Anti-angiogenic Citrullus colocynthis fruit extract

Excerpt:


J Pharm Pharmacogn Res 7(5): 331-342, 2019. Original Article | Artículo Original Ethyl acetate extract of Citrullus colocynthis (Linn.) Schrad. fruit suppresses angiogenesis [Extracto de acetato de etilo del fruto de Citrullus colocynthis (Linn.) Schrad. suprime la angiogénesis] Mayuri Gaikwad1, Vaishali Shirsat1*, Mrunal Bulbule1, Samidha Kalekar2, Renuka Munshi2 1Department of Pharmaceutical Analysis, Bombay College of Pharmacy, Kalina, Santacruz (E), … Continue reading Anti-angiogenic Citrullus colocynthis fruit extract

J Pharm Pharmacogn Res 7(5): 331-342, 2019.

Original Article | Artículo Original

Ethyl acetate extract of Citrullus colocynthis (Linn.) Schrad. fruit suppresses angiogenesis

[Extracto de acetato de etilo del fruto de Citrullus colocynthis (Linn.) Schrad. suprime la angiogénesis]

Mayuri Gaikwad1, Vaishali Shirsat1*, Mrunal Bulbule1, Samidha Kalekar2, Renuka Munshi2

1Department of Pharmaceutical Analysis, Bombay College of Pharmacy, Kalina, Santacruz (E), Mumbai-400098, India.
2Department of Clinical Pharmacology, Topiwala National Medical College and B. Y. L Nair Charitable Hospital, Dr. A. L. Nair Road, Mumbai-400008, India.
Abstract

Context: Anti-angiogenesis is a targeted therapy that uses drugs or other substances to stop tumors from making new blood vessels. Citrullus colocynthis is a medicinal plant that has anticancer property mediated by apoptosis.

Aims: To evaluate the anti-angiogenic potential of C. colocynthis fruits extract through chorioallantoic membrane (CAM) assay.

Methods: For the CAM assay, heparin (an anti-angiogenic agent) was used as a positive control, and quercetin (Q) as the marker compound in the extracts to demonstrate the inhibition of angiogenesis. The reduction in the number of blood vessels in each area and in each image was used as a measure to determine the anti-angiogenic activity of the extract.

Results: From the results of phytochemical screening, the polyphenol and flavonoid contents of the ethyl acetate extract were 0.6708 mg equivalent of gallic acid per gram of the dry extract and 7.65 mg equivalent of Q per gram of the dry extract, respectively. From the results of CAM assay, Q caused marked reduction in the formation of new blood vessels. Similarly, ethyl acetate extract of C. colocynthis fruits (50 µg/mL) showed 53.52% inhibition of blood vessel formation in the CAM vasculature, whereas 25 µg/mL of Q exhibited 64.78% inhibition. The analysis with Bonferroni’s post-hoc test showed statistically significant difference at p<0.0001, with respect to the positive control, heparin. The EC50 values obtained by non-linear regression analysis using GraphPad Prism software 8.1.2 were 14.74 µg/mL (Q) and 44.13 µg/mL (ethyl acetate fruit extract of C. colocynthis).

Conclusions: Ethyl acetate extract of C. colocynthis fruits demonstrated potential angiogenesis suppression activity.

Keywords: angiogenesis suppression; chorioallantoic membrane assay; Citrullus colocynthis; cancer; quercetin.

Resumen

Contexto: La antiangiogénesis es una terapia dirigida que usa medicamentos u otras sustancias para evitar que los tumores produzcan nuevos vasos sanguíneos. Citrullus colocynthis es una planta medicinal que tiene propiedades anticancerígenas mediadas por la apoptosis.

Objetivos: Evaluar el potencial antiangiogénico del extracto de frutos de C. colocynthis mediante el ensayo de membrana corioalantoica (CAM).

Métodos: Para el ensayo de CAM, se utilizó heparina (un agente antiangiogénico) como control positivo, y quercetina (Q) como compuesto marcador en los extractos para demostrar la inhibición de la angiogénesis. La reducción en el número de vasos sanguíneos en cada área y en cada imagen se usó como una medida para determinar la actividad anti-angiogénica del extracto.

Resultados: A partir de los resultados del tamizaje fitoquímico, los contenidos de polifenoles y flavonoides del extracto de acetato de etilo fueron 0.6708 mg equivalentes de ácido gálico por gramo del extracto seco y 7.65 mg equivalentes de Q por gramo del extracto seco, respectivamente. A partir de los resultados del ensayo CAM, Q causó una reducción marcada en la formación de nuevos vasos sanguíneos. De manera similar, el extracto de acetato de etilo de frutos de C. colocynthis (50 µg/mL) mostró una inhibición del 53.52% de la formación de vasos sanguíneos en la vasculatura CAM, mientras que 25 µg/mL de Q mostraron una inhibición de 64.78%. El análisis con la prueba post hoc de Bonferroni mostró una diferencia estadísticamente significativa a p<0,0001, con respecto al control positivo, la heparina. Los valores de EC50 obtenidos por análisis de regresión no lineal utilizando el software GraphPad Prism 8.1.2 fueron 14.74 µg / mL (Q) y 44.13 µg/mL (extracto de acetato de etilo de C. colocynthis).

Conclusiones: El extracto de acetato de etilo de las frutas de C. colocynthis demostró una actividad potencial de supresión de la angiogénesis.

Palabras Clave: cáncer; Citrullus colocynthis; ensayo de membrana corioalantoica; quercetina; supresión de la angiogénesis.

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Citation Format: Gaikwad M, Shirsat V, Bulbule M, Kalekar S, Munshi R (2019) Ethyl acetate extract of Citrullus colocynthis (Linn.) Schrad. fruit suppresses angiogenesis. J Pharm Pharmacogn Res 7(5): 331–342.

© 2019 Journal of Pharmacy & Pharmacognosy Research (JPPRes)

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