结论优化的电融合参数是决定供体核-卵母细胞复合体融合与重组胚激活的关键因素。
Conclusion Optimal parameters for electrofusion are crucial for the fusion of donor-recipient pairs and the activation of the reconstructed embryo.
近年来的研究发现，肾发育过程中的胚基残留，分化障碍可能是肾母细胞瘤发病的原因之一。
For these years, residua of metanephric blastema and delay of differentiation in the development of kidney have been considered the cause of nephroblastoma.
目的探讨视黄酸受体基因在人胚肾上腺和神经母细胞瘤中表达的意义。
Purpose To explore the relationship between retinoic acid receptors and development of human embryonal adrenal and tumorigenesis of neuroblastoma.
体细胞胚起源于胚性愈伤组织中含单宁的细胞包围的单个胚性母细胞，属于单细胞起源。
The somatic embryo originated from single embryonic original cell of embryonic callus tissues, which was surrounded by tannin cells, that belonged to single cell origination.
选用陕北黑山羊的4 - 32细胞胚和萨能奶山羊的次级卯母细胞分别作核供体和胞质供体。
The secondary oocytes from Saanen dairy goats and 4-32 cell embryos from Shaanbei black goats were used as cytoplast donors and karyoplast donors respectively.
用离子霉素或乙醇预激活去核卵母细胞，对重组胚的卵裂和发育无明显影响。
Preactivating donor cells and enucleated oocytes with ionomycin has no significant enhancive effect on the cleavage of constructed embryos, but it arrests the blastocyst development.
结论卵巢生殖细胞肿瘤中无性细胞瘤和胚胎性癌分化水平最接近于生殖母细胞至胚泡阶段。
Conclusions the differential level of dysgerminoma and embryonal carcinoma approximates the stages of gonocyte and blastocyst.
结果记录排卵前卵母细胞至扩展囊胚的小鼠早期胚发育全过程，制成微分干涉差显微图谱。
Results a DIC atlas of preimplantation embryos in full developmental stages was formed from preovulatory oocyte to expanded blastocyst.
核供体和卵母细胞线粒体都损伤的核移植胚发育率的变化规律与卵胞质受体线粒体损伤的核移植胚一致。
After both nuclear donor and ooplasmic recipient mitochondria are damaged, the development pattern of reconstructed embryos is the same with as that of only ooplasmic recipient mitochondrial damaged.
去核时卵母细胞质剩得过少可导致移核胚过早（6-细胞期）发生致密化或形成内细胞团细胞数目较少的小囊胚；
Too much reduction of the cytoplasmic mass at enucleationled to premature compaction of the nuclear transplant embryos at 6-cell stage or the formation of small blastocysts with few ICM cells;
FGFR2阳性反应较均匀分布于卵母细胞和植入前胚的胞质。
However, FGFR2 were located uniformly in the cytoplasm of the oocytes and preimplantation embryos.
波尔山羊的体细胞与当地白山羊的卵母细胞构成的重构胚经移植受体后获得了克隆个体；
The reconstructed embryos of boer goat somatic cells and the M II stage enuclear oocytes were develop to term;
波尔山羊的体细胞与当地白山羊的卵母细胞构成的重构胚经移植受体后获得了克隆个体；
The reconstructed embryos of boer goat somatic cells and the M II stage enuclear oocytes were develop to term;
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