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Mirabegron induces selective changes in the faecal microbiota of HFHFr rats without altering bile acid composition

Year: 2025
Type: article
Abstract: In the present work, we analyse stored liver, adipose tissue (perigonadal and brown), serum and faecal samples from our previous study and present new biochemical, faecal metabolomic and microbiome data. We show that oral administration of mirabegron significantly increases the expression of uncoupling protein 1 in brown adipose tissue and β3-Adrenergic receptor protein in perigonadal white adipose and liver tissues. Furthermore, mirabegron treatment changes the relative abundance of several genus and families of rat faecal microbiota, albeit without restoring the global biodiversity and evenness indexes observed in control rats, as well as faecal bile acids composition. These changes are probably due to a direct effect of mirabegron on the gut microbiome, rather than being mediated by changes in bile acid induced by drug treatment.
Authors: Bentanachs Raset, Roger, Miró Martí, Ma. Lluïsa, Ramírez-Carrasco, Patricia, Sánchez, Rosa María, Bernabeu Lorenzo, Manuel, Amat, Concepció, Alegret i Jordà, Marta, Pérez Bosque, Anna, Roglans i Ribas, Núria, Laguna Egea, Juan Carlos
Language: English
Open Access status: green
OpenAlex ID: W7124520176
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