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Related Concept Videos

Burn Injuries01:22

Burn Injuries

4.4K
Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
4.4K

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Chessboard-like Burn Wound Healing Model of Mice Based on Digital Heating Device
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Development of experimental in vitro burn model.

Ana Carolina Morais Fernandes1, Jerônimo Pereira de França2, Silvana Gaiba2

  • 1Universidade Federal de São Paulo, São Paulo, SP, Brazil.

Acta Cirurgica Brasileira
|September 18, 2014
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Summary

Researchers developed a novel in vitro burn model using NIH-3T3 cells. This model effectively demonstrates thermal injury, showing significant changes in cell viability, morphology, and activity.

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Area of Science:

  • Cell Biology
  • Biomedical Engineering
  • Toxicology

Background:

  • Developing reliable in vitro models is crucial for studying cellular responses to injury.
  • Existing models may not fully replicate the complex cellular damage seen in thermal injuries.
  • NIH-3T3 cells offer a robust platform for investigating cellular stress responses.

Purpose of the Study:

  • To establish and validate an experimental in vitro burn model using the NIH-3T3 mouse fibroblast cell line.
  • To assess the feasibility of using this model to study thermal injury effects at the cellular level.

Main Methods:

  • Induction of controlled thermal injury in NIH-3T3 cell cultures.
  • Quantification of cell viability using MTT assays.
  • Assessment of cellular morphology and structural integrity via immunofluorescence.

Main Results:

  • Heating parameters (temperature and time) directly correlated with microwave-induced heating of the Petri dish.
  • The in vitro burn model induced significant cellular injury in NIH-3T3 cells.
  • Observed drastic alterations in cell morphology, membrane integrity, cytoskeleton, nucleus, and reduced cellularity.

Conclusions:

  • The developed in vitro burn model using NIH-3T3 cells is reproducible and efficient.
  • The model successfully demonstrated significant decreases in cell activity and viability.
  • The model allows for the observation of drastic morphological changes, cell lysis, and death indicative of burn injury.