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Pathanraj D, Choowongkomon K, Roytrakul S, Yokthongwattana C. Structural Distinctive 26SK, a Ribosome-Inactivating Protein from Jatropha curcas and Its Biological Activities. Appl Biochem Biotechnol 2021; 193:3877-3897. [PMID: 34669111 DOI: 10.1007/s12010-021-03714-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 10/08/2021] [Indexed: 11/28/2022]
Abstract
Ribosome-inactivating proteins (RIPs) are a group of proteins exhibiting N-glycosidase activity leading to an inactivation of protein synthesis. Thirteen predicted Jatropha curcas RIP sequences could be grouped into RIP types 1 or 2. The expression of the RIP genes was detected in seed kernels, seed coats, and leaves. The full-length cDNA of two RIP genes (26SK and 34.7(A)SK) were cloned and studied. The 34.7(A)SK protein was successfully expressed in the host cells while it was difficult to produce even only a small amount of the 26SK protein. Therefore, the crude proteins were used from E. coli expressing 26SK and 34.7(A)SK constructs and they showed RIP activity. Only the cell lysate from 26SK could inhibit the growth of E. coli. In addition, the crude protein extracted from 26SK expressing cells displayed the effect on the growth of MDA-MB-231, a human breast cancer cell line. Based on in silico analysis, all 13 J. curcas RIPs contained RNA and ribosomal P2 stalk protein binding sites; however, the C-terminal region of the P2 stalk binding site was lacking in the 26SK structure. In addition, an amphipathic distribution between positive and negative potential was observed only in the 26SK protein, similar to that found in the anti-microbial peptide. These findings suggested that this 26SK protein structure might have contributed to its toxicity, suggesting potential uses against pathogenic bacteria in the future.
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Affiliation(s)
- Danulada Pathanraj
- Interdisciplinary Program in Genetic Engineering, Graduate School, Kasetsart University, 50 Ngamwongwan Rd., Bangkok, 10900, Thailand
| | - Kiattawee Choowongkomon
- Department of Biochemistry, Faculty of Science, Kasetsart University, 50 Ngamwongwan Rd., Bangkok, 10900, Thailand
| | - Sittiruk Roytrakul
- Functional Ingredients and Food Innovation Research Group, National Center for Genetic Engineering and Biotechnology, Pathum Thani, 12120, Thailand
| | - Chotika Yokthongwattana
- Department of Biochemistry, Faculty of Science, Kasetsart University, 50 Ngamwongwan Rd., Bangkok, 10900, Thailand.
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Gu K, Tian D, Mao H, Wu L, Yin Z. Development of marker-free transgenic Jatropha curcas producing curcin-deficient seeds through endosperm-specific RNAi-mediated gene silencing. BMC PLANT BIOLOGY 2015; 15:242. [PMID: 26450182 PMCID: PMC4599812 DOI: 10.1186/s12870-015-0625-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 09/22/2015] [Indexed: 05/04/2023]
Abstract
BACKGROUND Jatropha curcas L. is a potential biofuel plant and its seed oil is suitable for biodiesel production. Despite this promising application, jatropha seeds contain two major toxic components, namely phorbol esters and curcins. These compounds would reduce commercial value of seed cake and raise safety and environment concerns on jatropha plantation and processing. Curcins are Type I ribosome inactivating proteins. Several curcin genes have been identified in the jatropha genome. Among which, the Curcin 1 (C1) gene is identified to be specifically expressed in endosperm, whereas the Curcin 2A (C2A) is mainly expressed in young leaves. RESULTS A marker-free RNAi construct carrying a β-estradiol-regulated Cre/loxP system and a C1 promoter-driven RNAi cassette for C1 gene was made and used to generate marker-free transgenic RNAi plants to specifically silence the C1 gene in the endosperm of J. curcas. Plants of transgenic line L1, derived from T0-1, carry two copies of marker-free RNAi cassette, whereas plants of L35, derived from T0-35, harbored one copy of marker-free RNAi cassette and three copies of closely linked and yet truncated Hpt genes. The C1 protein content in endosperm of L1 and L35 seeds was greatly reduced or undetectable, while the C2A proteins in young leaves of T0-1 and T0-35 plants were unaffected. In addition, the C1 mRNA transcripts were undetectable in the endosperm of T3 seeds of L1 and L35. The results demonstrated that the expression of the C1 gene was specifically down-regulated or silenced by the double-stranded RNA-mediated RNA interference generated from the RNAi cassette. CONCLUSION The C1 promoter-driven RNAi cassette for the C1 gene in transgenic plants was functional and heritable. Both C1 transcripts and C1 proteins were greatly down-regulated or silenced in the endosperm of transgenic J. curcas. The marker-free transgenic plants and curcin-deficient seeds developed in this study provided a solution for the toxicity of curcins in jatropha seeds and addressed the safety concerns of the marker genes in transgenic plants on the environments.
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Affiliation(s)
- Keyu Gu
- Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, Singapore, 117604, Republic of Singapore.
| | - Dongsheng Tian
- Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, Singapore, 117604, Republic of Singapore.
| | - Huizhu Mao
- Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, Singapore, 117604, Republic of Singapore.
| | - Lifang Wu
- Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, Singapore, 117604, Republic of Singapore.
- Present address: Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, Anhui, China.
| | - Zhongchao Yin
- Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, Singapore, 117604, Republic of Singapore.
- Department of Biological Sciences, National University of Singapore, 14 Science Drive, Singapore, 117543, Republic of Singapore.
- School of Biological Sciences, Nanyang Technological University, 60 Nanyang Drive, Singapore, 637551, Republic of Singapore.
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Zeng M, Zheng M, Lu D, Wang J, Jiang W, Sha O. Anti-tumor activities and apoptotic mechanism of ribosome-inactivating proteins. CHINESE JOURNAL OF CANCER 2015; 34:325-34. [PMID: 26184404 PMCID: PMC4593346 DOI: 10.1186/s40880-015-0030-x] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2015] [Accepted: 04/14/2015] [Indexed: 01/22/2023]
Abstract
Ribosome-inactivating proteins (RIPs) belong to a family of enzymes that attack eukaryotic ribosomes and potently inhibit cellular protein synthesis. RIPs possess several biomedical properties, including anti-viral and anti-tumor activities. Multiple RIPs are known to inhibit tumor cell proliferation through inducing apoptosis in a variety of cancers, such as breast cancer, leukemia/lymphoma, and hepatoma. This review focuses on the anti-tumor activities of RIPs and their apoptotic effects through three closely related pathways: mitochondrial, death receptor, and endoplasmic reticulum pathways.
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Affiliation(s)
- Meiqi Zeng
- School of Medicine, Shenzhen University Health Science Center, Shenzhen, 518060, Guangdong, People's Republic of China.
| | - Manyin Zheng
- School of Medicine, Shenzhen University Health Science Center, Shenzhen, 518060, Guangdong, People's Republic of China.
| | - Desheng Lu
- School of Medicine, Shenzhen University Health Science Center, Shenzhen, 518060, Guangdong, People's Republic of China.
| | - Jun Wang
- School of Medicine, Shenzhen University Health Science Center, Shenzhen, 518060, Guangdong, People's Republic of China.
| | - Wenqi Jiang
- School of Medicine, Shenzhen University Health Science Center, Shenzhen, 518060, Guangdong, People's Republic of China.
- School of Medicine, Shenzhen University, Shenzhen, 518060, Guangdong, People's Republic of China.
- State Key Laboratory of Oncology in South China, Guangzhou, Guangdong, 510060, People's Republic of China.
- Collaborative Innovation Center of Cancer Medicine, Guangzhou, 510060, Guangdong, People's Republic of China.
| | - Ou Sha
- School of Medicine, Shenzhen University Health Science Center, Shenzhen, 518060, Guangdong, People's Republic of China.
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Mohamed MS, Veeranarayanan S, Minegishi H, Sakamoto Y, Shimane Y, Nagaoka Y, Aki A, Poulose AC, Echigo A, Yoshida Y, Maekawa T, Kumar DS. Cytological and Subcellular Response of Cells Exposed to the Type-1 RIP Curcin and its Hemocompatibility Analysis. Sci Rep 2014. [DOI: 10.1038/srep05747] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
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Type 1 ribotoxin-curcin conjugated biogenic gold nanoparticles for a multimodal therapeutic approach towards brain cancer. Biochim Biophys Acta Gen Subj 2014; 1840:1657-69. [DOI: 10.1016/j.bbagen.2013.12.020] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Revised: 10/31/2013] [Accepted: 12/16/2013] [Indexed: 01/02/2023]
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Maghuly F, Laimer M. Jatropha curcas, a biofuel crop: functional genomics for understanding metabolic pathways and genetic improvement. Biotechnol J 2014; 8:1172-82. [PMID: 24092674 PMCID: PMC4065342 DOI: 10.1002/biot.201300231] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2013] [Revised: 07/30/2013] [Accepted: 09/06/2013] [Indexed: 12/18/2022]
Abstract
Jatropha curcas is currently attracting much attention as an oilseed crop for biofuel, as Jatropha can grow under climate and soil conditions that are unsuitable for food production. However, little is known about Jatropha, and there are a number of challenges to be overcome. In fact, Jatropha has not really been domesticated; most of the Jatropha accessions are toxic, which renders the seedcake unsuitable for use as animal feed. The seeds of Jatropha contain high levels of polyunsaturated fatty acids, which negatively impact the biofuel quality. Fruiting of Jatropha is fairly continuous, thus increasing costs of harvesting. Therefore, before starting any improvement program using conventional or molecular breeding techniques, understanding gene function and the genome scale of Jatropha are prerequisites. This review presents currently available and relevant information on the latest technologies (genomics, transcriptomics, proteomics and metabolomics) to decipher important metabolic pathways within Jatropha, such as oil and toxin synthesis. Further, it discusses future directions for biotechnological approaches in Jatropha breeding and improvement.
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Affiliation(s)
- Fatemeh Maghuly
- Plant Biotechnology Unit, Department of Biotechnology, BOKU-VIBT, University of Natural Resources and Life Sciences, Vienna, Austria
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Zhao Q, Wang W, Wang Y, Xu Y, Chen F. The effect of curcin from Jatropha curcas on apoptosis of mouse sarcoma-180 cells. Fitoterapia 2012; 83:849-52. [PMID: 22445551 DOI: 10.1016/j.fitote.2012.03.005] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2011] [Revised: 02/29/2012] [Accepted: 03/05/2012] [Indexed: 10/28/2022]
Abstract
Curcin is a ribosome-inactivating protein expressed in the endosperm of Jatropha curcas. Curcin can inhibit growth of mouse sarcoma-180 cells. At a curcin concentration of 100 μg/ml, mouse sarcoma-180 cell growth was inhibited by over 40% after seven days of incubation. Acridine orange staining and flow cytometry analysis also showed that the curcin could induce apoptosis of mouse sarcoma-180 cells. These observations provide a possible explanation for the anti-tumor properties of curcin.
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Affiliation(s)
- Qi Zhao
- Faculty of Biotechnology Industry, Chengdu University, Chengdu, PR China
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Sato S, Hirakawa H, Isobe S, Fukai E, Watanabe A, Kato M, Kawashima K, Minami C, Muraki A, Nakazaki N, Takahashi C, Nakayama S, Kishida Y, Kohara M, Yamada M, Tsuruoka H, Sasamoto S, Tabata S, Aizu T, Toyoda A, Shin-i T, Minakuchi Y, Kohara Y, Fujiyama A, Tsuchimoto S, Kajiyama S, Makigano E, Ohmido N, Shibagaki N, Cartagena JA, Wada N, Kohinata T, Atefeh A, Yuasa S, Matsunaga S, Fukui K. Sequence analysis of the genome of an oil-bearing tree, Jatropha curcas L. DNA Res 2010; 18:65-76. [PMID: 21149391 PMCID: PMC3041505 DOI: 10.1093/dnares/dsq030] [Citation(s) in RCA: 247] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
The whole genome of Jatropha curcas was sequenced, using a combination of the conventional Sanger method and new-generation multiplex sequencing methods. Total length of the non-redundant sequences thus obtained was 285 858 490 bp consisting of 120 586 contigs and 29 831 singlets. They accounted for ~95% of the gene-containing regions with the average G + C content was 34.3%. A total of 40 929 complete and partial structures of protein encoding genes have been deduced. Comparison with genes of other plant species indicated that 1529 (4%) of the putative protein-encoding genes are specific to the Euphorbiaceae family. A high degree of microsynteny was observed with the genome of castor bean and, to a lesser extent, with those of soybean and Arabidopsis thaliana. In parallel with genome sequencing, cDNAs derived from leaf and callus tissues were subjected to pyrosequencing, and a total of 21 225 unigene data have been generated. Polymorphism analysis using microsatellite markers developed from the genomic sequence data obtained was performed with 12 J. curcas lines collected from various parts of the world to estimate their genetic diversity. The genomic sequence and accompanying information presented here are expected to serve as valuable resources for the acceleration of fundamental and applied research with J. curcas, especially in the fields of environment-related research such as biofuel production. Further information on the genomic sequences and DNA markers is available at http://www.kazusa.or.jp/jatropha/.
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Affiliation(s)
- Shusei Sato
- Kazusa DNA Research Institute, 2-6-7 Kazusa-kamatari, Kisarazu, Chiba, Japan
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Devappa RK, Makkar HPS, Becker K. Jatropha toxicity--a review. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2010; 13:476-507. [PMID: 20711929 DOI: 10.1080/10937404.2010.499736] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Jatropha is a nonedible oil seed plant belonging to Euphorbiaceae family. Global awareness of sustainable and alternative energy resources has propelled research on Jatropha oil as a feedstock for biodiesel production. During the past two decades, several cultivation projects were undertaken to produce Jatropha oil. In future, the increased cultivation of toxic Jatropha plants and utilization of its agro-industrial by-products may raise the frequency of contact with humans, animals, and other organisms. An attempt was thus made to present known information on toxicity of Jatropha plants. The toxicity of Jatropha plant extracts from fruit, seed, oil, roots, latex, bark, and leaf to a number of species, from microorganisms to higher animals, is well established. Broadly, these extracts possess moluscicidal, piscicidal, insecticidal, rodenticidal, antimicrobial, and cytotoxic properties, and exert adverse effects on animals including rats, poultry, and ruminants. The toxicity attributed to these seeds due to their accidental consumption by children is also well documented. An attempt was also made to identify areas that need further study. The information provided in this review may aid in enhancing awareness in agroindustries involved in the cultivation, harvesting, and utilization of Jatropha plants and its products with respect to the potential toxicity of Jatropha, and consequently in application and enforcement of occupational safety measures. Data on the wide range of bioactivities of Jatropha and its products were collated and it is hoped will create new avenues for exploiting these chemicals by the phamaceutical industry to develop chemotherapeutic agents.
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Affiliation(s)
- Rakshit K Devappa
- Institute for Animal Production in the Tropics and Subtropics, University of Hohenheim, Stuttgart, Germany
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Liu L, Wang R, He W, He F, Huang G. Cloning and soluble expression of mature alpha-luffin from Luffa cylindrica and its antitumor activities in vitro. Acta Biochim Biophys Sin (Shanghai) 2010; 42:585-92. [PMID: 20705600 DOI: 10.1093/abbs/gmq056] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Luffin-a, a single-chain Type I ribosome-inactivating protein, which is known to be the most toxic of the luffin family and apparently possesses antitumor activity, was isolated from Luffa cylindrica seeds. In the present study, mature alpha-luffin was cloned from L. cylindrica and it was found that mature alpha-luffin shared 96% amino acid similarity with luffin-a. The recombinant mature alpha-luffin was successfully expressed in a partly soluble form in Escherichia coli after optimization of expression conditions. The effects of the recombinant protein on bacterial growth and its in vitro protein synthesis inhibition activity were tested. Then, its antitumor activities against different human cancer cell lines were evaluated by CCK-8 assay and flow cytometry. The results indicated that the recombinant alpha-luffin was slightly toxic to E. coli. It could inhibit protein synthesis in the rabbit reticulocyte lysate system. At the same time, it inhibited the growth of the tumor cell lines in a dose- and time-dependent manner. Additionally, recombinant alpha-luffin was able to induce cell death by apoptosis. The cytotoxicity of alpha-luffin towards tumor cells makes it a potential antitumor agent.
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Affiliation(s)
- Liling Liu
- Department of Dermatology, Xinqiao Hospital, Third Military Medical University, Chongqing, China
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An improved method for RNA isolation and cDNA library construction from immature seeds of Jatropha curcas L. BMC Res Notes 2010; 3:126. [PMID: 20444276 PMCID: PMC2874567 DOI: 10.1186/1756-0500-3-126] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2009] [Accepted: 05/05/2010] [Indexed: 11/24/2022] Open
Abstract
Background RNA quality and quantity is sometimes unsuitable for cDNA library construction, from plant seeds rich in oil, polysaccharides and other secondary metabolites. Seeds of jatropha (Jatropha curcas L.) are rich in fatty acids/lipids, storage proteins, polysaccharides, and a number of other secondary metabolites that could either bind and/or co-precipitate with RNA, making it unsuitable for downstream applications. Existing RNA isolation methods and commercial kits often fail to deliver high-quality total RNA from immature jatropha seeds for poly(A)+ RNA purification and cDNA synthesis. Findings A protocol has been developed for isolating good quality total RNA from immature jatropha seeds, whereby a combination of the CTAB based RNA extraction method and a silica column of a commercial plant RNA extraction kit is used. The extraction time was reduced from two days to about 3 hours and the RNA was suitable for poly(A)+ RNA purification, cDNA synthesis, cDNA library construction, RT-PCR, and Northern hybridization. Based on sequence information from selected clones and amplified PCR product, the cDNA library seems to be a good source of full-length jatropha genes. The method was equally effective for isolating RNA from mustard and rice seeds. Conclusions This is a simple CTAB + silica column method to extract high quality RNA from oil rich immature jatropha seeds that is suitable for several downstream applications. This method takes less time for RNA extraction and is equally effective for other tissues where the quality and quantity of RNA is highly interfered by the presence of fatty acids, polysaccharides and polyphenols.
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Zippel J, Wells T, Hensel A. Arabinogalactan protein from Jatropha curcas L. seeds as TGFβ1-mediated inductor of keratinocyte in vitro differentiation and stimulation of GM-CSF, HGF, KGF and in organotypic skin equivalents. Fitoterapia 2010; 81:772-8. [PMID: 20385211 DOI: 10.1016/j.fitote.2010.04.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2010] [Revised: 03/29/2010] [Accepted: 04/06/2010] [Indexed: 11/19/2022]
Abstract
Arabinogalactan protein JC from Jatropha curcas seed endosperm (mean molecular weight 140 kDa) was isolated by cold water extraction and characterized concerning sugar and amino acid composition. At 10 and 100 µg/mL JC stimulated mitochondrial activity (MTT test) of human skin cells (HaCaT keratinocytes, fibroblasts) and the ATP status of primary keratinocytes. JC did not influence the cellular proliferation, while primary keratinocytes were triggered into differentiation status. Investigations on a potential mode of action of JC were performed on complex organotypic skin equivalents. JC induced the production of HGF, KGF and TGFβ, with TGFβ being the main inductor for the differentiation-inducing effect of JC. Also the expression of GM-CSF was stimulated strongly by JC. This in vitro activity profile indicated JC to be a potent inductor of cellular differentiation via stimulation of growth hormones and TGF-β-induced cell signaling.
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Affiliation(s)
- Janina Zippel
- University of Münster, Institute for Pharmaceutical Biology and Phytochemistry IPBP, Hittorfstraße 56, D-48149 Münster, Germany
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Mendieta JR, Fimognari C, Daleo GR, Hrelia P, Guevara MG. Cytotoxic effect of potato aspartic proteases (StAPs) on Jurkat T cells. Fitoterapia 2009; 81:329-35. [PMID: 19825400 DOI: 10.1016/j.fitote.2009.10.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2009] [Revised: 09/21/2009] [Accepted: 10/05/2009] [Indexed: 11/19/2022]
Abstract
StAPs are potato aspartic proteases with cytotoxic activity against plant pathogens and spermatozoa. StAPs cytotoxic activity is selective, since these proteins do not exert toxic effect on plant cells and erythrocytes. In this work, we investigated the capacity of StAPs to exert cytotoxicity on human leukaemia cells. Obtained results show that StAPs induce apoptosis on Jurkat T cells after a short time of incubation in a dose-dependent manner. However, no significative effect on the T lymphocytes viability was observed at all StAPs incubation times and concentrations tested. These results suggest that StAPs can be conceptually promising leads for cancer therapy.
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Affiliation(s)
- Julieta R Mendieta
- Institute of Biological Research, University of Mar del Plata, Mar del Plata, Argentina
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