Linked Life Data

12858513

Source:http://linkedlifedata.com/resource/pubmed/id/12858513

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2003-7-15
pubmed:abstractText
The development of reconstructed oocytes and the survival rate of cloned animal were affected by many factors during nuclear transfer. The genetic constitution and the genetic state of donor nucleus were proposed to be primary factors, which affected the survival rate of cloned animal. In addition, the survival rate of cloned animal might be influenced by nuclear transfer technique itself and passages of donor cells as well as the activation methods of oocytes. We reconstructed oocytes with outbreeding Kunming albino mouse ES cells and enucleated rabbit oocytes, and analyzed the effects of the passages of ES cells and 6-DMAP on the development of interspecific reconstructed oocytes. The interspecific reconstructed ES-rabbit oocytes were activated either by combined two set electric pulses and 6-DMAP or by two set electric pulses alone. The rate of cleavage was significantly higher for the group (86.2%) treated with 6-DMAP than the group (64.2%, P < 0.05) treated with electric pulses only, and the rate of blastocysts was 17.0% and 13.4% respectively, which were not significantly different between two groups. When ES cells that had been passed for 24 and 14 generations were used as donors, the cleavage rates of the reconstructed oocytes were 88.5% and 82.1%, respectively (P > 0.05), and the rates of blastolation were 16.7% and 15.4%, respectively (P > 0.05). The results show that 6-DMAP increases the cleavage rate of reconstructed oocytes derived from ES cells, and affects slightly the developmental rate of blastocysts. There are no differences when high passage and low passage ES cells are used as nuclear donors.
pubmed:language
chi
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
0001-5334
pubmed:author
pubmed:issnType
Print
pubmed:volume
36
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
145-8
pubmed:dateRevised
2007-11-15
pubmed:meshHeading
pubmed:year
2003
pubmed:articleTitle
[Effects of 6-dimethylaminopurine and passages of embryonic stem cells on the development in vitro of interspecific reconstructed oocytes].
pubmed:affiliation
Department of Biological Engineering, Dalian University of Technology, Dalian 116012, China.
pubmed:publicationType
Journal Article, English Abstract, Research Support, Non-U.S. Gov't