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Hipertensión y Riesgo Vascular
Article . 2006 . Peer-reviewed
License: Elsevier TDM
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Hipertensión
Article . 2006 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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Efecto producido por la ingesta crónica de leche fermentada por Enterococcus faecalis CECT 5728 en ratas hipertensas

Authors: Miguel, Marta; Muguerza, B.; Sánchez, E.; Delgado, M. A.; Recio, Isidra; Ramos González, María Mercedes; Aleixandre, Amaya;

Efecto producido por la ingesta crónica de leche fermentada por Enterococcus faecalis CECT 5728 en ratas hipertensas

Abstract

[Material y métodos] Se utilizaron ratas macho espontáneamente hipertensas recién destetadas con 3 semanas de vida. Las ratas se dividieron en cinco grupos que ingerían los siguientes productos líquidos: agua (control negativo), leche fermentada sin actividad inhibidora de la enzima convertidora de la angiotensina (testigo), captopril (100 mg/kg) (control positivo), leche fermentada por Enterococcus faecalis CECT 5728 y leche fermentada por Enterococcus faecalis CECT 5728 que estaba enriquecida en calcio. Los tratamientos se retiraron cuando las ratas tenían 20 semanas de vida. Se midió la presión arterial sistólica y diastólica de las ratas mediante el método del maguito en la cola cuando tenían 5, 10, 15, 20 y 25 semanas de vida.

[Material and methods] Recently weaned spontaneous male hypertensive rats with 3 weeks of life were used.The rats were divided into five groups that took the following liquid products: water (negative control), fermented milk without angiotensin converting enzyme inhibitor activity (control), captopril (100 mg/kg) (positive control), milk fermented by Enterococcus faecalis CECT 5728, and milk fermented by Enterococcus faecalis CECT 5728 that was enriched in calcium. The treatments were withdrawn when the rats were 20 weeks old. Systolic and diastolic blood pressure of the rats was measured with the tail cuff method, when they were 5, 10, 15, 20 and 25 weeks old.

[Resultados] El tratamiento con captopril disminuyó significativamente la presión arterial sistólica y diastólica de las ratas. La leche fermentada por Enterococcus faecalis CECT 5728 también disminuyó significativamente estas variables, pero su efecto fue menor que el de captopril. Los valores de la presión arterial sistólica y diastólica aumentaron tras la retirada de los tratamientos antihipertensivos.

[Introducción y objetivos] La fermentación de la leche por algunas bacterias genera péptidos con actividad inhibidora de la enzima convertidora de la angiotensina. Se evalúan los cambios de la presión arterial que produce en ratas espontáneamente hipertensas la administración crónica de leche fermentada por Enterococcus faecalis CECT 5728 con actividad inhibidora de esta enzima.

[Results] Treatment with captopril significantly decreased the systolic and diastolic blood pressure of the rats. Milk fermented by Enterococcus faecalis CECT 5728 also significantly decreased these variables, but its effect was less than that of captopril. The systolic and diastolic blood pressure values increased after withdrawal of the antihypertensive treatments.

[Introduction and objectives] Fermentation of milk by some bacteria generates peptides with angiotensin converting enzyme inhibitor activity. The changes of blood pressure that are produced in spontaneous hypertensive rats by the chronic administration of milk fermented by Enterococcus faecalis CECT 5728 with inhibitor activity of this enzyme are evaluated.

[Conclusiones] Podría utilizarse la cepa bacteriana Enterococcus faecalis CECT 5728 para producir leches fermentadas útiles en el tratamiento y/o la prevención de la hipertensión.

[Conclusions] The bacterial strain Enterococcus faecalis CECT 5728 can be used to produce fermented milks useful in the treatment and/or prevention of hypertension.

Financiado por el grupo Leche Pascual, S.A., y por el proyecto INIA-MCYT (CAL01-046-02).

Peer reviewed

Keywords

Leche fermentada, Presión arterial, Ratas espontáneamente hipertensas, Péptidos bioactivos, Fermented milk, Enzima convertidora de la angiotensina, Enterococcus faecalis, Blood pressure, Angiotensin converting enzyme, Spontaneous hypertensive rats, Bioactive peptides

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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