Advances in cancer stem cell targeting: How to strike the evil at its root

Brigitte M Pützer1, Manish Solanki1, Ottmar Herchenröder1

  • 1Institute of Experimental Gene Therapy and Cancer Research, Biomedical Research Center (BMFZ), Rostock University Medical School, Germany.

Insights

Targeting cancer stem cells (CSCs) is crucial for combating metastasis. Novel therapies focus on CSC markers and advanced delivery systems to improve anti-cancer treatment outcomes.

Area of Science:

  • Oncology
  • Cancer Biology
  • Therapeutics

Background:

  • Metastatic cancer remains a significant clinical challenge, with unmet needs in effective anti-metastatic therapies.
  • Cancer stem cells (CSCs) are implicated in tumor initiation, metastasis, and therapeutic resistance, highlighting them as critical therapeutic targets.

Purpose of the Study:

  • To review current and emerging therapeutic strategies targeting cancer stem cells (CSCs) for managing metastatic cancer.
  • To explore novel drug delivery systems for enhancing the efficacy of anti-CSC therapies.

Main Methods:

  • Review of recent scientific literature on CSC-targeted therapies.
  • Analysis of therapeutic agents including antibody derivatives, nucleic therapeutics, small molecules, and genetic payloads.
  • Evaluation of viral and non-viral vector technologies for targeted drug delivery.

Main Results:

  • Targeted therapies are being developed to address CSC-specific internal and membrane markers.
  • Advanced delivery systems, including viral and non-viral vectors, show promise for precise therapeutic agent transport.
  • Significant progress has been made, but challenges in effectively combating CSCs persist.

Conclusions:

  • Targeting CSCs represents a promising avenue for developing novel anti-metastatic therapies.
  • Innovations in drug development and delivery systems are essential for overcoming CSC-mediated cancer progression.
  • Further research is needed to address remaining challenges and translate these strategies into clinical practice.

Related Concept Videos

Cancer Stem Cells and Tumor Maintenance02:40

Cancer Stem Cells and Tumor Maintenance

Early diagnosis and treatment can often cure cancer. However, even with treatment, residual cells called cancer stem cells (CSC) might remain, often causing tumor recurrence. These cancer stem cells possess the potential for self-renewal and multi-lineage differentiation and are often responsible for the therapeutic resistance displayed in most cancers.
Cancer stem cells are thought to originate from tissue-specific normal stem cells or progenitor cells. The normal stem cells usually reside in...
6.1K
Targeted Cancer Therapies02:57

Targeted Cancer Therapies

The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
9.0K
Adaptive Mechanisms in Cancer Cells02:53

Adaptive Mechanisms in Cancer Cells

Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
7.2K
Stem Cell Therapy for Tissue Regeneration01:21

Stem Cell Therapy for Tissue Regeneration

Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
4.7K
Metastasis02:30

Metastasis

Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
6.7K
Distinctive Features of Adult Stem Cells vs Cancer Stem Cells01:18

Distinctive Features of Adult Stem Cells vs Cancer Stem Cells

A stem cell is an unspecialized cell that can divide without limit as needed and can, under specific conditions, differentiate into specialized cells.
Adult stem cells
Adult stem cells are tissue-specific; hence, they divide to develop the tissue from which they originate. One type of adult stem cell is the epithelial stem cell, which gives rise to the keratinocytes in the multiple layers of epithelial cells in the epidermis of the skin. Adult bone marrow has three distinct types of stem cells:...
4.6K