Stratum Corneum Cell Layers

Tagami, Hachiro

doi:10.1007/978-3-540-89656-2_37

Cited by 6 publications

(2 citation statements)

References 26 publications

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“…Our findings describe men as more prone to dry skin (in 6.9 moisture units) compared to women. Generally, it is well described, and the literature agrees with the hypothesis of distinct skin properties for each sex, 27 including SC moisture. 28 Statistical evidence was found for an association between self-declared race and SC moisture; compared to white race/color (the reference level), black and mixed individuals were found to have a “protective gradient” for the layer property (six moisture units for blacks vs two moisture units for mixed race).…”

Section: Discussionsupporting

confidence: 65%

A population-based study of the stratum corneum moisture

Pires¹,

Azambujá²,

Horimoto³

et al. 2016

CCID

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BackgroundThe stratum corneum (SC) has important functions as a bound-water modulator and a primary barrier of the human skin from the external environment. However, no large epidemiological study has quantified the relative importance of different exposures with regard to these functional properties. In this study, we have studied a large sample of individuals from the Brazilian population in order to understand the different relationships between the properties of SC and a number of demographic and self-perceived variables.MethodsOne thousand three hundred and thirty-nine individuals from a rural Brazilian population, who were participants of a family-based study, were submitted to a cross-sectional examination of the SC moisture by capacitance using the Corneometer® CM820 and investigated regarding environmental exposures, cosmetic use, and other physiological and epidemiological measurements. Self-perception-scaled questions about skin conditions were also applied.ResultsWe found significant associations between SC moisture and sex, age, high sun exposure, and sunscreen use frequency (P<0.025). In specific studied sites, self-reported race and obesity were also found to show significant effects. Dry skin self-perception was also found to be highly correlated with the objective measurement of the skin. Other environmental effects on SC moisture are also reported.

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Section: Discussionsupporting

confidence: 65%

A population-based study of the stratum corneum moisture

Pires¹,

Azambujá²,

Horimoto³

et al. 2016

CCID

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“…The biophysical rationale for far‐UVC safety was outlined above (and see Fig. 1) with the stratum corneum (13) and the tear‐film layer (14) respectively acting as protective dead‐cell layers for the epidermis and the ocular cornea. These consideration have been validated both with modeling studies (15) and direct measurements of DNA damage throughout the epidermis and the cornea after far‐UVC exposure (16,17).…”

Section: Commentarymentioning

confidence: 99%

Far‐UVC Light at 222 nm is Showing Significant Potential to Safely and Efficiently Inactivate Airborne Pathogens in Occupied Indoor Locations

Brenner

2022

Photochem & Photobiology

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Far UVC light (UVC wavelengths below 235 nm) is a comparatively new modality with significant potential to safely and very efficiently inactivate airborne pathogens in occupied indoor locations. There are now significant accumulations of evidence both in terms of the safety of far-UVC for direct exposure of occupied indoor locations, and in terms of its efficacy to markedly reduce the levels of active airborne pathogens This article reviews both the safety of far-UVC, which has a clear mechanistic underpinning, and its efficacy, both in the laboratory and in full-sized rooms. Highlighted is the paper by Ma et al. in this issue of Photochemistry and Photobiology which addresses the efficacy of far-UVC light (in this case at 222 nm) against a broad spectrum of common pathogens including SARS-CoV-2 and influenza viruses. From their data, and based on our understanding of the largely random nature of UVC-induced damage within the genome, far UVC would be expected to be effective against the next pandemic virus, if and when it emerges.

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