نتایج جستجو برای: anoikis
تعداد نتایج: 1086 فیلتر نتایج به سال:
Kaposi's sarcoma-associated herpesvirus (KSHV or HHV-8) infection of endothelial cells is an early event in the aetiology of the endothelial cell tumour Kaposi's sarcoma (KS). We have examined the effect of the KSHV latent protein viral FLICE-like inhibitory protein (vFLIP) on dermal microvascular endothelial cell (MVEC) survival as vFLIP is expressed in the KSHV-infected cells within KS lesion...
Survival in lymph or blood is an essential prerequisite for metastasis of carcinoma cells to distant organs. Recently, we reported isolation and initial biological characterization of circulating metastatic cells in a fluorescent, orthotopic, metastatic nude-mouse model of human prostate cancer. Here we show that the metastatic human prostate carcinoma cells selected for survival in the circula...
UNLABELLED Ovarian cancer is a lethal disease with the majority of diagnosed women having distant metastases. Interestingly, although Notch3 overexpression has been correlated with poor survival in epithelial ovarian cancer (EOC), little is known about its mechanism of action. Data show that Notch3 specifically promotes anoikis resistance. In addition, data indicate a positive role for focal ad...
Bax, a member of the Bcl-2 family, translocates to mitochondria during apoptosis, where it forms oligomers which are thought to release apoptogenic factors such as cytochrome c. Using anoikis as a model system, we have examined spatial and temporal changes in Bax distribution. Bax translocates to mitochondria within 15 min of detaching cells from extracellular matrix, but mitochondrial permeabi...
Malignant cells undergo anoikis as they encounter fluid shear stress during transit to a metastatic site. We postulated that intracellular nitric oxide (NO) contributes to this cell death by comparing the growth of human colorectal carcinoma cells in low fluid shear stress rotated three-dimensional (Rotated 3-D) cultures with growth in static three-dimensional (Static 3-D) cultures on nonadhere...
One of the major problems encountered in cell transplantation is the low level of survival of transplanted cells due to detachment-induced apoptosis, called anoikis. The present study reports on the chemical synthesis and biological evaluation of water-soluble molecules that protect suspended cells from anoikis. The synthetic molecules bind to and induce clusters of integrins and heparan-sulfat...
Anoikis resistance (AR) is a favorable attribute exhibited by cancer cells for metastasis. Carcinoma associated Fibroblasts (CAFs) plays a crucial role in AR in various cancers. It was proved in array of studies in different cancers that there was defi nite interrelationship between CAFs and AR. But its role in OSCC is ambiguous. It is the need of the time to reveal the correlation of CAF and o...
Ellagic acid (EA) is able to inhibit the growth of several cancer cells; however, its effect on human ovarian carcinoma cells has not yet been investigated. Ovarian carcinoma ES-2 and PA-1 cells were treated with EA (10~100 μ M) and assessed for viability, cell cycle, apoptosis, anoikis, autophagy, and chemosensitivity to doxorubicin and their molecular mechanisms. EA inhibited cell proliferat...
Aberrant expression of Jagged1 and Notch1 are associated with poor outcome in breast cancer. However, the reason that Jagged1 and/or Notch overexpression portends a poor prognosis is unknown. We identify Slug, a transcriptional repressor, as a novel Notch target and show that elevated levels of Slug correlate with increased expression of Jagged1 in various human cancers. Slug was essential for ...
High proliferative activity of tumor cells requires a sufficient amount energy and plastic substrates, in particular glucose [1]. Intensive consumption this metabolite by leads to its depletion the intercellular environment creates an uneven distribution [2-3]. As result, some can survive adapt deficiency reprogramming their metabolism and/or migrating vasculature. Tumor that lose adhesive cont...
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