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Illegal Beings: Human Clones
Endothelin-1 concentrations in clone calves, their surrogate dams, and fetal fluids at birth: association with oxygen trea
Wilkins PA, Boston R, Palmer JE, Armstead WMJ Vet Intern Med. 2005 Jul-Aug;19(4):594-8..
Section of Medicine, Department of Clinical Studies, New Bolton Center, School of Veterinary Medicine, University of Pennsylvania, Kennett Square, PA 19348, USA. pwilkins@vet.upenn.edu
Increased endothelin-1 (ET-1) plasma concentration in human infants is associated with persistent pulmonary hypertension of the newborn, a problem also identified in calves derived from somatic cell clone technology. Increased ET-1 also is present in the amnionic fluid and plasma of the infant and mother in preeclampsia, a condition associated with abnormal placentation. Abnormalities in placentation are identified in clone calves. We measured ET-1 in fetal fluid, calf plasma, and surrogate dam plasma in 40 clone calves at the time of term delivery. Calves were subsequently identified as being either oxygen treated (O2) or non-oxygen treated based on their postpartum clinical course. Fetal fluid ET-1 concentration greater than 1.4 ng/mL carried a 3-fold increase in odds of the calf being treated with oxygen. Maternal plasma ET-1 concentration was greater in the O2 group (13 pg/ mL: [8-23 pg/mL] versus 25 pg/mL [12-40 pg/mL]; median, 25-75 percentile). Plasma ET-1 concentration in calves was not significantly different between groups. Fetal fluid ET-1 may serve as a marker for neonatal disorders of oxygenation in clone calves and the source of ET-1 may be the placenta.
This Message is being posted for educational purposes, as well as for comment and criticism, by the visitors to the HumanCloning.org Foundation website (http://www.humancloning.org ).
Disclaimer: This abstract is being posted for educational purposes, as well as for comment and criticism, by the visitors to the Human Cloning Foundation website (www.HumanCloning.org ). This abstract is representative of a larger article that is indexed on Medline.
The Human Cloning Foundation was established February, 1988. .
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