Cited by 11Synthesis and pharmacology of benzodiazepine derivativesParkinson's Disease Mechanisms and TreatmentsSynthesis and biological activity

1,5-Benzodiazepin-2(3H)-ones: In Vitro Evaluation as Antiparkinsonian Agents

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Ortíz de Zárate, Ana, Pérez-Torralba, Marta, Bonet Isidro, Iñigo, López, Concepción, Claramunt, Rosa M., Martínez-Casanova, Diana, Sánchez-Vera, Isabel, Jiménez-González, Jesús +1 more·2021·Antioxidants

Abstract

A new series of twenty-three 1,5-benzodiazepin-2(3H)-ones were synthesized and evaluated in the 2,2′-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid (ABTS), ferric reducing antioxidant power (FRAP), and 2,2-diphenyl-1-picrylhydrazyl (DPPH) assays as a new chemotype with antioxidant and good drug-like properties. All of the derivatives showed low cytotoxicity in comparison to curcumin against the human neuroblastoma SH-SY5Y and the human hepatoma HepG2 cell lines. Experimental solubility in bio-relevant media showed a good relationship with melting points in this series. Five compounds with the best antioxidant properties showed neuroprotectant activity against H2O2-induced oxidative stress in the SH-SY5Y cell line. From them, derivatives 4-phenyl-1H-1,5-benzodiazepin-2(3H)-one (18) and 4-(3,4,5-trimethoxyphenyl)-1H-1,5-benzodiazepin-2(3H)-one (20) yielded good neuroprotection activity in the same neuronal cell line under 6-OHD and MPP+ insults as in vitro models of mitochondrial dysfunction and oxidative stress in Parkinson’s disease (PD). Both compounds also demonstrated a significant reduction of intracellular Reactive Oxygen Species (ROS) and superoxide levels, in parallel with a good improvement of the Mitochondrial Membrane Potential (ΔΨm). Compared with curcumin, compound 18 better reduced lipid peroxidation levels, malondialdehyde (MDA), in SH-SY5Y cells under oxidative stress pressure and recovered intracellular glutathione synthetase (GSH) levels. Apoptosis and caspase-3 levels of SH-SY5Y under H2O2 pressure were also reduced after treatment with 18. Neuroprotection in neuron-like differentiated SH-SY5Y cells was also achieved with 18. In summary, this family of 1,5-benzodiazepin-2-ones with an interesting antioxidant and drug-like profile, with low cytotoxic and good neuroprotectant activity, constitutes a new promising chemical class with high potential for the development of new therapeutic agents against PD.

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  1. [82]Riss T.L. Moravec R.A. Niles A.L. Cell Viability Assays Eli Lilly & Company and the National Center for Advancing Translational Sciences Bethesda, MD, USA 2013 23805433
  2. [97]Science of Synthesis: Houben-Weyl Methods of Molecular Transformations Thieme New York, NY, USA 2001
  3. [117]Strukul G. Catalytic Oxidations with Hydrogen Catalysis by Metal Complexes Springer Berlin/Heidelberg, Germany 1992 9789048141630

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Authors
Ortíz de Zárate, A., Pérez-Torralba, M., Bonet Isidro, I., López, C., Claramunt, R. M., Martínez-Casanova, D., Sánchez-Vera, I., Jiménez-González, J., & Lavandera, J. L.
Affiliations
  • Instituto de Medicina Molecular Aplicada (IMMA), Facultad de Medicina, Universidad San Pablo-CEU, CEU Universities, Campus de Montepríncipe, E-28668 Madrid, Spain
  • Departamento de Química Orgánica y Bio-Orgánica, Facultad de Ciencias, Universidad Nacional de Educación a Distancia (UNED), Paseo Senda del Rey 9, E-28040 Madrid, Spain
  • Universidad Nacional de Educación a Distancia (ES)
  • Universidad San Pablo CEU (ES)
Corresponding author
Claramunt, Rosa M.
Venue
Antioxidants
Publisher
MDPI AG
Published
2021-10-09
Volume
10
Issue
10
Pages
1584
ISSN
2076-3921 (ISSN-L)
OpenAlex
W3205468968
Cited by
11
References
182
Citations by year
2026: 2 · 2025: 5 · 2024: 1 · 2023: 1 · 2022: 2
FWCI
0.40
Type
journal article
Language
en
Open access
Locations
  • Antioxidants (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • CEU Repositorio Institucional (Fundación Universitaria San Pablo CEU) (submittedVersion, cc-by-nc-nd)
Funders
  • Ministerio de Educación, Cultura y Deporte of Spain (PRX15/00567)
  • Ministerio de Economía y Competitividad of Spain (CTQ2014-56833-R)
Topics
  • Physical Sciences › Chemistry › Organic Chemistry › Synthesis and pharmacology of benzodiazepine derivatives
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Physical Sciences › Chemistry › Organic Chemistry › Synthesis and biological activity
Keywords
antiparkinsonian drugs, Parkinson's disease, neuroprotection, antioxidant activity, oxidative stress, mitochondrial dysfunction, reactive oxygen species, superoxide, mitochondrial membrane potential, lipid peroxidation, glutathione, caspase-3, apoptosis, SH-SY5Y cells, MPP+, 6-hydroxydopamine, curcumin

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