期刊
NUTRIENTS
卷 8, 期 6, 页码 -出版社
MDPI
DOI: 10.3390/nu8060336
关键词
beta-glucan; enteral nutrition; ICU; NK cell; immune system; inflammation
资金
- Bio-Synergy Research Project of the Ministry of Science, ICT and Future Planning through the National Research Foundation, Republic of Korea [NRF-2012M3A9C4048762]
- Ministry of Trade, Industry, and Energy (MOTIE)
- Korea Institute for Advancement of Technology (KIAT) through Promoting Regional Specialized Industry
- Cooperative Research Program for Agriculture Science & Technology Development, Rural Development Administration, Republic of Korea [PJ010835]
We investigated whether high-protein enteral nutrition with immune-modulating nutrients (IMHP) enriched with beta-glucan stimulates immune function in critically ill patients. In a randomized double-blind placebo-controlled study, 30 patients consumed one of three types of enteral nutrition: a control or IMHP with and without beta-glucan. The IMHP with beta-glucan group showed increases in natural killer (NK) cell activities relative to the baseline, and greater increases were observed in NK cell activities relative to the control group after adjusting for age and gender. The IMHP groups with and without beta-glucan had greater increases in serum prealbumin and decreases in high-sensitivity C-reactive protein (hs-CRP) than the control group. The control group had a greater decrease in peripheral blood mononuclear cell (PBMC) interleukin (IL)-12 production than the IMHP with and without beta-glucan groups. In all patients, the change (Delta) in hs-CRP was correlated with A prealbumin and A PBMC IL-12, which were correlated with Delta NK cell activity and Delta prealbumin. This study showed beneficial effects of a combination treatment of beta-glucan and IMHP on NK cell activity. Additionally, strong correlations among changes in NK cell activity, PBMC IL-12, and hs-CRP suggested that beta-glucan could be an attractive candidate for stimulating protective immunity without enhanced inflammation (ClinicalTrials.gov: NCT02569203).
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