Human papillomaviruses (HPVs) are commensal viruses with pathogenic potential. Their life cycle requires the proliferation and differentiation of keratinocytes (KCs) to form pluristratified epithelia. Based on the original organotypic epithelial raft cultures protocol, we provide an updated workflow to optimally generate pluristratified human epithelia supporting the complete HPV replicative life cycle, here called 3D full-thickness epithelial cultures (3Deps). We describe steps for HPV genome preparation, KC transfection, and dermal equivalent preparation. We then detail procedures for 3Deps culture, harvesting, and analysis.
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http://dx.doi.org/10.1016/j.xpro.2023.102828 | DOI Listing |
Sci Adv
January 2025
Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA, USA.
Oxygen controls most metazoan metabolism, yet in mammals, tissue O levels vary widely. While extensive research has explored cellular responses to hypoxia, understanding how cells respond to physiologically high O levels remains uncertain. To address this problem, we investigated respiratory epithelia as their contact with air exposes them to some of the highest O levels in the body.
View Article and Find Full Text PDFJ Occup Health
January 2025
Department of Environmental Health, University of Fukui School of Medical Science, Eiheiji, Fukui, Japan.
Objectives: Many chemicals have been used for industrial purposes, and some of them are carcinogenic to humans. However, their molecular mechanisms have not been well understood. Reactive oxygen species are generated from industrial chemicals and contribute to carcinogenesis.
View Article and Find Full Text PDFBiomimetics (Basel)
January 2025
Department of Biology, Texas A&M University, 3258 TAMU, College Station, TX 77843, USA.
In this preliminary study, the long-term effects of calcium chloride crosslinking concentration on viability of 16HBE14o- human bronchial epithelial cells embedded in alginate-extracellular matrix (ECM) or alginate-methylcellulose-ECM hydrogels have been investigated. There is currently a limited understanding regarding the effects of crosslinking solution concentration on lung epithelial cells embedded in hydrogel. Furthermore, the effects of calcium chloride concentration in crosslinking solutions on other cell types have not been reported regarding whether the addition of viscosity and stiffness tuning agents such as methylcellulose will alter the responses of cells to changes in calcium chloride concentration in crosslinking solutions.
View Article and Find Full Text PDFDent J (Basel)
December 2024
Department of Sports Dentistry, School of Dentistry, Meikai University, Sakado 350-0283, Japan.
Conventional techniques for evaluating hydration status include the analysis of blood, urine, and body weight. Recently, advancements in dentistry have introduced capacitance sensor-based oral epithelial moisture meters as promising avenues for assessment. This study aimed to examine the correlation between oral mucosal moisture content, as determined using a capacitance sensor, and exercise-induced dehydration.
View Article and Find Full Text PDFCells
January 2025
Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University of Florida Jacksonville College of Medicine, 653-1 West 8th Street, Jacksonville, FL 32209, USA.
Thyroid dysfunction is associated with a number of neuropsychiatric manifestations. Cognitive decline is a common feature of hypothyroidism and clinical or subclinical hyperthyroidism. In addition, there is a significant association between thyroid hormone (TH) levels and the degree of cognitive impairment in Parkinson's disease (PD).
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