Peripheral Skin Temperature and Circadian Biological Clock in Shift Nurses after a Day off
AbstractThe circadian biological clock is essentially based on the light/dark cycle. Some people working with shift schedules cannot adjust their sleep/wake cycle to the light/dark cycle, and this may result in alterations of the circadian biological clock. This study explored the circadian biological clock of shift and daytime nurses using non-invasive methods. Peripheral skin temperature, cortisol and melatonin levels in saliva, and Per2 expression in pubic hair follicle cells were investigated for 24 h after a day off. Significant differences were observed in peripheral skin temperature and cortisol levels between shift and daytime nurses. No differences in melatonin levels were obtained. Per2 maximum values were significantly different between the two groups. Shift nurses exhibited lower circadian variations compared to daytime nurses, and this may indicate an adjustment of the circadian biological clock to continuous shift schedules. Non-invasive procedures, such as peripheral skin temperature measurement, determination of cortisol and melatonin in saliva, and analysis of clock genes in hair follicle cells, may be effective approaches to extensively study the circadian clock in shift workers. View Full-Text
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Bracci, M.; Ciarapica, V.; Copertaro, A.; Barbaresi, M.; Manzella, N.; Tomasetti, M.; Gaetani, S.; Monaco, F.; Amati, M.; Valentino, M.; Rapisarda, V.; Santarelli, L. Peripheral Skin Temperature and Circadian Biological Clock in Shift Nurses after a Day off. Int. J. Mol. Sci. 2016, 17, 623.
Bracci M, Ciarapica V, Copertaro A, Barbaresi M, Manzella N, Tomasetti M, Gaetani S, Monaco F, Amati M, Valentino M, Rapisarda V, Santarelli L. Peripheral Skin Temperature and Circadian Biological Clock in Shift Nurses after a Day off. International Journal of Molecular Sciences. 2016; 17(5):623.Chicago/Turabian Style
Bracci, Massimo; Ciarapica, Veronica; Copertaro, Alfredo; Barbaresi, Mariella; Manzella, Nicola; Tomasetti, Marco; Gaetani, Simona; Monaco, Federica; Amati, Monica; Valentino, Matteo; Rapisarda, Venerando; Santarelli, Lory. 2016. "Peripheral Skin Temperature and Circadian Biological Clock in Shift Nurses after a Day off." Int. J. Mol. Sci. 17, no. 5: 623.
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