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Valleti P, Kumar V, Ramayanam PK, Gopalappa R, Vijendra Dittekoppa P, CM A, Sillanpaa M, Al-Farraj S. Multifaceted Anticancer Potential of Gnidia glauca (Fresen.) Gilg Leaf Alkaloids: Impact on Multiple Cellular Targets. ACS OMEGA 2024; 9:9615-9624. [PMID: 38434881 PMCID: PMC10905703 DOI: 10.1021/acsomega.3c09578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/13/2024] [Accepted: 01/19/2024] [Indexed: 03/05/2024]
Abstract
Gnidia glauca (Fresen.) Gilg has demonstrated significant anticancer potential through multiple mechanisms, including apoptosis induction, as shown by the TUNEL assay against MCF-7 cells, modulation of tubulin polymerization, preservation of mitochondrial function indicated by the JC-1 assay, and inhibition of DNA polymerase α and β activities. Rationale for the present study is to investigate the potential anticancer properties of G. glauca leaf alkaloid extract. Fresh and healthy G. glauca leaves were cleaned, shade-dried, and the powder was defatted, extracted with 10% acetic acid in ethanol, and subjected for alkaloid extraction. The partially purified G. glauca leaf alkaloid extract was evaluated for its effects on tubulin polymerization, DNA polymerase activity, mitochondrial membrane potential, and apoptosis studies using human breast cancer (MCF-7) cells by flow cytometry. The extract was found to affect microtubule assembly in a concentration-dependent manner (15.125-250 μg/mL), indicating presence of alkaloids that function as spindle poison agents. Leaf alkaloid extract of G. glauca was also found to affect the mitochondrial membrane potential with IC50 value 144.51 μg/mL, and inhibited DNA polymerase α and β activities dose dependently, thus potentially interfering with DNA replication and repair processes. Leaf alkaloid extract also showed the potential to induce DNA damage of 53.6%, albeit somewhat less than the standard drug camptothecin (64.94%) as confirmed by the TUNEL assay. Additionally, the GgLAE (IC50 144.51 μg/mL) showed significant inhibition of MCF-7 cells proliferation after 24 h, revealing phase arrests in sub G0/G1, S, and G2/M. These findings suggest that G. glauca leaf alkaloid extract contains alkaloids that possess anticancer properties with multiple targets, making the plant a natural source for a promising phytochemical drug candidates for further evaluation in pre-clinical and clinical studies. Further investigations are warranted to determine the efficacy, safety, identification and characterization of the alkaloids, and evaluate and determine their potential applications in cancer therapy.
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Affiliation(s)
- Poorna
Vivek Valleti
- Department
of Studies in Biochemistry, Davangere University, Shivagangothri Davangere 577007, Karnataka, India
| | - Vadlapudi Kumar
- Department
of Studies in Biochemistry, Davangere University, Shivagangothri Davangere 577007, Karnataka, India
| | - Pradeep Kumar Ramayanam
- Department
of Studies in Biochemistry, Davangere University, Shivagangothri Davangere 577007, Karnataka, India
| | - Ranjitha Gopalappa
- Department
of Studies in Biochemistry, Davangere University, Shivagangothri Davangere 577007, Karnataka, India
| | - Poornima Vijendra Dittekoppa
- Department
of Studies in Food Technology, Davangere
University, Shivagangothri
Davangere 577007, Karnataka, India
| | - Anuradha CM
- Department
of Biotechnology, Sri Krishnadevaraya University, S.V. Puramu Ananthapuramu 515003, Andhra Pradesh, India
| | - Mika Sillanpaa
- Adnan
Kassar School of Business, Lebanese American
University, Beirut 1102 2801, Lebanon
| | - Saleh Al-Farraj
- Department
of Zoology, College of Science, King Saud
University, Riyadh 11451, Saudi Arabia
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Yang L, Kong W, Yang W, Li D, Zhao S, Wu Y, Zheng S. High D-arabitol production with osmotic pressure control fed-batch fermentation by Yarrowia lipolytica and proteomic analysis under nitrogen source perturbation. Enzyme Microb Technol 2021; 152:109936. [PMID: 34715526 DOI: 10.1016/j.enzmictec.2021.109936] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/25/2021] [Accepted: 10/14/2021] [Indexed: 01/04/2023]
Abstract
D-arabitol, a five-carbon sugar alcohol, is widely used in food and pharmacy industry as a lower calorie sweetener or intermediate. Appropriate osmotic pressure was confirmed to facilitate polyol production by an osmophilic yeast strain of Yarrowia lipolytica with glycerol. In this study, an osmotic pressure control fed-batch fermentation strategy was used for high D-arabitol producing by Y. lipolytica ARA9 with crude glycerol. Glycerol was added to the broth quantitatively not only as a substrate but also as an osmotic agent. Meanwhile, NH3·H2O was fed as a nitrogen source and pH regulator. The maximum D-arabitol production reached 118.5 g/L at 108 h with the yield of 0.49 g/g and productivity of 1.10 g/L/h, respectively. Furthermore, a comparative proteomic analysis was used to study the cellular responses under excess and deficient nitrogen sources. Thirty-one differentially expressed protein spots belonging to seven different biological processes were identified. Excess nitrogen source enhanced gluconeogenesis and pentose phosphate pathways, both of which were involved in arabitol synthesis. In addition, cell growth was facilitated by increased expression of nucleotide and structural proteins. Enhanced energy and NADPH biosynthesis were employed to create a reductive environment and quell reactive oxygen species, improving D-arabitol production. Nitrogen deficiency resulted in cell rescue and stress response mechanisms such as reactive oxygen species elimination and heat shock protein response. The identified differentially expressed proteins provide information to reveal the mechanisms of the cellular responses under nitrogen source perturbation, and also provide guidance to improve D-arabitol production in metabolic engineering or process optimization methodologies.
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Affiliation(s)
- LiBo Yang
- College of Landscape and Ecological Engineering, Hebei University of Engineering, 19 Taiji Road, Handan, Hebei 056038, China
| | - Wei Kong
- The First Department of General Surgery, Handan Central Hospital, 59 Congtai North Road, Handan, Hebei 056002, China
| | - Weina Yang
- Handan Blood Center, 18 Dongliu West Road, Handan, Hebei 056001, China
| | - Danpeng Li
- College of Landscape and Ecological Engineering, Hebei University of Engineering, 19 Taiji Road, Handan, Hebei 056038, China
| | - Shuang Zhao
- College of Landscape and Ecological Engineering, Hebei University of Engineering, 19 Taiji Road, Handan, Hebei 056038, China
| | - Yucui Wu
- College of Landscape and Ecological Engineering, Hebei University of Engineering, 19 Taiji Road, Handan, Hebei 056038, China
| | - Suyue Zheng
- College of Landscape and Ecological Engineering, Hebei University of Engineering, 19 Taiji Road, Handan, Hebei 056038, China.
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Massicot F, Messire G, Vallée A, Vasse JL, Py S, Behr JB. Regiospecific formation of sugar-derived ketonitrone towards unconventional C-branched pyrrolizidines and indolizidines. Org Biomol Chem 2019; 17:7066-7077. [DOI: 10.1039/c9ob01419e] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of unprecedented branched pyrrolizidines and indolizidines was accomplished via nitrone chemistry.
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Affiliation(s)
| | - Gatien Messire
- Univ. Reims Champagne-Ardenne
- ICMR
- 51687 Reims Cedex 2
- France
| | - Alexis Vallée
- Univ. Reims Champagne-Ardenne
- ICMR
- 51687 Reims Cedex 2
- France
| | - Jean-Luc Vasse
- Univ. Reims Champagne-Ardenne
- ICMR
- 51687 Reims Cedex 2
- France
| | - Sandrine Py
- Univ. Grenoble Alpes
- DCM
- F-38000 Grenoble
- France
- CNRS
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Liu XC, Lai D, Liu QZ, Zhou L, Liu Q, Liu ZL. Bioactivities of a New Pyrrolidine Alkaloid from the Root Barks of Orixa japonica. Molecules 2016; 21:molecules21121665. [PMID: 27918451 PMCID: PMC6273699 DOI: 10.3390/molecules21121665] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2016] [Revised: 11/23/2016] [Accepted: 11/29/2016] [Indexed: 11/25/2022] Open
Abstract
A new pyrrolidine alkaloid named (Z)-3-(4-hydroxybenzylidene)-4-(4-hydroxyphenyl)-1-methylpyrrolidin-2-one was isolated from the ethanol extract of the root barks of Orixa japonica. The structure of the new alkaloid was elucidated on the basis of NMR and MS analysis. The compound exhibited larvicidal activity against the fourth instar larvae of Aedes aegypti (LC50 = 232.09 μg/mL), Anopheles sinensis (LC50 = 49.91 μg/mL), and Culex pipiens pallens (LC50 = 161.10 μg/mL). The new alkaloid also possessed nematicidal activity against Bursaphelenchus xylophilus (LC50 = 391.50 μg/mL) and Meloidogynein congnita (LC50 = 134.51 μg/mL). The results indicate that the crude ethanol extract of O. japonica root barks and its isolated pyrrolidine alkaloid have potential for development into natural larvicides and nematicides.
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Affiliation(s)
- Xin Chao Liu
- Department of Entomology, China Agricultural University, Haidian District, Beijing 100193, China.
| | - Daowan Lai
- Department of Plant Pathology, China Agricultural University, Haidian District, Beijing 100193, China.
| | - Qi Zhi Liu
- Department of Entomology, China Agricultural University, Haidian District, Beijing 100193, China.
| | - Ligang Zhou
- Department of Plant Pathology, China Agricultural University, Haidian District, Beijing 100193, China.
| | - Qiyong Liu
- State Key Laboratory of Infectious Disease Prevention and Control, Collaborative Innovation Center of Diagnosis and Treatment of Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China.
| | - Zhi Long Liu
- Department of Entomology, China Agricultural University, Haidian District, Beijing 100193, China.
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Robina I, Steimer F, T. Carmona A, J. Moreno-Vargas A, Caffa I, Montecucco F, Nencioni A, Vogel P. Synthesis of Pyrrolidine 3,4-Diol Derivatives with Anticancer Activity on Pancreatic Tumor Cells. HETEROCYCLES 2014. [DOI: 10.3987/com-13-s(s)111] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Choi HG, Park DS, Lee WK, Sim T. An efficient synthesis of 1,4-dideoxy-1,4-imino-d- and l-arabinitol and 1,4-dideoxy-1,4-imino-d- and l-xylitol from chiral aziridines. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.08.040] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Convenient Synthesis of 1,4-Dideoxy-1,4-imino-D-ribitol from D-Ribose. J CHEM-NY 2013. [DOI: 10.1155/2013/519415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
This paper describes a convenient synthesis of 1,4-dideoxy-1,4-imino-D-ribitol (DRB) from D-ribose. L-Lyxonolactone, a key intermediate in this synthesis, was prepared by base-promoted hydrolysis of a 5-chlorinated D-ribonolactone derivative with inversion of configuration at the C-4 position. Cyclization of the generated dimesylated L-lyxitol with benzylamine proceeded with another configurational inversion at C-4 to afford the D-ribo-configured pyrrolidine system, which upon deprotection gave DRB.
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Barakat KH, Gajewski MM, Tuszynski JA. DNA polymerase beta (pol β) inhibitors: a comprehensive overview. Drug Discov Today 2012; 17:913-20. [PMID: 22561893 DOI: 10.1016/j.drudis.2012.04.008] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2012] [Revised: 03/19/2012] [Accepted: 04/19/2012] [Indexed: 11/25/2022]
Abstract
Base excision repair (BER) is the fundamental pathway responsible for the elimination of damaged DNA bases and repair of DNA single-strand breaks generated spontaneously or produced by DNA-damaging agents. Among the essential enzymes that are required to achieve the BER reaction is DNA polymerase beta (pol β), which has been regarded as a potential therapeutic target. More than 60 pol β-inhibitors have been identified so far; however, most of them are either not potent or not specific enough to become a drug. In this article we compile an essential knowledge base regarding the structures, the modes of inhibition and the activities of these pharmacologically interesting molecules.
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Affiliation(s)
- Khaled H Barakat
- Department of Physics, University of Alberta, Edmonton, AB, Canada.
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Anti-cancer activity of 5-O-alkyl 1,4-imino-1,4-dideoxyribitols. Bioorg Med Chem 2011; 19:7720-7. [PMID: 22079865 DOI: 10.1016/j.bmc.2011.07.053] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2011] [Revised: 07/21/2011] [Accepted: 07/23/2011] [Indexed: 11/24/2022]
Abstract
New derivatives of 1,4-dideoxy-1,4-imino-D-ribitol have been prepared and evaluated for their cytotoxicity on solid and haematological malignancies. 1,4-Dideoxy-5-O-[(9Z)-octadec-9-en-1-yl]-1,4-imino-D-ribitol (13, IC(50) ∼2 μM) and its C(18)-analogues (IC(50) <10 μM) are cytotoxic toward SKBR3 (breast cancer) cells. 13 also inhibits (IC(50) ∼8 μM) growth of JURKAT cells.
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Delso I, Tejero T, Goti A, Merino P. Synthesis of d-arabinose-derived polyhydroxylated pyrrolidine, indolizidine and pyrrolizidine alkaloids. Total synthesis of hyacinthacine A2. Tetrahedron 2010. [DOI: 10.1016/j.tet.2009.12.030] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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Affiliation(s)
- Stefan Biastoff
- Institute of Pharmacy, Martin Luther University Halle-Wittenberg, 06120 Halle/Saale, Germany
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Otero JM, Soengas RG, Estévez JC, Estévez RJ, Watkin DJ, Evinson EL, Nash RJ, Fleet GWJ. Preliminary Studies on the Transformation of Nitrosugars into Branched Chain Iminosugars: Synthesis of 1,4-Dideoxy-4-C-hydroxymethyl- 1,4-imino-pentanols. Org Lett 2007; 9:623-6. [PMID: 17286369 DOI: 10.1021/ol062887v] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel promising strategy for the transformation of nitrosugars into branched pyrrolidines, based on double Henry reaction with formaldehyde followed by reductive ring closure, allowed the first enantiospecific synthesis of a 4-C-hydroxymethyl branched derivative of the well-known glycosidase inhibitor 1,4-dideoxy-1,4-imino-pentanol. This strategy also afforded a new route to some other interesting derivatives, such as N-hydroxy, N-propyloxy, and imino derivatives, a new kind of compounds with promising biological properties. [reaction: see text].
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Affiliation(s)
- José M Otero
- Departamento de Química OrgAnica, Universidade de Santiago, 15782 Santiago de Compostela, Spain
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Murruzzu C, Riera A. Enantioselective synthesis of hydroxylated pyrrolidines via Sharpless epoxidation and olefin metathesis. ACTA ACUST UNITED AC 2007. [DOI: 10.1016/j.tetasy.2006.12.023] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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16
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Oshige M, Takenouchi M, Kato Y, Kamisuki S, Takeuchi T, Kuramochi K, Shiina I, Suenaga Y, Kawakita YI, Kuroda K, Sato N, Kobayashi S, Sugawara F, Sakaguchi K. Taxol derivatives are selective inhibitors of DNA polymerase alpha. Bioorg Med Chem 2004; 12:2597-601. [PMID: 15110841 DOI: 10.1016/j.bmc.2004.03.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2003] [Revised: 03/10/2004] [Accepted: 03/11/2004] [Indexed: 11/25/2022]
Abstract
During screening for mammalian DNA polymerase inhibitors, we found and succeeded in isolating a potent inhibitor from a higher plant, Taxus cuspidate. The compound was unexpectedly determined to be taxinine, an intermediate of paclitaxel (taxol) metabolism. Taxinine was found to selectively inhibit DNA polymerase alpha (pol.alpha) and beta (pol.beta). We therefore, tested taxol and other derivatives and found that taxol itself had no such inhibitory effect, and only taxinine could inhibit both pol.alpha and beta. The other compounds used, one derivative, cephalomannine, and five intermediates synthesized chemically inhibited only the pol.alpha activity in vitro. None of the compounds, including taxinine, influenced the activities of the other DNA polymerases, which are reportedly targeted by many pol.beta inhibitors. With both pol.alpha and beta, all of the compounds tested noncompetitively inhibited with respect to both the DNA template-primer and the dNTP substrate.
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Affiliation(s)
- Masahiko Oshige
- Frontier Research Center for Genome & Drug Discovery, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba 278-8510, Japan
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Affiliation(s)
- Birgit Dräger
- Institute of Pharmaceutical Biology, Faculty of Pharmacy, Martin-Luther-University Halle-Wittenberg, D-06120 Halle, Germany.
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Lombardo M, Licciulli S, Trombini C. Indium-mediated coupling of 3-bromopropenyl acetate with (S)-Garner aldehyde: a route to 1,4-dideoxy-1,4-l-iminoribitol. Tetrahedron Lett 2003. [DOI: 10.1016/j.tetlet.2003.10.050] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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