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7 Results Found

  • Article
  • Open Access
5 Citations
2,739 Views
18 Pages

Synthesis, Neuroprotection, and Antioxidant Activity of 1,1′-Biphenylnitrones as α-Phenyl-N-tert-butylnitrone Analogues in In Vitro Ischemia Models

  • Beatriz Chamorro,
  • David García-Vieira,
  • Daniel Diez-Iriepa,
  • Estíbaliz Garagarza,
  • Mourad Chioua,
  • Dimitra Hadjipavlou-Litina,
  • Francisco López-Muñoz,
  • José Marco-Contelles and
  • María Jesús Oset-Gasque

20 February 2021

Herein, we report the neuroprotective and antioxidant activity of 1,1′-biphenyl nitrones (BPNs) 1–5 as α-phenyl-N-tert-butylnitrone analogues prepared from commercially available [1,1′-biphenyl]-4-carbaldehyde and [1,1′-biphenyl]-4,4′-dicarbaldehyde....

  • Article
  • Open Access
10 Citations
3,449 Views
20 Pages

Homo-Tris-Nitrones Derived from α-Phenyl-N-tert-butylnitrone: Synthesis, Neuroprotection and Antioxidant Properties

  • Daniel Diez-Iriepa,
  • Beatriz Chamorro,
  • Marta Talaván,
  • Mourad Chioua,
  • Isabel Iriepa,
  • Dimitra Hadjipavlou-Litina,
  • Francisco López-Muñoz,
  • José Marco-Contelles and
  • María Jesús Oset-Gasque

26 October 2020

Herein we report the synthesis, antioxidant and neuroprotective power of homo-tris-nitrones (HTN) 1-3, designed on the hypothesis that the incorporation of a third nitrone motif into our previously identified homo-bis-nitrone 6 (HBN6) would result in...

  • Review
  • Open Access
8 Citations
2,327 Views
30 Pages

The recent advances in research on the use of the antioxidant and neuroprotective agent α-phenyl-N-tert-butylnitrone (PBN) for the therapy of stroke have been reviewed. The protective effect of PBN in the transient occlusion of the middle cereb...

  • Article
  • Open Access
4 Citations
5,754 Views
16 Pages

27 February 2014

Ischemia, and subsequent acidosis, induces neuronal death following brain injury. Oxidative stress is believed to be a key component of this neuronal degeneration. Acute chemical ischemia (azide in the absence of external glucose) and acidosis (exter...

  • Article
  • Open Access
7 Citations
2,296 Views
18 Pages

Neuroprotective and Antioxidant Properties of CholesteroNitrone ChN2 and QuinolylNitrone QN23 in an Experimental Model of Cerebral Ischemia: Involvement of Necrotic and Apoptotic Cell Death

  • Beatriz Chamorro,
  • Sara Izquierdo-Bermejo,
  • María Dolores Martín-de-Saavedra,
  • Francisco López-Muñoz,
  • Mourad Chioua,
  • José Marco-Contelles and
  • María Jesús Oset-Gasque

Ischemic stroke is the leading cause of disability and the second leading cause of death worldwide. However, current therapeutic strategies are scarce and of limited efficacy. The abundance of information available on the molecular pathophysiology of...

  • Article
  • Open Access
5 Citations
3,503 Views
21 Pages

Nucleobase-Derived Nitrones: Synthesis and Antioxidant and Neuroprotective Activities in an In Vitro Model of Ischemia–Reperfusion

  • Beatriz Chamorro,
  • Iwona E. Głowacka,
  • Joanna Gotkowska,
  • Rafał Gulej,
  • Dimitra Hadjipavlou-Litina,
  • Francisco López-Muñoz,
  • José Marco-Contelles,
  • Dorota G. Piotrowska and
  • María Jesús Oset-Gasque

Herein, we report the synthesis, antioxidant, and neuroprotective properties of some nucleobase-derived nitrones named 9a–i. The neuroprotective properties of nitrones, 9a–i, were measured against an oxygen-glucose-deprivation in vitro is...

  • Article
  • Open Access
15 Citations
4,653 Views
17 Pages

Insights into the Antioxidant Mechanism of Newly Synthesized Benzoxazinic Nitrones: In Vitro and In Silico Studies with DPPH Model Radical

  • Stefania Marano,
  • Cristina Minnelli,
  • Lorenzo Ripani,
  • Massimo Marcaccio,
  • Emiliano Laudadio,
  • Giovanna Mobbili,
  • Adolfo Amici,
  • Tatiana Armeni and
  • Pierluigi Stipa

Synthetic nitrone spin-traps are being explored as therapeutic agents for the treatment of a wide range of oxidative stress-related pathologies, including but not limited to stroke, cancer, cardiovascular, and neurodegenerative diseases. In this cont...