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CD133+ cells contain cancer stem cell-like properties in Malignant Mixed Mullerian Tumor (Carcinosarcoma) of the Uterus

ABSTRACT: Cancer stem cells (CSCs) that display tumor-initiating properties have recently been identified. We herein identify and characterize CSCs in human uterine carcinosarcoma, a highly aggressive and therapy-resistant gynecologic malignancy, which is considered to be of mesodermal origin. FU-MMT-1, a cell-line, which was established by us (Emoto M, Cancer 1992) from a patient with uterine carcinosarcoma, was evaluated. FU-MMT-1 contained a high population of CD133, CD44, CD90, and CD29 positive cells. Using the magnetic bead cell separation method, we isolated CD133+ cells, which predominantly form spheres in culture. These CD133+ cells form transplantable tumors in vivo. A qRT-PCR analysis of the genes implicated in stem cell maintenance revealed that CD133+ cells express significantly higher levels of OCT4, NANOG, and BMI-1 than CD133－ cells. Moreover, CD133+ cells showed a high expression of PAX2 and WNT4, which are the essential genes in Mullerian duct formation. The tumor derived from CD133+ cells replicated vimentin, ERα, ERβ, and PR expressions　of the parent tumor. These findings suggest that CD133+ FU-MMT-1 cells have the characteristics of CSCs and Mullerian mesenchymal progenitors.

ORGANISM(S): Homo sapiens

PROVIDER: GSE27172 | GEO | 2013/02/10

SECONDARY ACCESSION(S): PRJNA137383

REPOSITORIES: GEO

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CD133+ cells contain cancer stem cell-like properties in Malignant Mixed Mullerian Tumor (Carcinosarcoma) of the Uterus

Project description:Cancer stem cells (CSCs) that display tumor-initiating properties have recently been identified. We herein identify and characterize CSCs in human uterine carcinosarcoma, a highly aggressive and therapy-resistant gynecologic malignancy, which is considered to be of mesodermal origin. FU-MMT-1, a cell-line, which was established by us (Emoto M, Cancer 1992) from a patient with uterine carcinosarcoma, was evaluated. FU-MMT-1 contained a high population of CD133, CD44, CD90, and CD29 positive cells. Using the magnetic bead cell separation method, we isolated CD133+ cells, which predominantly form spheres in culture. These CD133+ cells form transplantable tumors in vivo. A qRT-PCR analysis of the genes implicated in stem cell maintenance revealed that CD133+ cells express significantly higher levels of OCT4, NANOG, and BMI-1 than CD133M-oM-<M- cells. Moreover, CD133+ cells showed a high expression of PAX2 and WNT4, which are the essential genes in Mullerian duct formation. The tumor derived from CD133+ cells replicated vimentin, ERM-NM-1, ERM-NM-2, and PR expressionsM-cM-^@M-^@of the parent tumor. These findings suggest that CD133+ FU-MMT-1 cells have the characteristics of CSCs and Mullerian mesenchymal progenitors. CD133+ and CD133- population of FU-MMT-1 cells were analyzed by microarray.

2013-02-10 | E-GEOD-27172 | biostudies-arrayexpress

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Homo sapiens

Project description:CD133+ cells contain cancer stem cell-like properties in Malignant Mixed Mullerian Tumor (Carcinosarcoma) of the Uterus

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Whole-genome DNA methylation profiling identifies epigenetic signatures of uterine carcinosarcoma

Project description:Uterine carcinosarcoma (UCS) is a form of endometrial cancer simultaneously exhibiting carcinomatous and sarcomatous elements, but the underlying molecular and epigenetic characteristic of this disease is poorly understood. We generated complete DNA methylomes for both the carcinomatous and the sarcomatous components of three UCS samples separated by laser capture microdissection and compared DNA methylomes of UCS with that of normal endometrium as well as methylomes derived from endometrioid carcinoma, serous endometrial carcinoma, and endometrial stromal sarcoma. We identified epigenetic lesions specific to carcinosarcoma, and specific to two components. Hallmarks of DNA methylation abnormality of UCS included global hypomethylation, especially in repetitive elements, and hypermethylation of tumor suppressor gene promoters. Among these, aberrant DNA methylation of MIR200 genes is a key feature of UCS. The carcinoma component of UCS was characterized by hypermethylation of promoters of EMILIN1, NEFM and CLEC14A, genes that are associated with tumor vascularization. In contrast, DNA methylation changes of PKP3, FAM83F and TCP11 were more characteristic of the sarcoma components. Our findings highlight the epigenetic signatures that distinguish the two components of UCS, providing a valuable resource for investigation of these diseases.

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snoRNA-sequencing analysis of liver cancer stem cells from human samples

Project description:To explore the role of small nucleolar RNA (snoRNA) on self-renewal of liver cancer stem cells (CSCs), we isolated liver CSCs (CD133+CD13+) and Non-CSCs (CD133-CD13-) from huamn liver tumor tissues.

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T-cell receptor repertoire in uterine and ovarian carcinosarcoma

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CGH analysis of two components of carcinosarcoma

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CD133+CD24lo defines a 5-Fluorouracil-resistant colon cancer stem cell-like phenotype

Project description:Metastatic human colon carcinoma cell lines LS411N and SW620 were cultured in the presence of increased concentration of 5-FU. The selected stable cell lines (LS411N-5FU-R and SW620-5FU-R) are CD133+ that are resistant to 5-FU. However, FACS-sorted CD133+ cells from LS411N and SW620 are not resistant to 5-FU, suggesting that only a subset of CD133+ cells are 5-FU-resistant colon cancer stem cells. A global gene expression profiling was performed to identify differentiated expressed genes between LS411N-CD133+ cells and LS411N-5FU-R, and between SW620-CD133+ and SW620-5FU-R cells. These differentially expressed genes are potentially responsible for the colon cancer stem cell phenotypes and chemoresistance.

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