosphatase/phosphodiestrase 2 (Enpp2) isolated from the supernatant of human melanoma cells is a lysophospholipase D that transforms lysophosphatidylcholine into lysophospatidic acid. Although multiple analyses have investigated the function of Enpp2 in the hypothalamus, its role in the uterus during the estrous cycle is not well understood. In the present study, rat uterine Enpp2 was analyzed by RT-PCR, Western blotting, and immunohistochemistry. Quantitative PCR analysis... -
Dynamic analysis of Ca level during bovine oocytes maturation and early embryonic development
Su Li Liang, Qian Jun Zhao, Xiang Chen Li, Ya Ping Jin, Yi Peng Wang, Xiao Hua Su, Wei Jun Guan, Yue Hui Ma 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 2호 5 133-142 (10 pages)
Mammalian oocyte maturation and early embryo development processes are Ca-dependent. In this study, we used confocal microscopy to investigate the distribution pattern of Ca and its dynamic changes in the processes of bovine oocytes maturation, in vitro fertilization (IVF), parthenogenetic activation (PA) and somatic cell nuclear transfer (SCNT) embryo development. During the germinal vesicle (GV) and GV breakdown stage, Ca was distributed in the cortical ooplasm and throughout the oocytes from... -
Cloned calves derived from somatic cell nuclear transfer embryos cultured in chemically defined medium or modified synthetic oviduct fluid
Goo Jang*, So Gun Hong, Byeong Chun Lee* 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 1호 12 83-89 (7 pages)
Somatic cell nuclear transfer (SCNT) is considered to be a critical tool for propagating valuable animals. To determine the productivity calves resulting from embryos derived with different culture media, enucleated oocytes matured in vitro were reconstructed with fetal fibroblasts, fused, and activated. The cloned embryos were cultured in modified synthetic oviduct fluid (mSOF) or a chemically defined medium (CDM) and developmental competence was monitored. After 7 days of culturing, the... -
Microtubule distribution in somatic cell nuclear transfer bovine embryos following control of nuclear remodeling type
Dae-Jin Kwon, Yu-Mi Lee, In-Sun Hwang, Choon-Keun Park, Boo-Keun Yang, Hee-Tae Cheong 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 2호 1 93-101 (9 pages)
This study was conducted to evaluate the microtubule distribution following control of nuclear remodeling by treatment of bovine somatic cell nuclear transfer (SCNT) embryos with caffeine or roscovitine. Bovine somatic cells were fused to enucleated oocytes treated with either 5 mM caffeine or 150 mM roscovitine to control the type of nuclear remodeling. The proportion of embryos that underwent premature chromosome condensation (PCC) was increased by caffeine treatment but was reduced by... -
Transcriptional and translational expression of calbindin-D9k in the duodenum, kidney and uterus of a female canine model
Ji-Young Sim, Eui-Man Jung, Yeong-Min Yoo, Kyung-Chul Choi*, Eui-Bae Jeung 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 1호 3 15-19 (5 pages)
Calbindin-D9k (CaBP-9k) is a cytosolic calcium-binding protein expressed in tissues in the intestine, uterus, placenta, kidney, pituitary gland and bone. Its exact function is unknown, but it is considered to regulate intracytoplasmic concentration and transport of free ions (Ca2+). CaBP-9k protein is involved in intestinal calcium absorption in the intestine and in the regulation of myometrial activity by intracellular calcium in the uterus. Renal CaBP-9k protein is expressed at the site of... -
Production of cloned sei whale (Balaenoptera borealis) embryos by interspecies somatic cell nuclear transfer using enucleated pig oocytes
Eunsong Lee, Mohammad Musharraf Uddin Bhuiyan, Hiroyuki Watanabe, Kohji Matsuoka, Yoshihiro Fujise, Hajime Ishikawa, Yutaka Fuku 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 4호 2 285-292 (8 pages)
In this study, we examined the feasibility of using subzonal cell injection with electrofusion for interspecies somatic cell nuclear transfer (iSCNT) to produce sei whale embryos and to improve their developmental capacity by investigating the effect of osmolarity and macromolecules in the culture medium on the in vitro developmental capacity. Hybrid embryos produced by the electrofusion of fetal whale fibroblasts with enucleated porcine oocytes were cultured in modified porcine zygote medium-3... -
A comparative study of Sephadex, glass wool and Percoll separation techniques on sperm quality and IVF results for cryopreserved bovine semen
Hae-Lee Lee, Sue-Hee Kim, Dong-Beom Ji, Yong-Jun Kim* 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 3호 11 249-255 (7 pages)
significantly greater number of cleaved embryos produced by glass wool filtration developed to blastocyst stage than those produced by Percoll separation (p ＜ 0.05). These results indicate that spermatozoa with good quality can be achieved by these three separation techniques and can be used for bovine IVF. In particular, it suggests that glass wool filtration would be the most effective method of the three for improving sperm quality and embryo production for cryopreserved bovine spermatozoa. -
Isolation and characterization of canine umbilical cord blood-derived mesenchymal stem cells
Min-Soo Seo, Yun-Hyeok Jeong, Jeung-Ran Park, Sang-Bum Park, Kyoung-Hwan Rho, Hyung-Sik Kim, Kyung-Rok Yu, Seung-Hee Lee, Ji-Won 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 3호 2 181-187 (7 pages)
Human umbilical cord blood-derived mesenchymal stem cells (MSCs) are known to possess the potential for multiple differentiations abilities in vitro and in vivo. In canine system, studying stem cell therapy is important, but so far, stem cells from canine were not identified and characterized. In this study, we successfully isolated and characterized MSCs from the canine umbilical cord and its fetal blood. Canine MSCs (cMSCs) were grown in medium containing low glucose DMEM with 20% FBS. The... -
Post-thaw development of in vitro produced buffalo embryos cryopreserved by cytoskeletal stabilization and vitrification
B. M. Manjunatha*, J. P. Ravindra, P. S. P. Gupta, M. Devaraj, T. G. Honnappa, A. Krishnaswamy 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 2호 9 153-156 (4 pages)
The present study was conducted to examine post-thaw in vitro developmental competence of buffalo embryos cryopreserved by cytoskeletal stabilization and vitrification. In vitro produced embryos were incubated with a medium containing cytochalasin-b (cyto-b) in a CO2 incubator for 40 min for microfilament stabilization and were cryopreserved by a two-step vitrification method at 24C in the presence of cyto-b. Initially, the embryos were exposed to 10% ethylene glycol (EG) and 10%... -
Immunohistochemical identification and quantitative analysis of cytoplasmic Cu/Zn superoxide dismutase in mouse organogenesis
Jung-Min Yon, In-Jeoung Baek, Se-Ra Lee, Mi-Ra Kim, Beom Jun Lee, Young Won Yun, Sang-Yoon Nam 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2008, 제 9권 제 3호 2 233-240 (8 pages)
Cytoplasmic Cu/Zn superoxide dismutase (SOD1) is an antioxidant enzyme that converts superoxide to hydrogen peroxide in cells. Its spatial distribution matches that of superoxide production, allowing it to protect cells from oxidative stress. SOD1 deficiencies result in embryonic lethality and a wide range of pathologies in mice, but little is known about normal SOD1 protein expression in developing embryos. In this study, the expression pattern of SOD1 was investigated in post-implantation... -
Autologous somatic cell nuclear transfer in pigs using recipient oocytes and donor cells from the same animal
Eunsong Lee*, Kilyoung Song 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 4호 15 415-422 (8 pages)
The objective of the present study was to examine the feasibility of the production of autologous porcine somatic cell nuclear transfer (SCNT) blastocysts using oocytes and donor cells from slaughtered ovaries. Therefore, we attempted to optimize autologous SCNT by examining the effects of electrical fusion conditions and donor cell type on cell fusion and the development of SCNT embryos. Four types of donor cells were used: 1) denuded cumulus cells (DCCs) collected from in vitro-matured (IVM)... -
Estrogen receptor independent neurotoxic mechanism of bisphenol A, an environmental estrogen
Yoot Mo Lee, Min Jae Seong, Jae Woong Lee, Yong Kyung Lee, Tae Myoung Kim, Sang-Yoon Nam, Dae Joong Kim, Young Won Yun, Tae Seon 대한수의학회 Journal of Veterinary Science 12 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 1호 5 27-38 (12 pages)
Bisphenol A (BPA), a ubiquitous environmental contaminant, has been shown to cause developmental toxicity and carcinogenic effects. BPA may have physiological activity through estrogen receptor (ER) -α and -β, which are expressed in the central nervous system. We previously found that exposure of BPA to immature mice resulted in behavioral alternation, suggesting that overexposure of BPA could be neurotoxic. In this study, we further investigated the molecular neurotoxic mechanisms of BPA. BPA... -
Comparative evaluation of phenobarbital-induced CYP3A and CYP2H1 gene expression by quantitative RT-PCR in Bantam, Bantamized White Leghorn and White Leghorn chicks
Harshad V. Goriya, Anil Kalia, Shailesh K. Bhavsar, Chaitanya G. Joshi, Dharamshibhai N. Rank, Aswin M. Thaker 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2005, 제 6권 제 4호 3 279-285 (7 pages)
The present work was to study induction of cytochrome P450 (CYP)3A and CYP2H1 gene by reverse transcriptase polymerase chain reaction (RT-PCR) and quantitative RTPCR in Bantam, Bantamized White Leghorn and White Leghorn chicks. Out of 18 chicks total 3 from each group (Bantam, Bantamized White Leghorn and White Leghorn) were treated intraperitoneal with phenobarbital at the dose rate of 12 mg/100 g (body weight) while the control group was treated with the saline. Total RNA was extracted from... -
Human embryonic stem cells and therapeutic cloning
Woo Suk Hwang, Byeong Chun Lee, Chang Kyu Lee, Sung Keun Kang 대한수의학회 Journal of Veterinary Science 10 Pages
대한수의학회 Journal of Veterinary Science 2005, 제 6권 제 2호 1 87-96 (10 pages)
The remarkable potential of embryonic stem (ES) cells is their ability to develop into many different cell types. ES cells make it possible to treat patients by transplanting specialized healthy cells derived from them to repair damaged and diseased cells or tissues, known as “stem cell therapy”. However, the issue of immunocompatibility is one of considerable significance in ES cell transplantation. One approach to overcome transplant rejection of human ES (hES) cells is to derive hES cells... -
Characterization and localization of the unique Marek's disease virus type 2 ORF873 gene product
Hyung-Kwan Jang 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2004, 제 5권 제 3호 4 207-213 (7 pages)
with rAcORF873, were prepared by immunizing mice with a recombinant fusion protein expressed in Escherichia coli. Immunoblot analyses with the antibodies revealed a major protein band with a molecular mass of 108-kDa in both MDV2-infected chick embryo fibroblasts (CEF) and rAcORF873- infected Sf9 cells. By indirect immunofluorescence analyses using monoclonal antibody, the authentic ORF873 protein was localized in the cytoplasm of MDV2- infected CEF cells. The monoclonal and polyclonal sera,... -
Immunohistochemical Localization of Nerve Growth Factor,Glial Fibrillary Acidic Protein and Ciliary Neurotrophic Factor in Mesencephalon, Rhombencephalon, and Spinal Cord of Developing Mongolian Gerbil
Il-Kwon Park, Kyoug-Youl Lee, Chi-Won Song, Hyo-Jung Kwon, Mi-Sun Park, Mi-Young Lee, Keun-Jwa Lee, Young-Gil Jeong, Chul-Ho Lee 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2002, 제 3권 제 3호 14 239-245 (7 pages)
The distribution of the nerve growth factor (NGF), the glial fibrillary acidic protein (GFAP) and the ciliary neurotrohic factor (CNTF) was performed in coronal sections of the mesencephalon, rhombencephalon and spinal cord in the developing Mongolian gerbils. Generally, NGF specifically recognizes neurons with the NGF receptor, whereas GFAP does the glia, and CNTF does the motor neurons. The receptor expression was examined separately in gerbils between embryonic days 15 (E15) and postnatal... -
Effect of IP3 and ryanodine treatments on the development of bovine parthenogenetic and reconstructed embryos
Gook-jun Ahn, Byeong-chun Lee, Woo-suk Hwang 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2001, 제 2권 제 2호 11 131-137 (7 pages)
For parthenogenetic activation as a model system of nuclear transfer, microinjection and electroporation as activation treatments in bovine metaphase II oocytes were administered to each of three groups as follows: control group (treatments with Ca2+, Mg2+ -free PBS+100 micro M EGTA), IP3 group (control+25 micro M IP3) and IP3+ ryanodine group (control+25 micro M IP3+10 mM ryanodine). In experiments using microinjection, no significant differences were observed between any of the developmental...
