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Ahmadu AA, Delehouzé C, Haruna A, Mustapha L, Lawal BA, Udobre A, Baratte B, Triscornia C, Autret A, Robert T, Bulinski JC, Rousselot M, Simoes Eugénio M, Dimanche-Boitrel MT, Petzer JP, Legoabe LJ, Bach S. Betulin, a Newly Characterized Compound in Acacia auriculiformis Bark, Is a Multi-Target Protein Kinase Inhibitor. Molecules 2021; 26:molecules26154599. [PMID: 34361750 PMCID: PMC8347092 DOI: 10.3390/molecules26154599] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 02/03/2023] Open
Abstract
The purpose of this work is to investigate the protein kinase inhibitory activity of constituents from Acacia auriculiformis stem bark. Column chromatography and NMR spectroscopy were used to purify and characterize betulin from an ethyl acetate soluble fraction of acacia bark. Betulin, a known inducer of apoptosis, was screened against a panel of 16 disease-related protein kinases. Betulin was shown to inhibit Abelson murine leukemia viral oncogene homolog 1 (ABL1) kinase, casein kinase 1ε (CK1ε), glycogen synthase kinase 3α/β (GSK-3 α/β), Janus kinase 3 (JAK3), NIMA Related Kinase 6 (NEK6), and vascular endothelial growth factor receptor 2 kinase (VEGFR2) with activities in the micromolar range for each. The effect of betulin on the cell viability of doxorubicin-resistant K562R chronic myelogenous leukemia cells was then verified to investigate its putative use as an anti-cancer compound. Betulin was shown to modulate the mitogen-activated protein (MAP) kinase pathway, with activity similar to that of imatinib mesylate, a known ABL1 kinase inhibitor. The interaction of betulin and ABL1 was studied by molecular docking, revealing an interaction of the inhibitor with the ABL1 ATP binding pocket. Together, these data demonstrate that betulin is a multi-target inhibitor of protein kinases, an activity that can contribute to the anticancer properties of the natural compound and to potential treatments for leukemia.
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Affiliation(s)
- Augustine A. Ahmadu
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Kaduna State University, Kaduna 800241, Nigeria; (A.H.); (L.M.)
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmacy, University of Calabar, Calabar 540271, Nigeria
- Correspondence: (A.A.A.); (S.B.); Tel.: +234-80-37-03-35-05 (A.A.A.); +33-2-98-29-23-91 (S.B.)
| | - Claire Delehouzé
- Station Biologique de Roscoff, CNRS, UMR8227, Integrative Biology of Marine Models Laboratory (LBI2M), Sorbonne Université, 29680 Roscoff, France; (C.D.); (B.B.); (C.T.); (T.R.); (J.C.B.)
- Place Georges Teissier, SeaBeLife Biotech, 29680 Roscoff, France; (A.A.); (M.R.); (M.S.E.)
| | - Anas Haruna
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Kaduna State University, Kaduna 800241, Nigeria; (A.H.); (L.M.)
| | - Lukman Mustapha
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Kaduna State University, Kaduna 800241, Nigeria; (A.H.); (L.M.)
| | - Bilqis A. Lawal
- Department of Pharmacognosy and Drug Development, Faculty of Pharmaceutical Sciences, University of Ilorin, Ilorin 240003, Nigeria;
| | - Aniefiok Udobre
- Department of Pharmaceutical and Medicinal Chemistry, Faculty of Pharmacy, University of Uyo, Uyo 520003, Nigeria;
| | - Blandine Baratte
- Station Biologique de Roscoff, CNRS, UMR8227, Integrative Biology of Marine Models Laboratory (LBI2M), Sorbonne Université, 29680 Roscoff, France; (C.D.); (B.B.); (C.T.); (T.R.); (J.C.B.)
- CNRS, FR2424, Station Biologique de Roscoff, Plateforme de Criblage KISSf (Kinase Inhibitor Specialized Screening Facility), Sorbonne Université, 29680 Roscoff, France
| | - Camilla Triscornia
- Station Biologique de Roscoff, CNRS, UMR8227, Integrative Biology of Marine Models Laboratory (LBI2M), Sorbonne Université, 29680 Roscoff, France; (C.D.); (B.B.); (C.T.); (T.R.); (J.C.B.)
| | - Axelle Autret
- Place Georges Teissier, SeaBeLife Biotech, 29680 Roscoff, France; (A.A.); (M.R.); (M.S.E.)
| | - Thomas Robert
- Station Biologique de Roscoff, CNRS, UMR8227, Integrative Biology of Marine Models Laboratory (LBI2M), Sorbonne Université, 29680 Roscoff, France; (C.D.); (B.B.); (C.T.); (T.R.); (J.C.B.)
- CNRS, FR2424, Station Biologique de Roscoff, Plateforme de Criblage KISSf (Kinase Inhibitor Specialized Screening Facility), Sorbonne Université, 29680 Roscoff, France
| | - Jeannette Chloë Bulinski
- Station Biologique de Roscoff, CNRS, UMR8227, Integrative Biology of Marine Models Laboratory (LBI2M), Sorbonne Université, 29680 Roscoff, France; (C.D.); (B.B.); (C.T.); (T.R.); (J.C.B.)
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
| | - Morgane Rousselot
- Place Georges Teissier, SeaBeLife Biotech, 29680 Roscoff, France; (A.A.); (M.R.); (M.S.E.)
| | - Mélanie Simoes Eugénio
- Place Georges Teissier, SeaBeLife Biotech, 29680 Roscoff, France; (A.A.); (M.R.); (M.S.E.)
- Institut de Recherche sur la Santé, l’Environnement et le Travail (IRSET), INSERM UMR 1085, F-35043 Rennes, France;
| | - Marie-Thérèse Dimanche-Boitrel
- Institut de Recherche sur la Santé, l’Environnement et le Travail (IRSET), INSERM UMR 1085, F-35043 Rennes, France;
- Biosit UMS 3080, Université de Rennes 1, F-35043 Rennes, France
| | - Jacobus P. Petzer
- Centre of Excellence for Pharmaceutical Sciences, North-West University, Private Bag X6001, Potchefstroom 2520, South Africa; (J.P.P.); (L.J.L.)
- Pharmaceutical Chemistry, School of Pharmacy, North-West University, Private Bag X6001, Potchefstroom 2520, South Africa
| | - Lesetja J. Legoabe
- Centre of Excellence for Pharmaceutical Sciences, North-West University, Private Bag X6001, Potchefstroom 2520, South Africa; (J.P.P.); (L.J.L.)
| | - Stéphane Bach
- Station Biologique de Roscoff, CNRS, UMR8227, Integrative Biology of Marine Models Laboratory (LBI2M), Sorbonne Université, 29680 Roscoff, France; (C.D.); (B.B.); (C.T.); (T.R.); (J.C.B.)
- CNRS, FR2424, Station Biologique de Roscoff, Plateforme de Criblage KISSf (Kinase Inhibitor Specialized Screening Facility), Sorbonne Université, 29680 Roscoff, France
- Centre of Excellence for Pharmaceutical Sciences, North-West University, Private Bag X6001, Potchefstroom 2520, South Africa; (J.P.P.); (L.J.L.)
- Correspondence: (A.A.A.); (S.B.); Tel.: +234-80-37-03-35-05 (A.A.A.); +33-2-98-29-23-91 (S.B.)
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