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Effect of a Precision Cryotherapy Device with Temperature Adjustability on Pigmentation.
Mi Hee Kwack1,2, Seongjin Lee3, Eun Hye Lee4
1Department of Immunology, School of Medicine, Kyungpook National University, Daegu, Korea.
Indian Journal of Dermatology
|September 12, 2022
Summary
A novel temperature-adjustable cryotherapy device effectively reduced pigmentation-related biomarkers in mice. This innovative treatment shows promise for managing skin pigmentation disorders safely and effectively.
Area of Science:
- Dermatology
- Biomedical Engineering
- Molecular Biology
Background:
- Pigmentary skin disorders significantly impact quality of life.
- Current treatments necessitate improvements in efficacy and safety.
- Research into novel therapeutic modalities is ongoing.
Purpose of the Study:
- To assess the impact of a temperature-adjustable cryotherapy device on pigmentation biomarkers.
- To investigate the device's potential for treating UVB-induced skin pigmentation.
Main Methods:
- UVB-induced pigmentation in mice was treated with a cryotherapy device at various temperatures (-5°C to 10°C) and durations (5-20s).
- Gene and protein expression of key pigmentation biomarkers (tyrosinase, c-kit, MC1R, MITF) were analyzed using RT-PCR and immunohistochemistry.
Main Results:
- Cryotherapy treatment led to a decrease in the expression of pigmentation-related biomarkers.
- Gene expression of these biomarkers showed a general decrease, with minor exceptions.
- Protein expression of pigmentation biomarkers exhibited a decreasing trend, with some variations.
Conclusions:
- The temperature-adjustable cryotherapy device effectively reduced pigmentation biomarker expression in a mouse model.
- This device presents a potential new therapeutic option for patients with skin pigmentation concerns.

