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Extraction, Characterization, and Antioxidant Activity of Polysaccharides from Ajwa Seed and Flesh. SEPARATIONS 2023. [DOI: 10.3390/separations10020103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The date palm has been cultivated in dry and hot areas of the planet for much of human history. In the Kingdom of Saudi Arabia, dates are the main crop used as a source of food. Among several species of date fruits, the Ajwa AL-Madinah date is unique, growing only in Al-Madinah geographical region. The Ajwa date is used in traditional medicine due to its abundant active components and therapeutic properties. This study investigates the structural properties and the antioxidant effects of water-soluble polysaccharides extracted from Ajwa flesh and seed. The polysaccharides were isolated by two techniques including hot water and ultrasonic extraction. After isolation and partial purification, the physicochemical properties of four samples of polysaccharides extracted from flesh and seed were studied by several techniques including FTIR, solid-state NMR, elemental analysis, and mass spectrometry. Several radical scavenging experiments were combined to study the antioxidant activity of the polysaccharide compounds. FTIR and NMR results showed a structure typical of heterogeneous polysaccharides. Mass spectrometry revealed that the polysaccharide samples were composed mainly of mannose, glucose, galactose, xylose, arabinose, galacturonic acid, and fucose. In addition, the physicochemical properties and composition of polysaccharides extracted from flesh and seed were compared. The extracted polysaccharides showed antioxidant activity, with 2, 2′-azinobis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) radical scavenging, Fe chelating ability, hydroxyl free radical scavenging ability, and 2, 2-diphenyl-1-picrylhydrazyl (DPPH) radical scavenging. These results highlight their potential to be a useful nutritional element or supplemental medication.
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Dhahri M, Sioud S, Dridi R, Hassine M, Boughattas NA, Almulhim F, Al Talla Z, Jaremko M, Emwas AHM. Extraction, Characterization, and Anticoagulant Activity of a Sulfated Polysaccharide from Bursatella leachii Viscera. ACS OMEGA 2020; 5:14786-14795. [PMID: 32596616 PMCID: PMC7315596 DOI: 10.1021/acsomega.0c01724] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Accepted: 05/27/2020] [Indexed: 05/31/2023]
Abstract
Bioactive compounds for drug discovery are increasingly extracted and purified from natural sources including marine organisms. Heparin is a therapeutic agent that has been used for several decades as an anticoagulant. However, heparin is known to cause many undesirable complications such as thrombocytopenia and risk of hemorrhage. Hence, there is a need to find alternatives to current widely used anticoagulant drugs. Here, we extract a sulfated polysaccharide from sea hare, that is, Bursatella leachii viscera, by enzymatic digestion. Several analytical approaches including elemental analysis, Fourier-transform infrared spectroscopy, nuclear magnetic resonance, and high-performance liquid chromatography-mass spectrometry analysis show that B. leachii polysaccharides have chemical structures similar to glycosaminoglycans. We explore the anticoagulant activity of the B. leachii extract using the activated partial thromboplastin time and the thrombin time. Our results demonstrate that the extracted sulfated polysaccharide has heparin-like anticoagulant activity, thus showing great promise as an alternative anticoagulant therapy.
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Affiliation(s)
- Manel Dhahri
- Biology Department,
Faculty of Science Yanbu, Taibah University, 46423 Yanbu El-Bahr, Saudi Arabia
| | - Salim Sioud
- Analytical Core Lab, King Abdullah University of Science and Technology (KAUST), 23955-6900 Thuwal, Kingdom of Saudi
| | - Rihab Dridi
- Laboratory of Pharmacology,
Faculty of Medicine of Monastir, University
of Monastir, 5000 Monastir, Tunisia
| | - Mohsen Hassine
- Hematology Department, Fattouma Bourguiba University Hospital, 5000 Monastir, Tunisia
| | - Naceur A. Boughattas
- Laboratory of Pharmacology,
Faculty of Medicine of Monastir, University
of Monastir, 5000 Monastir, Tunisia
| | - Fatimah Almulhim
- Biological and Environmental Science and
Engineering (BESE), King Abdullah University
of Science and Technology (KAUST), 23955-6900 Thuwal, Saudi Arabia
| | - Zeyad Al Talla
- ANPERC, King Abdullah University
of Science and Technology (KAUST), 23955-6900 Thuwal, Kingdom of Saudi
| | - Mariusz Jaremko
- Biological and Environmental Science and
Engineering (BESE), King Abdullah University
of Science and Technology (KAUST), 23955-6900 Thuwal, Saudi Arabia
| | - Abdul-Hamid M. Emwas
- Core Labs, King
Abdullah University of Science and Technology (KAUST), 23955-6900 Thuwal, Kingdom of Saudi
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Talmoudi N, Ghariani N, Sadok S. Glycosaminoglycans from Co-Products of « Scyliorhinus canicula»: Extraction and Purification in Reference to the European Pharmacopoeia Requirement. Biol Proced Online 2020; 22:1. [PMID: 31908599 PMCID: PMC6939328 DOI: 10.1186/s12575-019-0113-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Accepted: 12/11/2019] [Indexed: 11/10/2022] Open
Abstract
Background Glycosaminoglycans (GAGs), including hyaluronic acid (HA), dermatan sulfate (DS) and chondroitin sulfate (CS) are essential components of the bone and cartilage tissues. CS isolated from the cartilage tissue of various animals has found application in pharmaceuticals, cosmetics and food industries. In the first part of the present work, three methods were used and compared to extract and purify glycosaminoglycans (GAGs) from the cartilage powder of a local cartilaginous marine species «Scyliorhinus canicula». One of these GAGs, chondroitin sulfate (CS), will be exploited for the development of an anti-osteoarthritis generic at the request of a collaborative pharmaceutical industry. Thus this active ingredient must meet the requirements and tests described by the European Pharmacopoeia (Ph. Eur.). These tests are treated in the second part of this work. Results Among the three methods that have been applied in the present work, in order to optimize the best process for GAGs preparation, enzymatic hydrolysis with papain followed by deproteinisation using trichloroacetic acid (TCA) was found the best one. The separation of the extracted GAGs using agarose gel electrophoresis, and the identification of bands by Fourier Transform Infrared (FT-IR) Spectroscopy, revealed that the cartilage GAGs of « Scyliorhinus canicula» are exclusively chondroitin sulfate (CS) and dermatane sulfate (DS), with proportions of 12.889 and 87.111% respectively, and that CS is of type C. The extraction technique with papain provides a product with GAGs content of around 90%. The TCA deproteinisation yielded the lowest level of protein (2.8%) in the extracted GAGs, less than 3%, which is the standard required by the European Pharmacopoeia (Ph. Eur.).Cetylpyridinium chloride (CPC) assay suggests that the titration technique, although is introduced by the Ph. Eur. for the determination of CS content, is not an accurate method, and that the values obtained by the optimized and validated HPLC method, described in this work, are more exact. Conclusion The extracted and purified active ingredient is perfectly conform to the tests described by the Ph. Eur. The results suggest that the co-product of Scyliorhinus canicula would be a perfect source of molecules of pharmacological interest, obtained by a simple and non-agressive process.
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Affiliation(s)
- Nawras Talmoudi
- 1Blue Biotechnology & Aquatic Bioproducts Laboratory (B3Aqua)-Institut National des Sciences et technologies de la Mer (INSTM), 28, street March 2, 1934 -Salammbô, 2035 Tunis, Tunisia.,2Faculty of Mathematical, Physical and Natural Sciences of Tunis-University of El Manar, Tunis, Tunisia.,TERIAK pharmaceutical companies, Industrial Zone Cheylus, 1111 JEBEL OUEST, Tunisia
| | - Noureddine Ghariani
- TERIAK pharmaceutical companies, Industrial Zone Cheylus, 1111 JEBEL OUEST, Tunisia
| | - Saloua Sadok
- 1Blue Biotechnology & Aquatic Bioproducts Laboratory (B3Aqua)-Institut National des Sciences et technologies de la Mer (INSTM), 28, street March 2, 1934 -Salammbô, 2035 Tunis, Tunisia.,2Faculty of Mathematical, Physical and Natural Sciences of Tunis-University of El Manar, Tunis, Tunisia
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Sayari N, Martinez‐Alvarez O, Ben Mansour M, Sila A, Mokni A, Besbes S, Bougatef A, Balti R. Structural characteristics and biological activities of sulfated glycosaminoglycans extracted from shrimp by‐products. J Food Biochem 2018. [DOI: 10.1111/jfbc.12647] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Nadhem Sayari
- Laboratoire d’Amélioration de Plantes et Valorisation des Agro‐ressources (LAPVA), National School of Engineering University of Sfax Sfax Tunisia
| | | | - Mohamed Ben Mansour
- Laboratoire de Génétique, Biodiversité et Valorisation des Bioressources (LR11ES41) University of Monastir Monastir Tunisia
| | - Assaad Sila
- Laboratoire d’Amélioration de Plantes et Valorisation des Agro‐ressources (LAPVA), National School of Engineering University of Sfax Sfax Tunisia
| | - Abir Mokni
- Laboratoire Analyses Alimentaires, National School of Engineering University of Sfax Sfax Tunisia
| | - Souhail Besbes
- Laboratoire Analyses Alimentaires, National School of Engineering University of Sfax Sfax Tunisia
| | - Ali Bougatef
- Laboratoire d’Amélioration de Plantes et Valorisation des Agro‐ressources (LAPVA), National School of Engineering University of Sfax Sfax Tunisia
| | - Rafik Balti
- Laboratoire d’Amélioration de Plantes et Valorisation des Agro‐ressources (LAPVA), National School of Engineering University of Sfax Sfax Tunisia
- Unité de Physiologie Fonctionnelle et Valorisation des Bio‐Ressources (UR17ES27), Higher Institute of Biotechnology of Beja University of Jendouba Beja Tunisia
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Access to new anticoagulant by sulfation of pectin-like polysaccharides isolated from Opuntia ficus indica cladodes. Int J Biol Macromol 2018; 120:1794-1800. [DOI: 10.1016/j.ijbiomac.2018.09.130] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 09/06/2018] [Accepted: 09/22/2018] [Indexed: 11/23/2022]
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Wodicka JR, Chambers AM, Sangha GS, Goergen CJ, Panitch A. Development of a Glycosaminoglycan Derived, Selectin Targeting Anti-Adhesive Coating to Treat Endothelial Cell Dysfunction. Pharmaceuticals (Basel) 2017; 10:ph10020036. [PMID: 28353658 PMCID: PMC5490393 DOI: 10.3390/ph10020036] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 03/22/2017] [Accepted: 03/24/2017] [Indexed: 12/26/2022] Open
Abstract
Endothelial cell (EC) dysfunction is associated with many disease states including deep vein thrombosis (DVT), chronic kidney disease, sepsis and diabetes. Loss of the glycocalyx, a thin glycosaminoglycan (GAG)-rich layer on the EC surface, is a key feature of endothelial dysfunction and increases exposure of EC adhesion molecules such as selectins, which are involved in platelet binding to ECs. Once bound, platelets cause thrombus formation and an increased inflammatory response. We have developed a GAG derived, selectin targeting anti-adhesive coating (termed EC-SEAL) consisting of a dermatan sulfate backbone and multiple selectin-binding peptides designed to bind to inflamed endothelium and prevent platelet binding to create a more quiescent endothelial state. Multiple EC-SEAL variants were evaluated and the lead variant was found to preferentially bind to selectin-expressing ECs and smooth muscle cells (SMCs) and inhibit platelet binding and activation in a dose-dependent manner. In an in vivo model of DVT, treatment with the lead variant resulted in reduced thrombus formation. These results indicate that EC-SEAL has promise as a potential therapeutic in the treatment of endothelial dysfunction.
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Affiliation(s)
- James R Wodicka
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA.
- Indiana University School of Medicine, Indianapolis, IN 46202, USA.
| | - Andrea M Chambers
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA.
| | - Gurneet S Sangha
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA.
| | - Craig J Goergen
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA.
| | - Alyssa Panitch
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, USA.
- Department of Biomedical Engineering, University of California-Davis, Davis, CA 95616, USA.
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Dhahri M, Rodriguez-Ruiz V, Aid-Launais R, Ollivier V, Pavon-Djavid G, Journé C, Louedec L, Chaubet F, Letourneur D, Maaroufi RM, Meddahi-Pellé A. In vitro
and in vivo
hemocompatibility evaluation of a new dermatan sulfate-modified PET patch for vascular repair surgery. J Biomed Mater Res B Appl Biomater 2016; 105:2001-2009. [DOI: 10.1002/jbm.b.33733] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 05/27/2016] [Accepted: 06/01/2016] [Indexed: 02/03/2023]
Affiliation(s)
- Manel Dhahri
- Laboratoire de Pharmacologie 04/UR/01-09, Faculté de Médecine, Université de Monastir; Monastir Tunisia
| | - Violeta Rodriguez-Ruiz
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot; Sorbonne Paris Cité Paris, France
| | - Rachida Aid-Launais
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot; Sorbonne Paris Cité Paris, France
| | - Véronique Ollivier
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot; Sorbonne Paris Cité Paris, France
| | - Graciela Pavon-Djavid
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot; Sorbonne Paris Cité Paris, France
| | - Clément Journé
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot; Sorbonne Paris Cité Paris, France
| | - Liliane Louedec
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot; Sorbonne Paris Cité Paris, France
| | - Frédéric Chaubet
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot; Sorbonne Paris Cité Paris, France
| | - Didier Letourneur
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot; Sorbonne Paris Cité Paris, France
| | - Raoui M. Maaroufi
- Institut Supérieur de Biotechnologie de Monastir, Laboratoire de recherche Génétique, biodiversité et valorisation des bioressources LR11ES41, Université de Monastir; Monastir Tunisia
| | - Anne Meddahi-Pellé
- INSERM, U1148, LVTS, Université Paris 13, Université Paris Diderot; Sorbonne Paris Cité Paris, France
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Anticoagulant properties and cytotoxic effect against HCT116 human colon cell line of sulfated glycosaminoglycans isolated from the Norway lobster ( Nephrops norvegicus ) shell. Biomed Pharmacother 2016; 80:322-330. [DOI: 10.1016/j.biopha.2016.03.027] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2015] [Revised: 03/19/2016] [Accepted: 03/21/2016] [Indexed: 12/11/2022] Open
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Fish discards management in selected Spanish and Portuguese métiers: Identification and potential valorisation. Trends Food Sci Technol 2014. [DOI: 10.1016/j.tifs.2013.12.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Meyer W, Seegers U. Basics of skin structure and function in elasmobranchs: a review. JOURNAL OF FISH BIOLOGY 2012; 80:1940-67. [PMID: 22497413 DOI: 10.1111/j.1095-8649.2011.03207.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
In contrast to the bony fishes, particularly the teleosts, the integument of elasmobranchs is rather unknown. Therefore, a description of the basic structural and functional features of shark and ray skin is given, based on a review of the literature and published or unpublished findings of the authors. The latter aspect makes it possible to document in more detail the specific structure of the skin layers regarding, particularly, the epidermis and its cell spectrum, the more or less robust dermis with its specific features, the very special scales with their derivates and the sophisticated sensoric integumental equipment. As far as possible, all important structures are discussed including their typical biological functions and results from applied scientific work. To some extent the information given is evaluated as compared with the much broader knowledge from the Osteichthyes.
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Affiliation(s)
- W Meyer
- Institute for Anatomy, University of Veterinary Medicine Hannover Foundation, Bischofsholer Damm 15, 30173 Hannover, Germany.
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Dhahri M, Abed A, Lajimi RH, Mansour MB, Gueguen V, Abdesselem SB, Chaubet F, Letourneur D, Meddahi-Pellé A, Maaroufi RM. Grafting of dermatan sulfate on polyethylene terephtalate to enhance biointegration. J Biomed Mater Res A 2011; 98:114-21. [DOI: 10.1002/jbm.a.33077] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2010] [Revised: 11/17/2010] [Accepted: 01/11/2011] [Indexed: 11/09/2022]
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