Homo sapiens
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA391577 | ENA |
REPOSITORIES: ENA
Similar Datasets
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Project description:Gene expression profiling of immortalized human mesenchymal stem cells with hTERT/E6/E7 transfected MSCs. hTERT may change gene expression in MSCs. Goal was to determine the gene expressions of immortalized MSCs.
2010-09-25 | GSE24338 | GEO
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Project description:Transcriptional profiling of Homo sapiens inflammatory skin diseases (whole skin biospies): Psoriasis (Pso), vs Atopic Dermatitis (AD) vs Lichen planus (Li), vs Contact Eczema (KE), vs Healthy control (KO) In recent years, different genes and proteins have been highlighted as potential biomarkers for psoriasis, one of the most common inflammatory skin diseases worldwide. However, most of these markers are not psoriasis-specific but also found in other inflammatory disorders. We performed an unsupervised cluster analysis of gene expression profiles in 150 psoriasis patients and other inflammatory skin diseases (atopic dermatitis, lichen planus, contact eczema, and healthy controls). We identified a cluster of IL-17/TNFα-associated genes specifically expressed in psoriasis, among which IL-36γ was the most outstanding marker. In subsequent immunohistological analyses IL-36γ was confirmed to be expressed in psoriasis lesions only. IL-36γ peripheral blood serum levels were found to be closely associated with disease activity, and they decreased after anti-TNFα-treatment. Furthermore, IL-36γ immunohistochemistry was found to be a helpful marker in the histological differential diagnosis between psoriasis and eczema in diagnostically challenging cases. These features highlight IL-36γ as a valuable biomarker in psoriasis patients, both for diagnostic purposes and measurement of disease activity during the clinical course. Furthermore, IL-36γ might also provide a future drug target, due to its potential amplifier role in TNFα- and IL-17 pathways in psoriatic skin inflammation. In recent years, different genes and proteins have been highlighted as potential biomarkers for psoriasis, one of the most common inflammatory skin diseases worldwide. However, most of these markers are not psoriasis-specific but also found in other inflammatory disorders. We performed an unsupervised cluster analysis of gene expression profiles in 150 psoriasis patients and other inflammatory skin diseases (atopic dermatitis, lichen planus, contact eczema, and healthy controls). We identified a cluster of IL-17/TNFα-associated genes specifically expressed in psoriasis, among which IL-36γ was the most outstanding marker. In subsequent immunohistological analyses IL-36γ was confirmed to be expressed in psoriasis lesions only. IL-36γ peripheral blood serum levels were found to be closely associated with disease activity, and they decreased after anti-TNFα-treatment. Furthermore, IL-36γ immunohistochemistry was found to be a helpful marker in the histological differential diagnosis between psoriasis and eczema in diagnostically challenging cases. These features highlight IL-36γ as a valuable biomarker in psoriasis patients, both for diagnostic purposes and measurement of disease activity during the clinical course. Furthermore, IL-36γ might also provide a future drug target, due to its potential amplifier role in TNFα- and IL-17 pathways in psoriatic skin inflammation.
2014-12-02 | GSE63741 | GEO
Project description:Specific Aims To identify novel transcriptional events associated with angiogenesis in VEGF and Ang-1 stimulated rat aortic rings. Our studies take advantage of the capacity of rat aortic rings to generate new vessels in collagen gels. Rat aortic rings embedded in collagen gel immediately after excision from the animal produce a self-limited angiogenic response under serum-free conditions and in the absence of exogenous stimuli. This angiogenic response can be dose-dependently promoted by vascular endothelial growth factor (VEGF) and angiopoietin-1 (Ang-1), which are critical regulators of the angiogenic process during embryonal development and postnatal angiogenesis. Aortic rings lose their capacity to spontaneously generate new vessels if embedded in collagen gels 10-14 days after excision. VEGF has the capacity to turn back “on” these quiescent rings producing florid angiogenesis. Conversely, Ang-1 potentiates an existing angiogenic response, but is unable to turn the quiescent system “on”. Since VEGF-mediated induction of angiogenic sprouting occurs 1-2 days of treatment, we hypothesize that this process is regulated by a unique set of “angiogenesis inducer genes” that are activated by VEGF and not by Ang-1. Identification of the proteins encoded by these genes may advance our understanding of the molecular mechanisms that regulate the earliest stages of the angiogenic cascade. Keywords: Response to growth factors
2006-03-22 | GSE3355 | GEO
Project description:Transcriptional profiling of human mesenchymal stem cells comparing normoxic MSCs cells with hypoxic MSCs cells. Hypoxia may inhibit senescence of MSCs during expansion. Goal was to determine the effects of hypoxia on global MSCs gene expression.
2011-02-19 | GSE20463 | GEO