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S100P is a metastasis-associated gene that facilitates transendothelial migration of pancreatic cancer cells [HG-U133B]

ABSTRACT: Pancreatic cancer is a devastating disease with both local invasion and distant metastasis. Identifying the genes expressed in liver metastases and signatures of metastatic progression would therefore be of particular importance as they could aid in both recurrence prediction as well as representing novel therapeutic targets. Keywords: Gene expression profiling

ORGANISM(S): Homo sapiens

PROVIDER: GSE19280 | GEO | 2013/08/15

SECONDARY ACCESSION(S): PRJNA123893

REPOSITORIES: GEO

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S100P is a metastasis-associated gene that facilitates transendothelial migration of pancreatic cancer cells [HG-U133A]

2013-08-15 | GSE19279 | GEO

S100P is a metastasis-associated gene that facilitates transendothelial migration of pancreatic cancer cells [HG-U133B]

Project description:Pancreatic cancer is a devastating disease with both local invasion and distant metastasis. Identifying the genes expressed in liver metastases and signatures of metastatic progression would therefore be of particular importance as they could aid in both recurrence prediction as well as representing novel therapeutic targets. Keywords: Gene expression profiling We have performed microarray gene expression analysis of normal pancreas, primary pancreatic ductal adenocarcinoma (PDAC), normal liver and pancreatic liver metastases to identify potential therapeutic targets.

2013-08-15 | E-GEOD-19280 | biostudies-arrayexpress

S100P is a metastasis-associated gene that facilitates transendothelial migration of pancreatic cancer cells [HG-U133A]

Project description:Pancreatic cancer is a devastating disease with both local invasion and distant metastasis. Identifying the genes expressed in liver metastases and signatures of metastatic progression would therefore be of particular importance as they could aid in both recurrence prediction as well as representing novel therapeutic targets. Keywords: Gene expression profiling We have performed microarray gene expression analysis of normal pancreas, primary pancreatic ductal adenocarcinoma (PDAC), normal liver, and pancreatic liver metastases to identify potential therapeutic targets. This dataset is part of the TransQST collection.

2013-08-15 | E-GEOD-19279 | biostudies-arrayexpress

S100P is a metastasis-associated gene that facilitates transendothelial migration of pancreatic cancer cells [HG-U133_Plus_2]

Project description:We and others have shown that S100P is highly upregulated during the progression of pancreatic cancer. We used microarrays to look at the target genes regulated by S100P in the pancreatic cancer cell line Panc1. Keywords: Gene overexpression We generated stable cell lines by introducing control vector pcDNA3.1/V5-His or S100P-overexpressing vector pcDNA3.1/S100P-V5-His into the pancreatic cancer cell line Panc1, single cell clones were then isolated. RNA was extracted and hybridized on Affymetrix microarrays. We looked for new target genes regulated by S100P.

| S-ECPF-GEOD-19278 | biostudies-other

S100P is a metastasis-associated gene that facilitates transendothelial migration of pancreatic cancer cells [HG-U133_Plus_2]

2013-08-15 | GSE19278 | GEO

S100P is a metastasis-associated gene that facilitates transendothelial migration of pancreatic cancer cells [HG-U133_Plus_2]

2013-08-15 | E-GEOD-19278 | biostudies-arrayexpress

S100P is a metastasis-associated gene that facilitates transendothelial migration of pancreatic cancer cells

Project description:This SuperSeries is composed of the SubSeries listed below.

2013-08-15 | GSE19281 | GEO

Gene expression signature and the prediction of recurrence in stage III colorectal cancer by DNA microarray

Project description:Samples were taken from colorectal cancers in surgically resected specimens in 36 colorectal cancer patients. The expression profiles were determined using Affymetrix Human Genome U133 Plus 2.0 arrays. Comparison between the sample groups allow to identify a set of discriminating genes that can be used for molecular markers for predicting recurrence. Keywords: repeat Thirty-six colorectal cancer patients who had undergone surgical resection of colorectal cancer were studied. In all patients, curative resection was performed and no patients had any distant metastasis at the time of operation (stage III patients). Among the 36 patients, 23 patients did not develop recurrence. On the other hand, 13 patients developed rucurrence such as liver metastases, lung metastases and distant lymph node metastases. The median follow up period was 4.5 years.

2010-08-31 | E-GEOD-4526 | biostudies-arrayexpress

S100P is a metastasis-associated gene that facilitates transendothelial migration of pancreatic cancer cells

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2013-08-15 | E-GEOD-19281 | biostudies-arrayexpress

The Role of the C-Terminal Lysine of S100P in S100P-Induced Cell Migration and Metastasis.

Project description:S100P protein is a potent inducer of metastasis in a model system, and its presence in cancer cells of patients is strongly associated with their reduced survival times. A well-established Furth Wistar rat metastasis model system, methods for measuring cell migration, and specific inhibitors were used to study pathways of motility-driven metastasis. Cells expressing C-terminal mutant S100P proteins display markedly-reduced S100P-driven metastasis in vivo and cell migration in vitro. These cells fail to display the low focal adhesion numbers observed in cells expressing wild-type S100P, and the mutant S100P proteins exhibit reduced biochemical interaction with non-muscle myosin heavy chain isoform IIA in vitro. Extracellular inhibitors of the S100P-dependent plasminogen activation pathway reduce, but only in part, wild-type S100P-dependent cell migration; they are without effect on S100P-negative cells or cells expressing C-terminal mutant S100P proteins and have no effect on the numbers of focal adhesions. Recombinant wild-type S100P protein, added extracellularly to S100P-negative cells, stimulates cell migration, which is abolished by these inhibitors. The results identify at least two S100P-dependent pathways of migration, one cell surface and the other intracellularly-linked, and identify its C-terminal lysine as a target for inhibiting multiple migration-promoting activities of S100P protein and S100P-driven metastasis.

| S-EPMC8533620 | biostudies-literature

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