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Papers of the Week

2022 Sep 27

Biol Pharm Bull

Effect of celecoxib administration on the skin of 40-week-old mice.


Maruyama K, Tanaka S, Hiramoto K, Ooi K
Biol Pharm Bull. 2022 Sep 27.
PMID: 36171113.


Various side effects associated with the use of nonsteroidal anti-inflammatory drugs (NSAIDs) in analgesia have been reported. Among the NSAIDs, celecoxib has fewer side effects and is often used in therapeutic applications. However, the effect of celecoxib on aged skin is unknown. In this study, we investigated the effects of celecoxib administration on the skin of aged mice. We analyzed a 40-week-old mouse model and a 10-week-old mice as the control group. The animals were orally administered celecoxib for four consecutive days and then killed and dissected the day after the last dose. In aged mice treated with celecoxib, the water content of the stratum corneum, which is one of the markers of dry skin, was lower than that in the control and young mice groups. In addition, serum hyaluronic acid, creatinine, and inflammatory cytokines in the collected blood samples of aged mice were elevated compared to those in other mice groups, suggesting the onset of acute renal injury. Therefore, it was considered that acute renal injury occurred from the administration of celecoxib to aged mice, whereas dry skin developed by the promotion of inflammatory cytokine secretion and release into the bloodstream in this group.