Related Experiment Video
Updated: Jul 10, 2026
11:46
Direct Lineage Reprogramming of Adult Mouse Fibroblast to Erythroid Progenitors
Published on: December 14, 2018
Erythroid and megakaryocytic transformation.
1Section of Hematology/Oncology, University of Chicago, Chicago, IL, USA.
Oncogene
|October 16, 2007
Summary
Red blood cells and megakaryocytes share developmental regulators and pathways. Understanding their leukemic transformation is crucial for developing novel targeted therapies for these aggressive blood cancers.
Area of Science:
- Hematopoiesis
- Cancer Biology
- Molecular Medicine
Background:
- Red blood cells and megakaryocytes originate from a common megakaryocyte-erythroid progenitor.
- Shared regulators include GATA-1, GFI-1B, JAK2, and STAT5.
- These lineages are linked to aggressive, poor-prognosis malignancies.
Purpose of the Study:
- To review normal red blood cell and megakaryocyte development.
- To highlight events leading to leukemic transformation.
- To emphasize the need for improved understanding and therapeutics.
Main Methods:
- Literature review of normal hematopoiesis.
- Analysis of molecular pathways in leukemic transformation.
- Synthesis of current knowledge on megakaryocyte-erythroid leukemias.
Main Results:
- Detailed overview of shared developmental regulators.
- Identification of key events in leukemic transformation.
- Summary of the aggressive nature and poor prognosis of these leukemias.
Conclusions:
- Further research is essential to elucidate the unique biology of these leukemias.
- Novel targeted therapeutics are needed.
- Improved understanding will pave the way for better treatment strategies.
More Related Videos
Related Concept Videos
01:14Erythropoiesis
Red blood cells (RBCs) transport oxygen to all body tissues. These cells survive only for 120 days and then need to be replenished. Erythropoiesis is the process of RBC production. In healthy individuals, erythropoiesis ensures all tissues are amply supplied with oxygen. In addition, blood loss due to injury leads to a drop in the physiological oxygen level that will cause erythropoiesis. Any defect in erythropoiesis leads to several physiological disorders, including thalassemia, anemia, and...
01:21Lineage Commitment
Commitment is the process whereby stem cells:
01:28Role of Hematopoietic Growth Factors
Hematopoietic growth factors are molecules that regulate the differentiation rate of hematopoietic stem cells (HSCs). Erythropoietin (EPO), primarily produced by the kidneys, plays a crucial role in erythrocyte production. When oxygen levels in the blood are low, EPO is released into the bloodstream, reaching the bone marrow, where it stimulates HSCs to differentiate and mature into erythrocytes, which are vital for oxygen transport.
Thrombopoietin (TPO), mainly released by the liver,...
Thrombopoietin (TPO), mainly released by the liver,...
01:34Production of Formed Elements
Hemangioblasts are multipotent stem cells originating from the mesoderm. They give rise to hematopoietic stem cells (HSCs), which undergo hematopoiesis to produce all the formed elements of blood. This process is regulated by a complex network of hematopoietic growth factors, including transcription factors, growth factors, and cytokines. These factors stimulate the HSCs to divide and differentiate, though some HSCs remain undifferentiated to maintain a self-renewing pool.
Most HSCs commit to...
Most HSCs commit to...
02:38Mitogens and the Cell Cycle
Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell division leads to tumor formation. Therefore, mitogens and mitogen receptors play an important role in cancer research. For instance, the epidermal growth factor (EGF) - a type of mitogen and its transmembrane receptor (EGFR), decides the fate of the cell's proliferation. When EGF binds to EGFR, a member of the ErbB family of tyrosine kinase...
01:27Disorders of Erythrocytes
Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...