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Related Concept Videos

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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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...
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Overview of Hematopoiesis01:20

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Hematopoiesis, or blood cell production, is a vital biological process that begins early in embryonic development and continues throughout life. This process generates the various types of cells found in blood, including red blood cells, white blood cells, and platelets from hematopoietic stem cells (HSCs).
Developmental Phases of Hematopoiesis
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Cells of the Adaptive Immune Response01:23

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The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
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Bone Marrow Sampling and Transplants01:22

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Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
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Lineage Commitment01:21

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Commitment is the  process whereby stem cells:
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Updated: Aug 22, 2025

Bone Marrow Transplantation Procedures in Mice to Study Clonal Hematopoiesis
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Clonal hematopoiesis and bone marrow inflammation.

Xinshu Xie1, Meng Su1, Kehan Ren2

  • 1School of Biomedical Sciences, Hunan University, Changsha, China.

Translational Research : the Journal of Laboratory and Clinical Medicine
|November 8, 2022
PubMed
Summary
This summary is machine-generated.

Clonal hematopoiesis (CH) involves stem cell mutations increasing cancer risk, particularly in older adults. These mutations are linked to inflammation within the bone marrow microenvironment, impacting overall health.

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Area of Science:

  • Hematology
  • Oncology
  • Immunology

Background:

  • Clonal hematopoiesis (CH) arises from mutations in hematopoietic stem cells.
  • CH is prevalent in aging populations and associated with hematologic malignancies and other diseases.
  • CH mutations are increasingly linked to an inflammatory bone marrow microenvironment.

Purpose of the Study:

  • To review recent advances in understanding clonal hematopoiesis.
  • To focus on common CH mutations and their role in innate immunity and inflammation.
  • To discuss the interplay between the bone marrow microenvironment and CH mutations.

Main Methods:

  • Literature review of recent advances in clonal hematopoiesis research.
  • Analysis of commonly mutated genes in CH and their impact on immune responses.
  • Discussion of the relationship between bone marrow inflammation and CH.

Main Results:

  • CH mutations are predominantly found in aged individuals.
  • CH is associated with increased risks of hematologic malignancies and cardiovascular diseases.
  • CH mutations significantly influence innate immune responses and inflammatory signaling in hematopoietic cells.

Conclusions:

  • The bone marrow microenvironment plays a critical role in the pathophysiology of CH.
  • Understanding the CH-inflammation link is crucial for developing new therapeutic strategies.
  • Further research is needed to address current challenges and explore future directions in CH research.