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Targeted Delivery of Therapeutics to Urological Cancer Stem Cells
Abstract:
Urological cancer refers to cancer in organs of the urinary system and the male reproductive system. It mainly includes prostate cancer, bladder cancer, renal cancer, etc., seriously threatening patients' survival. Although there are many advances in the treatment of urological cancer, approved targeted therapies often result in tumor recurrence and therapy failure. An increasing amount of evidence indicated that cancer stem cells (CSCs) with tumor-initiating ability were the source of treatment failure in urological cancer. The development of CSCstargeted strategy can provide a possibility for the complete elimination of urological cancer. This review is based on a search of PubMed, Google scholar and NIH database (http://ClinicalTrials.gov/) for English language articles containing the terms: "biomarkers", "cancer stem cells", "targeting/targeted therapy", "prostate cancer", bladder cancer" and "kidney cancer". We summarized the biomarkers and stem cell features of the prostate, bladder and renal CSCs, outlined the targeted strategies for urological CSCs from signaling pathways, cytokines, angiogenesis, surface markers, elimination therapy, differentiation therapy, immunotherapy, microRNA, nanomedicine, etc., and highlighted the prospects and future challenges in this research field.
Insights
Targeting cancer stem cells (CSCs) offers a promising strategy to overcome treatment failure and recurrence in urological cancers like prostate, bladder, and kidney cancer. Research focuses on CSC biomarkers and novel targeted therapies for complete tumor elimination.
Area of Science:
- Uro-oncology
- Cancer Stem Cell Biology
- Translational Oncology
Background:
- Urological cancers, including prostate, bladder, and kidney cancer, pose significant survival threats.
- Current targeted therapies often lead to tumor recurrence and treatment failure.
- Cancer stem cells (CSCs) are increasingly recognized as the root cause of treatment failure in urological malignancies.
Purpose of the Study:
- To review biomarkers and stem cell features of CSCs in prostate, bladder, and kidney cancer.
- To outline targeted strategies for eliminating urological CSCs.
- To highlight future prospects and challenges in CSC-targeted therapy for urological cancers.
Main Methods:
- Comprehensive literature search of PubMed, Google Scholar, and NIH databases.
- Inclusion of English language articles focusing on biomarkers, CSCs, and targeted therapies.
- Systematic review and synthesis of findings related to urological CSCs.
Main Results:
- Summary of key biomarkers and stem cell characteristics specific to prostate, bladder, and renal CSCs.
- Overview of diverse targeted strategies including signaling pathways, cytokines, angiogenesis, surface markers, and various therapy types (elimination, differentiation, immunotherapy, nanomedicine).
- Identification of microRNAs as potential therapeutic targets.
Conclusions:
- Targeting CSCs presents a viable strategy for the complete eradication of urological cancers.
- Further research into CSC biomarkers and advanced targeted therapies is crucial.
- Addressing future challenges will pave the way for more effective urological cancer treatments.
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