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Cancer Stem Cells and Tumor Maintenance

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...

Cancer Stem Cells and Tumor Maintenance

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...

The Tumor Microenvironment

The Tumor Microenvironment

Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...

The Tumor Microenvironment

The Tumor Microenvironment

Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...

Stem Cell Niche

Stem Cell Niche

The stem cell niche is the dynamic microenvironment where stem cells reside. Inside these niches, the cells may remain undifferentiated, undergo high self-renewal, or become lineage-specific progenitors. Stem cells coexist with other niche cells, such as stromal cells. They also interact closely with the ECM. Cell-cell and cell-matrix communication occur via adhesion molecules or soluble factors that signal the stem cells and determine their fate. Stromal cells also provide survival signals to...

Stem Cell Therapy for Tissue Regeneration

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 types that...

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Related Experiment Video

Updated: May 10, 2026

Identifying Bone Marrow Microenvironmental Populations in Myelodysplastic Syndrome and Acute Myeloid Leukemia

Identifying Bone Marrow Microenvironmental Populations in Myelodysplastic Syndrome and Acute Myeloid Leukemia

Published on: November 10, 2023

Cancer Stem Cells and the Bone Marrow Microenvironment.

Yusuke Shiozawa¹, Russell S Taichman

¹Department of Periodontics and Oral Medicine, University of Michigan School of Dentistry, Ann Arbor, MI 48109, USA.

Bonekey Reports

|June 8, 2013

Summary

This summary is machine-generated.

Metastatic cancer cells exploit the bone marrow microenvironment, specifically the hematopoietic stem cell niche, to sustain their stemness. Targeting this niche is crucial for developing effective therapies against cancer metastasis.

Keywords:

Bone marrow niche Cancer stem cells Disseminated tumor cells and Tumor heterogeneity

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Modeling Chemotherapy Resistant Leukemia In Vitro

Modeling Chemotherapy Resistant Leukemia In Vitro

Published on: February 9, 2016

Area of Science:

Oncology
Stem Cell Biology
Cancer Metastasis Research

Background:

Cancer metastasis, the spread of cancer to other organs, is a major cause of poor prognosis in patients.
Cancer stem cells (CSCs) are strongly implicated in mediating metastasis, but their origin remains unclear.
The tumor microenvironment significantly influences CSC regulation and behavior.

Purpose of the Study:

To investigate the interaction between bone metastatic cancer cells and the hematopoietic stem cell (HSC) niche.
To understand how metastatic cells utilize the HSC niche to maintain their stemness.
To identify potential therapeutic targets within the HSC niche for eradicating metastatic CSCs.

Main Methods:

This study focuses on the conceptual understanding of cellular interactions and microenvironmental influences.
It integrates existing evidence on CSCs, metastasis, and the HSC niche.
No specific experimental methods are detailed in the provided abstract; it's a review/hypothesis-driven piece.

Main Results:

Bone metastatic cancer cells actively target and exploit the niche that normally supports hematopoietic stem cells (HSCs).
Metastatic cells appear to hijack the stemness-maintaining functions of the HSC niche for their own propagation.
This parasitic interaction suggests a vulnerability in metastatic cancer's reliance on the HSC niche.

Conclusions:

Metastatic cancer cells co-opt the HSC niche to maintain their stemness, highlighting a critical mechanism of cancer spread.
Targeting the HSC niche presents a promising therapeutic strategy to eliminate metastatic CSCs.
Understanding this niche-parasitism is essential for developing novel anti-metastasis treatments.