Abstract:
:CD133 and CD44 are commonly used markers of cancer stem cells (CSCs), which are characterized by their ability for self-renewal and tumorigenicity. However, the clinical value and significance of CD133 and CD44 in lung metastasis of osteosarcoma (OS) remains controversial. The purpose of this study was to investigate whether CD133(+) CD44(+) cells mediates the metastasis of OS. We identified the CD133(+) CD44(+) cells in lung metastatic lesions and OS cell lines, and next demonstrated CD133(+) CD44(+) cells were more aggressive in sphere formation, migration and invasiveness compared with CD133(+) CD44(-) , CD133(-) CD44(+) , or CD133(-) CD44(-) cells. We finally sorted the CD133(+) CD44(+) and CD133(-) CD44(-) cells from Saos-2 cell lines, after intratibial xenograft in nude mice, these cells developed primary tumors, and CD133(+) CD44(+) cells are more potential to form lung metastatic tumors. Thus we concluded that CD133(+) CD44(+) cells may mediate in the lung metastasis of OS.
journal_name
J Cell Biochemjournal_title
Journal of cellular biochemistryauthors
He A,Yang X,Huang Y,Feng T,Wang Y,Sun Y,Shen Z,Yao Ydoi
10.1002/jcb.25131subject
Has Abstractpub_date
2015-08-01 00:00:00pages
1719-29issue
8eissn
0730-2312issn
1097-4644journal_volume
116pub_type
杂志文章abstract::Osteosarcoma (OS) is the most malignant primary bone tumor in children and adolescents with limited treatment options and poor prognosis. Recently, aberrant expression of Runx2 has been found in OS, thereby contributing to the development, and progression of OS. However, the upstream signaling molecules that regulate ...
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abstract::The PML protein and PML nuclear bodies (PML-NB) are implicated in multiple cellular functions relevant to tumor suppression, including DNA damage response. In most cases of acute promyelocytic leukemia, the PML and retinoic acid receptor alpha (RARA) genes are translocated, resulting in expression of oncogenic PML-RAR...
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abstract::Prostate cancer (PCa) cells frequently invade the surrounding stroma, leading to heterogeneous formation of structural atypia. The surrounding stroma contains multiple functionally diverse populations of fibroblasts that trigger numerous changes in PCa cells including motility. Thus, we hypothesized that direct or ind...
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abstract::The sequences from several independent cDNA clones encoding the chicken vitamin D receptor as well as primer extension assay have clearly delineated the 5' terminus and the transcriptional start site. Screening a chicken genomic library produced genomic clones containing vitamin D receptor (VDR) gene fragments. Restri...
journal_title:Journal of cellular biochemistry
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abstract::The signal transduction system that mediates bacterial chemotaxis allows cells to modulate their swimming behavior in response to fluctuations in chemical stimuli. Receptors at the cell surface receive information from the surroundings. Signals are then passed from the receptors to cytoplasmic chemotaxis components: C...
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abstract::Forkhead box class O6 (FOXO6) is an important member of FOXO family, which has been demonstrated to be implicated in tumor development. However, the role of FOXO6 in colorectal cancer (CRC) is still unclear. The study aimed to investigate the potential roles of FOXO6 in the development of CRC. Our results showed that ...
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abstract::Pancreatic stellate cells (PSCs) secrete various factors, which can influence the β-cell function. The identification of stellate cell infiltration into the islets in pancreatic diseases suggests possible existence of cross-talk between these cells. To elucidate the influence of PSCs on β-cell function, mouse PSCs wer...
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abstract:BACKGROUND:It has been reported that the fastigial nucleus (FSN) plays an important role in the development of vascular dementia (VD). Both autophagy and inflammation are functionally involved in the pathogenesis of VD. In this study, we aimed to evaluate the therapeutic effect of electrical cerebellar fastigial nucleu...
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abstract::This study aims to investigate how microRNA-375 (miR-375) improves immune function by regulating liver macrophages (Kupffer cells) in mice with liver failure. Forty mice were divided into ConA-1h, ConA-3h, ConA-6h, and control groups, with 10 mice in each group. Mice models of liver failure were established by injecti...
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abstract::Human prostate cancers (PCa) express great variability in their ability to metastasize to bone. The identification of molecules associated with aggressive phenotypes will help to define PCa subsets and will ultimately lead to better treatment strategies. The chemokine stromal-derived factor-1 (SDF-1 or CXCL12) and its...
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abstract:UNLABELLED:Chemotherapy treatment is the standard in triple negative breast cancers, a cancer subgroup which lacks a specific target. The mechanisms leading to the response, as well as any markers that allow the differentiation between responder and non-responder groups prior to treatment are unknown. In parallel, miRN...
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abstract::The complex nuclear structure of somatic cells is important to epigenomic regulation, yet little is known about nuclear organization of human embryonic stem cells (hESC). Here we surveyed several nuclear structures in pluripotent and transitioning hESC. Observations of centromeres, telomeres, SC35 speckles, Cajal Bodi...
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abstract::Strong activation of the ERK signal is required for hepatocyte growth factor (HGF) to inhibit proliferation of the human hepatocellular carcinoma cell line HepG2. However, it is still to be elucidated whether the activation alone is sufficient to induce the inhibitory effect. In this study, we constructed HepG2 cell c...
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abstract::The comet assay is one of the most widely used approaches for detecting DNA damage; generally, it provides information on the cell population-averaged level of DNA damage. Here, we present an automatic technique for easy measurement of standard comet characteristics and an annotation of the cell cycle phase of each co...
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abstract::The retinoblastoma protein (RB) recruits histone deacetylase (HDAC) to repress E2F-mediated transactivation that plays a critical role in cell cycle regulation. RB is also involved in activation of expression of a number of tissue specific- and differentiation-related genes. In this study, we examined the mechanism by...
journal_title:Journal of cellular biochemistry
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更新日期:2001-08-21 00:00:00
abstract::Helicobacter pylori (H. pylori) infection causes chronic gastritis and peptic ulceration and is the strongest risk factor for the development of gastric cancer. The pathogenesis of H. pylori is believed to be associated with infection-initiated chronic gastritis, which is characterized by enhanced expression of many i...
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abstract::The core binding factor (CBF) acute myeloid leukemias (AMLs) are a prognostically distinct subgroup that includes patients with the inv(16) and t(8:21) chromosomal rearrangements. Both of these rearrangements result in the formation of fusion proteins, CBFB-MYH11 and AML1-ETO, respectively, that involve members of the...
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abstract::Icb-1 is a human gene previously described by our group to exert important functions in cancer cells of different origin. We now performed microarray-based gene expression profiling with subsequent network modeling to further elucidate the role of icb-1 in breast cancer cells. Analyzing the effect of icb-1 knockdown o...
journal_title:Journal of cellular biochemistry
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abstract::The examination of scaffold attachment factor B1 (SAFB1) and its multiple functions and tasks in cellular processes provides insight into its role in diseases, such as cancer. SAFB1 is a large multi-domain protein with well-described functions in transcriptional repression, and RNA splicing. It is ubiquitously express...
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更新日期:2010-02-01 00:00:00
abstract::Tributyltin oxide (TBTO) has been widely used as marine antifouling composition, preservative, biocide, and a stabilizer in plastic industry. Previous studies have indicated that TBTO can cause immunotoxicity as an environmental pollutant. However, little is known about its reproductive toxicity, especially on female ...
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abstract::Chronic renal failure is often associated with a resistance to the biologically active form of vitamin D(3), the nuclear hormone 1alpha, 25-dihydroxyvitamin D(3) (VD). The actions of VD are mediated by the vitamin D receptor (VDR), a ligand-dependent transcription factor that binds as a dimeric complex with the retino...
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abstract::Arsenic is a well-known environmental toxicant but the mechanism by which it causes cytotoxicity is poorly understood. Arsenite induces apoptosis in glutathione (GSH)-deficient GCS-2 cells by causing cell cycle dysfunction and down-regulating critical signaling pathways. This study was designed to examine the effect o...
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更新日期:2010-05-15 00:00:00
abstract::C. difficile toxin B is a potent cytotoxin known to disrupt the microfilaments of cultured cells. We have recently shown also increased phospholipase A2 activity in cells treated with toxin B. The activity was detected as a toxin-induced, dose-dependent release of 14C-arachidonic acid from prelabeled fibroblasts. Here...
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abstract::The epidermal growth factor receptor (EGFR) exhibits an inverse correlation with estrogen receptor (ER) expression in the majority of breast cancers, predicting a poor response to endocrine therapy and poor survival rate. Inappropriate overexpression of EGFR in breast cancer is associated with a more aggressive phenot...
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abstract::In a human lymphoblastoid cell line (Z83) in which rDNA genes on chromosome 22 are amplified but transcribed at a low level, immunocytological studies with antibodies to 5 methylcytidine provided evidence for hypermethylation of the rDNA. The extent of methylation of the 5' flanking sequences of the ribosomal DNA was ...
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abstract::Platelet-derived growth factor (PDGF) has been implicated in smooth muscle cell (SMC) proliferation, a key event in the development of myointimal hyperplasia in vascular grafts. Recent evidence suggests that the PDGF receptor (PDGFR) tyrosine kinase inhibitor, imatinib, can prevent arterial proliferative diseases. Bec...
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abstract::In this report, we describe a human immunodeficiency virus type-1 (HIV-1)-infected promyelocytic cell line, OM, derived from HL-60 cells. Although the OM cell line was biologically cloned twice, the pattern of HIV-1 expression during culture appeared analogous to a classical acute spreading infection and was inhibited...
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