Strategies for Preventing Cellular Damage

Involves strategies and behaviors aimed at protecting cells from damage that can lead to chronic diseases.
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Cell Biology | Preventive Healthcare | Nutritional Science | Cellular Health | Antioxidants | DNA Repair | Oxidative Stress
Prepared by Lee Cheng, reviewed by Dr. Helena Rodriguez

Cellular Damage Prevention FAQ


Image credit: phytecs.com

How does a cell manage damage from free radicals?

The cell has mechanisms designed to mitigate and manage damage from free radicals. Hydroxide ions are reduced by the enzyme glutathione peroxidase and superoxide ions are reduced to hydrogen peroxide by superoxide dismutase. Hydrogen peroxide generated by superoxide dismutase is used by catalase to generate water.

What causes cell damage?

Cell damage (also known as cell injury) is a variety of changes of stress that a cell suffers due to external as well as internal environmental changes. Amongst other causes, this can be due to physical, chemical, infectious, biological, nutritional or immunological factors. Cell damage can be reversible or irreversible.

What is T-cell mediated immune pathology?

Another type of T-cell-mediated immune pathology is illustrated by influenza virus infection of the mouse. When inoculated intranasally, the virus infects the lungs and causes a fatal pneumonia in which the airspaces fill up with fluid and cells. The reaction is massive and the lungs almost double in weight. Effectively the animal drowns.

Can boosting DNA repair capacity prevent cell death through apoptosis?

As apoptosis is responsible for the death of highly radiosensitive cells such as the bone marrow and small intestinal progenitor cells, it seems that boosting DNA repair capacity can help prevent cell death through apoptosis.

Cellular Damage Prevention References

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