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Yin H, Zhu J, Zhong Y, Wang D, Deng Y. Kinetic and thermodynamic-based studies on the interaction mechanism of novel R. roxburghii seed peptides against pancreatic lipase and cholesterol esterase. Food Chem 2024; 447:139006. [PMID: 38492305 DOI: 10.1016/j.foodchem.2024.139006] [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: 11/25/2023] [Revised: 03/02/2024] [Accepted: 03/09/2024] [Indexed: 03/18/2024]
Abstract
Pancreatic lipase (PL) and cholesterol esterase (CE) are vital digestive enzymes that regulate lipid digestion. Three bioactive peptides (LFCMH, RIPAGSPF, YFRPR), possessing enzyme inhibitory activities, were identified in the seed proteins of R. roxburghii. It is hypothesized that these peptides could inhibit the activities of these enzymes by binding to their active sites or altering their conformation. The results showed that LFCMH exhibited superior inhibitory activity against these enzymes compared to the other peptides. The inhibition mechanisms of the three peptides were identified as either competitive or mixed, according to inhibition models. Further studies have shown that peptides could bind to the active sites of enzymes, thus affecting their spatial conformation and restricting substrate entry into the active site. Molecular simulation further proved that hydrogen bonds and hydrophobic interactions played a vital role in the binding of peptides to enzymes. This study enriches our understanding of interaction mechanisms of peptides on PL and CE.
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Affiliation(s)
- Hao Yin
- Department of Food Science & Technology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China; Shanghai Jiao Tong University Yunnan (Dali) Research Institute, Dali, Yunnan 671000, China
| | - Jiangxiong Zhu
- Department of Food Science & Technology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Yu Zhong
- Department of Food Science & Technology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Danfeng Wang
- Department of Food Science & Technology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Yun Deng
- Department of Food Science & Technology, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China; Shanghai Jiao Tong University Yunnan (Dali) Research Institute, Dali, Yunnan 671000, China.
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2
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Pipaliya R, Basaiawmoit B, Sakure AA, Maurya R, Bishnoi M, Kondepudi KK, Padhi S, Rai AK, Liu Z, Sarkar P, Hati S. Production and characterization of anti-hypertensive and anti-diabetic peptides from fermented sheep milk with anti-inflammatory activity: in vitro and molecular docking studies. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024. [PMID: 38855927 DOI: 10.1002/jsfa.13617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2024] [Revised: 05/09/2024] [Accepted: 05/18/2024] [Indexed: 06/11/2024]
Abstract
BACKGROUND The present study aimed to evaluate the anti-hypertensive and anti-diabetic activities from biologically active peptides produced by fermented sheep milk with Lacticaseibacillus paracasei M11 (MG027695), as well as to purify and characterize the angiotensin-converting enzyme (ACE) inhibitory and anti-diabetic peptides produced from fermented sheep milk. RESULTS After 48 h of fermentation at 37 °C, sheep milk demonstrated significant changes in anti-diabetic effects and ACE-I effects, with inhibition percentages observed for ACE inhibition (76.32%), α-amylase (70.13%), α-glucosidase (70.11%) and lipase inhibition (68.22%). The highest level of peptides (9.77 mg mL-1) was produced by optimizing the growth conditions, which included an inoculation rate of 2.5% and a 48 h of incubation period. The comparison of molecular weight distributions among protein fractions was conducted through sodium dodecyl-sulfate polyacrylamide gel electrophoresis analysis, whereas spots were separated using 2D gel electrophoresis according to both the molecular weight and pH. Peptide characterization with ultra-filtration membranes at 3 and 10 kDa allowed the study to assess molecular weight-based separation. Nitric oxide generated by lipopolysaccharide and the secretion of pro-inflammatory cytokines in RAW 264.7 immune cells were both inhibited by sheep milk fermented with M11. Fourier-transform infrared spectroscopy was employed to assess changes in functional groups after fermentation, providing insights into the structural changes occurring during fermentation. CONCLUSION The present study demonstrates that fermentation with L. paracasei (M11) led to significant changes in fermented sheep milk, enhancing its bioactive properties, notably in terms of ACE inhibition and anti-diabetic activities, and the generation of peptides with bioactive properties has potential health benefits. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Rinkal Pipaliya
- Department of Dairy Microbiology, SMC College of Dairy Science, Kamdhenu University, Anand, India
| | - Bethsheba Basaiawmoit
- Department of Rural Development and Agricultural Production, North-Eastern Hill University, Tura Campus, Chasingre, India
| | - Amar A Sakure
- Department of Agriculture Biotechnology, Anand Agricultural University, Anand, India
| | - Ruchika Maurya
- Regional Center for Biotechnology, Faridabad, India
- Healthy Gut Research Group, Food & Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, SAS Nagar, India
| | - Mahendra Bishnoi
- Healthy Gut Research Group, Food & Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, SAS Nagar, India
| | - Kanthi Kiran Kondepudi
- Healthy Gut Research Group, Food & Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, SAS Nagar, India
| | - Srichandan Padhi
- Food & Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, SAS Nagar, India
| | - Amit Kumar Rai
- Food & Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, SAS Nagar, India
| | - Zhenbin Liu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Preetam Sarkar
- Department of Food Process Engineering, National Institute of Technology, Rourkela, India
| | - Subrota Hati
- Department of Dairy Microbiology, SMC College of Dairy Science, Kamdhenu University, Anand, India
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3
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Esfandi R, Willmore WG, Tsopmo A. Structural characterization of peroxyl radical oxidative products of antioxidant peptides from hydrolyzed proteins. Heliyon 2024; 10:e30588. [PMID: 38765145 PMCID: PMC11101819 DOI: 10.1016/j.heliyon.2024.e30588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/23/2024] [Accepted: 04/29/2024] [Indexed: 05/21/2024] Open
Abstract
This work aimed to characterize oxidative products of five unique antioxidant peptides (P1: YFDEQNEQFR, P2: GQLLIVPQ, P3: SPFWNINAH, P4: NINAHSVVY, P5: RALPIDVL) from hydrolyzed oat proteins. Peptides were reacted with 2,2'-Azobis(2-amidinopropane) dihydrochloride, a common peroxyl radical generator. Chromatographic data showed that peptide P3 was the most oxidized (67 ± 4 %) while also displaying the most ability to scavenge radicals in the oxygen absorbance capacity assay (ORAC) with an activity of 2.16 ± 0.09 μM Trolox equivalents/μM peptide. Structural characterization using mass spectrometry showed the presence of four oxidative products of P3, three of which were mono-oxygenated and the fourth di-oxygenated. The identification of these oxidative products is new and provides an opportunity to investigate their biological function. A good correlation (r = 0.889) between the degree of oxidation and the ORAC data, demonstrates the usefulness of using oxidative peptide data to predict their radical scavenging activities.
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Affiliation(s)
- Ramak Esfandi
- Food Science and Nutrition Program, Department of Chemistry, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada
| | - William G. Willmore
- Food Science and Nutrition Program, Department of Chemistry, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada
- Department of Biology, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada
- Institute of Biochemistry, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada
| | - Apollinaire Tsopmo
- Food Science and Nutrition Program, Department of Chemistry, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada
- Institute of Biochemistry, Carleton University, 1125 Colonel By Drive, Ottawa, Ontario K1S 5B6, Canada
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4
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Pipaliya R, Basaiawmoit B, Sakure AA, Maurya R, Bishnoi M, Kondepudi KK, Singh BP, Paul S, Liu Z, Sarkar P, Patel A, Hati S. Peptidomics-based identification of antihypertensive and antidiabetic peptides from sheep milk fermented using Limosilactobacillus fermentum KGL4 MTCC 25515 with anti-inflammatory activity: in silico, in vitro, and molecular docking studies. Front Chem 2024; 12:1389846. [PMID: 38746020 PMCID: PMC11091447 DOI: 10.3389/fchem.2024.1389846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 04/01/2024] [Indexed: 05/16/2024] Open
Abstract
This study investigated the synthesis of bioactive peptides from sheep milk through fermentation with Limosilactobacillus fermentum KGL4 MTCC 25515 strain and assessed lipase inhibition, ACE inhibition, α-glucosidase inhibition, and α-amylase inhibition activities during the fermentation process. The study observed the highest activities, reaching 74.82%, 70.02%, 72.19%, and 67.08% (lipase inhibition, ACE inhibition, α-glucosidase inhibition, and α-amylase inhibition) after 48 h at 37°C, respectively. Growth optimization experiments revealed that a 2.5% inoculation rate after 48 h of fermentation time resulted in the highest proteolytic activity at 9.88 mg/mL. Additionally, fractions with less than 3 kDa of molecular weight exhibited superior ACE-inhibition and anti-diabetic activities compared to other fractions. Fermentation of sheep milk with KGL4 led to a significant reduction in the excessive production of NO, TNF-α, IL-6, and IL-1β produced in RAW 267.4 cells upon treatment with LPS. Peptides were purified utilizing SDS-PAGE and electrophoresis on 2D gels, identifying a maximum number of proteins bands ranging 10-70 kDa. Peptide sequences were cross-referenced with AHTPDB and BIOPEP databases, confirming potential antihypertensive and antidiabetic properties. Notably, the peptide (GPFPILV) exhibited the highest HPEPDOCK score against both α-amylase and ACE.
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Affiliation(s)
- Rinkal Pipaliya
- Department of Dairy Microbiology, SMC College of Dairy Science, Kamdhenu University, Anand, Gujarat, India
| | - Bethsheba Basaiawmoit
- Department of Rural Development and Agricultural Production, North-Eastern Hill University, Tura Campus, Chasingre, Meghalaya, India
| | - Amar A. Sakure
- Departmentof Agriculture Biotechnology, Anand Agricultural University, Anand, Gujarat, India
| | - Ruchika Maurya
- Regional Center for Biotechnology, Faridabad, Haryana, India
- Healthy Gut Research Group, Food and Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, SAS Nagar, Punjab, India
| | - Mahendra Bishnoi
- Healthy Gut Research Group, Food and Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, SAS Nagar, Punjab, India
| | - Kanthi Kiran Kondepudi
- Healthy Gut Research Group, Food and Nutritional Biotechnology Division, National Agri-Food Biotechnology Institute, SAS Nagar, Punjab, India
| | - Brij Pal Singh
- Department of Microbiology, School of Interdisciplinary and Applied Sciences, Central University of Haryana, Mahendergarh, India
| | - Souparno Paul
- Department of Microbiology, School of Interdisciplinary and Applied Sciences, Central University of Haryana, Mahendergarh, India
| | - Zhenbin Liu
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi’an, China
| | - Preetam Sarkar
- Department of Food Process Engineering, National Institute of Technology, Rourkela, India
| | - Ashish Patel
- Department of Animal Genetics and Breeding, College of Veterinary Science, Kamdhenu University, Anand, Gujarat, India
| | - Subrota Hati
- Department of Dairy Microbiology, SMC College of Dairy Science, Kamdhenu University, Anand, Gujarat, India
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Ahmed N, Asif S, Arfan M, Mahmood Q, Islam A, Gatasheh MK, Zia M. Synthesis and Characterization of Short α and β-Mixed Peptides with Excellent Anti-Lipase Activities. Molecules 2024; 29:765. [PMID: 38398517 PMCID: PMC10892623 DOI: 10.3390/molecules29040765] [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: 12/01/2023] [Revised: 01/22/2024] [Accepted: 01/29/2024] [Indexed: 02/25/2024] Open
Abstract
Obesity is a source of significant pathologies and deadly diseases, including heart disease, diabetes, and cancer. One of the most intriguing strategies in the hunt for new anti-obesity medications is the inhibition of pancreatic lipase (PL). This study presents a novel application of short α and β-mixed peptides as pancreatic lipase inhibitors. These peptides were synthesized in the solution phase and characterized using FTIR and 1H-NMR. L-proline is present in a high percentage of natural anti-lipase peptides and was used as a β-amino acid in this study to enhance anti-lipase activity and proteolytic stability. Moreover, L-α-proline was converted to β-amino acid derivatives using the Arndt-Eistert method with the advantage of stereo control at the α-carbon. The synthesized peptides with anti-lipase activity are N-Boc-β-Pro-Gly-OBz (93%), N-Boc-O-Bz-Tyr-β-Pro-β-Pro-Gly-OBz (92%), N-Boc-O-Bz-Tyr-β-Pro-COOH (91%), N-Boc-Phe-β-Pro-OCH3 (90%), and N-Boc-O-Bz-Tyr-β-Pro-OCH3 (89%). These peptides may function as lead molecules for further modification to more significant molecules, which can help control obesity.
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Grants
- RSP2024R393 King Saud University
- 9ebfe58b5d63cfdf,0fc4036025155e1a,3a852f3e85a2433b,ffc04817768e29d8,1eae9545a3244bed,db5d8742b53a782c,fc9of098bf237c77,8ce5883758852285 Qaiser Mahmood
- 0bb1baa309ebdbb0,6a5aa5d7ed313e53,61843063f3444df7,58875d947b81e726,615b239e803be0b0,45e50be7ef0245f1,c5d9a4fe383b609e,0ceab0ce3ca2061e Amjad Islam
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Affiliation(s)
- Naeem Ahmed
- Department of Chemistry, School of Natural Sciences, National University of Sciences and Technology, Islamabad 44000, Pakistan;
| | - Sabahat Asif
- Department of Chemistry and Chemical Engineering, Syed Babar Ali School of Science and Engineering, Lahore University of Management Sciences (LUMS), Lahore 54792, Pakistan;
| | - Muhammad Arfan
- Department of Chemistry, School of Natural Sciences, National University of Sciences and Technology, Islamabad 44000, Pakistan;
| | - Qaiser Mahmood
- Chemistry and Chemical Engineering Guangdong Laboratory, Shantou 515031, China;
| | - Amjad Islam
- Key Laboratory for Preparation and Application of Ordered Structured Materials of Guangdong Province, College of Chemistry and Chemical Engineering, Shantou University, Shantou 515063, China;
| | - Mansour K. Gatasheh
- Department of Biochemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia;
| | - Muhammad Zia
- Department of Biotechnology, Quaid-i-Azam University, Islamabad 45320, Pakistan;
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6
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Zhang Y, Li Y, Quan Z, Xiao P, Duan JA. New Insights into Antioxidant Peptides: An Overview of Efficient Screening, Evaluation Models, Molecular Mechanisms, and Applications. Antioxidants (Basel) 2024; 13:203. [PMID: 38397801 PMCID: PMC10886007 DOI: 10.3390/antiox13020203] [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: 01/11/2024] [Revised: 02/03/2024] [Accepted: 02/03/2024] [Indexed: 02/25/2024] Open
Abstract
Antioxidant peptides are currently a hotspot in food science, pharmaceuticals, and cosmetics. In different fields, the screening, activity evaluation, mechanisms, and applications of antioxidant peptides are the pivotal areas of research. Among these topics, the efficient screening of antioxidant peptides stands at the forefront of cutting-edge research. To this end, efficient screening with novel technologies has significantly accelerated the research process, gradually replacing the traditional approach. After the novel antioxidant peptides are screened and identified, a time-consuming activity evaluation is another indispensable procedure, especially in in vivo models. Cellular and rodent models have been widely used for activity evaluation, whilst non-rodent models provide an efficient solution, even with the potential for high-throughput screening. Meanwhile, further research of molecular mechanisms can elucidate the essence underlying the activity, which is related to several signaling pathways, including Keap1-Nrf2/ARE, mitochondria-dependent apoptosis, TGF-β/SMAD, AMPK/SIRT1/PGC-1α, PI3K/Akt/mTOR, and NF-κB. Last but not least, antioxidant peptides have broad applications in food manufacture, therapy, and the cosmetics industry, which requires a systematic review. This review introduces novel technologies for the efficient screening of antioxidant peptides, categorized with a new vision. A wide range of activity evaluation assays, encompassing cellular models, as well as rodent and non-rodent models, are provided in a comprehensive manner. In addition, recent advances in molecular mechanisms are analyzed with specific cases. Finally, the applications of antioxidant peptides in food production, therapy, and cosmetics are systematically reviewed.
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Affiliation(s)
| | | | | | - Ping Xiao
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, and Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, China; (Y.Z.); (Y.L.); (Z.Q.)
| | - Jin-Ao Duan
- Jiangsu Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, National and Local Collaborative Engineering Center of Chinese Medicinal Resources Industrialization and Formulae Innovative Medicine, and Jiangsu Key Laboratory for High Technology Research of TCM Formulae, Nanjing University of Chinese Medicine, Nanjing 210023, China; (Y.Z.); (Y.L.); (Z.Q.)
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7
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Yang L, Cao S, Xie M, Shi T. Virtual screening, activity evaluation, and stability of pancreatic lipase inhibitors in the gastrointestinal degradation of nattokinase. Heliyon 2024; 10:e24868. [PMID: 38312550 PMCID: PMC10835311 DOI: 10.1016/j.heliyon.2024.e24868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 01/13/2024] [Accepted: 01/16/2024] [Indexed: 02/06/2024] Open
Abstract
Nattokinase is an alkaline serine protease secreted by natto during fermentation. Despite its good thrombolytic effect, it is intolerant to gastrointestinal conditions and is easily digested and degraded into polypeptides, oligopeptides, and amino acids. However, whether these peptides inhibit fat-digesting enzymes and other biological activities remains unknown. To explore the bioactivity of peptides produced through nattokinase degradation, nattokinase was subjected to simulated digestion in the gastrointestinal tract, and 41 small peptides were obtained through the enzymolysis of gastric enzymes, pancreases, and chymotrypsin. Four pancreatic lipase (PL) inhibitory peptides (SW, ASF, GAY, and PGGTY) were selected based on their activity scores, water solubility, and toxicity predictions. The molecular docking results revealed that hydrogen bonds and electrostatic interactions were the main forces for inhibiting PL activity. The results of enzyme activity verification revealed that all four peptides inhibited PL activity. Among them, GAY exhibited the strongest inhibitory effect, with an inhibitory rate of 10.93 % at a concentration of 1 mg/mL. Molecular dynamics simulations confirmed that the GAY-1ETH complex demonstrated good stability. Natto foods containing nattokinase own the activity of inhibiting fat-digesting enzymes and show antiobesity potentials.
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Affiliation(s)
- Lina Yang
- Food and Processing Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang, Liaoning, 110161, China
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning, 121013, China
| | - Shufang Cao
- College of Food Science and Engineering, Bohai University, Jinzhou, Liaoning, 121013, China
| | - Mengxi Xie
- Food and Processing Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang, Liaoning, 110161, China
| | - Taiyuan Shi
- Food and Processing Research Institute, Liaoning Academy of Agricultural Sciences, Shenyang, Liaoning, 110161, China
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8
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Li W, Yang S, An J, Wang M, Li H, Liu X. Statistical Characterization of Food-Derived α-Amylase Inhibitory Peptides: Computer Simulation and Partial Least Squares Regression Analysis. Molecules 2024; 29:395. [PMID: 38257308 PMCID: PMC10819330 DOI: 10.3390/molecules29020395] [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: 12/07/2023] [Revised: 01/04/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
α-Amylase inhibitory peptides are used to treat diabetes, but few studies have statistically characterized their interaction with α-amylase. This study performed the molecular docking of α-amylase with inhibitory peptides from published papers. The key sites, side chain chargeability, and hydrogen bond distribution characteristics were analyzed. Molecular dynamics simulated the role of key sites in complex stability. Moreover, partial least squares regression (PLSR) was used to analyze the contribution of different amino acids in the peptides to inhibition. The results showed that, for the α-amylase molecule, His201 and Gln63, with the highest interaction numbers (INs, 15, 15) and hydrogen bond values (HBVs, 11.50, 10.33), are the key sites on α-amylase, and amino acids with positively charged side chains were important for inhibitory activity. For the inhibitory peptides, Asp and Arg had the highest HBVs, and amino acids with charged side chains were more likely to form hydrogen bonds and exert inhibitory activity. In molecular dynamics simulations, peptides involving key binding sites formed more stable complexes with α-amylase than α-amylase alone, suggesting enhanced inhibitory effects. Further, PLSR results showed that amino acids close to the N-terminus of the inhibitory peptide, located in the third and fifth positions, were significantly correlated with its inhibitory activity. In conclusion, this study provides a new approach to developing and screening α-amylase inhibitors.
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Affiliation(s)
- Wenhui Li
- China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Shangci Yang
- China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University (BTBU), Beijing 100048, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiulong An
- China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Min Wang
- China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - He Li
- China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University (BTBU), Beijing 100048, China
| | - Xinqi Liu
- China Food Flavor and Nutrition Health Innovation Center, Beijing Technology and Business University (BTBU), Beijing 100048, China
- National Soybean Processing Industry Technology Innovation Center, Beijing Technology and Business University (BTBU), Beijing 100048, China
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9
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Yılmaz B, Sırbu A, Altıntaş Başar HB, Goksen G, Chabı IB, Kumagaı H, Ozogul F. Potential roles of cereal bioactive compounds in the prevention and treatment of type 2 diabetes: A review of the current knowledge. Crit Rev Food Sci Nutr 2023:1-18. [PMID: 38148641 DOI: 10.1080/10408398.2023.2292790] [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: 12/28/2023]
Abstract
Diabetes is one of the most common non-communicable diseases in both developed and underdeveloped countries with a 9.3% prevalence. Unhealthy diets and sedentary lifestyles are among the most common reasons for type 2 diabetes mellitus (T2DM). Diet plays a crucial role in both the etiology and treatment of T2DM. There are several recommendations regarding the carbohydrate intake of patients with T2DM. One of them is about reducing the total carbohydrate intake and/or changing the type of carbohydrate to reduce the glycaemic index. Cereals are good sources of carbohydrates in the diet with a significant amount of soluble and non-soluble fiber content. Apart from fiber, it has been shown that the bioactive compounds present in cereals such as proteins, phenolic compounds, carotenoids, and tocols have beneficial impacts in the prevention and treatment of T2DM. Moreover, cereal by-products especially the by-products of milling processes, which are bran and germ, have been reported to have anti-diabetic activities mainly because of their fiber and polyphenols content. Considering the potential functions of cereals in patients with T2DM, this review focuses on the roles of cereal bioactive compounds in the prevention and treatment of type 2 diabetes.
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Affiliation(s)
- Birsen Yılmaz
- Department of Biological Sciences, Tata Institute of Fundamental Research, Hyderabad, India
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Çukurova University, Adana, Türkiye
| | - Alexandrina Sırbu
- FMMAE Ramnicu Valcea, Constantin Brancoveanu University of Pitesti, Valcea, Romania
| | | | - Gülden Goksen
- Department of Food Technology, Vocational School of Technical Sciences at Mersin Tarsus Organized Industrial Zone, Tarsus University, Mersin, Türkiye
| | - Ifagbémi Bienvenue Chabı
- Laboratory of Human Nutrition and Valorization of Food Bio-Ingredients, Faculty of Agricultural Sciences, University of Abomey-Calavi, Jericho Cotonou, Benin
| | - Hitomi Kumagaı
- Nihon University College of Bioresource Sciences Graduate School of Bioresource Sciences, Fujisawa, Japan
| | - Fatih Ozogul
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, Adana, Türkiye
- Biotechnology Research and Application Center, Cukurova University, Adana, Turkiye
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10
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Tang X, Chen X, Wang H, Yang J, Li L, Zhu J, Liu Y. Virtual Screening Technology for Two Novel Peptides in Soybean as Inhibitors of α-Amylase and α-Glucosidase. Foods 2023; 12:4387. [PMID: 38137191 PMCID: PMC10743026 DOI: 10.3390/foods12244387] [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: 11/06/2023] [Revised: 12/01/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
Soybean peptides (SPs) have bioactivities of enzyme inhibition that are beneficial to human health, but their mechanism is not clear. This study aimed to identify peptide fragments in SPs that simultaneously inhibit α-amylase and α-glucosidase and to explore their enzyme inhibition mechanism. Firstly, the inhibitory activity of SPs against the enzymes was determined. And two octapeptides, LDQTPRVF and SRNPIYSN, were identified for the first time by using HPLC-QTOF-MS/MS and virtual screening. Molecular simulation results showed that hydrogen bonds and π-π bonds were the key factors, and the N-terminal (Leu and Ser) and C-terminal (Phe) of peptide were important inhibiting sites. Both octapeptides were synthesized, and their IC50 values were 3.08 and 5.58 mmol/L for α-amylase, and 2.52 and 4.57 mmol/L for α-glucosidase, respectively. This study provided evidence for SPs as a potential inhibitor of α-amylase and α-glucosidase in special dietary foods.
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Affiliation(s)
- Xiyao Tang
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry, School of Life and Health Technology, Dongguan University of Technology, Dongguan 523808, China (Y.L.)
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Xu Chen
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry, School of Life and Health Technology, Dongguan University of Technology, Dongguan 523808, China (Y.L.)
| | - Hong Wang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Jinyi Yang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Lin Li
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry, School of Life and Health Technology, Dongguan University of Technology, Dongguan 523808, China (Y.L.)
| | - Jie Zhu
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry, School of Life and Health Technology, Dongguan University of Technology, Dongguan 523808, China (Y.L.)
| | - Yujia Liu
- Key Laboratory of Healthy Food Development and Nutrition Regulation of China National Light Industry, School of Life and Health Technology, Dongguan University of Technology, Dongguan 523808, China (Y.L.)
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11
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Vieira EF, Fontoura AQ, Delerue-Matos C. Chayote ( Sechium edule (Jacq.) Swartz) Seed as an Unexploited Protein Source: Bio-Functional and Nutritional Quality of Protein Isolates. Foods 2023; 12:2949. [PMID: 37569219 PMCID: PMC10418905 DOI: 10.3390/foods12152949] [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: 07/07/2023] [Revised: 07/31/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023] Open
Abstract
Chayote seeds have good protein quality and recognized bioactive properties, being still unexplored as a nutraceutical. In this work, chayote seed protein isolates (CSPIs) were prepared by alkaline extraction (AE) and ultrasonic-assisted extraction (UAE) using a probe (20 kHz) or a water bath (40 kHz), and their physicochemical, functional properties and nutraceutical potential were investigated. For all treatments, protein solutions (10% w/v) were treated for 20 min. The UAE significantly (p < 0.05) improved the protein extraction yield and functional properties (protein solubility, turbidity, and emulsifying and foaming properties) of CSPIs. This effect was more pronounced using a probe sonication device. The CSPI obtained by UAE-20 kHz contained 8.2 ± 0.9% dw of proteins with a balanced amino acid profile, higher content of essential amino acids (315.63 mg/g of protein) and higher protein digestibility (80.3 ± 4.5%). Furthermore, CSPI.UAE-20 kHz exhibited the highest phenolic content (7.22 mg GAE/g dw), antioxidant capacity and α-amylase inhibition (74%, at 100 μg/mL concentration). Overall, these results suggest that ultrasound technology contributed greatly to the corresponding functional and nutritional properties of chayote seed proteins. It would be, therefore, useful to apply this Cucurbitaceae species in food systems, promoting its nutritional and commercial value.
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Affiliation(s)
- Elsa F. Vieira
- REQUIMTE/LAQV, ISEP, Polytechnic of Porto—School of Engineering, Rua Dr. António Bernardino de Almeida, 431, 4249-015 Porto, Portugal; (A.Q.F.); (C.D.-M.)
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12
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Rocha S, Rufino AT, Freitas M, Silva AMS, Carvalho F, Fernandes E. Methodologies for Assessing Pancreatic Lipase Catalytic Activity: A Review. Crit Rev Anal Chem 2023:1-28. [PMID: 37335098 DOI: 10.1080/10408347.2023.2221731] [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: 06/21/2023]
Abstract
Obesity is a disease of epidemic proportions with a concerning increasing trend. Regarded as one of the main sources of energy, lipids can also represent a big part of an unnecessary intake of calories and be, therefore, directly related to the problem of obesity. Pancreatic lipase is an enzyme that is essential in the absorption and digestion of dietary fats and has been explored as an alternative for the reduction of fat absorption and consequent weigh loss.Literature describes a great variability of methodologies and experimental conditions used in research to evaluate the in vitro inhibitory activity of compounds against pancreatic lipase. However, in an attempt to choose the best approach, it is necessary to know all the reaction conditions and understand how these can affect the enzymatic assay.The objective of this review is to understand and summarize the methodologies and respective experimental conditions that are mainly used to evaluate pancreatic lipase catalytic activity.156 studies were included in this work and a detailed description of the most commonly used UV/Vis spectrophotometric and fluorimetric instrumental techniques are presented, including a discussion regarding the differences found in the parameters used in both techniques, namely enzyme, substrate, buffer solutions, kinetics conditions, temperature and pH.This works shows that both UV/Vis spectrophotometry and fluorimetry are useful instrumental techniques for the evaluation of pancreatic lipase catalytic activity, presenting several advantages and limitations, which make the choice of parameters and experimental conditions a crucial decision to obtain the most reliable results.
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Affiliation(s)
- Sílvia Rocha
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Ana T Rufino
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Marisa Freitas
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Artur M S Silva
- LAQV, REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Félix Carvalho
- Associate Laboratory i4HB - Institute for Health and Bioeconomy, UCIBIO, REQUIMTE, Laboratory of Toxicology, Department of Biological Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Eduarda Fernandes
- LAQV, REQUIMTE, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
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13
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Fu Y, Liu Z, Wang H, Zhang F, Guo S, Shen Q. Comparison of the generation of α-glucosidase inhibitory peptides derived from prolamins of raw and cooked foxtail millet: In vitro activity, de novo sequencing, and in silico docking. Food Chem 2023; 411:135378. [PMID: 36669338 DOI: 10.1016/j.foodchem.2022.135378] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 12/15/2022] [Accepted: 12/30/2022] [Indexed: 01/05/2023]
Abstract
Foxtail millet prolamin has been demonstrated to have anti-diabetic effects. In this study, we compared the generation of anti-α-glucosidase peptides derived from prolamins of raw and cooked foxtail millet (PRFM and PCFM). PRFM and PCFM hydrolysates (PRFMH and PCFMH) both exhibited α-glucosidase inhibitory activity. After ultrafiltration according to molecular weight (Mw), the fraction with Mw < 3 kDa in PCFMH (PCFMH<3) showed higher α-glucosidase inhibitory activity than that in PRFMH (PRFMH<3). The composition of α-glucosidase inhibitory peptides identified by de novo sequencing in PCFMH<3 and PRFMH<3 was compared by virtual screening, combining biological activity, net charge, grand average of hydropathicity (GRAVY), and key hydrophobic amino acids (Met, Pro, Phe, and Leu). We found that the proportion of peptides with excellent α-glucosidase binding force in PCFMH<3 was higher than in PRFMH<3. Overall, cooking may positively affect the generation of peptides that perform well in inhibiting α-glucosidase derived from foxtail millet prolamin.
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Affiliation(s)
- Yongxia Fu
- Shanxi Institute for Functional Food, Shanxi Agricultural University, Taiyuan, China; National Center of Technology Innovation (Deep Processing of Highland Barley) in Food Industry, National Engineering Research Center for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Zhenyu Liu
- National Center of Technology Innovation (Deep Processing of Highland Barley) in Food Industry, National Engineering Research Center for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Han Wang
- National Center of Technology Innovation (Deep Processing of Highland Barley) in Food Industry, National Engineering Research Center for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China
| | - Fan Zhang
- National Center of Technology Innovation (Deep Processing of Highland Barley) in Food Industry, National Engineering Research Center for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China; Beijing Industrial Technology Research Institute Ltd, Beijing, China
| | - Shang Guo
- Shanxi Institute for Functional Food, Shanxi Agricultural University, Taiyuan, China
| | - Qun Shen
- National Center of Technology Innovation (Deep Processing of Highland Barley) in Food Industry, National Engineering Research Center for Fruit and Vegetable Processing, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
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14
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Tan YC, Gan CY, Shafie MH, Yap PG, Mohd Rodhi A, Ahmad A, Murugaiyah V, Abdulla MH, Johns EJ. A comprehensive review on the pancreatic lipase inhibitory peptides: A future anti-obesity strategy. ELECTRONIC JOURNAL OF GENERAL MEDICINE 2023. [DOI: 10.29333/ejgm/12943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Dysregulation of lipid homeostasis contributes to obesity and can directly lead to several critical public health concerns globally. This paper aimed to present a brief review of related properties and the use of pancreatic lipase inhibitors as the future weight loss drug discovery and development procured from a wide range of natural sources. A total of 176 pancreatic lipase inhibitory peptides were identified from recent publications and peptide databases. These peptides were classified into three categories according to their peptide length and further analyzed using bioinformatic approaches to identify their structural activity relationship. Molecular docking analyses were conducted for each amino acid at the terminal position of the peptides to predict the binding affinity between peptide-enzyme protein complexes based on intermolecular contact interactions. Overall, the observations revealed the features of the inhibitory peptides and their inhibitory mechanisms and interactions. These findings strived to benefit scientists whose research may be relevant to anti-obesity drug development and/or discovery thereby support effective translation of preclinical research for humans’ health being.
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Affiliation(s)
- Yong Chia Tan
- Analytical Biochemistry Research Centre (ABrC), Universiti Innovation Incubator Building, SAINS@USM Campus, Universiti Sains Malaysia, Lebuh Bukit Jambul 11900, Penang, MALAYSIA
| | - Chee-Yuen Gan
- Analytical Biochemistry Research Centre (ABrC), Universiti Innovation Incubator Building, SAINS@USM Campus, Universiti Sains Malaysia, Lebuh Bukit Jambul 11900, Penang, MALAYSIA
| | - Muhammad Hakimin Shafie
- Analytical Biochemistry Research Centre (ABrC), Universiti Innovation Incubator Building, SAINS@USM Campus, Universiti Sains Malaysia, Lebuh Bukit Jambul 11900, Penang, MALAYSIA
| | - Pei Gee Yap
- Analytical Biochemistry Research Centre (ABrC), Universiti Innovation Incubator Building, SAINS@USM Campus, Universiti Sains Malaysia, Lebuh Bukit Jambul 11900, Penang, MALAYSIA
| | - Ainolsyakira Mohd Rodhi
- Analytical Biochemistry Research Centre (ABrC), Universiti Innovation Incubator Building, SAINS@USM Campus, Universiti Sains Malaysia, Lebuh Bukit Jambul 11900, Penang, MALAYSIA
| | - Ashfaq Ahmad
- College of Pharmacy, University of Hafr Al Batin, Hafr Al Batin, SAUDI ARABIA
| | - Vikneswaran Murugaiyah
- Department of Pharmacology, School of Pharmaceutical Sciences, Universiti Sains Malaysia, Penang, MALAYSIA
- Center for Drug Research, Universiti Sains Malaysia, Penang, MALAYSIA
| | - Mohammed H Abdulla
- Department of Physiology, School of Medicine, University College of Cork, Cork, IRELAND
| | - Edward James Johns
- Department of Physiology, School of Medicine, University College of Cork, Cork, IRELAND
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15
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Wang W, Yang W, Dai Y, Liu J, Chen ZY. Production of Food-Derived Bioactive Peptides with Potential Application in the Management of Diabetes and Obesity: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37027889 DOI: 10.1021/acs.jafc.2c08835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
The prevalence of diabetes mellitus and obesity is increasing worldwide. Bioactive peptides are naturally present in foods or in food-derived proteins. Recent research has shown that these bioactive peptides have an array of possible health benefits in the management of diabetes and obesity. First, this review will summarize the top-down and bottom-up production methods of the bioactive peptides from different protein sources. Second, the digestibility, bioavailability, and metabolic fate of the bioactive peptides are discussed. Last, the present review will discuss and explore the mechanisms by which these bioactive peptides help against obesity and diabetes based on in vitro and in vivo studies. Although several clinical studies have demonstrated that bioactive peptides are beneficial in alleviating diabetes and obesity, more double-blind randomized controlled trials are needed in the future. This review has provided novel insights into the potential of food-derived bioactive peptides as functional foods or nutraceuticals to manage obesity and diabetes.
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Affiliation(s)
- Weiwei Wang
- College of Food Science and Engineering, Nanjing University of Finance and Economics/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Wenjian Yang
- College of Food Science and Engineering, Nanjing University of Finance and Economics/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Yi Dai
- College of Food Science and Engineering, Nanjing University of Finance and Economics/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Jianhui Liu
- College of Food Science and Engineering, Nanjing University of Finance and Economics/Collaborative Innovation Center for Modern Grain Circulation and Safety, Nanjing 210023, China
| | - Zhen-Yu Chen
- Food & Nutritional Sciences Programme, School of Life Sciences, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, China
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16
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Nayebhashemi M, Enayati S, Zahmatkesh M, Madanchi H, Saberi S, Mostafavi E, Mirbzadeh Ardakani E, Azizi M, Khalaj V. Surface display of pancreatic lipase inhibitor peptides by engineered Saccharomyces boulardii: Potential as an anti-obesity probiotic. J Funct Foods 2023. [DOI: 10.1016/j.jff.2023.105458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
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17
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Research progress in lipid metabolic regulation of bioactive peptides. FOOD PRODUCTION, PROCESSING AND NUTRITION 2023. [DOI: 10.1186/s43014-022-00123-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
AbstractHyperlipidemia poses a serious threat to human health and evaluating the ability of natural active substances to regulate disorders of lipid metabolism is the focus of food functionality research in recent years. Bioactive peptides are distinguished by their broad range of sources, high nutritional content, ease of absorption and use by the body, and ease of determining their sequences. Bioactive peptides have a wide range of potential applications in the area of medicines and food. The regulation of lipid metabolism disorder caused by bioactive peptides from different sources provides a reference for the development and research of bioactive peptides for lipid reduction.
Graphical Abstract
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18
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Isolation and Identification of Lipid-Lowering Peptides from Sacha Inchi Meal. Int J Mol Sci 2023; 24:ijms24021529. [PMID: 36675040 PMCID: PMC9863159 DOI: 10.3390/ijms24021529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/04/2023] [Accepted: 01/07/2023] [Indexed: 01/14/2023] Open
Abstract
Sacha inchi meal (SIM) is a by-product of sacha inchi (considered as a "super-food") processing. In previous studies, we found that SIM protein hydrolysates exhibited pancreatic lipase inhibition activity. In this study, 10 bioactive peptides from those hydrolysates were identified. The top five peptides (NLYYKVV (NV-7), WWYVK (WK-5), WLLMWPYK (WK-8), EGLLMWPY (EY-8), and FPFFGYVWK (FK-9)) with strong pancreatic lipase inhibition activity had IC50 values of 34.01-246.50 µM, and displayed various inhibition types (mixed, non-competitive, and competitive type) by enzyme inhibition kinetics analysis. Fluorescence quenching analysis demonstrated that the interaction between the peptides and pancreatic lipase was mainly hydrogen bond and van der Waals force. The key residues involved in the peptide-enzyme interaction were determined by molecular docking. Moreover, the top two peptides were found to significantly inhibit fat accumulation and regulate lipid metabolism by alleviating the level of reactive oxygen species in HepG2 cells. Collectively, sacha inchi meal-derived peptides displayed potent lipid-lowering activity and could be used as materials of functional food.
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19
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Ceylan F, Adrar N, Günal-Köroğlu D, Gültekin Subaşı B, Capanoglu E. Combined Neutrase-Alcalase Protein Hydrolysates from Hazelnut Meal, a Potential Functional Food Ingredient. ACS OMEGA 2023; 8:1618-1631. [PMID: 36643436 PMCID: PMC9835803 DOI: 10.1021/acsomega.2c07157] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 11/21/2022] [Indexed: 06/17/2023]
Abstract
Consumers' interest in functional foods has significantly increased in the past few years. Hazelnut meal, the main valuable byproduct of the hazelnut oil industry, is a rich source of proteins and bioactive peptides and thus has great potential to become a valuable functional ingredient. In this study, hazelnut protein hydrolysates obtained by a single or combined hydrolysis by Alcalase and Neutrase were mainly characterized for their physicochemical properties (SDS-PAGE, particle size distribution, Fourier-transform infrared (FTIR) spectroscopy, molecular weight distribution, etc.) and potential antiobesity effect (Free fatty acid (FFA) release inhibition), antioxidant activity (DPPH and ABTS methods), and emulsifying properties. The impact of a microfluidization pretreatment was also investigated. The combination of Alcalase with Neutrase permitted the highest degree of hydrolysis (DH; 15.57 ± 0.0%) of hazelnut protein isolate, which resulted in hydrolysates with the highest amount of low-molecular-weight peptides, as indicated by size exclusion chromatography (SEC) and SDS-PAGE. There was a positive correlation between the DH and the inhibition of FFA release by pancreatic lipase (PL), with a significant positive effect of microfluidization when followed by Alcalase hydrolysis. Microfluidization enhanced the emulsifying activity index (EAI) of protein isolates and hydrolysates. Low hydrolysis by Neutrase had the best effect on the EAI (84.32 ± 1.43 (NH) and 88.04 ± 2.22 m2/g (MFNH)), while a negative correlation between the emulsifying stability index (ESI) and the DH was observed. Again, the combined Alcalase-Neutrase hydrolysates displayed the highest radical scavenging activities (96.63 ± 1.06% DPPH and 98.31 ± 0.46% ABTS). FTIR results showed that the application of microfluidization caused the unfolding of the protein structure. The individual or combined application of the Alcalase and Neutrase enzymes caused a switch from the β-sheet organization of the proteins to α-helix structures. In conclusion, hazelnut meal may be a good source of bioactive and functional peptides. The control of its enzymatic hydrolysis, together with an appropriate pretreatment such as microfluidization, may be crucial to achieve the best suitable activity.
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Affiliation(s)
- Fatma
Duygu Ceylan
- Department
of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, 34469Istanbul, Turkey
| | - Nabil Adrar
- Department
of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, 34469Istanbul, Turkey
| | - Deniz Günal-Köroğlu
- Department
of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, 34469Istanbul, Turkey
| | - Büşra Gültekin Subaşı
- Biology
and Biological Engineering, Division of Food and Nutrition Science, Chalmers University of Technology, SE-412 96Gothenburg, Sweden
| | - Esra Capanoglu
- Department
of Food Engineering, Faculty of Chemical and Metallurgical Engineering, Istanbul Technical University, 34469Istanbul, Turkey
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20
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Pancreatic lipase inhibitory effects of peptides derived from sesame proteins: In silico and in vitro analyses. Int J Biol Macromol 2022; 222:1531-1537. [DOI: 10.1016/j.ijbiomac.2022.09.259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 11/05/2022]
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21
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Liska DJ, Dioum E, Chu Y, Mah E. Narrative Review on the Effects of Oat and Sprouted Oat Components on Blood Pressure. Nutrients 2022; 14:nu14224772. [PMID: 36432463 PMCID: PMC9698489 DOI: 10.3390/nu14224772] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 11/01/2022] [Accepted: 11/07/2022] [Indexed: 11/16/2022] Open
Abstract
Hypertension (HTN) is a major risk factor for cardiovascular disease (CVD) and cognitive decline. Elevations in blood pressure (BP) leading to HTN can be found in young adults with increased prevalence as people age. Oats are known to decrease CVD risk via an established effect of β-glucan on the attenuation of blood cholesterol. Many past studies on CVD and oats have also reported a decrease in BP; however, a thorough assessment of oats and BP has not been conducted. Moreover, oats deliver several beneficial dietary components with putative beneficial effects on BP or endothelial function, such as β-glucan, γ-amino butyric acid (GABA), and phytochemicals such as avenanthramides. We conducted a comprehensive search for systematic reviews, meta-analyses, and clinical intervention studies on oats and BP and identified 18 randomized controlled trials (RCTs) and three meta-analyses that supported the role of oats in decreasing BP. Emerging data also suggest oat consumption may reduce the use of anti-hypertensive medications. The majority of these studies utilized whole oats or oat bran, which include a vast array of oat bioactives. Therefore, we also extensively reviewed the literature on these bioactives and their putative effect on BP-relevant mechanisms. The data suggest several oat components, such as GABA, as well as the delivery of high-quality plant protein and fermentable prebiotic fiber, may contribute to the anti-HTN effect of oats. In particular, GABA is enhanced in oat sprouts, which suggests this food may be particularly beneficial for healthy BP management.
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Affiliation(s)
| | - ElHadji Dioum
- PepsiCo R&D Health & Nutrition Sciences, Chicago, IL 60607, USA
| | - Yifang Chu
- PepsiCo R&D Health & Nutrition Sciences, Chicago, IL 60607, USA
| | - Eunice Mah
- Biofortis Research, Addison, IL 60101, USA
- Correspondence:
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22
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α-amylase inhibitory activity of chitooligosaccharide from shrimp shell chitosan and its epigallocatechin gallate conjugate: kinetics, fluorescence quenching and structure-activity relationship. Food Chem 2022; 403:134456. [DOI: 10.1016/j.foodchem.2022.134456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/05/2022] [Accepted: 09/27/2022] [Indexed: 11/17/2022]
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23
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Rafique H, Dong R, Wang X, Alim A, Aadil RM, Li L, Zou L, Hu X. Dietary-Nutraceutical Properties of Oat Protein and Peptides. Front Nutr 2022; 9:950400. [PMID: 35866075 PMCID: PMC9294724 DOI: 10.3389/fnut.2022.950400] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Accepted: 06/03/2022] [Indexed: 11/13/2022] Open
Abstract
Oats are considered the healthiest grain due to their high content of phytochemicals, dietary fibers, and protein. In recent years, oat protein and peptides have gained popularity as possible therapeutic or nutraceutical candidates. Generally, oat peptides with bioactive properties can be obtained by the enzymatic hydrolysis of proteins and are known to have a variety of regulatory functions. This review article focused on the nutraceutical worth of oat proteins and peptides and also describes the application of oat protein as a functional ingredient. Outcomes of this study indicated that oat protein and peptides present various therapeutical properties, including antidiabetic, antioxidant, antihypoxic, antihypertensive, antithrombotic, antifatigue, immunomodulatory, and hypocholestrolaemic. However, most of the conducted studies are limited to in vitro conditions and less data is available on assessing the effectiveness of the oat peptides in vivo. Future efforts should be directed at performing systematic animal studies; in addition, clinical trials also need to be conducted to fully support the development of functional food products, nutraceutical, and therapeutical applications.
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Affiliation(s)
- Hamad Rafique
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, China
| | - Rui Dong
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, China
| | - Xiaolong Wang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, China
| | - Aamina Alim
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, China
| | - Rana Muhammad Aadil
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Lu Li
- Guilin Seamild Food Co., Ltd., Guilin, China
| | - Liang Zou
- School of Food and Biological Engineering, Chengdu University, Chengdu, China
| | - Xinzhong Hu
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi’an, China
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24
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Health Benefits of Cereal Grain- and Pulse-Derived Proteins. Molecules 2022; 27:molecules27123746. [PMID: 35744874 PMCID: PMC9229611 DOI: 10.3390/molecules27123746] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 12/19/2022] Open
Abstract
Pulses and whole grains are considered staple foods that provide a significant amount of calories, fibre and protein, making them key food sources in a nutritionally balanced diet. Additionally, pulses and whole grains contain many bioactive compounds such as dietary fibre, resistant starch, phenolic compounds and mono- and polyunsaturated fatty acids that are known to combat chronic disease. Notably, recent research has demonstrated that protein derived from pulse and whole grain sources contains bioactive peptides that also possess disease-fighting properties. Mechanisms of action include inhibition or alteration of enzyme activities, vasodilatation, modulation of lipid metabolism and gut microbiome and oxidative stress reduction. Consumer demand for plant-based proteins has skyrocketed primarily based on the perceived health benefits and lower carbon footprint of consuming foods from plant sources versus animal. Therefore, more research should be invested in discovering the health-promoting effects that pulse and whole grain proteins have to offer.
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25
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Zhang Y, Chen Y, Chen J. The starch hydrolysis and aroma retention caused by salivary α-amylase during oral processing of food. Curr Opin Food Sci 2022. [DOI: 10.1016/j.cofs.2021.11.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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26
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Palma-Albino C, Intiquilla A, Jiménez-Aliaga K, Rodríguez-Arana N, Solano E, Flores E, Zavaleta AI, Izaguirre V, Hernández-Ledesma B. Albumin from Erythrina edulis (Pajuro) as a Promising Source of Multifunctional Peptides. Antioxidants (Basel) 2021; 10:1722. [PMID: 34829593 PMCID: PMC8615073 DOI: 10.3390/antiox10111722] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 10/21/2021] [Accepted: 10/26/2021] [Indexed: 12/21/2022] Open
Abstract
Multifunctional peptides, capable of acting on different body systems through multiple mechanisms of action, offer many advantages over monofunctional peptides, including lower adverse side effects and costs. Erythrina edulis (pajuro) is a legume with a large number of high-quality proteins, of which their potential as a source of antioxidant peptides has been recently reported. In this study, the behavior of these proteins under a sequential enzymatic hydrolysis with digestive and microbial enzymes was investigated by evaluating the multi-functionality of the hydrolyzates. The albumin hydrolyzates obtained after the action of pepsin, pancreatin, and Alcalase showed antioxidant, angiotensin-converting enzyme (ACE), α-amylase, α-glucosidase, and dipeptidyl peptidase (DPP)-IV inhibitory activities. The radical scavenging properties of the hydrolyzate could be responsible for the potent protective effects observed in FeSO4-induced neuroblastoma cells. The findings support the role of pajuro protein as an ingredient of functional foods or nutraceuticals for health promotion and the prevention of oxidative stress, hypertension, and metabolic alteration-associated chronic diseases.
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Affiliation(s)
- Cleni Palma-Albino
- Grupo de Investigación BIOMIAS, Departament of Biochemistry, Facultad de Farmacia y Bioquímica, Universidad Nacional Mayor de San Marcos, Jr. Puno 1002, Lima 4559, Peru; (C.P.-A.); (A.I.); (N.R.-A.); (E.S.); (E.F.); (A.I.Z.); (V.I.)
| | - Arturo Intiquilla
- Grupo de Investigación BIOMIAS, Departament of Biochemistry, Facultad de Farmacia y Bioquímica, Universidad Nacional Mayor de San Marcos, Jr. Puno 1002, Lima 4559, Peru; (C.P.-A.); (A.I.); (N.R.-A.); (E.S.); (E.F.); (A.I.Z.); (V.I.)
- Departamento de Ciencia de los Alimentos y Tecnología Química, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santos Dumont 946, Santiago de Chile 8380492, Chile
| | - Karim Jiménez-Aliaga
- Grupo de Investigación BIOMIAS, Departament of Biochemistry, Facultad de Farmacia y Bioquímica, Universidad Nacional Mayor de San Marcos, Jr. Puno 1002, Lima 4559, Peru; (C.P.-A.); (A.I.); (N.R.-A.); (E.S.); (E.F.); (A.I.Z.); (V.I.)
| | - Nathaly Rodríguez-Arana
- Grupo de Investigación BIOMIAS, Departament of Biochemistry, Facultad de Farmacia y Bioquímica, Universidad Nacional Mayor de San Marcos, Jr. Puno 1002, Lima 4559, Peru; (C.P.-A.); (A.I.); (N.R.-A.); (E.S.); (E.F.); (A.I.Z.); (V.I.)
| | - Estela Solano
- Grupo de Investigación BIOMIAS, Departament of Biochemistry, Facultad de Farmacia y Bioquímica, Universidad Nacional Mayor de San Marcos, Jr. Puno 1002, Lima 4559, Peru; (C.P.-A.); (A.I.); (N.R.-A.); (E.S.); (E.F.); (A.I.Z.); (V.I.)
| | - Eduardo Flores
- Grupo de Investigación BIOMIAS, Departament of Biochemistry, Facultad de Farmacia y Bioquímica, Universidad Nacional Mayor de San Marcos, Jr. Puno 1002, Lima 4559, Peru; (C.P.-A.); (A.I.); (N.R.-A.); (E.S.); (E.F.); (A.I.Z.); (V.I.)
| | - Amparo Iris Zavaleta
- Grupo de Investigación BIOMIAS, Departament of Biochemistry, Facultad de Farmacia y Bioquímica, Universidad Nacional Mayor de San Marcos, Jr. Puno 1002, Lima 4559, Peru; (C.P.-A.); (A.I.); (N.R.-A.); (E.S.); (E.F.); (A.I.Z.); (V.I.)
| | - Víctor Izaguirre
- Grupo de Investigación BIOMIAS, Departament of Biochemistry, Facultad de Farmacia y Bioquímica, Universidad Nacional Mayor de San Marcos, Jr. Puno 1002, Lima 4559, Peru; (C.P.-A.); (A.I.); (N.R.-A.); (E.S.); (E.F.); (A.I.Z.); (V.I.)
| | - Blanca Hernández-Ledesma
- Department of Bioactivity and Food Analysis, Instituto de Investigación en Ciencias de la Alimentación (CIAL, CSIC-UAM, CEI UAM+CSIC), Nicolás Cabrera 9, 28049 Madrid, Spain
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Kim IS, Hwang CW, Yang WS, Kim CH. Multiple Antioxidative and Bioactive Molecules of Oats ( Avena sativa L.) in Human Health. Antioxidants (Basel) 2021; 10:antiox10091454. [PMID: 34573086 PMCID: PMC8471765 DOI: 10.3390/antiox10091454] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 02/06/2023] Open
Abstract
Oats (Avena sativa L.) are rich in protein, fiber, calcium, vitamins (B, C, E, and K), amino acids, and antioxidants (beta-carotene, polyphenols, chlorophyll, and flavonoids). β-glucan and avenanthramides improve the immune system, eliminate harmful substances from the body, reduce blood cholesterol, and help with dietary weight loss by enhancing the lipid profile and breaking down fat in the body. β-glucan regulates insulin secretion, preventing diabetes. Progladins also lower cholesterol levels, suppress the accumulation of triglycerides, reduce blood sugar levels, suppress inflammation, and improve skin health. Saponin-based avanacosidase and functional substances of flavone glycoside improve the immune function, control inflammation, and prevent infiltration in the skin. Moreover, lignin and phytoestrogen prevent hormone-related cancer and improve the quality of life of postmenopausal women. Sprouted oats are rich in saponarin in detoxifying the liver. The literatures have been reviewed and the recent concepts and prospects have been summarized with figures and tables. This review discusses recent trends in research on the functionality of oats rather than their nutritional value with individual immunity for self-medication. The oat and its acting components have been revisited for the future prospect and development of human healthy and functional sources.
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Affiliation(s)
- Il-Sup Kim
- Advanced Bio-Resource Research Center, Kyungpook National University, Daegu 41566, Korea;
| | - Cher-Won Hwang
- Global Leadership School, Handong Global University, Pohang 37554, Gyeongsangbuk-Do, Korea
- Correspondence: (C.-W.H.); (W.-S.Y.); (C.-H.K.)
| | - Woong-Suk Yang
- Nodaji Co., Ltd., Pohang 37927, Gyeongsangbuk-Do, Korea
- Correspondence: (C.-W.H.); (W.-S.Y.); (C.-H.K.)
| | - Cheorl-Ho Kim
- Department of Biological Sciences, SungKyunKwan University, Suwon 16419, Gyunggi-Do, Korea
- Samsung Advanced Institute of Health Science and Technology (SAIHST), Sungkyunkwan University, Seoul 06351, Korea
- Correspondence: (C.-W.H.); (W.-S.Y.); (C.-H.K.)
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