Evaluation of the Anti-cancer Effect of Syzygium cumini Ethanolic Extract on HT-29 Colorectal Cell Line
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Introduction: GLOBOCAN 2018 data indicates the incidence and mortality of colorectal cancer that is the third lethal and fourth most diagnosed cancer in the world. There has been significant progress in cancer therapy while the ability of cancerous cells to survive is one of the main challenges in cancer research. Still, conventional therapies like surgery, chemo, and radiotherapy are widely used options. Therefore, efforts put in action by researchers in the field of drug design, molecular genetics, and biomedicine to come across safer substances with the minimum unwanted side effects to be utilized in cancer treatment. Plant-derived compounds are ideal options as they might have a better outcome with minimal side effects.
Methods: In the current research, the anti-cancer effect of Syzygium cumini ethanolic extract (SCE) was evaluated on the HT-29 colorectal cancer cell line. To this end, the apoptosis rate and proliferation of HT-29 cell lines after exposure to SCE were investigated through MTT, and other methods including DNA damage assessment and scratch test also employed to evaluate the metastasis and cell migration capacity of HT-29 after treatment with SCE. Behind that, expression ration of genes involved in the process of apoptosis has been studied, including Bax and Bcl-2 that were measured by qRT-PCR.
Results: Based on the MTT test, SCE suppresses the growth of HT-29 cell lines drastically. Expression analysis of the ratio of desired genes (Bax: Bcl-2) also changed significantly after treatment by SCE. DNA damage test confirmed DNA lost its integrity and gone through apoptosis, and wound healing suggests the lower change of metastasis after treatment by SCE.
Conclusion: The outcome of this study suggests that Syzygium cumini might be contemplating as a future chemotherapeutic agent and suitable candidate for in vivo trial.
Keywords: Apoptosis; Bax; Bcl2; Chemotherapeutic agent; Colorectal cancer; Syzygium cumini.
