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Updated: May 15, 2026

Evaluating the Effectiveness of Cancer Drug Sensitization In Vitro and In Vivo
Published on: February 6, 2015
Nanotechnology-enhanced Natural Products for Cancer Chemoprevention: Molecular Mechanisms and Clinical Translation
Rajat Nath1, Sibashish Kityania2, Deepa Nath3
1Department of Biotechnology and Microbiology, Techno India University, Tripura, Agartala, India.
Abstract:
Cancer remains a major global health challenge. Natural compounds, such as curcumin, resveratrol, genistein, thymoquinone, and paclitaxel, show chemopreventive activity by modulating signaling pathways, including PI3K/Akt, NF-κB, and p53. These agents also promote apoptosis, autophagy, and DNA repair. However, their clinical use is restricted by poor solubility, instability, and low bioavailability. Nanotechnology offers solutions by improving stability, enhancing pharmacokinetics, and enabling targeted delivery. Liposomes, polymeric nanoparticles, dendrimers, and albumin-bound systems amplify the anticancer effects of natural compounds. Preclinical studies confirm improved efficacy, while early clinical trials reveal both promise and barriers. The key translational challenges include immune clearance, large-scale reproducibility, and regulatory approval. This review highlights the synergy between nanotechnology and natural compounds in cancer chemoprevention and outlines opportunities for future research.
Insights
Natural compounds show promise in cancer prevention by targeting key pathways. Nanotechnology enhances their delivery and effectiveness, overcoming bioavailability issues for improved cancer treatment strategies.
Area of Science:
- Oncology and Nanomedicine
- Natural Product Chemistry
- Molecular Biology
Background:
- Cancer is a significant global health concern.
- Natural compounds like curcumin and resveratrol exhibit anticancer properties by influencing critical signaling pathways (PI3K/Akt, NF-κB, p53).
- These natural agents can induce apoptosis, autophagy, and DNA repair mechanisms.
Purpose of the Study:
- To review the synergistic potential of nanotechnology and natural compounds in cancer chemoprevention.
- To explore how nanotechnology can overcome the limitations of natural compounds in clinical applications.
- To identify future research directions and translational challenges.
Main Methods:
- Review of preclinical and clinical studies on nanocarrier-based delivery of natural compounds for cancer.
- Analysis of various nanocarrier systems including liposomes, polymeric nanoparticles, dendrimers, and albumin-bound nanoparticles.
- Examination of the impact on pharmacokinetic properties, stability, and targeted delivery.
Main Results:
- Nanotechnology significantly improves the solubility, stability, and bioavailability of natural anticancer compounds.
- Nanoparticle formulations enhance the chemopreventive efficacy of natural agents through improved pharmacokinetics and targeted delivery.
- Preclinical data show enhanced anticancer effects, while early clinical trials indicate both potential and challenges.
Conclusions:
- The combination of nanotechnology and natural compounds offers a promising strategy for cancer chemoprevention.
- Overcoming challenges such as immune clearance, scalability, and regulatory hurdles is crucial for clinical translation.
- Further research is needed to fully realize the therapeutic potential of these synergistic approaches.
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