This study does not involve any particular diagnosis. The goal of this research study is to explore the effects of artificial sunlight (ultraviolet B radiation; UVB) on the skin of young adults versus geriatric adults. Sunlight exerts many effects on the body. There is evidence that in response to ultraviolet B radiation (UVB), which are the burning rays of sunlight, young adult skin responds differently than geriatric skin. In fact, researchers feel that this difference in how the skin reacts to UVB is why skin cancers are found in older skin. Researchers believe that a major difference between young adult and geriatric skin is that young skin has a lot of a protein called insulin-like growth factor-1 (IGF-1), whereas geriatric skin has very little. The current study will test how young adult versus geriatric skin responds to UVB, and if geriatric skin treated with an injection of small amount of IGF-1 drug will then act like young skin.
Study Type
INTERVENTIONAL
Allocation
NON_RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
24
Growth factor protein
No Insulin-Like Growth Factor 1 will be given.
Wright State Physicians
Fairborn, Ohio, United States
RECRUITINGChange in expression genes involved in protecting skin cells from UVB damage in younger skin and geriatric skin injected with IGF-1 from baseline
Expression genes involved in protecting skin cells from UVB damage, including p21, xeroderma pigmentosum (XPC), and polymerase eta, will be higher following UVB exposure in younger skin and geriatric skin injected with IGF-1 than in geriatric skin injected with saline as a control.
Time frame: 2 Days
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