Results 221 to 230 of about 314,968 (285)

Pyrimidine-Dependent UV-Mediated Cross-Linking Magnifies Minor Genetic or Epigenetic Changes in Clinical Samples

open access: green
Fangyan Yu   +10 more
openalex   +2 more sources

Interventional human ocular safety experiments for 222‐nm far‐ultraviolet‐C lamp irradiation

open access: yesPhotochemistry and Photobiology, Volume 101, Issue 2, Page 517-526, March/April 2025.
To directly assess the ocular safety of 222‐nm far‐ultraviolet‐C (UVC) irradiation in humans, five subjects were exposed to 222‐nm UVC at doses of 22, 50, and 75 mJ/cm2. The findings indicate that far‐UVC irradiation does not cause “clinically significant photokeratitis” or long‐term ocular damage, though it may induce temporary discomfort.
Kazunobu Sugihara   +3 more
wiley   +1 more source

Reactive oxygen species are involved in inhibition of photoreactivation of Staphylococcus aureus irradiated with 222‐nm Far ultraviolet C

open access: yesPhotochemistry and Photobiology, EarlyView.
222‐nm Far UV‐C has a bactericidal effect and is less harmful to humans than 254‐nm UV‐C. This study investigated photoreactivation of Staphylococcus aureus irradiated with 222‐nm Far UV‐C. The proliferative effect of 222‐nm UV‐C irradiated S. aureus by photoreactivation was lower than with 254‐nm UV‐C.
Risako Fukushi   +5 more
wiley   +1 more source

A skin explant model for studying UV‐induced DNA damage and repair

open access: yesPhotochemistry and Photobiology, EarlyView.
The study describes an ex vivo skin model that preserves the natural physiology of the skin while addressing ethical concerns related to animal research. We demonstrate this model maintains key characteristics and physiological responses of in vivo skin during short incubation periods. Moreover, this model requires fewer mice than in vivo testing, thus
Hailey Payne   +3 more
wiley   +1 more source

ASS1 inhibits liver cancer by promoting CAD ubiquitination and reversing the urea cycle and pyrimidine synthesis imbalance. [PDF]

open access: yesHepatol Commun
Ming Z   +13 more
europepmc   +1 more source

Deciphering the role of HD52, a mitochondrial nucleotidase essential for pyrimidine homeostasis in Trypanosoma brucei

open access: green, 2019
Miriam Yagüe-Capilla   +5 more
openalex   +1 more source

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