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Summer K, Browne J, Liu L, Benkendorff K. Molluscan Compounds Provide Drug Leads for the Treatment and Prevention of Respiratory Disease. Mar Drugs 2020; 18:md18110570. [PMID: 33228163 PMCID: PMC7699502 DOI: 10.3390/md18110570] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 11/16/2020] [Accepted: 11/16/2020] [Indexed: 12/26/2022] Open
Abstract
Respiratory diseases place an immense burden on global health and there is a compelling need for the discovery of new compounds for therapeutic development. Here, we identify research priorities by critically reviewing pre-clinical and clinical studies using extracts and compounds derived from molluscs, as well as traditional molluscan medicines, used in the treatment of respiratory diseases. We reviewed 97 biomedical articles demonstrating the anti-inflammatory, antimicrobial, anticancer, and immunomodulatory properties of >320 molluscan extracts/compounds with direct relevance to respiratory disease, in addition to others with promising bioactivities yet to be tested in the respiratory context. Of pertinent interest are compounds demonstrating biofilm inhibition/disruption and antiviral activity, as well as synergism with approved antimicrobial and chemotherapeutic agents. At least 100 traditional medicines, incorporating over 300 different mollusc species, have been used to treat respiratory-related illness in cultures worldwide for thousands of years. These medicines provide useful clues for the discovery of bioactive components that likely underpin their continued use. There is particular incentive for investigations into anti-inflammatory compounds, given the extensive application of molluscan traditional medicines for symptoms of inflammation, and shells, which are the principal molluscan product used in these preparations. Overall, there is a need to target research toward specific respiratory disease-related hypotheses, purify bioactive compounds and elucidate their chemical structures, and develop an evidence base for the integration of quality-controlled traditional medicines.
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Affiliation(s)
- Kate Summer
- Marine Ecology Research Centre, School of Environment, Science and Engineering, Southern Cross University, GPO Box 157, Lismore, NSW 2480, Australia;
| | - Jessica Browne
- School of Health and Human Sciences, Southern Cross University, Terminal Drive, Bilinga, QLD 4225, Australia;
| | - Lei Liu
- Southern Cross Plant Science, Southern Cross University, GPO Box 157, Lismore, NSW 2480, Australia;
| | - Kirsten Benkendorff
- National Marine Science Centre, Southern Cross University, 2 Bay Drive, Coffs Harbour, NSW 2450, Australia
- Correspondence: ; Tel.: +61-429-520-589
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Kristiana R, Bedoux G, Pals G, Mudianta IW, Taupin L, Marty C, Asagabaldan MA, Ayuningrum D, Trianto A, Bourgougnon N, Radjasa OK, Sabdono A, Hanafi M. Bioactivity of compounds secreted by symbiont bacteria of Nudibranchs from Indonesia. PeerJ 2020; 8:e8093. [PMID: 31915568 PMCID: PMC6942679 DOI: 10.7717/peerj.8093] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2019] [Accepted: 10/23/2019] [Indexed: 01/12/2023] Open
Abstract
The aims of this work are to isolate bacterial symbionts from nudibranchs and subsequently to determine anti-Methicillin resistant Staphylococcus aureus (MRSA), cytotoxicity and anti-Herpes simplex virus type 1 (HSV-1) activities of bio compounds. A total of 15 species of nudibranchs were collected from Karimunjawa and five species from Bali, respectively. A total of 245 bacteria isolates were obtained. The anti-MRSA activity screening activity indicated two active bacteria. Ethyl acetate extracts from supernatants, indicating extracelullar compounds, showed an inhibition zone against MRSA at concentrations of 500–1,000 µg/ml. DNA sequence analysis showed that the strain KJB-07 from Phyllidia coelestis was closely related to Pseudoalteromonas rubra, whereas the strain NP31-01 isolated from Phyllidia varicosa was closely related to Virgibacillus salarius. The extract of Pseudoalteromonas rubra was cytotoxic to Vero cells at a concentration of 75 µg/ml. The extract of V. salarius presented no cytotoxicity at concentrations of 5–1,000 µg/ml. No anti HSV-1 was observed for both isolated bacteria. This is the first study describing research on anti-MRSA, cytotoxicity and anti HSV-1 activity of bacterial symbionts from the viscera of nudibranch. Compounds produced by Pseudoalteromonas rubra and V. salarius, had potential anti-MRSA activity. However, only extracts from Pseudoalteromonas rubra showed cytotoxic effects on Vero cells. Three compounds were identified by LC/MS after purification from culture supernatant.
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Affiliation(s)
- Rhesi Kristiana
- Department of Coastal Resources Management, Universities Diponegoro, Semarang, Central Java, Indonesia
| | - Gilles Bedoux
- Laboratory of Marine Biotechnology and Chemistry, Université de Bretagne Sud, Vannes, Bretagne, France
| | - Gerard Pals
- Center for Connective Tissue research, VU University medical center, Amsterdam, The Netherlands
| | - I Wayan Mudianta
- Chemical Analysis Study Program, Universitas Pendidikan Ganesha, Singaraja, Bali, Indonesia
| | - Laure Taupin
- Laboratory of Marine Biotechnology and Chemistry, Université de Bretagne Sud, Vannes, Bretagne, France
| | - Christel Marty
- Laboratory of Marine Biotechnology and Chemistry, Université de Bretagne Sud, Vannes, Bretagne, France
| | | | - Diah Ayuningrum
- Department of Coastal Resources Management, Universities Diponegoro, Semarang, Central Java, Indonesia.,Department of Aquatic Resource Management, Diponegoro University, Semarang, Central Java, Indonesia
| | - Agus Trianto
- Department of Marine Sciences, Faculty of Fisheries and Marine Sciences, Universities Diponegoro, Semarang, Central Java, Indonesia
| | - Nathalie Bourgougnon
- Laboratory of Marine Biotechnology and Chemistry, Université de Bretagne Sud, Vannes, Bretagne, France
| | - Ocky Karna Radjasa
- Department of Marine Sciences, Faculty of Fisheries and Marine Sciences, Universities Diponegoro, Semarang, Central Java, Indonesia
| | - Agus Sabdono
- Department of Marine Sciences, Faculty of Fisheries and Marine Sciences, Universities Diponegoro, Semarang, Central Java, Indonesia
| | - Muhammad Hanafi
- Research Center for Chemistry, Indonesian Institute of Sciences., Tangerang Selatan, Banten, Indonesia.,Faculty of Pharmacy, Pancasila University, Srengseng Sawah Jakarta Selatan, Indonesia
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de Toledo-Piza AR, de Oliveira MI, Negri G, Mendonça RZ, Figueiredo CA. Polyunsaturated fatty acids from Phyllocaulis boraceiensis mucus block the replication of influenza virus. Arch Microbiol 2018; 200:961-970. [PMID: 29616305 DOI: 10.1007/s00203-018-1507-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 03/24/2018] [Accepted: 03/27/2018] [Indexed: 01/09/2023]
Abstract
Influenza viruses cause worldwide outbreaks and pandemics in humans and animals every year with considerable morbidity and mortality. The molecular diversity of secondary metabolites extracted from mollusks is a good alternative for the discovery of novel bioactive compounds with unique structures and diverse biological activities. Phyllocaulis boraceiensis is a hermaphroditic slug that exudes mucus, in which was detected hydroxy polyunsaturated fatty acids that exhibited potent antiviral activity against measles virus. The objective of this study was to evaluate this property against Influenza viruses. Cell viability and toxicity of the mucus were evaluated on Madin-Darby canine kidney (MDCK) cells by MTT assay. Antiviral activity from mucus against influenza viruses was carried out by determination of the virus infection dose and by immunofluorescence assays. The crude mucus and its fractions exhibited low cytotoxicity on MDCK cells. A significant inhibition of viral replication, reduced by the order of eight times, was observed in influenza-induced cytopathic effect. In immunofluorescence assay was observed a decrease of more than 80% of the viral load on infected MDCK cell treated with mucus and its fractions. The viral glycoproteins hemagglutinin and neuraminidase located on the surface of the virus are crucial for the replications and infectivity of the influenza virus. Some authors demonstrated that lipids, such as, polyunsaturated fatty acids exhibited multiple roles in antiviral innate and adaptive responses, control of inflammation, and in the development of antiviral therapeutics. As corroborated by other studies, hydroxy polyunsaturated fatty acids interfered with the binding of influenza virus on host cell receptor and reduced viral titers. The results obtained indicated that polyunsaturated fatty acids from P. boraceiensis crude mucus and fractions 39 exerted antiviral activity against influenza virus.
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Affiliation(s)
- Ana Rita de Toledo-Piza
- Laboratory of Parasitology, Butantan Institute, 1500th, Vital Brazil Ave, São Paulo, SP, Brazil.
| | - Maria Isabel de Oliveira
- Respiratory Infectious Diseases, Adolfo Lutz Institute, 355th, Doutor Arnaldo Ave, São Paulo, SP, Brazil
| | - Giuseppina Negri
- Department of Preventive Medicine, Federal University of São Paulo, 740th, Botucatu St., São Paulo, SP, Brazil
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Cilia G, Fratini F. Antimicrobial properties of terrestrial snail and slug mucus. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2018; 15:/j/jcim.ahead-of-print/jcim-2017-0168/jcim-2017-0168.xml. [PMID: 29596054 DOI: 10.1515/jcim-2017-0168] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 03/12/2018] [Indexed: 11/15/2022]
Abstract
Abstract
Snail and slug mucus is a viscous-elastic substance secreted by specific glands with adhesive and lubricants properties that allows them to adhere tenaciously to many different surfaces. It has been used since ancient times for care and human health and it is still very important in traditional and folkloristic medicine. Recently, mucus from snail and slugs and its protein and components have been subjected to some investigations on their antibacterial, antiviral and antifungal activity due to extensive traditional uses and for a future application in medicine. Antimicrobial activities of crude mucus, and its components, against different microorganism have been reported, showing antimicrobial activities that lead their potential employment in several fields as natural additives. The purpose of this Review is to summarize the results of antimicrobial studies of snail and slug mucus and its compounds from the first scientific applications to the isolation of the single components in order to better understand its application and propose an employment in future studies as a natural antimicrobial agent.
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Affiliation(s)
- Giovanni Cilia
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, Pisa, Italy
| | - Filippo Fratini
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, Pisa, Italy.,Interdepartmental Research Center "Nutraceuticals and Food for Health", University of Pisa, Via del Borghetto 80, Pisa, Italy
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