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Sarkar P, Gopi P, Pandya P, Paria S, Hossain M, Siddiqui MH, Alamri S, Bhadra K. Insights on the comparative affinity of ribonucleic acids with plant-based beta carboline alkaloid, harmine: Spectroscopic, calorimetric and computational evaluation. Heliyon 2024; 10:e34183. [PMID: 39100473 PMCID: PMC11295990 DOI: 10.1016/j.heliyon.2024.e34183] [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: 03/14/2024] [Revised: 07/04/2024] [Accepted: 07/04/2024] [Indexed: 08/06/2024] Open
Abstract
Small molecules as ligands target multifunctional ribonucleic acids (RNA) for therapeutic engagement. This study explores how the anticancer DNA intercalator harmine interacts various motifs of RNAs, including the single-stranded A-form poly (rA), the clover leaf tRNAphe, and the double-stranded A-form poly (rC)-poly (rG). Harmine showed the affinity to the polynucleotides in the order, poly (rA) > tRNAphe > poly (rC)·poly (rG). While no induced circular dichroism change was detected with poly (rC)poly (rG), significant structural alterations of poly (rA) followed by tRNAphe and occurrence of concurrent initiation of optical activity in the attached achiral molecule of alkaloid was reported. At 25 °C, the affinity further showed exothermic and entropy-driven binding. The interaction also highlighted heat capacity (ΔC o p ) and Gibbs energy contribution from the hydrophobic transfer (ΔG hyd) of binding with harmine. Molecular docking calculations indicated that harmine exhibits higher affinity for poly (rA) compared to tRNAphe and poly (rC)·poly (rG). Subsequent molecular dynamics simulations were conducted to investigate the binding mode and stability of harmine with poly(A), tRNAphe, and poly (rC)·poly (rG). The results revealed that harmine adopts a partial intercalative binding with poly (rA) and tRNAphe, characterized by pronounced stacking forces and stronger binding free energy observed with poly (rA), while a comparatively weaker binding free energy was observed with tRNAphe. In contrast, the stacking forces with poly (rC)·poly (rG) were comparatively less pronounced and adopts a groove binding mode. It was also supported by ferrocyanide quenching analysis. All these findings univocally provide detailed insight into the binding specificity of harmine, to single stranded poly (rA) over other RNA motifs, probably suggesting a self-structure formation in poly (rA) with harmine and its potential as a lead compound for RNA based drug targeting.
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Affiliation(s)
- Paromita Sarkar
- University of Kalyani, Department of Zoology, Nadia, W. Bengal, 741235, India
| | - Priyanka Gopi
- Amity Institute of Forensic Sciences, Amity University, Noida, Uttar Pradesh, India
| | - Prateek Pandya
- Amity Institute of Forensic Sciences, Amity University, Noida, Uttar Pradesh, India
| | - Samaresh Paria
- Vidyasagar University, Department of Chemistry, Midnapore 721 102, West Bengal, India
| | - Maidul Hossain
- Vidyasagar University, Department of Chemistry, Midnapore 721 102, West Bengal, India
| | - Manzer H. Siddiqui
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Saud Alamri
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Kakali Bhadra
- University of Kalyani, Department of Zoology, Nadia, W. Bengal, 741235, India
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Wickhorst PJ, Blachnik M, Lagumdzija D, Ihmels H. Synthesis of 10- O-aryl-substituted berberine derivatives by Chan-Evans-Lam coupling and investigation of their DNA-binding properties. Beilstein J Org Chem 2021; 17:991-1000. [PMID: 34025807 PMCID: PMC8111429 DOI: 10.3762/bjoc.17.81] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 04/22/2021] [Indexed: 12/16/2022] Open
Abstract
Eleven novel 10-O-aryl-substituted berberrubine and berberine derivatives were synthesized by the Cu2+-catalyzed Chan-Evans-Lam coupling of berberrubine with arylboronic acids and subsequent 9-O-methylation. The reaction is likely introduced by the Cu2+-induced demethylation of berberrubine and subsequent arylation of the resulting 10-oxyanion functionality. Thus, this synthetic route represents the first successful Cu-mediated coupling reaction of berberine substrates. The DNA-binding properties of the 10-O-arylberberine derivatives with duplex and quadruplex DNA were studied by thermal DNA denaturation experiments, spectrometric titrations as well as CD and LD spectroscopy. Fluorimetric DNA melting analysis with different types of quadruplex DNA revealed a moderate stabilization of the telomeric quadruplex-forming oligonucleotide sequence G3(TTAG3)3. The derivatives showed a moderate affinity towards quadruplex DNA (K b = 5-9 × 105 M-1) and ct DNA (K b = 3-5 × 104 M-1) and exhibited a fluorescence light-up effect upon complexation to both DNA forms, with slightly higher intensity in the presence of the quadruplex DNA. Furthermore, the CD- and LD-spectroscopic studies revealed that the title compounds intercalate into ct DNA and bind to G4-DNA by terminal stacking.
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Affiliation(s)
- Peter Jonas Wickhorst
- Department of Chemistry – Biology, University of Siegen, and Center of Micro- and Nanochemistry and Engineering (Cµ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Mathilda Blachnik
- Department of Chemistry – Biology, University of Siegen, and Center of Micro- and Nanochemistry and Engineering (Cµ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Denisa Lagumdzija
- Department of Chemistry – Biology, University of Siegen, and Center of Micro- and Nanochemistry and Engineering (Cµ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
| | - Heiko Ihmels
- Department of Chemistry – Biology, University of Siegen, and Center of Micro- and Nanochemistry and Engineering (Cµ), Adolf-Reichwein-Str. 2, 57068 Siegen, Germany
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Ekeuku SO, Pang KL, Chin KY. Palmatine as an Agent Against Metabolic Syndrome and Its Related Complications: A Review. Drug Des Devel Ther 2020; 14:4963-4974. [PMID: 33235437 PMCID: PMC7680161 DOI: 10.2147/dddt.s280520] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 10/29/2020] [Indexed: 12/20/2022] Open
Abstract
Palmatine is a naturally occurring isoquinoline alkaloid with various pharmacological properties. Given its antioxidant and anti-inflammatory properties, palmatine may be able to impede the effects of metabolic syndrome (MetS) and its related diseases triggered by inflammation and oxidative stress. This review summarises the existing literature about the effects of palmatine supplementation on MetS and its complications. The evidence shows that palmatine could protect against MetS, and cardiovascular diseases, osteoporosis and osteoarthritis, which might be associated with MetS. These protective effects are mediated by the antioxidant and anti-inflammatory properties of palmatine. Although preclinical experiments have demonstrated the efficacy of palmatine against MetS and its related diseases, no human clinical trials have been performed to validate these effects. This research gap should be bridged to validate the efficacy and safety of palmatine supplementation in protecting humans against MetS and its related diseases.
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Affiliation(s)
- Sophia Ogechi Ekeuku
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur, Malaysia
| | - Kok-Lun Pang
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur, Malaysia
| | - Kok-Yong Chin
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Kuala Lumpur, Malaysia
- State Key Laboratory of Oncogenes and Related Genes, Renji-Med X Clinical Stem Cell Research Center, Department of Urology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, People’s Republic of China
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Tarabasz D, Kukula-Koch W. Palmatine: A review of pharmacological properties and pharmacokinetics. Phytother Res 2019; 34:33-50. [PMID: 31496018 DOI: 10.1002/ptr.6504] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 06/18/2019] [Accepted: 08/19/2019] [Indexed: 12/11/2022]
Abstract
The aim of this review is to collect together the results of the numerous studies over the last two decades on the pharmacological properties of palmatine published in scientific databases like Scopus and PubMed, which are scattered across different publications. Palmatine, an isoquinoline alkaloid from the class of protoberberines, is a yellow compound present in the extracts from different representatives of Berberidaceae, Papaveraceae, Ranunculaceae, and Menispermaceae. It has been extensively used in traditional medicine of Asia in the treatment of jaundice, liver-related diseases, hypertension, inflammation, and dysentery. New findings describe its possible applications in the treatment of civilization diseases like central nervous system-related problems. This review intends to let this alkaloid come out from the shade of a more frequently described alkaloid: berberine. The toxicity, pharmacokinetics, and biological activities of this protoberberine alkaloid will be developed in this work.
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Affiliation(s)
| | - Wirginia Kukula-Koch
- Chair and Department of Pharmacognosy with Medicinal Plants Unit, Medical University of Lublin, Lublin, Poland
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Basu A, Kumar GS. Nucleic acids binding strategies of small molecules: Lessons from alkaloids. Biochim Biophys Acta Gen Subj 2018; 1862:1995-2016. [DOI: 10.1016/j.bbagen.2018.06.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 06/11/2018] [Accepted: 06/11/2018] [Indexed: 01/14/2023]
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Bhattacharjee P, Ghosh T, Sarkar S, Pandya P, Bhadra K. Binding affinity and in vitro
cytotoxicity of harmaline targeting different motifs of nucleic acids: An ultimate drug designing approach. J Mol Recognit 2017; 31. [PMID: 29243872 DOI: 10.1002/jmr.2687] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2017] [Revised: 10/22/2017] [Accepted: 10/22/2017] [Indexed: 01/18/2023]
Affiliation(s)
| | - Tapas Ghosh
- Department of Zoology; University of Kalyani; Kalyani Nadia, West Bengal India
| | - Sarita Sarkar
- Department of Zoology; University of Kalyani; Kalyani Nadia, West Bengal India
| | - Prateek Pandya
- Amity Institute of Forensic Sciences; Amity University; Noida Uttar Pradesh India
| | - Kakali Bhadra
- Department of Zoology; University of Kalyani; Kalyani Nadia, West Bengal India
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Callies O, Hernández Daranas A. Application of isothermal titration calorimetry as a tool to study natural product interactions. Nat Prod Rep 2016; 33:881-904. [DOI: 10.1039/c5np00094g] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The study of molecular interactions of natural products by isothermal titration calorimetry (ITC) is a potent tool to get new insights of the underpinning driving forces.
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Affiliation(s)
- O. Callies
- Institute of Bioorganic Chemistry “Antonio González”
- Center for Biomedical Research of the Canary Islands
- University of La Laguna
- 38206 La Laguna
- Spain
| | - A. Hernández Daranas
- Institute of Bioorganic Chemistry “Antonio González”
- Center for Biomedical Research of the Canary Islands
- University of La Laguna
- 38206 La Laguna
- Spain
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Sarkar S, Bhadra K. Binding of alkaloid harmalol to DNA: Photophysical and calorimetric approach. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2014; 130:272-80. [DOI: 10.1016/j.jphotobiol.2013.11.021] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Revised: 11/18/2013] [Accepted: 11/19/2013] [Indexed: 11/16/2022]
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Interaction of berberine, palmatine, coralyne, and sanguinarine to quadruplex DNA: A comparative spectroscopic and calorimetric study. Biochim Biophys Acta Gen Subj 2011; 1810:485-96. [DOI: 10.1016/j.bbagen.2011.01.011] [Citation(s) in RCA: 136] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2010] [Revised: 01/21/2011] [Accepted: 01/24/2011] [Indexed: 12/11/2022]
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Survey of the year 2008: applications of isothermal titration calorimetry. J Mol Recognit 2010; 23:395-413. [DOI: 10.1002/jmr.1025] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Bhadra K, Kumar GS. Therapeutic potential of nucleic acid-binding isoquinoline alkaloids: Binding aspects and implications for drug design. Med Res Rev 2010; 31:821-62. [DOI: 10.1002/med.20202] [Citation(s) in RCA: 219] [Impact Index Per Article: 15.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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Bhadra K, Maiti M, Kumar GS. Interaction of isoquinoline alkaloids with polymorphic DNA structures. Chem Biodivers 2010; 6:1323-42. [PMID: 19774594 DOI: 10.1002/cbdv.200900017] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The interaction of berberine, palmatine, and coralyne with the B, Z, and H(L) form of poly[d(G-C)] was studied. Berberine and palmatine showed moderate binding to the B form, while coralyne showed higher binding, as revealed from spectroscopic and thermodynamic data. Berberine and coralyne binding to the B form was exothermic and enthalpy-driven, while palmatine showed exothermic binding which was favored by both negative enthalpy and negative entropy changes. Berberine and palmatine neither bind nor converted the Z-form structure to B form. Coralyne, on the other hand, exhibited a strong binding affinity to Z DNA structure that was enthalpy-driven. Berberine binding to the H(L) form was cooperative, exothermic, and favored by both negative enthalpy and negative entropy changes with the formation of an induced CD band. Palmatine showed weak binding, while coralyne showed a strong binding with the H(L) form. The structural differences in the isoquinoline alkaloids appear to influence the affinity and mode of interactions with these polymorphic DNA structures.
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Affiliation(s)
- Kakali Bhadra
- Biophysical Chemistry Laboratory, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research, 4 Raja S.C. Mullick Road, Kolkata 700032, India.
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Maiti M, Kumar GS. Polymorphic nucleic Acid binding of bioactive isoquinoline alkaloids and their role in cancer. J Nucleic Acids 2009; 2010. [PMID: 20814427 PMCID: PMC2915887 DOI: 10.4061/2010/593408] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2009] [Revised: 09/11/2009] [Accepted: 09/14/2009] [Indexed: 12/20/2022] Open
Abstract
Bioactive alkaloids occupy an important position in applied chemistry and play an indispensable role in medicinal chemistry. Amongst them, isoquinoline alkaloids like berberine, palmatine and coralyne of protoberberine group, sanguinarine of the benzophenanthridine group, and their derivatives represent an important class of molecules for their broad range of clinical and pharmacological utility. In view of their extensive occurrence in various plant species and significantly low toxicities, prospective development and use of these alkaloids as effective anticancer agents are matters of great current interest. This review has focused on the interaction of these alkaloids with polymorphic nucleic acid structures (B-form, A-form, Z-form, HL-form, triple helical form, quadruplex form) and their topoisomerase inhibitory activity reported by several research groups using various biophysical techniques like spectrophotometry, spectrofluorimetry, thermal melting, circular dichroism, NMR spectroscopy, electrospray ionization mass spectroscopy, viscosity, isothermal titration calorimetry, differential scanning calorimetry, molecular modeling studies, and so forth, to elucidate their mode and mechanism of action for structure-activity relationships. The DNA binding of the planar sanguinarine and coralyne are found to be stronger and thermodynamically more favoured compared to the buckled structure of berberine and palmatine and correlate well with the intercalative mechanism of sanguinarine and coralyne and the partial intercalation by berberine and palmatine. Nucleic acid binding properties are also interpreted in relation to their anticancer activity.
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Affiliation(s)
- Motilal Maiti
- Biophysical Chemistry Laboratory, Indian Institute of Chemical Biology (CSIR), Kolkata 700032, India
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Islam MM, Chowdhury SR, Kumar GS. Spectroscopic and calorimetric studies on the binding of alkaloids berberine, palmatine and coralyne to double stranded RNA polynucleotides. J Phys Chem B 2009; 113:1210-24. [PMID: 19132839 DOI: 10.1021/jp806597w] [Citation(s) in RCA: 131] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The interaction of two natural protoberberine plant alkaloids berberine and palmatine and a synthetic derivative coralyne to three double stranded ribonucleic acids, poly(A). poly(U), poly(I).poly(C) and poly(C).poly(G) was studied using various biophysical techniques. Absorbance and fluorescence studies showed that the alkaloids bound cooperatively to these RNAs with the binding affinities of the order 10(4) M(-1). Circular dichroic results suggested that the conformation of poly(A). poly(U) was perturbed by all the three alkaloids, that of poly(I).poly(C) by coralyne only and that of poly(C).poly(G) by none. Fluorescence quenching studies gave evidence for partial intercalation of berberine and palmatine and complete intercalation of coralyne to these RNA duplexes. Isothermal titration calorimetric studies revealed that the binding was characterized by negative enthalpy and positive entropy changes and the affinity constants derived were in agreement with the overall binding affinity from spectral data. The binding of all the three alkaloids considerably stabilized the melting of poly(A). poly(U) and poly(I).poly(C) and the binding data evaluated from the melting data were in agreement with that obtained from other techniques. The overall binding affinity of the alkaloids to these double stranded RNAs varied in the order, berberine = palmatine < coralyne. The temperature dependence of the enthalpy changes afforded large negative values of heat capacity changes for the binding of palmatine and coralyne to poly(A).poly(U) and of coralyne to poly(I).poly(C), suggesting substantial hydrophobic contribution in the binding process. Further, enthalpy-entropy compensation was also seen in almost all the systems that showed binding. These results further advance our understanding on the binding of small molecules that are specific binders to double stranded RNA sequences.
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Affiliation(s)
- Md Maidul Islam
- Biophysical Chemistry Laboratory, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research, Kolkata 700 032, India
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Bhadra K, Maiti M, Kumar GS. DNA-Binding Cytotoxic Alkaloids: Comparative Study of the Energetics of Binding of Berberine, Palmatine, and Coralyne. DNA Cell Biol 2008; 27:675-85. [DOI: 10.1089/dna.2008.0779] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Kakali Bhadra
- Biophysical Chemistry Laboratory, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research, Kolkata, India
| | - Motilal Maiti
- Biophysical Chemistry Laboratory, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research, Kolkata, India
| | - Gopinatha Suresh Kumar
- Biophysical Chemistry Laboratory, Indian Institute of Chemical Biology, Council of Scientific and Industrial Research, Kolkata, India
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