1
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Heise NV, Meyer SJ, Csuk R, Mueller T. Dehydroabietylamine-substituted trifluorobenzene sulfonamide rhodamine B hybrids as anticancer agents overcoming drug resistance. Eur J Med Chem 2024; 276:116667. [PMID: 38996651 DOI: 10.1016/j.ejmech.2024.116667] [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: 06/18/2024] [Revised: 07/08/2024] [Accepted: 07/08/2024] [Indexed: 07/14/2024]
Abstract
Attachment of a conjugate assembled from a novel fluorinated carbonic anhydrase inhibitor and rhodamine B onto dehydroabietylamine (DHA) or cyclododecylamine led to first-in-class conjugates of good cytotoxicity; thereby IC50 values (from SRB assays; employed tumor cell lines A2780, A2780Cis, A549, HT29, MCF7, and non-malignant human fibroblasts CCD18Co) between 0.2 and 0.7 μM were found. Both conjugates showed similar cytotoxic activity but the dehydroabietylamine derived conjugate outperformed its cyclododecyl analog in terms of tumor cell/non-tumor cell selectivity. Both conjugates accumulate intracellular, and the DHA conjugate was able to overcome drug resistance which is effective independent of the expression status of carbonic anhydrase IX.
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Affiliation(s)
- Niels V Heise
- Organic Chemistry, Martin-Luther University Halle-Wittenberg, Kurt-Mothes-Str. 2, D-06120, Halle (Saale), Germany
| | - Sven J Meyer
- Organic Chemistry, Martin-Luther University Halle-Wittenberg, Kurt-Mothes-Str. 2, D-06120, Halle (Saale), Germany
| | - René Csuk
- Organic Chemistry, Martin-Luther University Halle-Wittenberg, Kurt-Mothes-Str. 2, D-06120, Halle (Saale), Germany.
| | - Thomas Mueller
- University Clinic for Internal Medicine IV, Hematology/Oncology, Medical Faculty, Martin-Luther-University Halle-Wittenberg, Ernst-Grube-Str. 40, D-06120, Halle (Saale), Germany
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2
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Zhang SG, Wan YQ, Zhang WH. Discovery of Dehydroabietylamine Derivatives as Antibacterial and Antifungal Agents. JOURNAL OF NATURAL PRODUCTS 2024; 87:924-934. [PMID: 38513270 DOI: 10.1021/acs.jnatprod.3c01213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/23/2024]
Abstract
A diverse array of biologically active derivatives was derived by modifying the chemically active sites of dehydroabietylamine. Herein, we describe the synthesis of a new series of C-19-arylated dehydroabietylamine derivatives using a palladium-catalyzed C(sp3)-H activation reaction. Five analogues (3b, 3d, 3h, 3n, and 4a) exhibited antibacterial activity against Escherichia coli. Compound 4a exhibited strong inhibitory activity against DNA Topo II and Topo IV. Molecular docking modeling indicated that it can bind effectively to the target through interactions with amino acid residues. The synthesized compounds were tested in vitro for their antifungal activity against six common phytopathogenic fungi. The mechanism of action of compound 4c against Rhizoctorzia solani was investigated, revealing that it disrupts the morphology of the mycelium and enhances cell membrane permeability.
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Affiliation(s)
- Shu-Guang Zhang
- Jiangsu Key Laboratory of Pesticide, College of Sciences, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
| | - Yu-Qiang Wan
- Jiangsu Key Laboratory of Pesticide, College of Sciences, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
| | - Wei-Hua Zhang
- Jiangsu Key Laboratory of Pesticide, College of Sciences, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
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3
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Kang J, Quynh Le T, Oh CH. Recent advances in abietane/icetexane synthesis. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154133] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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4
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Rosin Derivative IDOAMP Inhibits Prostate Cancer Growth via Activating RIPK1/RIPK3/MLKL Signaling Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:9325973. [PMID: 35965682 PMCID: PMC9371855 DOI: 10.1155/2022/9325973] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 07/25/2022] [Indexed: 12/05/2022]
Abstract
Rosin derivatives such as dehydroabietic acid and dehydroabietic amine belonging to diterpenoids have similar structure with androgen that inhibited the occurrence and development of prostate cancer. In this study, the effects and possible mechanism of the rosin derivative IDOAMP on prostate cancer were investigated. Our results showed that IDOAMP effectively inhibited cell viabilities of LNCaP, PC3, and DU145 prostate cells. After the treatment with IDOAMP, the levels of cleaved-PARP, LC3BII/I, and HMGB1 were increased, whereas the expression of GPX4 was decreased. Interestingly, cell viability was reversed by the supplements of necrostatin-1 and necrosulfonamide. Meanwhile, the IDOAMP downregulated the expression of human Aurora kinase A that was overexpressed in prostate cancer. In addition, co-IP results showed that IDOAMP inhibited the binding of Aurora kinase A to the receptor-interacting serine/threonine kinase 1 (RIPK1) and RIPK3. However, the binding of RIPK1 to FADD, RIPK3, or MLKL was significantly promoted. Further studies showed that the phosphorylation levels of RIPK1, RIPK, and MLKL were increased in a concentration-dependent manner. In in vivo model, IDOAMP reduced the tumor volumes and weights. In conclusion, IDOAMP directly inhibited Aurora kinase A and promoted the RIPK1/RIPK3/MLKL necrosome activation to inhibit the prostate cancer.
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Gu Z, Lu W, Xue H, Zhang J, Yang S, Xu L. Syntheses and high selective cytotoxicity of dehydroabietylamine C-ring nitration derivatives. Fitoterapia 2022; 161:105232. [PMID: 35690187 DOI: 10.1016/j.fitote.2022.105232] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Revised: 06/04/2022] [Accepted: 06/04/2022] [Indexed: 11/26/2022]
Abstract
To find more effective anticancer agents, a series of novel dehydroabietylamine (DA) derivatives were synthesized, focusing on C-ring nitro modifications and C-18 imide introduction. Their cytotoxic activities against human tumor cell line HeLa (cervix), MCF-7 (breast), A549 (lung), HepG2 (liver), and nonmalignant cell line HUVEC (umbilical vein) in vitro were screened. The C-18 imide heterocyclic compounds 1, 2, and C-ring 14-nitro substituted 14 exhibited moderate to good cytotoxic activities and significant selectivity towards malignant cell lines. More importantly, they were significantly less cytotoxic to nonmalignant cells (HUVEC) than the parent compound and positive control doxorubicin hydrochloride (DOX). Meantime the mechanism of cytotoxicity of DA derivatives was studied. Annexin V-FITC/PI double-staining analysis suggested that cytotoxicity of compounds 2 and 14 was associated with early apoptosis induction. The interaction between compounds and DNA (herring sperm DNA) was studied using absorption spectral analysis and ethidium bromide (EB) fluorescence displacement experiments, the results exhibited that the binding of the compound to DNA was in the intercalative mode. The structure-activity relationship discussion implied that introduction of the nitro-group, especially the 14-nitro group, can significantly improve the cytotoxicity of dehydroabietylimide compounds. The relatively high cytotoxicity and significant high selectivity of compounds 2 and 14 indicated that they were particularly noteworthy. NO released amounts indicated that the amounts of NO released by the compounds bearing nitro-group were quite well associated positive correlation with their cytotoxic activity, which provide a new strategy for structure design of DA anticancer agents in the future.
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Affiliation(s)
- Zhenzhen Gu
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Wen Lu
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Huayu Xue
- College of Science, Nanjing Forestry University, Nanjing 210037, China; School of Environmental Engineering, Nanjing Polytechnic Institute, Nanjing 210048, China
| | - Jingjing Zhang
- College of Science, Nanjing Forestry University, Nanjing 210037, China
| | - Shilong Yang
- Advanced Analysis and Testing Center, Nanjing Forestry University, Nanjing 210037, China
| | - Li Xu
- College of Science, Nanjing Forestry University, Nanjing 210037, China; Institute of Material Physics & Chemistry, Nanjing Forestry University, Nanjing 210037, China.
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6
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Wiemann J, Al-Harrasi A, Csuk R. Cytotoxic Dehydroabietylamine Derived Compounds. Anticancer Agents Med Chem 2021; 20:1756-1767. [PMID: 32183684 DOI: 10.2174/1871520620666200317110010] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 10/19/2019] [Accepted: 11/12/2019] [Indexed: 12/28/2022]
Abstract
BACKGROUND AND METHODS Chemotherapy remains one of the most important methods for the treatment of cancer. More recently in this context, some products derived from natural products have raised scientific interest which especially include many terpenes. Thereby, diterpenoids represent a special class, and within this class of important secondary natural products, especially compounds derived from Dehydroabietylamine (DA), are of particular interest. RESULTS This review not only gives a summary of the most important findings on the cytotoxic behavior of DAderived compounds but also shows some drawbacks of these compounds, such low bioavailability and/or poor solubility of several derivatives of DA. It focusses on the chemical aspects and summarizes the DA related biological effects without deep discussion of underlying biochemical pathways. CONCLUSION Dehydroabietylamine-derived cytotoxic compounds hold a high potential to be developed into efficient antitumor active drugs.
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Affiliation(s)
- Jana Wiemann
- Martin-Luther-University Halle-Wittenberg, Organic Chemistry, Kurt-Mothes-Str. 2, D-06120 Halle (Saale), Germany
| | - Ahmed Al-Harrasi
- University of Nizwa, Chair of Oman's Medicinal Plants and Marine Natural Products, P.O. Box 33, PC 616, Birkat Al-Mauz, Nizwa, Oman
| | - René Csuk
- Martin-Luther-University Halle-Wittenberg, Organic Chemistry, Kurt-Mothes-Str. 2, D-06120 Halle (Saale), Germany
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7
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Li J, Liu C. Synthesis, antitumor and DNA cleavage activities of a novel class of dehydroabietylamine derivatives. Heliyon 2020; 6:e03390. [PMID: 32099921 PMCID: PMC7031308 DOI: 10.1016/j.heliyon.2020.e03390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 10/22/2019] [Accepted: 02/05/2020] [Indexed: 11/06/2022] Open
Abstract
Previous studies have reported higher biological activity of dehydrorosinamine derivatives. In order to further synthesize novel compounds with higher biological activity, a series of novel compounds containing benzo-azepine structures were synthesized from dehydroabietylamine in good yields in this study. The structures of synthesized compounds were identified by infra red (IR), 1H-NMR, 13C-NMR, and mass spectra (MS) analysis. The antitumor activities of the target compounds against L02 and HepG2 cells were studied. Furthermore, the dehydroabietylamine derivatives were studied on plasmid DNA cleavage activities. The results showed that the synthesized target compound exhibit antitumor and DNA cleavage activities against plasmid DNA (Escherichia coli). Our results further demonstrate the relationship between the chemical structure and biological function of the synthesized compounds.
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Affiliation(s)
- Jincai Li
- Department of Pharmacy, Bozhou Vocational and Technical College, Bozhou 236800, PR China
| | - Chaoxiang Liu
- Department of Pharmacy, Bozhou Vocational and Technical College, Bozhou 236800, PR China.,College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, PR China
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8
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Syntheses of C-ring modified dehydroabietylamides and their cytotoxic activity. Eur J Med Chem 2018; 156:861-870. [PMID: 30056282 DOI: 10.1016/j.ejmech.2018.07.051] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 07/15/2018] [Accepted: 07/19/2018] [Indexed: 11/22/2022]
Abstract
Due to their auspicious pharmacological efficacy as future drug candidates, natural products have been attracting scientific interest for centuries. An interesting field of research concerns the natural product class of terpenes. In this regard, a multitude of studies have already shown their promising biological potential. Therefore, a set of 27 derivatives of the diterpene dehydroabietylamine was synthesized, focusing on C-ring modifications and the derivatization of the amino moiety at C-18. Subsequent screening of the compounds in colorimetric sulforhodamine B-assays revealed an in vitro cytotoxicity especially towards malignant cell line MCF7. Particularly, 12-hydroxy-N-(isonicotinoyl)dehydroabietylamine and N-(4-methoxybenzoyl)dehydroabietylamine showed good cytotoxic activities (EC50 (MCF7) = 4.3 ± 0.2 μM and EC50 (MCF7) = 4.5 ± 1.5 μM, respectively) and significant selectivities (SI = 6.2 and SI = 8.8, respectively) towards malignant cell lines.
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9
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Zhao F, Wang W, Lu W, Xu L, Yang S, Cai XM, Zhou M, Lei M, Ma M, Xu HJ, Cao F. High anticancer potency on tumor cells of dehydroabietylamine Schiff-base derivatives and a copper(II) complex. Eur J Med Chem 2018; 146:451-459. [PMID: 29407970 DOI: 10.1016/j.ejmech.2018.01.041] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Revised: 01/12/2018] [Accepted: 01/14/2018] [Indexed: 12/20/2022]
Abstract
Five bioactive dehydroabietylamine Schiff-base derivatives (L1-L5) had been synthesized from Dehydroabietylamine (L0), and the complex Cu(L1)2 had been obtained from the compound L1 and copper(II) acetate. Their activities against Hela (cervix), MCF-7 (breast), A549 (lung), HepG2 (liver) and HUVEC (umbilical vein, normal cell) in vitro were investigated. The toxicity of L1-L5 and Cu(L1)2 was all lower than L0. For MCF-7 cell, L1, L3, L4, L5 and Cu(L1)2 had higher antitumor activity than L0. The smallest IC50 value was 2.58 μM of L5. For A549 cell, the IC50 value of the compound L4 was smaller than L0, which indicated that the compound L4 had higher anti-A549 activity than L0. For HepG2 cell, the IC50 value of L4(0.24 μM) and L5 (0.14 μM) were much smaller than L0, which suggested L4 and L5 had higher anti-HepG2 activity. L5 was 180 times more effective at inhibiting cultured HepG2 cells survival than normal cells, with average IC50 values of 0.14 and 25.56 μM. Furthermore, L0, L4 and L5 contrasting with Doxorubicin had been measured with the ability to induce apoptosis. It turned out that L4 and L5 could induce more HepG2 cells apoptosis, which suggested they may be potential antitumor drugs.
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Affiliation(s)
- Fengyi Zhao
- College of Forestry, Nanjing Forestry University, Nanjing, 210037, PR China; Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, PR China
| | - Weifan Wang
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, PR China
| | - Wen Lu
- College of Science, Nanjing Forestry University, Nanjing, 210037, PR China
| | - Li Xu
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, PR China; College of Science, Nanjing Forestry University, Nanjing, 210037, PR China; Advanced Analysis and Testing Center, Nanjing Forestry University, Nanjing, 210037, PR China; Sate Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin, 541001, PR China.
| | - Shilong Yang
- Advanced Analysis and Testing Center, Nanjing Forestry University, Nanjing, 210037, PR China
| | - Xu-Min Cai
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, PR China
| | - Mengyi Zhou
- Advanced Analysis and Testing Center, Nanjing Forestry University, Nanjing, 210037, PR China
| | - Meng Lei
- College of Science, Nanjing Forestry University, Nanjing, 210037, PR China
| | - Mengtao Ma
- College of Science, Nanjing Forestry University, Nanjing, 210037, PR China
| | - Hai-Jun Xu
- College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, PR China
| | - Fuliang Cao
- College of Forestry, Nanjing Forestry University, Nanjing, 210037, PR China; Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, Nanjing, PR China.
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10
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Wiemann J, Loesche A, Csuk R. Novel dehydroabietylamine derivatives as potent inhibitors of acetylcholinesterase. Bioorg Chem 2017; 74:145-157. [PMID: 28797788 DOI: 10.1016/j.bioorg.2017.07.013] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 07/19/2017] [Accepted: 07/25/2017] [Indexed: 11/24/2022]
Abstract
Nowadays, the inhibition of acetylcholinesterase is one of the main pharmacological strategies for the treatment of Alzheimer's disease. Therefore, a set of thirty-four derivatives of the diterpenoid dehydroabietylamine has been synthesized and screened in colorimetric Ellman's assays to determine their ability to inhibit the enzymes acetylcholinesterase (AChE, from electric eel) and butyrylcholinesterase (BChE, from equine serum). A systematic variation of the substitution of dehydroabietylamides enabled an approach to analogs showing a remarkable inhibition potency for AChE. Particularly N-benzoyldehydroabietylamines 11, 12 and 13 were excellent inhibitors for AChE, showing inhibition rates comparable to standard galantamine hydrobromide.
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Affiliation(s)
- Jana Wiemann
- Martin-Luther-University Halle-Wittenberg, Organic Chemistry, Kurt-Mothes-Str. 2, D-06120 Halle (Saale), Germany
| | - Anne Loesche
- Martin-Luther-University Halle-Wittenberg, Organic Chemistry, Kurt-Mothes-Str. 2, D-06120 Halle (Saale), Germany
| | - René Csuk
- Martin-Luther-University Halle-Wittenberg, Organic Chemistry, Kurt-Mothes-Str. 2, D-06120 Halle (Saale), Germany.
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11
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Mustufa MA, Ozen C, Hashmi IA, Aslam A, Baig JA, Yildiz G, Muhammad S, Solangi IB, Ul Hasan Naqvi N, Ozturk M, Ali FI. Synthesis and bio-molecular study of (+)-N-Acetyl-α-amino acid dehydroabietylamine derivative for the selective therapy of hepatocellular carcinoma. BMC Cancer 2016; 16:883. [PMID: 27842576 PMCID: PMC5109647 DOI: 10.1186/s12885-016-2942-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2016] [Accepted: 11/02/2016] [Indexed: 12/13/2022] Open
Abstract
Background The purpose of present work is to synthesize novel (+)-Dehydroabietylamine derivatives (DAAD) using N-acetyl-α-amino acid conjugates and determine its cytotoxic effects on hepatocellular carcinoma cells. Methods An analytical study was conducted to explore cytotoxic activity of DAAD on hepatocellular carcinoma cell lines. The cytotoxicity effect was recorded using sulforhodamine B technique. Cell cycle analysis was performed using Propidium Iodide (PI) staining. Based on cell morphology, anti growth activity and microarray findings of DAAD2 treatment, Comet assay, Annexin V/PI staining, Immunoperoxidase assay and western blots were performed accoringly. Results Hep3B cells were found to be the most sensitive with IC50 of 2.00 ± 0.4 μM against (+)-N-(N-Acetyl-L-Cysteine)-dehydroabietylamine as DAAD2. In compliance to time dependent morphological changes of low cellular confluence, detachment and rounding of DAAD2 treated cells; noticeable changes in G2/M phase were recorded may be leading to cell cycle cessation. Up-regulation (5folds) of TUBA1A gene in Hep3B cells was determined in microarray experiments. Apoptotic mode of cell death was evaluated using standardized staining procedures including comet assay and annexin V/PI staining, Immuno-peroxidase assay. Using western blotting technique, caspase dependant apoptotic mode of cell death was recorded against Hep3B cell line. Conclusion It is concluded that a novel DAAD2 with IC50 values less than 8 μM can induce massive cell attenuation following caspase dependent apoptotic cell death in Hep3B cells. Moreover, the corelation study indicated that DAAD2 may have vital influence on cell prolifration properties. Electronic supplementary material The online version of this article (doi:10.1186/s12885-016-2942-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Muhammad Ayaz Mustufa
- 5th Floor, PHRC Specialized Research Centre on Child Health, National Institute of Child Health, Karachi, 75500, Pakistan. .,Baqai Institute of Pharmaceutical Sciences (BIPS), Baqai Medical University, Karachi, 74600, Pakistan. .,Department of Molecular, Biology and Genetics, BilGen Genetics and Biotechnology Center, Bilkent University, Ankara, 06800, Turkey.
| | - Cigdem Ozen
- Izmir International Biomedicine and Genome Institute, iBG-izmir, Dokuz Eylül University, 35340, Balcova, Izmir, Turkey
| | - Imran Ali Hashmi
- Department of Chemistry, University of Karachi, Karachi, 75270, Pakistan
| | - Afshan Aslam
- Department of Chemistry, University of Karachi, Karachi, 75270, Pakistan
| | - Jameel Ahmed Baig
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Gokhan Yildiz
- Department of Medical Biology, Erzincan University Faculty of Medicine, Erzincan, 24100, Turkey
| | - Shoaib Muhammad
- Department of Chemistry, University of Karachi, Karachi, 75270, Pakistan
| | - Imam Bakhsh Solangi
- Dr. M. A. Kazi Institute of Chemistry, University of Sindh, Jamshoro, 76080, Pakistan
| | - Naim Ul Hasan Naqvi
- Baqai Institute of Pharmaceutical Sciences (BIPS), Baqai Medical University, Karachi, 74600, Pakistan
| | - Mehmet Ozturk
- Izmir International Biomedicine and Genome Institute, iBG-izmir, Dokuz Eylül University, 35340, Balcova, Izmir, Turkey
| | - Firdous Imran Ali
- Department of Chemistry, University of Karachi, Karachi, 75270, Pakistan.
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12
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Mbofana CT, Chong E, Lawniczak J, Sanford MS. Iron-Catalyzed Oxyfunctionalization of Aliphatic Amines at Remote Benzylic C-H Sites. Org Lett 2016; 18:4258-61. [PMID: 27529646 PMCID: PMC5356366 DOI: 10.1021/acs.orglett.6b02003] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
We report the development of an iron-catalyzed method for the selective oxyfunctionalization of benzylic C(sp(3))-H bonds in aliphatic amine substrates. This transformation is selective for benzylic C-H bonds that are remote (i.e., at least three carbons) from the amine functional group. High site selectivity is achieved by in situ protonation of the amine with trifluoroacetic acid, which deactivates more traditionally reactive C-H sites that are α to nitrogen. The scope and synthetic utility of this method are demonstrated via the synthesis and derivatization of a variety of amine-containing, biologically active molecules.
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Affiliation(s)
- Curren T. Mbofana
- Department of Chemistry, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Eugene Chong
- Department of Chemistry, University of Michigan, Ann Arbor, MI, 48109, USA
| | - James Lawniczak
- Department of Chemistry, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Melanie S. Sanford
- Department of Chemistry, University of Michigan, Ann Arbor, MI, 48109, USA
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13
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Dea-Ayuela MA, Bilbao-Ramos P, Bolás-Fernández F, González-Cardenete MA. Synthesis and antileishmanial activity of C7- and C12-functionalized dehydroabietylamine derivatives. Eur J Med Chem 2016; 121:445-450. [PMID: 27318121 DOI: 10.1016/j.ejmech.2016.06.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Revised: 05/17/2016] [Accepted: 06/03/2016] [Indexed: 10/21/2022]
Abstract
Abietane-type diterpenoids, either naturally occurring or synthetic, have shown a wide range of pharmacological actions, including antiprotozoal properties. In this study, we report on the antileishmanial evaluation of a series of (+)-dehydroabietylamine derivatives functionalized at C7 and/or C12. Thus, the activity in vitro against Leishmania infantum, Leishmania donovani, Leishmania amazonensis and Leishmania guyanensis, was studied. Most of the benzamide derivatives showed activities at low micromolar concentration against cultured promastigotes of Leishmania spp. (IC50 = 2.2-46.8 μM), without cytotoxicity on J774 macrophage cells. Compound 15, an acetamide, was found to be the most active leishmanicidal agent, though it presented some cytotoxicity on J774 cells. Among the benzamide derivatives, compounds 8 and 10, were also active against L. infantum intracellular amastigotes, being 18- and 23-fold more potent than the reference compound miltefosine, respectively. Some structure-activity relationships have been identified for the antileishmanial activity in these dehydroabietylamine derivatives.
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Affiliation(s)
- M Auxiliadora Dea-Ayuela
- Departamento de Farmacia, Universidad CEU Cardenal Herrera, Avda. Seminario s/n, 46113 Moncada (Valencia), Spain; Departamento de Parasitología, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Pablo Bilbao-Ramos
- Departamento de Parasitología, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Francisco Bolás-Fernández
- Departamento de Parasitología, Universidad Complutense de Madrid, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain
| | - Miguel A González-Cardenete
- Instituto de Tecnología Química, Universitat Politècnica de València-Consejo Superior de Investigaciones Científicas, Avda. de los Naranjos s/n, 46022 Valencia, Spain.
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14
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Pirttimaa M, Nasereddin A, Kopelyanskiy D, Kaiser M, Yli-Kauhaluoma J, Oksman-Caldentey KM, Brun R, Jaffe CL, Moreira VM, Alakurtti S. Abietane-Type Diterpenoid Amides with Highly Potent and Selective Activity against Leishmania donovani and Trypanosoma cruzi. JOURNAL OF NATURAL PRODUCTS 2016; 79:362-368. [PMID: 26849852 DOI: 10.1021/acs.jnatprod.5b00990] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Dehydroabietylamine (1) was used as a starting material to synthesize a small library of dehydroabietyl amides by simple and facile methods, and their activities against two disease-causing trypanosomatids, namely, Leishmania donovani and Trypanosoma cruzi, were assayed. The most potent compound, 10, an amide of dehydroabietylamine and acrylic acid, was found to be highly potent against these parasites, displaying an IC50 value of 0.37 μM against L. donovani axenic amastigotes and an outstanding selectivity index of 63. Moreover, compound 10 fully inhibited the growth of intracellular amastigotes in Leishmania donovani-infected human macrophages with a low IC50 value of 0.06 μM. This compound was also highly effective against T. cruzi amastigotes residing in L6 cells with an IC50 value of 0.6 μM and high selectivity index of 58, being 3.5 times more potent than the reference compound benznidazole. The potent activity of this compound and its relatively low cytotoxicity make it attractive for further development in pursuit of better drugs for patients suffering from leishmaniasis and Chagas disease.
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Affiliation(s)
- Minni Pirttimaa
- VTT Technical Research Centre of Finland Ltd, VTT , P.O. Box 1000, FI-02044 VTT Espoo, Finland
| | - Abedelmajeed Nasereddin
- Department of Microbiology and Molecular Genetics, IMRIC, P.O. Box 12272, Hebrew University-Hadassah Medical School , 9112102 Jerusalem, Israel
| | - Dmitry Kopelyanskiy
- Department of Microbiology and Molecular Genetics, IMRIC, P.O. Box 12272, Hebrew University-Hadassah Medical School , 9112102 Jerusalem, Israel
| | - Marcel Kaiser
- Department of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute , Socinstrasse 57, 4051 Basel, Switzerland
| | - Jari Yli-Kauhaluoma
- Faculty of Pharmacy, Division of Pharmaceutical Chemistry and Technology, University of Helsinki , Viikinkaari 5 E (P.O. Box 56), FI-00014, Helsinki, Finland
| | | | - Reto Brun
- Department of Medical Parasitology and Infection Biology, Swiss Tropical and Public Health Institute , Socinstrasse 57, 4051 Basel, Switzerland
| | - Charles L Jaffe
- Department of Microbiology and Molecular Genetics, IMRIC, P.O. Box 12272, Hebrew University-Hadassah Medical School , 9112102 Jerusalem, Israel
| | - Vânia M Moreira
- Faculty of Pharmacy, Division of Pharmaceutical Chemistry and Technology, University of Helsinki , Viikinkaari 5 E (P.O. Box 56), FI-00014, Helsinki, Finland
| | - Sami Alakurtti
- VTT Technical Research Centre of Finland Ltd, VTT , P.O. Box 1000, FI-02044 VTT Espoo, Finland
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15
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Yang X, Qin X, Wang Q, Huang Y. Synthesis and antitumor activities of piperazine- and cyclen-conjugated dehydroabietylamine derivatives. HETEROCYCL COMMUN 2015. [DOI: 10.1515/hc-2015-0025] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
AbstractA series of piperazine- and cyclen-conjugated dehydroabietylamine derivatives were synthesized and characterized by 1H NMR, 13C NMR, and HRMS. The in vitro antitumor activities of conjugates 10–13 against MCF-7 and HepG-2 tumor cell lines were evaluated using CCK-8 assay. The results show that the synthesized compounds cause a dose-dependent inhibition of cell proliferation and display different antitumor activities with the IC50 values ranging from 23.56 to 78.92 μm. Moreover, the antitumor activity of conjugate 10 against the MCF-7 cell line is superior to that of the positive control 5-fluorouracil. In addition, flow cytometric assay revealed that the representative conjugate 10 could induce apoptosis in MCF-7 tumor cells in a dose-dependent manner.
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Affiliation(s)
- Xinbin Yang
- 1Rongchang Campus, Southwest University, Chongqing 402460, P. R. China
| | - Xiaolin Qin
- 1Rongchang Campus, Southwest University, Chongqing 402460, P. R. China
| | - Qin Wang
- 1Rongchang Campus, Southwest University, Chongqing 402460, P. R. China
| | - Yu Huang
- 2Pharmacy College, Ningxia Medical University, Yinchuan 750004, P. R. China
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16
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González MA. Synthetic derivatives of aromatic abietane diterpenoids and their biological activities. Eur J Med Chem 2014; 87:834-42. [PMID: 25440884 DOI: 10.1016/j.ejmech.2014.10.023] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 10/06/2014] [Accepted: 10/09/2014] [Indexed: 11/28/2022]
Abstract
Naturally occurring aromatic abietane diterpenoids (dehydroabietanes) exhibit a wide range of biological activities. A number of synthetic studies aimed at modifying the abietane skeleton in order to obtain new potential chemotherapeutic agents have been reported. In this study, the biological activities of synthetic derivatives of aromatic abietane diterpenoids are reviewed.
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Affiliation(s)
- Miguel A González
- Departamento de Química Orgánica, Universidad de Valencia, E-46100 Burjassot, Valencia, Spain.
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17
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