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ID8 cells manifest phenotypic plasticity and molecular heterogeneity of high-grade serous ovarian cancer in response to the local tissue niche

ABSTRACT: Spontaneously transformed mouse ovarian surface epithelial cell line ID8 generates a syngeneic mouse model, frequently used in pre-clinical evaluation. Towards a precise, subtype-specific perspective of such applications, we thought it pertinent to study its stratification into a specific molecular subtype, which would provide an accurate setting for interpretation of experimental data. Stratification of ID8 model was achieved through phenotypic, histopathological, and molecular assessment of ID8 cells grown in vitro, its primary xenografts and metastases. TME investigation of primary and metastatic tumors revealed contrasting immune populations.

ORGANISM(S): Mus musculus

PROVIDER: GSE289286 | GEO | 2025/07/02

REPOSITORIES: GEO

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ID8 whole exome sequence

Project description:The data in this submission relate to whole exome sequencing from murine ovarian cancer cell line ID8. All sequencing was performed by Beckman Coulter Genomics, Grenoble, France in February 2013.

2018-03-31 | E-MTAB-4663 | biostudies-arrayexpress

Overexpression of miR-200s in murine ovarian cancer cells (ID8 and 28-2)

Project description:Little is known about the role of miR-200s in the progression of ovarian cancer. In this study we overexpressed the miR-200c/141 cluster, the miR-200b/200a/429 cluster, or both clusters in two different murine ovarian cancer cell lines (ID8 and 28-2). As co-oeverexpression of both clusters provided the best miR-200 overexpression, we evaluated ID8 and 28-2 cells overexpressing both miR-200 clusters (ID8-200f and 28-2-200f) compared to empty vector control cells (ID8EV and 28-2EV). ID8-200f and 28-2-200f cells showed increased expression of several mesenchymal genes, decreased proliferation, decreased invasion and increased apoptosis compared to their respective controls. RNA sequencing of ID8EV, ID8-200f, 28-2EV and 28-2-200f cells revealed that overexpression of miR-200s primary regulated genes involved in epithelial mesenchymal transition EMT) and gene implicated in migration. Therefore, our work suggests that miR-200s can inhibit characteristics associated ovarian cancer progression (increased proliferation and invasion and promotion of EMT).

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ID8 whole exome sequence

Project description:ID8 whole exome sequence

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ID8 cells manifest phenotypic plasticity and molecular heterogeneity of high-grade serous ovarian cancer in response to the local tissue niche

Project description:ID8 cells manifest phenotypic plasticity and molecular heterogeneity of high-grade serous ovarian cancer in response to the local tissue niche

| PRJNA1222341 | ENA

The small molecule ID8 increases Aldefluor+ breast cancer stem cells

Project description:The cancer stem cell (CSC) hypothesis postulates that tumors are maintained by a self-renewing CSC population that is also capable of differentiating into non-self renewing cell populations that constitute the bulk of the tumor. Targeting breast CSC (BCSC) self-renewal represents an avenue for developing therapeutics; however, the molecular mechanisms that govern self-renewal of BCSCs are poorly understood. Our data show the small molecule ID8 decreases overall cell growth, but increases the self-renewal of Aldefluor+ BCSCs and increases functional metastatic BCSCs in a xenograft model. Microarray analysis showed that ID8 is a pleotropic molecule by increasing numerous pathways, including cytokines and chemokines. However, inhibition of those pathways does not abrogate the ID8-induced increase in Aldefluor+ BCSCs. Rather, ID8 is able to activate MAPK pathway through upregulation of the scaffold protein LAMTOR3 and inhibition of MEK prevented the increase in Aldefluor+ BCSCs. By using ID8 as a molecular tool, we identified a new function of the MAPK pathway in regulating BCSC growth and self-renewal.

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DNA methylation in mouse ovarian carcinoma ID8 cell line.

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In vivo-selected ID8 ovarian cancer cells display accelerated peritoneal metastasis accompanied with increased macrophage recruitment and M2 polarization

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Genetically modified ID8 cells to study the role of GBP1 in ovarian cancer

Project description:Genetically modified ovarian cancer cells were used to study the role of GBP1. Proteomics-based thermal stability assay (CETSA) was performed on GBP1 knockdown and overexpressing ID8 ovarian cancer cells. Shotgun proteomics was also performed on these cells.

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Investigation of the direct activity of interferon epsilon on ID8 ovarian cancer cells in vitro.

Project description:This experiment is part of a larger study examining the anti-tumour properties of interferon epsilon in ovarian cancer. The objective of this experiment was to examine the direct activity of interferon epsilon on the mouse ovarian cancer cell line, ID8, and compare it to equivalent unit concentrations of interferon beta. The goal was to determine whether interferon epsilon and interferon beta induce different patterns of gene expression in ID8 cells.

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