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Transcriptomic analysis of transforming growth factor beta (TGF-beta)-responding SCC cells and Fc epsilon receptor I alpha (FceRIa)-positive macrophages

ABSTRACT: TGF-beta-responding SCC cells, a tumor-initiating cell population, show a unique gene expression signature, including antioxidant gene expression and IL-33 upregulation. IL-33-responding macrophages in SCC, which also express Fc epsilon receptor I alpha, show a gene expression signature that resembles alternatively-activated macrophages

ORGANISM(S): Mus musculus

PROVIDER: GSE151783 | GEO | 2020/07/20

REPOSITORIES: GEO

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Transcriptomic analysis of transforming growth factor beta (TGF-beta)-responding SCC cells and Fc epsilon receptor I alpha (FceRIa)-positive macrophages

Project description:Transcriptomic analysis of transforming growth factor beta (TGF-beta)-responding SCC cells and Fc epsilon receptor I alpha (FceRIa)-positive macrophages

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Defining an invasion signature at the leading edge of cutaneous squamous cell carcinoma (SCC): IL-24 driven MMP-7 and MMP-13 expression.

Project description:Purpose: Primary cutaneous squamous cell carcinoma (SCC) can be an invasive cancer in skin and has the potential to metastasize. We aimed to define the cancer related molecular changes that distinguish non-invasive from invasive SCC. Experimental design: We used laser capture microdissection technique in combination with cDNA microarray analysis in order to determine molecular changes that associate with SCC progression. Results: We defined invasion-associated genes as those udifferentially regulated only in SCC invasive nests, but not in actinic keratosis-like dysplasia or SCC in situ regions, compared to normal epidermis. We designated these genes as “invasion signature gene set of cutaneous SCC”. Overall we found 383 up- and 354 down-regulated probe-sets that constitute the invasion signature gene set. As part of this profile, SCC invasion is associated with aberrant gene expression changes of numerous MMPs including MMP7 (FCH=5.43, FDR<0.01) and MMP13 (FCH=12.53, FDR<0.01). IL-24 is also up-regulated in the leading invasive edge of SCC (FCH=6.74, FDR<0.01). IL-24 enhanced mRNA expression of both MMP7 and MMP13 in a human SCC cell line. Laminin332, which is one of the target molecules of MMP7, had altered expression at the leading edge of SCC invasion nests at both the genomic and protein level. Conclusions: We defined the distribution of MMPs within human cutaneous SCC tissue showing distinct expression with progression from normal skin to actinic keratosis to SCC in situ to invasive carcinoma. We further suggest a potential role for IL-24 in progression to invasion via MMP7 and MMP13. Laser capture microdissection was performed on 5 cases of actinic keratosis, 5 cases of in situ SCC, and 5 cases of invasive SCC.

2013-04-30 | E-GEOD-42677 | biostudies-arrayexpress

Defining an invasion signature at the leading edge of cutaneous squamous cell carcinoma (SCC): IL-24 driven MMP-7 and MMP-13 expression.

2013-04-30 | GSE42677 | GEO

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Project description:We performed lung ADC and SCC transcriptome profiling from KRasG12D; Fbw7f/f murine lung tumors by RNA-seq and compared them with a consensus lung SCC signature using data from two different SCC models (Lkb1f/f; Ptenf/f, Cancer Cell 2014 and LSL-Sox2; Ptenf/f; Cdkn2abf/f, Cancer Cell 2016) that has been validated in human lung SCC

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The Role of JNK1/2 in Mouse Lung Squamous Cell Carcinoma (SCC) Development

Project description:Lung cancer is the leading cause of cancer death in USA. Squamous Cell Carcinoma (SCC) is one of the subtypes of lung cancer. It is still largely unknown which genes or pathways regulate lung SCC development. Recently, we found JNK1/2 pathway was inhibited in mouse lung SCC induced by double ablation of Pten and Lkb1 in mouse lung epithelial cells. Now we aim to identify a genome-wide molecular signature of JNK1/2 signaling in mouse squamous cell carcinoma cells and determine pathways that transduce JNK1/2 signaling.

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ST779-MRSA with a pseudo SCCmec-SCC-SCC (CRISPR)

Project description:WHole genome sequencing of a ST779-MRSA isolate identified a novel composite SCC element we have termed a pseudo SCCmec-SCC-SCC(CRISPR) element

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Project description:We analysed active enhancers in UPCI-SCC-090, UM-SCC-104, FaDu and NP69SV40T by performing ChIP-seq on H3K4me3, H3K4me1 and H3K27ac.

2023-01-06 | GSE211473 | GEO

miRNA expression profiling in squamous cell carcinoma (SCC)

Project description:Despite its prevalence, the molecular basis of squamous cell carcinoma (SCC) remains poorly understood. We recently identified the developmental transcription factor Grhl3 as a potent tumor suppressor of SCC, and demonstrated that targeting of Grhl3 by a miR-21-dependent proto-oncogenic network underpins SCC in humans. Reduced levels of GRHL3 and its target gene PTEN are evident in human skin, and head and neck SCC, associated with increased expression of miR-21, which targets both tumor suppressors. Our data defines the miR-21-GRHL3-PTEN-axis as a critical tumor suppressor pathway in SCC.

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Project description:IL-33/IL-2 induced macrophages transcriptome sequencing analysis

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Expression data from lung SCC treated with DMSO and PXD101

Project description:We used microarrays to detail the global programme of gene expression in lung SCC cells treated with belinostat, a pan-HDAC inhibitor. The primary focus of this work is to investigate the efficacy of belinostat on lung SCC cells. Our phosphoproteomic profiling analyses revealed the downregulation of MAPK signaling pathway upon drug treatment, together with the induction of apoptosis. While HDAC inhibition generally affects transcription, the mechanism of SOS/MAPK downregulation was therefore proposed to be affected at the transcriptomic level. However, genes related to MAPK pathway were not significantly regulated upon belinostat treatment, whereas ubiquitin-proteasome gene signature was affected. This supports an indirect mechanism of epigenetic regulation on MAPK signaling that should be explored further.

2017-08-31 | GSE85979 | GEO

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