Cellular Stress Scholarly Journal | Open Access Journals

Journal of Molecular Histology & Medical Physiology

ISSN: 2684-494X

Open Access

Cellular Stress Scholarly Journal

Cellular stress response is the wide range of molecular changes that cells undergo in response to environmental stressors, including extremes of temperature, exposure to toxins, and mechanical damage. The various processes involved in cellular stress responses serve the adaptive purpose of protecting a cell against unfavorable environmental conditions, both through short term mechanisms that minimize acute damage to the cell's overall integrity, and through longer term mechanisms which provide the cell a measure of resiliency against similar adverse conditions. Cellular stress responses are primarily mediated through what are classified as stress proteins. Stress proteins often are further subdivided into two general categories: those that only are activated by stress, or those that are involved both in stress responses and in normal cellular functioning. The essential character of these stress proteins in promoting the survival of cells has contributed to them being remarkably well conserved across phyla, with nearly identical stress proteins being expressed in the simplest prokaryotic cells as well as the most complex eukaryotic ones.

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