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Ren M, Yang L, He L, Wang J, Zhao W, Yang C, Yang S, Cheng H, Huang M, Gou M. Non-viral Gene Therapy for Melanoma Using Lysenin from Eisenia Foetida. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306076. [PMID: 38445883 PMCID: PMC11077637 DOI: 10.1002/advs.202306076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 02/01/2024] [Indexed: 03/07/2024]
Abstract
Earthworms, long utilized in traditional medicine, serve as a source of inspiration for modern therapeutics. Lysenin, a defensive factor in the coelom fluid of the earthworm Eisenia fetida, has multiple bioactivities. However, the inherent toxicity of Lysenin as a pore-forming protein (PFP) restricts its application in therapy. Here, a gene therapy strategy based on Lysenin for cancer treatment is presented. The formulation consists of polymeric nanoparticles complexed with the plasmid encoding Lysenin. After transfection in vitro, melanoma cells can express Lysenin, resulting in necrosis, autophagy, and immunogenic cell death. The secretory signal peptide alters the intracellular distribution of the expressed product of Lysenin, thereby potentiating its anticancer efficacy. The intratumor injection of Lysenin gene formulation can efficiently kill the transfected melanoma cells and activate the antitumor immune response. Notably, no obvious systemic toxicity is observed during the treatment. Non-viral gene therapy based on Lysenin derived from Eisenia foetida exhibits potential in cancer therapy, which can inspire future cancer therapeutics.
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Affiliation(s)
- Min Ren
- Department of BiotherapyCancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduSichuan610041China
| | - Ling Yang
- Department of BiotherapyCancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduSichuan610041China
| | - Liming He
- Department of BiotherapyCancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduSichuan610041China
| | - Jie Wang
- Department of BiotherapyCancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduSichuan610041China
| | - Wei Zhao
- Department of BiotherapyCancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduSichuan610041China
| | - Chunli Yang
- Department of BiotherapyCancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduSichuan610041China
| | - Shuai Yang
- Department of BiotherapyCancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduSichuan610041China
| | - Hao Cheng
- Huahang Microcreate Technology Co., LtdChengduSichuan610041China
| | - Meijuan Huang
- Division of Thoracic Tumor Multimodality Treatment and Department of Medical OncologyCancer CenterWest China HospitalSichuan UniversityChengduSichuan610041China
| | - Maling Gou
- Department of BiotherapyCancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengduSichuan610041China
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Swiderska B, Kedracka-Krok S, Panz T, Morgan AJ, Falniowski A, Grzmil P, Plytycz B. Lysenin family proteins in earthworm coelomocytes - Comparative approach. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2017; 67:404-412. [PMID: 27567602 DOI: 10.1016/j.dci.2016.08.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 08/22/2016] [Accepted: 08/22/2016] [Indexed: 05/17/2023]
Abstract
Sphingomyelin-binding proteins of the lysenin family were originally identified in earthworms belonging to the genus Eisenia comprised of at least two distinct species, E. andrei and E. fetida, until recently considered subspecies or morphotypes of E. foetida (sic). In the present study the presence of lysenin and lysenin-related protein 2 (LRP-2, known also as fetidin) was detected in coelomocytes retrieved from all investigated adult specimens of E. andrei, and E. fetida. They were accompanied by LRP-3 and LRP-1 in some specimens of E. andrei and E. fetida, respectively. Lysenins were not observed in a third composting lumbricid species, Dendrobaena veneta, which served as a convenient negative reference for techniques and procedures used in the study. The pore-forming potential of soluble and cellular fractions of coelomic fluid was studied towards sheep red blood cells and sphingomyelin-rich liposomes. After experimental depletion the potential was restored in parallel with restoration of chloragocyte-derived eleocytes in both E. andrei and E. fetida.
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Affiliation(s)
- Bianka Swiderska
- Department of Physical Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland; Laboratory of Proteomics and Mass Spectrometry, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Sylwia Kedracka-Krok
- Department of Physical Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Kraków, Poland; Laboratory of Proteomics and Mass Spectrometry, Malopolska Centre of Biotechnology, Jagiellonian University, Krakow, Poland
| | - Tomasz Panz
- Department of Biophysics, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - A John Morgan
- Cardiff School of Biosciences, Main Building, Cardiff University, Cardiff CF10 3US, Wales, UK
| | - Andrzej Falniowski
- Department of Malacology, Institute of Zoology, Faculty of Biology and Earth Sciences, Jagiellonian University, Kraków, Poland
| | - Pawel Grzmil
- Department of Genetics and Evolution, Institute of Zoology, Faculty of Biology and Earth Sciences, Jagiellonian University, Kraków, Poland
| | - Barbara Plytycz
- Department of Evolutionary Immunology, Institute of Zoology, Faculty of Biology and Earth Sciences, Jagiellonian University, Kraków, Poland.
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Abe M, Kobayashi T. Dynamics of sphingomyelin- and cholesterol-enriched lipid domains during cytokinesis. Methods Cell Biol 2016; 137:15-24. [PMID: 28065303 DOI: 10.1016/bs.mcb.2016.03.030] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Sphingomyelin (SM) and cholesterol (Chol) are the major lipids in the mammalian cells, which are mainly localized to the plasma membrane. Multiple lines of evidence suggest that these lipids form local lipid domains in the plasma membrane, playing functional roles in the cell. Several observations have suggested that these lipid domains are required for cytokinesis. In this chapter, we show the methods for visualizing SM-rich and/or Chol-rich membrane domains at cytokinesis by using specific lipid-binding proteins. Lysenin, equinatoxin II, perfringolysin O, and pleurotolysin A2 bind specifically to clustered SM-rich domain, dispersed SM-rich domain, Chol-rich domain, and SM/Chol mixtures, respectively. Nontoxic forms of these lipid-binding proteins fused to fluorescent proteins are used for imaging lipid domains in biological membranes at cytokinesis. The image analysis reveals the structures and functions of SM-rich and/or Chol-rich domains at the time of cytokinesis.
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Affiliation(s)
- M Abe
- RIKEN, Wako, Saitama, Japan
| | - T Kobayashi
- RIKEN, Wako, Saitama, Japan; CNRS, Illkirch, France
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Kishimoto T, Ishitsuka R, Kobayashi T. Detectors for evaluating the cellular landscape of sphingomyelin- and cholesterol-rich membrane domains. Biochim Biophys Acta Mol Cell Biol Lipids 2016; 1861:812-829. [PMID: 26993577 DOI: 10.1016/j.bbalip.2016.03.013] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2015] [Revised: 02/09/2016] [Accepted: 03/09/2016] [Indexed: 12/11/2022]
Abstract
Although sphingomyelin and cholesterol are major lipids of mammalian cells, the detailed distribution of these lipids in cellular membranes remains still obscure. However, the recent development of protein probes that specifically bind sphingomyelin and/or cholesterol provides new information about the landscape of the lipid domains that are enriched with sphingomyelin or cholesterol or both. Here, we critically summarize the tools to study distribution and dynamics of sphingomyelin and cholesterol. This article is part of a Special Issue entitled: The cellular lipid landscape edited by Tim P. Levine and Anant K. Menon.
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Affiliation(s)
| | - Reiko Ishitsuka
- Lipid Biology Laboratory, RIKEN, Wako, Saitama 351-0198, Japan
| | - Toshihide Kobayashi
- Lipid Biology Laboratory, RIKEN, Wako, Saitama 351-0198, Japan; INSERM U1060, Université Lyon 1, Villeurbanne 69621, France.
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Earthworm-derived pore-forming toxin lysenin and screening of its inhibitors. Toxins (Basel) 2013; 5:1392-401. [PMID: 23965430 PMCID: PMC3760042 DOI: 10.3390/toxins5081392] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2013] [Revised: 07/08/2013] [Accepted: 07/31/2013] [Indexed: 11/16/2022] Open
Abstract
Lysenin is a pore-forming toxin from the coelomic fluid of earthworm Eisenia foetida. This protein specifically binds to sphingomyelin and induces erythrocyte lysis. Lysenin consists of 297 amino acids with a molecular weight of 41 kDa. We screened for cellular signal transduction inhibitors of low molecular weight from microorganisms and plants. The purpose of the screening was to study the mechanism of diseases using the obtained inhibitors and to develop new chemotherapeutic agents acting in the new mechanism. Therefore, our aim was to screen for inhibitors of Lysenin-induced hemolysis from plant extracts and microbial culture filtrates. As a result, we isolated all-E-lutein from an extract of Dalbergia latifolia leaves. All-E-lutein is likely to inhibit the process of Lysenin-membrane binding and/or oligomer formation rather than pore formation. Additionally, we isolated tyrosylproline anhydride from the culture filtrate of Streptomyces as an inhibitor of Lysenin-induced hemolysis.
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Abe M, Kobayashi T. Imaging local sphingomyelin-rich domains in the plasma membrane using specific probes and advanced microscopy. Biochim Biophys Acta Mol Cell Biol Lipids 2013; 1841:720-6. [PMID: 23860017 DOI: 10.1016/j.bbalip.2013.07.003] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2013] [Revised: 07/02/2013] [Accepted: 07/04/2013] [Indexed: 01/28/2023]
Abstract
Sphingomyelin (SM) is one of the major lipids in the mammalian plasma membrane. Multiple lines of evidence suggest that SM plays at least two functional roles in the cell, as a reservoir of lipid second messengers and as a platform for signaling molecules. To understand the molecular organization and dynamics of the SM-rich membrane domains, new approaches have been developed utilizing newly characterized specific SM-binding probes and state-of-the-art microscopy techniques. The toxic protein from the sea anemone, equinatoxin II, has been characterized as a specific probe for SM. The cytolytic protein from the earthworm, lysenin, has also been used as a SM-specific probe for the analysis of the heterogeneity of SM-rich membrane domains. Recently, using a non-toxic form of lysenin, we showed the spatial and temporal localization of SM in the plasma membrane by confocal and super-resolution microscopy. New microscopy techniques have also been introduced by other groups to help visualize membrane lipid domains. Here we review the most recent studies on imaging the SM-rich domains in biological membranes. This article is part of a Special Issue entitled New Frontiers in Sphingolipid Biology.
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Affiliation(s)
- Mitsuhiro Abe
- Lipid Biology Laboratory, RIKEN, Wako, Saitama, Japan
| | - Toshihide Kobayashi
- Lipid Biology Laboratory, RIKEN, Wako, Saitama, Japan; INSERM U1060, Université Lyon1, INSA Lyon, Villeurbanne, France.
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Kojima H, Inoue T, Sugita M, Itonori S, Ito M. Biochemical studies on sphingolipid of Artemia franciscana (I) isolation and characterization of sphingomyelin. Lipids 2010; 45:635-43. [PMID: 20571930 DOI: 10.1007/s11745-010-3438-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2009] [Accepted: 01/27/2010] [Indexed: 11/29/2022]
Abstract
Sphingomyelin was isolated from cysts of the brine shrimp Artemia franciscana using QAE-Sephadex A25, Florisil and Iatrobeads column chromatographies. The chemical structure was identified using thin-layer chromatography, gas-liquid chromatography, infrared spectroscopy and matrix-assisted laser desorption ionization time-of-flight mass spectrometry. The ceramide moiety of sphingomyelin consisted of stearic, arachidic, and behenic acids as fatty acids, and hexadeca-4- and heptadeca-4-sphingenines as sphingoids. By comparative analysis, the ceramide component of Artemia sphingomyelin appears unique in invertebrates and vertebrates. Biological functions of sphingomyelin have largely been investigated using mammalian-derived sphingomyelin. In mammals, a wide variety of molecular species of sphingomyelins have been reported, especially derived from nerve tissue, while the lower animal Artemia contains this unusual sphingomyelin perhaps because of having a much simpler nervous system. The purified unusual sphingomyelin derived from Artemia franciscana might be a very useful tool in elucidating the functions and mechanisms of action of this mediator.
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Affiliation(s)
- Hisao Kojima
- Department of Bioinformatics, Institute of Science and Engineering, Ritsumeikan University, 1-1-1 Nojihigashi, Kusatsu, Shiga, 525-8577, Japan
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Czuryło EA, Kulikova N, Sobota A. Disturbance of smooth muscle regulatory function by Eisenia foetida toxin lysenin: Insight into the mechanism of smooth muscle contraction. Toxicon 2008; 51:1090-102. [DOI: 10.1016/j.toxicon.2008.01.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2007] [Revised: 01/04/2008] [Accepted: 01/28/2008] [Indexed: 01/25/2023]
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Lysenin: A sphingomyelin specific pore-forming toxin. Biochim Biophys Acta Gen Subj 2008; 1780:612-8. [DOI: 10.1016/j.bbagen.2007.09.001] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2007] [Revised: 08/08/2007] [Accepted: 09/05/2007] [Indexed: 11/21/2022]
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10
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Kwiatkowska K, Hordejuk R, Szymczyk P, Kulma M, Abdel-Shakor AB, Płucienniczak A, Dołowy K, Szewczyk A, Sobota A. Lysenin-His, a sphingomyelin-recognizing toxin, requires tryptophan 20 for cation-selective channel assembly but not for membrane binding. Mol Membr Biol 2007; 24:121-34. [PMID: 17453419 DOI: 10.1080/09687860600995540] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Lysenin is 297 amino acid long toxin derived from the earthworm Eisenia foetida which specifically recognizes sphingomyelin and induces cell lysis. We synthesized lysenin gene supplemented with a polyhistidine tag, subcloned it into the pT7RS plasmid and the recombinant protein was produced in Escherichia coli. In order to obtain lysenin devoid of its lytic activity, the protein was mutated by substitution of tryptophan 20 by alanine. The recombinant mutant lysenin-His did not evoke cell lysis, although it retained the ability to specifically interact with sphingomyelin, as demonstrated by immunofluorescence microscopy and by dot blot lipid overlay and liposome binding assays. We found that the lytic activity of wild-type lysenin-His was correlated with the protein oligomerization during interaction with sphingomyelin-containing membranes and the amount of oligomers was increased with an elevation of sphingomyelin/lysenin ratio. Blue native gel electrophoresis indicated that trimers can be functional units of the protein, however, lysenin hexamers and nanomers were stabilized by chemical cross-linking of the protein and by sodium dodecyl sulfate. When incorporated into planar lipid bilayers, wild type lysenin-His formed cation-selective channels in a sphingomyelin-dependent manner. We characterized the channel activity by establishing its various open/closed states. In contrast, the mutant lysenin-His did not form channels and its correct oligomerization was strongly impaired. Based on these results we suggest that lysenin oligomerizes upon interaction with sphingomyelin in the plasma membrane, forming cation-selective channels. Their activity disturbs the ion balance of the cell, leading eventually to cell lysis.
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Abstract
Sphingomyelin is a major sphingolipid species in animal cells and is a major lipid constituent of plasma membranes. Recent reports have established important roles for sphingomyelin and its metabolites as second messengers in signal transduction events during development and differentiation. Sphingomyelin is also a major component of sphingolipid, cholesterol-rich plasma membrane microdomains, known as 'lipid rafts'. However, little is known about the organization of sphingomyelin in biological membranes. Lysenin is a recently discovered sphingomyelin-specific toxin. In the present review, we summarize the current characterization of this protein and describe our recent attempt to elucidate the organization of sphingomyelin in cellular membranes using lysenin as a unique tool.
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Affiliation(s)
- Reiko Ishitsuka
- Lipid Biology Laboratory, RIKEN (Institute of Physical and Chemical Research) Discovery Research Institute, Saitama, Japan
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Kiyokawa E, Makino A, Ishii K, Otsuka N, Yamaji-Hasegawa A, Kobayashi T. Recognition of sphingomyelin by lysenin and lysenin-related proteins. Biochemistry 2004; 43:9766-73. [PMID: 15274631 DOI: 10.1021/bi049561j] [Citation(s) in RCA: 63] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Lysenin is a sphingomyelin (SM)-specific toxin isolated from the coelomic fluid of the earthworm Eisenia foetida. Lysenin comprises a family of proteins together with lysenin-related protein 1 (LRP-1, lysenin 2) and LRP-2 (lysenin 3). In the present study, we characterized LRP-1 and LRP-2 together with lysenin using maltose-binding-protein-tagged recombinant proteins. LRP-2 specifically bound SM and induced hemolysis like lysenin. In contrast the binding and hemolytic activities of LRP-1 were 10 times less than those of lysenin and LRP-2. Lysenin and LRP-2 share 30 common sites of aromatic amino acids. Among them, only one position, phenylalanine 210, is substituted for isoleucine in LRP-1. The activity of LRP-1 was dramatically increased by introducing a single amino acid substitution of isoleucine 210 to phenylalanine, suggesting the importance of this aromatic amino acid in biological activities of lysenin and LRPs. The importance of aromatic amino acids was further indicated by a systematic tryptophan to alanine mutation of lysenin. Lysenin contains six tryptophan residues of which five are conserved in LRP-1 and -2. We showed that the conserved tryptophans but not the nonconserved one were required both in the recognition of SM and in the hemolytic activity of lysenin. Our results suggest the importance of tryptophan in the toxin function likely due to a direct recognition of SM or in maintaining the protein structure.
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Ishitsuka R, Yamaji-Hasegawa A, Makino A, Hirabayashi Y, Kobayashi T. A lipid-specific toxin reveals heterogeneity of sphingomyelin-containing membranes. Biophys J 2004; 86:296-307. [PMID: 14695271 PMCID: PMC1303792 DOI: 10.1016/s0006-3495(04)74105-3] [Citation(s) in RCA: 116] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Little is known about the heterogenous organization of lipids in biological membranes. Sphingomyelin (SM) is a major plasma membrane lipid that forms lipid domains together with cholesterol and glycolipids. Using SM-specific toxin, lysenin, we showed that in cultured epithelial cells the accessibility of the toxin to SM is different between apical and basolateral membranes. Apical membranes are highly enriched with glycolipids. The inhibitory role of glycolipids in the binding of lysenin to SM was confirmed by comparing the glycolipid-deficient mutant melanoma cell line with its parent cell. Model membrane experiments indicated that glycolipid altered the local density of SM so that the affinity of the lipid for lysenin was decreased. Our results indicate that lysenin recognizes the heterogenous organization of SM in biomembranes and that the organization of SM differs between different cell types and between different membrane domains within the same cell. Isothermal titration calorimetry suggests that lysenin binding to SM is presumably the result of a SM-lysenin complex formation of specific stoichiometry, thus supporting the idea of the existence of small condensed lipid complexes consisting of just a few lipid molecules in living cells.
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Affiliation(s)
- Reiko Ishitsuka
- Supra-Biomolecular System Research Group, RIKEN (Institute of Physical and Chemical Research) Frontier Research System, 2-1, Hirosawa, Wako-shi, Saitama 351-0198, Japan
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Nishiwaki H, Ito K, Otsuki K, Yamamoto H, Komai K, Matsuda K. Purification and functional characterization of insecticidal sphingomyelinase C produced by Bacillus cereus. ACTA ACUST UNITED AC 2004; 271:601-6. [PMID: 14728687 DOI: 10.1111/j.1432-1033.2003.03962.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Bacillus cereus isolated from the larvae of Myrmeleon bore was found to secrete proteins that paralyze and kill German cockroaches, Blattela germanica, when injected. One of these active proteins was purified from the culture broth of B. cereus using anion-exchange and gel-filtration chromatography. The purified toxin, with a molecular mass of 34 kDa, was identified as sphingomyelinase C (EC 3.1.4.12) on the basis of its N-terminal and internal amino-acid sequences. A recombinant sphingomyelinase C expressed in Escherichia coli was as potent as the native protein in killing the cockroaches. Site-directed mutagenesis (His151Ala) that inactivated the sphingomyelinase activity also abolished the insecticidal activity, suggesting that the rapid insect toxicity of sphingomyelinase C results from its phospholipid-degrading activity.
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Affiliation(s)
- Hisashi Nishiwaki
- Department of Agricultural Chemistry, Faculty of Agriculture, Kinki University, Nara, Japan
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Kobayashi H, Ohta N, Umeda M. Biology of Lysenin, a Protein in the Coelomic Fluid of the Earthworm Eisenia foetida. INTERNATIONAL REVIEW OF CYTOLOGY 2004; 236:45-99. [PMID: 15261736 DOI: 10.1016/s0074-7696(04)36002-x] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Lysenin is a protein of 33?kDa in the coelomic fluid (CF) of the earthworm Eisenia foetida. It differs from other biologically active proteins, such as fetidins, eiseniapore, and coelomic cytolytic factor (CCF-1), that have been found in Eisenia foetida, in terms of both its biochemical and its biological characteristics. The large coelomocytes and free chloragocytes in the typhlosole of Eisenia foetida appear to be the cells that produce lysenin since the mRNA for lysenin and immunoreactive lysenin have been found in these cells. Lysenin binds specifically to sphingomyelin (SM) but not to other phospholipids in cell membranes. After binding to the cell membranes of target cells, lysenin forms oligomers in an SM-dependent manner, with subsequent formation of pores with a hydrodynamic diameter of approximately 3?nm. The biochemical interactions between lysenin and SM in cell membranes are responsible for the pharmacological activities of lysenin and of CF that contains lysenin in vertebrates, such as hemolysis, cytotoxicity, and contraction of smooth muscle in vitro and vasodepressor activity and lethality in vivo. When incubated with SM-liposomes, CF and lysenin lost some or all of their activity, an observation that suggests that SM might be involved in the induction of the various activities of lysenin and CF. However, in general, lysenin is neither cytotoxic nor lethal to invertebrates. An attempt has been made to explain the differences in the responses to lysenin and CF between vertebrates and invertebrates in terms of the presence or absence of SM in the various animals. Among Protostomia, SM is absent in Lophotrochozoa, with the exception of some molluscan species, but it is present in Ecdysozoa, with the exception of Nematomorpha and flies. Among Deuterostomia, Echinodermata and Hemichordata lack SM but SM is found in Chordata. Thus, the difference in terms of the response to lysenin between invertebrates and vertebrates cannot be fully explained by reference to the presence or absence of SM in the organism. Lysenin and its antiserum have made it possible to localize SM in the cell membranes. They should be a useful tool for studies of membrane physiology and the role of SM.
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Affiliation(s)
- Hideshi Kobayashi
- Research Laboratory, Zenyaku Kogyo Co., Ltd., Nerima-ku, Tokyo 178-0062, Japan
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Cooper EL, Ru B, Weng N. Earthworms: sources of antimicrobial and anticancer molecules. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2004; 546:359-89. [PMID: 15584386 DOI: 10.1007/978-1-4757-4820-8_25] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Edwin L Cooper
- Laboratory of Comparative Immunology, Department of Neurobiology, David Geffen School of Medicine at UCLA, University of California, Los Angeles, USA
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17
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Yamaji-Hasegawa A, Makino A, Baba T, Senoh Y, Kimura-Suda H, Sato SB, Terada N, Ohno S, Kiyokawa E, Umeda M, Kobayashi T. Oligomerization and pore formation of a sphingomyelin-specific toxin, lysenin. J Biol Chem 2003; 278:22762-70. [PMID: 12676961 DOI: 10.1074/jbc.m213209200] [Citation(s) in RCA: 105] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Lysenin is a novel protein derived from coelomic fluid of the earthworm Eisenia foetida, which specifically recognizes sphingomyelin and induces cytolysis. The mechanism underlying lysenin-induced cell lysis has not been clarified. In this report we studied the interaction of lysenin with red blood cells as well as artificial liposomes. Our results showed that lysenin bound membranes and assembled to SDS-resistant oligomers in a sphingomyelin-dependent manner, leading to the formation of pores with a hydrodynamic diameter of approximately 3 nm. Antibody scanning analysis suggested that the C-terminal region of lysenin was exposed, whereas the N-terminal was hidden in the isolated oligomer complex. Differential scanning calorimetry revealed that lysenin interacted with both hydrophilic head group and hydrophobic hydrocarbon tails of sphingomyelin. Oligomerization but not binding was affected by the amide-linked fatty acid composition of sphingomyelin, suggesting the role of membrane fluidity in the oligomerization step.
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Affiliation(s)
- Akiko Yamaji-Hasegawa
- Supra-Biomolecular System Research Group, RIKEN (Institute of Physical and Chemical Research) Frontier Research System, 2-1 Hirosawa, Wako-shi, Saitama 351-0198, Japan
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18
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Mukherjee M, Datta M, Biswas S, Pal AK, Malakar D, Bhattacharyya AK, Bhattacharya S, Kobayashi H. Immotilin, a novel sperm immobilizing protein. Fertil Steril 2003; 79 Suppl 3:1673-5. [PMID: 12801582 DOI: 10.1016/s0015-0282(03)00371-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Abstract
Sphingomyelin plays complex structural and signaling functions in the plasma membrane. Of special interest is that hydrolysis of sphingomyelin to ceramide can modulate dynamics of membrane rafts, which serve as signaling platforms for various receptors. This review is focused on a recently discovered sphingomyelin-binding protein, lysenin, which can be used as a unique probe to trace distribution and turnover of sphingomyelin in cellular membranes. We analyze the primary and secondary structures of lysenin with respect to its interaction with the plasma membrane. The specificity of lysenin binding to sphingomyelin, revealed by both biochemical and cytochemical approaches, is discussed.
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Affiliation(s)
- Abo-Bakr Abdel Shakor
- Nencki Institute of Experimental Biology, Department of Cell Biology, 3 Pasteur St., 02-093, Warsaw, Poland
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20
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Kobayashi H, Ohtomi M, Sekizawa Y, Ohta N. Toxicity of coelomic fluid of the earthworm Eisenia foetida to vertebrates but not invertebrates: probable role of sphingomyelin. Comp Biochem Physiol C Toxicol Pharmacol 2001; 128:401-11. [PMID: 11255113 DOI: 10.1016/s1532-0456(00)00213-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The coelomic fluid (CF) of the earthworm Eisenia foetida exhibits a wide variety of biological activities. We found that the CF was not toxic to 42 species, belonging to seven invertebrate phyla, almost all in aquatic adults and larvae exposed to CF. Eleven teleostean species tested died in 0.2-1% CF mostly between 10 and 120 min and the effects were dose-dependent. Tadpoles of the toad Bufo japonicus formosus died in 0.4-2% CF between 80 and 225 min depending upon size, with larger tadpoles surviving longer. Before dying, all experimental tadpoles developed curled and shrunken tails. The Okinawa tree lizard, soft-shelled turtle, Japanese quail, mouse and rat all died after i.v. injection of CF (above 20 microl/kg). Thus, CF was not toxic to invertebrates, but toxic to vertebrates. After heating, CF lost its toxicity to fish, tadpoles and mice. Both CF and lysenin incubated with sphingomyelin-liposomes (SM-liposomes) were no longer toxic, suggesting the involvement of SM in the toxicity. Lysenin, which is a constituent of CF and known to bind specifically to sphingomyelin, exhibited toxicity similar to that of CF. Thus, lysenin in CF is probably responsible for the toxic effects of CF by binding to SM in vertebrate tissues. The bodies of invertebrates might contain little or no SM, while those of vertebrates do contain SM. The coelomic fluid of the earthworm Pheretima communissima has no toxicity to mouse.
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Affiliation(s)
- H Kobayashi
- Department of Biomolecular Science, Faculty of Science, Toho University, Chiba, Japan
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