Unravelling the epigenetic based mechanism in discovery of anticancer phytomedicine: Evidence based studies
Bushra Bashir1, Pranshul Sethi2, Satyajit Panda3
1School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144402, India.
Abstract:
Epigenetic mechanisms play a crucial role in the normal development and maintenance of tissue-specific gene expression patterns in mammals. Disruption of these processes can result in changes to gene function and the transformation of cells into a malignant state. Cancer is characterized by widespread alterations in the epigenetic landscape, revealing that it involves not only genetic mutations but also epigenetic abnormalities. Recent progress in the field of cancer epigenetics has demonstrated significant reprogramming of various components of the epigenetic machinery in cancer, such as DNA methylation, modifications to histones, positioning of nucleosomes, and the expression of non-coding RNAs, particularly microRNAs. The ability to reverse epigenetic abnormalities has given rise to the hopeful field of epigenetic therapy, which has shown advancement with the recent approval by the FDA of three drugs targeting epigenetic mechanisms for the treatment of cancer. In the present manuscript, a comprehensive review has been presented about the role of understanding the epigenetic link between cancer and mechanisms by which phytomedicine offers treatment avenues. Further, this review deciphers the significance of natural products in the identification of epigenetic therapeutics, the diversity of their molecular targets, the use of nanotechnology, and the creation of new strategies for overcoming the inherent clinical challenges associated with developing these drug leads.
Insights
Cancer involves epigenetic changes, not just genetic mutations. Phytomedicine, using natural products and nanotechnology, offers promising epigenetic therapy avenues for cancer treatment.
Area of Science:
- Molecular Biology
- Genetics
- Pharmacology
Background:
- Epigenetic mechanisms are vital for normal gene expression and tissue development.
- Disruptions in epigenetics contribute to cellular transformation and malignancy, defining cancer.
- Cancer exhibits widespread epigenetic landscape alterations, including DNA methylation and histone modifications.
Purpose of the Study:
- To review the epigenetic link between cancer and phytomedicine treatment mechanisms.
- To explore natural products as a source for epigenetic therapeutics.
- To discuss nanotechnology and strategies for overcoming challenges in developing phytomedicine-based epigenetic drugs.
Main Methods:
- Comprehensive literature review on cancer epigenetics and phytomedicine.
- Analysis of molecular targets of natural products in epigenetic regulation.
- Evaluation of nanotechnology applications in epigenetic drug delivery.
Main Results:
- Epigenetic reprogramming is a hallmark of cancer, involving DNA methylation, histone modifications, nucleosome positioning, and non-coding RNAs.
- Phytomedicine offers potential therapeutic strategies by targeting these epigenetic mechanisms.
- Natural products show diverse molecular targets for epigenetic drug discovery.
Conclusions:
- Understanding epigenetic alterations in cancer is crucial for developing novel therapies.
- Phytomedicine presents a promising avenue for epigenetic cancer treatment.
- Further research into natural products, nanotechnology, and clinical strategies is needed to advance epigenetic therapy.
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