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Thirteen weeks of supplementation of vitamin D and leucine-enriched whey protein nutritional supplement attenuates chronic low-grade inflammation in sarcopenic older adults: the PROVIDE study

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Background: A chronic low-grade infammatory profle (CLIP) is associated with sarcopenia in older adults. Protein and Vitamin (Vit)D have immune-modulatory potential, but evidence for efects of nutritional supplementation on CLIP is limited. Aim To investigate whether 13 weeks of nutritional supplementation of VitD and leucine-enriched whey protein afected CLIP in subjects enrolled in the PROVIDE-study, as a secondary analysis. Methods: Sarcopenic adults (low skeletal muscle mass) aged ≥ 65 years with mobility limitations (Short Physical Performance Battery 4–9) and a body mass index of 20–30 kg/m2 were randomly allocated to two daily servings of active (n=137, including 20 g of whey protein, 3 g of leucine and 800 IU VitD) or isocaloric control product (n=151) for a double-blind period of 13 weeks. At baseline and after 13 weeks, circulating interleukin (IL)-8, IL-1 receptor antagonist (RA), soluble tumor-necrosis-factor receptor (sTNFR)1, IL-6, high-sensitivity C-reactive protein, pre-albumin and 25-hydroxyvitamin(OH) D were measured. Data-analysis included repeated measures analysis of covariance (corrected for dietary VitD intake) and linear regression. Results: IL-6 and IL-1Ra serum levels showed overall increases after 13 weeks (p=0.006 and p<0.001, respectively). For IL-6 a signifcant time × treatment interaction (p=0.046) was observed, with no signifcant change over time in the active group (p=0.155) compared to control (signifcant increase p=0.012). IL-8 showed an overall signifcant decrease (p=0.03). The change in pre-albumin was a signifcant predictor for changes in IL-6 after 13 weeks. Conclusions: We conclude that 13 weeks of nutritional supplementation with VitD and leucine-enriched whey protein may attenuate the progression of CLIP in older sarcopenic persons with mobility limitations

Reference Liberman, K., Njemini, R., Luiking, Y., Forti, L. N., Verlaan, S., Bauer, J. M., Memelink, R., Brandt, K., Donini, L., Maggio, M., Mets, T., Weijers, S. L. J., Sieber, C., Cederholm, T., & Bautmans, I. (2019). Thirteen weeks of supplementation of vitamin D and leucine-enriched whey protein nutritional supplement attenuates chronic low-grade inflammation in sarcopenic older adults: the PROVIDE study. Aging Clinical and Experimental Research, 31(6), 845-854. https://doi.org/10.1007/s40520-019-01208-4
Published by  Urban Vitality 1 June 2019

Publication date

Jun 2019

Author(s)

Keliane Liberman
Rose Njemini
Yvette Luiking
Louis N. Forti
Sjors Verlaan
Jürgen M. Bauer
Kirsten Brandt
Lorenzo Donini
Marcello Maggio
Tony Mets
Sander L.J. Weijers
Cornel Sieber
Tommy Cederholm
Ivan Bautmans

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