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Regulation of Hematopoietic Stem Cells

Regulation of Hematopoietic Stem Cells

All blood and immune cells are produced from the multipotent hematopoietic stem cells (HSCs) by the process of hematopoiesis. However, they all have a limited life span. In addition, many are depleted in immune surveillance or combatting an injury or infection. This makes blood one of the most regenerative tissues. Hematopoiesis helps replenish these blood and immune cells, restoring the body's normal functioning. However, overproduction of blood and immune cells can make them cancerous or...

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.
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The two main cell types that...

Overview of Cell Death

Overview of Cell Death

Cell death is an essential process where the body gets rid of old or damaged cells. Cell proliferation and death need to be balanced, as an imbalance between the two may lead to cancer or autoimmune diseases.
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Hematopoiesis

Hematopoiesis

The process of blood cell formation is called hematopoiesis. Hematopoiesis starts early during development, on the seventh day of embryogenesis. This phase of hematopoiesis is called the primitive wave, wherein the extraembryonic yolk sac allows the production of erythroid cells and endothelial cells from a common precursor called hemangioblast. The erythroid cells provide oxygen to support the growth of the rapidly dividing embryo. Hemangioblasts later develop into hematopoietic stem cells or...

Multipotency of Hematopoietic Stem Cells

Multipotency of Hematopoietic Stem Cells

The hematopoietic stem cells or HSCs are multipotent, meaning they can differentiate and give rise to all blood and immune cells. HSCs are maintained in the quiescent stage until an external stimulus initiates their differentiation. The multipotent HSCs exist as two heterogeneous populations, long-term repopulating cells (LTRC) and short-term repopulating cells (STRC). The two HSC populations have different surface markers or receptors and are classified based on quiescence and long-term...

Cancer Stem Cells and Tumor Maintenance

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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...

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Related Experiment Video

Updated: Jun 26, 2026

Measurement of Mitochondrial Mass and Membrane Potential in Hematopoietic Stem Cells and T-cells by Flow Cytometry

Measurement of Mitochondrial Mass and Membrane Potential in Hematopoietic Stem Cells and T-cells by Flow Cytometry

Published on: December 26, 2019

Cell death in hematological tumors.

¹University Children's Hospital, Ulm, Germany. simone.fulda@uniklinik-ulm.de

Apoptosis : an International Journal on Programmed Cell Death

|January 9, 2009

Summary

Cancer cells evade apoptosis, a natural cell death process vital for tissue balance. Understanding apoptosis defects in blood cancers aids in developing new therapies to overcome treatment resistance.

Area of Science:

Oncology
Cell Biology
Hematology

Background:

Apoptosis is a crucial cell death program for maintaining tissue homeostasis, particularly in high-turnover systems like hematopoiesis.
Evasion of apoptosis is a key characteristic of human cancers, including hematological malignancies, contributing to tumorigenesis and progression.
Intact apoptosis pathways are essential for the efficacy of current anti-cancer treatments like chemotherapy, radiotherapy, and immunotherapy.

Purpose of the Study:

To investigate the role of apoptosis evasion in hematological malignancies.
To explore the link between apoptosis defects and resistance to anti-cancer therapies.
To identify molecular targets within apoptosis pathways for novel therapeutic development in leukemia and lymphoma.

Main Methods:

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Last Updated: Jun 26, 2026

Measurement of Mitochondrial Mass and Membrane Potential in Hematopoietic Stem Cells and T-cells by Flow Cytometry

Measurement of Mitochondrial Mass and Membrane Potential in Hematopoietic Stem Cells and T-cells by Flow Cytometry

Published on: December 26, 2019

Neutrophil Lifespan Extension with CLON-G and an In Vitro Spontaneous Death Assay

Neutrophil Lifespan Extension with CLON-G and an In Vitro Spontaneous Death Assay

Published on: May 12, 2023

Literature review and analysis of existing research on apoptosis regulation in cancer.
Characterization of molecular mechanisms underlying apoptosis evasion in hematological malignancies.
Evaluation of the impact of apoptosis pathway defects on therapeutic outcomes.

Main Results:

Defects in apoptosis pathways are frequently observed in hematological cancers, correlating with resistance to established treatments.
Understanding the molecular players in apoptosis execution provides insights into cancer development and progression.
Targeting apoptosis pathways holds promise for overcoming treatment resistance in leukemia and lymphoma.

Conclusions:

Apoptosis evasion is a critical factor in the pathogenesis and treatment resistance of hematological malignancies.
The detailed characterization of apoptosis regulatory molecules is paving the way for innovative diagnostic and therapeutic strategies.
Targeting apoptosis offers a promising avenue for developing novel treatments for blood cancers.