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Survival of hypoxic human mesenchymal stem cells is enhanced by a positive feedback loop involving miR-210 and hypoxia-inducible factor 1
Woochul Chang, Chang Youn Lee, Jun-Hee Park, Moon-Seo Park, Lee-So Maeng, Chee Soon Yoon, Min Young Lee, Ki-Chul Hwang*, Yong-An 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 1호 10 69-76 (8 pages)
The use of mesenchymal stem cells (MSCs) has emerged as a potential new treatment for myocardial infarction. However, the poor viability of MSCs after transplantation critically limits the efficacy of this new strategy. The expression of microRNA-210 (miR-210) is induced by hypoxia and is important for cell survival under hypoxic conditions. Hypoxia increases the levels of hypoxia inducible factor-1 (HIF-1) protein and miR-210 in human MSCs (hMSCs). miR-210 positively regulates HIF-1a activity.... -
Protection of chickens against infectious bronchitis virus with a multivalent DNA vaccine and boosting with an inactivated vaccine
Fang Yan*, Yujun Zhao, Yongting Hu, Jianyang Qiu, Wenxin Lei, Wenhui Ji, Xuying Li, Qian Wu, Xiumin Shi, Zhong Li 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 1호 8 53-60 (8 pages)
protective rate up to 90% was observed in the pVAX1-16S1/M/N group. The serum antibody titers in the prime-boost birds were significantly higher than those of the multivalent DNA vaccine group (p ＜ 0.01) but not significantly different compared to the inactivated vaccine group at 49 days of age. Additionally, the prime-boost group also showed the highest level of IBV-specific cellular proliferation compared to the monovalent groups (p ＜ 0.01) but no significant difference was found compared to... -
Quercetin improves the in vitro development of porcine oocytes by decreasing reactive oxygen species levels
Jung-Taek Kang, Dae-Kee Kwon, Sol-Ji Park, Su-Jin Kim, Joon-Ho Moon, Ok-Jae Koo, Goo Jang, Byeong-Chun Lee* 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2013, 제 14권 제 1호 3 15-20 (6 pages)
(ROS) levels in matured oocytes. Immature oocytes were untreated or treated with 1, 10, and 50 ug/mL quercetin during in vitro maturation (IVM). Quercetin treatment did not improve oocyte nuclear maturation, but significantly higher blastocyst rates (p ＜ 0.05) of parthenogenetically activated oocytes were achieved when the IVM medium was supplemented with an adequate concentration of quercetin (1 ug/mL). However, cleavage rates and blastocyst cell numbers were not affected. Oocytes treated with... -
Transmission electron microscopy for characterization of acrosomal damage after Percoll gradient centrifugation of cryopreserved bovine spermatozoa
Letícia Z. Oliveira*, Vera F. M. Hossepian de Lima, Marcelo A. Levenhagen, Ricarda M. dos Santos, Terezinha I. Assumpç 대한수의학회 Journal of Veterinary Science 6 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 3호 10 267-272 (6 pages)
The objective of this study was to characterize acrosomal ultrastructure following discontinuous Percoll gradient centrifugation of cryopreserved bovine sperm. Semen was collected from six bulls of different breeds and three ejaculates per bull were evaluated. Frozen semen samples were thawed and the acrosomal region of sperm cells was evaluated by transmission electron microscopy (TEM) before (n = 18) and after (n = 18) Percoll centrifugation. The evaluation of 20 sperm heads from each of the... -
Influence of nitric oxide on in vitro growth, survival, steroidogenesis, and apoptosis of follicle stimulating hormone stimulated buffalo (Bubalus bubalis) preantral follicles
Pawan K. Dubey, Vrajesh Tripathi, Ram Pratap Singh, G. Taru Sharma* 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 3호 9 257-265 (9 pages)
However, a lower dose of SNP (10 M) significantly stimulated (p ＜ 0.05) the survival, growth, antrum formation, follicular oocyte maturation, and stimulated progesterone secretion compared to the control. A combination of SNP ＋ L-NAME promoted the inhibitor effect of SNP while a SNP ＋ Hb combination reversed this effect. Nitrate and nitrite concentrations in the culture medium increased (p ＜ 0.05) in a dose- dependent manner according to SNP concentration in the culture medium. At higher... -
Relationship between sperm quality traits and field-fertility of porcine semen
I. A. Tsakmakidis, A. G. Lymberopoulos, T. A. A. Khalifa 대한수의학회 Journal of Veterinary Science 4 Pages
대한수의학회 Journal of Veterinary Science 2010, 제 11권 제 2호 9 151-154 (4 pages)
at a private farm and aimed at examining the relationship between sperm quality traits and boar fertility in terms of farrowing rate and litter size. This experiment was done for 6 months. The semen samples were evaluated for subjective sperm motility and concentration. Ejaculates with at least 1 × 10 sperm/mL and 70% sperm progressive motility were extended with a commercial medium to 30 × 10 sperm/mL and used for artificial insemination (AI). AI dose was 100 mL semen containing 3 × 10... -
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)
gradient separation techniques were used for sperm separation and sperm motility, morphology and membrane integrity were evaluated before and after separation. Also, cleavage and blastocyst developmental rate were investigated after IVF with sperm recovered by each separation technique. The motility of samples obtained by the three separation techniques were greater compared to the control samples (p ＜ 0.05). The percentage of spermatozoa with intact plasma-membrane integrity, identified by... -
Role of protease inhibitors and acylation stimulating protein in the adipogenesis in 3T3-L1 cells
Mohamed Mohamed Soliman*, Yakut Abdel-Fattah El-Senosi, Maysara Mahmoud Salem, Omniya Mahmoud Abdel Hamid, Kimura Kazuhiro 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2009, 제 10권 제 3호 4 197-201 (5 pages)
with cell maturation. Addition of PI during adipocytes differentiation dose dependently and significantly (p ＜ 0.5) inhibited the degree of triglycerides (TG) accumulation. Moreover, presence of ASP (450 ng/mL) in media significantly (p ＜ 0.5) stimulated the degree of TG accumulation and there was additive stimulation for ASP when added with insulin (10 mg/mL). Finally, when ASP in different doses (Low, 16.7; Medium, 45 and High, 450 ng/mL) incubated with a dose of ×150 PI, ASP partially... -
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)
cyto-b-treated embryos did not differ significantly from those vitrified without cyto-b treatment. The hatching rates of morulae vitrified without cyto-b treatment was significantly lower than the non- vitrified control. However, the hatching rate of cyto-b- treated vitrified morulae did not differ significantly from the non-vitrified control. This study demonstrates that freezing of buffalo embryos by cytoskeletal stabilization and vitrification is a reliable method for long-term preservation.
