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Using In Vitro Live-cell Imaging to Explore Chemotherapeutics Delivered by Lipid-based Nanoparticles
Published on: November 1, 2017
Getting Lost in the Cell-Lysosomal Entrapment of Chemotherapeutics
Xingjian Zhai1, Yassine El Hiani1
1Department of Physiology and Biophysics, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada.
Abstract:
Despite extensive research, resistance to chemotherapy still poses a major obstacle in clinical oncology. An exciting strategy to circumvent chemoresistance involves the identification and subsequent disruption of cellular processes that are aberrantly altered in oncogenic states. Upon chemotherapeutic challenges, lysosomes are deemed to be essential mediators that enable cellular adaptation to stress conditions. Therefore, lysosomes potentially hold the key to disarming the fundamental mechanisms of chemoresistance. This review explores modes of action of classical chemotherapeutic agents, adaptive response of the lysosomes to cell stress, and presents physiological and pharmacological insights pertaining to drug compartmentalization, sequestration, and extracellular clearance through the lens of lysosomes.
Insights
Lysosomes help cells adapt to chemotherapy stress, offering a new way to overcome drug resistance by controlling how cancer drugs are stored and removed. This research explores how lysosomes can be targeted to improve cancer treatment.
Area of Science:
- Oncology
- Cell Biology
- Pharmacology
Background:
- Chemotherapy resistance remains a significant challenge in cancer treatment.
- Cellular adaptation mechanisms are crucial for understanding and overcoming drug resistance.
- Lysosomes play a vital role in cellular stress response and adaptation.
Purpose of the Study:
- To explore the role of lysosomes in cellular adaptation to chemotherapeutic stress.
- To investigate how lysosomes mediate chemoresistance through drug handling.
- To present insights into targeting lysosomal functions to circumvent chemotherapy resistance.
Main Methods:
- Review of existing literature on chemotherapy mechanisms.
- Analysis of lysosomal adaptive responses to cellular stress.
- Examination of physiological and pharmacological roles of lysosomes in drug sequestration and clearance.
Main Results:
- Lysosomes are essential mediators of cellular adaptation under chemotherapeutic challenges.
- Lysosomal functions such as drug compartmentalization, sequestration, and extracellular clearance are key to chemoresistance.
- Understanding these lysosomal mechanisms provides a basis for novel therapeutic strategies.
Conclusions:
- Lysosomes represent a promising target for overcoming chemotherapy resistance.
- Disrupting aberrant lysosomal processes in cancer cells could enhance treatment efficacy.
- Further research into lysosome-targeted therapies is warranted for clinical oncology.
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