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Estaji, Mohadeshe, Mokhtari-Dizaji, Manijhe, Movahedin, Mansoreh, Ghaffari Khaligh, Sahar. (1399). Correlation between the Energy Density of Ultraviolet Radiation and Skin Thickening In an Animal Mouse Model: Induction of Trichoepithelioma in a Mouse Model. , 18(2), 106-110. doi: 10.22038/ijmp.2020.44444.1680
Mohadeshe Estaji; Manijhe Mokhtari-Dizaji; Mansoreh Movahedin; Sahar Ghaffari Khaligh. "Correlation between the Energy Density of Ultraviolet Radiation and Skin Thickening In an Animal Mouse Model: Induction of Trichoepithelioma in a Mouse Model". , 18, 2, 1399, 106-110. doi: 10.22038/ijmp.2020.44444.1680
Estaji, Mohadeshe, Mokhtari-Dizaji, Manijhe, Movahedin, Mansoreh, Ghaffari Khaligh, Sahar. (1399). 'Correlation between the Energy Density of Ultraviolet Radiation and Skin Thickening In an Animal Mouse Model: Induction of Trichoepithelioma in a Mouse Model', , 18(2), pp. 106-110. doi: 10.22038/ijmp.2020.44444.1680
Estaji, Mohadeshe, Mokhtari-Dizaji, Manijhe, Movahedin, Mansoreh, Ghaffari Khaligh, Sahar. Correlation between the Energy Density of Ultraviolet Radiation and Skin Thickening In an Animal Mouse Model: Induction of Trichoepithelioma in a Mouse Model. , 1399; 18(2): 106-110. doi: 10.22038/ijmp.2020.44444.1680

Correlation between the Energy Density of Ultraviolet Radiation and Skin Thickening In an Animal Mouse Model: Induction of Trichoepithelioma in a Mouse Model

Iranian Journal of Medical Physics
مقاله 4، دوره 18، شماره 2، خرداد و تیر 2021، صفحه 106-110    اصل مقاله (1.02 M)
نوع مقاله: Original Paper
شناسه دیجیتال (DOI): 10.22038/ijmp.2020.44444.1680
نویسندگان
Mohadeshe Estaji1؛ Manijhe Mokhtari-Dizaji* 1؛ Mansoreh Movahedin2؛ Sahar Ghaffari Khaligh3
1Department of Medical Physics, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
2Department of Anatomy, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
3Department of Pathology, Faculty of Veterinary Medicine, Semnan University, Semnan, Iran
چکیده
Introduction: Exposure to ultraviolet (UV) radiation causes oxidative damage and cancer in the epidermis. The thickening of the skin layer seems to be correlated with carcinogenicity. The present study aimed to induce trichoepithelioma, a rare benign skin lesion, in an animal model and investigate the relationship between the radiation dose of UV waves and the thickening of skin layers resulting from high-frequency ultrasound images.
Material and Methods: To investigate skin damage process, 25 C57BL6 mice were irradiated with Ultraviolet B-rays (UVB) (5 times a week for 9 weeks) with an energy density of 135, 270, 405, 540, 675, 810, 945, 1080, and 1215 J/m2, from the first week to the ninth week, respectively. The thickness of the skin layer was weekly measured by ultrasound images. The correlation between the thickness of the skin layer and the radiation energy density was analyzed by Pearson correlation analysis.
Results: The thickness of the skin layer demonstrated a significant increase in the 7th week of exposure during the injury process due to UV radiation, as compared to zero-day (P˂0.05). Furthermore, it showed a 38 % increase in the 7th week. The obtained results illustrated a significant correlation coefficient of more than 0.97 between the thickness of the skin layer and the energy density of UV radiation. Microscopic sections in the long-term UV-irradiated group confirmed trichoepithelioma.
Conclusion: As evidenced by the obtained results, prolonged irradiation for 9 weeks induced an animal model of trichoepithelioma.
کلیدواژه‌ها
Ultraviolet Radiations؛ Skin؛ Trichoepithelioma؛ Ultrasonography؛ Mice
مراجع
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