Blue Whiting Protein Hydrolysates Exhibit Antioxidant and Immunomodulatory Activities in Stimulated Murine RAW264.7 Cells
Source abstract
Abstract
This study investigated the antioxidant and immunomodulatory potential of six blue whiting soluble protein hydrolysates (BWSPHs, BW-SPH-A to -F) and their simulated gastrointestinal digests (SGID, BW-SPH-A-GI to -F-GI) in murine RAW264.7 macrophages. Hydrolysate BW-SPH-A, both pre- and post-SGID, increased endogenous antioxidant glutathione (GSH) in tert-butylhydroperoxide (tBOOH)-treated cells and reduced reactive oxygen species (ROS) in H2O2-challenged RAW264.7 cells compared with treated controls in the absence of BWSPHs (p < 0.05). BW-SPH-A-GI also exhibited higher ferric reducing antioxidant power (FRAP) and oxygen radical absorbance capacity (ORAC) activities than the other BWSPHs tested (p < 0.05). All BWSPHs and SGID BWSPH samples induced immunostimulating effects in lipopolysaccharide (LPS)-activated RAW264.7 macrophages through the upregulation of NO production. BW-SPH-F-GI increased IL-6 and TNF-α levels compared with the LPS controls indicating the liberation of immunomodulatory peptide/amino acids during the SGID process. Therefore, BW-SPH-A and BW-SPH-F may have potential use against oxidative stress and immunosuppression-related diseases, respectively.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Protein Hydrolysis and Bioactive Peptides · Biochemical effects in animals · Food and Agricultural Sciences
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Food and Nutritional Sciences, University College Cork, T12 YN60 Cork, Ireland
Department of Biological Sciences, University of Limerick, V94 T9PX Limerick, Ireland
Bio-Marine Ingredients Ireland Ltd., Lough Egish Food Park, A75 WR82 Castleblaney, Ireland
Teagasc Food Research Centre, Moorepark, Fermoy, P61 C996 Cork, Ireland
Funding
Science Foundation Ireland · Department of Agriculture, Food and the Marine
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