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Pinontoan R, Purnomo JS, Avissa EB, Tanojo JP, Djuan M, Vidian V, Samantha A, Jo J, Steven E. In-vitro and in-silico analyses of the thrombolytic potential of green kiwifruit. Sci Rep 2024; 14:13799. [PMID: 38877048 PMCID: PMC11178772 DOI: 10.1038/s41598-024-64160-y] [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: 11/03/2023] [Accepted: 06/05/2024] [Indexed: 06/16/2024] Open
Abstract
Cardiovascular diseases (CVDs), mainly caused by thrombosis complications, are the leading cause of mortality worldwide, making the development of alternative treatments highly desirable. In this study, the thrombolytic potential of green kiwifruit (Actinidia deliciosa cultivar Hayward) was assessed using in-vitro and in-silico approaches. The crude green kiwifruit extract demonstrated the ability to reduce blood clots significantly by 73.0 ± 1.12% (P < 0.01) within 6 h, with rapid degradation of Aα and Bβ fibrin chains followed by the γ chain in fibrinolytic assays. Molecular docking revealed six favorable conformations for the kiwifruit enzyme actinidin (ADHact) and fibrin chains, supported by spontaneous binding energies and distances. Moreover, molecular dynamics simulation confirmed the binding stability of the complexes of these conformations, as indicated by the stable binding affinity, high number of hydrogen bonds, and consistent distances between the catalytic residue Cys25 of ADHact and the peptide bond. The better overall binding affinity of ADHact to fibrin chains Aα and Bβ may contribute to their faster degradation, supporting the fibrinolytic results. In conclusion, this study demonstrated the thrombolytic potential of the green kiwifruit-derived enzyme and highlighted its potential role as a natural plant-based prophylactic and therapeutic agent for CVDs.
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Affiliation(s)
- Reinhard Pinontoan
- Department of Biology, Universitas Pelita Harapan, Tangerang, 15811, Indonesia.
| | | | - Elvina Bella Avissa
- Department of Biology, Universitas Pelita Harapan, Tangerang, 15811, Indonesia
| | - Jessica Pricilla Tanojo
- Center of Excellence Applied Science Academy, Sekolah Pelita Harapan Lippo Village, Tangerang, 15810, Indonesia
| | - Moses Djuan
- Department of Biology, Universitas Pelita Harapan, Tangerang, 15811, Indonesia
| | - Valerie Vidian
- Department of Biology, Universitas Pelita Harapan, Tangerang, 15811, Indonesia
| | - Ariela Samantha
- Department of Biology, Universitas Pelita Harapan, Tangerang, 15811, Indonesia
| | - Juandy Jo
- Department of Biology, Universitas Pelita Harapan, Tangerang, 15811, Indonesia
- Mochtar Riady Institute for Nanotechnology, Lippo Karawaci, Tangerang, 15810, Indonesia
| | - Eden Steven
- Center of Excellence Applied Science Academy, Sekolah Pelita Harapan Lippo Village, Tangerang, 15810, Indonesia
- Emmerich Research Center, Jakarta, 14450, Indonesia
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Liu Y, Cui W, Liu H, Yao M, Shen W, Miao L, Wei J, Liang X, Zhang Y. Exploring the "gene-metabolite" network of ischemic stroke with blood stasis and toxin syndrome by integrated transcriptomics and metabolomics strategy. Sci Rep 2024; 14:11947. [PMID: 38789486 PMCID: PMC11126742 DOI: 10.1038/s41598-024-61633-y] [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: 01/01/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
A research model combining a disease and syndrome can provide new ideas for the treatment of ischemic stroke. In the field of traditional Chinese medicine, blood stasis and toxin (BST) syndrome is considered an important syndrome seen in patients with ischemic stroke (IS). However, the biological basis of IS-BST syndrome is currently not well understood. Therefore, this study aimed to explore the biological mechanism of IS-BST syndrome. This study is divided into two parts: (1) establishment of an animal model of ischemic stroke disease and an animal model of BST syndrome in ischemic stroke; (2) use of omics methods to identify differentially expressed genes and metabolites in the models. We used middle cerebral artery occlusion (MCAO) surgery to establish the disease model, and utilized carrageenan combined with active dry yeast and MCAO surgery to construct the IS-BST syndrome model. Next, we used transcriptomics and metabolomics methods to explore the differential genes and metabolites in the disease model and IS-BST syndrome model. It is found that the IS-BST syndrome model exhibited more prominent characteristics of IS disease and syndrome features. Both the disease model and the IS-BST syndrome model share some common biological processes, such as thrombus formation, inflammatory response, purine metabolism, sphingolipid metabolism, and so on. Results of the "gene-metabolite" network revealed that the IS-BST syndrome model exhibited more pronounced features of complement-coagulation cascade reactions and amino acid metabolism disorders. Additionally, the "F2 (thrombin)-NMDAR/glutamate" pathway was coupled with the formation process of the blood stasis and toxin syndrome. This study reveals the intricate mechanism of IS-BST syndrome, offering a successful model for investigating the combination of disease and syndrome.
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Affiliation(s)
- Yue Liu
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Wenqiang Cui
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
- Department of Neurology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Hongxi Liu
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Mingjiang Yao
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
- Beijing Key Laboratory of Pharmacology of Chinese Materia Region, Institute of Basic Medical Sciences, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Wei Shen
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Lina Miao
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China
| | - Jingjing Wei
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Xiao Liang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
| | - Yunling Zhang
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, 100091, China.
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Wang J, Liu X, Jing Y, Zheng X. Purification and Biochemical Characterization of a Novel Fibrinolytic Enzyme from Culture Supernatant of Coprinus comatus. Foods 2024; 13:1292. [PMID: 38731663 PMCID: PMC11083162 DOI: 10.3390/foods13091292] [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: 03/26/2024] [Revised: 04/19/2024] [Accepted: 04/20/2024] [Indexed: 05/13/2024] Open
Abstract
A novel fibrinolytic enzyme was produced by the liquid fermentation of Coprinus comatus. The enzyme was purified from the culture supernatant by hydrophobic interactions, gel filtration, and ion exchange chromatographies. It was purified by 241.02-fold, with a specific activity of 3619 U/mg and a final yield of 10.02%. SDS-PAGE analysis confirmed the purity of the enzyme, showing a single band with a molecular weight of 19.5 kDa. The first nine amino acids of the N-terminal of the purified enzyme were A-T-Y-T-G-G-S-Q-T. The enzyme exhibited optimal activity at a temperature of 42 °C and pH 7.6. Its activity was significantly improved by Zn2+, K+, Ca2+, Mn2+, and Mg2+ while being inhibited by Fe2+, Fe3+, Al2+, and Ba2+. The activity of the enzyme was completely inhibited by ethylenediamine tetraacetic acid (EDTA), and it was also dose-dependently inhibited by phenylmethylsulfonyl fluoride (PMSF) and soy trypsin inhibitor (SBTI). However, inhibitors such as N-α-tosyl-L-phenylalanine chloromethyl ketone (TPCK), aprotinin, and pepstatin did not significantly affect its activity, suggesting that the enzyme was a serine-like metalloproteinase. The enzyme acted as both a plasmin-like fibrinolytic enzyme and a plasminogen activator, and it also exhibited the capability to hydrolyze fibrinogen and fibrin. In vitro, it demonstrated the ability to dissolve blood clots and exhibit anticoagulant properties. Furthermore, it was found that the enzyme prolonged activated partial thromboplastin time (APTT), prothrombin time (PT), and thrombin time (TT), and reduced the levels of fibrinogen (FIB) and prothrombin activity (PA). Based on these studies, the enzyme has great potential to be developed as a natural agent for the prevention and treatment of thrombotic diseases.
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Affiliation(s)
- Jinyu Wang
- College of Food Engineering, Harbin University of Commerce, Harbin 150076, China;
- Key Laboratory of Corn Deep Processing Theory and Technology of Heilongjiang Province, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (Y.J.); (X.Z.)
| | - Xiaolan Liu
- College of Food Engineering, Harbin University of Commerce, Harbin 150076, China;
- Key Laboratory of Corn Deep Processing Theory and Technology of Heilongjiang Province, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (Y.J.); (X.Z.)
- College of Food, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Yan Jing
- Key Laboratory of Corn Deep Processing Theory and Technology of Heilongjiang Province, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (Y.J.); (X.Z.)
| | - Xiqun Zheng
- Key Laboratory of Corn Deep Processing Theory and Technology of Heilongjiang Province, College of Food and Bioengineering, Qiqihar University, Qiqihar 161006, China; (Y.J.); (X.Z.)
- College of Food, Heilongjiang Bayi Agricultural University, Daqing 163319, China
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Jiang T, Zhang B, Zhang H, Wei M, Su Y, Song T, Ye S, Zhu Y, Wu W. Purification and Properties of a Plasmin-like Marine Protease from Clamworm ( Perinereis aibuhitensis). Mar Drugs 2024; 22:68. [PMID: 38393039 PMCID: PMC10890283 DOI: 10.3390/md22020068] [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: 12/14/2023] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 02/25/2024] Open
Abstract
Marine organisms are a rich source of enzymes that exhibit excellent biological activity and a wide range of applications. However, there has been limited research on the proteases found in marine mudflat organisms. Based on this background, the marine fibrinolytic enzyme FELP, which was isolated and purified from clamworm (Perinereis aibuhitensis), has exhibited excellent fibrinolytic activity. We demonstrated the FELP with a purification of 10.61-fold by precipitation with ammonium sulfate, ion-exchange chromatography, and gel-filtration chromatography. SDS-PAGE, fibrin plate method, and LC-MS/MS indicated that the molecular weight of FELP is 28.9 kDa and identified FELP as a fibrinolytic enzyme-like protease. FELP displayed the maximum fibrinolytic activity at pH 9 (407 ± 16 mm2) and 50 °C (724 ± 27 mm2) and had excellent stability at pH 7-11 (50%) or 30-60 °C (60%), respectively. The three-dimensional structure of some amino acid residues of FELP was predicted with the SWISS-MODEL. The fibrinolytic and fibrinogenolytic assays showed that the enzyme possessed direct fibrinolytic activity and indirect fibrinolysis via the activation of plasminogen; it could preferentially degrade Aα-chains of fibrinogen, followed by Bβ- and γ-chains. Overall, the fibrinolytic enzyme was successfully purified from Perinereis aibuhitensis, a marine Annelida (phylum), with favorable stability that has strong fibrinolysis activity in vitro. Therefore, FELP appears to be a potent fibrinolytic enzyme with an application that deserves further investigation.
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Affiliation(s)
- Tingting Jiang
- Department of Marine Biopharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (T.J.); (B.Z.); (H.Z.); (M.W.); (Y.S.); (T.S.); (S.Y.)
| | - Bing Zhang
- Department of Marine Biopharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (T.J.); (B.Z.); (H.Z.); (M.W.); (Y.S.); (T.S.); (S.Y.)
- Marine Biomedical Science and Technology Innovation Platform of Lin-gang Special Area, Lane 218, Haiji Sixth Road, Shanghai 201306, China
| | - Haixing Zhang
- Department of Marine Biopharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (T.J.); (B.Z.); (H.Z.); (M.W.); (Y.S.); (T.S.); (S.Y.)
| | - Mingjun Wei
- Department of Marine Biopharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (T.J.); (B.Z.); (H.Z.); (M.W.); (Y.S.); (T.S.); (S.Y.)
| | - Yue Su
- Department of Marine Biopharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (T.J.); (B.Z.); (H.Z.); (M.W.); (Y.S.); (T.S.); (S.Y.)
| | - Tuo Song
- Department of Marine Biopharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (T.J.); (B.Z.); (H.Z.); (M.W.); (Y.S.); (T.S.); (S.Y.)
| | - Shijia Ye
- Department of Marine Biopharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (T.J.); (B.Z.); (H.Z.); (M.W.); (Y.S.); (T.S.); (S.Y.)
| | - Yuping Zhu
- Basic Medical Experimental Teaching Center, Basic Medical College, Naval Medical University, Shanghai 200433, China
| | - Wenhui Wu
- Department of Marine Biopharmacology, College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; (T.J.); (B.Z.); (H.Z.); (M.W.); (Y.S.); (T.S.); (S.Y.)
- East China Sea Marine Biological Resources Engineering Technology Center, Zhongke Road, Putuo District, Zhoushan 316104, China
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5
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Dong W, Li H, Li Y, Wang Y, Dai L, Wang S. Characterization of active peptides derived from three leeches and comparison of their anti-thrombotic mechanisms using the tail vein thrombosis model in mice and metabonomics. Front Pharmacol 2024; 14:1324418. [PMID: 38333223 PMCID: PMC10851270 DOI: 10.3389/fphar.2023.1324418] [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: 10/19/2023] [Accepted: 12/26/2023] [Indexed: 02/10/2024] Open
Abstract
Background and aims: The increasing incidence of cardiovascular diseases has created an urgent need for safe and effective anti-thrombotic agents. Leech, as a traditional Chinese medicine, has the effect of promoting blood circulation and removing blood stasis, but its real material basis and mechanism of action for the treatment of diseases such as blood stasis and thrombosis have not been reported. Methods: In this study, Whitmania Pigra Whitman (WPW), Hirudo nipponica Whitman (HNW) and Whitmania acranutata Whitman (WAW) were hydrolyzed by biomimetic enzymatic hydrolysis to obtain the active peptides of WPW (APP), the active peptides of HNW (APH) and the active peptides of WAW (APA), respectively. Then their structures were characterized by sykam amino acid analyzer, fourier transform infrared spectrometer (FT-IR), circular dichroism (CD) spectrometer and LC-MS. Next, the anti-thrombotic activities of APP, APH and APA were determined by carrageenan-induced tail vein thrombosis model in mice, and the anti-thrombotic mechanisms of high-dose APP group (HAPP), high-dose APH group (HAPH) and high-dose APA group (HAPA) were explored based on UHPLC-Q-Exactive Orbitrap mass spectrometry. Results: The results showed that the amino acid composition of APP, APH and APA was consistent, and the proportion of each amino acid was few different. The results of FT-IR and CD showed that there were no significant differences in the proportion of secondary structures (such as β-sheet and random coil) and infrared absorption peaks between APP, APH and APA. Mass spectrometry data showed that there were 43 common peptides in APP, APH and APA, indicating that the three have common material basis. APP, APH and APA could significantly inhibit platelet aggregation, reduce black-tail length, whole blood viscosity (WBV), plasma viscosity (PV), and Fibrinogen (FIB), and prolong coagulation time, including activated partial thrombin time (APTT), prothrombin time (PT) and thrombin time (TT). In addition, 24 metabolites were identified as potential biomarkers associated with thrombosis development. Among these, 19, 23, and 20 metabolites were significantly normalized after administration of HAPP, HAPH, and HAPA in the mice, respectively. Furthermore, the intervention mechanism of HAPP, HAPH and HAPA on tail vein thrombosis mainly involved in linoleic acid metabolism, primary bile acid biosynthesis and ether lipid metabolism. Conclusion: Our findings suggest that APP, APH and APA can exert their anti-blood stasis and anti-thrombotic activities by interfering with disordered metabolic pathways in vivo, and there is no significant difference in their efficacies.
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Affiliation(s)
- Weichao Dong
- School of Pharmacy, Binzhou Medical University, Yantai, China
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Huajian Li
- School of Pharmacy, Binzhou Medical University, Yantai, China
- School of Pharmacy, ZheJiang Chinese Medicial University, Hangzhou, China
| | - Yanan Li
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Yuqing Wang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Long Dai
- School of Pharmacy, Binzhou Medical University, Yantai, China
| | - Shaoping Wang
- School of Pharmacy, Binzhou Medical University, Yantai, China
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Yang HR, Zahan MN, Yoon Y, Kim K, Hwang DH, Kim WH, Rho IR, Kim E, Kang C. Unveiling the Potent Fibrino(geno)lytic, Anticoagulant, and Antithrombotic Effects of Papain, a Cysteine Protease from Carica papaya Latex Using κ-Carrageenan Rat Tail Thrombosis Model. Int J Mol Sci 2023; 24:16770. [PMID: 38069092 PMCID: PMC10706441 DOI: 10.3390/ijms242316770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2023] [Revised: 11/24/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
While fibrinolytic enzymes and thrombolytic agents offer assistance in treating cardiovascular diseases, the existing options are associated with a range of adverse effects. In our previous research, we successfully identified ficin, a naturally occurring cysteine protease that possesses unique fibrin and fibrinogenolytic enzymes, making it suitable for both preventing and treating cardiovascular disorders linked to thrombosis. Papain is a prominent cysteine protease derived from the latex of Carica papaya. The potential role of papain in preventing fibrino(geno)lytic, anticoagulant, and antithrombotic activities has not yet been investigated. Therefore, we examined how papain influences fibrinogen and the process of blood coagulation. Papain is highly stable at pH 4-11 and 37-60 °C via azocasein assay. In addition, SDS gel separation electrophoresis, zymography, and fibrin plate assays were used to determine fibrinogen and fibrinolysis activity. Papain has a molecular weight of around 37 kDa, and is highly effective in degrading fibrin, with a molecular weight of over 75 kDa. Furthermore, papain-based hemostatic performance was confirmed in blood coagulation tests, a blood clot lysis assay, and a κ-carrageenan rat tail thrombosis model, highlighting its strong efficacy in blood coagulation. Papain shows dose-dependent blood clot lysis activity, cleaves fibrinogen chains of Aα, Bβ, and γ-bands, and significantly extends prothrombin time (PT) and activated partial thromboplastin time (aPTT). Moreover, the mean length of the infarcted regions in the tails of Sprague-Dawley rats with κ-carrageenan was shorter in rats administered 10 U/kg of papain than in streptokinase-treated rats. Thus, papain, a cysteine protease, has distinct fibrin and fibrinogenolytic properties, suggesting its potential for preventing or treating cardiovascular issues and thrombosis-related diseases.
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Affiliation(s)
- Hye Ryeon Yang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
| | - Most Nusrat Zahan
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
| | - Yewon Yoon
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
| | - Kyuri Kim
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
| | - Du Hyeon Hwang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
| | - Woo Hyun Kim
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
- Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Il Rae Rho
- Institutes of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea;
| | - Euikyung Kim
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
- Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
| | - Changkeun Kang
- Department of Basic Veterinary Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (H.R.Y.); (M.N.Z.); (Y.Y.); (K.K.); (D.H.H.); (W.H.K.); (E.K.)
- Institute of Animal Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea
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Hans N, Gupta S, Pattnaik F, Patel AK, Naik S, Malik A. Valorization of Kappaphycus alvarezii through extraction of high-value compounds employing green approaches and assessment of the therapeutic potential of κ-carrageenan. Int J Biol Macromol 2023; 250:126230. [PMID: 37558033 DOI: 10.1016/j.ijbiomac.2023.126230] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/28/2023] [Accepted: 08/06/2023] [Indexed: 08/11/2023]
Abstract
This study utilizes different emerging green extraction technologies to recover maximum value-added products from Kappaphycus alvarezii and evaluate their bio-functional properties. Using the supercritical fluid extraction (SFE) method, the total lipid yield of 0.21 ± 0.2 % was obtained from the biomass. Linoleic acid, eicosapentaenoic acid, arachidonic acid, γ-linolenic acid, and docosahexaenoic acid were present in higher concentrations (9.12 %) in the lipid extracted with SFE as compared to hexane (5.5 %). Using an ultrasonication assisted approach, ~56 % of κ-carrageenan was recovered from SFE residual biomass, which contains 28.5 ± 1.9 % sulfate content. It exhibited a monosaccharide content of 3,6-anhydrogalactose (~24 %) and galactose (~53 %), as well as rheological properties within FAO limitations that can be explored for food-grade applications. ~58 % of the total protein (12.5 %) from SFE residual biomass was recovered using subcritical water hydrolysis method. The effectiveness of κ-carrageenan in suppressing the 3CLpro of SARS-CoV-2 using in vitro and in silico approaches was investigated. κ-Carrageenan effectively inhibited the main protease by up to 93 % at 1.6 mg mL-1. In silico results revealed that κ-carrageenan successfully binds to the active site of the main protease while retaining the structural integrity and stability of protein-ligand complexes.
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Affiliation(s)
- Nidhi Hans
- Supercritical Fluid Extraction Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, New Delhi 110016, India
| | - Shreya Gupta
- Kausma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi, Delhi 110016, India
| | - Falguni Pattnaik
- Supercritical Fluid Extraction Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, New Delhi 110016, India
| | - Ashok Kumar Patel
- Kausma School of Biological Sciences, Indian Institute of Technology Delhi, New Delhi, Delhi 110016, India.
| | - Satyanarayan Naik
- Supercritical Fluid Extraction Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, New Delhi 110016, India.
| | - Anushree Malik
- Applied Microbiology Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology Delhi, New Delhi, New Delhi 110016, India.
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8
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Yang H, Bae S, Hwang DH, Prakash RLM, Kim JH, Hong IH, Kim WH, Rho IR, Kim E, Kang C. Nemopilema nomurai jellyfish venom attenuates phenotypic modulation of PDGF BB-induced vascular smooth muscle cells and κ-carrageenan-induced rat tail thrombosis. Toxicon 2023; 233:107266. [PMID: 37625553 DOI: 10.1016/j.toxicon.2023.107266] [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: 02/27/2023] [Revised: 07/31/2023] [Accepted: 08/22/2023] [Indexed: 08/27/2023]
Abstract
Jellyfish venoms have long been recognized as a potentially rich source of natural bioactive compounds with pharmacological potential for the creation of innovative drugs. Our previous study demonstrated that Nemopilema nomurai jellyfish venom (NnV) has a chymotrypsin-like serine protease with fibrinolytic activity in vitro. Therefore, the present study aims to investigate the potential effect of NnV on cell migration, proliferation, and differentiation of vascular smooth muscle cells (VSMC; A7r5 cells) involved in the probable mechanism pathways. We also determined its anti-thrombotic effect through κ-carrageenan-induced Sprague-Dawley (SD) rat tail thrombus model. NnV inhibits on Platelet-derived growth factor (PDGF)-BB-stimulated A7r5 cells migration and proliferation by decreasing matrix metalloproteinase 2 (MMP-2) level and phosphorylation of ERK and Akt in a dose-dependent manner, but not p38. Furthermore, NnV regulates the phenotype transition of differentiation in PDGF-BB-stimulated A7r5 cells via ɑ-SMA and calponin in a dose-dependent manner. In an in vivo study, NnV treatment demonstrated clear anti-thrombotic activity in a dose-dependent manner, which was associated with decreased thrombus formation and length in κ-carrageenan-induced SD rat tail. These findings suggested that NnV has a novel fibrinolytic enzyme that can be used to prevent and/or treat thrombosis-related cardiovascular disorders.
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Affiliation(s)
- Hyeryeon Yang
- College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Seongkyeong Bae
- College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Du Hyeon Hwang
- College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | | | - Jong-Hyun Kim
- College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea; Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Il-Hwa Hong
- College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea; Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Woo Hyun Kim
- College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea; Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Il Rae Rho
- Institute of Agriculture and Life Science, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Euikyung Kim
- College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea; Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Changkeun Kang
- College of Veterinary Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea; Institute of Animal Medicine, Gyeongsang National University, Jinju, 52828, Republic of Korea.
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Marković S, Andrejević NS, Milošević J, Polović NĐ. Structural Transitions of Papain-like Cysteine Proteases: Implications for Sensor Development. Biomimetics (Basel) 2023; 8:281. [PMID: 37504169 PMCID: PMC10807080 DOI: 10.3390/biomimetics8030281] [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: 02/27/2023] [Revised: 05/03/2023] [Accepted: 06/29/2023] [Indexed: 07/29/2023] Open
Abstract
The significant role of papain-like cysteine proteases, including papain, cathepsin L and SARS-CoV-2 PLpro, in biomedicine and biotechnology makes them interesting model systems for sensor development. These enzymes have a free thiol group that is suitable for many sensor designs including strong binding to gold nanoparticles or low-molecular-weight inhibitors. Focusing on the importance of the preservation of native protein structure for inhibitor-binding and molecular-imprinting, which has been applied in some efficient examples of sensor development, the aim of this work was to examine the effects of the free-thiol-group's reversible blocking on papain denaturation that is the basis of its activity loss and aggregation. To utilize biophysical methods common in protein structural transitions characterization, such as fluorimetry and high-resolution infrared spectroscopy, low-molecular-weight electrophilic thiol blocking reagent S-Methyl methanethiosulfonate (MMTS) was used in solution. MMTS binding led to a two-fold increase in 8-Anilinonaphthalene-1-sulfonic acid fluorescence, indicating increased hydrophobic residue exposure. A more in-depth analysis showed significant transitions on the secondary structure level upon MMTS binding, mostly characterized by the lowered content of α-helices and unordered structures (either for approximately one third), and the increase in aggregation-specific β-sheets (from 25 to 52%) in a dose-dependant manner. The recovery of this inhibited protein showed that reversibility of inhibition is accompanied by reversibility of protein denaturation. Nevertheless, a 100-fold molar excess of the inhibitor led to the incomplete recovery of proteolytic activity, which can be explained by irreversible denaturation. The structural stability of the C-terminal β-sheet rich domain of the papain-like cysteine protease family opens up an interesting possibility to use its foldamers as a strategy for sensor development and other multiple potential applications that rely on the great commercial value of papain-like cysteine proteases.
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Affiliation(s)
| | | | | | - Natalija Đ. Polović
- Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11000 Belgrade, Serbia
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