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Caffeine Treatment during Oocyte Aging Improves the Developmental Rate and Quality in Bovine Embryos Developing In Vitro
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  • Caffeine Treatment during Oocyte Aging Improves the Developmental Rate and Quality in Bovine Embryos Developing In Vitro
  • Caffeine Treatment during Oocyte Aging Improves the Developmental Rate and Quality in Bovine Embryos Developing In Vitro
저자명
Choi. Hyun-Yong,Lee. Sung-Hyun,Xu. Yong-Nan,Lee. Seung-Eun,Kim. Nam-Hyung
간행물명
Reproductive & developmental biology
권/호정보
2013년|37권 4호|pp.281-287 (7 pages)
발행정보
한국동물번식학회
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

In mammal, unfertilized oocytes remain in the oviduct or under in vitro culture, which is called "oocyte aging". This asynchrony negatively affects fertilization in pre- and post-implantation embryo development. Caffeine a phosphodiesterase inhibitor is known to rescue oocyte aging in several species. The objective of this study is to determine the cytoskeleton distribution in aged oocytes and the embryo developmental ability of aged oocytes in the present or absence of caffeine during maturation. Caffeine treatment increased the incidence of normal spindle assembly of aged oocytes (treatment, $67.57{pm}4.11%$ aging, $44.61{pm}6.4%$) and no significant differences compared to control group. Fluorescence values were compared using ROS (Reactive oxidation species) stain. Fluorescence values appear of control group intensity rate ($51.53.{pm}3.80$), aging group ($68.10{pm}5.54$) and treatment of caffeine ($45.04{pm}2.98$). Aged oocytes that were derived from addition of caffeine to the IVM (in vitro maturation) medium had significantly increased 2-cell that developed to the blastocyst stage compared to the aging group. Blastocysts, derived from caffeine treatment group, significantly increased the total cell number compare aging ($90.44{pm}10.18$ VS $67.88{pm}7.72$). Apoptotic fragments of genomic DNA were measured in individual embryo using TUNEL assay. Blastocyst derived from caffeine treatment group decreased significantly the apoptotic index compared to blastocyst derived from aging group. In conclusion, we inferred that the caffeine treatment during oocyte aging can improve the developmental rate and quality in bovine embryos developing in vitro.