Linoleic (LA) and linolenic (ALA) acid concentrations in follicular fluid of prepubertal goats and their effect on oocyte in vitro maturation and embryo development.

Linoleic (LA) and linolenic (ALA) acid concentrations in follicular fluid of prepubertal goats and their effect on oocyte in vitro maturation and embryo development.
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青春期前山羊卵泡液中的亚油酸(LA)和亚麻酸(ALA)浓度及其对卵母细胞体外成熟和胚胎发育的影响。

DOI:
10.1071/rd17174
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发表时间:
2018
期刊:
Reproduction, fertility, and development
影响因子:
--
通讯作者:
Roura M
Roura M
中科院分区:
--
文献类型:
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作者:
Roura M

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本研究根据山羊卵泡大小的不同,测定了山羊卵泡液中亚油酸(LA)和亚麻酸(ALA)的含量(<3 mm或≥3 mm),并测试了不同LA和ALA的添加(LA:ALA)浓度比(50:50、100:50和200:50 µM)对胚胎发育、线粒体活性、ATP浓度和相关基因表达的影响(RPL 19,核糖体蛋白L19; SLC 2A 1,易化葡萄糖转运蛋白1; ATF 4,激活转录因子4; GPX 1,谷胱甘肽过氧化物酶1; HSPA 5,热休克蛋白家族A 70 kDa; GAPDH,甘油醛-3-磷酸脱氢酶; DNMT 1,DNA甲基转移酶1; GCLC,谷氨酸-半胱氨酸连接酶催化亚基; SOD 1、超氧化物歧化酶1)。卵母细胞在体外成熟,受精或孤雌激活,并按照常规方案培养受精卵。LA浓度范围为247至319 µM,ALA浓度范围为8.39至41.19 µM,不受卵泡大小的影响。不同处理组的囊胚产量分别为:对照组FCS(22.33%)和BSA(19.63%),50:50(22.58%),100:50(21.01%)和200:50(9.60%)。与对照组和其余处理组相比,200:50组的卵母细胞表现出更高的多精受精和线粒体活性。在处理组之间未观察到ATP浓度或测量的基因的相对表达的差异。总之,在200:50组中获得的囊胚数量低是由多精受精卵数量高引起的,这可能表明高LA浓度损害卵母细胞膜。
In this study we assessed the concentration of linoleic acid (LA) and linolenic acid (ALA) in follicular fluid of prepubertal goats according to follicle size (<3 mm or ≥3 mm) by gas chromatography and tested the addition of different LA and ALA (LA : ALA) concentration ratios (50 : 50, 100 : 50 and 200 : 50 µM) to the IVM medium on embryo development, mitochondrial activity, ATP concentration and relative gene expression (RPL19, ribosomal protein L19; SLC2A1, facilitated glucose transporter 1; ATF4, activating transcription factor 4; GPX1, glutathione peroxidase 1; HSPA5, heat-shock protein family A 70 kDa; GAPDH, glyceraldehyde-3-phosphate dehydrogenase; DNMT1, DNA methyltransferase 1; GCLC, glutamate–cysteine ligase catalytic subunit; SOD1, superoxide dismutase 1). Oocytes were in vitro matured, fertilised or parthenogenetically activated and zygotes were cultured following conventional protocols. LA concentration ranged from 247 to 319 µM and ALA concentration from 8.39 to 41.19 µM without any effect of follicle size. Blastocyst production from the different groups was: control FCS (22.33%) and BSA (19.63%), treatments 50 : 50 (22.58%), 100 : 50 (21.01%) and 200 : 50 (9.60%). Oocytes from the 200 : 50 group presented higher polyspermy and mitochondrial activity compared with controls and the rest of the treatment groups. No differences were observed in ATP concentration or relative expression of the genes measured between treatment groups. In conclusion, the low number of blastocysts obtained in the 200 : 50 group was caused by a high number of polyspermic zygotes, which could suggest that high LA concentration impairs oocyte membranes.
亚麻酸可改善山羊卵母细胞的发育能力并减少体外产生的囊胚的凋亡
DOI: 10.1017/s0967199415000507
发表时间: 2015
期刊: Zygote
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Turner, Nigel;Bruce, Clinton R.;Cooney, Gregory J.
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DOI: --
发表时间: 2015
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亚麻酸对绵羊卵母细胞体外成熟的影响:胚胎发育潜力和细胞凋亡相关基因的 mRNA 丰度
DOI: 10.1007/s10815-015-0439-9
发表时间: 2015
影响因子: 3.1
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发表时间: 1995-02-01
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