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Diversity, Topographic Differentiation, and Positional Memory in Human Fibroblasts

ABSTRACT: A fundamental feature of the architecture and functional design of vertebrate animals is a stroma, composed of extracellular matrix and mesenchymal cells, which provides a structural scaffold and conduit for blood and lymphatic vessels, nerves, and leukocytes. Reciprocal interactions between mesenchymal and epithelial cells are known to play a critical role in orchestrating the development and morphogenesis of tissues and organs, but the roles played by specific stromal cells in controlling the design and function of tissues remain poorly understood. The principal cells of stromal tissue are called fibroblasts, a catch-all designation that belies their diversity. We characterized genome-wide patterns of gene expression in cultured fetal and adult human fibroblasts derived from skin at different anatomical sites. Fibroblasts from each site displayed distinct and characteristic transcriptional patterns, suggesting that fibroblasts at different locations in the body should be considered distinct differentiated cell types. Notablegroups of differentially expressed genes included some implicated in extracellular matrixsynthesis, lipid metabolism, and cell signaling pathways that control proliferation, cellmigration, and fate determination. Several genes implicated in genetic diseases werefound to be expressed in fibroblasts in an anatomic pattern that paralleled the phenotypicdefects. Finally, adult fibroblasts maintained key features of Hox gene expressionpatterns established during embryogenesis, suggesting that Hox genes may directtopographic differentiation and underlie the detailed positional memory in fibroblasts. Keywords: Logical Set

ORGANISM(S): Homo sapiens

PROVIDER: GSE3551 | GEO | 2005/11/03

SECONDARY ACCESSION(S): PRJNA93623

REPOSITORIES: GEO

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Diversity, Topographic Differentiation, and Positional Memory in Human Fibroblasts

Project description:A fundamental feature of the architecture and functional design of vertebrate animals is a stroma, composed of extracellular matrix and mesenchymal cells, which provides a structural scaffold and conduit for blood and lymphatic vessels, nerves, and leukocytes. Reciprocal interactions between mesenchymal and epithelial cells are known to play a critical role in orchestrating the development and morphogenesis of tissues and organs, but the roles played by specific stromal cells in controlling the design and function of tissues remain poorly understood. The principal cells of stromal tissue are called fibroblasts, a catch-all designation that belies their diversity. We characterized genome-wide patterns of gene expression in cultured fetal and adult human fibroblasts derived from skin at different anatomical sites. Fibroblasts from each site displayed distinct and characteristic transcriptional patterns, suggesting that fibroblasts at different locations in the body should be considered distinct differentiated cell types. Notablegroups of differentially expressed genes included some implicated in extracellular matrixsynthesis, lipid metabolism, and cell signaling pathways that control proliferation, cellmigration, and fate determination. Several genes implicated in genetic diseases werefound to be expressed in fibroblasts in an anatomic pattern that paralleled the phenotypicdefects. Finally, adult fibroblasts maintained key features of Hox gene expressionpatterns established during embryogenesis, suggesting that Hox genes may directtopographic differentiation and underlie the detailed positional memory in fibroblasts. Set of arrays organized by shared biological context, such as organism, tumors types, processes, etc

2005-11-02 | E-GEOD-3551 | biostudies-arrayexpress

Transcription profiling of human fibroblasts to examine diversity, topographic differentiation and positional memory

Project description:Diversity, Topographic Differentiation, and Positional Memory in Human Fibroblasts Howard Y. Chang, Jen-Tsan Chi, Sandrine Dudoit, Chanda Bondre, Matt van de Rijn, David Botstein, and Patrick O. Brown A fundamental feature of the architecture and functional design of vertebrate animals is a stroma, composed of xtracellular matrix and mesenchymal cells, which provides a structural scaffold and conduit for blood and lymphatic vessels, nerves, and leukocytes. Reciprocal interactions between mesenchymal and epithelial cells are known to play a critical role in orchestrating the development and morphogenesis of tissues and organs, but the roles played by specific stromal cells in controlling the design and function of tissues remain poorly understood. The principal cells of stromal tissue are called fibroblasts, a catch-all designation that belies their diversity. We characterized genome-wide patterns of gene expression in cultured fetal and adult human fibroblasts derived from skin at different anatomical sites. Fibroblasts from each site displayed distinct and characteristic transcriptional patterns, suggesting that fibroblasts at different locations in the body should be considered distinct differentiated cell types. Notablegroups of differentially expressed genes included some implicated in extracellular matrixsynthesis, lipid metabolism, and cell signaling pathways that control proliferation, cellmigration, and fate determination. Several genes implicated in genetic diseases werefound to be expressed in fibroblasts in an anatomic pattern that paralleled the phenotypicdefects. Finally, adult fibroblasts maintained key features of Hox gene expressionpatterns established during embryogenesis, suggesting that Hox genes may directtopographic differentiation and underlie the detailed positional memory in fibroblasts.

2005-09-27 | E-SMDB-1507 | biostudies-arrayexpress

Single-cell sequencing of adipose-derived mesenchymal stromal cells and dermal fibroblasts

Project description:Single-cell sequencing of adipose-derived mesenchymal stromal cells and fibroblasts.

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Mesenchymal stromal cells from neonatal tracheal aspirates demonstrate a pattern of gene expression consistent with a lung origin

Project description:Expression profiling of lung derived mesenchymal stromal cells to lung fibrblasts and cord blood derived mesenchymal stromal cells We have previously isolated mesenchymal stromal cells (MSCs) from the tracheal aspirates of premature neonates with respiratory distress. While isolation of MSCs correlates with the development of bronchopulmonary dysplasia, the physiologic role of these cells remains unclear. To address this, we further characterized the cells, focusing on the issues of gene expression, origin and cytokine expression. Microarray comparison of early passage neonatal lung MSC gene expression to cord blood MSCs and human fetal and neonatal lung fibroblast lines demonstrated that the neonatal lung MSCs differentially expressed 971 gene probes compared to cord blood MSCs, including the transcription factors Tbx2, Tbx3, Wnt5a, FoxF1 and Gli2, each of which have been associated with lung development. Compared to lung fibroblasts, 710 gene probe transcripts were differentially expressed by the lung MSCs, including IL-6 and IL-8/CXCL8. Further, neonatal lung MSCs exhibited a pattern of Hox gene expression distinct from cord-blood MSCs but similar to human fetal lung fibroblasts, consistent with a lung origin. Together, these data suggest that MSCs isolated from neonatal tracheal aspirates originate in the lung and are distinct from lung fibroblasts.

2010-10-08 | E-GEOD-24583 | biostudies-arrayexpress

The effects of treatments in dermal fibroblasts

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2013-06-04 | GSE47616 | GEO

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Project description:Adipose-derived mesenchymal stromal cells from subcutaneous (n=4) and visceral (n=4) tissue, along with dermal fibroblasts (n=3) were analyzed by single-cell RNA sequencing.

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Expression profile of stromal cells in the lymph node

Project description:Tissue structure of the lymph node (LN) is supported by the network of stromal cells of mesenchymal origin, which is suggested to contribute to various immunological processes. In order to identify stromal cellM-bM-^@M-^Sderived factors that regulate immune function, we performed gene expression profiling of stromal cells freshly isolated from collagenase digested mouse LNs, cultured stromal cell lines, and embryonic fibroblasts as a mesenchymal control. Total RNAs extracted from the CD45-CD31-podoplanin+VCAM-1+ stromal cell fraction was sorted from enzymatically digested mouse LNs, cultured stromal cell lines stimulated with or without lymphotoxin (LTM-NM-2R agonistic antibody), and mouse embryonic fibroblasts (MEFs) were used for microarray analysis to assess relative gene expression.

2014-06-19 | E-GEOD-55251 | biostudies-arrayexpress

Bone marrow-derived multipotent mesenchymal stromal cells promote tongue cancer invasion by inducing collagen production

Project description:Tumor microenvironment (TME) is an active player in malignant growth and spread. Changes in the composition and structure of TME and extracellular matrix can result in either suppression or facilitation of malignant tumor growth. Carcinoma‐associated fibroblasts, bone marrow-derived multipotent mesenchymal stromal cells (BMMSCs), tumor associated macrophages and other inflammatory cells all affect the composition of TME, proliferation and survival of cancer cells, angiogenesis, invasion and metastasis. The objective of this work was to investigate the effect of the interaction between bone marrow-derived BMMSCs and human oral tongue squamous cell carcinoma (OTSCC) cells in the processes of invasion and gene expression. Co-cultures of OTSCC cancer cells and BMMSCs in 3D organotypic invasion assay were used in addition to cell culture, immunological, microarray, and RNA interference techniques. Total number of 4 samples were analyzed. 2 replicates of cultured human oral tongue squamous cell carcinoma (OTSCC) cells, and 2 replicates of OTSCC cells co-cultured with bone marrow-derived multipotent mesenchymal stromal cells

2013-12-01 | E-GEOD-44458 | biostudies-arrayexpress

Molecular Characterization of Breast Carcinoma Associate fibroblasts

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2011-10-24 | E-GEOD-29270 | biostudies-arrayexpress

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