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GPETAFLR: A new anti-inflammatory peptide from Lupinus angustifolius L. protein hydrolysate

AuthorsMillán-Linares, María del Carmen ; Millán, Francisco ; Pedroche, Justo ; Yust, María del Mar
Issue Date2015
CitationJournal of Functional Foods 18: 358- 367 (2015)
Abstract© 2015 Elsevier Ltd. An anti-inflammatory peptide was identified in lupine protein hydrolysate (LPH) obtained by enzymatic hydrolysis of lupine protein isolate (LPI) with Alcalase. LPH was separated in two fractions by ultrafiltration, and anti-inflammatory activity was evaluated by analysis of the expression of different cytokines in THP-1-derived macrophages by quantitative PCR (qPCR). Fraction <10 kDa was purified by chromatographic techniques, and the most active subfraction was analysed by mass spectrometry. A novel anti-inflammatory peptide was identified and the sequence was Gly-Pro-Glu-Thr-Ala-Phe-Leu-Arg. This peptide was synthesised, and its anti-inflammatory activity was tested at two concentrations. Expression of TNF, IL-1β, and CCL2 was significantly reduced whereas the expression of the anti-inflammatory cytokine IL-10 was induced. Regarding the production of cytokines, only the lowest concentration of the synthetic peptide showed anti-inflammatory properties. Furthermore, the synthetic peptide decreased nitric oxide production. Thus, the identified peptide may help to prevent chronic inflammation associated with several diseases.
Identifiersdoi: 10.1016/j.jff.2015.07.016
issn: 1756-4646
Appears in Collections:(IG) Artículos
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