- A Study of Clinical Parameters Influencing Human Zona Pellucida Thickness
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Park HJ, Han HD, Hong M, Han SW, Chung IB, Lee YJ
- KMID: 2075563
- Korean J Obstet Gynecol.
- 1997 Oct;40(10):2130-2136.
The purpose of present study was to assess which parameters influence human oocyte zona pellucida(ZP). Zone pellucida thickness was evaluated in 124 oocytes of 16 cycles IVF-ET with intracytoplasmic sperm... -
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- Intactness of zona pellucida does not affect the secretion of a trypsin-like protease from mouse blastocyst
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Hwang SS, Lee EY, Chung YC, Yoon BK, Lee JH, Choi DS
- KMID: 965874
- J Korean Med Sci.
- 2000 Oct;15(5):529-532.
- doi: 10.3346/jkms.2000.15.5.529
Assisted hatching (AH), which is known to improve the hatching potential of mammalian embryos, has been used to increase the pregnancy rate in in vitro fertilization cycles. However, the effect... -
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- The Effects of Assisted Hatching (AB) According to the Indications
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Kim JS, Kang SH, Kwon YJ, Son IP, Choi KW, Kim SK, Chun HS, Lee JG, Lee SJ, Park JM
- KMID: 2304571
- Korean J Fertil Steril.
- 1998 Aug;25(2):123-128.
Implantation rates remain low following human in vitro fertilization (IVF). Suboptimal culture conditions may limit the ability of embryos to hatch as blastocysts, and artificial opening of the zona pellucida... -
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- Cryopreservation of Testicular Spermatozoa using Mouse Zona Pellucida in Intracytoplasmic Sperm Injection Program
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Suh TK, Jeon BG, Ryu EK, Lee ES, Ryoo ZY, Sohn SH, Moon JS, Kim KC
- KMID: 1531504
- Korean J Fertil Steril.
- 1997 Aug;24(2):187-192.
The survival rate and motility recovered after cryopreservation of testicular spermatozoa in testicular sperm extraction (TESE)-ICSl program is low. The purpose of this study was to assess the availability and... -
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- The effect of the site of laser zona opening on the complete hatching of mouse blastocysts and their cell numbers
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Sanmee U, Piromlertamorn W, Vutyavanich T
- KMID: 2352848
- Clin Exp Reprod Med.
- 2016 Sep;43(3):152-156.
- doi: 10.5653/cerm.2016.43.3.152
OBJECTIVE: We studied the effect of the site of laser zona opening on the complete hatching of mouse blastocysts and the cell numbers of the completely hatched blastocysts. METHODS: Mouse blastocysts... -
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- Binding of Lectins to the Zona Pellucida on Sperm-oocytes Interaction in the Pig
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Hwang IS, kim CI, Cheong HT, Yang BK, Park CK
- KMID: 1566251
- Korean J Fertil Steril.
- 2002 Sep;29(3):179-186.
OBJECTIVE: Lectins are cell-agglutinating and sugar specific proteins or glycoproteins of non-immune origin that precipitate glycoconjugates having saccharides of appropriate complementarity. Because of these properties, plant lectins have been used... -
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- The Mouse Embryo Culture System: Improving the Sensitivity for Use as a Quality Control Assay for Human in vitro Fertilization
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Song J, Yang NH, Kim DS, Park CS, Cho SJ
- KMID: 2075430
- Korean J Obstet Gynecol.
- 1998 Feb;41(2):489-493.
OBJECTIVES: To determine whether the mouse embryo culture system can be sensitized to provide improved differentiation of suboptimal culture media for in vitro fertilization. DESIGN: Mouse embryo development in media... -
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- Zona Hardening of Mouse Oocytes Undergone Meiotic Resumption In Vivo
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Kim JS, Kim HK, Park JM, Lee SJ, Lee JY, Kim MK
- KMID: 1930550
- Korean J Fertil Steril.
- 1997 Apr;24(1):1-11.
It is well known that the bona pellucidae of mouse oocytes become 'hardened' when they are allowed to mature in vitro in the absence of serum components. To see if... -
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- Outcomes of preimplantation genetic diagnosis using either zona drilling with acidified Tyrode's solution or partial zona dissection
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Kim HJ, Kim CH, Lee SM, Choe SA, Lee JY, Jee BC, Hwang D, Kim KC
- KMID: 2167510
- Clin Exp Reprod Med.
- 2012 Sep;39(3):118-124.
- doi: 10.5653/cerm.2012.39.3.118
OBJECTIVE: To review the outcomes of preimplantation genetic diagnosis (PGD) using zona drilling with acid Tyrode's solution (chemical zona pellucida drilling, chemical ZD) and those of partial zona dissection (PZD). METHODS:... -
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- FERTILIZATION
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Baik SH
- KMID: 2181628
- J Korean Androl Soc.
- 1982 Jan;1(1):73-79.
Fertilization is a process of the fusion of a sperm and an ovum. The process requires about 24 hours and with fertilixation embryonic life commences. Many critical events intervene between... -
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- Effect of laser-assisted multi-point zona thinning on development and hatching of cleavage embryos in mice
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Lee YS, Park MJ, Park SH, Koo JS, Moon HS, Joo BS
- KMID: 1879364
- Clin Exp Reprod Med.
- 2015 Jun;42(2):51-57.
- doi: 10.5653/cerm.2015.42.2.51
OBJECTIVE: This study aimed to examine the effect of laser-assisted zona thinning (LAZT) at one or four-points on the blastocyst formation and hatching process in mice with respect to female... -
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- Effect of Partial Laser Assisted Hatching on Mouse Embryos
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Kim DH, Kim MK, Lee HC, Ko DS, Park WI, Kwon HC, Lee HJ
- KMID: 1891264
- Korean J Fertil Steril.
- 2001 Jun;28(2):147-154.
OBJECTIVE: The present study was performed to investigate the efficiency of partial laser assisted hatching (p-LAH; lased 1/2 ZP width from ZP edge) on hatching of mouse blastocysts. METHODS: We used... -
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- The Effect of Uterine Environment during Peri-implantation Period on theUltrastructure of Zona Pellucida in Mouse Oocytes and Embryos
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Han S, Chung HS, Kang HG, Lee HJ, Gye MC, Kim SR, Kim MK
- KMID: 1891281
- Korean J Fertil Steril.
- 1999 Dec;26(3):345-354.
In the studies on the hatching mechanisms in mammals, many investigators focused on the embryonic intrinsic factor(s) in in vitro culture, but the uterine environment as the extrinsic factor(s) is... -
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- Efficiency of laser-assisted intracytoplasmic sperm injection in a human assisted reproductive techniques program
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Choi KH, Lee JH, Yang YH, Yoon TK, Lee DR, Lee WS
- KMID: 1973531
- Clin Exp Reprod Med.
- 2011 Sep;38(3):148-152.
- doi: 10.5653/cerm.2011.38.3.148
OBJECTIVE: Laser-assisted intracytoplasmic sperm injection (LA-ICSI), also known as micro-opening or thinning of the zona pellucida (ZP) prior to ICSI, may help to reduce mechanical damage to the oocyte during... -
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- Clinical assessment of the male fertility
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Khatun A, Rahman MS, Pang MG
- KMID: 2420171
- Obstet Gynecol Sci.
- 2018 Mar;61(2):179-191.
- doi: 10.5468/ogs.2018.61.2.179
The evaluation of infertility in males consists of physical examination and semen analyses. Standardized semen analyses depend on the descriptive analysis of sperm motility, morphology, and concentration, with a threshold... -
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- Comparative Study on Development of Mouse Embryos in Three Commercial Media and Hatching Rates of Mouse Embryos with/without Pronase
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Lee JH, Go HJ, Chae GJ, Lee KS, Kim JD
- KMID: 1979134
- Korean J Fertil Steril.
- 2001 Sep;28(3):235-246.
OBJECTIVE: The purpose of this present study was to compare mouse embryo development in 3 commercial media and hatching competence of mouse embryo with or without enzymatic treatment. METHODS: Collected 375... -
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- Effects of three-area laser-assisted zona thinning in 8-cell human embryos on pregnancy outcomes in vitro fertilization
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Jeong JE, Joo BS, Kim CW, Kim HG, Joo JK, Lee KS
- KMID: 2408573
- Clin Exp Reprod Med.
- 2018 Mar;45(1):25-30.
- doi: 10.5653/cerm.2018.45.1.25
OBJECTIVE: This study conducted a preliminary examination of the effects of three-area laser-assisted zona thinning (LAZT) during the cleavage stage of embryo development on the hatching process in human in... -
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- Follicular Atresia and Macrophages in the Porcine Ovary; Immunohistochemical and Transmission Electron Microscopic Study
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Kim WS, Han SR, Kim SI, Park CS
- KMID: 1566749
- Korean J Anat.
- 2004 Feb;37(1):9-18.
Apoptosis of granulosa cells leads follicular atresia and macrophages have an important role during the apoptotic process. However, the propagation of apoptosis within the follicle, the ways of elimination of... -
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- Human Amniotic Fluid Induces Spontaneous Hardening of the Zona Pellucida of Mouse Immature Oocytes During Maturation In Vitro
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Lee TH, Chun SS, Park KS, Song HB
- KMID: 2235710
- Korean J Fertil Steril.
- 2000 Mar;27(1):23-30.
OBJECTIVE: Zona pellucida (ZP) has been thought to be the barrier of egg to sperm penetration before and after fertilization. The phenomenon of ZP hardening has been considered as a... -
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- Studies on the Participation of Prostaglandin in the Process of Hatchin gin the Mouse
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Ryu JA, Yu HK, Yoon SY, Bae IH
- KMID: 1924378
- Korean J Obstet Gynecol.
- 1997 May;40(5):947-957.
Most mammalian embryos implant on the uterine endometrium after hatching fromzona pellucida of the expanded blastocyst and pregnancy takes place. The blastocysts produceand control a variety of prostaglandins which... -
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