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Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously...
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Embryonic Stem Cells00:58

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Embryonic stem (ES) cells are undifferentiated pluripotent cells, meaning they can produce any cell type in the body. This gives them tremendous potential in science and medicine since they can generate specific cell types for use in research or to replace body cells lost due to damage or disease.
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Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
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Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore...
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Induced Pluripotent Stem Cells01:06

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Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
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A stem cell is an unspecialized cell that can divide without limit as needed and can, under specific conditions, differentiate into specialized cells.
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Author Spotlight: Advancing Tissue Regeneration and Disease Modeling with Dental Pulp Stem Cells
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Dental pulp stem cells and osteogenesis: an update.

Ibrahim Mortada1, Rola Mortada2

  • 1, Beirut, Lebanon. ikm03@aub.edu.lb.

Cytotechnology
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PubMed
Summary

Dental pulp stem cells are promising for bone regeneration due to their rapid growth and differentiation. This review explores their osteogenic potential, culture factors, and key markers for bone cell development.

Keywords:
BioengineeringCytotechnologyMedicineOsteogenesisRegenerationStem cells

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Area of Science:

  • Dental Stem Cells Research
  • Regenerative Medicine
  • Osteogenesis

Background:

  • Dental pulp stem cells (DPSCs) are multipotent mesenchymal stem cells.
  • DPSCs exhibit high proliferation and multilineage differentiation capabilities.
  • Osteogenesis, the process of bone formation, is crucial in regenerative medicine.

Purpose of the Study:

  • To review the osteogenic differentiation potential of dental pulp stem cells.
  • To explore factors in culture media influencing osteodifferentiation.
  • To identify key markers associated with the osteoblastic phenotype of DPSCs.

Main Methods:

  • Literature review of studies on dental pulp stem cells and osteogenesis.
  • Analysis of cell culture conditions and their impact on differentiation.
  • Identification and summary of established osteogenic markers.

Main Results:

  • Dental pulp stem cells demonstrate significant osteogenic potential.
  • Specific culture medium components can enhance osteodifferentiation.
  • Surface antigen changes and marker expression (alkaline phosphatase, collagen type I, osteocalcin, osteopontin) indicate osteoblastic differentiation.

Conclusions:

  • Dental pulp stem cells are a viable source for bone tissue engineering.
  • Optimizing culture conditions and understanding marker expression are key to harnessing DPSC osteogenesis.
  • Further research can advance the clinical application of DPSCs in regenerative dentistry and orthopedics.