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Related Concept Videos

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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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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...
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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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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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Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
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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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Isolation and Transplantation of Hematopoietic Stem Cells HSCs
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Hematopoietic stem cell transplantation.

Eleftheria Hatzimichael1, Mark Tuthill

  • 1Department of Haematology, Medical School of Ioannina, University of Ioannina, Ioannina, Greece.

Stem Cells and Cloning : Advances and Applications
|November 8, 2013
PubMed
Summary
This summary is machine-generated.

Hematopoietic stem cell transplantation (HSCT) treats various blood disorders and immune deficiencies. This review covers HSCT biology, efficacy, procedures, and complications for improved patient outcomes.

Keywords:
complicationshematopoietic stem cell transplantation

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Area of Science:

  • Hematology
  • Immunology
  • Oncology

Background:

  • Hematopoietic stem cell transplantation (HSCT) is a vital treatment for over 25,000 patients annually.
  • Conditions treated include lymphoma, leukemia, immune deficiencies, and genetic blood disorders.
  • HSCT involves myeloablative chemoradiotherapy followed by stem cell rescue.

Purpose of the Study:

  • To review the fundamental biology of stem cells.
  • To assess the clinical efficacy of hematopoietic stem cell transplantation.
  • To detail transplantation procedures and potential complications.

Main Methods:

  • Review of existing literature on stem cell biology and HSCT.
  • Analysis of clinical data regarding HSCT efficacy and outcomes.
  • Examination of transplantation protocols and associated risks.

Main Results:

  • Autologous HSCT uses patient's own stem cells; allogeneic HSCT uses donor stem cells.
  • Survival in allogeneic HSCT hinges on HLA matching and immune responses (graft-versus-host and graft-versus-leukemia).
  • HSCT is a complex procedure with significant potential complications.

Conclusions:

  • HSCT is a critical therapeutic option for numerous hematologic and immunologic conditions.
  • Understanding stem cell biology and transplantation dynamics is key to successful outcomes.
  • Careful patient selection, matching, and management of complications are essential for HSCT success.