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Lactobacillus casei: Influence on the innate immune response and haemostatic alterations in a liver-injury model

Haro, Ana Cecilia et al · National Research Council Canada-NRC Research Press · 2009

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Lactobacilllus casei CRL 431 has the ability to modulate the local and systemic immune responses, which are significantly involved in liver injury caused by hepatotoxins. This work was conducted to determine whether L. casei has a preventive effect on the hepatic damage undergone during an acute liver injury (ALI). Methods: ALI was induced by an intraperitoneal injection of D-galactosamine (D-Gal). Different groups of mice received 1× 10 9 L. casei cells/day/mouse for 2 days before D-Gal injection. Blood and liver samples were obtained 0, 6, 12, and 24 h after D-Gal administration. Results: D-Gal induced increases in serum aminotransferases, reduced the number of blood leukocytes, enhanced neutrophil myeloperoxidase activity, increased dead cells, and altered prothrombin time and plasma fibrinogen levels. The preventive treatment with L. casei for 2 days modulated the innate immune response. This effect was shown by the earlier normalization of white blood cell counts, myeloperoxidase activity and aminotransferases levels. However, the haemostatic parameters were only partially recovered. The favourable effects obtained could be due to the capacity of L. casei to moderate the inflammatory response at the site of the injury with less damage to liver tissue. Lactobacillus casei CRL 431 a la capacité de moduler les réponses immunes locale et systémique, lesquelles sont significativement impliquées dans le dommage au foie causé par les hépatotoxines. Ce travail a été réalisé pour déterminer si L. casei pouvait prévenir des dommages hépatiques subits lors d’une atteinteé hépatique aigue¨ (AHA). Méthode : l’AHA a été induite par une injection intrapéritonéale de D-galactosamine (D-Gal). Différents groupes d’animaux ont rec¸u 1 109 cellules/jour/souris (L. casei) pendant 2 jours avant l’injection de D-Gal. Des échantillons de sang et de foie ont été prélevés 0, 6, 12 et 24 h aprés l’administration de D-Gal. Résultats : La D-Gal a induit une augmentation de l’activité des aminotransférases sériques, une réduction du nombre de leucocytes sanguins et une augmentation de l’activité de la myéloperoxydase des neutrophiles. Un traitement préventif a` L. casei pendant 2 jours a contribé a` moduler la réponse immune innée. Cet effet a été mis en évidence par la normalisation précoce de globules blancs sanguins, de l’activité de la MPO ainsi que des niveaux d’aminotransférases. Cependant, les paramétres hémostatiques n’étaient que partiellement recouvrés. Les effets favorables obtenus pourraient ^etre dus a` la capacité de L. casei a` moduler la réponse inflammatoire au site atteint, résultant en un dommage moindre du tissu hépatique. Fil: Haro, Ana Cecilia. Universidad Nacional de Tucuman. Facultad de Bioquímica, Química y Farmacia. Instituto de Bioquímica Clinica Aplicada. Cátedra de Bioquímica Clinica I; Argentina

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APA 7

Haro, A. C. E. A. (2009). Lactobacillus casei: Influence on the innate immune response and haemostatic alterations in a liver-injury model. http://hdl.handle.net/11336/56031

MLA

Haro, Ana Cecilia et al. "Lactobacillus casei: Influence on the innate immune response and haemostatic alterations in a liver-injury model." 2009. http://hdl.handle.net/11336/56031.

Chicago

Haro, Ana Cecilia et al. 2009. "Lactobacillus casei: Influence on the innate immune response and haemostatic alterations in a liver-injury model.". http://hdl.handle.net/11336/56031.

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Haro, A. C. E. A. 2009, Lactobacillus casei: Influence on the innate immune response and haemostatic alterations in a liver-injury model, National Research Council Canada-NRC Research Press, available at: http://hdl.handle.net/11336/56031 [Accessed 7 Aug. 2026].

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Titolo
Lactobacillus casei: Influence on the innate immune response and haemostatic alterations in a liver-injury model
Autore / collaboratori
Haro, Ana Cecilia et al
Editore
National Research Council Canada-NRC Research Press
Anno di pubblicazione
2009
ISSN
0008-4166
ISSN
0008-4166
Lingua
Inglés

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