Background: Stress may have various effects on our bodies. In particular, the skin may be readily influenced by stress. In addition, there are individual differences in the way we feel stress, suggesting the involvement of genetic factors in such individual differences.
Objectives: In this study, we analysed the influence of stress on skin condition and ageing involving Japanese females, and investigated single nucleotide polymorphisms (SNPs) that influence perceived stress of an individual.
Methods: We collected genotype data from 1200 Japanese females. At the same time, a questionnaire was conducted on the degree of stress that each subject feels on a daily basis and the current skin condition. We analysed the effects of stress on skin condition and searched for SNPs related to individual stress susceptibility by genome-wide association studies.
Results: Our data suggested that stress influences skin condition and ageing, as previously reported. And, we found rs74548608 as a SNP that affects perceived stress of an individual. This SNP is located on the upstream of Patched-1, which is a gene that functions as a sonic hedgehog receptor.
Conclusions: Our study has identified new genetic factors for perceived stress of an individual in the Japanese female. The SNP found in this study may be a candidate factor important for understanding the perceived stress of an individual of Japanese.
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http://dx.doi.org/10.1002/ski2.110 | DOI Listing |
Invest Ophthalmol Vis Sci
January 2025
Laboratory of Anatomy of Domestic Animals, National Key Laboratory of Veterinary Public Health and Safety, College of Veterinary Medicine, China Agricultural University, Haidian, Beijing, China.
Purpose: Because chickens have excellent light perception properties, this study focused on investigating whether monochromatic light can cause photodamage in chicken retinal ganglion cells (RGCs).
Methods: Post-hatching day chickens were exposed to four different light-emitting diode light environments for five weeks, respectively, monochromatic blue light (480 nm), green light (560 nm), red light (660 nm), or white light (6000 K). The mechanisms through which monochromatic light influences the structure of the chicken retina were analyzed by detecting the morphological structure of the retina, gene and protein expression levels, and the ultrastructure of the optic nerve.
Eur J Breast Health
January 2025
Department of Psychology, Faculty of Humanities and Social Science, Bursa Technical University, Bursa, Turkey.
A significant number of scientific data concerning breast cancer is generated in Turkey. The present research reviewed postgraduate theses examining the psychological evaluation of breast cancer patients conducted in Turkey. The objective of the review study was to ascertain the focal topics of the theses, identify commonly examined psychological variables, determine research gaps, compare the frequency of experimental and intervention studies with other kinds of research, and provide recommendations for literature.
View Article and Find Full Text PDFCurr J Neurol
April 2024
Department of Neurology, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Stress has been known as a risk factor for the onset and modification of autoimmune disorders such as myasthenia gravis (MG). However, the patients can control their stress and improve their quality of life (QOL) using some factors such as psychological and social support. Psychological capital and social support play a key role in decreasing stress and improving QOL in the patients with MG.
View Article and Find Full Text PDFFront Mol Neurosci
December 2024
School of Basic Medical Science, Jining Key Laboratory of Pharmacology, Jining Medical University, Jining, Shandong, China.
Sensorineural hearing loss (SNHL) is characterized by a compromised cochlear perception of sound waves. Major risk factors for SNHL include genetic mutations, exposure to noise, ototoxic medications, and the aging process. Previous research has demonstrated that inflammation, oxidative stress, apoptosis, and autophagy, which are detrimental to inner ear cells, contribute to the pathogenesis of SNHL; however, the precise mechanisms remain inadequately understood.
View Article and Find Full Text PDFFront Public Health
January 2025
School of Obstetrics and Childcare, Faculty of Medicine, Universidad Andrés Bello, Santiago, Chile.
Background: Urinary incontinence (UI), which can be classified as stress, urgency, or mixed, represents a public health problem that mainly affects adult women. This study aimed to determine the prevalence, association of sociodemographic and obstetric factors with the types of UI as well as the perceived impact on quality of life of women attending primary health facilities in the Tacna region from Peru.
Methods: A quantitative, non-experimental, correlational, and cross-sectional study was conducted.
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