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Transcription profiling of mouse MB114 endothelial cells during in vitro angiogenesis on Matrigel

ABSTRACT: MB114 cells cultured on Matrigel for 1, 5, 15, 25 hours Experiment Overall Design: Total RNA was extracted from capillary-like matricies and used to synthesize biotin labeled probes.

ORGANISM(S): Mus musculus

SUBMITTER: Allan Ray Albig

PROVIDER: E-GEOD-7507 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Expression data of MB114 Endothelial cells during in vitro angiogenesis on Matrigel

Project description:MB114 cells cultured on Matrigel for 1, 5, 15, 25 hours Keywords: time course experiment

2007-05-20 | GSE7507 | GEO

HUVEC with/without VEGF-A treatment in 3D matrigel or 2D monoculture

Project description:To profile changes in gene expression in human endothelial cells in response to VEGF-A165 and phenotypic changes during vascular network formation in vitro 16 samples of human umbilical vein endothelial cells were analysized, four distinct biological samples were used in each condition. The four conditions included: VEGF treatment in Matrigel culture, Mock treatment in Matrigel culture, VEGF treatment in 2D monolayer, and mock treatment in 2D monolayer.

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Infection of Myeloid Angiogenic Cells (MACs) with Bartonella henselae (B.h.) induces a chord formation phenotype in vitro.

Project description:Myeloid Angiogenic Cells (MACs) were infected with the intracellular, bacterial pathogen Bartonella henselae (B.h.). Infected cells were seeded onto Matrigel coated plates. While uninfected cells showed no phenotypic changes and died over time, infected cells showed strong phenotypic changes and developed into complex 2D chord networks over the course of long term culture (eg 49d). To examine the changes in gene expression associated with the development of the B.h.dependent chord formation phenotype, RNA was isolated from MACs shortly after isolation (d4) and from cells of the chord structures (+B.h. Matrigel). As primary endothelial cells are also know to form chord networks when cultured on Matrigel, a sample of human umbilical vein endothelial cells (HUVECs) cultured on Matrigel for 12hr was also included in the analysis as a control. myeloid angiogenic cells (MACs) from three donors were compared d4 after isolation with MACs infected with Bartonella henselae and cultured on Matrigel coated plates for up to 49 days, 1 sample from human umbilical cord vein endothelial cells (HUVECs) cultured for 12hr on Matrigel coated plates were also included as a control.

2015-04-23 | E-GEOD-55170 | biostudies-arrayexpress

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Tissue extracellular matrix hydrogels as alternative to Matrigel for culturing gastrointestinal organoids

Project description:Matrigel, a mouse tumor extracellular matrix (ECM) protein mixture, is an indispensable component of most organoid tissue culture. However, it has limited the utility of organoids for drug development and regenerative medicine due to its tumor-derived origin, batch-to batch variation, high cost, and safety issues. Here, we demonstrate that gastrointestinal (GI) tissue-derived ECM hydrogels are a suitable substitute for Matrigel in GI organoid culture. We found that the development and function of GI organoids grown in GI ECM hydrogels are comparable or often superior to those in Matrigel. In addition, GI ECM hydrogels enabled long-term subculture and transplantation of GI organoids by providing GI tissue-mimetic microenvironments. Tissue-specific and age-related ECM profiles of GI ECM hydrogels that affect organoid development were also elucidated through proteomic analysis. Together, our results suggest that ECM hydrogels derived from decellularized GI tissues are an effective alternative to the current gold standard, Matrigel, and produce organoids suitable for GI disease modeling, drug development, and tissue regeneration.

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Epithelium-only cultured stem cells isolated from human pluripotent stem cell derived intestinal organoids grown in matrigel and alginate

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RNA-seq of wildtype mouse small intestinal organoids grown in Matrigel or in/on collagen.

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Gene expression analysis of MCF7 breast cancer cells cultured as xenografts, in two dimensional cultures, in polyHEMA anchorage independent three dimansional cell culture models and in Matrigel three dimensional cultures.

Project description:The traditional method for studying cancer in vitro is to grow immortalized cancer cells in two-dimensional (2D) monolayers on plastic. However, many cellular features are impaired in these unnatural conditions and big alterations in gene expression in comparison to tumors have been reported. Three-dimensional (3D) cell culture models have become increasingly popular and are suggested to be better models than 2D monolayers due to improved cell-to-cell contacts and structures that resemble in vivo architecture. The aim of this study was to compare gene expression patterns of MCF7 breast cancer cells when grown as xenografts, in 2D, in polyHEMA coated anchorage independent 3D models and in Matrigel on-top 3D cell culture models. Surprisingly small variations in gene expression patterns were observed between the models indicating that 3D and xenograft are not always that different from 2D cell cultures. Gene expression analysis of MCF7 breast cancer cells cultured as xenografts for 43 days, in two dimensional cultures for seven days (2D7d), in polyHEMA three dimensional cell culture models for four and seven days (PH7d and PH7d), and in Matrigel three dimensional cultures for four and seven days (MG4d and MG7d). Two biological replicates was included for each sample.

2013-10-30 | E-GEOD-47583 | biostudies-arrayexpress

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