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Related Concept Videos

Role of Hematopoietic Growth Factors01:28

Role 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,...
Regulation of Hematopoietic Stem Cells01:01

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...
Mesenchymal Stem Cells01:19

Mesenchymal Stem Cells

Mesenchymal stem cells (MSCs) are adult stem cells that can differentiate into most connective tissue cell types, except for hematopoietic cells, depending upon the source of MSCs. For example, bone-marrow-derived MSCs (BM-MSCs) can differentiate into osteocytes, hepatocytes, and pancreatic and neuronal cells. MSCs can be isolated from various sources such as bone marrow, placenta, adipose tissue, teeth, and Wharton’s jelly, a gelatinous substance in the umbilical cord. The ease of their access...
Hematopoiesis01:21

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 Cells01:19

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...
Bone Marrow Sampling and Transplants01:22

Bone Marrow Sampling and Transplants

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.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy the...

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Related Experiment Video

Updated: May 8, 2026

In Vivo Osteo-organoid Approach for Harvesting Therapeutic Hematopoietic Stem/Progenitor Cells
05:32

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Published on: February 16, 2024

Engipore acts on human bone marrow stem cells.

Vincenzo Sollazzo1, Annalisa Palmieri, Ambra Girardi

  • 1Orthopedic Clinic, University of Ferrara, Corso Giovecca 203, 44100 Ferrara, Italy.

The Saudi Dental Journal
|August 21, 2013
PubMed
Summary
This summary is machine-generated.

Engipore scaffolds significantly induce osteoblast differentiation by upregulating key bone-related genes. This natural 3D material may enhance bone regeneration by modulating osteoblast and osteoclast activity.

Keywords:
BiomaterialBoneDifferentiationEngiporeStem cell

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Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Cell Biology

Background:

  • Porous hydroxyapatite (HA) scaffolds are vital for tissue engineering, offering 3D support for cell proliferation and tissue formation.
  • Engipore, a natural 3D scaffold with organic fibrous material, shows potential in bone regeneration.
  • The precise mechanisms by which Engipore influences osteoblast activity remain unclear.

Purpose of the Study:

  • To investigate how Engipore induces osteoblast differentiation in mesenchymal stem cells.
  • To analyze the expression of bone-related genes and mesenchymal stem cell markers following Engipore treatment.

Main Methods:

  • Mesenchymal stem cells were treated with Engipore.
  • Gene expression analysis was performed to assess levels of bone-related genes and stem cell markers.
  • Key markers analyzed included SP7, RUNX2, osteocalcin (BGLAP), CD105, and SSP1 (osteopontin).

Main Results:

  • Engipore significantly induced osteoblast transcriptional factors SP7 and RUNX2.
  • The bone-related gene osteocalcin (BGLAP) expression was significantly upregulated.
  • SSP1 (osteopontin) was significantly downregulated, potentially reducing osteoclast activity, while CD105 expression remained unchanged.

Conclusions:

  • Engipore effectively induces osteoblast differentiation in mesenchymal stem cells.
  • The study elucidates molecular mechanisms by which Engipore promotes bone regeneration.
  • Findings suggest Engipore's potential for enhancing bone repair strategies.