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Guo X, Fu Y, Peng J, Fu Y, Dong S, Ding RB, Qi X, Bao J. Emerging anticancer potential and mechanisms of snake venom toxins: A review. Int J Biol Macromol 2024; 269:131990. [PMID: 38704067 DOI: 10.1016/j.ijbiomac.2024.131990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 03/13/2024] [Accepted: 04/28/2024] [Indexed: 05/06/2024]
Abstract
Animal-derived venom, like snake venom, has been proven to be valuable natural resources for the drug development. Previously, snake venom was mainly investigated in its pharmacological activities in regulating coagulation, vasodilation, and cardiovascular function, and several marketed cardiovascular drugs were successfully developed from snake venom. In recent years, snake venom fractions have been demonstrated with anticancer properties of inducing apoptotic and autophagic cell death, restraining proliferation, suppressing angiogenesis, inhibiting cell adhesion and migration, improving immunity, and so on. A number of active anticancer enzymes and peptides have been identified from snake venom toxins, such as L-amino acid oxidases (LAAOs), phospholipase A2 (PLA2), metalloproteinases (MPs), three-finger toxins (3FTxs), serine proteinases (SPs), disintegrins, C-type lectin-like proteins (CTLPs), cell-penetrating peptides, cysteine-rich secretory proteins (CRISPs). In this review, we focus on summarizing these snake venom-derived anticancer components on their anticancer activities and underlying mechanisms. We will also discuss their potential to be developed as anticancer drugs in the future.
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Affiliation(s)
- Xijun Guo
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China
| | - Yuanfeng Fu
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China
| | - Junbo Peng
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China
| | - Ying Fu
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China
| | - Shuai Dong
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China
| | - Ren-Bo Ding
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China; State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China
| | - Xingzhu Qi
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China.
| | - Jiaolin Bao
- Key Laboratory of Tropical Biological Resources of Ministry of Education, School of Pharmaceutical Sciences, Collaborative Innovation Center of One Health, Hainan University, Haikou 570228, China; State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao 999078, China.
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The secretory phenotypes of envenomed cells: Insights into venom cytotoxicity. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2023; 133:193-230. [PMID: 36707202 DOI: 10.1016/bs.apcsb.2022.08.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Snake envenomation is listed as Category A Neglected Tropical Diseases (NTD) by World Health Organization, indicates a severe public health problem. The global figures for envenomation cases are estimated to be more than 1.8 million annually. Even if the affected victims survive the envenomation, they might suffer from permanent morbidity due to local envenomation. One of the most prominent local envenomation is dermonecrosis. Dermonecrosis is a pathophysiological outcome of envenomation that often causes disability in the victims due to surgical amputations, deformities, contracture, and chronic ulceration. The key venom toxins associated with this local symptom are mainly attributed to substantial levels of enzymatic and non-enzymatic toxins as well as their possible synergistic actions. Despite so, the severity of the local tissue damage is based on macroscopic observation of the bite areas. Furthermore, limited knowledge is known about the key biomarkers involved in the pathogenesis of dermonecrosis. The current immunotherapy with antivenom is also ineffective against dermonecrosis. These local effects eventually end up as sequelae. There is also a global shortage of toxins-targeted therapeutics attributed to inadequate knowledge of the actual molecular mechanisms of cytotoxicity. This chapter discusses the characterization of secretory phenotypes of dermonecrosis as an advanced tool to indicate its severity and pathogenesis in envenomation. Altogether, the secretory phenotypes of envenomed cells and tissues represent the precise characteristics of dermonecrosis caused by venom toxins.
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The Cytotoxic Effects of Partially Purified Cytotoxic Peptides of Naja naja Oxiana Venom on Human Glioblastoma Multiforme: An in vitro Study. Int J Pept Res Ther 2022. [DOI: 10.1007/s10989-022-10479-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Costa MN, Silva RN. Cytotoxic activity of l-lysine alpha-oxidase against leukemia cells. Semin Cancer Biol 2022; 86:590-599. [PMID: 34606983 DOI: 10.1016/j.semcancer.2021.09.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 01/27/2023]
Abstract
Cancer cells exhibit higher proliferation rates than normal cells, and as a consequence, a higher nutritional demand for metabolites such as amino acids. Such cells demonstrate high expression of amino acid transporters and are significantly dependent on the external uptake of amino acids. Moreover, some types of cancer cells exhibit oncogenic mutations that render them auxotrophic to certain amino acids. This metabolic difference between tumor and normal cells has been explored for developing anticancer drugs. Enzymes capable of depleting certain amino acids in the bloodstream can be employed to inhibit the proliferation of cancer cells and promote cell death. Certain microbial enzymes, such as l-asparaginase and l-amino acid oxidases, have been studied for this purpose. In this paper, we discuss the role of l-asparaginase, the only enzyme currently used as a chemotherapeutic agent. We also review the studies on a new potential antineoplastic agent, l-lysine α-oxidase, an enzyme of l-amino acid oxidase family.
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Affiliation(s)
- Mariana N Costa
- Department of Biochemistry and Immunology, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, SP, 14049-900, Brazil
| | - Roberto N Silva
- Department of Biochemistry and Immunology, Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, SP, 14049-900, Brazil.
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Joglekar AV, Dehari D, Anjum MM, Dulla N, Chaudhuri A, Singh S, Agrawal AK. Therapeutic potential of venom peptides: insights in the nanoparticle-mediated venom formulations. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2022. [DOI: 10.1186/s43094-022-00415-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Abstract
Background
Venoms are the secretions produced by animals, generally for the purpose of self-defense or catching a prey. Biochemically venoms are mainly composed of proteins, lipids, carbohydrates, ions, etc., and classified into three major classes, viz. neurotoxic, hemotoxic and cytotoxic based upon their mode of action. Venoms are composed of different specific peptides/toxins which are responsible for their unique biological actions. Though venoms are generally seen as a source of death, scientifically venom is a complex biochemical substance having a specific pharmacologic action which can be used as agents to diagnose and cure a variety of diseases in humans.
Main body
Many of these venoms have been used since centuries, and their specified therapies can also be found in ancient texts such as Charka Samhita. The modern-day example of such venom therapeutic is captopril, an antihypertensive drug developed from venom of Bothrops jararaca. Nanotechnology is a modern-day science of building materials on a nanoscale with advantages like target specificity, increased therapeutic response and diminished side effects. In the present review we have introduced the venom, sources and related constituents in brief, by highlighting the therapeutic potential of venom peptides and focusing more on the nanoformulations-based approaches. This review is an effort to compile all such report to have an idea about the future direction about the nanoplatforms which should be focused to have more clinically relevant formulations for difficult to treat diseases.
Conclusion
Venom peptides which are fatal in nature if used cautiously and effectively can save life. Several research findings suggested that many of the fatal diseases can be effectively treated with venom peptides. Nanotechnology has emerged as novel strategy in diagnosis, treatment and mitigation of diseases in more effective ways. A variety of nanoformulation approaches have been explored to enhance the therapeutic efficacy and reduce the toxicity and targeted delivery of the venom peptide conjugated with it. We concluded that venom peptides along with nanoparticles can evolve as the new era for potential treatments of ongoing and untreatable diseases.
Graphical Abstract
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Xiong Y, He Q, Yu X, Li B, Song Z. The anti-ovarian carcinoma activity of L-amino acid oxidase from Crotalus adamanteus venom in vivo and in vitro. Med Oncol 2022; 39:112. [PMID: 35666342 DOI: 10.1007/s12032-022-01729-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 04/06/2022] [Indexed: 11/30/2022]
Abstract
Snake venom L-Amino-acid oxidase (svLAAO) has become a critical research target in molecular biology and medical science since its widespread presence and diverse biological roles, including antitumor application. Our research confirmed that Crotalus adamanteus (C. adamanteus) venom LAAO exhibited potential anti-ovarian cancer activity both in vivo and in vitro. C. adamanteus venom LAAO significantly reduced viability of ovarian cancer cells and caused morphological changes that preceded cell death. The results of molecular biology experiments showed that C. adamanteus venom LAAO caused expression changes of genes related to apoptotic pathways either intrinsically or extrinsically in ovarian cancer cells. Animal experiments and histological analysis also proved that C. adamanteus venom LAAO could effectively inhibit the tissue damage caused by ovarian cancer, and animals treated with C. adamanteus venom LAAO showed higher survival time. Catalase blocked the major apoptosis induction of C. adamanteus venom LAAO on ovarian cancer cells, suggesting that the cytotoxicity of C. adamanteus venom LAAO on ovarian cancer cells was mainly mediated by H2O2. These results infer that C. adamanteus venom LAAO will have some advantages in new drug research and antitumor drug development in future.
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Affiliation(s)
- Yan Xiong
- College of Life Science, Chongqing Normal University, Chongqing, 401331, China
| | - Qiyi He
- College of Life Science, Chongqing Normal University, Chongqing, 401331, China
| | - Xiaodong Yu
- College of Life Science, Chongqing Normal University, Chongqing, 401331, China
| | - Bo Li
- School of Education, Chongqing Normal University, Chongqing, 401331, China.
| | - Ziwei Song
- Chongqing Vocational College of Media, Chongqing, 400020, China
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Abdelkafi-Koubaa Z, ELBini-Dhouib I, Souid S, Jebali J, Doghri R, Srairi-Abid N, Essafi-Benkhadir K, Micheau O, Marrakchi N. Pharmacological Investigation of CC-LAAO, an L-Amino Acid Oxidase from Cerastes cerastes Snake Venom. Toxins (Basel) 2021; 13:toxins13120904. [PMID: 34941741 PMCID: PMC8704781 DOI: 10.3390/toxins13120904] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/01/2021] [Accepted: 11/22/2021] [Indexed: 11/16/2022] Open
Abstract
Snake venom proteins, which are responsible for deadly snakebite envenomation, induce severe injuries including neurotoxicity, myotoxicity, cardiotoxicity, hemorrhage, and the disruption of blood homeostasis. Yet, many snake-venom proteins have been developed as potential drugs for treating human diseases due to their pharmacological effects. In this study, we evaluated the use of, an L-amino acid oxidase isolated from Cerastes cerastes snake venom CC-LAAO, as a potential anti-glioblastoma drug, by investigating its in vivo and in vitro pharmacological effects. Our results showed that acute exposure to CC-LAAO at 1 and 2.5 µg/mL does not induce significant toxicity on vital organs, as indicated by the murine blood parameters including aspartate transaminase (AST), alanine transaminase (ALT), lactate dehydrogenase (LDH) activities, and creatinine levels. The histopathological examination demonstrated that only at high concentrations did CC-LAAO induce inflammation and necrosis in several organs of the test subjects. Interestingly, when tested on human glioblastoma U87 cells, CC-LAAO induced a dose-dependent apoptotic effect through the H2O2 generated during the enzymatic reaction. Taken altogether, our data indicated that low concentration of CC-LAAO may be safe and may have potential in the development of anti-glioblastoma agents.
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Affiliation(s)
- Zaineb Abdelkafi-Koubaa
- Laboratoire des Biomolécules, Venins et Applications Théranostiques (LR20IPT01), Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis 1002, Tunisia; (I.E.-D.); (J.J.); (N.S.-A.); (N.M.)
- Correspondence:
| | - Ines ELBini-Dhouib
- Laboratoire des Biomolécules, Venins et Applications Théranostiques (LR20IPT01), Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis 1002, Tunisia; (I.E.-D.); (J.J.); (N.S.-A.); (N.M.)
| | - Soumaya Souid
- Laboratoire d’Epidémiologie Moléculaire et de Pathologie Expérimentale (LR16IPT04), Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis 1002, Tunisia; (S.S.); (K.E.-B.)
- School of Basic Pharmaceutical and Toxicological Sciences, College of Pharmacy, University of Louisiana at Monroe, 1800 Bienville Drive, Monroe, LA 71201, USA
| | - Jed Jebali
- Laboratoire des Biomolécules, Venins et Applications Théranostiques (LR20IPT01), Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis 1002, Tunisia; (I.E.-D.); (J.J.); (N.S.-A.); (N.M.)
| | - Raoudha Doghri
- Département d’Anatomie Pathologique, Institut Salah Azaiez, Bab Saadoun, Tunis 1006, Tunisia;
| | - Najet Srairi-Abid
- Laboratoire des Biomolécules, Venins et Applications Théranostiques (LR20IPT01), Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis 1002, Tunisia; (I.E.-D.); (J.J.); (N.S.-A.); (N.M.)
| | - Khadija Essafi-Benkhadir
- Laboratoire d’Epidémiologie Moléculaire et de Pathologie Expérimentale (LR16IPT04), Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis 1002, Tunisia; (S.S.); (K.E.-B.)
| | - Olivier Micheau
- Lipides Nutrition Cancer, INSERM-UMR 1231, Université de Bourgogne Franche-Comté, UFR Science de Santé, 7 Bd Jeanne d’Arc, 21000 Dijon, France;
| | - Naziha Marrakchi
- Laboratoire des Biomolécules, Venins et Applications Théranostiques (LR20IPT01), Institut Pasteur de Tunis, Université de Tunis El Manar, Tunis 1002, Tunisia; (I.E.-D.); (J.J.); (N.S.-A.); (N.M.)
- Faculté de Médecine de Tunis, Université de Tunis El Manar, Tunis 1068, Tunisia
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Cytotoxicity of snake venom enzymatic toxins: phospholipase A2 and l-amino acid oxidase. Biochem Soc Trans 2021; 48:719-731. [PMID: 32267491 PMCID: PMC7200639 DOI: 10.1042/bst20200110] [Citation(s) in RCA: 54] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 03/07/2020] [Accepted: 03/16/2020] [Indexed: 12/23/2022]
Abstract
The phospholipase A2 (PLA2) and l-amino acid oxidase (LAAO) are two major enzymes found in the venoms from most snake species. These enzymes have been structurally and functionally characterised for their pharmacological activities. Both PLA2 and LAAO from different venoms demonstrate considerable cytotoxic effects on cancer cells via induction of apoptosis, cell cycle arrest and suppression of proliferation. These enzymes produce more pronounced cytotoxic effects in cancer cells than normal cells, thus they can be potential sources as chemotherapeutic agents. It is proposed that PLA2 and LAAO contribute to an elevated oxidative stress due to their catalytic actions, for instance, the ability of PLA2 to produce reactive oxygen species during lipolysis and formation of H2O2 from LAAO catalytic activity which consequently lead to cell death. Nonetheless, the cell-death signalling pathways associated with exposure to these enzymatic toxins are not fully elucidated yet. Here in this review, we will discuss the cytotoxic effects of PLA2 and LAAO in relationship to their catalytic mechanisms and the underlying mechanisms of cytotoxic actions.
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Ullah A. Structure-Function Studies and Mechanism of Action of Snake Venom L-Amino Acid Oxidases. Front Pharmacol 2020; 11:110. [PMID: 32158389 PMCID: PMC7052187 DOI: 10.3389/fphar.2020.00110] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 01/28/2020] [Indexed: 12/30/2022] Open
Abstract
Snake venom L-amino acid oxidases (SV-LAAOs) are the least studied venom enzymes. These enzymes catalyze the stereospecific oxidation of an L-amino acid to their corresponding α-keto acid with the liberation of hydrogen peroxide (H2O2) and ammonia (NH3). They display various pathological and physiological activities including induction of apoptosis, edema, platelet aggregation/inhibition, hemorrhagic, and anticoagulant activities. They also show antibacterial, antiviral and leishmanicidal activity and have been used as therapeutic agents in some disease conditions like cancer and anti-HIV drugs. Although the crystal structures of six SV-LAAOs are present in the Protein Data Bank (PDB), there is no single article that describes all of them in particular. To better understand their structural properties and correlate it with their function, the current work describes structure characterization, structure-based mechanism of catalysis, inhibition and substrate specificity of SV-LAAOs. Sequence analysis indicates a high sequence identity (>84%) among SV-LAAOs, comparatively lower sequence identity with Pig kidney D-amino acid oxidase (<50%) and very low sequence identity (<24%) with bacterial LAAOs, Fugal (L-lysine oxidase), and Zea mays Polyamine oxidase (PAAO). The three-dimensional structure of these enzymes are composed of three-domains, a FAD-binding domain, a substrate-binding domain and a helical domain. The sequence and structural analysis indicate that the amino acid residues in the loops vary in length and composition due to which the surface charge distribution also varies that may impart variable substrate specificity to these enzymes. The active site cavity volume and its average depth also vary in these enzymes. The inhibition of these enzymes by synthetic inhibitors will lead to the production of more potent antivenoms against snakebite envenomation.
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Affiliation(s)
- Anwar Ullah
- Department of Biosciences, COMSATS University Islamabad, Islamabad, Pakistan
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Pokrovsky VS, Chepikova OE, Davydov DZ, Zamyatnin AA, Lukashev AN, Lukasheva EV. Amino Acid Degrading Enzymes and their Application in Cancer Therapy. Curr Med Chem 2019; 26:446-464. [PMID: 28990519 DOI: 10.2174/0929867324666171006132729] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Revised: 09/12/2017] [Accepted: 09/28/2017] [Indexed: 12/16/2022]
Abstract
BACKGROUND Amino acids are essential components in various biochemical pathways. The deprivation of certain amino acids is an antimetabolite strategy for the treatment of amino acid-dependent cancers which exploits the compromised metabolism of malignant cells. Several studies have focused on the development and preclinical and clinical evaluation of amino acid degrading enzymes, namely L-asparaginase, L-methionine γ-lyase, L-arginine deiminase, L-lysine α-oxidase. Further research into cancer cell metabolism may therefore define possible targets for controlling tumor growth. OBJECTIVE The purpose of this review was to summarize recent progress in the relationship between amino acids metabolism and cancer therapy, with a particular focus on Lasparagine, L-methionine, L-arginine and L-lysine degrading enzymes and their formulations, which have been successfully used in the treatment of several types of cancer. METHODS We carried out a structured search among literature regarding to amino acid degrading enzymes. The main aspects of search were in vitro and in vivo studies, clinical trials concerning application of these enzymes in oncology. RESULTS Most published research are on the subject of L-asparaginase properties and it's use for cancer treatment. L-arginine deiminase has shown promising results in a phase II trial in advanced melanoma and hepatocellular carcinoma. Other enzymes, in particular Lmethionine γ-lyase and L-lysine α-oxidase, were effective in vitro and in vivo. CONCLUSION The findings of this review revealed that therapy based on amino acid depletion may have the potential application for cancer treatment but further clinical investigations are required to provide the efficacy and safety of these agents.
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Affiliation(s)
- Vadim S Pokrovsky
- Blokhin Cancer Research Center, Moscow, Russian Federation.,Orekhovich Institute of Biomedical Chemistry, Moscow, Russian Federation.,People's Friendship University, Russia (RUDN University), Moscow, Russian Federation
| | - Olga E Chepikova
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | | | - Andrey A Zamyatnin
- Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Moscow, Russian Federation.,Belozersky Institute of Physico- Chemical Biology, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Alexander N Lukashev
- People's Friendship University, Russia (RUDN University), Moscow, Russian Federation.,Institute of Molecular Medicine, Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Elena V Lukasheva
- People's Friendship University, Russia (RUDN University), Moscow, Russian Federation
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Damm M, Hempel BF, Nalbantsoy A, Süssmuth RD. Comprehensive Snake Venomics of the Okinawa Habu Pit Viper, Protobothrops flavoviridis, by Complementary Mass Spectrometry-Guided Approaches. Molecules 2018; 23:molecules23081893. [PMID: 30060607 PMCID: PMC6222445 DOI: 10.3390/molecules23081893] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 07/24/2018] [Accepted: 07/27/2018] [Indexed: 11/16/2022] Open
Abstract
The Asian world is home to a multitude of venomous and dangerous snakes, which are used to induce various medical effects in the preparation of traditional snake tinctures and alcoholics, like the Japanese snake wine, named Habushu. The aim of this work was to perform the first quantitative proteomic analysis of the Protobothrops flavoviridis pit viper venom. Accordingly, the venom was analyzed by complimentary bottom-up and top-down mass spectrometry techniques. The mass spectrometry-based snake venomics approach revealed that more than half of the venom is composed of different phospholipases A2 (PLA₂). The combination of this approach and an intact mass profiling led to the identification of the three main Habu PLA₂s. Furthermore, nearly one-third of the total venom consists of snake venom metalloproteinases and disintegrins, and several minor represented toxin families were detected: C-type lectin-like proteins (CTL), cysteine-rich secretory proteins (CRISP), snake venom serine proteases (svSP), l-amino acid oxidases (LAAO), phosphodiesterase (PDE) and 5'-nucleotidase. Finally, the venom of P. flavoviridis contains certain bradykinin-potentiating peptides and related peptides, like the svMP inhibitors, pEKW, pEQW, pEEW and pENW. In preliminary MTT cytotoxicity assays, the highest cancerous-cytotoxicity of crude venom was measured against human neuroblastoma SH-SY5Y cells and shows disintegrin-like effects in some fractions.
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Affiliation(s)
- Maik Damm
- Institut für Chemie, Technische Universität Berlin, 10623 Berlin, Germany.
| | | | - Ayse Nalbantsoy
- Department of Bioengineering, Ege University, 35100 Izmir, Turkey.
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Zainal Abidin SA, Rajadurai P, Chowdhury MEH, Ahmad Rusmili MR, Othman I, Naidu R. Cytotoxic, Antiproliferative and Apoptosis-inducing Activity of L-Amino Acid Oxidase from MalaysianCalloselasma rhodostomaon Human Colon Cancer Cells. Basic Clin Pharmacol Toxicol 2018; 123:577-588. [DOI: 10.1111/bcpt.13060] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 06/11/2018] [Indexed: 02/04/2023]
Affiliation(s)
- Syafiq Asnawi Zainal Abidin
- Jeffrey Cheah School of Medicine and Health Sciences; Monash University Malaysia; Bandar Sunway Selangor Darul Ehsan Malaysia
| | - Pathmanathan Rajadurai
- Jeffrey Cheah School of Medicine and Health Sciences; Monash University Malaysia; Bandar Sunway Selangor Darul Ehsan Malaysia
| | - Md. Ezharul Hoque Chowdhury
- Jeffrey Cheah School of Medicine and Health Sciences; Monash University Malaysia; Bandar Sunway Selangor Darul Ehsan Malaysia
| | | | - Iekhsan Othman
- Jeffrey Cheah School of Medicine and Health Sciences; Monash University Malaysia; Bandar Sunway Selangor Darul Ehsan Malaysia
| | - Rakesh Naidu
- Jeffrey Cheah School of Medicine and Health Sciences; Monash University Malaysia; Bandar Sunway Selangor Darul Ehsan Malaysia
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Zainal Abidin SA, Rajadurai P, Hoque Chowdhury ME, Othman I, Naidu R. Cytotoxic, Anti-Proliferative and Apoptosis Activity of l-Amino Acid Oxidase from Malaysian Cryptelytrops purpureomaculatus (CP-LAAO) Venom on Human Colon Cancer Cells. Molecules 2018; 23:molecules23061388. [PMID: 29890640 PMCID: PMC6100610 DOI: 10.3390/molecules23061388] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 05/24/2018] [Accepted: 05/31/2018] [Indexed: 01/16/2023] Open
Abstract
The aim of this study is to investigate the potential anti-cancer activity of l-amino acid oxidase (CP-LAAO) purified from the venom of Cryptelytrops purpureomaculatus on SW480 and SW620 human colon cancer cells. Mass spectrometry guided purification was able to identify and purify CP-LAAO. Amino acid variations identified from the partial protein sequence of CP-LAAO may suggest novel variants of these proteins. The activity of the purified CP-LAAO was confirmed with o-phenyldiamine (OPD)-based spectrophotometric assay. CP-LAAO demonstrated time- and dose-dependent cytotoxic activity and the EC50 value was determined at 13 µg/mL for both SW480 and SW620 cells. Significant increase of caspase-3 activity, reduction of Bcl-2 levels, as well as morphological changes consistent with apoptosis were demonstrated by CP-LAAO. Overall, these data provide evidence on the potential anti-cancer activity of CP-LAAO from the venom of Malaysian C. purpureomaculatus for therapeutic intervention of human colon cancer.
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Affiliation(s)
- Syafiq Asnawi Zainal Abidin
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor Darul Ehsan, Malaysia.
| | - Pathmanathan Rajadurai
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor Darul Ehsan, Malaysia.
| | - Md Ezharul Hoque Chowdhury
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor Darul Ehsan, Malaysia.
| | - Iekhsan Othman
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor Darul Ehsan, Malaysia.
| | - Rakesh Naidu
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Jalan Lagoon Selatan, Bandar Sunway, 47500 Selangor Darul Ehsan, Malaysia.
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Tan KK, Ler SG, Gunaratne J, Bay BH, Ponnampalam G. In vitro cytotoxicity of L-amino acid oxidase from the venom of Crotalus mitchellii pyrrhus. Toxicon 2017; 139:20-30. [DOI: 10.1016/j.toxicon.2017.09.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 09/20/2017] [Accepted: 09/21/2017] [Indexed: 12/21/2022]
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Mechanism of apoptosis induction in human breast cancer MCF-7 cell by Ruviprase, a small peptide from Daboia russelii russelii venom. Chem Biol Interact 2016; 258:297-304. [PMID: 27613483 DOI: 10.1016/j.cbi.2016.09.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Revised: 08/23/2016] [Accepted: 09/06/2016] [Indexed: 12/13/2022]
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16
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Lee Y. Cytotoxicity Evaluation of Essential Oil and its Component from Zingiber officinale Roscoe. Toxicol Res 2016; 32:225-30. [PMID: 27437089 PMCID: PMC4946420 DOI: 10.5487/tr.2016.32.3.225] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Revised: 06/01/2016] [Accepted: 06/07/2016] [Indexed: 12/14/2022] Open
Abstract
Zingiber officinale Roscoe has been widely used as a folk medicine to treat various diseases, including cancer. This study aims to re-examine the therapeutic potential of co-administration of natural products and cancer chemotherapeutics. Candidate material for this project, α-zingiberene, was extracted from Zingiber officinale Roscoe, and α-zingiberene makes up 35.02 ± 0.30% of its total essential oil. α-Zingiberene showed low IC50 values, 60.6 ± 3.6, 46.2 ± 0.6, 172.0 ± 6.6, 80.3 ± 6.6 (μg/mL) in HeLa, SiHa, MCF-7 and HL-60 cells each. These values are a little bit higher than IC50 values of general essential oil in those cells. The treatment of α-zingiberene produced nucleosomal DNA fragmentation in SiHa cells, and the percentage of sub-diploid cells increased in a concentration-dependent manner in SiHa cells, hallmark features of apoptosis. Mitochondrial cytochrome c activation and an in vitro caspase-3 activity assay demonstrated that the activation of caspases accompanies the apoptotic effect of α-zingiberene, which mediates cell death. These results suggest that the apoptotic effect of α-zingiberene on SiHa cells may converge caspase-3 activation through the release of mitochondrial cytochrome c into cytoplasm. It is considered that anti-proliferative effect of α-zingiberene is a result of apoptotic effects, and α-zingiberene is worth furthermore study to develop it as cancer chemotherapeutics.
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Affiliation(s)
- Yongkyu Lee
- Department of Energy and Bio Engineering, Dongseo University, Busan, Korea
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Rajeshkumar RK, Vennila R, Karthikeyan S, Prasad NR, Arumugam M, Velpandian T, Balasubramaniam T. Antiproliferative activity of marine stingray Dasyatis sephen venom on human cervical carcinoma cell line. J Venom Anim Toxins Incl Trop Dis 2015; 21:41. [PMID: 26464574 PMCID: PMC4603964 DOI: 10.1186/s40409-015-0036-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2014] [Accepted: 09/15/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Venoms comprise mixtures of numerous bioactive compounds that have a wide range of pharmacologic actions. Toxins from venomous animals have attracted the attention of researchers because of their affinity for primary sites responsible for lethality and their efficacy at extremely low concentrations. The venoms of marine stingrays have not been extensively studied and limited data is available on them. The present study aims to evaluate the antiproliferative and biochemical properties of the venom obtained from a species of marine stingray (Dasyatis sephen) on human cervical cancer cell line HeLa. METHODS The antiproliferative effect of D. sephen venom was determined by MTT assay, and the oxidative stress was determined by lipid peroxidation method along with assessment of changes in the enzymatic and non-enzymatic antioxidant status. We observed intracellular reactive oxygen species (ROS) levels by DCFH-DA method, mitochondrial membrane potential alterations by rhodamine 123 staining and apoptotic morphological changes by acridine orange/ethidium bromide dual staining method. RESULTS D. sephen venom enhances lipid peroxidative markers such as thiobarbituric acid reactive substance, conjugated diene, and lipid hydroperoxide in HeLa cell lines. Stingray venom enhances the ROS levels, which is evidenced by the increased 2-7-diacetyl dichlorofluorescein fluorescence. Further, D. sephen venom treatment altered the mitochondrial membrane potential in HeLa cells. Additionally, we observed increased apoptotic morphological changes in D. sephen venom-treated groups. CONCLUSIONS Dasyatis sephen venom exhibits potent antiproliferative effect on HeLa cell line and upon further purification it could be a promising antiproliferative agent.
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Affiliation(s)
- R K Rajeshkumar
- Ocular Pharmacology and Pharmacy, Centre for Ophthalmic Sciences, All India Institute of Medical Sciences (AIIMS), New Delhi, India ; Center of Advanced Study in Marine Biology, Annamalai University, Parangipettai Tamil Nadu, India
| | - R Vennila
- Center of Advanced Study in Marine Biology, Annamalai University, Parangipettai Tamil Nadu, India
| | - S Karthikeyan
- Department of Biochemistry and Biotechnology, Annamalai University, Tamil Nadu, India
| | - N Rajendra Prasad
- Department of Biochemistry and Biotechnology, Annamalai University, Tamil Nadu, India
| | - M Arumugam
- Center of Advanced Study in Marine Biology, Annamalai University, Parangipettai Tamil Nadu, India
| | - T Velpandian
- Ocular Pharmacology and Pharmacy, Centre for Ophthalmic Sciences, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - T Balasubramaniam
- Center of Advanced Study in Marine Biology, Annamalai University, Parangipettai Tamil Nadu, India
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18
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Morais ICO, Pereira GJS, Orzáez M, Jorge RJB, Bincoletto C, Toyama MH, Monteiro HSA, Smaili SS, Pérez-Payá E, Martins AMC. L-Aminoacid Oxidase from Bothrops leucurus Venom Induces Nephrotoxicity via Apoptosis and Necrosis. PLoS One 2015; 10:e0132569. [PMID: 26193352 PMCID: PMC4508040 DOI: 10.1371/journal.pone.0132569] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Accepted: 06/17/2015] [Indexed: 12/22/2022] Open
Abstract
Acute renal failure is a common complication caused by Bothrops viper envenomation. In this study, the nefrotoxicity of a main component of B. leucurus venom called L-aminoacid oxidase (LAAO-Bl) was evaluated by using tubular epithelial cell lines MDCK and HK-2 and perfused kidney from rats. LAAO-Bl exhibited cytotoxicity, inducing apoptosis and necrosis in MDCK and HK-2 cell lines in a concentration-dependent manner. MDCK apoptosis induction was accompanied by Ca2+ release from the endoplasmic reticulum, reactive oxygen species (ROS) generation and mitochondrial dysfunction with enhanced expression of Bax protein levels. LAAO-Bl induced caspase-3 and caspase-7 activation in both cell lines. LAAO-Bl (10 μg/mL) exerts significant effects on the isolated kidney perfusion increasing perfusion pressure and urinary flow and decreasing the glomerular filtration rate and sodium, potassium and chloride tubular transport. Taken together our results suggest that LAAO-Bl is responsible for the nephrotoxicity observed in the envenomation by snakebites. Moreover, the cytotoxic of LAAO-Bl to renal epithelial cells might be responsible, at least in part, for the nephrotoxicity observed in isolated kidney.
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Affiliation(s)
- Isabel C. O. Morais
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Gustavo J. S. Pereira
- Department of Pharmacology, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - M. Orzáez
- Department of Medicinal Chemistry, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Roberta J. B. Jorge
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Claudia Bincoletto
- Department of Pharmacology, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Marcos H. Toyama
- São Vicente Unit, Paulista Coastal Campus, São Paulo State University (UNESP), São Paulo, Brazil
| | - Helena S. A. Monteiro
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - Soraya S. Smaili
- Department of Pharmacology, Federal University of São Paulo (UNIFESP), São Paulo, Brazil
| | - Enrique Pérez-Payá
- Department of Medicinal Chemistry, Centro de Investigación Príncipe Felipe, Valencia, Spain
| | - Alice M. C. Martins
- Department of Clinical and Toxicological Analysis, Federal University of Ceará, Fortaleza, Ceará, Brazil
- * E-mail:
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Vyas VK, Brahmbhatt K, Bhatt H, Parmar U. Therapeutic potential of snake venom in cancer therapy: current perspectives. Asian Pac J Trop Biomed 2015; 3:156-62. [PMID: 23593597 DOI: 10.1016/s2221-1691(13)60042-8] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2012] [Accepted: 12/28/2012] [Indexed: 12/18/2022] Open
Abstract
Many active secretions produced by animals have been employed in the development of new drugs to treat diseases such as hypertension and cancer. Snake venom toxins contributed significantly to the treatment of many medical conditions. There are many published studies describing and elucidating the anti-cancer potential of snake venom. Cancer therapy is one of the main areas for the use of protein peptides and enzymes originating from animals of different species. Some of these proteins or peptides and enzymes from snake venom when isolated and evaluated may bind specifically to cancer cell membranes, affecting the migration and proliferation of these cells. Some of substances found in the snake venom present a great potential as anti-tumor agent. In this review, we presented the main results of recent years of research involving the active compounds of snake venom that have anticancer activity.
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Affiliation(s)
- Vivek Kumar Vyas
- Institute of Pharmacy, Nirma University, Ahmadabad 382 481 Gujarat, India
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20
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Fung SY, Lee ML, Tan NH. Molecular mechanism of cell death induced by king cobra (Ophiophagus hannah) venom l-amino acid oxidase. Toxicon 2015; 96:38-45. [PMID: 25615711 DOI: 10.1016/j.toxicon.2015.01.012] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Revised: 01/09/2015] [Accepted: 01/20/2015] [Indexed: 01/11/2023]
Abstract
Snake venom LAAOs have been reported to exhibit a wide range of pharmacological activities, including cytotoxic, edema-inducing, platelet aggregation-inducing/platelet aggregation-inhibiting, bactericidal and antiviral activities. A heat-stable form of l-amino acid oxidase isolated from king cobra (Ophiophagus hannah) venom (OH-LAAO) has been shown to exhibit very potent cytotoxicity against human tumorigenic cells but not in their non-tumorigenic counterparts, and the cytotoxicity was due to the apoptosis-inducing effect of the enzyme. In this work, the molecular mechanism of cell death induced by OH-LAAO was investigated. The enzyme exerts its apoptosis-inducing effect presumably via both intrinsic and extrinsic pathways as suggested by the increase in caspase-8 and -9 activities. Oligonucleotide microarray analysis showed that the expression of a total of 178 genes was significantly altered as a result of oxidative stress induced by the hydrogen peroxide generated by the enzyme. Of the 178 genes, at least 27 genes are involved in apoptosis and cell death. These alterations of gene expression was presumably caused by the direct cytotoxic effect of H2O2 generated during the enzymatic reaction, as well as the non-specific oxidative modifications of signaling molecules that eventually lead to apoptosis and cell death. The very substantial up-regulation of cytochrome P450 genes may also contribute to the potent cytotoxic action of OH-LAAO by producing excessive reactive oxygen species (ROS). In conclusion, the potent apoptosis inducing activity of OH-LAAO was likely due to the direct cytotoxic effect of H2O2 generated during the enzymatic reaction, as well as the non-specific oxidation of signalling molecules.
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Affiliation(s)
- Shin Yee Fung
- Department of Molecular Medicine, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia.
| | - Mui Li Lee
- Department of Molecular Medicine, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
| | - Nget Hong Tan
- Department of Molecular Medicine, Faculty of Medicine, University of Malaya, 50603, Kuala Lumpur, Malaysia
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21
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Al-Quraishy S, Dkhil MA, Abdel Moneim AE. Hepatotoxicity and oxidative stress induced by Naja haje crude venom. J Venom Anim Toxins Incl Trop Dis 2014; 20:42. [PMID: 25258623 PMCID: PMC4174607 DOI: 10.1186/1678-9199-20-42] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 09/11/2014] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Snake venoms are synthesized and stored in venom glands. Most venoms are complex mixtures of several proteins, peptides, enzymes, toxins and non-protein components. In the present study, we investigated the oxidative stress and apoptosis in rat liver cells provoked by Naja haje crude injection (LD50) after four hours. METHODS Wistar rats were randomly divided into two groups, the control group was intraperitoneally injected with saline solution while LD50-dose envenomed group was intraperitoneally injected with venom at a dose of 0.025 μg/kg of body weight. Animals were killed four hours after the injection. Lipid peroxidation, nitric oxide and glutathione levels were measured as oxidative markers in serum and liver homogenate. In addition, liver function parameters and activities of antioxidant enzymes were determined. RESULTS N. haje crude venom (0.025 μg/kg of body weight) enhanced lipid peroxidation and nitric oxide production in both serum and liver with concomitant reduction in glutathione, catalase, glutathione reductase and glutathione-S-transferase activities. Superoxide dismutase and glutathione peroxidase activities were significantly increased in liver of envenomed rats. These findings were associated with apoptosis induction in the liver. In addition, N. haje crude venom caused hepatic injury as indicated by histopathological changes in the liver tissue with an elevation in total bilirubin, serum alanine aminotransferase, aspartate aminotransferase, γ-glutamyl transpeptidase, and alkaline phosphatase. CONCLUSIONS Based on the present results, it can hypothesized that N. haje crude venom is a potent inducer of toxin-mediated hepatotoxicity associated with apoptosis in the liver.
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Affiliation(s)
- Saleh Al-Quraishy
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Mahamed A Dkhil
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia ; Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo, Egypt
| | - Ahmed Esmat Abdel Moneim
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo, Egypt ; Department of Biochemistry and Molecular Biology, Asturias Institute of Biotechnology, University of Oviedo, 33006 Oviedo, Spain
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22
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PID15, a novel 6 kDa secreted peptide, mediates Naja naja venom phospholipase A₂ induced apoptosis in isolated human peripheral lymphocytes. J Biomed Sci 2014; 21:66. [PMID: 25030355 PMCID: PMC4115167 DOI: 10.1186/s12929-014-0066-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Accepted: 07/11/2014] [Indexed: 02/03/2023] Open
Abstract
Background Snake venoms are a complex mixture of active principles mainly peptides and proteins also including amino acids, nucleotides, free lipids, carbohydrates and metallic elements bound to proteins that interfere in several biological systems. In this study, we aimed to understand the mode of action of the apoptosis inducing ability of Naja naja venom phospholipase A2 (NV-PLA2) using isolated human peripheral lymphocytes. Results Human peripheral lymphocytes when incubated with Naja naja venom phospholipase A2 (NV-PLA2) induced up to 68% DNA fragmentation. The dialysed conditioned media obtained by incubating lymphocytes with NV-PLA2 at 15th min induced 44% DNA fragmentation, referred to as cmlp-active. Cmlp-active showed 20.5% increased protein concentration than the corresponding control condition media cmlp-c-15. Test for creatine kinase activity in cmlp-active proved negative and negligible amount of lactate dehydrogenase did not show significant DNA fragmentation. Fractionation of cmlp-active on Sephadex G-25 showed two peaks, major peak induced 38% DNA fragmentation, which was further rechromatographed on Sephadex G-25. The single peak obtained was named PID15 (Phospholipase A2Induced DNA fragmentation factor secreted at 15th min). Q-Tof MS/MS analysis of PID-15 showed it is a 6 kDa peptide. PID15 sequence analysis gave 40 amino acids in the following order, msilpcknvs iwvikdtaas dkevvlgsdr aikflylatg. The homology search for the sequence revealed it to be an Apoptosis Inducing Factor (AIF). Conclusion Results indicate that the secretion of PID15 is dependent on concentration of NV-PLA2 treatment, incubation time and also on temperature and the probable membrane origin of PID15 and not of cytosolic origin with apoptosis inducing ability.
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23
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Izidoro LFM, Sobrinho JC, Mendes MM, Costa TR, Grabner AN, Rodrigues VM, da Silva SL, Zanchi FB, Zuliani JP, Fernandes CFC, Calderon LA, Stábeli RG, Soares AM. Snake venom L-amino acid oxidases: trends in pharmacology and biochemistry. BIOMED RESEARCH INTERNATIONAL 2014; 2014:196754. [PMID: 24738050 PMCID: PMC3971498 DOI: 10.1155/2014/196754] [Citation(s) in RCA: 115] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2013] [Revised: 12/13/2013] [Accepted: 12/16/2013] [Indexed: 11/26/2022]
Abstract
L-amino acid oxidases are enzymes found in several organisms, including venoms of snakes, where they contribute to the toxicity of ophidian envenomation. Their toxicity is primarily due to enzymatic activity, but other mechanisms have been proposed recently which require further investigation. L-amino acid oxidases exert biological and pharmacological effects, including actions on platelet aggregation and the induction of apoptosis, hemorrhage, and cytotoxicity. These proteins present a high biotechnological potential for the development of antimicrobial, antitumor, and antiprotozoan agents. This review provides an overview of the biochemical properties and pharmacological effects of snake venom L-amino acid oxidases, their structure/activity relationship, and supposed mechanisms of action described so far.
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Affiliation(s)
- Luiz Fernando M. Izidoro
- Faculdade de Ciências Integradas do Pontal e Departamento de Genética e Bioquímica, Universidade Federal de Uberlândia (UFU), Uberlândia, MG, Brazil
| | - Juliana C. Sobrinho
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, (CEBio), Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia (UNIR), Porto Velho, RO, Brazil
| | - Mirian M. Mendes
- Faculdade de Ciências Integradas do Pontal e Departamento de Genética e Bioquímica, Universidade Federal de Uberlândia (UFU), Uberlândia, MG, Brazil
| | - Tássia R. Costa
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto (FCFRP), Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Amy N. Grabner
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, (CEBio), Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia (UNIR), Porto Velho, RO, Brazil
| | - Veridiana M. Rodrigues
- Faculdade de Ciências Integradas do Pontal e Departamento de Genética e Bioquímica, Universidade Federal de Uberlândia (UFU), Uberlândia, MG, Brazil
| | - Saulo L. da Silva
- Departamento de Química, Biotecnologia e Engenharia de Bioprocessos, Universidade Federal de São João del Rei (UFSJ), Campus Altoparaopeba, Ouro Branco, MG, Brazil
| | - Fernando B. Zanchi
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, (CEBio), Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia (UNIR), Porto Velho, RO, Brazil
| | - Juliana P. Zuliani
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, (CEBio), Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia (UNIR), Porto Velho, RO, Brazil
| | - Carla F. C. Fernandes
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, (CEBio), Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia (UNIR), Porto Velho, RO, Brazil
| | - Leonardo A. Calderon
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, (CEBio), Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia (UNIR), Porto Velho, RO, Brazil
| | - Rodrigo G. Stábeli
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, (CEBio), Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia (UNIR), Porto Velho, RO, Brazil
| | - Andreimar M. Soares
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, (CEBio), Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia (UNIR), Porto Velho, RO, Brazil
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Calderon LA, Sobrinho JC, Zaqueo KD, de Moura AA, Grabner AN, Mazzi MV, Marcussi S, Nomizo A, Fernandes CFC, Zuliani JP, Carvalho BMA, da Silva SL, Stábeli RG, Soares AM. Antitumoral activity of snake venom proteins: new trends in cancer therapy. BIOMED RESEARCH INTERNATIONAL 2014; 2014:203639. [PMID: 24683541 PMCID: PMC3943284 DOI: 10.1155/2014/203639] [Citation(s) in RCA: 101] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2013] [Revised: 12/07/2013] [Accepted: 12/08/2013] [Indexed: 02/06/2023]
Abstract
For more than half a century, cytotoxic agents have been investigated as a possible treatment for cancer. Research on animal venoms has revealed their high toxicity on tissues and cell cultures, both normal and tumoral. Snake venoms show the highest cytotoxic potential, since ophidian accidents cause a large amount of tissue damage, suggesting a promising utilization of these venoms or their components as antitumoral agents. Over the last few years, we have studied the effects of snake venoms and their isolated enzymes on tumor cell cultures. Some in vivo assays showed antineoplastic activity against induced tumors in mice. In human beings, both the crude venom and isolated enzymes revealed antitumor activities in preliminary assays, with measurable clinical responses in the advanced treatment phase. These enzymes include metalloproteases (MP), disintegrins, L-amino acid oxidases (LAAOs), C-type lectins, and phospholipases A2 (PLA2s). Their mechanisms of action include direct toxic action (PLA2s), free radical generation (LAAOs), apoptosis induction (PLA2s, MP, and LAAOs), and antiangiogenesis (disintegrins and lectins). Higher cytotoxic and cytostatic activities upon tumor cells than normal cells suggest the possibility for clinical applications. Further studies should be conducted to ensure the efficacy and safety of different snake venom compounds for cancer drug development.
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Affiliation(s)
- Leonardo A. Calderon
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil
| | - Juliana C. Sobrinho
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil
| | - Kayena D. Zaqueo
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil
| | - Andrea A. de Moura
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil
| | - Amy N. Grabner
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil
| | - Maurício V. Mazzi
- Fundação Hermínio Ometto, UNIARARAS, Núcleo de Ciências da Saúde-NUCISA, 13607-339 Araras, SP, Brazil
| | - Silvana Marcussi
- Departamento de Química, Universidade Federal de Lavras, UFLA, 37200-000 Lavras, MG, Brazil
| | - Auro Nomizo
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, USP, Ribeirão Preto, SP, Brazil
| | - Carla F. C. Fernandes
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil
| | - Juliana P. Zuliani
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil
| | - Bruna M. A. Carvalho
- Departamento de Química, Biotecnologia e Engenharia de Bioprocessos, Universidade Federal de São João del Rei, UFSJ, Campus Alto paraopeba, Ouro Branco, MG, Brazil
| | - Saulo L. da Silva
- Departamento de Química, Biotecnologia e Engenharia de Bioprocessos, Universidade Federal de São João del Rei, UFSJ, Campus Alto paraopeba, Ouro Branco, MG, Brazil
| | - Rodrigo G. Stábeli
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil
| | - Andreimar M. Soares
- Centro de Estudos de Biomoléculas Aplicadas à Saúde, CEBio, Fundação Oswaldo Cruz, Fiocruz Rondônia e Departamento de Medicina, Universidade Federal de Rondônia, UNIR, Porto Velho, RO, Brazil
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Lee ML, Fung SY, Chung I, Pailoor J, Cheah SH, Tan NH. King cobra (Ophiophagus hannah) venom L-amino acid oxidase induces apoptosis in PC-3 cells and suppresses PC-3 solid tumor growth in a tumor xenograft mouse model. Int J Med Sci 2014; 11:593-601. [PMID: 24782648 PMCID: PMC4003544 DOI: 10.7150/ijms.8096] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2013] [Accepted: 02/27/2014] [Indexed: 11/05/2022] Open
Abstract
King cobra (Ophiophagus hannah) venom L-amino acid oxidase (OH-LAAO), a heat stable enzyme, has been shown to exhibit very potent anti-proliferative activity against human breast and lung tumorigenic cells but not in their non-tumorigenic counterparts. We further examine its in vitro and in vivo anti-tumor activity in a human prostate adenocarcinoma (PC-3) model. OH-LAAO demonstrated potent cytotoxicity against PC-3 cells with IC50 of 0.05 µg/mL after 72 h incubation in vitro. It induced apoptosis as evidenced with an increase in caspase-3/7 cleavages and an increase in annexin V-stained cells. To examine its in vivo anti-tumor activity, we treated PC-3 tumor xenograft implanted subcutaneously in immunodeficient NU/NU (nude) mice with 1 µg/g OH-LAAO given intraperitoneally (i.p.). After 8 weeks of treatment, OH-LAAO treated PC-3 tumors were markedly inhibited, when compared to the control group (P <0.05). TUNEL staining analysis on the tumor sections showed a significantly increase of apoptotic cells in the LAAO-treated animals. Histological examinations of the vital organs in these two groups showed no significant differences with normal tissues, indicating no obvious tissue damage. The treatment also did not cause any significant changes on the body weight of the mice during the duration of the study. These observations suggest that OH-LAAO cytotoxic effects may be specific to tumor xenografts and less to normal organs. Given its potent anti-tumor activities shown in vitro as well as in vivo, the king cobra venom LAAO can potentially be developed to treat prostate cancer and other solid tumors.
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Affiliation(s)
- Mui Li Lee
- 1. CENAR and Department of Molecular Medicine
| | | | | | | | - Swee Hung Cheah
- 4. Department of Physiology; Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia
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Li Lee M, Chung I, Yee Fung S, Kanthimathi M, Hong Tan N. Antiproliferative Activity of King Cobra (Ophiophagus hannah) Venoml-Amino Acid Oxidase. Basic Clin Pharmacol Toxicol 2013; 114:336-43. [DOI: 10.1111/bcpt.12155] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2013] [Accepted: 10/03/2013] [Indexed: 11/28/2022]
Affiliation(s)
- Mui Li Lee
- CENAR and Department of Molecular Medicine; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
| | - Ivy Chung
- Department of Pharmacology; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
| | - Shin Yee Fung
- CENAR and Department of Molecular Medicine; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
| | - M.S. Kanthimathi
- CENAR and Department of Molecular Medicine; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
| | - Nget Hong Tan
- CENAR and Department of Molecular Medicine; Faculty of Medicine; University of Malaya; Kuala Lumpur Malaysia
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Burin SM, Ayres LR, Neves RP, Ambrósio L, de Morais FR, Dias-Baruffi M, Sampaio SV, Pereira-Crott LS, de Castro FA. L-Amino Acid Oxidase Isolated fromBothrops pirajaiInduces Apoptosis in BCR-ABL-Positive Cells and Potentiates Imatinib Mesylate Effect. Basic Clin Pharmacol Toxicol 2013; 113:103-12. [DOI: 10.1111/bcpt.12073] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2012] [Accepted: 03/18/2013] [Indexed: 12/26/2022]
Affiliation(s)
- Sandra M. Burin
- Department of Clinical, Toxicological and Bromatological Analysis; School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo, USP; Ribeirão Preto; SP; Brazil
| | - Lorena R. Ayres
- Department of Clinical, Toxicological and Bromatological Analysis; School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo, USP; Ribeirão Preto; SP; Brazil
| | - Renata P. Neves
- Department of Clinical, Toxicological and Bromatological Analysis; School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo, USP; Ribeirão Preto; SP; Brazil
| | - Luciana Ambrósio
- Department of Clinical, Toxicological and Bromatological Analysis; School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo, USP; Ribeirão Preto; SP; Brazil
| | - Fabiana R. de Morais
- Department of Clinical, Toxicological and Bromatological Analysis; School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo, USP; Ribeirão Preto; SP; Brazil
| | - Marcelo Dias-Baruffi
- Department of Clinical, Toxicological and Bromatological Analysis; School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo, USP; Ribeirão Preto; SP; Brazil
| | - Suely V. Sampaio
- Department of Clinical, Toxicological and Bromatological Analysis; School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo, USP; Ribeirão Preto; SP; Brazil
| | - Luciana S. Pereira-Crott
- Department of Clinical, Toxicological and Bromatological Analysis; School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo, USP; Ribeirão Preto; SP; Brazil
| | - Fabíola A. de Castro
- Department of Clinical, Toxicological and Bromatological Analysis; School of Pharmaceutical Sciences of Ribeirão Preto; University of São Paulo, USP; Ribeirão Preto; SP; Brazil
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28
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Abdel-Rahman MA, Abdel-Nabi IM, El-Naggar MS, Abbas OA, Strong PN. Conus vexillum venom induces oxidative stress in Ehrlich's ascites carcinoma cells: an insight into the mechanism of induction. J Venom Anim Toxins Incl Trop Dis 2013; 19:10. [PMID: 23849458 PMCID: PMC3710111 DOI: 10.1186/1678-9199-19-10] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Accepted: 08/14/2012] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND It is estimated that venoms of marine cone snails (genus Conus) contain more than 100,000 different small peptides with a wide range of pharmacological and biological actions. Some of these peptides were developed into potential therapeutic agents and as molecular tools to understand biological functions of nervous and cardiovascular systems. In this study we examined the cytotoxic and anticancer properties of the marine vermivorous cone snail Conus vexillum (collected from Hurgada and Sharm El-Shaikh, Red Sea, Egypt) and suggest the possible mechanisms involved. The in vitro cytotoxic effects of Conus venom were assessed against Ehrlich's ascites carcinoma (EAC) cells. RESULTS Conus venom treatment resulted in concentration-dependent cytotoxicity as indicated by a lactate dehydrogenase leakage assay. Apoptotic effects were measured in vivo by measuring levels of reactive oxygen species and oxidative defense agents in albino mice injected with EAC cells. Conus venom (1.25 mg/kg) induced a significant increase (p < 0.05) in several oxidative stress biomarkers (lipid peroxidation, protein carbonyl content and reactive nitrogen intermediates) of EAC cells after 3, 6, 9 and 12 hours of venom injection. Conus venom significantly reduced (p < 0.05) the activities of oxidative defense enzymes (catalase and superoxide dismutase) as well as the total antioxidant capacity of EAC cells, as evidenced by lowered levels of reduced glutathione. CONCLUSIONS These results demonstrate the cytotoxic potential of C. vexillum venom by inducing oxidative stress mediated mechanisms in tumor cells and suggest that the venom contains novel molecules with potential anticancer activity.
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Affiliation(s)
| | - Ismail M Abdel-Nabi
- Department of Zoology, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt
- Department of Biological Sciences, Faculty of Science, Taibah University, Madinah, KSA
| | - Mohamed S El-Naggar
- Department of Zoology, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt
| | - Osama A Abbas
- Department of Zoology, Faculty of Sciences, Port Said University, Port Said, Egypt
| | - Peter N Strong
- Biomedical Research Center, Biosciences Division, Sheffield Hallam University, Sheffield, UK
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29
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Su J, Xu Y, Zhou L, Yu HM, Kang JS, Liu N, Quan CS, Sun LK. Suppression of Chloride Channel 3 Expression Facilitates Sensitivity of Human Glioma U251 Cells to Cisplatin Through Concomitant Inhibition of Akt and Autophagy. Anat Rec (Hoboken) 2013; 296:595-603. [DOI: 10.1002/ar.22665] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2012] [Accepted: 12/27/2012] [Indexed: 12/25/2022]
Affiliation(s)
- Jing Su
- Department of Pathophysiology, Norman Bethune College of Medicine; Jilin University; Changchun China
| | - Ye Xu
- Medical Research Laboratory; Jilin Medical College; Jilin City China
| | - Lei Zhou
- Department of Pathology; Affiliated Hospital to Changchun University of Chinese Medicine; Changchun China
| | - Hui-Mei Yu
- Department of Pathophysiology, Norman Bethune College of Medicine; Jilin University; Changchun China
| | - Jin-Song Kang
- Department of Pathophysiology, Norman Bethune College of Medicine; Jilin University; Changchun China
| | - Ning Liu
- Department of Pathophysiology, Norman Bethune College of Medicine; Jilin University; Changchun China
| | - Cheng-Shi Quan
- The Key Laboratory of Pathobiology, Department of Pathology, Norman Bethune College of Medicine; Jilin University; Changchun China
| | - Lian-Kun Sun
- Department of Pathophysiology, Norman Bethune College of Medicine; Jilin University; Changchun China
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Isolation and biochemical, functional and structural characterization of a novel l-amino acid oxidase from Lachesis muta snake venom. Toxicon 2012; 60:1263-76. [DOI: 10.1016/j.toxicon.2012.08.008] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2012] [Revised: 08/06/2012] [Accepted: 08/09/2012] [Indexed: 11/20/2022]
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31
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Jiang Y, Ma Y, Cheng Y. Transcriptome and Coexpression Network Analysis of the Human Glioma Cell Line Hs683 Exposed to Candoxin. J Int Med Res 2012; 40:887-98. [PMID: 22906261 DOI: 10.1177/147323001204000307] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE: Gliomas are the most common primary tumours of the central nervous system. Snake venom, such as candoxin (CDX) isolated from Bungarus candidus, inhibits glioma cell proliferation. This study explored the gene regulation profile of CDX-treated human glioma Hs683 cells. METHODS: Using microarray technology and bioinformatics analyses the underlying molecular mechanism of action of CDX was evaluated by constructing gene regulation and protein—protein interaction coexpression networks. RESULTS: CDX treatment induced a large number of related genes at the transcriptional level. The MYC gene (v-myc myelocytomatosis viral oncogene homologue [avian]) had a key role in the response of Hs683 cells to CDX treatment. Activation of MYC upregulated NDRG1 (N-myc downstream regulated 1), WNT10B (wingless-type mouse mammary tumour virus integration site family, member 10B), CASP9 (caspase 9, apoptosis-related cysteine peptidase) and CDKN2A (cyclin-dependent kinase inhibitor 2A), and downregulated ID3 (inhibitor of DNA binding 3, dominant negative helix—loop—helix protein) and SLC1A4 (solute carrier family 1 [glutamate/neutral amino acid transporter], member 4). In addition, a subnetwork was constructed among SPP1 (secreted phosphoprotein 1), SDC1 (syndecan 1) and CD44 based on protein—protein interactions, and these genes were predicted to be involved in glioma cell invasion. CONCLUSION: These findings might provide novel therapeutic targets for glioma chemotherapy.
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Affiliation(s)
- Yx Jiang
- Department of Neurosurgery, Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Y Ma
- Department of Neurosurgery, Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Y Cheng
- Department of Neurosurgery, Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
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Guo C, Liu S, Yao Y, Zhang Q, Sun MZ. Past decade study of snake venom L-amino acid oxidase. Toxicon 2012; 60:302-11. [PMID: 22579637 DOI: 10.1016/j.toxicon.2012.05.001] [Citation(s) in RCA: 105] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Revised: 04/10/2012] [Accepted: 05/01/2012] [Indexed: 11/28/2022]
Abstract
As one of the major protein (enzyme) components of snake venom (SV), L-amino acid oxidase (LAAO) plays an important role in the toxicities and biological activities for SV. Accumulated researches in the past decade gradually revealed that SV-LAAOs induce platelet aggregation, cell apoptosis and cytotoxicity, and have anti-microbial, anti-leishmaniasis, anti-tumor and anti-HIV activity. Except for the enzymatic and structural characteristics of SV-LAAOs, the biological functions of SV-LAAOs and relevant action mechanisms are also summarized and discussed in the review. This work might provide useful inputs for future studies on SV-LAAOs.
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Affiliation(s)
- Chunmei Guo
- Department of Biotechnology, Dalian Medical University, Dalian 116044, China
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Lukasheva E, Efremova A, Treshalina E, Arinbasarova A, Medentzev A, Berezov T. L-amino acid oxidases: properties and molecular mechanisms of action. ACTA ACUST UNITED AC 2012; 58:372-84. [DOI: 10.18097/pbmc20125804372] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
During previous decade L-amino acid oxidases (LAAO) attracted the steady interest of researchers due to their poly functional effects on different biological systems. The review summarizes information concerning the sources, structure, phisico-chemical and catalytical properties of LAAO which exhibit antibacterial, antifungal, antiprotozoal, antiviral effects as well as the ambiguous action on platelet aggregation. Special attention is devoted to the elucidation of molecular mechanisms of LAAO action. It is proposed that the unique properties of LAAO are based on their catalytic reaction, which causes the decrease of L-amino acid levels, including the essential amino acids and formation of hydrogen peroxide. The action of liberated H2O2 on cells involves the synthesis of oxygen reactive species and the development of necrotic and apoptotic pathways of cell death. The presence of carbohydrate moieties in LAAO molecules promotes their attachment to cell's surface and creation of high H2O2 local concentrations. The wide range of LAAO biological effects is undoubtedly connected with their important functional roles in the organism. In particular, it was shown that in the mice brain the LAAO-catalyzed reaction is the single pathway of L-lysine degradation, while in the mice milk LAAO carry out the antibacterial effect and in human leucocytes LAAO take part in fulfilling their defending role. Protector action may be also attributed to the oxidases from the other numerous sources: microscopic fungi, snake venoms and sea inhabitants.
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Affiliation(s)
- E.V. Lukasheva
- Department of Biochemistry, Medical Faculty, Russian Peoples’ Friendship University
| | - A.A. Efremova
- Department of Biochemistry, Medical Faculty, Russian Peoples’ Friendship University
| | - E.M. Treshalina
- N. N. Blokhin Cancer Research Center,Russian Academy of Medical Sciences
| | - A.Ju. Arinbasarova
- G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences
| | - A.G. Medentzev
- G.K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences
| | - T.T. Berezov
- Department of Biochemistry, Medical Faculty, Russian Peoples’ Friendship University
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34
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Lukasheva EV, Efremova AA, Treshalina EM, Arinbasarova AY, Medentzev AG, Berezov TT. L-Amino acid oxidases: Properties and molecular mechanisms of action. BIOCHEMISTRY MOSCOW-SUPPLEMENT SERIES B-BIOMEDICAL CHEMISTRY 2011. [DOI: 10.1134/s199075081104007x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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35
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Deolindo P, Teixeira-Ferreira AS, DaMatta RA, Alves EW. L-amino acid oxidase activity present in fractions of Bothrops jararaca venom is responsible for the induction of programmed cell death in Trypanosoma cruzi. Toxicon 2010; 56:944-55. [PMID: 20615423 DOI: 10.1016/j.toxicon.2010.06.019] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2009] [Revised: 06/18/2010] [Accepted: 06/28/2010] [Indexed: 11/27/2022]
Abstract
Bothrops jararaca venom induces programmed cell death in epimastigotes of Trypanosoma cruzi. Here we fractionated the venom and observed that the anti-T. cruzi activity was associated with fractions that present L-amino acid oxidase (L-AAO) activity. L-AAO produces H(2)O(2), which is highly toxic. The addition of catalase to the medium, a H(2)O(2) scavenger, reverted the killing capacity of venom fractions. The anti-T. cruzi activity was also abolished when parasites were cultured in a medium without hydrophobic amino acids that are essential for L-AAO activity. These results were confirmed with a commercial purified L-AAO. Treatment for 24 h with fractions that present L-AAO activity induced parasites cytoplasmic retraction, mitochondrial swelling and DNA fragmentation, all morphological characteristics of programmed cell death. Similar changes were also observed when parasites were treated with H(2)O(2). These results indicate that H(2)O(2), the product of L-AAO reaction, induces programmed cell death explaining the anti-T. cruzi activity of B. jararaca venom.
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Affiliation(s)
- Poliana Deolindo
- Laboratório de Química e Função de Proteínas e Peptídeos, Centro de Biociências e Biotecnologia, Universidade Estadual do Norte Fluminense, Av. Alberto Lamego, 2000, 28013-600 Campos dos Goytacazes, RJ, Brazil
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36
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Apoptosis of human hepatocellular carcinoma cell (HepG2) induced by cardiotoxin III through S-phase arrest. ACTA ACUST UNITED AC 2009; 61:307-15. [DOI: 10.1016/j.etp.2008.09.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2008] [Revised: 07/02/2008] [Accepted: 09/22/2008] [Indexed: 11/20/2022]
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37
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Ciscotto P, Machado de Avila R, Coelho E, Oliveira J, Diniz C, Farías L, de Carvalho M, Maria W, Sanchez E, Borges A, Chávez-Olórtegui C. Antigenic, microbicidal and antiparasitic properties of an l-amino acid oxidase isolated from Bothrops jararaca snake venom. Toxicon 2009; 53:330-41. [DOI: 10.1016/j.toxicon.2008.12.004] [Citation(s) in RCA: 75] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2008] [Revised: 12/03/2008] [Accepted: 12/04/2008] [Indexed: 12/09/2022]
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38
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Chen XY, Yang HX, Qu SF, Liu J, Lv P, Xu JP, Xu KS. Involvement of p38 and c-Jun N-Terminal Protein Kinase in Cardiotoxin III-Induced Apoptosis of K562 Cells. Biol Pharm Bull 2009; 32:583-8. [DOI: 10.1248/bpb.32.583] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Xing-yong Chen
- School of Life Science, University of Science and Technology of China
| | - Hua-xin Yang
- National Institute for the Control of Pharmaceutical and Biological Products, No. 2
| | - Shou-fang Qu
- National Institute for the Control of Pharmaceutical and Biological Products, No. 2
| | - Jing Liu
- School of Life Science, University of Science and Technology of China
| | - Ping Lv
- National Institute for the Control of Pharmaceutical and Biological Products, No. 2
| | - Jia-ping Xu
- Key Laboratory of Ion Beam Bioengineering, Institute of Plasma Physics, Chinese Academy of Sciences
| | - Kang-sen Xu
- National Institute for the Control of Pharmaceutical and Biological Products, No. 2
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de Vieira Santos MM, Sant’Ana CD, Giglio JR, da Silva RJ, Sampaio SV, Soares AM, Fecchio D. Antitumoural Effect of an l-Amino Acid Oxidase Isolated from Bothrops jararaca Snake Venom. Basic Clin Pharmacol Toxicol 2008; 102:533-42. [DOI: 10.1111/j.1742-7843.2008.00229.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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40
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Zhang L, Wu WT. Isolation and characterization of ACTX-6: a cytotoxicL-amino acid oxidase fromAgkistrodon acutussnake venom. Nat Prod Res 2008; 22:554-63. [DOI: 10.1080/14786410701592679] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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41
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Samel M, Tõnismägi K, Rönnholm G, Vija H, Siigur J, Kalkkinen N, Siigur E. l-Amino acid oxidase from Naja naja oxiana venom. Comp Biochem Physiol B Biochem Mol Biol 2008; 149:572-80. [DOI: 10.1016/j.cbpb.2007.11.008] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2007] [Revised: 11/20/2007] [Accepted: 11/20/2007] [Indexed: 11/30/2022]
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42
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Wei XL, Wei JF, Li T, Qiao LY, Liu YL, Huang T, He SH. Purification, characterization and potent lung lesion activity of an L-amino acid oxidase from Agkistrodon blomhoffii ussurensis snake venom. Toxicon 2007; 50:1126-39. [PMID: 17854853 DOI: 10.1016/j.toxicon.2007.07.022] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2007] [Revised: 07/28/2007] [Accepted: 07/30/2007] [Indexed: 02/05/2023]
Abstract
L-amino acid oxidases (LAOs) are one of the major components of snake venoms, which possess numerous biological functions. However, little is known of the influence of LAOs on organ lesions. In the present study, a unique LAO from Agkistrodon blomhoffii ussurensis snake venom named ABU-LAO was purified by Heparin-Sepharose FF chromatography followed by an ion-exchange chromatography procedure. The purified ABU-LAO appears a dimer with a molecular mass of approximately 108.8kDa. Kinetics studies showed that ABU-LAO is very active towards its substrates L-Asn, L-Phe, L-Tyr, L-Leu, L-Ile and L-Trp. The most striking observation in the present study is that ABU-LAO causes severe pneumorrhagia, pulmonary interstitial edema, fusion of pulmonary alveoli, cardiac interstitial edema and bleeding when being intravenously injected into BALB/c mice. ABU-LAO also induces liver cell necrosis and release of cytokines including IL-6, IL-12 and IL-2 from highly purified human peripheral blood monocytes and T cells, respectively. In conclusion, ABU-LAO potently induces lesions in lungs and livers. The ability of ABU-LAO will contribute to the understanding of the pathogenesis of snakebite wound.
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Affiliation(s)
- Xiao-Long Wei
- Allergy and Inflammation Research Institute, The Key Immunopharmacology Laboratory of Guangdong Province, Shantou University Medical College, 22 Xin-ling Road, Shantou, Guangdong 515041, China
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43
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Zhang L, Cui L. A cytotoxin isolated from Agkistrodon acutus snake venom induces apoptosis via Fas pathway in A549 cells. Toxicol In Vitro 2007; 21:1095-103. [PMID: 17544616 DOI: 10.1016/j.tiv.2007.04.008] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2006] [Revised: 04/09/2007] [Accepted: 04/17/2007] [Indexed: 10/23/2022]
Abstract
ACTX-6 is a protein isolated from Agkistrodon acutus snake venom and demonstrated cytotoxic activity to various cancer cells in vitro. In this paper the exact mechanism in ACTX-6-induced cell death was investigated and it was found that ACTX-6 could induce cell apoptosis. The results of Western blot and RT-PCR showed that ACTX-6 could induce Fas and FasL protein expression. When Fas signaling pathway was blocked by neutralizing antibodies to Fas or FasL, ACTX-6-induced apoptosis was inhibited. DISC formation was also detected by immunoprecipitation. These results suggested that Fas pathway was involved in ACTX-6-induced apoptosis. The activities of caspase-3, 8 and 9 were assayed and the activation of caspase-9 demonstrated that mitochondrial pathway was also involved in ACTX-6-induced apoptosis. Bid cleavage and dissipation of mitochondrial membrane potential (delta psi(m)) verified the involvement of mitochondria. ACTX-6 is an L-amino acid oxidase and can oxidize L-amino acid to generate hydrogen peroxide. The production of ROS in ACTX-6-treated cells was detected and the ROS scavenger catalase could inhibit ACTX-6-induced apoptosis. Western blot analysis showed that JNK was phosphorylated in ACTX-6-treated cells and c-Jun was also activated. JNK inhibitor SP600125 could inhibit ACTX-6-induced apoptosis and catalase could inhibit JNK and c-Jun phosphorylation. It could be concluded that JNK pathway was necessary in ACTX-6-induced apoptosis and the oxidative stress generated by ACTX-6 was responsible for the activation of JNK.
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Affiliation(s)
- Liang Zhang
- School of Pharmacy, Soochow University, Renai Road, Soochow, Jiangsu Province 215123, China.
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44
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Stábeli RG, Sant'Ana CD, Ribeiro PH, Costa TR, Ticli FK, Pires MG, Nomizo A, Albuquerque S, Malta-Neto NR, Marins M, Sampaio SV, Soares AM. Cytotoxic l-amino acid oxidase from Bothrops moojeni: Biochemical and functional characterization. Int J Biol Macromol 2007; 41:132-40. [PMID: 17320169 DOI: 10.1016/j.ijbiomac.2007.01.006] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2006] [Revised: 01/15/2007] [Accepted: 01/15/2007] [Indexed: 11/18/2022]
Abstract
An L-amino acid oxidase isolated from Bothrops moojeni snake venom (BmooLAAO-I) was purified to a high degree using sequential CM-Sepharose ion-exchange and phenyl-Sepharose chromatography. When analyzed by mass spectrometry, the purified BmooLAAO-I presented a molecular weight of 64,889 and 130,779 under denaturing and nondenaturing conditions, respectively. BmooLAAO-I is a homodimeric acidic glycoprotein with a pI approximately 4.7, and the N-terminal sequence shows close structural similarity to other snake venom LAAOs. This enzyme was inactivated by freezing or low pH, and secondary structural analysis by circular dichroism revealed 48% alpha-helix, 20% beta-sheet, 12% beta-turn, and 20% random coil structures. BmooLAAO-I exhibited bactericidal, antitumoral, trypanocidal, edematogenic, and platelet-aggregating activities. All of these effects were inhibited by catalase, suggesting that these biological effects are mediated by the production of H(2)O(2). BmooLAAO-I induced typical apoptotic DNA fragmentation in HL-60 cells, which was also inhibited by catalase. These results point to the potential use of BmooLAAO-I as a therapeutic agent for treatment of diseases in which induction of H(2)O(2) production can be beneficial.
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Affiliation(s)
- Rodrigo G Stábeli
- Laboratório de Bioquímica do Instituto de Pesquisas em Patologias Tropicais (IPEPATRO), Universidade Federal de Rondônia, UNIR, Porto Velho-RO, Brazil
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Zhang L, Wei LJ. ACTX-8, a cytotoxic l-amino acid oxidase isolated from Agkistrodon acutus snake venom, induces apoptosis in Hela cervical cancer cells. Life Sci 2007; 80:1189-97. [PMID: 17275856 DOI: 10.1016/j.lfs.2006.12.024] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2006] [Revised: 12/03/2006] [Accepted: 12/12/2006] [Indexed: 01/11/2023]
Abstract
ACTX-8 is a protein isolated from Agkistrodon acutus snake venom in our laboratory. It demonstrates cytotoxic activity on various carcinoma cell lines in vitro. However, the mechanism by which ACTX-8 inhibits cell proliferation remains poorly understood. In this study the influence of ACTX-8 on the activation of apoptotic pathway in Hela cells was investigated. We demonstrated that cell death induced by ACTX-8 was concentration- and time-dependent. Apoptotic changes such as phosphatidyl serine externalization and DNA fragmentation were detected in ACTX-8-treated cells. Caspase activation and reactive oxygen species (ROS) production were involved in ACTX-8-induced apoptosis, but pan caspase inhibitor, z-VAD-fmk, could not inhibit cell death induced by ACTX-8 completely, which proved the existence of another pathway for ACTX-8-induced cell death. We found cytochrome c release into cytosol and mitochondrial membrane potential (MMP) dissipation in ACTX-8-treated cells, which indicated that mitochondrial pathway played a role in ACTX-8-induced cell apoptosis. The ratio of expression levels of pro- and anti-apoptotic Bcl-2 family members was not changed by ACTX-8 treatment. However Bad and Bax were translocated from cytosol into mitochondria, and the coimmunoprecipitation result indicated that in mitochondria Bak and Bcl-xL dissociation was followed by the binding of Bad and Bcl-xL. Taken together, the study indicated mitochondrial pathway played an important role in the ACTX-8-induced apoptosis, which was regulated by Bcl-2 family members.
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Affiliation(s)
- Liang Zhang
- School of Pharmacy, Soochow University, Soochow, Jiangsu Province, 215123, China.
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Gomes A, Choudhury SR, Saha A, Mishra R, Giri B, Biswas AK, Debnath A, Gomes A. A heat stable protein toxin (drCT-I) from the Indian Viper (Daboia russelli russelli) venom having antiproliferative, cytotoxic and apoptotic activities. Toxicon 2007; 49:46-56. [PMID: 17055549 DOI: 10.1016/j.toxicon.2006.09.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2006] [Revised: 09/09/2006] [Accepted: 09/12/2006] [Indexed: 10/24/2022]
Abstract
A heat stable 7.2kDa protein toxin (drCT-I) has been purified and crystallized from Indian Daboia russelli russelli venom (Roy Choudhury et al., 2006. Acta Cryst. F Struct Biol Cryst Commun, 62(Pt. 3), 292). The N-terminal (first 20) amino acid sequence of drCT-I was LKCNKLVPLFYKTCPAGKNL, which showed sequence homology to cytotoxins isolated from Naja venom. drCT-I has been evaluated for anticancer activity against EAC cells in vivo and human leukemic cells (U937, K562) in vitro. drCT-I (125 microg/kg, i.p/day for 10 days) significantly decreased EAC cell count, cell viability (p<0.001) and significantly increased the survival time of tumour bearing mice (T/C% 178.64, p<0.01) in comparison to untreated tumour bearing control. drCT-I, produced dose and time-dependent inhibition of U937 and K562 cell growth and had an IC50 of 8.9 and 6.7 microg/ml respectively after 24h treatment. The reduced MTT values after drCT-I treatment indicated its cytotoxic nature, which supported its antiproliferative action. Scanning electron microscopy and confocal microscopy in U937 and K562 cells after drCT-I treatment indicated certain features of apoptosis such as membrane blebbing, perforations, nuclear fragmentation. The induction of apoptosis was further confirmed by phosphatidylserine externalization observed using annexinV-FITC/PI staining and flow cytometric analysis. drCT-I brought about apoptosis by G1 phase arrest of the cell cycle. The effect of drCT-I on normal human peripheral blood mononuclear cell (PBMNC) viability and cytotoxicity was studied in culture and was found to be lower than that on U937 and K562 cells. Thus both in vivo and in vitro experimental results suggested that drCT-I possessed anticancer potential.
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Affiliation(s)
- Antony Gomes
- Laboratory of Toxinology and Experimental Pharmacodynamics, Department of Physiology, University of Calcutta, 92 A. P. C. Road, Kolkata 700 009, India.
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Cayatte C, Pons C, Guigonis JM, Pizzol J, Elies L, Kennel P, Rouquié D, Bars R, Rossi B, Samson M. Protein Profiling of Rat Ventral Prostate following Chronic Finasteride Administration. Mol Cell Proteomics 2006; 5:2031-43. [PMID: 16837577 DOI: 10.1074/mcp.m600165-mcp200] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
To better understand the effects of antiandrogens on the prostate, we investigated the changes in the proteome of rat ventral prostate (VP) following treatment with a well characterized 5alpha-reductase inhibitor, finasteride. Sprague-Dawley rats were treated daily by gavage with finasteride at 0, 1, 5, 25, and 125 mg/kg/day. Changes in plasma hormone levels as well as the weight and histology of sex accessory tissues were determined after 28 days of treatment and showed a dose-related decrease of VP weights together with a marked atrophy of the tissue visible at the macroscopic and microscopic levels. In addition, significant reductions in seminal vesicle and epididymis weights were noted. VP proteins were analyzed by two-dimensional gel electrophoresis: 37 proteins, mainly involved in protein synthesis, processing, and cellular trafficking and in metabolism, detoxification, and oxidative stress, were identified as modulated by finasteride. The prominent feature of this study is the demonstration of finasteride dose-dependent up-regulation of a protein similar to l-amino-acid oxidase 1 (Lao1). An up-regulation of this protein was also observed with the antiandrogen flutamide. Lao1 expression occurred as early as 48 h after antiandrogen administration and persisted throughout the treatment duration. Immunohistochemistry showed that this protein was only detectable in epithelial cells and secretory vesicles. Altogether these data point to a potential use of Lao1 to reveal antiandrogen-induced prostate injury.
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Kommoju PR, Macheroux P, Ghisla S. Molecular cloning, expression and purification of L-amino acid oxidase from the Malayan pit viper Calloselasma rhodostoma. Protein Expr Purif 2006; 52:89-95. [PMID: 17127077 DOI: 10.1016/j.pep.2006.09.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2006] [Revised: 09/29/2006] [Accepted: 09/29/2006] [Indexed: 10/24/2022]
Abstract
A cDNA encoding LAAO from the Malayan pit viper (Calloselasma rhodostoma) was cloned into an expression vector of the methylotropic yeast Pichia pastoris. The LAAO open reading frame was inserted after the alpha-MF-signal sequence. Upon induction soluble and active LAAO is produced and exported into the culture supernatant at a concentration of up to 0.4 mg/L. Recombinant LAAO was purified from this by ion exchange and molecular sieve chromatography to yield apparently homogeneous protein in quantities of approximately 0.25 mg/L growth medium. Expressed LAAO exhibits the same electrophoretic mobility as native LAAO (62 kDa) and exhibits approximately the same extent of glycosylation as authentic LAAO from snake venom. Catalytic properties and substrate specificity of recombinant LAAO are similar to those of native enzyme.
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Tõnismägi K, Samel M, Trummal K, Rönnholm G, Siigur J, Kalkkinen N, Siigur E. l-Amino acid oxidase from Vipera lebetina venom: Isolation, characterization, effects on platelets and bacteria. Toxicon 2006; 48:227-37. [PMID: 16828829 DOI: 10.1016/j.toxicon.2006.05.004] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2006] [Revised: 05/05/2006] [Accepted: 05/09/2006] [Indexed: 11/19/2022]
Abstract
The L-amino acid oxidase from Vipera lebetina venom was purified to homogeneity using combination of size exclusion, ion exchange and hydrophobic chromatography. The monomeric molecular mass of the homodimeric enzyme is 60.9kDa. The N-terminal and the tryptic peptides share high homology with other snake venom L-amino acid oxidases. The enzyme displays high specificity towards hydrophobic L-amino acids, the best substrates are L-Met, L-Trp, L-Leu followed by L-His, L-Phe, L-Arg and L-Ile. Six substrates-Gly, L-Ser, L-Thr, L-Pro, L-Cys, L-Asp--were not oxidized. The enzyme has antimicrobial activity inhibiting the growth of both Gram-negative and Gram-positive bacteria. V. lebetina LAAO dose-dependently inhibited platelet aggregation induced by ADP or collagen. In case of ADP-induced aggregation the inhibitory effect was more pronounced on the second wave of aggregation.
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Affiliation(s)
- Külli Tõnismägi
- National Institute of Chemical Physics and Biophysics, 12618 Tallinn, Estonia
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Samel M, Vija H, Rönnholm G, Siigur J, Kalkkinen N, Siigur E. Isolation and characterization of an apoptotic and platelet aggregation inhibiting l-amino acid oxidase from Vipera berus berus (common viper) venom. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2006; 1764:707-14. [PMID: 16574513 DOI: 10.1016/j.bbapap.2006.01.021] [Citation(s) in RCA: 79] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2005] [Revised: 01/25/2006] [Accepted: 01/26/2006] [Indexed: 11/19/2022]
Abstract
An L-amino acid oxidase was isolated from the venom of the common viper Vipera berus berus by a three-step procedure combining gel filtration, ion exchange and hydrophobic chromatography. The enzyme is a non-covalently bound homodimer with a monomeric molecular mass of 57.7 kDa. The N-terminal amino acid sequence and the internal peptide sequences show close structural homology with other snake venom L-amino acid oxidases. The purified protein catalyzed oxidative desamination of L-amino acids, the most specific substrate is L-Phe. The best substrates among the studied 20 amino acids were: L-Met, L-Leu, L-Phe, L-Ile, L-Arg and L-His. Five amino acids, L-Ser, L-Pro, Gly, L-Thr and L-Cys, were not oxidized. The enzyme inhibited ADP-induced platelet aggregation dose-dependently with an IC50 of 0.07 microM. The effect was neutralized by catalase. V. berus berus LAAO induced apoptosis in cultured HeLa and K562 cells as shown by DNA fragmentation gel pattern. The induction of apoptosis was inhibited by catalase.
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Affiliation(s)
- Mari Samel
- National Institute of Chemical Physics and Biophysics, Akadeemia tee 23, 12618 Tallinn, Estonia
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