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Metabolomics,Unknown,Transcriptomics,Genomics,Proteomics

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Global gene expression analysis of human fibroblasts from whole body

ABSTRACT: Fibroblasts are the principal stromal cells that exist in whole organs and play vital roles in many biological processes. Although the functional diversity of fibroblasts has been estimated, a comprehensive analysis of fibroblasts from the whole body has not been performed and their phenotypical diversity has not been sufficiently explored. The aim of this study was to elucidate the phenotypical diversity of human fibroblasts within the whole body. Global gene expression analysis of 63 human primary fibroblasts from 13 organs elucidated that fibroblasts from the gastrointestinal tract showed a remarkably distinct character compared to that seen in other organs. Furthermore, gastrointestinal fibroblasts were created by topologically diverse subgroups of fibroblasts depending on their organ and histoanatomical site in the gastrointestinal walls. Global gene expression analysis was performed on 63 human primary fibroblasts from 13 anatomical organs. Of these, 32 fibroblasts from gastrointestinal organs were obtained from a pair of 2 histoanatomical sites, including the submucosal layer (submucosal fibroblasts: SMFs) and subperitoneal layer (subperitoneal fibroblasts: SPFs). Using hierarchical clustering analysis, identifiable phenotypical subgroups of fibroblasts were elucidated and the phenotypical character of each subgroup was analyzed.

ORGANISM(S): Homo sapiens

SUBMITTER: Youichi Higuchi

PROVIDER: E-GEOD-63626 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Global gene expression analysis of human fibroblasts from whole body

Project description:Fibroblasts are the principal stromal cells that exist in whole organs and play vital roles in many biological processes. Although the functional diversity of fibroblasts has been estimated, a comprehensive analysis of fibroblasts from the whole body has not been performed and their phenotypical diversity has not been sufficiently explored. The aim of this study was to elucidate the phenotypical diversity of human fibroblasts within the whole body. Global gene expression analysis of 63 human primary fibroblasts from 13 organs elucidated that fibroblasts from the gastrointestinal tract showed a remarkably distinct character compared to that seen in other organs. Furthermore, gastrointestinal fibroblasts were created by topologically diverse subgroups of fibroblasts depending on their organ and histoanatomical site in the gastrointestinal walls.

2014-11-26 | GSE63626 | GEO

Human Subperitoneal Fibroblasts and Cancer Cell Interaction Creates Microenvironment Enhancing Tumor Progression and Metastasis

Project description:Fibroblasts isolated from human colon submucosal and subperitoneal layer were stimulated by colon cancer cell line (DLD-1) cultured medium. Peritoneal invasion in colon cancer is an important prognostic factor, and the fibrosis with α-SMA was a significant pathological feature of the cancer microenvironment formed by peritoneal invasion (CMPI). The result indicated that the gene expression of subperitoneal fibroblasts showed more various gene modification than submucosal fibroblasts. And ACTA2 expression was higher in fibroblasts from subperitoneal layer than that from submucosal layer. Together with this concordant stromal protein expression in CMPI, this in vitro model is able to reflect the special microenvironment in CMPI. 3 cases of human colon submucosal and subperitoneal fibroblasts were isolated, and these fibroblasts were stimulated with DLD-1 cultured medium. Total RNA were extracted from these samples and hybridized in Affymetrix microarray to compare their gene expression changes through the DLD-1 stimulation

2014-02-20 | E-GEOD-53059 | biostudies-arrayexpress

Human Subperitoneal Fibroblasts and Cancer Cell Interaction Creates Microenvironment Enhancing Tumor Progression and Metastasis

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Transcriptional expression of ICC-DMP and ICC-MY in murine small intestine

Project description:Interstitial cells of Cajal (ICC) have important functions in regulation of motor activity in the gastrointestinal tract. In murine small intestine ICC are gathered in the region of the myenteric plexus (ICC-MY) and within the deep-muscular plexus near the submucosal surface of the circular muscle layer (ICC-DMP). These two classes of ICC have different physiological functions. ICC-MY are pacemaker cells and generate the slow wave electrical rhythmicity of gastrointestinal organs. ICC-DMP form synaptic connections with the varicose nerve terminals of enteric motor neurons and are involved in reception and transduction of motor neurotransmission. In the present study we used recently developed highly selective techniques to isolate the two classes of ICC from enzymatically dispersed intestinal muscles by fluorescence-activated cell sorting. Transcriptional expression of the two functional classes was investigated using DNA microarray analysis. Keywords: comparative transcriptional profiling

2007-11-29 | GSE7809 | GEO

Transcription profiling of mouse small intestine interstitial cells of Cajal (ICC) from deep muscular plexus and myenteric plexus

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Single-cell RNA-seq of mouse peripheral iNKT cells

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epithelia and fibroblasts gene profile in 4NQO induced tongue carcinogenesis

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epithelia and fibroblasts gene profile in 4NQO induced tongue carcinogenesis

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Single-cell analysis uncovers inter- and intra-organ fibroblast heterogeneity and provides criteria for fibroblast identification and discrimination from vascular mural cells (Colon)

Project description:Many important cell types in adult vertebrates have a mesenchymal origin, including fibroblasts and vascular mural cells (pericytes and smooth muscle cells). Although their biological importance is undisputed, the level of mesenchymal cell heterogeneity within and between organs, while appreciated, has not been analysed in detail. Here, we compare single-cell transcriptional profiles of fibroblasts and vascular mural cells across four murine muscular organs: heart, skeletal muscle, intestine and bladder. We reveal gene expression signatures that demarcate fibroblasts from mural cells across these four as well as other organs and provide molecular signatures for cell subtype identification. Striking inter- and intra-organ heterogeneity and specialization were observed amongst the fibroblasts, primarily reflecting differences in the expression of extracellular matrix components. In comparison, mural cells appeared more homogenous. Fibroblast subtypes localize to discrete anatomical positions in all four organs, offering novel predictions about physiological function(s) and regulatory signalling circuits. Our data shed new light on the diversity and relationships between hitherto poorly defined classes of cells and provide a foundation for improved understanding of their roles in physiological and pathological processes.

2020-06-18 | GSE149859 | GEO

Single-cell analysis uncovers inter- and intra-organ fibroblast heterogeneity and provides criteria for fibroblast identification and discrimination from vascular mural cells [heart]

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