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Abstract Title:

CECT5716: a novel alternative for the prevention of vascular disorders in a mouse model of systemic lupus erythematosus.

Abstract Source:

FASEB J. 2019 Jun 7:fj201900545RR. Epub 2019 Jun 7. PMID: 31173526

Abstract Author(s):

Marta Toral, Iñaki Robles-Vera, Miguel Romero, Néstor de la Visitación, Manuel Sánchez, Francisco O'Valle, Alba Rodriguez-Nogales, Julio Gálvez, Juan Duarte, Rosario Jiménez

Article Affiliation:

Marta Toral

Abstract:

The aim of the present study was to examine whether the immune-modulatory bacteriaCECT5716 (LC40) ameliorates disease activity and cardiovascular complications in a female mouse model of lupus. Eighteen-week-old NZBWF1 [systemic lupus erythematosus (SLE)] and NZW/LacJ (control) mice were treated with vehicle or LC40 (5× 10colony-forming units/d) for 15 wk. LC40 treatment reduced lupus disease activity, blood pressure, cardiac and renal hypertrophy, and splenomegaly in SLE mice. LC40 reduced the elevated T, B, regulatory T cells (T), and T helper (T)-1 cells in mesenteric lymph nodes of lupus mice. LC40 lowered the higher plasma concentration of proinflammatory cytokines observed in lupus mice. Aortas from SLE mice showed reduced endothelium-dependent vasodilator responses to acetylcholine. Endothelial dysfunction found in SLE is related to an increase of both NADPH oxidase-driven superoxide production and eNOS phosphorylation at the inhibitory Thr. These activities returned to normal values after a treatment with LC40. Probiotic administration to SLE mice reduced plasma LPS levels, which might be related to an improvement of the gut barrier integrity. LC40 treatment increases thecount in gut microbiota of SLE mice. In conclusion, our findings identify the gut microbiota manipulation with LC40 as an alternative approach to the prevention of SLE and its associated vascular damage.-Toral, M., Robles-Vera, I., Romero, M., de la Visitación, N., Sánchez, M., O'Valle, F., Rodriguez-Nogales, A., Gálvez, J., Duarte, J., Jiménez, R.CECT5716: a novel alternative for the prevention of vascular disorders in a mouse model of systemic lupus erythematosus.

Study Type : Animal Study

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