Abstract：
:Monosodium Glutamate (MSG) is used as flavour enhancer, with potential beneficial effects due to its nutritional value. Given the decline in kidney functions during aging, we investigated the impact of MSG voluntary intake on the kidney of male mice, aged 6 or 18 months. For 2 months, they freely consumed water (control group), sodium chloride (0.3% NaCl) or MSG (1% MSG) in addition to standard diet. Young animals consuming sodium chloride presented signs of proteinuria, hyperfiltration, enhanced expression and excretion of Aquaporin 2 and initial degenerative reactions suggestive of fibrosis, while MSG-consuming mice were similar to controls. In old mice, aging-related effects including proteinuria and increased renal corpuscle volume were observed in all groups. At an advanced age, MSG caused no adverse effects on the kidney compared to controls, despite the presence of a sodium moiety, similar to sodium chloride. These data show that prolonged MSG intake in mice has less impact on kidney compared to sodium chloride, that already in young animals induced some effects on kidney, possibly related to hypertension.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Celestino M,Balmaceda Valdez V,Brun P,Castagliuolo I,Mucignat-Caretta Cdoi
10.1038/s41598-020-80048-zsubject
Has Abstractpub_date
2021-01-12 00:00:00pages
481issue
1issn
2045-2322pii
10.1038/s41598-020-80048-zjournal_volume
11pub_type
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