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Calvillo-Páez V, Plascencia-Jatomea M, Ochoa-Terán A, Del-Toro-Sánchez CL, González-Vega RI, González-Martínez SM, Ochoa Lara K. Tetrandrine Derivatives as Promising Antibacterial Agents. ACS OMEGA 2023; 8:28156-28164. [PMID: 37576675 PMCID: PMC10413380 DOI: 10.1021/acsomega.3c01368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 07/12/2023] [Indexed: 08/15/2023]
Abstract
This work reports on the antibacterial activity of two tetrandrine derivatives, with acridine (MAcT) and anthracene (MAnT) units, against Gram-positive and Gram-negative bacteria of clinical importance by the broth microdilution method as well as their antioxidant activity against ABTS•+ and DPPH•+ radicals. Unlike natural tetrandrine, its derivatives inhibited bacterial growth, showing selectivity against Staphylococcus aureus with notable activity of MAnT (MIC = 0.035 μg/mL); this compound also has good activity against the ABTS•+ radical (IC50 = 4.59 μg/mL). Cell membrane integrity studies and reactive oxygen species (ROS) detection by fluorescent stains helped to understand possible mechanisms related to antibacterial activity, while electrophoretic mobility assays showed that the derivatives can bind to bacterial DNA plasmid. The results indicate that MAnT can induce a general state of oxidative stress in S. aureus and Escherichia coli, while MAcT induces an oxidative response in S. aureus. Complementary electrochemical studies were included.
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Affiliation(s)
- Viviana
I. Calvillo-Páez
- Centro
de Graduados e Investigación en Química, Tecnológico Nacional de México, Campus Tijuana, CP 22444 Tijuana, B.C., México
| | - Maribel Plascencia-Jatomea
- Departamento
de Investigación y Posgrado en Alimentos, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Adrián Ochoa-Terán
- Centro
de Graduados e Investigación en Química, Tecnológico Nacional de México, Campus Tijuana, CP 22444 Tijuana, B.C., México
| | - Carmen L. Del-Toro-Sánchez
- Departamento
de Investigación y Posgrado en Alimentos, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Ricardo I. González-Vega
- Departamento
de Investigación y Posgrado en Alimentos, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Sandra M. González-Martínez
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000, Hermosillo, Sonora, México
| | - Karen Ochoa Lara
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000, Hermosillo, Sonora, México
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González-Martínez S, Valencia-Ochoa DP, Gálvez-Ruiz JC, Leyva-Peralta MA, Juárez-Sánchez O, Islas-Osuna MA, Calvillo-Páez VI, Höpfl H, Íñiguez-Palomares R, Rocha-Alonzo F, Ochoa Lara K. DNA-Binding Properties of Bis- N-substituted Tetrandrine Derivatives. ACS OMEGA 2022; 7:16380-16390. [PMID: 35601331 PMCID: PMC9118212 DOI: 10.1021/acsomega.2c00225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 04/20/2022] [Indexed: 06/15/2023]
Abstract
A series of bis-N-substituted tetrandrine derivatives carrying different aromatic substituents attached to both nitrogen atoms of the natural alkaloid were studied with double-stranded model DNAs (dsDNAs) to examine the binding properties and mechanism. Variable-temperature molecular recognition studies using UV-vis and fluorescence techniques revealed the thermodynamic parameters, ΔH, ΔS, and ΔG, showing that the tetrandrine derivatives exhibit high affinity toward dsDNA (K ≈ 105-107 M-1), particularly the bis(methyl)anthraquinone (BAqT) and bis(ethyl)indole compounds (BInT). Viscometry experiments, ethidium displacement assays, and molecular modeling studies enabled elucidation of the possible binding mode, indicating that the compounds exhibit a synergic interaction mode involving intercalation of one of the N-aryl substituents and interaction of the molecular skeleton in the major groove of the dsDNA. Cytotoxicity tests of the derivatives with tumor and nontumor cell lines demonstrated low cytotoxicity of these compounds, with the exception of the bis(methyl)pyrene (BPyrT) derivative, which is significantly more cytotoxic than the remaining derivatives, with IC50 values against the LS-180, A-549, and ARPE-19 cell lines that are similar to natural tetrandrine. Finally, complementary electrochemical characterization studies unveiled good electrochemical stability of the compounds.
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Affiliation(s)
- Sandra
Mónica González-Martínez
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro,
CP 83000 Hermosillo, Sonora, México
| | - Drochss Pettry Valencia-Ochoa
- Departamento
de Ciencias Naturales y Matemáticas, Facultad de Ingeniería
y Ciencias, Pontificia Universidad Javeriana, Calle 18 No. 118-250, CP 760031 Cali, Colombia
| | - Juan Carlos Gálvez-Ruiz
- Departamento
de Ciencias Químico Biológicas, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Mario Alberto Leyva-Peralta
- Departamento
de Ciencias Químico Biológicas y Agropecuarias, Universidad de Sonora, Ave. Universidad e Irigoyen s/n, CP 83621 H. Caborca, Sonora, México
| | - Octavio Juárez-Sánchez
- Departamento
de Investigación en Física, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - María A. Islas-Osuna
- Laboratorio
de Biología Biomolecular, Centro
de Investigación en Alimentación y Desarrollo, A. C., Gustavo Enrique Astiazaran Rosas,
No. 46., CP 83304 Hermosillo, Sonora, México
| | - Viviana Isabel Calvillo-Páez
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro,
CP 83000 Hermosillo, Sonora, México
| | - Herbert Höpfl
- Centro
de Investigaciones Químicas, Instituto de Investigación
en Ciencias Básicas y Aplicadas, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, CP 62209 Cuernavaca, Morelos, México
| | - Ramón Íñiguez-Palomares
- Departamento
de Física, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Fernando Rocha-Alonzo
- Departamento
de Ciencias Químico Biológicas, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro, CP 83000 Hermosillo, Sonora, México
| | - Karen Ochoa Lara
- Departamento
de Investigación en Polímeros y Materiales, Universidad de Sonora, Rosales y Encinas s/n, Col. Centro,
CP 83000 Hermosillo, Sonora, México
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