Article (Scientific journals)
Anti-Colon Cancer Activity of Novel Peptides Isolated from In Vitro Digestion of Quinoa Protein in Caco-2 Cells.
Fan, Xin; Guo, Huimin; Teng, Cong et al.
2022In Foods (Basel, Switzerland), 11 (2), p. 194
Peer reviewed
 

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Keywords :
HDAC1; antiproliferative activity; hydrolysate; inhibitory activity; molecular docking; Food Science; Microbiology; Health (social science); Health Professions (miscellaneous); Plant Science
Abstract :
[en] Quinoa peptides are the bioactive components obtained from quinoa protein digestion, which have been proved to possess various biological activities. However, there are few studies on the anticancer activity of quinoa peptides, and the mechanism has not been clarified. In this study, the novel quinoa peptides were obtained from quinoa protein hydrolysate and identified by liquid chromatography-tandem mass spectrometry (LC-MS/MS). The anticancer activity of these peptides was predicted by PeptideRanker and evaluated using an antiproliferative assay in colon cancer Caco-2 cells. Combined with the result of histone deacetylase 1 (HDAC1) inhibitory activity assay, the highly anticancer activity peptides FHPFPR, NWFPLPR, and HYNPYFPG were screened and further investigated. Molecular docking was used to analyze the binding site between peptides and HDAC1, and results showed that three peptides were bound in the active pocket of HDAC1. Moreover, real-time quantitative polymerase chain reaction (RT-qPCR), and Western blot showed that the expression of HDAC1, NFκB, IL-6, IL-8, Bcl-2 was significantly decreased, whereas caspase3 expression showed a remarkable evaluation. In conclusion, quinoa peptides may have the potential to protect against cancer development by inhibiting HDAC1 activity and regulating the expression of the cancer-related genes, which indicates that these peptides could be explored as functional foods to alleviate colon cancer.
Disciplines :
Biotechnology
Author, co-author :
Fan, Xin ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech ; Institute of Crop Science, Chinese Academy of Agricultural Sciences, No. 80 South Xueyuan Road, Haidian District, Beijing 100081, China
Guo, Huimin ;  Université de Liège - ULiège > Gembloux Agro-Bio Tech > Gembloux Agro-Bio Tech ; Institute of Crop Science, Chinese Academy of Agricultural Sciences, No. 80 South Xueyuan Road, Haidian District, Beijing 100081, China
Teng, Cong;  Institute of Crop Science, Chinese Academy of Agricultural Sciences, No. 80 South Xueyuan Road, Haidian District, Beijing 100081, China
Zhang, Biao;  College of Pharmacy and Biological Engineering, Chengdu University, No. 1 Shilling Road, Chenglo Avenue, Longquan District, Chengdu 610106, China
Blecker, Christophe ;  Université de Liège - ULiège > Département GxABT > Smart Technologies for Food and Biobased Products (SMARTECH)
Ren, Guixing;  Institute of Crop Science, Chinese Academy of Agricultural Sciences, No. 80 South Xueyuan Road, Haidian District, Beijing 100081, China ; College of Pharmacy and Biological Engineering, Chengdu University, No. 1 Shilling Road, Chenglo Avenue, Longquan District, Chengdu 610106, China
Language :
English
Title :
Anti-Colon Cancer Activity of Novel Peptides Isolated from In Vitro Digestion of Quinoa Protein in Caco-2 Cells.
Publication date :
12 January 2022
Journal title :
Foods (Basel, Switzerland)
ISSN :
2304-8158
eISSN :
2304-8158
Publisher :
MDPI, Switzerland
Volume :
11
Issue :
2
Pages :
194
Peer reviewed :
Peer reviewed
Funding text :
Funding: This research was funded by the Agricultural Science and Technology Innovation Program of CAAS (Quality and Stress Resistance Traits Evaluation of Crop Germplasm Resource).
Available on ORBi :
since 20 April 2022

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