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Desarrollo de Fármacos

Pragati Silakari1, Aditi Yadav1, Poonam Piplani2

  • 1Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
PubMed
Resumen

Un nuevo compuesto, P-1, muestra una potente inhibición selectiva de la acetilcolinesterasa (AChE) y actividad antioxidante, restaurando eficazmente la memoria en el Alzheimer

Palabras clave:
desarrollo de fármacosinhibidores de la acetilcolinesterasacompuesto P-1enfermedad de Alzheimerterapia de memoriaantioxidantesquímica medicinalneuroprotección

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Área de la Ciencia:

  • Química Medicinal y Farmacología; Neurociencia y Enfermedades Neurodegenerativas

Sus antecedentes:

  • La enfermedad de Alzheimer (EA) se caracteriza por el deterioro cognitivo, en parte debido a la disfunción del sistema colinérgico y al estrés oxidativo.; Las nuevas estrategias terapéuticas dirigidas a la acetilcolinesterasa (AChE) y que poseen propiedades antioxidantes son cruciales para el manejo de la EA.; Se investigó el compuesto sintetizado 2,5-Bis(4-fenetilpiperazin-1-il)-1,4-benzoquinona (P-1) por su potencial en el tratamiento de la EA.

Objetivo del estudio:

  • Sintetizar y caracterizar un nuevo derivado de benzoquinona, P-1.; Evaluar el potencial inhibidor in vitro y ex vivo de la acetilcolinesterasa (AChE) y la butirilcolinesterasa (BChE) de P-1.; Evaluar la capacidad antioxidante y los efectos de restauración de la memoria de P-1 en un modelo animal de demencia.

Principales métodos:

  • Síntesis y caracterización espectral de P-1.; Ensayos de inhibición enzimática in vitro (AChE, BChE) y ensayos de antioxidantes (eliminación de DPPH, H2O2).; Estudios conductuales in vivo utilizando el modelo de demencia inducida por escopolamina en ratones, evaluando la memoria y las funciones cognitivas, junto con la inhibición ex vivo de la AChE y el análisis de marcadores de estrés oxidativo.

Principales resultados:

  • P-1 demostró una inhibición selectiva de la AChE (IC50: 8.055 µM) con un alto índice de selectividad (1.067) y un potencial antioxidante significativo.; Los estudios conductuales mostraron que P-1 restauró la memoria en ratones tratados con escopolamina, de acuerdo con la inhibición ex vivo de la AChE y los resultados de docking.; El análisis bioquímico indicó que P-1 mitigó el daño oxidativo inducido por escopolamina al modular los niveles de peroxidación lipídica, glutatión, catalasa y superóxido dismutasa.

Conclusiones:

  • El compuesto sintetizado P-1 exhibe prometedores efectos de restauración de la memoria en un modelo de demencia.; Estos efectos probablemente están mediados por una potente y selectiva inhibición de la AChE y una actividad antioxidante significativa.; P-1 representa un compuesto líder potencial para el desarrollo de nuevos agentes terapéuticos para la enfermedad de Alzheimer.