Sunscreens Prevent Sunburn Cell Formation in Human Skin

Sunscreens in melanoma and skin cancer prevention.

Targeting mutant p53 shows promise for sunscreens and skin cancer.

Chronic exposure to UV light is a risk factor for skin cancer in which signature mutations in the p53 tumor suppressor gene occur due to DNA damage and contribute to cancer development. In this issue of the JCI, Tang et al. report on their study of a nonimmunodeficient mouse model of UVB-induced skin cancer and human skin carcinoma cells and show that the mutant p53 conformation-modifying drug ...

Sunscreens do protect against melanoma, says skin cancer specialist.

Sunscreen can help reduce the risk of malignant melanoma, contrary to the finding of a study that received considerable media attention last February, says a skin cancer specialist at Ohio State University’s Arthur G. James Cancer Hospital and Research Institute. "If you’ve heard or read comments to the effect that sunscreens do not protect against malignant melanoma, forget them," said Ronald ...

ترکیبات موجود در فرآورده‌های ضدآفتاب: دی‌اکسیدتیتانیوم (TiO2)

The use of sunscreens should also be recommended in order to work against all kind of ultarviolet (UV)-induced skin damage such as photoallergies, skin wrinkles, sunburn or even skin cancer. Sunscreens contain chemical filters (organic absorb regularly UVB radiation) and physical filters (e.g., TiO2 and ZnO). The second group has been said to reflect and scatter UVB and UVA radiation. TiO2 is ...

Saving Your Students’ Skin. Undergraduate Experiments That Probe UV Protection by Sunscreens and Sunglasses

In recent years, exposure to ultraviolet (UV) radiation has been linked to a number of human health problems, including sunburn, skin cancer, premature aging of the skin, cataracts, and immune suppression (1–3). At the same time, evidence of aerosol-induced damage to the earth’s primary UV filter, the ozone layer, has increased (4 ), and skin cancer rates have risen to more than 900,000 cases p...