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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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Abd-Alrahman AM, Ramadan MM, Maraay MF, Salem R, Saleh FM, Hashim MA, Zhernyakova A, El-Messery TM. Production of natural flavor compounds using Bacillus subtilis-fermented soybean meal extract and their biological potential: a comprehensive in vitro study. Front Nutr 2024; 10:1280209. [PMID: 38299181 PMCID: PMC10829107 DOI: 10.3389/fnut.2023.1280209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Accepted: 12/27/2023] [Indexed: 02/02/2024] Open
Abstract
This study aims to investigate the production of natural flavor compounds through the utilization of Bacillus subtilis-fermented soybean meal extract and evaluate their biological potential. The experiment involved a comprehensive in vitro investigation to assess the capabilities and effects of the produced flavor compounds. The resulting flavor compounds were subjected to various in vitro tests to assess their properties, including cytotoxicity, antioxidant activity, anticancer potential, antiviral activity, and antimicrobial activity. To enhance the fermentation process, soybean meal extract was fortified with a combination of L-Lysine and L-Threonine. Gas chromatography-mass spectrometry (GC/MS) analysis was conducted on the fermented soybean meal using two strains of Bacillus subtilis, namely NRCH123 and NRCZ144. This analysis revealed the presence of various volatile compounds in all extracts, including Butylated hydroxytoluene. The fermented soybean extract with bacillus subtilis NRCZ144 (B2) fortified with a combination of 2.5% (w/w) L-Lysine and 2.5% w/w L-threonine (SLT2) exhibited a rich profile of flavor compounds, with Eucalyptol being identified as the predominant compound. The antioxidant activity of the SLT2 extract was found to be 72.04% at a concentration of 100 μg/mL, indicating significant antioxidant potential. Furthermore, when tested against the human liver cancer cell line HepG2, the extract demonstrated anticancer activity with an IC50 value of 2.26 μg/mL. The extract exhibited potent cytotoxicity, with an IC50 value of 1.02 μg/mL. Importantly, the SLT2 extract displayed strong antibacterial and antifungal activity, even at very low concentrations. The extract's antimicrobial properties indicate its potential for inhibiting the growth of bacteria and fungi.
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Affiliation(s)
- Abeer M. Abd-Alrahman
- Department Food Science and Technology, Faculty of Home Economics, Al-Azhar University, Tanta, Egypt
| | - Manal M. Ramadan
- Department Chemistry of Flavor and Aroma, Food Industry and Nutrition, National Research Centre, Cairo, Egypt
| | | | - Rabab Salem
- Department Food Science and Technology, Faculty of Home Economics, Al-Azhar University, Tanta, Egypt
| | - Fatma M. Saleh
- Department Food Science and Technology, Faculty of Home Economics, Al-Azhar University, Tanta, Egypt
| | - Mahmood A Hashim
- International Research Centre “Biotechnologies of the Third Millennium,” Faculty of Biotechnologies (BioTech), ITMO University, Saint Petersburg, Russia
- Agricultural Research Center, Food Technology Research Institute, Giza, Egypt
- Department of Food and Nutrition, Faculty of Agriculture and Forestry, University of Helsinki, Helsinki, Finland
| | - Anastasia Zhernyakova
- International Research Centre “Biotechnologies of the Third Millennium,” Faculty of Biotechnologies (BioTech), ITMO University, Saint Petersburg, Russia
| | - Tamer M. El-Messery
- International Research Centre “Biotechnologies of the Third Millennium,” Faculty of Biotechnologies (BioTech), ITMO University, Saint Petersburg, Russia
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Ashmawy FO, Gomha SM, Abdallah MA, Zaki MEA, Al-Hussain SA, El-Desouky MA. Synthesis, In Vitro Evaluation and Molecular Docking Studies of Novel Thiophenyl Thiazolyl-Pyridine Hybrids as Potential Anticancer Agents. Molecules 2023; 28:molecules28114270. [PMID: 37298747 DOI: 10.3390/molecules28114270] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/11/2023] [Accepted: 05/15/2023] [Indexed: 06/12/2023] Open
Abstract
Many literature reports revealed the anticancer activity of pyridine and thiazole derivatives, especially in lung cancer. Therefore, a new series of thiazolyl pyridines linked with thiophene moiety via hydrazone group was prepared by one-pot multi-component reaction of (E)-1-(4-methyl-2-(2-(1-(thiophen-2-yl)ethylidene)hydrazinyl)thiazol-5-yl)ethanone with benzaldehyde derivatives and malononitrile in a good yield. Then, compound 5 and the thiazolyl pyridines were investigated for their in vitro anticancer activity against lung cancer (A549) cell line using MTT assay compared to doxorubicin as a reference drug. The structure of all the newly synthesized compounds was established based on spectroscopic data and elemental analyses. For better insight to investigate their mechanism of action on A549 cell line, docking studies were performed, targeting epidermal growth factor receptor (EGFR) tyrosine kinase. The results obtained revealed that the tested compounds displayed excellent anticancer activities against lung cancer cell line except 8c and 8f compared to reference drug. Based on the data obtained, it can be inferred that the novel compounds, as well as their key intermediate, compound 5, demonstrated potent anticancer activity against lung carcinoma by inhibiting EGFR.
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Affiliation(s)
- Fayza O Ashmawy
- Department of Chemistry, Biochemistry Division, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Sobhi M Gomha
- Department of Chemistry, Faculty of Science, Islamic University of Madinah, Madinah 42351, Saudi Arabia
- Department of Chemistry, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Magda A Abdallah
- Department of Chemistry, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Magdi E A Zaki
- Department of Chemistry, Faculty of Science, Imam Mohammed Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
| | - Sami A Al-Hussain
- Department of Chemistry, Faculty of Science, Imam Mohammed Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
| | - Mohamed A El-Desouky
- Department of Chemistry, Biochemistry Division, Faculty of Science, Cairo University, Giza 12613, Egypt
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Shekarabi SM, Parsian H, Pooshang Bagheri K, Shahbazzadeh D. Oxilipin, a New Anti-cancer Phospholipase A2-like Protein from Iranian Caspian Cobra, Naja Naja Oxiana. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH : IJPR 2022; 21:e129616. [PMID: 36937210 PMCID: PMC10016118 DOI: 10.5812/ijpr-129616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2022] [Revised: 11/05/2022] [Accepted: 11/07/2022] [Indexed: 12/24/2022]
Abstract
The discovery of novel anti-cancer agents from natural resources is highly necessary. Concerning the above problem, the purpose of this study was to discover an anti-cancer compound from Caspian cobra venom. Fractionation of Caspian cobra venom was performed by gel filtration and IEX chromatography. The results showed an anti-cancer protein nominated as Oxilipin. Activity and toxicity of Oxilipin were studied on the colon SW480 cancer cell line using MTT, LDH release, PI staining, morphological cell analysis, hemolysis, and anti-proliferation assays. Oxilipin, an 11kDa protein purified from the venom of the Caspian cobra. LC/MS/MS analysis of obtained protein showed homology with Phospholipase A2 from Naja naja oxiana. 40 µg/ml of Oxilipin can induce an apoptotic effect in SW480 cell line up to 90%; meanwhile, this amount can induce only one-third of cytotoxicity on a normal cell. In this study, Iranian cobra venom was found to have cytotoxic effects on SW480 colon cancer tumor cells, with the least cytotoxicity on normal cells on HEK-293. Given that Oxilipin has slight toxicity on normal cells, it can be hypothesized that the obtained peptide can be considered as a drug lead in an animal model study of colon cancer.
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Affiliation(s)
- Seyed Mahdi Shekarabi
- Biotechnology Research Center, Medical Biotechnology Department, Venom and Biotherapeutics Molecules Lab., Pasteur Institute of Iran, Tehran, Iran
- Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran
| | - Hadi Parsian
- Department of Clinical Biochemistry, Babol University of Medical Sciences, Babol, Iran
| | - Kamran Pooshang Bagheri
- Biotechnology Research Center, Medical Biotechnology Department, Venom and Biotherapeutics Molecules Lab., Pasteur Institute of Iran, Tehran, Iran
| | - Delavar Shahbazzadeh
- Biotechnology Research Center, Medical Biotechnology Department, Venom and Biotherapeutics Molecules Lab., Pasteur Institute of Iran, Tehran, Iran
- Corresponding Author: Biotechnology Research Center, Medical Biotechnology Department, Venom and Biotherapeutics Molecules Lab., Pasteur Institute of Iran, Tehran, Iran.
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Permeation enhancers loaded bilosomes for improved intestinal absorption and cytotoxic activity of doxorubicin. Int J Pharm 2022; 630:122427. [PMID: 36435504 DOI: 10.1016/j.ijpharm.2022.122427] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2022] [Revised: 10/26/2022] [Accepted: 11/18/2022] [Indexed: 11/25/2022]
Abstract
The clinical utility of doxorubicin is compromised due to dose related toxic side effects and limited oral bioavailability with no oral formulation being marketed. Enhancement of intestinal absorption and magnification of cytotoxicity can overcome these limitations. Accordingly, the objective was to probe penetration enhancers, bilosomes and their combinations for enhanced intestinal absorption and improved cytotoxicity of doxorubicin. Piperine and dipyridamole were tested as enhancers alone or encapsulated in bilosomes comprising Span60, cholesterol and bile salts. Bilosomes were nanosized spherical vesicles with negative zeta potential and were able to entrap doxorubicin with efficiency ranging from 45.3 % to 53 %. Intestinal absorption studies utilized in-situ rabbit intestinal perfusion which revealed site dependent doxorubicin absorption correlating with regional distribution of efflux transporters. Co-perfusion with the enhancer increased intestinal absorption with further augmentation after bilosomal encapsulation. The latter increased the % fraction absorbed by 4.5-6 and 1.8-2.5-fold from jejuno-ileum and colon, respectively, depending on bilosomes composition. Additionally, doxorubicin cytotoxicity against breast cancer cells (MCF-7) was significantly improved after bilosomal encapsulation and the recorded doxorubicin IC50 value was reduced from 13.3 μM to 0.1 μM for the best formulation. The study introduced bilosomes encapsulating absorption enhancers as promising carriers for enhanced cytotoxicity and oral absorption of doxorubicin.
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Production, Characterization, and Cytotoxicity Effects of Silver Nanoparticles from Brown Alga (Cystoseira myrica). JOURNAL OF NANOTECHNOLOGY 2022. [DOI: 10.1155/2022/6469090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A green, eco-friendly approach to biosynthesizing silver nanoparticles has been reported for marine macroalga (Cystoseira myrica) extract as a reducing agent. Different pH and temperature impact the green synthesis of silver nanoparticles suggesting that the synthesis depends greatly on pH and temperature. The structure and characters of synthesized nanoparticles were confirmed using HR-TEM, DLS, XRD, and FTIR. Cytotoxicity was indicated using provided cell lines of breast carcinoma cells (MCF-7) and human hepatocellular carcinoma cells (HepG2). Shape of silver nanoparticles at pH 9 and 75°C for 30 min was found to be suitable for the biosynthesis process and the AgNPs exhibited a characteristic absorption peak at 434 nm. High Resolution Electron Microscope Transmission reported polydisperse and spherical shapes ranging from 8 to 15 nm. High attractive and repulsive forces between each nanoparticle were recorded with an average zeta-potential value of approximately −29.3 mV. The X-ray diffraction study revealed the crystalline structure of silver nanoparticles. FTIR has shown the bioreduction of silver ions to silver nanoparticles through biomolecules found in algal extract. Silver nanoparticles have been found to have anticancer activity. The cytotoxicity assay was studied against MCF-7 and HepG2 at various concentrations (100, 50, 25, 12.5, 6.25, 3.125, 1.56, 0.78, 0.39, 0.2, and 0.1 μg/mL). By increasing the concentration of AgNPs from 0.1 to 100 μg/mL, the maximum percentage of viability against MCF-7 and HepG2 cell line decreased from 94.55 ± 7.55 to 19.879 ± 0.503 and from 78.56 ± 11.36 to 25.81 ± 2.66 after time exposure, respectively.
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Van Petten de Vasconcelos Azevedo F, Lopes DS, Zóia MAP, Correia LIV, Saito N, Fonseca BB, Polloni L, Teixeira SC, Goulart LR, de Melo Rodrigues Ávila V. A New Approach to Inhibiting Triple-Negative Breast Cancer: In Vitro, Ex Vivo and In Vivo Antiangiogenic Effect of BthTx-II, a PLA 2-Asp-49 from Bothrops jararacussu Venom. Biomolecules 2022; 12:258. [PMID: 35204758 PMCID: PMC8961627 DOI: 10.3390/biom12020258] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 12/28/2021] [Accepted: 01/05/2022] [Indexed: 12/10/2022] Open
Abstract
Phospholipases A2 (PLA2) represent a superfamily of enzymes widely distributed in living organisms, with a broad spectrum of pharmacological activities and therapeutic potential. Anti-angiogenic strategies have become one of the main tools in fighting cancer. In this sense, the present work reports the inhibition of tumor angiogenesis induced by Asp-49 BthTX-II using in vitro, ex vivo and in vivo approaches. We demonstrate that BthTx-II inhibited cell adhesion, proliferation, and migration of human umbilical vein endothelial cells (HUVEC), as well as caused a reduction in the levels of endothelial growth factor (VEGF) during in vitro angiogenesis assays. BthTx-II was also able to inhibit the sprouting angiogenic process, by the ex vivo germination assay of the aortic ring; in addition, this toxin inhibited the migration and proliferation of HUVEC in co-culture with triple-negative breast cancer cells (e.g., MDA-MB-231 cells). Finally, in vivo tumor suppression and anti-angiogenic activities were analyzed using MDA-MB-231 cells with Matrigel injected into the chorioallantoic membrane of chicken embryo (CAM) for 7 days treatment with BthTx-II, showing a considerable reduction in vessel caliber, on the size and weight of tumors. Together, these results suggest an important antiangiogenic and antitumor role for BthTx-II, as a potential prototype for the development of new tools and antitumor drugs in cancer therapy.
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Affiliation(s)
- Fernanda Van Petten de Vasconcelos Azevedo
- Laboratory of Biochemistry and Animal Toxins, Institute of Biotechnology, Federal University of Uberlandia, Uberlândia 38408-100, MG, Brazil; (L.I.V.C.); (L.P.)
- Laboratory of Nanobiotechnology, Institute of Biotechnology, Federal University of Uberlandia, Uberlândia 38408-100, MG, Brazil; (M.A.P.Z.); (N.S.); (L.R.G.)
| | - Daiana Silva Lopes
- Multidisciplinary Institute of Health, Federal University of Bahia, Vitoria da Conquista, Salvador 40170-110, BA, Brazil;
| | - Mariana Alves Pereira Zóia
- Laboratory of Nanobiotechnology, Institute of Biotechnology, Federal University of Uberlandia, Uberlândia 38408-100, MG, Brazil; (M.A.P.Z.); (N.S.); (L.R.G.)
| | - Lucas Ian Veloso Correia
- Laboratory of Biochemistry and Animal Toxins, Institute of Biotechnology, Federal University of Uberlandia, Uberlândia 38408-100, MG, Brazil; (L.I.V.C.); (L.P.)
- Laboratory of Nanobiotechnology, Institute of Biotechnology, Federal University of Uberlandia, Uberlândia 38408-100, MG, Brazil; (M.A.P.Z.); (N.S.); (L.R.G.)
| | - Natieli Saito
- Laboratory of Nanobiotechnology, Institute of Biotechnology, Federal University of Uberlandia, Uberlândia 38408-100, MG, Brazil; (M.A.P.Z.); (N.S.); (L.R.G.)
| | | | - Lorena Polloni
- Laboratory of Biochemistry and Animal Toxins, Institute of Biotechnology, Federal University of Uberlandia, Uberlândia 38408-100, MG, Brazil; (L.I.V.C.); (L.P.)
| | - Samuel Cota Teixeira
- Department of Immunology, Biomedical Sciences Institute, Federal University of Uberlandia, Uberlândia 38408-100, MG, Brazil;
| | - Luiz Ricardo Goulart
- Laboratory of Nanobiotechnology, Institute of Biotechnology, Federal University of Uberlandia, Uberlândia 38408-100, MG, Brazil; (M.A.P.Z.); (N.S.); (L.R.G.)
| | - Veridiana de Melo Rodrigues Ávila
- Laboratory of Biochemistry and Animal Toxins, Institute of Biotechnology, Federal University of Uberlandia, Uberlândia 38408-100, MG, Brazil; (L.I.V.C.); (L.P.)
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Antiangiogenic effects of phospholipase A 2 Lys49 BnSP-7 from Bothrops pauloensis snake venom on endothelial cells: An in vitro and ex vivo approach. Toxicol In Vitro 2021; 72:105099. [PMID: 33486049 DOI: 10.1016/j.tiv.2021.105099] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/22/2020] [Accepted: 01/15/2021] [Indexed: 11/20/2022]
Abstract
Antiangiogenic strategies are promising tools for cancer treatment and several other disorders. In this sense, phospholipases A2 (PLA2s) from snake venom have been described to possess antiangiogenic properties. In this study, we evaluated both in vitro and ex vivo antiangiogenic effects induced by BnSP-7, a Lys49 PLA2 isolated from Bothrops pauloensis snake venom. BnSP-7 was able to inhibit endothelial cell (HUVEC) proliferation, which was indeed confirmed by a modulation of cell cycle progression. Interestingly, BnSP-7 also inhibited the adhesion and migration of HUVECs and blocked in vitro angiogenesis in a VEGF-dependent manner, an important proangiogenic factor. Finally, BnSP-7 was capable of inhibiting sprouting angiogenic process through an ex vivo aortic ring assay. Taken together, these results indicate that BnSP-7 has potent in vitro and ex vivo antiangiogenic effect.
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Colella F, Scillitani G, Pierri CL. Sweet as honey, bitter as bile: Mitochondriotoxic peptides and other therapeutic proteins isolated from animal tissues, for dealing with mitochondrial apoptosis. Toxicology 2020; 447:152612. [PMID: 33171268 DOI: 10.1016/j.tox.2020.152612] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 10/02/2020] [Accepted: 10/06/2020] [Indexed: 02/06/2023]
Abstract
Mitochondria are subcellular organelles involved in cell metabolism and cell life-cycle. Their role in apoptosis regulation makes them an interesting target of new drugs for dealing with cancer or rare diseases. Several peptides and proteins isolated from animal and plant sources are known for their therapeutic properties and have been tested on cancer cell-lines and xenograft murine models, highlighting their ability in inducing cell-death by triggering mitochondrial apoptosis. Some of those molecules have been even approved as drugs. Conversely, many other bioactive compounds are still under investigation for their proapoptotic properties. In this review we report about a group of peptides, isolated from animal venoms, with potential therapeutic properties related to their ability in triggering mitochondrial apoptosis. This class of compounds is known with different names, such as mitochondriotoxins or mitocans.
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Affiliation(s)
- Francesco Colella
- Laboratory of Biochemistry, Molecular and Structural Biology, Department of Biosciences, Biotechnologies, Biopharmaceutics, University of Bari, Via E. Orabona, 4, 70125, Bari, Italy
| | | | - Ciro Leonardo Pierri
- Laboratory of Biochemistry, Molecular and Structural Biology, Department of Biosciences, Biotechnologies, Biopharmaceutics, University of Bari, Via E. Orabona, 4, 70125, Bari, Italy; BROWSer S.r.l. (https://browser-bioinf.com/) c/o Department of Biosciences, Biotechnologies, Biopharmaceutics, University "Aldo Moro" of Bari, Via E. Orabona, 4, 70126, Bari, Italy.
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Teoh SQ, Yap MKK. Naja sumatrana venom cytotoxin, sumaCTX exhibits concentration-dependent cytotoxicity via caspase-activated mitochondrial-mediated apoptosis without transitioning to necrosis. TOXIN REV 2020. [DOI: 10.1080/15569543.2020.1799408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Shun Qi Teoh
- School of Science, Monash University Malaysia, Bandar Sunway, Malaysia
| | - Michelle Khai Khun Yap
- School of Science, Monash University Malaysia, Bandar Sunway, Malaysia
- Tropical Medicine and Biology Platform, Monash University Malaysia, Bandar Sunway, Malaysia
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Affiliation(s)
- Hassan M. Akef
- National Organization for Research and Control of Biologicals (NORCB), Giza, Egypt
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12
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Pathan J, Mondal S, Sarkar A, Chakrabarty D. Daboialectin, a C-type lectin from Russell's viper venom induces cytoskeletal damage and apoptosis in human lung cancer cells in vitro. Toxicon 2017; 127:11-21. [PMID: 28062165 DOI: 10.1016/j.toxicon.2016.12.013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 12/26/2016] [Accepted: 12/31/2016] [Indexed: 12/15/2022]
Abstract
'Daboialectin', a low molecular weight C-type lectin (18.5 kDa) isolated from Russell's viper venom showed cytotoxic effects on human broncho-alveolar carcinoma derived (A549) cell lines. Daboialectin induced inhibition of A549 cell growth was time and concentration dependent with severe morphological changes by altering the functions of small GTPases such as Rac, Rho and cdc42. ROS induced DNA damage may result in apoptosis by inducing disruption of membrane integrity, blebbing and nuclear disintegration by activating caspases. Our results indicate that Daboialectin, a snake c type lectin (Snaclec) isolated from RVV alters morphology of A549 cells via regulation of cytoskeleton through RHO-GTPases. On other hand, the HSP70 and some other anti-apoptotic proteins required for the survival of cancer cells was found to be down-regulated in presence of Daboialectin. Daboialectin was also found to be inhibitory to anti-adhesive and anti-invasive to A549 cells in vitro. Daboialectin is the first Snaclec reported to induce cytoskeletal changes through regulation of RHO-GTPases and blocking anti-apoptotic pathway for a cancer cell line.
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Affiliation(s)
- Jigni Pathan
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, K K Birla Goa Campus, Zuarinagar, Goa, India
| | - Sukanta Mondal
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, K K Birla Goa Campus, Zuarinagar, Goa, India
| | - Angshuman Sarkar
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, K K Birla Goa Campus, Zuarinagar, Goa, India
| | - Dibakar Chakrabarty
- Department of Biological Sciences, Birla Institute of Technology and Science, Pilani, K K Birla Goa Campus, Zuarinagar, Goa, India.
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Pathogenesis of dermonecrosis induced by venom of the spitting cobra, Naja nigricollis: An experimental study in mice. Toxicon 2016; 119:171-9. [DOI: 10.1016/j.toxicon.2016.06.006] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2016] [Revised: 05/14/2016] [Accepted: 06/07/2016] [Indexed: 11/18/2022]
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GOMHA S, ABDALLAH M, ABD EL-AZIZ M, SERAG N. Ecofriendly one-pot synthesis and antiviral evaluation of novel pyrazolyl pyrazolines of medicinal interest. Turk J Chem 2016; 40:484-498. [DOI: 10.3906/kim-1510-25] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023] Open
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Ebrahim K, Shirazi FH, Mirakabadi AZ, Vatanpour H. Cobra venom cytotoxins; apoptotic or necrotic agents? Toxicon 2015; 108:134-40. [DOI: 10.1016/j.toxicon.2015.09.017] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 09/10/2015] [Accepted: 09/15/2015] [Indexed: 11/28/2022]
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16
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Radwan M, Abd El-Hamid H, Mohamed A. Influence of saline solution on hydration behavior of β-dicalcium silicate in comparison with biphasic calcium phosphate/hydroxyapatite bio-ceramics. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 57:355-62. [DOI: 10.1016/j.msec.2015.07.011] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2015] [Revised: 04/17/2015] [Accepted: 07/09/2015] [Indexed: 11/24/2022]
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17
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Moussa HS, Ibrahem AB, Sayed AFE, Mohammed FA. In vitro Evaluation of Anti-microbial Activities of Marine Streptomyces against Viral Models, Bacterial and Fungal Strains. ACTA ACUST UNITED AC 2014. [DOI: 10.3923/ijv.2015.20.31] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Tsai PC, Chu CL, Chiu CC, Chang LS, Lin SR. Cardiotoxin III suppresses hepatocyte growth factor-stimulated migration and invasion of MDA-MB-231 cells. Cell Biochem Funct 2014; 32:485-95. [DOI: 10.1002/cbf.3041] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Revised: 05/06/2014] [Accepted: 05/28/2014] [Indexed: 11/08/2022]
Affiliation(s)
- Pei-Chien Tsai
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University; Kaohsiung Taiwan
| | - Chiao-Lun Chu
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University; Kaohsiung Taiwan
| | - Chien-Chih Chiu
- Department of Biotechnology; Kaohsiung Medical University; Kaohsiung Taiwan
| | - Long-Sen Chang
- Institute of Biomedical Sciences; National Sun Yat-Sen University; Kaohsiung Taiwan
| | - Shinne-Ren Lin
- Department of Medicinal and Applied Chemistry; Kaohsiung Medical University; Kaohsiung Taiwan
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Li YG, Ji DF, Zhong S, Liu PG, Lv ZQ, Zhu JX, Chen JE, Chen HP. Polysaccharide from Phellinus linteus induces S-phase arrest in HepG2 cells by decreasing calreticulin expression and activating the P27kip1-cyclin A/D1/E-CDK2 pathway. JOURNAL OF ETHNOPHARMACOLOGY 2013; 150:187-195. [PMID: 24001891 DOI: 10.1016/j.jep.2013.08.028] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 08/07/2013] [Accepted: 08/12/2013] [Indexed: 06/02/2023]
Abstract
ETHNOPHARMACOLOGY RELEVANCE Our previous study showed that the proteoglycan P1 from Phellinus linteus (Mesima) exhibits significant anti-tumor activity against human hepatocellular carcinoma cells (HepG2); however, its molecular mechanism remains unknown. This study aims to provide insights into the mechanism of the anti-tumor activity of P1 against HepG2 cells. METHODS We examined the effects of P1 on HepG2 cell proliferation in vitro and in vivo. Flow cytometry was used to analyze the cell cycle distribution and apoptosis. Proteomic analysis, real-time (RT)-PCR, and Western blot were carried out to observe the expression of several cell cycle control proteins in HepG2 cells. RESULTS Both the volume and the weight of solid tumors were significantly decreased in P1-treated mice (200mg/kg) compared with the control. The HepG2 cells in the P1-treated tumors were significantly decreased, irregularly shaped, and smaller. P1 slightly increased the body weight of the tumor-bearing mice, which indicates that P1 is nontoxic to mammals at 200mg/kg. P1 also caused a significant dose-dependent increase in S phase arrest, but no apoptosis was observed in HepG2 cells. The results of the proteomic analysis, RT-PCR, and Western blot analysis showed that significantly downregulated expression of calreticulin, cyclin D1, cyclin E, and CDK2 and upregulated expression of P27 kip1 and cyclin A in the P1-treated HepG2 cells (200 μg/ml). CONCLUSION These results suggest that calreticulin expression and the P27 kip1-cyclin A/D1/E-CDK2 pathway were involved in P1-induced S-phase cell cycle arrest in HepG2 cells.
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Affiliation(s)
- You-Gui Li
- Sericultural Research Institute, Zhejiang Academy of Agricultural Science, Hangzhou 310021, China
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20
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Lin YT, Huang AC, Kuo CL, Yang JS, Lan YH, Yu CC, Huang WW, Chung JG. Induction of cell cycle arrest and apoptosis in human osteosarcoma U-2 OS cells by Solanum lyratum extracts. Nutr Cancer 2013; 65:469-79. [PMID: 23530647 DOI: 10.1080/01635581.2013.757627] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
This research focused on a Chinese herb medicine, Solanum lyratum Thunb (Solanaceae) by ethanol extracts (SLE) for investigating the molecular anticancer mechanism in vitro for exploring the means of cell death through the effects on mitochondrial function. We found that SLE induced cytotoxic effects in human osteosacroma U-2 OS cells, and these effects include cell morphological changes, a decrease of the percentage of viable cells and induction of apoptosis. The results suggest that cell death induced by SLE is closely related to apoptosis based on the observations of DAPI staining and sub-G1 phase in U-2 OS cells. Flow cytometric assays also showed that SLE promoted the production of reactive oxygen species and nitric oxide but decreased the levels of mitochondrial membrane potential and promoted the activations of caspase-8 and -9 in U-2 OS cells. SLE inhibited the level of Bcl-2 but promoted the Bax level, and both proteins led to the release of cytochrome c from mitochondria to cytosol and activation of caspase-9 and -3, resulting in the apoptotic death which is mediated through the mitochondrial pathway. Taken together, SLE was demonstrated to be effective in killing U-2 OS osteosacroma cells via the ROS-promoted and mitochondria- and caspase-dependent apoptotic pathways.
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Affiliation(s)
- Yi-Ting Lin
- Department of Biological Science and Technology, China Medical University, Taichung, Taiwan
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Tsai PC, Chu CL, Chiu CC, Chang LS, Lin SR. Inhibition of Src activation with cardiotoxin III blocks migration and invasion of MDA-MB-231 cells. Toxicon 2013; 74:56-67. [PMID: 23933586 DOI: 10.1016/j.toxicon.2013.07.021] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 07/19/2013] [Accepted: 07/25/2013] [Indexed: 12/30/2022]
Abstract
Cardiotoxin III (CTX III), a basic polypeptide isolated from Naja naja atra venom, has been demonstrated to display anticancer activity. Breast cancer is a highly malignant carcinoma and most deaths of breast cancer are caused by metastasis. In this study, we show that CTX III blocks migration and invasion of MDA-MB-231 breast cancer cells without affecting apoptosis or cell cycle arrest. CTX III caused significant block of Src kinase activity in MDA-MB-231 cells. Moreover, CTX III treatment was correlated with reduced phosphorylation of FAK at Tyr576, 861 and 925 sites, p130(Cas) at Tyr410, and paxillin at Tyr118. CTX III also suppressed the activation of extracellular signal-regulated kinase1/2 and phosphatidylinositol 3-kinase/Akt. Consistent with inhibition of these signaling pathways and invasion, CTX III inhibited the expression of matrix metalloproteinase-9. In addition, Src specific inhibitor PP2 caused a significant decrease in the phosphorylation of FAK, p130(Cas), paxillin, PI3K/Akt, and ERK1/2. Taken together, CTX III significantly inhibited phosphorylation of Src and downstream molecules as well as cell migration and invasion. Our findings provide evidences that CTX III inhibits Src-mediated signaling pathways involved in controlling MDA-MB-231 cell migration and invasion, suggesting that it has therapeutic potential in breast cancer treatment.
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Affiliation(s)
- Pei-Chien Tsai
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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22
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de Paula NA, Niwa AM, Vesenick DC, Panis C, Cecchini R, de Fátima A, Ribeiro LR, Mantovani MS. Evaluation of the effects of nicorandil and its molecular precursor (without radical NO) on proliferation and apoptosis of 786-cell. Cytotechnology 2013; 65:839-50. [PMID: 23325113 DOI: 10.1007/s10616-012-9524-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2012] [Accepted: 11/26/2012] [Indexed: 12/22/2022] Open
Abstract
Nicorandil is a nitric oxide (NO) donor used in the treatment of angina symptoms. It has also been reported to protect cells and affect the proliferation and death of cells in some tissues. The molecules that interfere with these processes can cause dysfunction in healthy tissues but can also assist in the therapy of some disorders. In this study we examined the effect of nicorandil and of the molecular precursor that does not have the NO radical (N-(beta-hydroxyethyl) nicotinamide) on the cell proliferation and death of human renal carcinoma cells (786-O) under normal oxygenation conditions. The molecular precursor was used in order to analyze the effects independents of NO. In the cytotoxicity test, nicorandil was shown to be cytotoxic at very high concentrations and it was more cytotoxic than its precursor (cytotoxic at concentrations of 2,000 and 3,000 μg/mL, respectively). We propose that the lower cytotoxicity of the precursor is due to the absence of the NO radical. In this study, the cells exposed to nicorandil showed neither statistically significant changes in cell proliferation nor increases in apoptosis or genotoxicity. The precursor generated similar results to those of nicorandil. We conclude that nicorandil causes no changes in the proliferation or apoptosis of the cell 786-O in normal oxygenation conditions. Moreover, the lack of NO radical in the precursor molecule did not show a different result, except in the cell cytotoxicity.
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Affiliation(s)
- Natália Aparecida de Paula
- Laboratório de Genética Toxicológica, Departamento de Biologia Geral, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, Pr 445 Km 380, CEP 86055-990, Londrina, Paraná, Brazil,
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Tsai PC, Hsieh CY, Chiu CC, Wang CK, Chang LS, Lin SR. Cardiotoxin III suppresses MDA-MB-231 cell metastasis through the inhibition of EGF/EGFR-mediated signaling pathway. Toxicon 2012; 60:734-43. [DOI: 10.1016/j.toxicon.2012.05.019] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2012] [Revised: 05/01/2012] [Accepted: 05/24/2012] [Indexed: 01/21/2023]
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Improved method for the isolation, characterization and examination of neuromuscular and toxic properties of selected polypeptide fractions from the crude venom of the Taiwan cobra Naja naja atra. Toxicon 2012; 60:623-31. [DOI: 10.1016/j.toxicon.2012.05.013] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2012] [Revised: 05/15/2012] [Accepted: 05/23/2012] [Indexed: 11/24/2022]
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25
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Zhou C, Qian L, Ma H, Yu X, Zhang Y, Qu W, Zhang X, Xia W. Enhancement of amygdalin activated with β-D-glucosidase on HepG2 cells proliferation and apoptosis. Carbohydr Polym 2012; 90:516-23. [PMID: 24751072 DOI: 10.1016/j.carbpol.2012.05.073] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2012] [Revised: 05/16/2012] [Accepted: 05/19/2012] [Indexed: 10/28/2022]
Abstract
The growth inhibition and induction of apoptosis brought by amygdalin and activated with β-D-glucosidase were tested for cytoactivity in HepG2 cells. The MTT viability assay showed that all samples had effects on HepG2 proliferation in dose and time response manners. IC50 of stand-alone amygdalin and activation with β-D-glucosidase on the proliferation of HepG2 cells for 48 h were 458.10 mg/mL and 3.2 mg/mL, respectively. Moreover, apoptotic cells were determined by AO/EB (acridine orange/ethidium bromide) fluorescent staining method and Annexin V-FITC/PI staining flow cytometry cell cycle analysis. With increasing of amygdalin concentration and the incubation time, the apoptotic rate was heightened. Compared with the control, there was significant difference (p<0.01). Together, these findings indicate that amygdalin had no strong anti-HepG2 activity; however the ingredients of amygdalin activated with β-D-glucosidase had a higher and efficient anti-HepG2 activity. It was therefore suggested that this combination strategy may be applicable for treating tumors with a higher activity.
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Affiliation(s)
- Cunshan Zhou
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China; School of Agriculture and Food Science, Zhejiang A & F University, 88 Huancheng Road (N), Lin'an 311300, China; Jiangsu Provincial Research Center of Bio-process and Separation Engineering of Agri-products, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; Key Laboratory for Physical Processing of Agricultural Products, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Lichun Qian
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Haile Ma
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; Jiangsu Provincial Research Center of Bio-process and Separation Engineering of Agri-products, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; Key Laboratory for Physical Processing of Agricultural Products, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Xiaojie Yu
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; School of Agriculture and Food Science, Zhejiang A & F University, 88 Huancheng Road (N), Lin'an 311300, China; Jiangsu Provincial Research Center of Bio-process and Separation Engineering of Agri-products, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; Key Laboratory for Physical Processing of Agricultural Products, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Youzuo Zhang
- School of Agriculture and Food Science, Zhejiang A & F University, 88 Huancheng Road (N), Lin'an 311300, China
| | - Wenjuan Qu
- School of Food and Biological Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; Jiangsu Provincial Research Center of Bio-process and Separation Engineering of Agri-products, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China; Key Laboratory for Physical Processing of Agricultural Products, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Xiaoxu Zhang
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, China
| | - Wei Xia
- College of Animal Science, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, 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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Solanum lyratum Extracts Induce Extrinsic and Intrinsic Pathways of Apoptosis in WEHI-3 Murine Leukemia Cells and Inhibit Allograft Tumor. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2012; 2012:254960. [PMID: 22611426 PMCID: PMC3352350 DOI: 10.1155/2012/254960] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2011] [Revised: 01/08/2012] [Accepted: 02/16/2012] [Indexed: 12/15/2022]
Abstract
We investigated the molecular mechanisms of cell cycle arrest and apoptotic death induced by Solanum lyratum extracts (SLE) or diosgenin in WEHI-3 murine leukemia cells in vitro and antitumor activity in vivo. Diosgenin is one of the components of SLE. Our study showed that SLE and diosgenin decreased the viable WEHI-3 cells and induced G0/G1 phase arrest and apoptosis in concentration- or time-dependent manners. Both reagents increased the levels of ROS production and decreased the mitochondrial membrane potential (ΔΨm). SLE- and diosgenin-triggered apoptosis is mediated through modulating the extrinsic and intrinsic signaling pathways. Intriguingly, the p53 inhibitor (pifithrin-α), anti-Fas ligand (FasL) mAb, and specific inhibitors of caspase-8 (z-IETD-fmk), caspase-9 (z-LEHD-fmk), and caspase-3 (z-DEVD-fmk) blocked SLE- and diosgenin-reduced cell viability of WEHI-3 cells. The in vivo study demonstrated that SLE has marked antitumor efficacy against tumors in the WEHI-3 cell allograft model. In conclusion, SLE- and diosgenin-induced G0/G1 phase arrest and triggered extrinsic and intrinsic apoptotic pathways via p53 activation in WEHI-3 cells. SLE also exhibited antitumor activity in vivo. Our findings showed that SLE may be potentially efficacious in the treatment of leukemia in the future.
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Lin KL, Chien CM, Hsieh CY, Tsai PC, Chang LS, Lin SR. Antimetastatic potential of cardiotoxin III involves inactivation of PI3K/Akt and p38 MAPK signaling pathways in human breast cancer MDA-MB-231 cells. Life Sci 2011; 90:54-65. [PMID: 22079475 DOI: 10.1016/j.lfs.2011.10.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2011] [Revised: 08/08/2011] [Accepted: 10/08/2011] [Indexed: 12/16/2022]
Abstract
AIM The aim of this study is to determine whether cardiotoxin III (CTX III) inhibited the metastasis in MDA-MB-231 cells and to further explain its possible mechanisms. MAIN METHODS The MTT assay, wound healing assay, Boyden chamber invasion assay, zymography analysis, reverse transcriptase polymerase chain reaction (RT-PCR), enzyme-linked immunosorbent assay (ELISA), inhibitor assay, and Western blot analysis were used to reveal molecular events of CTX III in this study. KEY FINDINGS During treatment with non-toxic doses of CTX III, not only cell migration and invasion were markedly suppressed but the expression/activity of matrix metalloproteinase-9 (MMP-9) was also significantly and selectively suppressed in a concentration-dependent manner. In addition, CTX III decreased the nuclear protein level of nuclear factor kappa B (NF-κB), and pretreatment with NF-κB inhibitor (PDTC) or IκB protease inhibitor (TPCK) also reduced MMP-9 expression/activity and cell migration. Our biochemical assays indicated that CTX III potently suppressed the phosphorylation of p38 mitogen-activated protein kinase (MAPK), phosphatidylinositide-3-kinase (PI3K) and Akt. Additionally, the treatment of inhibitors specific for p38 MAPK (SB203580) or PI3K (wortmannin) to cells could result in a reduced expression of NF-κB and MMP-9 expression, concomitantly with an inhibition on cell metastasis. SIGNIFICANCE These results demonstrated that CTX III inhibition of MDA-MB-231 cells may occur through inactivation of both PI3K/Akt and p38 MAPK signaling pathways, exerting inhibitory effects on NF-κB transcriptional factor, thereby decreasing the activity of MMP-9 and then posing an anti-metastatic effect in the cells.
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Affiliation(s)
- Kuei-Li Lin
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan, ROC
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Huang GJ, Deng JS, Huang SS, Hu ML. Hispolon induces apoptosis and cell cycle arrest of human hepatocellular carcinoma Hep3B cells by modulating ERK phosphorylation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2011; 59:7104-13. [PMID: 21630638 DOI: 10.1021/jf201289e] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Hispolon is an active phenolic compound of Phellinus igniarius , a mushroom that has recently been shown to have antioxidant, anti-inflammatory, and anticancer activities. This study investigated the antiproliferative effect of hispolon on human hepatocellular carcinoma Hep3B cells by using the MTT assay, DNA fragmentation, DAPI (4,6-diamidino-2-phenylindole dihydrochloride) staining, and flow cytometric analyses. Hispolon inhibited cellular growth of Hep3B cells in a time-dependent and dose-dependent manner, through the induction of cell cycle arrest at S phase measured using flow cytometric analysis and apoptotic cell death, as demonstrated by DNA laddering. Hispolon-induced S-phase arrest was associated with a marked decrease in the protein expression of cyclins A and E and cyclin-dependent kinase (CDK) 2, with concomitant induction of p21waf1/Cip1 and p27Kip1. Exposure of Hep3B cells to hispolon resulted in apoptosis as evidenced by caspase activation, PARP cleavage, and DNA fragmentation. Hispolon treatment also activated JNK, p38 MAPK, and ERK expression. Inhibitors of ERK (PB98095), but not those of JNK (SP600125) and p38 MAPK (SB203580), suppressed hispolon-induced S-phase arrest and apoptosis in Hep3B cells. These findings establish a mechanistic link between the MAPK pathway and hispolon-induced cell cycle arrest and apoptosis in Hep3B cells.
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de Melo Alves Paiva R, de Freitas Figueiredo R, Antonucci GA, Paiva HH, de Lourdes Pires Bianchi M, Rodrigues KC, Lucarini R, Caetano RC, Linhari Rodrigues Pietro RC, Gomes Martins CH, de Albuquerque S, Sampaio SV. Cell cycle arrest evidence, parasiticidal and bactericidal properties induced by l-amino acid oxidase from Bothrops atrox snake venom. Biochimie 2011; 93:941-7. [DOI: 10.1016/j.biochi.2011.01.009] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2010] [Accepted: 01/20/2011] [Indexed: 10/18/2022]
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Taiwan cobra cardiotoxin III inhibits Src kinase leading to apoptosis and cell cycle arrest of oral squamous cell carcinoma Ca9-22 cells. Toxicon 2010; 56:508-20. [DOI: 10.1016/j.toxicon.2010.05.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2010] [Revised: 05/05/2010] [Accepted: 05/07/2010] [Indexed: 11/22/2022]
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32
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Hu XZ, Hu DC. Effects of perfluorooctanoate and perfluorooctane sulfonate exposure on hepatoma Hep G2 cells. Arch Toxicol 2009; 83:851-61. [DOI: 10.1007/s00204-009-0441-z] [Citation(s) in RCA: 110] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2009] [Accepted: 05/12/2009] [Indexed: 01/19/2023]
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