Document Detail

Estrone sulfate and progesterone profiles during late gestation in recipient cows transferred embryos produced by nuclear transfer and in vitro fertilization.
MedLine Citation:
PMID:  17965545     Owner:  NLM     Status:  MEDLINE    
The aim of present experiment was to evaluate the plasma concentrations of estrone sulfate (E(1)S) and progesterone (P(4)) during late gestation in recipient cows transferred embryos produced by nuclear transfer (NT) and in vitro fertilization (IVF). Blood samples were collected from recipients transferred embryos produced by NT (n=9) and IVF (n=13) at 160, 220, 240, 260 and 270 d of gestation and then at 5 d intervals until parturition. Plasma samples were analyzed for E(1)S and P(4) by ELISA. One NT and three IVF cows aborted between days 220 and 260 of gestation. Two NT and one IVF cow had prolonged gestation (over 290 d). One IVF cow had an overweight fetus (50 kg) after abortion (257 d). The patterns of changes in the concentrations of E(1)S during late gestation in the NT and IVF cows were almost identical. The NT and IVF cows that aborted had prolonged gestation and much higher E(1)S concentrations than the average. One NT cow aborted after 220 d of gestation and had a sudden high increase in its E(1)S concentration from 160 d to 220 d of gestation. The NT and IVF cows that had prolonged gestation also had significantly higher (P<0.05) P(4) concentrations than the average. These results raise the possibility that the E(1)S and P(4) profiles can be used to monitor some late gestational problems, such as higher birth weight, abortion and prolonged gestation.
Kapil Deo Shah; Teruo Maeda; Takemasa Hidaka; Yasuhiro Ogata
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2007-10-23
Journal Detail:
Title:  The Journal of reproduction and development     Volume:  53     ISSN:  0916-8818     ISO Abbreviation:  J. Reprod. Dev.     Publication Date:  2007 Dec 
Date Detail:
Created Date:  2008-01-16     Completed Date:  2008-03-10     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9438792     Medline TA:  J Reprod Dev     Country:  Japan    
Other Details:
Languages:  eng     Pagination:  1237-46     Citation Subset:  IM    
Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima, Japan.
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MeSH Terms
Abortion, Veterinary / blood*,  diagnosis
Biological Markers / blood
Birth Weight
Embryo Transfer / veterinary
Estrone / analogs & derivatives*,  blood
Fertilization in Vitro / veterinary*
Gestational Age
Nuclear Transfer Techniques / veterinary
Pregnancy, Prolonged / blood*,  diagnosis
Progesterone / blood*
Reg. No./Substance:
0/Biological Markers; 481-97-0/estrone sulfate; 53-16-7/Estrone; 57-83-0/Progesterone

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