EFFECTS OF THE DURATION OF ARTIFICIAL UVA IRRADIATION EXPOSURE ON SKIN DAMAGE LEVELS IN ALBINO MICE

Thị Thương Huyền Nguyễn , Ngọc Hân Nguyễn , Thị Thúy Trương , Cẩm Tú Trần

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Abstract

 

 

The rise in the UV ray index, particularly UVA, has played a role in the heightened pace of skin aging. The rate at which skin ages fluctuates depending on the duration of exposure to UV rays. The objective of this study was to examine the impact of varying durations of artificial UVA irradiation on the level of skin damage observed in albino mice. It was observed that as the duration of irradiation increased gradually (3 hours, 6 hours, and 9 hours of exposure), the damage to the mice's skin also increased progressively with the irradiation dose remained constant (24 mJ/cm2/minute): elevated external aging signs, augmented epidermal thickness, and intensified breakdown of collagen. Furthermore, this study offers predictions on the aging patterns of mouse skin when subjected to artificial UVA irradiation timelines, facilitating other experiments to arrange high efficiency. It is necessary to research the effect of artificial UVA irradiation level on rat skin structure to have more evidence to evaluate the effect of UVA on rat skin structure.

 

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References

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