02723nas a2200505 4500008004100000022001400041245018900055210006900244260001300313300001000326490000700336520107200343653002801415653001001443653000901453653002201462653001101484653003801495653001101533653003001544653004401574653004301618653001601661653001101677653001701688653005001705653001401755653000901769653001601778653002001794653001401814653003201828653002801860653000901888653001901897653002101916100003001937700001901967700002001986700002002006700002902026700002002055700001702075856012502092 2013 eng d a1600-062500aRole of CPI-17 in restoring skin homoeostasis in cutaneous field of cancerization: effects of topical application of a film-forming medical device containing photolyase and UV filters.0 aRole of CPI17 in restoring skin homoeostasis in cutaneous field c2013 Jul a494-60 v223 a
Cutaneous field of cancerization (CFC) is caused in part by the carcinogenic effect of the cyclobutane pyrimidine dimers CPD and 6-4 photoproducts (6-4PPs). Photoreactivation is carried out by photolyases which specifically recognize and repair both photoproducts. The study evaluates the molecular effects of topical application of a film-forming medical device containing photolyase and UV filters on the precancerous field in AK from seven patients. Skin improvement after treatment was confirmed in all patients by histopathological and molecular assessment. A gene set analysis showed that skin recovery was associated with biological processes involved in tissue homoeostasis and cell maintenance. The CFC response was associated with over-expression of the CPI-17 gene, and a dependence on the initial expression level was observed (P = 0.001). Low CPI-17 levels were directly associated with pro-inflammatory genes such as TNF (P = 0.012) and IL-1B (P = 0.07). Our results suggest a role for CPI-17 in restoring skin homoeostasis in CFC lesions.
10aAdministration, Topical10aAdult10aAged10aAged, 80 and over10aBiopsy10aDeoxyribodipyrimidine Photo-Lyase10aFemale10aGene Expression Profiling10aGene Expression Regulation, Enzymologic10aGene Expression Regulation, Neoplastic10aHomeostasis10aHumans10aInflammation10aIntracellular Signaling Peptides and Proteins10aLiposomes10aMale10aMiddle Aged10aMuscle Proteins10aPhenotype10aPhosphoprotein Phosphatases10aReactive Oxygen Species10aSkin10aSkin Neoplasms10aUltraviolet Rays1 aPuig-Butille, Joan, Anton1 aMalvehy, Josep1 aPotrony, Miriam1 aTrullas, Carles1 aGarcia-Garcia, Francisco1 aDopazo, Joaquin1 aPuig, Susana uhttps://clinbioinfosspa.es/content/role-cpi-17-restoring-skin-homoeostasis-cutaneous-field-cancerization-effects-topical