Abstract
The anti-inflammatory effects of mung bean protein hydrolysate (MBPH) on the lipopolysaccharide (LPS)-induced macrophages were investigated herein. MBPH was shown to affect the cell morphology, proliferation, cell cycle, cytokine levels at different culture times, and the expression level of nuclear factor-kappa B (NF-κB). The obtained results revealed that different fractions of MBPH promote cell proliferation, alter the cell cycle by decreasing the proportion of cells in the S stage and increasing the proportion of cells in the G2 stage, increase the expression of cytokines, included IL-6, IL-1β, and TNF-α, and negatively affect the LPS-induced inflammatory cytokines. Based on the analysis of cytokine expression at different points in time, it is concluded that cytokine secretion of MBPH-treated group reaches a peak at 24 h, the result was significantly different compared to other treatment groups (P < 0.05). It can be observed that the inflammatory response induced by LPS in the MBPH-III treatment group is reduced compared with other fractions (P < 0.05). In addition, MBPH inhibits the activation of NF-κB signaling pathway by inhibiting the nuclear transcription of p65 and phosphorylation of IκBα in macrophages induced by LPS. Our results demonstrated that lower molecular weight MBPH exerted stronger anti-inflammatory effects than other molecular fractions. Thus, MBPH could be utilized as a functional food ingredient to prevent inflammation in chronic diseases.
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Abbreviations
- LPS:
-
Lipopolysaccharide
- NF-κB:
-
Nuclear factor kappa-B
- MBPH:
-
Mung bean protein hydrolysate
- IL-6:
-
Interleukin-6
- IL-1β:
-
Interleukin-1β
- TNF-α:
-
Tumor necrosis factor-α
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Acknowledgements
This work was supported by the Heilongjiang Major Science and Technology Projects (2021ZX12B06), National Program on Key Research Project (2018YFE0206300), and Heilongjiang Postdoctoral Fund (LBH-Z20206).
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JJD and XM designed the study, interpreted the results and drafted the manuscript. HSCh collected the test data and modified the manuscript.
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Diao, J., Miao, X. & Chen, H. Anti-inflammatory effects of mung bean protein hydrolysate on the lipopolysaccharide- induced RAW264.7 macrophages. Food Sci Biotechnol 31, 849–856 (2022). https://doi.org/10.1007/s10068-022-01104-0
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DOI: https://doi.org/10.1007/s10068-022-01104-0