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Related Concept Videos

Contemporary Psychology01:29

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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 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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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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Microorganisms play a fundamental role in vaccine development, gene therapy, and therapeutic production. Their biological properties are harnessed to advance medicine and public health. Beyond immunization, microorganisms contribute to gut health, antibiotic synthesis, and genetic disease treatment.Live Attenuated and Inactivated VaccinesLive attenuated vaccines, such as the measles, mumps, and rubella (MMR) vaccine, utilize weakened forms of pathogens to closely resemble natural infections.
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[Stem cells in contemporary medicine].

Tadeusz Płusa1, Alicja Baranowska2, Paweł Baranowski2

  • 1Medical Faculty of Łazarski University, Warsaw, Poland; Department of Neuroortopedics, Mazovian Rehabilitation Center STOCER, Konstancin-Jeziorna, Poland.

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Summary

Stem cells, including bone marrow-derived stem cells (BMSCs) and adipose-derived stem cells (ADSCs), show potential in treating conditions like damaged myocardium and inflammatory joint diseases. Their regenerative properties offer new therapeutic avenues for patients with severe disabilities.

Keywords:
damage to the nucleus pulposusmyocardial diseaseseptic shockstem cells

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Area of Science:

  • Regenerative Medicine
  • Cell Biology
  • Immunology

Background:

  • Stem cells possess inherent plasticity and differentiation capabilities, enabling their derivation from various sources like bone marrow (BMSCs), adipose tissue (ADSCs), and umbilical cord blood (UCMSCs).
  • These cells secrete bioactive factors that modulate immune responses and promote angiogenesis, crucial for tissue repair.
  • Leukocyte suppression by stem cells is significant, particularly in inflammatory and atherosclerotic processes.

Discussion:

  • Stem cell therapy is being explored for repairing damaged myocardium, offering a novel approach to cardiovascular disease treatment.
  • The efficacy of stem cell administration has been observed in early-stage septic shock and in patients suffering from Acute Respiratory Distress Syndrome (ARDS).
  • Transplantation of stem cells into the nucleus pulposus of intervertebral discs and joints addresses inflammatory lesions, presenting new therapeutic options for debilitating conditions.

Key Insights:

  • Stem cells exhibit immunomodulatory and angiogenic properties beneficial for tissue regeneration.
  • Their ability to suppress leukocyte activity is key to mitigating inflammatory processes, including atherosclerosis.
  • Successful applications are emerging in treating myocardial damage, septic shock, ARDS, and degenerative joint diseases.

Outlook:

  • Further research into stem cell mechanisms can optimize their therapeutic potential in regenerative medicine.
  • Clinical applications for stem cell transplantation in treating chronic inflammatory conditions and tissue damage are expanding.
  • Stem cell therapies hold promise for improving patient outcomes and reducing long-term disability.