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The Effects of Antioxidants, N-acetyl-L-cystein, N-acetyl-L-cystein Amide, Glutathione or Cysteamine on the Development of in vitro Fertilized bovine Oocytes

Year: 2017

Type: article

Abstract: To increase the productivity of in vitro development, the antioxidants have been used for culture system of bovine oocytes and embryos. However, comparative studies on these molecules are rare and direct beneficial effects on blastocyst production cannot be discriminated for best results. The study was conducted to determine the influence of N-acetyl-L-cysteine (NAC), N-acetyl-L-cysteine amide (NACA), glutathione (GSH) and cysteamime (CYS) on maturation competence of COCs from GV to MII stage and productivity of blastocyst formation during in vitro fertilization and culture. There was no difference among maturation rates of oocytes to metaphase II with polar body with antioxidants for any of the treatment groups (p>0.05). However, the significant improvement on the rate of blastocysts (32.3±5.0%) was found in 0.1 mM CYS treatment than 0.3 mM NAC, 0.2 mM NACA or 0.5mM GSH (p<0.05). The addition of NAC (18.8±3.7%) or NACA (21.2±3.9%) did not improve development competence to morula and blastocysts than control (24.4±4.1%) and GSH (26.5±5.0%) (p>0.05). Our study showed that medium supplementation with CYS during IVM and IVC improved the rate of bovine embryo development but not with NAC, NACA and GSH addition.

Source: Journal of Animal Reproduciton and Biotechnology

DOI: 10.12750/jet.2017.32.3.201

Authors: Min-Su Kim, Chan-Lan Kim, Namtea Kim, Ik Soo Jeon, Sung Woo Kim

Institutions: Rural Development Administration, National Institute of Animal Science

Language: English

Topic: Reproductive Biology and Fertility

Subfield: Public Health, Environmental and Occupational Health

Field: Medicine

Domain: Health Sciences

SDG: Zero hunger

Open Access status: gold

Estimated APC paid: $230