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Rodríguez Longarela N, Paredes Ramos M, López Vilariño JM. Bioinformatics tools for the study of bioactive peptides from vegetal sources: evolution and future perspectives. Crit Rev Food Sci Nutr 2024:1-20. [PMID: 38907628 DOI: 10.1080/10408398.2024.2367571] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/24/2024]
Abstract
Bioactive peptides from vegetal sources have been shown to have functional properties as anti-inflammatory, antioxidant, antihypertensive or antidiabetic capacity. For this reason, they have been proposed as an interesting and promising alternative to improve human health. In recent years, the numerous advances in the bioinformatics field for in silico prediction have speeded up the discovery of bioactive peptides, also reducing the associated costs when using an integrated approach between the classical and bioinformatics discovery. This review aims to provide an overview of the evolution, limitations and latest advances in the field of bioinformatics and computational tools, and specifically make a critical and comprehensive insight into computational techniques used to study the mechanism of interaction that allows the explanation of plant bioactive peptide functionality. In particular, molecular docking is considered key to explain the different functionalities that have been previously identified. The assumptions to simplify such a high complex environment implies a degree of uncertainty that can only be guaranteed and validated by in vitro or in vivo studies, however, the combination of databases, software and bioinformatics applications with the classical approach has become a promising procedure for the study of bioactive peptides.
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Meng P, Wang Y, Huang Y, Liu T, Ma M, Han J, Su X, Li W, Wang Y, Lu C. A strategy to boost xanthine oxidase and angiotensin converting enzyme inhibitory activities of peptides via molecular docking and module substitution. Food Chem 2024; 442:138401. [PMID: 38219570 DOI: 10.1016/j.foodchem.2024.138401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 01/03/2024] [Accepted: 01/06/2024] [Indexed: 01/16/2024]
Abstract
Molecular docking and activity evaluation screened the dipeptide module GP with low xanthine oxidase (XOD) inhibitory activity and modules KE and KN with high activity, and identified them as low- and high-contribution modules, respectively. We hypothesized the substitution of low-contribution modules in peptides with high contributions would boost their XOD inhibitory activity. In the XOD inhibitory peptide GPAGPR, substitution of GP with both KE and KN led to enhanced affinity between the peptides and XOD. They also increased XOD inhibitory activity (26.4% and 10.3%) and decreased cellular uric acid concentrations (28.0% and 10.4%). RNA sequencing indicated that these improvements were attributable to the inhibition of uric acid biosynthesis. In addition, module substitution increased the angiotensin-converting enzyme inhibitory activity of GILRP and GAAGGAF by 84.8% and 76.5%. This study revealed that module substitution is a feasible strategy to boost peptide activity, and provided information for the optimization of hydrolysate preparation conditions.
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Affiliation(s)
- Pengfei Meng
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products and School of Marine Science, Ningbo University, Ningbo 315211, China
| | - Yanxin Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products and School of Marine Science, Ningbo University, Ningbo 315211, China
| | - Yumeng Huang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products and School of Marine Science, Ningbo University, Ningbo 315211, China
| | - Tong Liu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products and School of Marine Science, Ningbo University, Ningbo 315211, China
| | - Mingxia Ma
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products and School of Marine Science, Ningbo University, Ningbo 315211, China
| | - Jiaojiao Han
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products and School of Marine Science, Ningbo University, Ningbo 315211, China
| | - Xiurong Su
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products and School of Marine Science, Ningbo University, Ningbo 315211, China
| | - Wenjun Li
- Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.
| | - Yanbo Wang
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China; School of Food and Health, Beijing Technology and Business University, Beijing 100048, China
| | - Chenyang Lu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products and School of Marine Science, Ningbo University, Ningbo 315211, China; Food Safety Key Laboratory of Zhejiang Province, School of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou 310018, China.
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Alhawarri MB, Al-Thiabat MG, Dubey A, Tufail A, Fouad D, Alrimawi BH, Dayoob M. ADME profiling, molecular docking, DFT, and MEP analysis reveal cissamaline, cissamanine, and cissamdine from Cissampelos capensis L.f. as potential anti-Alzheimer's agents. RSC Adv 2024; 14:9878-9891. [PMID: 38528929 PMCID: PMC10961956 DOI: 10.1039/d4ra01070a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Accepted: 03/17/2024] [Indexed: 03/27/2024] Open
Abstract
The current pharmacotherapies for Alzheimer's disease (AD) demonstrate limited efficacy and are associated with various side effects, highlighting the need for novel therapeutic agents. Natural products, particularly from medicinal plants, have emerged as a significant source of potential neuroprotective compounds. In this context, Cissampelos capensis L.f., renowned for its medicinal properties, has recently yielded three new proaporphine alkaloids; cissamaline, cissamanine, and cissamdine. Despite their promising bioactive profiles, the biological targets of these alkaloids in the context of AD have remained unexplored. This study undertakes a comprehensive in silico examination of the binding affinity and molecular interactions of these alkaloids with human protein targets implicated in AD. The drug likeness and ADME analyses indicate favorable pharmacokinetic profiles for these compounds, suggesting their potential efficacy in targeting the central nervous system. Molecular docking studies indicate that cissamaline, cissamanine, and cissamdine interact with key AD-associated proteins. These interactions are comparable to, or in some aspects slightly less potent than, those observed with established AD drugs, highlighting their potential as novel therapeutic agents for Alzheimer's disease. Crucially, Density Functional Theory (DFT) calculations offer deep insights into the electronic and energetic characteristics of these alkaloids. These calculations reveal distinct electronic properties, with differences in total energy, binding energy, HOMO-LUMO gaps, dipole moments, and electrophilicity indices. Such variations suggest unique reactivity profiles and molecular stability, pertinent to their pharmacological potential. Moreover, Molecular Electrostatic Potential (MEP) analyses provide visual representations of the electrostatic characteristics of these alkaloids. The analyses highlight areas prone to electrophilic and nucleophilic attacks, indicating their potential for specific biochemical interactions. This combination of DFT and MEP results elucidates the intricate electronic, energetic, and electrostatic properties of these compounds, underpinning their promise as AD therapeutic agents. The in silico findings of this study shed light on the promising potential of cissamaline, cissamanine, and cissamdine as agents for AD treatment. However, further in vitro and in vivo studies are necessary to validate these theoretical predictions and to understand the precise mechanisms through which these alkaloids may exert their therapeutic effects.
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Affiliation(s)
- Maram B Alhawarri
- Department of Pharmacy, Faculty of Pharmacy, Jadara University P.O.Box 733 Irbid 21110 Jordan
| | - Mohammad G Al-Thiabat
- School of Pharmaceutical Sciences, Universiti Sains Malaysia Gelugor 11800 Penang Malaysia
| | - Amit Dubey
- Department of Pharmacology, Saveetha Dental College and Hospital, Saveetha Institute of Medical and Technical Sciences Chennai-600077 Tamil Nadu India
- Computational Chemistry and Drug Discovery Division Quanta Calculus Greater Noida-201310 Uttar Pradesh India
| | - Aisha Tufail
- Computational Chemistry and Drug Discovery Division Quanta Calculus Greater Noida-201310 Uttar Pradesh India
| | - Dania Fouad
- Faculty of Dentistry, Ibn Sina University for Medical and Pharmaceutical Sciences Baghdad Iraq
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Moreira LDPD, Corich V, Jørgensen EG, Devold TG, Nadai C, Giacomini A, Porcellato D. Potential bioactive peptides obtained after in vitro gastrointestinal digestion of wine lees from sequential fermentations. Food Res Int 2024; 176:113833. [PMID: 38163727 DOI: 10.1016/j.foodres.2023.113833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/30/2023] [Accepted: 12/05/2023] [Indexed: 01/03/2024]
Abstract
The biotechnological reuse of winery by-products has great potential to increase the value and sustainability of the wine industry. Recent studies revealed that yeast biomass can be an exciting source of bioactive peptides with possible benefits for human health, and its incorporation in plant-based foods is considered innovative and sustainable. In this study, we aimed to identify, through in silico analyses, potential bioactive peptides from yeast extracts after in vitro digestion. Wine lees from a non-Saccharomyces oenological yeast, Starmerella bacillaris FRI751, Saccharomyces cerevisiae EC1118, and sequential fermentation performed with both strains (SEQ) were recovered in a synthetic must. Cellular pellets were enzymatically treated with zymolyase, and the yeast extracts were submitted to in vitro gastrointestinal digestions. LC-MS/MS sequenced the hydrolyzed peptides, and their potential bioactivity was inferred. S. bacillaris FRI751 fermentation showed 132 peptide sequences, S. cerevisiae EC1118 60, SEQ 89. A total of 243 unique peptide sequences were identified across the groups. Furthermore, based on the peptide sequence, the FRI751 extract showed the highest potential antihypertensive with 275 bioactive fragments. Other bioactivities, such as antimicrobial and immunomodulatory, were also identified in all yeast extracts. A potential antiobesity bioactive peptide VVP was identified only in the yeast extract from S. bacillaris single strain. The wine lees from S. bacillaris single strain and SEQ fermentation are a richer source of potential bioactive peptides than those from S. cerevisiae fermentation. This study opens new possibilities in the valorization of winemaking by-products.
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Affiliation(s)
- Luiza de Paula Dias Moreira
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, PD, Italy; Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
| | - Viviana Corich
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, PD, Italy; Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, TV, Italy.
| | - Emilie Gullberg Jørgensen
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
| | - Tove Gulbrandsen Devold
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
| | - Chiara Nadai
- Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, TV, Italy; Department of Land, Environment, Agriculture and Forestry (TESAF), University of Padova, Legnaro, PD, Italy
| | - Alessio Giacomini
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Legnaro, PD, Italy; Interdepartmental Centre for Research in Viticulture and Enology (CIRVE), University of Padova, Conegliano, TV, Italy
| | - Davide Porcellato
- Faculty of Chemistry, Biotechnology, and Food Science, The Norwegian University of Live Sciences, P.O. Box 5003, N-1432 Ås, Norway
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Hung WT, Sutopo CCY, Wu ML, Hsu JL. Discovery and Characterization of a Dual-Function Peptide Derived from Bitter Gourd Seed Protein Using Two Orthogonal Bioassay-Guided Fractionations Coupled with In Silico Analysis. Pharmaceuticals (Basel) 2023; 16:1629. [PMID: 38004494 PMCID: PMC10674851 DOI: 10.3390/ph16111629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 11/04/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023] Open
Abstract
The hydrolysate of bitter gourd seed protein, digested by the combined gastrointestinal proteases (BGSP-GPs), exhibited the most potent inhibition on angiotensin-I-converting enzyme (ACE) with an IC50 value of 48.1 ± 2.0 µg/mL. Using two independent bioassay-guided fractionations, fraction F5 from reversed-phase chromatography and fraction S1 from strong cation exchange chromatography exhibited the highest ACE inhibitory (ACEI) activity. Three identical peptides were simultaneously detected from both fractions and, based on the in silico appraisal, APLVSW (AW6) was predicted as a promising ACEI peptide. Their dipeptidyl peptidase-IV (DPP4) inhibitory (DPP4I) activity was also explored. The IC50 values of AW6 against ACE and DPP4 were calculated to be 9.6 ± 0.3 and 145.4 ± 4.4 µM, respectively. The inhibitory kinetics and intermolecular interaction studies suggested that AW6 is an ACE competitive inhibitor and a DPP4 non-competitive inhibitor. The quantities of AW6 in BGSP-GP hydrolysate, fractions F5 and S1, were also analyzed using liquid chromatography-tandem mass spectrometry. Notably, AW6 could resist hydrolysis in the human gastrointestinal tract according to the result of the simulated gastrointestinal digestion. To the best of our knowledge, this is the first discovery and characterization of a dual-function (ACEI and DPP4I activities) peptide derived from bitter gourd seed protein.
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Affiliation(s)
- Wei-Ting Hung
- Department of Food Science, National Pingtung University of Science and Technology, Pingtung 912, Taiwan; (W.-T.H.); (M.-L.W.)
| | - Christoper Caesar Yudho Sutopo
- Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung 912, Taiwan;
| | - Mei-Li Wu
- Department of Food Science, National Pingtung University of Science and Technology, Pingtung 912, Taiwan; (W.-T.H.); (M.-L.W.)
| | - Jue-Liang Hsu
- Department of Biological Science and Technology, National Pingtung University of Science and Technology, Pingtung 912, Taiwan
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Zhang Y, Kong Y, Xu W, Yang Z, Bao Y. Electron Beam Irradiation Alters the Physicochemical Properties of Chickpea Proteins and the Peptidomic Profile of Its Digest. Molecules 2023; 28:6161. [PMID: 37630413 PMCID: PMC10460040 DOI: 10.3390/molecules28166161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/18/2023] [Accepted: 08/19/2023] [Indexed: 08/27/2023] Open
Abstract
Irradiation can be used for the preservation of chickpea protein as it can destroy microorganisms, bacteria, virus, or insects that might be present. However, irradiation may provoke oxidative stress, and therefore modify the functionality and nutritional value of chickpea protein. In order to study the effects of irradiation on the physicochemical properties and digestion behaviour of chickpea protein, chickpea protein concentrate (CPC) was treated with electron beam irradiation (EBI) at doses of 5, 10, 15, and 20 kGy. After irradiation, protein solubility first increased at 10 kGy and 15 kGy, and then decreased at the higher dose of 20 kGy. This was supported by SDS-PAGE, where the intensity of major protein bands first increased and then decreased. Increased doses of EBI generally led to greater oxidative modification of proteins in CPC, indicated by reduced sulfhydryls and increased carbonyls. In addition, the protein structure was modified by EBI as shown by Fourier transform infrared spectroscopy analysis, where α-helix generally decreased, and β-sheet increased. Although the protein digestibility was not significantly affected by EBI, the peptidomic analysis of the digests revealed significant differences among CPC irradiated with varying doses. A total of 337 peptides were identified from CPC irradiated with 0 kGy, 10 kGy, and 20 kGy, with 18 overlapping peptides and 60, 29, and 40 peptides specific to the groups of 0, 10, and 20 kGy respectively. Theoretical calculation showed that the distribution of peptide length, hydrophobicity, net charge, and C-terminal residues were affected by irradiation. The 2, 2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging activity showed a marginal decrease with an increasing dose of irradiation. In conclusion, EBI led to oxidative modification and structural changes in chickpea protein, which subsequently affected the physicochemical properties of peptides obtained from in-vitro digestion of CPC, despite similar digestibility.
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Affiliation(s)
- Yaqi Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (Y.Z.); (Y.K.); (W.X.)
| | - Yunfei Kong
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (Y.Z.); (Y.K.); (W.X.)
| | - Wanjun Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (Y.Z.); (Y.K.); (W.X.)
| | - Zhen Yang
- Key Laboratory of Nuclear Agricultural Sciences, Ministry of Agriculture and Zhejiang Province, Institute of Nuclear Agricultural Sciences, Zhejiang University, Hangzhou 310058, China;
| | - Yulong Bao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (Y.Z.); (Y.K.); (W.X.)
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Duan X, Dong Y, Zhang M, Li Z, Bu G, Chen F. Identification and molecular interactions of novel ACE inhibitory peptides from rapeseed protein. Food Chem 2023; 422:136085. [PMID: 37141758 DOI: 10.1016/j.foodchem.2023.136085] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 03/20/2023] [Accepted: 03/29/2023] [Indexed: 05/06/2023]
Abstract
Plant-derived bioactive peptides have drawn much attention because of their physiological functions. This study aimed to evaluate bioactive peptides in rapeseed protein and identify novel angiotensin Ⅰ-converting enzyme (ACE) inhibitory peptides using bioinformatics methods. A total of 24 kinds of bioactive peptides were encrypted in the 12 selected rapeseed proteins by analysis in BIOPEP-UWM, with higher occurrence frequency of dipeptidyl peptidase Ⅳ (DPP-Ⅳ) inhibitory peptides (0.5727-0.7487) and ACE inhibitory peptides (0.3500-0.5364). Novel ACE inhibitory peptides FQW, FRW and CPF were identified by in silico proteolysis, and they had strong inhibitory effects on ACE in vitro, showing IC50 values of 44.84 ± 1.48 μM, 46.30 ± 1.39 μM and 131.35 ± 3.87 μM, respectively. Molecular docking results displayed that these three peptides were able to interact with ACE active site via hydrogen bonds and hydrophobic interactions, and coordinate with Zn2+. It suggested that rapeseed protein could be a good source for the production of ACE inhibitory peptides.
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Affiliation(s)
- Xiaojie Duan
- College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Yifan Dong
- College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Min Zhang
- College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Zihui Li
- College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Guanhao Bu
- College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China.
| | - Fusheng Chen
- College of Food Science and Technology, Henan University of Technology, Zhengzhou 450001, China.
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Zhang L, Miao J, Guo J, Liu J, Xia Z, Chen B, Ma F, Cao Y. Two Novel Angiotensin I-Converting Enzyme (ACE) Inhibitory Peptides from Rice ( Oryza sativa L.) Bran Protein. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:4153-4162. [PMID: 36812450 DOI: 10.1021/acs.jafc.2c07270] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
To realize the high-value utilization of rice byproducts, the rice bran protein hydrolysate was separated and purified by ultrafiltration and reversed-phase high-performance liquid chromatography (RP-HPLC), then the sequences of peptides were identified by liquid chromatography with tandem mass spectrometry (LC-MS/MS), and their molecular docking analysis and activities in vitro and in the cell were carried out. Two novel peptides FDGSPVGY (840.3654 Da) and VFDGVLRPGQ (1086.582 Da) were obtained with IC50 values of 0.079 mg/mL (94.05 μM) and 0.093 mg/mL (85.59 μM) on angiotensin I-converting enzyme (ACE) inhibitory activity in vitro, respectively. Molecular docking results showed that two peptides interacted with ACE receptor protein through hydrogen bonding, hydrophobic interactions, etc. Through the EA.hy926 cells, it was found that FDGSPVGY and VFDGVLRPGQ could promote the release of nitric oxide (NO) and reduce the content of ET-1 to achieve the effect of antihypertension. In conclusion, the peptides from rice bran protein exhibited significant antihypertension activity and may be expected to realize the high-value utilization of rice byproducts.
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Affiliation(s)
- Lingyu Zhang
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Jianyin Miao
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Junbin Guo
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Jie Liu
- China-Canada Joint Lab of Food Nutrition and Health, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Zhen Xia
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Bingbing Chen
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Feng Ma
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
| | - Yong Cao
- Guangdong Provincial Key Laboratory of Nutraceuticals and Functional Foods, College of Food Science, South China Agricultural University, Guangzhou, Guangdong 510642, China
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Wongngam W, Hamzeh A, Tian F, Roytrakul S, Yongsawatdigul J. Purification and molecular docking of angiotensin converting enzyme-inhibitory peptides derived from corn gluten meal hydrolysate and from in silico gastrointestinal digestion. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.03.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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10
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Chen M, Wang L, Zheng C, Ma A, Hu K, Xiang A, Sun Z, Xie B, Xiong G, Shi L, Chen S, Wu W. Novel ACE inhibitory peptides derived from bighead carp (Aristichthys nobilis) hydrolysates: Screening, inhibition mechanisms and the Bioconjugation effect with graphene oxide. FOOD BIOSCI 2023. [DOI: 10.1016/j.fbio.2023.102399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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11
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Dual Bioactivity of Angiotensin Converting Enzyme Inhibition and Antioxidant Novel Tripeptides from Sipunculus nudus L. and Their Related Mechanism Analysis for Antihypertention. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-022-10470-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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12
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Boachie RT, Okagu OD, Abioye R, Hüttmann N, Oliviero T, Capuano E, Fogliano V, Udenigwe CC. Lentil Protein and Tannic Acid Interaction Limits in Vitro Peptic Hydrolysis and Alters Peptidomic Profiles of the Proteins. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6519-6529. [PMID: 35593881 DOI: 10.1021/acs.jafc.2c00197] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In this study, the nature of lentil protein-tannic acid (LPTA) interaction and its effect on in vitro pepsin digestion were investigated. LPTA mixtures containing 1% w/v LP and 0.001-0.5% TA were prepared and characterized in terms of particle size, thermal properties, and secondary and tertiary structures. A 20-fold increase in particle size was observed in LPTA0.5% compared to LP control (without TA), indicating aggregation. Static quenching of tryptophan residues within the protein hydrophobic folds was observed. Increasing TA levels also enhanced protein thermal stability. Over 50% reduction in free amino groups of LPTA 0.5%, relative to LP, was observed after pepsin digestion. Cleavage specificity of pepsin and peptidomic profile of LP were modified by the presence of TA in LPTA 0.5%. This study showed that 0.5% w/v TA induced protein aggregation and reduced LP digestibility by hindering the accessibility of pepsin to the protein network, thus modifying the profile of released peptides.
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Affiliation(s)
- Ruth T Boachie
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada
- Food Quality and Design Group, Wageningen University and Research, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
| | - Ogadimma D Okagu
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ontario K1N 5E3, Canada
| | - Raliat Abioye
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ontario K1N 5E3, Canada
| | - Nico Hüttmann
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ontario K1N 5E3, Canada
| | - Teresa Oliviero
- Food Quality and Design Group, Wageningen University and Research, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
| | - Edoardo Capuano
- Food Quality and Design Group, Wageningen University and Research, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
| | - Vincenzo Fogliano
- Food Quality and Design Group, Wageningen University and Research, P.O. Box 8129, 6700 EV Wageningen, The Netherlands
| | - Chibuike C Udenigwe
- School of Nutrition Sciences, Faculty of Health Sciences, University of Ottawa, Ottawa, Ontario K1H 8M5, Canada
- Department of Chemistry and Biomolecular Sciences, Faculty of Science, University of Ottawa, Ontario K1N 5E3, Canada
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de Matos FM, de Lacerda JTJG, Zanetti G, de Castro RJS. Production of black cricket protein hydrolysates with α-amylase, α-glucosidase and angiotensin I-converting enzyme inhibitory activities using a mixture of proteases. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102276] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Wang J, Wang G, Zhang Y, Zhang R, Zhang Y. Novel Angiotensin-Converting Enzyme Inhibitory Peptides Identified from Walnut Glutelin-1 Hydrolysates: Molecular Interaction, Stability, and Antihypertensive Effects. Nutrients 2021; 14:151. [PMID: 35011025 PMCID: PMC8747639 DOI: 10.3390/nu14010151] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/22/2021] [Accepted: 12/25/2021] [Indexed: 12/20/2022] Open
Abstract
In recent years, angiotensin-converting enzyme (ACE) inhibitory peptide has become a research hotspot because of its essential role in maintaining human blood pressure balance. In this study, two novel ACE inhibitory peptides of Val-Glu-Arg-Gly-Arg-Arg-lle-Thr-Ser-Val (Valine-Glutamate-Arginine-Glycine-Arginine-Arginine-Isoleucine-Threonine-Serine-Valine, VERGRRITSV) and Phe-Val-Ile-Glu-Pro-Asn-Ile-Thr-Pro-Ala (Phenylalanine-Valine-Isoleucine-Glutamate-Proline-Asparagine-Isoleucine-Threonine-Proline-Alanine, FVIEPNITPA) were isolated and purified from defatted walnut meal hydrolysates through a series of preparation processes including ultrafiltration, Sephadex G-15 gel chromatography, and reverse high performance liquid chromatography (RP-HPLC). Both peptides showed high ACE inhibitory activities. The molecular docking study revealed that VERGRRITSV and FVIEPNITPA were primarily attributed to the formation of strong hydrogen bonds with the active pockets of ACE. The binding free energies of VERGRRITSV and FVIEPNITPA with ACE were -14.99 and -14.69 kcal/mol, respectively. Moreover, these ACE inhibitory peptides showed good stability against gastrointestinal enzymes digestion and common food processing conditions (e.g., temperature and pH, sugar, and salt treatments). Furthermore, animal experiment results indicated that the administration of VERGRRITSV or FVIEPNITPA exhibited antihypertensive effects in spontaneously hypertensive rats. Our results demonstrated that walnut could be a potential source of bioactive peptides with ACE inhibitory activity.
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Affiliation(s)
- Jing Wang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (J.W.); (G.W.); (Y.Z.); (R.Z.)
- College of Life Sciences and Food Engineering, Shaanxi Xueqian Normal University, Xi’an 710100, China
- The Key Laboratory of Se-Enriched Products Development and Quality Control, Ministry of Agriculture, Ankang 725000, China
| | - Guoliang Wang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (J.W.); (G.W.); (Y.Z.); (R.Z.)
| | - Yufeng Zhang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (J.W.); (G.W.); (Y.Z.); (R.Z.)
- Hainan Engineering Center of Coconut Further Processing, Coconut Research Institute of Chinese Academy of Tropical Agricultural Sciences, Wenchang 571339, China
| | - Runguang Zhang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (J.W.); (G.W.); (Y.Z.); (R.Z.)
| | - Youlin Zhang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an 710119, China; (J.W.); (G.W.); (Y.Z.); (R.Z.)
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15
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Bioactive peptides from yeast: A comparative review on production methods, bioactivity, structure-function relationship, and stability. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.10.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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16
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Lagoutte-Renosi J, Allemand F, Ramseyer C, Yesylevskyy S, Davani S. Molecular modeling in cardiovascular pharmacology: Current state of the art and perspectives. Drug Discov Today 2021; 27:985-1007. [PMID: 34863931 DOI: 10.1016/j.drudis.2021.11.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 11/02/2021] [Accepted: 11/25/2021] [Indexed: 01/10/2023]
Abstract
Molecular modeling in pharmacology is a promising emerging tool for exploring drug interactions with cellular components. Recent advances in molecular simulations, big data analysis, and artificial intelligence (AI) have opened new opportunities for rationalizing drug interactions with their pharmacological targets. Despite the obvious utility and increasing impact of computational approaches, their development is not progressing at the same speed in different fields of pharmacology. Here, we review current in silico techniques used in cardiovascular diseases (CVDs), cardiological drug discovery, and assessment of cardiotoxicity. In silico techniques are paving the way to a new era in cardiovascular medicine, but their use somewhat lags behind that in other fields.
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Affiliation(s)
- Jennifer Lagoutte-Renosi
- EA 3920 Université Bourgogne Franche-Comté, 25000 Besançon, France; Laboratoire de Pharmacologie Clinique et Toxicologie-CHU de Besançon, 25000 Besançon, France
| | - Florentin Allemand
- EA 3920 Université Bourgogne Franche-Comté, 25000 Besançon, France; Laboratoire Chrono Environnement UMR CNRS 6249, Université de Bourgogne Franche-Comté, 16 route de Gray, 25000 Besançon, France
| | - Christophe Ramseyer
- Laboratoire Chrono Environnement UMR CNRS 6249, Université de Bourgogne Franche-Comté, 16 route de Gray, 25000 Besançon, France
| | - Semen Yesylevskyy
- Laboratoire Chrono Environnement UMR CNRS 6249, Université de Bourgogne Franche-Comté, 16 route de Gray, 25000 Besançon, France; Department of Physics of Biological Systems, Institute of Physics of The National Academy of Sciences of Ukraine, Nauky Sve. 46, Kyiv, Ukraine; Receptor.ai inc, 16192 Coastal Highway, Lewes, DE, USA
| | - Siamak Davani
- EA 3920 Université Bourgogne Franche-Comté, 25000 Besançon, France; Laboratoire de Pharmacologie Clinique et Toxicologie-CHU de Besançon, 25000 Besançon, France.
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17
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Ding Q, Sheikh AR, Chen Q, Hu Y, Sun N, Su X, Luo L, Ma H, He R. Understanding the Mechanism for the Structure-Activity Relationship of Food-Derived ACEI Peptides. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1936005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Qingzhi Ding
- Department of Food Science and biological engineering , Jiangsu University, Zhenjiang, China
- Department of Institute of Food Physical Processing, Jiangsu University, Zhenjiang, China
| | - Arooj Rehman Sheikh
- Department of Food Science and biological engineering , Jiangsu University, Zhenjiang, China
| | - Qian Chen
- Department of Food Science and biological engineering , Jiangsu University, Zhenjiang, China
| | - Yize Hu
- Department of Food Science and biological engineering , Jiangsu University, Zhenjiang, China
| | - Nianzhen Sun
- Department of Food Science and biological engineering , Jiangsu University, Zhenjiang, China
| | - Xiaodong Su
- Department of Food Science and biological engineering , Jiangsu University, Zhenjiang, China
| | - Lin Luo
- Department of Food Science and biological engineering , Jiangsu University, Zhenjiang, China
- Department of Institute of Food Physical Processing, Jiangsu University, Zhenjiang, China
| | - Haile Ma
- Department of Food Science and biological engineering , Jiangsu University, Zhenjiang, China
- Department of Institute of Food Physical Processing, Jiangsu University, Zhenjiang, China
| | - Ronghai He
- Department of Food Science and biological engineering , Jiangsu University, Zhenjiang, China
- Department of Institute of Food Physical Processing, Jiangsu University, Zhenjiang, China
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18
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Xue L, Yin R, Howell K, Zhang P. Activity and bioavailability of food protein-derived angiotensin-I-converting enzyme-inhibitory peptides. Compr Rev Food Sci Food Saf 2021; 20:1150-1187. [PMID: 33527706 DOI: 10.1111/1541-4337.12711] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 12/11/2020] [Accepted: 12/11/2020] [Indexed: 12/22/2022]
Abstract
Angiotensin-I-converting enzyme (ACE) inhibitory peptides are able to inhibit the activity of ACE, which is the key enzymatic factor mediating systemic hypertension. ACE-inhibitory peptides can be obtained from edible proteins and have the function of antihypertension. The amino acid sequences and the secondary structures of ACE-inhibitory peptides determine the inhibitory activities and stability. The resistance of ACE-inhibitory peptides to digestive enzymes and peptidase affect their antihypertensive bioactivity in vivo. In this paper, the mechanism of ACE-inhibition, sources of the inhibitory peptides, structure-activity relationships, stability during digestion, absorption and transportation of ACE-inhibitory peptides, and consumption of ACE-inhibitory peptides are reviewed, which provide guidance to the development of new functional foods and production of antihypertensive nutraceuticals and pharmaceuticals.
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Affiliation(s)
- Lu Xue
- College of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin, China.,School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Rongxin Yin
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Kate Howell
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Pangzhen Zhang
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria, Australia
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19
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Lu X, Jia C, Gao J, Wang R, Zhang L, Sun Q, Huang J. Structure–activity relationship and molecular docking analysis of cysteine‐containing dipeptides as antioxidant and ACE inhibitory. Int J Food Sci Technol 2020. [DOI: 10.1111/ijfs.14914] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Xin Lu
- Research Center for Agricultural and Sideline Products Processing Henan Academy of Agricultural Sciences 116 Park Road Zhengzhou450002China
| | - Cong Jia
- Research Center for Agricultural and Sideline Products Processing Henan Academy of Agricultural Sciences 116 Park Road Zhengzhou450002China
| | - Jinhong Gao
- Research Center for Agricultural and Sideline Products Processing Henan Academy of Agricultural Sciences 116 Park Road Zhengzhou450002China
| | - Ruidan Wang
- Research Center for Agricultural and Sideline Products Processing Henan Academy of Agricultural Sciences 116 Park Road Zhengzhou450002China
| | - Lixia Zhang
- Research Center for Agricultural and Sideline Products Processing Henan Academy of Agricultural Sciences 116 Park Road Zhengzhou450002China
| | - Qiang Sun
- Research Center for Agricultural and Sideline Products Processing Henan Academy of Agricultural Sciences 116 Park Road Zhengzhou450002China
| | - Jinian Huang
- Research Center for Agricultural and Sideline Products Processing Henan Academy of Agricultural Sciences 116 Park Road Zhengzhou450002China
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20
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Mirzaei M, Mirdamadi S, Safavi M. Structural analysis of ACE-inhibitory peptide (VL-9) derived from Kluyveromyces marxianus protein hydrolysate. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128199] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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21
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The stability of antioxidant and ACE-inhibitory peptides as influenced by peptide sequences. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109710] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Jakubczyk A, Karaś M, Rybczyńska-Tkaczyk K, Zielińska E, Zieliński D. Current Trends of Bioactive Peptides-New Sources and Therapeutic Effect. Foods 2020; 9:E846. [PMID: 32610520 PMCID: PMC7404774 DOI: 10.3390/foods9070846] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/19/2020] [Accepted: 06/22/2020] [Indexed: 12/13/2022] Open
Abstract
Generally, bioactive peptides are natural compounds of food or part of protein that are inactive in the precursor molecule. However, they may be active after hydrolysis and can be transported to the active site. Biologically active peptides can also be synthesized chemically and characterized. Peptides have many properties, including antihypertensive, antioxidant, antimicrobial, anticoagulant, and chelating effects. They are also responsible for the taste of food or for the inhibition of enzymes involved in the development of diseases. The scientific literature has described many peptides with bioactive properties obtained from different sources. Information about the structure, origin, and properties of peptides can also be found in many databases. This review will describe peptides inhibiting the development of current diseases, peptides with antimicrobial properties, and new alternative sources of peptides based on the current knowledge and documentation of their bioactivity. All these issues are part of modern research on peptides and their use in current health or technological problems in food production.
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Affiliation(s)
- Anna Jakubczyk
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, 20-704 Lublin, Poland;
| | - Monika Karaś
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, 20-704 Lublin, Poland;
| | - Kamila Rybczyńska-Tkaczyk
- Department of Environmental Microbiology, University of Life Sciences in Lublin, 20-069 Lublin, Poland;
| | - Ewelina Zielińska
- Department of Analysis and Evaluation of Food Quality, University of Life Sciences in Lublin, 20-704 Lublin, Poland;
| | - Damian Zieliński
- Department of Animal Ethology and Wildlife Management, University of Life Sciences in Lublin, 20-950 Lublin, Poland;
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23
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Złotek U, Jakubczyk A, Rybczyńska-Tkaczyk K, Ćwiek P, Baraniak B, Lewicki S. Characteristics of New Peptides GQLGEHGGAGMG, GEHGGAGMGGGQFQPV, EQGFLPGPEESGR, RLARAGLAQ, YGNPVGGVGH, and GNPVGGVGHGTTGT as Inhibitors of Enzymes Involved in Metabolic Syndrome and Antimicrobial Potential. Molecules 2020; 25:E2492. [PMID: 32471271 PMCID: PMC7321301 DOI: 10.3390/molecules25112492] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/20/2020] [Accepted: 05/27/2020] [Indexed: 01/02/2023] Open
Abstract
The aim of this study was to determine the cytotoxic properties, influence on enzyme activity involved in metabolic syndrome, and antimicrobial activity of synthetic peptides with GQLGEHGGAGMG, GEHGGAGMGGGQFQPV, EQGFLPGPEESGR, RLARAGLAQ, YGNPVGGVGH, and GNPVGGVGHGTTGT sequences. Peptides have no cytotoxic effect on cells. The highest inhibitory effect on angiotensin converting enzyme I was noted for peptide GT-14 (IC50 = 525.63 µg/mL). None of the tested peptides had an influence on α-glucosidase. The highest α-amylase and lipase inhibitory activity was noted for GG-12 (IC50 = 56.72 and 60.62 µg/mL, respectively). The highest lipoxidase inhibitory activity was determined for peptide ER-13 (IC50 = 84.35 µg/mL). Peptide RQ-9 was characterized by the highest COX inhibitory activity (0.31 and 4.77 µg/mL for COX-1 and COX-2, respectively). Only peptide RQ-9 inhibited S. enteritidis ATCC 4931 growth (42%-48%) in all tested concentrations (15.62-250 mg/mL).
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Affiliation(s)
- Urszula Złotek
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, Skromna 8, 20-704 Lublin, Poland; (U.Z.); (P.Ć.); (B.B.)
| | - Anna Jakubczyk
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, Skromna 8, 20-704 Lublin, Poland; (U.Z.); (P.Ć.); (B.B.)
| | - Kamila Rybczyńska-Tkaczyk
- Department of Environmental Microbiology, University of Life Sciences in Lublin, St. Leszczyńskiego 7, 20-069 Lublin, Poland
| | - Paula Ćwiek
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, Skromna 8, 20-704 Lublin, Poland; (U.Z.); (P.Ć.); (B.B.)
| | - Barbara Baraniak
- Department of Biochemistry and Food Chemistry, University of Life Sciences in Lublin, Skromna 8, 20-704 Lublin, Poland; (U.Z.); (P.Ć.); (B.B.)
| | - Sławomir Lewicki
- Department of Regenerative Medicine and Cell Biology, Military Institute of Hygiene and Epidemiology, Kozielska 4, 01-163 Warsaw, Poland;
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Wang R, Lu X, Sun Q, Gao J, Ma L, Huang J. Novel ACE Inhibitory Peptides Derived from Simulated Gastrointestinal Digestion in Vitro of Sesame ( Sesamum indicum L.) Protein and Molecular Docking Study. Int J Mol Sci 2020; 21:E1059. [PMID: 32033479 PMCID: PMC7037947 DOI: 10.3390/ijms21031059] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Revised: 02/02/2020] [Accepted: 02/03/2020] [Indexed: 01/31/2023] Open
Abstract
The aim of this study was to isolate and identify angiotensin I-converting enzyme (ACE) inhibitory peptides from sesame protein through simulated gastrointestinal digestion in vitro, and to explore the underlying mechanisms by molecular docking. The sesame protein was enzymatically hydrolyzed by pepsin, trypsin, and α-chymotrypsin. The degree of hydrolysis (DH) and peptide yield increased with the increase of digest time. Moreover, ACE inhibitory activity was enhanced after digestion. The sesame protein digestive solution (SPDS) was purified by ultrafiltration through different molecular weight cut-off (MWCO) membranes and SPDS-VII (< 3 kDa) had the strongest ACE inhibition. SPDS-VII was further purified by NGC Quest™ 10 Plus Chromatography System and finally 11 peptides were identified by Nano UHPLC-ESI-MS/MS (nano ultra-high performance liquid chromatography-electrospray ionization mass spectrometry/mass spectrometry) from peak 4. The peptide GHIITVAR from 11S globulin displayed the strongest ACE inhibitory activity (IC50 = 3.60 ± 0.10 μM). Furthermore, the docking analysis revealed that the ACE inhibition of GHIITVAR was mainly attributed to forming very strong hydrogen bonds with the active sites of ACE. These results identify sesame protein as a rich source of ACE inhibitory peptides and further indicate that GHIITVAR has the potential for development of new functional foods.
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Affiliation(s)
| | | | | | | | | | - Jinian Huang
- Research Center for Agricultural and Sideline Products Processing, Henan Academy of Agricultural Sciences, Zhengzhou 450002, China; (R.W.); (X.L.); (Q.S.); (J.G.); (L.M.)
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