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Tito G, Ferraro G, Pisanu F, Garribba E, Merlino A. Non-Covalent and Covalent Binding of New Mixed-Valence Cage-like Polyoxidovanadate Clusters to Lysozyme. Angew Chem Int Ed Engl 2024; 63:e202406669. [PMID: 38842919 DOI: 10.1002/anie.202406669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 05/16/2024] [Accepted: 06/06/2024] [Indexed: 06/07/2024]
Abstract
The high-resolution X-ray structures of the model protein lysozyme in the presence of the potential drug [VIVO(acetylacetonato)2] from crystals grown in 1.1 M NaCl, 0.1 M sodium acetate at pH 4.0 reveal the binding to the protein of different and unexpected mixed-valence cage-like polyoxidovanadates (POVs): [V15O36(OH2)]5-, which non-covalently interacts with the lysozyme surface, [V15O33(OH2)]+ and [V20O51(OH2)]n- (this latter based on an unusual {V18O43} cage) which covalently bind the protein. EPR spectroscopy confirms the partial oxidation of VIV to VV and the formation of mixed-valence species. The results indicate that the interaction with proteins can stabilize the structure of unexpected - both for dimension and architecture - POVs, not observed in aqueous solution.
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Affiliation(s)
- Gabriella Tito
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia, I-80126, Napoli, Italy
| | - Giarita Ferraro
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia, I-80126, Napoli, Italy
| | - Federico Pisanu
- Dipartimento di Medicina, Chirurgia e Farmacia, Università di Sassari, Viale San Pietro, I-07100, Sassari, Italy
| | - Eugenio Garribba
- Dipartimento di Medicina, Chirurgia e Farmacia, Università di Sassari, Viale San Pietro, I-07100, Sassari, Italy
| | - Antonello Merlino
- Department of Chemical Sciences, University of Naples Federico II, Complesso Universitario di Monte Sant'Angelo, Via Cintia, I-80126, Napoli, Italy
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Sajid A, Rahman H, Ambudkar SV. Advances in the structure, mechanism and targeting of chemoresistance-linked ABC transporters. Nat Rev Cancer 2023; 23:762-779. [PMID: 37714963 DOI: 10.1038/s41568-023-00612-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/31/2023] [Indexed: 09/17/2023]
Abstract
Cancer cells frequently display intrinsic or acquired resistance to chemically diverse anticancer drugs, limiting therapeutic success. Among the main mechanisms of this multidrug resistance is the overexpression of ATP-binding cassette (ABC) transporters that mediate drug efflux, and, specifically, ABCB1, ABCG2 and ABCC1 are known to cause cancer chemoresistance. High-resolution structures, biophysical and in silico studies have led to tremendous progress in understanding the mechanism of drug transport by these ABC transporters, and several promising therapies, including irradiation-based immune and thermal therapies, and nanomedicine have been used to overcome ABC transporter-mediated cancer chemoresistance. In this Review, we highlight the progress achieved in the past 5 years on the three transporters, ABCB1, ABCG2 and ABCC1, that are known to be of clinical importance. We address the molecular basis of their broad substrate specificity gleaned from structural information and discuss novel approaches to block the function of ABC transporters. Furthermore, genetic modification of ABC transporters by CRISPR-Cas9 and approaches to re-engineer amino acid sequences to change the direction of transport from efflux to import are briefly discussed. We suggest that current information regarding the structure, mechanism and regulation of ABC transporters should be used in clinical trials to improve the efficiency of chemotherapeutics for patients with cancer.
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Affiliation(s)
- Andaleeb Sajid
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Hadiar Rahman
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Suresh V Ambudkar
- Laboratory of Cell Biology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
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Barbosa MDM, de Lima LMA, Alves WADS, de Lima EKB, da Silva LA, da Silva TD, Postal K, Ramadan M, Kostenkova K, Gomes DA, Nunes GG, Pereira MC, da Silva WE, Belian MF, Crans DC, Lira EC. In Vitro, Oral Acute, and Repeated 28-Day Oral Dose Toxicity of a Mixed-Valence Polyoxovanadate Cluster. Pharmaceuticals (Basel) 2023; 16:1232. [PMID: 37765040 PMCID: PMC10536805 DOI: 10.3390/ph16091232] [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: 06/21/2023] [Revised: 07/21/2023] [Accepted: 08/13/2023] [Indexed: 09/29/2023] Open
Abstract
Polyoxovanadates (POV) are a subgroup of polyoxometalates (POM), which are nanosized clusters with reported biological activities. This manuscript describes the first toxicity evaluation of a mixed-valence polyoxovanadate, pentadecavanadate, (Me4N)6[V15O36Cl], abbreviated as V15. Cytotoxicity experiments using peripheral blood mononuclear cells (PBMC), larvae of Artemia salina Leach, and in vivo oral acute and repeated 28-day doses in mice was carried out. The LC50 values in PBMC cells and A. salina were 17.5 ± 5.8 μmol L-1, and 17.9 µg L-1, respectively, which indicates high cytotoxic activity. The toxicity in mice was not observed upon acute exposure in a single dose, however, the V15 repeated 28-day oral administration demonstrated high toxicity using 25 mg/kg, 50 mg/kg and, 300 mg/kg doses. The biochemical and hematological analyses during the 28-day administration of V15 showed significant alteration of the metabolic parameters related to the kidney and liver, suggesting moderate toxicity. The V15 toxicity was attributed to the oxidative stress and lipid peroxidation, once thiobarbituric acid (TBAR) levels significantly increased in both males and females treated with high doses of the POV and also in males treated with a lower dose of the POV. This is the first study reporting a treatment-related mortality in animals acutely administrated with a mixed-valence POV, contrasting with the well-known, less toxic decavanadate. These results document the toxicity of this mixed-valence POV, which may not be suitable for biomedical applications.
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Affiliation(s)
- Mariana de M. Barbosa
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Lidiane M. A. de Lima
- Departamento de Química, Universidade Federal Rural de Pernambuco, Recife 52171-900, PE, Brazil; (L.M.A.d.L.); (W.E.d.S.); (M.F.B.)
| | - Widarlane A. da S. Alves
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Eucilene K. B. de Lima
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Luzia A. da Silva
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Thiago D. da Silva
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Kahoana Postal
- Centro Politécnico, Departamento de Química, Universidade Federal do Paraná, Curitiba 81530-900, PR, Brazil; (K.P.); (G.G.N.)
| | - Mohammad Ramadan
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA; (M.R.); (K.K.)
| | - Kateryna Kostenkova
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA; (M.R.); (K.K.)
| | - Dayane A. Gomes
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Giovana G. Nunes
- Centro Politécnico, Departamento de Química, Universidade Federal do Paraná, Curitiba 81530-900, PR, Brazil; (K.P.); (G.G.N.)
| | - Michelly C. Pereira
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
| | - Wagner E. da Silva
- Departamento de Química, Universidade Federal Rural de Pernambuco, Recife 52171-900, PE, Brazil; (L.M.A.d.L.); (W.E.d.S.); (M.F.B.)
| | - Mônica F. Belian
- Departamento de Química, Universidade Federal Rural de Pernambuco, Recife 52171-900, PE, Brazil; (L.M.A.d.L.); (W.E.d.S.); (M.F.B.)
| | - Debbie C. Crans
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA; (M.R.); (K.K.)
- Cell and Molecular Biology Program, Colorado State University, Fort Collins, CO 80523, USA
| | - Eduardo C. Lira
- Centro de Biociências, Departamento de Fisiologia e Farmacologia, Universidade Federal de Pernambuco, Recife 50670-901, PE, Brazil; (M.d.M.B.); (W.A.d.S.A.); (E.K.B.d.L.); (L.A.d.S.); (T.D.d.S.); (D.A.G.); (M.C.P.)
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