Abstract
Multiple sclerosis (MS) is a neurodegenerative disease, with inflammation and oxidative stress in the central nervous system being the main triggers. There are many drugs that reduce the clinical signs of MS, but none of them cure the disease. Food proteins have been shown to contain encrypted peptides that can be released after hydrolysis and exert numerous biological activities. Recently, we have demonstrated the anti-inflammatory and antioxidant activities of a lupin protein hydrolysate (LPH) both in vitro and in vivo. Therefore, the aim of this study was to evaluate whether LPH is capable of reducing the clinical signs of experimental autoimmune encephalomyelitis (EAE), a mouse model of MS. EAE was induced in female C57BL/6N mice and they were treated intragastrically with LPH (100 mg/kg) or vehicle (control group) from day 0 (prophylactic approach) or from the onset of the disease (day 12 post-induction; therapeutic approach) and the clinical score of each mouse was recorded daily. Prophylactic treatment with LPH reduced the clinical score of the mice compared to the control group, as well as the maximum and cumulative scores, without changing the day of onset of the symptoms while the therapeutic intervention did not significantly improve the severity of the disease. For the first time, we demonstrated that prophylactic administration of LPH reduces the severity of MS, suggesting a potential nutraceutical or new functional foods in neuroinflammation. However, further studies are needed to confirm this nutritional effect in a clinical context.
Published Version
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