ELIZA

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324223 occurrences (No.64 in the rank) during 5 years in the PubMed. [no cache] 500 found

342) In conclusion, the present study has identified differences in the vesicles and mitochondria between adult and lamb oocytes from ewes that may contribute to reduced developmental competence in prepubertal oocytes.

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PMID:24456710 DOI:10.1071/RD13359

2015 Reproduction, fertility, and development

* Mitochondria and vesicles differ between adult and prepubertal sheep oocytes during IVM.

- Oocytes from prepubertal animals have a reduced ability to undergo normal embryo development and produce viable offspring. The correct quantity, activity and cytoplasmic distribution of oocyte organelles are essential for oocyte maturation, fertilisation and subsequent embryo development. The aim of this study was to quantify the ultrastructural differences between oocytes from prepubertal lamb and adult ewes using electron microscopy and stereology. We also determined whether quantitative polymerase chain reaction (qPCR) methods give comparable estimates of mitochondrial number to stereology. Mean storage vesicle volume was greater in adult compared with lamb oocytes before IVM and decreased during maturation in both adult and lamb oocytes. Mitochondrial volume and number increased in adult oocytes during maturation; however, no increase was observed in lamb oocytes. Mitochondrial DNA copy number measured by qPCR showed no differences between adult and lamb oocytes. A different distribution of mitochondria was observed in lamb oocytes before maturation, while the percentage of hooded mitochondria increased during maturation in adult oocytes and decreased in the lamb. In conclusion, the present study has identified differences in the vesicles and mitochondria between adult and lamb oocytes from ewes that may contribute to reduced developmental competence in prepubertal oocytes.

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(2)54 in	(12)7 on	(22)3 during	(32)2 five
(3)38 null	(13)6 with	(23)3 factors	(33)2 for
(4)24 by	(14)5 between	(24)3 several	(34)2 regulation
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(7)18 a	(17)4 four	(27)2 4	(37)2 through
(8)12 using	(18)4 including	(28)2 are
(9)10 that	(19)4 which	(29)2 at
(10)8 from	(20)3 along	(30)2 but

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--- WordNet output for identified --- =>確認飛行物体;略:IFO Overview of verb identify The verb identify has 6 senses (first 6 from tagged texts) 1. (32) identify, place -- (recognize as being; establish the identity of someone or something; "She identified the man on the 'wanted' poster") 2. (7) name, identify -- (give the name or identifying characteristics of; refer to by name or some other identifying characteristic property; "Many senators were named in connection with the scandal"; "The almanac identifies the auspicious months") 3. (6) identify -- (consider (oneself) as similar to somebody else; "He identified with the refugees") 4. (4) identify -- (conceive of as united or associated; "Sex activity is closely identified with the hypothalamus") 5. (2) identify, discover, key, key out, distinguish, describe, name -- (identify as in botany or biology, for example) 6. (2) identify -- (consider to be equal or the same; "He identified his brother as one of the fugitives") Overview of adj identified The adj identified has 1 sense (first 1 from tagged texts) 1. (1) identified -- (having the identity known or established; "the identified bodies were released for burial") --- WordNet end ---