Epidermolysis Bullosa in sheep
Ontology highlight
ABSTRACT:
PROVIDER: PRJEB37460 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| ERR4236130_1.fastq.gz | Fastqsanger.gz | |||
| ERR4236130_2.fastq.gz | Fastqsanger.gz | |||
| ERR4236131_1.fastq.gz | Fastqsanger.gz | |||
| ERR4236131_2.fastq.gz | Fastqsanger.gz | |||
| ERR4236129_1.fastq.gz | Fastqsanger.gz |
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Project description:Gene editing in induced pluripotent stem (iPS) cells has been hailed for enabling new cell therapies for various monogenetic diseases including dystrophic epidermolysis bullosa(DEB). However, manufacturing, efficacy, and safety roadblocks have limited the development of genetically corrected, autologous iPS cell-based therapies. We developed Dystrophic Epidermolysis Bullosa Cell Therapy (DEBCT), a new generation GMP-compatible (cGMP), reproducible, and scalable platform to produce autologous clinical-grade iPS cell-derived organotypic induced skin composite (iSC) grafts to treat incurable wounds of patients lacking type VII collagen (C7).
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Project description:Recessive dystrophic epidermolysis bullosa (RDEB) is a monogenetic skin disorder caused by mutations in the COL7A1 gene. Missing type VII collagen leads to severe blister formation and frequent chronic wounds. Patients suffering from RDEB are prone to develop particulary aggressive squamous cell carcinoma (SCC), representing the major cause of mortality. This dataset provides Affymetrix microarray (miRNA4.1) based whole transcriptome data on RNA isolated from cultured primary keratinocytes (KC) as well as squamous cell carcinoma (SCC). Cells were derived from punch biopsies or tumor resections from either healthy donors or SCC patients with or without the diagnosis recessive dystrophic epidermolysis bullosa (RDEB). Primary KC and SCC were cultivated in fully defined medium till subconfluency. Total RNA was isolated and microarray assay performed.
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Project description:Patients with the genetic skin blistering disease recessive dystrophic epidermolysis bullosa (RDEB) develop aggressive and metastatic cutaneous squamous cell carcinoma which is the principal cause of premature mortality in this patient group. We performed gene expression profiling of RDEB-SCC cells compared to RDEB keratinocytes in order to identify tumor-specific molecules that could potentially be exploited for detection, diagnosis, and therapy of this devastating disease.
2017-12-07 | GSE106571 | GEO
Project description:Recessive dystrophic epidermolysis bullosa (RDEB) is a severely debilitating disorder caused by mutations in COL7A1 and is characterized by extreme skin fragility, chronic inflammation and fibrosis. A majority of RDEB patients develop squamous cell carcinoma (SCC), a highly aggressive skin cancer with limited treatment options currently available. In this study, we utilized a novel approach leveraging WGS and RNA-seq across three different tissues in a single RDEB patient to gain insight into possible mechanisms of RDEB-associated SCC progression and to identify potential novel therapeutic options. As a result, we identified PLK-1 as a possible candidate for targeted therapy and discovered microsatellite instability and accelerated aging as factors potentially contributing to the aggressive nature and early onset of RDEB SCC.
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Project description:Recessive dystrophic epidermolysis bullosa (RDEB) is a monogenetic skin disorder caused by mutations in the COL7A1 gene. Missing type VII collagen leads to severe blister formation and frequent chronic wounds. Patients suffering from RDEB are prone to develop particulary aggressive squamous cell carcinoma (SCC), representing the major cause of mortality. This dataset provides Affymetrix microarray (ClariomD) based whole transcriptome data on RNA isolated from cultured primary RDEB keratinocytes (RDEB-KC) as well as RDEB squamous cell carcinoma (RDEB-SCC). Cells were derived from punch biopsies or tumor resections from patients with confirmed diagnosis recessive dystrophic epidermolysis bullosa (RDEB). Primary KC and SCC were cultivated in fully defined medium till subconfluency. Total RNA was isolated and microarray assay performed.
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Project description:The goal of this study is to characterize the expression profile of Epidermolysis bullosa simplex-mottled pigmentation (EBS-MP) patient compared with normal subjects using genomic expression analyses. Microarray analyses were performed with RNA isolated from skin biopsies. Robust multiarray analysis (RMA) normalization and Smyth’s moderated t test were used to select differentially expressed genes. Expression profiling comparisons show that 52 genes are differentially expressed in EBS-MP patients compared to control subjects. Difference of expression for three genes (TYR, CCL22 , and ACVR1C ) was validated using real-time reverse transcription–polymerase chain reaction. Twelve genes were related to lipid biosynthesis process, two to keratinisation and skin pigmentation, Nineteen to cell growth and apoptosis, five to immune response and fourteen to predicted or less known function cluster. To our knowledge, the distinctive pattern of gene expression that characterizes EBS-MP versus healthy skin tissue has never been reported. RNA used for the microarrays analysis was isolated from superficial 2mm punch biopsies composed of mainly epidermis with minimal dermis amounts of normal-appearing skin of one EBS-MP patient and seven healthy volunteers.
2012-03-10 | E-GEOD-36406 | biostudies-arrayexpress
Project description:Recessive dystrophic epidermolysis bullosa (RDEB), intractable skin genetic disease, is caused by mutations in COL7A1. Most RDEB patients have mutations in a compound heterozygous manner. We established an RDEB model mouse with patient type mutations in a compound heterozygous manner. We selected two mutations, c.5818delC and E2857X, which is recurrently identified in human RDEB cohort, and introduced the mutations at corresponding locations of the mouse genome. We analyzed the established mouse by single cell RNA-seq to clarify how loss of functional type VII collagen impact on the integrity of skin.
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Project description:The goal of this study is to characterize the expression profile of Epidermolysis bullosa simplex-mottled pigmentation (EBS-MP) patient compared with normal subjects using genomic expression analyses. Microarray analyses were performed with RNA isolated from skin biopsies. Robust multiarray analysis (RMA) normalization and Smyth’s moderated t test were used to select differentially expressed genes. Expression profiling comparisons show that 52 genes are differentially expressed in EBS-MP patients compared to control subjects. Difference of expression for three genes (TYR, CCL22 , and ACVR1C ) was validated using real-time reverse transcription–polymerase chain reaction. Twelve genes were related to lipid biosynthesis process, two to keratinisation and skin pigmentation, Nineteen to cell growth and apoptosis, five to immune response and fourteen to predicted or less known function cluster. To our knowledge, the distinctive pattern of gene expression that characterizes EBS-MP versus healthy skin tissue has never been reported.
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Project description:Patients with the genetic skin blistering disease recessive dystrophic epidermolysis bullosa (RDEB) develop aggressive cutaneous squamous cell carcinoma (cSCC). Metastasis leading to mortality is greater in RDEB than in other patient groups with cSCC. Here we investigate the dermal component in RDEB using mRNA expression profiling to compare cultured fibroblasts isolated from individuals without cSCC and directly from tumor matrix in RDEB and non-RDEB samples. While gene expression of RDEB normal skin fibroblasts resembled that of cancer-associated fibroblasts, RDEB cancer-associated fibroblasts exhibited a distinct and divergent gene expression profile, with a large proportion of the differentially expressed genes involved in matrix and cell adhesion. RDEB cancer-associated fibroblasts conferred increased adhesion and invasion to tumor and non-tumor keratinocytes. Reduction of COL7A1, the defective gene in RDEB, in normal dermal fibroblasts led to increased type XII collagen, thrombospondin-1 and Wnt-5A, while re-expression of wild type COL7A1 in RDEB fibroblasts decreased type XII collagen, thrombospondin- 1, and Wnt-5A expression, reduced tumor cell invasion in organotypic culture, and restricted tumor growth in vivo. Overall our findings demonstrate that matrix composition in patients with RDEB is a permissive environment for tumor development, and type VII collagen directly regulates the composition of matrix proteins secreted by dermal and cancer-associated fibroblasts. 16 samples
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