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Published on: February 22, 2020
Role of ion channels in natural killer cell function towards cancer
John Redmond1,2, Debbie O'Rilley1,3, Paul Buchanan1,3
1School of Nursing and Human Science, Dublin City University, Glasnevin, Dublin 9, Ireland.
Abstract:
Progression of cancer to advanced states is associated with treatment resistance and metastatic spread -- features that are linked to poor prognosis and patient mortality. Investigations into potential new treatments to reduce cancer spread are ongoing, with immunotherapy generating much interest. Natural killer (NK) cells are part of the body's innate immune system and are known for their ability to target and lyse cancer cells. Ion channels have previously been linked to the growth and development of tumors, but recent research suggests that these channels may also serve to alter immune cell functioning. This review examines the current understanding as to the role of ion channels in NK cells and how manipulation of these channels may increase NK effectiveness in targeting and removing cancer cells. With a large number of existing FDA-approved drugs targeting ion channels, potential exists for drug repurposing in order to improve immunotherapy and thus patient outcomes.
Insights
This review explores how ion channels in natural killer (NK) cells can be manipulated to enhance cancer immunotherapy. Targeting these channels may improve NK cell effectiveness against advanced cancers.
Area of Science:
- Immunology
- Oncology
- Cell Biology
Background:
- Advanced cancer stages often exhibit treatment resistance and metastasis, leading to poor patient prognosis.
- Immunotherapy is a promising area for novel cancer treatments, with natural killer (NK) cells showing potential due to their cytotoxic capabilities.
- Ion channels, previously linked to tumor growth, are now recognized for their role in modulating immune cell function.
Purpose of the Study:
- To review the current understanding of ion channel roles within NK cells.
- To explore the potential of manipulating NK cell ion channels to improve cancer immunotherapy efficacy.
- To identify opportunities for drug repurposing to enhance NK cell-mediated cancer treatment.
Main Methods:
- Literature review of existing research on ion channels and NK cell function in cancer.
- Analysis of studies investigating the impact of ion channel modulation on NK cell activity.
- Examination of potential therapeutic strategies involving ion channel targets.
Main Results:
- Ion channels play a significant role in regulating NK cell activity, including cytotoxicity and migration.
- Modulation of specific ion channels can enhance NK cell anti-cancer functions.
- Existing FDA-approved drugs targeting ion channels present possibilities for repurposing in cancer immunotherapy.
Conclusions:
- Targeting ion channels in NK cells offers a viable strategy to overcome treatment resistance in advanced cancers.
- Drug repurposing of ion channel modulators could significantly improve NK cell-based immunotherapy outcomes.
- Further research into ion channel function in NK cells is crucial for developing next-generation cancer therapies.
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