ATAC sequencing of sorted BCC cells after vismodegib treatment
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ABSTRACT:
PROVIDER: PRJNA480705 | ENA |
REPOSITORIES: ENA
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Project description:K14Cre-ER; Ptch1fl/fl; p53fl/fl;Lgr5GFP mice were aged until the appropriate tumor density was achieved. Skin samples were taken from control mice (untreated) or mice treated for 6 days or 14 days at twice a day dosing with vismodegib (75mg/kg body weight). RNA was extracted from freshly FACS sorted tumor cells based on GFP intensity. The "SAMPLE_ID" sample characteristic is a sample identifier internal to Genentech.
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Project description:MicroRNA expression profiling of mouse basal cell carcinoma (BCC) cells comparing BCC cells transfected with a stealth for dio3 transcript or control stealth-RNA.
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2016-02-24 | E-GEOD-78265 | biostudies-arrayexpress
Project description:K14Cre-ER; Ptch1fl/fl; p53fl/fl;Lgr5GFP mice were aged until the appropriate tumor density was achieved. Skin samples were taken from control mice (untreated) or mice treated for 6 days or 14 days at twice a day dosing with vismodegib (75mg/kg body weight). RNA was extracted from freshly FACS sorted tumor cells based on GFP intensity. The "SAMPLE_ID" sample characteristic is a sample identifier internal to Genentech. The ID of this project in Genentech's ExpressionPlot database is PRJ0014328
2018-08-08 | GSE116961 | GEO
Project description:Activation of the Sonic hedgehog (Shh) signaling pathway due to Patched 1 (PTCH1) mutation is a key event in sporadic and familial basal cell carcinoma (BCC) development. To find out the specific pathway for therapeutic intervention, we developed a mouse BCC model by skin specific Ptch1 inactivation, and sought to identify novel Shh targets. We used microarrays to identify up-regulated genes in mouse BCC. We used microarrays to identify down-regulated genes in mouse BCC cell line by cyclopamine.
2018-01-15 | GSE20065 | GEO
Project description:Background; Basal cell carcinoma (BCC) is the most common cancer in humans. The pathogenesis of BCC is associated with the sonic hedgehog (SHH) signaling pathway. Vismodegib, a smoothened inhibitor, that targets this pathway is now in clinical use for advanced BCC patients, but its efficacy is limited. Therefore, new therapeutic options for this cancer are required. Methods; We studied gene expression profiling of BCC tumour tissue coupled with laser capture microdissection to identify tumor specific receptor tyrosine kinase expression that can be targeted by small molecule inhibitors. The expression of selected molecules was confirmed by quantitative RT-PCR (qRT-PCR) and by immunohistochemistry. The action of kinase inhibitors was examined on primary normal human epidermal keratinocytes. Results; We found a >250 fold change increase (false discovery rate <10-4) of the oncogene, anaplastic lymphoma kinase (ALK) as well as its ligands, pleiotrophin and midkine in BCC compared to microdissected normal epidermis. qRT-PCR confirmed increased expression of ALK (p<0.05). Stronger staining of phosphorylated ALK in BCC tumour nests than normal skin was observed by immunohistochemistry. Additionally, Crizotinib, an FDA-approved ALK inhibitor, reduced keratinocyte proliferation in culture, whereas a c-Met, another receptor tyrosine kinase, inhibitor did not. Crizotinib significantly reduced the expression of GLI1 and CCND2 mRNA by approximately 60% and 20%, respectively (p<0.05). Conclusions; Our data suggest that ALK may increase GLI1 expression in parallel with the conventional SHH-pathway and promotes keratinocyte proliferation. Furthermore, an ALK inhibitor alone or in combination with targeting SHH-pathway molecules may be a potential treatment for BCC patients. Laser capture microdissection was performed on 5 cases of nodular/superficial BCC, 5 cases of infiltrative BCC.
2013-01-30 | E-GEOD-42109 | biostudies-arrayexpress
Project description:Background; Basal cell carcinoma (BCC) is the most common cancer in humans. The pathogenesis of BCC is associated with the sonic hedgehog (SHH) signaling pathway. Vismodegib, a smoothened inhibitor, that targets this pathway is now in clinical use for advanced BCC patients, but its efficacy is limited. Therefore, new therapeutic options for this cancer are required. Methods; We studied gene expression profiling of BCC tumour tissue coupled with laser capture microdissection to identify tumor specific receptor tyrosine kinase expression that can be targeted by small molecule inhibitors. The expression of selected molecules was confirmed by quantitative RT-PCR (qRT-PCR) and by immunohistochemistry. The action of kinase inhibitors was examined on primary normal human epidermal keratinocytes. Results; We found a >250 fold change increase (false discovery rate <10-4) of the oncogene, anaplastic lymphoma kinase (ALK) as well as its ligands, pleiotrophin and midkine in BCC compared to microdissected normal epidermis. qRT-PCR confirmed increased expression of ALK (p<0.05). Stronger staining of phosphorylated ALK in BCC tumour nests than normal skin was observed by immunohistochemistry. Additionally, Crizotinib, an FDA-approved ALK inhibitor, reduced keratinocyte proliferation in culture, whereas a c-Met, another receptor tyrosine kinase, inhibitor did not. Crizotinib significantly reduced the expression of GLI1 and CCND2 mRNA by approximately 60% and 20%, respectively (p<0.05). Conclusions; Our data suggest that ALK may increase GLI1 expression in parallel with the conventional SHH-pathway and promotes keratinocyte proliferation. Furthermore, an ALK inhibitor alone or in combination with targeting SHH-pathway molecules may be a potential treatment for BCC patients.
2013-01-30 | GSE42109 | GEO
Project description:We used scRNA-Seq to examine BCC immune cell heterogeneity.
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