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A sucrose-rich diet during pregnancy causes a similar response in Sprague-Dawley and Wistar rats.

Título : A sucrose-rich diet during pregnancy causes a similar response in Sprague-Dawley and Wistar rats.
Autor : López-Soldado Fernández, Iliana
Herrera Castillón, Emilio.
Munilla Suárez, María Ángeles
Materias: Sucrose-rich dietPregnancyWistar ratsSprague-Dawley ratsTriglyceridesLipoprotein lipase
Resumen : Background/Aims: In order to determine whether the response to a sucrose-rich diet (SRD) during pregnancy in the rat varies depending on the strain, the responsiveness to a SRD (63 g sucrose/100 g) during pregnancy in Wistar and Sprague-Dawley rats was studied. Methods: One group of rats of each strain was fed the SRD, whereas another group received the same diet except that sucrose was replaced by an equal amount of cornstarch. Half of the rats were mated, and all animals were studied 20 days later. Results: Initial body weight did not differ among groups, but final body weight of pregnant Wistar rats was lower than in Sprague-Dawley, and this difference corresponded to a decrease in fetal body weight in the former. Feeding a SRD did not modify pregnancy outcome in either rat strain. Plasma triglycerides increased with a SRD, although this effect was milder in Wistar pregnant rats than in the other groups. Adipose tissue lipoprotein lipase activity was lower in pregnant than in virgin rats, but no differences were found as result of either diet or rat strain. Liver triglyceride concentration increased in virgin rats fed SRD, the effect being greater in Sprague-Dawley than in Wistar rats. Conclusion: Differences in the response to a SRD in pregnant and virgin rats do not depend on the strain of rats used.
Descripción : En: Annals of nutrition and metabolism, ISSN 0250-6807 2001. Vol. 45(6) : p. 285-290
URI : http://hdl.handle.net/10637/1089
Derechos: http://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
Fecha de publicación : 19-sep-2001
Centro : Universidad San Pablo-CEU
Aparece en las colecciones: Facultad de Farmacia





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