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The bcl-2 and caspase-3 expression after purple sweet potato treatment on isoniazid and rifampicin-induced liver injury


Link of Video Abstract:


Backgrounds: Liver injury induced by antituberculosis drugs showed high proportions in many countries and might result in serious effects. Previous studies had proved the increase of reactive oxygen species formation and induction of apoptosis related to antituberculosis treatment. There has been no standard therapy for protecting the liver from damage related to antituberculosis. Purple sweet potato extract is one of natural sources that possess hepatoprotector action regarding its antioxidant activity. This research aimed to prove the action of purple sweet potato ethanol extract on apoptosis related to liver injury caused by antituberculosis.

Method: This research was an experimental study with randomized post-test only control group design. The samples were male rats (Rattus norvegicus) strain Wistar, age 8-12 weeks, weight 150-200 grams (divided into two groups: control and experimental group). Purple sweet potato ethanol extract was prepared with maceration technique. The measurement of bcl-2 and caspase-3 expression was conducted with ELISA method. Data analysis was performed using independent t-test.

Results: Our study result revealed that the liver expression of bcl-2 in treatment group was significantly higher than control group (15.83 ± 3.14 vs. 12.11 ± 1.53), whereas the liver expression of caspase-3 in treatment group was significantly lower than control group (1.96 ± 0.38 vs. 2.41 ± 0.30; p < 0.05).

Conclusion: Purple sweet potato extract potentially protects the liver from apoptosis induced by antituberculosis.


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How to Cite

Artini, I. G. A., Astuti, K. W., Trapika, I. G. M. G. S. C., & Indrayani, A. W. (2023). The bcl-2 and caspase-3 expression after purple sweet potato treatment on isoniazid and rifampicin-induced liver injury . Bali Medical Journal, 12(2), 1204–1210.




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I Gusti Ayu Artini
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Ketut Widyani Astuti
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I Gusti Made Gede Surya Chandra Trapika
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Agung Wiwiek Indrayani
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