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Related Concept Videos

Master Transcription Regulators02:23

Master Transcription Regulators

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Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a  complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
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Regulation of Hematopoietic Stem Cells01:01

Regulation of Hematopoietic Stem Cells

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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...
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Differentiation of Common Myeloid Progenitor Cells01:15

Differentiation of Common Myeloid Progenitor Cells

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Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
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General Transcription Factors01:30

General Transcription Factors

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Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
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Role of Hematopoietic Growth Factors01:28

Role of Hematopoietic Growth Factors

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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,...
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Lineage Commitment01:21

Lineage Commitment

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Commitment is the  process whereby stem cells:
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Related Experiment Video

Updated: Dec 23, 2025

Proliferation and Differentiation of Murine Myeloid Precursor 32D/G-CSF-R Cells
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Interferon regulatory factor 8 governs myeloid cell development.

Xueli Xia1, Wenxin Wang1, Kai Yin2

  • 1Department of Laboratory Medicine, The Affiliated People's Hospital, Jiangsu University, Zhenjiang, China; Department of Immunology, Jiangsu Key Laboratory of Laboratory Medicine, School of Medicine, Jiangsu University, Zhenjiang, China.

Cytokine & Growth Factor Reviews
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Interferon regulatory factor 8 (IRF8) is crucial for myeloid cell development and immune responses. Understanding IRF8

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DevelopmentInterferon regulatory factors 8Myeloid cellsTranscription factors

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Area of Science:

  • Immunology
  • Molecular Biology
  • Cell Biology

Background:

  • Interferon regulatory factors (IRFs) are key transcriptional regulators of type I interferon and immune responses.
  • Interferon regulatory factor 8 (IRF8) is vital for hematopoietic cell development, particularly monocytes/macrophages and dendritic cells.
  • IRF8's role in myeloid differentiation and myeloid-derived suppressor cell (MDSC) aggregation in diseases like cancer is gaining research attention.

Purpose of the Study:

  • To provide a comprehensive review of IRF8's functions in myeloid cell development.
  • To highlight the significance of IRF8 in various disease contexts.
  • To explore IRF8 as a potential therapeutic target.

Main Methods:

  • Literature review of existing studies on IRF8.
  • Analysis of IRF8's role in myeloid lineage differentiation.
  • Examination of IRF8's involvement in disease pathogenesis.

Main Results:

  • IRF8 is essential for the development of key myeloid lineages.
  • IRF8 influences MDSC aggregation and disease progression in conditions such as tumors.
  • The review consolidates current knowledge on IRF8's multifaceted roles.

Conclusions:

  • IRF8 plays a critical role in regulating myeloid cell development and immune functions.
  • Dysregulation of IRF8 is implicated in various diseases.
  • Further elucidation of IRF8 functions may lead to novel therapeutic strategies.