Hepatoprotective effects of Talinum portulacifolium and 2-piperidone

Excerpt:


J Pharm Pharmacogn Res 7(4): 234-245, 2019. Original Article | Artículo Original Hepatoprotective activity of 2-piperidone isolated from leaf extracts of Talinum portulacifolium (Forssk.) Asch. ex Schweinf in carbon tetrachloride induced hepatotoxicity [Actividad hepatoprotectora de 2-piperidona aislada de extractos de hojas de Talinum portulacifolium (Forssk.) Asch. ex Schweinf en hepatotoxicidad inducida por tetracloruro de carbono] Vani Mamillapalli1,2*, Abdul Rahaman … Continue reading Hepatoprotective effects of Talinum portulacifolium and 2-piperidone

J Pharm Pharmacogn Res 7(4): 234-245, 2019.

Original Article | Artículo Original

Hepatoprotective activity of 2-piperidone isolated from leaf extracts of Talinum portulacifolium (Forssk.) Asch. ex Schweinf in carbon tetrachloride induced hepatotoxicity

[Actividad hepatoprotectora de 2-piperidona aislada de extractos de hojas de Talinum portulacifolium (Forssk.) Asch. ex Schweinf en hepatotoxicidad inducida por tetracloruro de carbono]

Vani Mamillapalli1,2*, Abdul Rahaman Shaik3, Prameela Rani Avula4

1Department of Pharmacy, Jawaharlal Nehru Technological University, Kakinada, Pin code 533003, East Godavari (Dt.), Andhra Pradesh, India.
2Department of Pharmacognosy & Phytochemistry, Vijaya Institute of Pharmaceutical Sciences for Women, Enikepadu, Pin code 521108, Vijayawada, Krishna (Dt.), Andhra Pradesh, India.
3Department of Medicinal Chemistry, Nirmala College of Pharmacy, Atmakur, Mangalagiri, Pin code 522503, Guntur (Dt.), Andhra Pradesh, India.
4Department of Pharmaceutics, Acharya Nagarjuna University, Nagarjuna Nagar, Pin code 522510, Guntur, Andhra Pradesh, India.

*E-mail: majidas102@yahoo.com

Abstract

Context: Liver disorders have become a common problem worldwide. The drugs available currently for the treatment are few with serious side effects. Since phytochemicals have proven to be potential therapeutic agents, an attempt has been made to screen novel hepatoprotective agents from the leaves of the medicinally ignored plant Talinum portulacifolium.

Aims: To evaluate the phytoconstituents of Talinum portulacifolium responsible for hepatoprotective activity in carbon tetrachloride-induced hepatotoxicity models both in vitro and in vivo.

Methods: The hepatic damage was assessed in vitro by serum marker enzymes alanine aminotransferase, aspartate aminotransferase, and alkaline phosphatase followed by in vivo histopathological examination.

Results: The results of the study indicate that the plant hydroalcoholic and acetone extracts at 500 mg/kg and compound 2-piperidone at 0.5 mg/kg exhibited equipotent results in the reduction of biochemical marker enzymes (p<0.01. p<0.05 and p<0.001) significantly compared to standard drug silymarin. The histopathological studies further supported that compound 2-piperidone showed better regeneration of damaged hepatocytes compared to standard. The possible mechanism of action may be due to inhibition of cytochrome P450 2E induced endoplasmic reticulum and oxidative stress.

Conclusions: The present study reveals that the hepatoprotective activity of leaf hydroalcoholic and acetone extracts may be due to the presence of 2-piperidone. As it showed equipotent potential to standard drug silymarin, it can be further developed as a hepatoprotective drug.

Keywords: hepatoprotective; 2-piperidone; Talinum portulacifolium.

Resumen

Contexto: Los trastornos hepáticos se han convertido en un problema común en todo el mundo. Los medicamentos disponibles actualmente para el tratamiento son pocos con efectos secundarios graves. Dado que los fitoquímicos han demostrado ser agentes terapéuticos potenciales, se ha intentado seleccionar nuevos agentes hepatoprotectores de las hojas de Talinum portulacifolium.

Objetivos: Evaluar los fitoconstituyentes de Talinum portulacifolium responsables de la actividad hepatoprotectora en modelos de hepatotoxicidad inducida por tetracloruro de carbono tanto in vitro como in vivo.

Métodos: El daño hepático se evaluó in vitro mediante las enzimas marcadoras séricas alanina aminotransferasa, aspartato amino-transferasa y fosfatasa alcalina, seguido de un examen histopatológico in vivo.

Resultados: Los resultados del estudio indican que los extractos hidroalcohólicos y de acetona de la planta a 500 mg/kg y el compuesto 2-piperidona a 0,5 mg/kg mostraron resultados significativos (p<0,01. p<0,05 y p<0,001) equipotentes en la reducción de las enzimas marcadoras bioquímicas en comparación con la droga estándar de silimarina. Los estudios histopatológicos respaldaron además que el compuesto 2-piperidona mostró una mejor regeneración de hepatocitos dañados en comparación con el estándar. El posible mecanismo de acción puede deberse a la inhibición del retículo endoplásmico inducido por el citocromo P450 2E y al estrés oxidativo.

Conclusiones: El presente estudio revela que la actividad hepatoprotectora de los extractos hidroalcohólicos y de acetona de las hojas puede deberse a la presencia de 2-piperidona. Como mostró un potencial equipotente a la silimarina estándar, pudiera desarrollarse como un fármaco hepatoprotector.

Palabras Clave: hepatoprotector; 2-piperidona; Talinum portulacifolium.

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Citation Format: Mamillapalli V, Shaik AR, Avula PR (2019) Hepatoprotective activity of 2-piperidone isolated from leaf extracts of Talinum portulacifolium (Forssk.) Asch. ex Schweinf in carbon tetrachloride induced hepatotoxicity. J Pharm Pharmacogn Res 7(4): 234–245.

© 2019 Journal of Pharmacy & Pharmacognosy Research (JPPRes)

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