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Journal of Food and Nutrition Research. 2018, 6(7), 419-432
DOI: 10.12691/jfnr-6-7-1
Open AccessArticle

Dietary Modifications of Nitrogen Intake Decreases Inflammation and Promotes Rejuvenation of Spleen in Aged Mice

Claudia Romano1, Giovanni Corsetti1, , Evasio Pasini2, Vincenzo Flati3 and Francesco S Dioguardi4

1Department of Clinical & Experimental Sciences, Division of Human Anatomy and Physiopathology, University of Brescia, Brescia, Italy

2“S. Maugeri Foundation”, IRCCS, Cardiology Division, Medical Centre of Lumezzane, Brescia, Italy

3Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, L’Aquila, Italy

4Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy

Pub. Date: July 14, 2018
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Cite this paper:
Claudia Romano, Giovanni Corsetti, Evasio Pasini, Vincenzo Flati and Francesco S Dioguardi. Dietary Modifications of Nitrogen Intake Decreases Inflammation and Promotes Rejuvenation of Spleen in Aged Mice. Journal of Food and Nutrition Research. 2018; 6(7):419-432. doi: 10.12691/jfnr-6-7-1

Abstract

The spleen is a lymphoid organ with multiple functions including blood filtration and immune activity. Aging changes the spleen’s anatomy for both immune and stromal cells and can lead to immunesenescence, contributing to the increased rates of mortality and morbidity commonly observed in the elderly. Much evidence indicates that the combination of food quantity and quality can influence chronic inflammatory states in the spleen. Quantitative amino-acids (AA) adequacy is pivotal to maintain cell integrity in mammals. Aged mice feed with balanced essential-AA (EAA) formulation improved mitochondrial biogenesis and morphological and molecular changes in many organs, as well as increased lifespan. Here, we evaluated the inflammatory state of the spleen in aged male mice (fifteen months old) chronically fed for twelve months with a particular EAA-rich diet compared to a standard laboratory diet. This study found that chronic consumption of an EAA-rich diet decreased inflammation and modulated reticular and mitochondrial chaperones, mitochondrial function and cells survival, maintaining the correct architecture of the spleen. These changes could also be beneficial for immune system integrity, providing a possible theoretical-speculative basis for the role of EAA improving the quality of life of the elderly by probably slowing immune-senescence.

Keywords:
 Essential Amino-acids spleen inflammation chaperones Klotho aging

Creative CommonsThis work is licensed under a Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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