자료유형
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전체 선택해제
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Analysis of Membrane Integrity and Mitochondrial Activity in Fresh and Cryopreserved Boar Sperm Using Flow Cytometry
Park. C. S., Li. Z. H., Sung. N. D., Jin. D. I., Cong. P. Q., Kim. E. S., Song. E. S., Yi. Y. J. 한국동물번식학회 Reproductive & developmental biology 5 Pages
한국동물번식학회 Reproductive & developmental biology 2005, Vol.29 No.4 253-257 (5 pages)
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Determination of angiotensin I-converting enzyme activity in equine blood: lack of agreement between methods of analysis
Maria Fernanda de M. Costa*, Adriana K. Carmona, Marcio F. M. Alves, Timothy M. Ryan, Helen M. Davies, Garry A. Anderson, Ron F. 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 1호 4 21-25 (5 pages)
enzyme (ACE) is a key regulator of blood pressure, electrolytes and fluid homeostasis through conversion of angiotensin I into angiotensin II. Recently, a genetic polymorphism of the ACE gene, which accounts for 47% of the variation of ACE activity in blood, has been advocated as a biomarker of athletic aptitude. Different methods of analysis and determination of ACE activity in plasma have been used in human and equine research without a consensus of a "gold standard" method. Different methods... -
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)
sperm quality and in-vitro fertilization (IVF) results for cryopreserved bovine semen. Sephadex, glass wool and Percoll 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... -
Testicular morphology and cauda epididymal sperm reserves of male rats exposed to Nigerian Qua Iboe Brent crude oil
I. Reginald Obidike, Igwebuike U. Maduabuchi, Shoyinka S.V. Olumuyiwa 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2007, 제 8권 제 1호 1 1-5 (5 pages)
for 4 weeks. Cauda epididymal sperm reserves and relative weights of the testes as well as histological features of the testes of rats that received the crude oil treatment were compared to those of control rats. The results described here showed a significant (p < 0.01) dosedependent reduction in the cauda epididymal sperm reserves of rats that received crude oil treatment relative to the control group. The morphology of testes of the crude oil-exposed rats was characterized by the presence of... -
Intracellular calcium-dependent regulation of the sperm-specific calcium-activated potassium channel, hSlo3, by the BKCa activator LDD175
TharakaDarshanaWijerathne, JihyunKim, DongkiYang, KyuPilLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 9 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2017, Vol.21 No.2 12 241-249 (9 pages)
to mediate the pHsensitive, sperm-specific K+ current KSper in mice, the molecular identity of this channel in human sperm remains controversial. In this study, we tested the classical BKCa activators, NS1619 and LDD175, on human Slo3, heterologously expressed in HEK293 cells together with its functional interacting γ2 subunit, hLRRC52. As previously reported, Slo3 K+ current was unaffected by iberiotoxin or 4-aminopyridine, but was inhibited by ~50% by 20 mM TEA. Extracellular alkalinization... -
A Simple and Accurate Method for Determining Antioxidative Activity
JinWooBaeMooHongLee 대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 4 Pages
대한생리학회-대한약리학회 The Korean Journal of Physiology & Pharmacology 2003, Vol.7 No.5 5 275-278 (4 pages)
Antioxidative activity is an important factor in inhibiting oxidative stress. The usual methods for determining antioxidative activity are time-consuming and cumbersome. They are also indirect processes that use biological material such as brain or liver microsome. This study therefore proposed a new method. Redoxpotential was determined using galvanic cell with or without the addition of various antioxidants or herbal extracts in zinc sulfate solution. The result was compared with the results... -
Protective Effects of Silymarin against the Toxicity of Bisphenol A (BPA) on Boar Sperm Quality
Jang. Hyun-Young, Kong. Hong-Sik, Choi. Byoung-Yang, Shin. Jong-Suh, Cheong. Hee-Tae, Kim. Jong-Tack, Park. In-Chul, Park. Choon-Keun, Y 한국수정란이식학회 韓國受精卵移植學會誌 7 Pages
한국수정란이식학회 韓國受精卵移植學會誌 2011, Vol.26 No.4 257-263 (7 pages)
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The Effect of Porcine Sperm Cytosolic Factor (SCF) on In Vitro Development of Porcine PA and NT Embryos
Shim. Joo-Hyun, Kim. Dong-Hoon, Ko. Yeoung-Gyu, Hwang. Seong-Soo, Oh. Keon-Bong, Yang. Boh-Suk, Jin. Dong-Il, Park. Jin-Ki, Im. Gi-Sun 한국동물번식학회 Reproductive & developmental biology 9 Pages
한국동물번식학회 Reproductive & developmental biology 2011, Vol.35 No.3 319-327 (9 pages)
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PDGF-C and PDGF α-Receptor in Mouse during Embryogenesis
In Shik Kim, Dong Choon Ahn, Byung Yong Park 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 319 508-509 (2 pages)
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Analysis of Rabies fluorescent antibody virus neutralization test (FAVN) Results from Dogs and Cats: Regarding PetQuarantine regulation change from 1 December 2012
Jeong Hwa So, Ju Yeon You, Young Wook Kim, Jin Kyoung Ha, Deok Ho Kang, Dae Gyun Kim 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 152 412-413 (2 pages)
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Holed Scapulae of a Siberian Roe Deer (Capreolus pygargus)
Jeoung Ha Sim, Jong Taek Kim, Hyun Jin Tae, Byung Yong Park, In Shik Kim, Dong-choon Ahn 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 206 321-322 (2 pages)
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Effects of Alcohol onTesticular Morphology and Function in the Rat
In Shik Kim, Hyun Jin Tae, Byung Yong Park, Dong Choon Ahn 대한수의학회 대한수의학회 학술대회발표집 1 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 205 321-321 (1 pages)
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Prevalence of severe fever with thrombocytopenia syndrome virus in ticks from Deogyusan National Park
Young Sun Jo, Jun Gu Kang, Jeong Byoung Chae, Yun Kyung Cho, Weon Hwa Jheong, Yong Kwan Kim, Ji Young Won, Joon Seok Chae 대한수의학회 대한수의학회 학술대회발표집 2 Pages
대한수의학회 대한수의학회 학술대회발표집 추계학술심포지움 130 280-281 (2 pages)
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Alginate encapsulation preserves the quality and fertilizing ability of Mediterranean Italian water buffalo (Bubalus bubalis) and Holstein Friesian (Bos taurus) spermatozoa after cryopreservation
Sara Perteghella, Alessandro Gaviraghi, Silvia Cenadelli, Valeria Bornaghi, Andrea Galli, Barbara Crivelli, Barbara Vigani, Dani 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2017, 제 18권 제 1호 11 81-88 (8 pages)
The use of artificial insemination (AI) in buffalo (Bubalus bubalis) is limited by poor ovarian activity during the hot season, seasonal qualitative patterns in semen, low resistance of sperm cells in the female tract, difficulties in estrus detection, and variable estrus duration. Although AI procedures are commonly used in bovine, use of AI has been limited in buffalo. In the zootechnical field, different studies have been conducted to develop techniques for improvement of fertilizing ability... -
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)
Excessive production of reactive oxygen species (ROS) and endoplasmic reticulum (ER) stress-mediated responses are critical to embryonic development in the challenging in vitro environment. ROS production increases during early embryonic development with the increase in protein requirements for cell survival and growth. The ER is a multifunctional cellular organelle responsible for protein folding, modification, and cellular homeostasis. ER stress is activated by a variety of factors including... -
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)
Bovine embryos (day 5) were cultured to day 10 with or without 100 ng/mL PGF2α in medium supplemented with control; 100 nM Dex; 1,000 U/mL recombinant human leukemia inhibitory factor (rhLIF); or Dex+rhLIF. Although the rates to development to the blastocyst were not significantly different among groups, the hatching rate after additional culture with Dex +/or rhLIF was significantly higher in all supplemented groups than the control (p ＜ 0.05). In the presence of PGF2α, the hatching rate was... -
Rapamycin treatment during in vitro maturation of oocytes improves embryonic development after parthenogenesis and somatic cell nuclear transfer in pigs
Joohyeong Lee, Jong-Im Park, Jung Im Yun, Yongjin Lee, Hwanyul Yong, Seung Tae Lee, Choon-Keun Park, Sang-Hwan Hyun, Geun-Shik L 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2015, 제 16권 제 3호 16 373-380 (8 pages)
This study was conducted to investigate the effects of rapamycin treatment during in vitro maturation (IVM) on oocyte maturation and embryonic development after parthenogenetic activation (PA) and somatic cell nuclear transfer (SCNT) in pigs. Morphologically good (MGCOCs) and poor oocytes (MPCOCs) were untreated or treated with 1 nM rapamycin during 0–22 h, 22–42 h, or 0–42 h of IVM. Rapamycin had no significant effects on nuclear maturation and blastocyst formation... -
Effects of progestagen exposure duration on estrus synchronization and conception rates of crossbreed ewes undergoing fixed time artificial insemination
Wanessa Blaschi, Paula A. Lunardelli, Luciana S.R. Marinho, Marilu C. Max, Gustavo M.G. Santos, Katia C. Silva-Santos, Fabiana A 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 3호 13 433-437 (5 pages)
Synchronization of estrus and ovulation are of paramount importance in modern livestock improvement programs. These methods are critical for assisted reproduction technologies, including artificial insemination and embryo transfer, that can increase productivity. In the current study, subcutaneous implants containing norgestomet were placed for long (14 days), medium (9 days), and short (5 days) periods of time in 70 crossbred ewes undergoing fixed-time artificial insemination. The resulting... -
Effect of superovulation on uterine and serum biochemical parameters and its potential association with transferable embryos in Holstein dairy cows
Hasina Santatriniaina Rasolomboahanginjatovo, Younès Chorfi*, Raynald Dupras, Louis Mills, Réjean Lefebvre 대한수의학회 Journal of Veterinary Science 9 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 2호 14 273-281 (9 pages)
The objective of this study was to determine the effects of superovulation (SOV) on serum and uterine biochemical parameters, uterine bacteriology and cytology and number of transferable embryos (TE). Dairy cows were placed on a Presynch/CIDR Synch protocol. The SOV group was superovulated, induced in estrus, and inseminated, whereas the control group was induced in estrus and inseminated without SOV. Uterine bacteriology and cytology and uterine and serum biochemical parameters were measured at... -
Use of aglepristone for the treatment of P4 induced insulin resistance in dogs
Enrico Bigliardi*, Carla Bresciani, Daniela Callegari, Francesco Di Ianni, Giorgio Morini, Enrico Parmigiani, Ezio Bianchi 대한수의학회 Journal of Veterinary Science 5 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 2호 13 267-271 (5 pages)
Insulin resistance (IR) in dogs is suspected when hyperglycemia is present despite administration of insulin doses greater than 1.0 to 1.5 UI/kg. IR is caused by increases in counter regulatory hormones concentrations (glucagon, glucocorticoids, catecholamines and growth hormone). This study was conducted to investigate the use of aglepristone (RU 46534), a P4 receptor antagonist, for the treatment of IR diabetes mellitus in bitches during the luteal phase. All animals were treated with porcine... -
Identification of abnormal gene expression in bovine transgenic somatic cell nuclear transfer embryos
Jongki Cho, Sungkeun Kang, Byeong Chun Lee* 대한수의학회 Journal of Veterinary Science 7 Pages
대한수의학회 Journal of Veterinary Science 2014, 제 15권 제 2호 8 225-231 (7 pages)
This study was conducted to investigate the expression of three genes related to early embryonic development in bovine transgenic cloned embryos. To accomplish this, development of bovine transgenic somatic cell nuclear transfer (SCNT) embryos was compared with non-transgenic embryos. Next, mRNA transcription of three specific genes (DNMT1, Hsp 70.1, and Mash2) related to early embryo development in transgenic SCNT embryos was compared between transgenic and non-transgenic SCNTs, parthenogenetic... -
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... -
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)
The generation of reactive oxygen species (ROS) and subsequent mitochondrial and DNA damage in bovine somatic cell nuclear transfer (SCNT) embryos were examined. Bovine enucleated oocytes were electrofused with donor cells and then activated by a combination of Ca-ionophore and 6-dimethylaminopurine culture. The H2O2 and ·OH radical levels, mitochondrial morphology and membrane potential (ΔΨ), and DNA fragmentation of SCNT and in vitro fertilized (IVF) embryos at the zygote stage were... -
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)
Quercetin is a plant-derived flavonoid found in fruits or vegetables that has antioxidant properties and acts as a free radical scavenger. We investigated the effects of quercetin on porcine oocyte nuclear maturation and embryonic development after parthenogenetic activation. We then evaluated the antioxidant activities of quercetin by measuring reactive oxygen species (ROS) levels in matured oocytes. Immature oocytes were untreated or treated with 1, 10, and 50 ug/mL quercetin during in vitro... -
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... -
In vitro maturation and fertilization of prepubertal and pubertal black Bengal goat oocytes
Momena Khatun, Mohammad Musharraf Uddin Bhuiyan, Jalal Uddin Ahmed, Aminul Haque, Mohammad Bozlur Rahman*, Mohammed Shamsuddin 대한수의학회 Journal of Veterinary Science 8 Pages
대한수의학회 Journal of Veterinary Science 2011, 제 12권 제 1호 11 75-82 (8 pages)
of pubertal goat oocytes did not differ between Percoll and swim-up sperm separation methods (36.7 ± 0.9% vs. 32.7 ± 1.3%, p ＞ 0.05). Furthermore, sperm capacitation by heparin alone or in combination with ionomycin did not lead to a significant increase in the normal fertilization rate (34.8 ± 1.7 vs. 32.2 ± 1.5%, respectively) in the oocytes of pubertal goats. In conclusion, the ovaries of pubertal black Bengal goats obtained from the slaughterhouse could be used for in vitro embryo... -
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...
