Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR24315631.fastq.gz | Fastqsanger.gz | |||
| SRR24315632.fastq.gz | Fastqsanger.gz | |||
| SRR24315633.fastq.gz | Fastqsanger.gz | |||
| SRR24315634.fastq.gz | Fastqsanger.gz | |||
| SRR24315635.fastq.gz | Fastqsanger.gz |
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Project description:In this study we explored the effects of chronological and photoageing on the miRNome of human skin. To this end, miRNA expression was analysed in biopsies collected from sun-exposed (outer arm) and sun-protected (inner arm) skin from fair-skinned (phototype II/III) healthy female volunteers of two age groups: young, 18-25 years and aged, >70 years. Strict inclusion criteria were used for photoageing scoring and for chronological ageing. Microarray analysis revealed that chronological ageing had minor effect on the human skin miRNome. In contrast, photoageing had a robust impact on miRNAs, and a set of miRNAs differentially expressed between sun-protected and sun-exposed skin of the young and aged groups was identified. We have performed miRNome analysis (using microarray) on RNA isolated from sun-exposed and sun-protected skin of young and old females
2018-08-31 | GSE114006 | GEO
Project description:Genome wide DNA methylation profiling of epidermal and dermal samples obtained from sun-exposed and sun-protected body sites from younger (<35 years old) and older (>60 years old) individuals. The Illumina Infinium 450k Human DNA methylation Beadchip was used to obtain DNA methylation profiles across approximately 450,000 CpGs in dermal and epidermal samples. Samples included 10 younger sun protected dermal samples, 10 younger sun exposed dermal samples, 10 older sun protected dermal samples, 10 older sun exposed dermal samples, 9 younger sun protected epidermal samples, 9 younger sun exposed epidermal samples, 10 older sun protected epidermal sample, 10 older sun exposed epidermal samples.
2015-03-23 | GSE51954 | GEO
Project description:We compared genome-wide DNA copy number alterations and mutational status in BRAF and RAS genes of 126 primary melanomas arising in four groups in which UV exposure differ: skin with (n=30), and without chronic sun damage (n=40); palms, soles and subungual (acral) sites (n=36) (which have very little sun exposure); and mucosa (n=20) (no sun exposure). Keywords: other
2005-11-05 | GSE2631 | GEO
Project description:Gene expression profiling of epidermal samples obtained from sun-exposed and sun-protected body sites from younger (<35 years old) and older (>60 years old) individuals. The Affymetrix U133A plus 2.0 array was used to obtain gene expression data. Samples included 4 younger sun exposed epidermal samples, 4 older sun exposed epidermal samples, 3 younger sun protected epidermal samples, 5 older sun protected epidermal samples.
2015-03-23 | GSE67098 | GEO
Project description:This SuperSeries is composed of the following subset Series: GSE17411: Sun and shade leaves_2x ambient ozone_050805 GSE17413: Sun and shade leaves_2x ambient ozone_210605 GSE17414: Sun and shade leaves_2x ambient ozone_120505 GSE17415: Sun and shade leaves_2x ambient ozone_190905 GSE17416: Sun and shade leaves_2x ambient ozone_020806 GSE17417: Sun and shade leaves_2x ambient ozone_120906 GSE17418: Sun and shade leaves_2x ambient ozone_091006 GSE17419: Sun and shade leaves_2x ambient ozone_270606 Refer to individual Series
2011-10-20 | E-GEOD-17545 | biostudies-arrayexpress
Project description:Genome wide DNA methylation profiling of epidermal and dermal samples obtained from sun-exposed and sun-protected body sites from younger (<35 years old) and older (>60 years old) individuals. The Illumina Infinium 450k Human DNA methylation Beadchip was used to obtain DNA methylation profiles across approximately 450,000 CpGs in dermal and epidermal samples. Samples included 10 younger sun protected dermal samples, 10 younger sun exposed dermal samples, 10 older sun protected dermal samples, 10 older sun exposed dermal samples, 9 younger sun protected epidermal samples, 9 younger sun exposed epidermal samples, 10 older sun protected epidermal sample, 10 older sun exposed epidermal samples. Bisulphite converted DNA from the 78 samples were hybridized to the Illumina Infinium 450k Human Methylation Beadchip.
2015-03-23 | E-GEOD-51954 | biostudies-arrayexpress
Project description:The UV radiation induced epigenetic changes play an important role in photoaging, but experimental evidence of histone modification to support this perspective has been scarce. Analyse the histone H3 acetylation pattern in sun-exposed and non-exposed skin by ChIP-chip. 227 genes displayed significant histone H3 hyperacetylation and 81 genes displayed significant histone H3 hypoacetylation in sun-exposed skins.
2018-02-28 | GSE104764 | GEO
Project description:Here we used a pan-cytokeratin antibody to differentiate the epidermal from dermal compartment and assayed over 18,000 RNA probes from multiple regions of interest (ROI) comparing sun protected skin, and two regions (edge and center) from AK/sun damaged skin. This allows for a trajectory from sun protected to sun damaged within an individual. Traditionally, cancer biology focusses on change within the tumor compartment for diagnosis and staging and current genetic profiling of actinic keratosis (the precursor lesion for cutaneous squamous cell carcinoma) has focused on analysis limited to whole skin or the epidermal compartment alone. Here we use spatial transcriptomics to compare and contrast the epidermal and stromal compartments from different regions of actinic keratosis and matched sun protected skin from six individuals. Our data show that the major changes in AK at the transcriptional level are evident in the dermal compartment. Sun protected skin (n=5-6 from 6 individuals for a total of 34 ROI), the center of an AK lesion (n=3 for a total of 18 ROI) and edge of the AK lesion (n=2-3 for a total of 17 ROI) representing sun-damaged skin, from six unrelated individuals, the center of an AK lesion (n=3 for a total of 18 ROI) and edge of the AK lesion (n=2-3 for a total of 17 ROI) representing sun-damaged skin, from six unrelated individuals.
2022-12-19 | GSE220998 | GEO
Project description:Here we used a pan-cytokeratin antibody to differentiate the epidermal from dermal compartment and assayed over 18,000 RNA probes from multiple regions of interest (ROI) comparing sun protected skin, and two regions (edge and center) from AK/sun damaged skin. This allows for a trajectory from sun protected to sun damaged within an individual. Traditionally, cancer biology focusses on change within the tumor compartment for diagnosis and staging and current genetic profiling of actinic keratosis (the precursor lesion for cutaneous squamous cell carcinoma) has focused on analysis limited to whole skin or the epidermal compartment alone. Here we use spatial transcriptomics to compare and contrast the epidermal and stromal compartments from different regions of actinic keratosis and matched sun protected skin from six individuals. Our data show that the major changes in AK at the transcriptional level are evident in the dermal compartment. Sun protected skin (n=5-6 from 6 individuals for a total of 34 ROI), the center of an AK lesion (n=3 for a total of 18 ROI) and edge of the AK lesion (n=2-3 for a total of 17 ROI) representing sun-damaged skin, from six unrelated individuals, the center of an AK lesion (n=3 for a total of 18 ROI) and edge of the AK lesion (n=2-3 for a total of 17 ROI) representing sun-damaged skin, from six unrelated individuals.
2022-12-19 | GSE221000 | GEO