نتایج جستجو برای: maspin gene
تعداد نتایج: 1141580 فیلتر نتایج به سال:
Maspin is a mammary serine protease inhibitor that is encoded by human SERPINB5 gene, and inhibits invasion and metastasis of cancer cells as a tumor suppressor. We performed a systematic meta- and bioinformatics analysis through multiple online databases up to Feb 10, 2017. We found down-regulated maspin expression in gastric cancer, compared with normal mucosa and dysplasia (p < 0.05). Maspin...
Altered degradation and deposition of extracellular matrix are hallmarks of tumor progression and response to therapy. From a microarray supervised analysis on a dataset of chemotherapy-treated breast carcinoma patients, maspin, a member of the serpin protease inhibitor family, has been the foremost variable identified in non-responsive versus responsive tumors. Accordingly, in a series of 52 h...
PURPOSE Maspin, a tumor-suppressor protein that regulates cell migration, invasion, and adhesion, is synthesized by many normal epithelial cells, but downregulated in invasive epithelial tumor cells. The purpose of this study was to determine whether cells in the normal human cornea express maspin and whether maspin affects corneal stromal cell adhesion to extracellular matrix molecules. METH...
Maspin is a novel serine protease inhibitor with tumor suppressive activity, inhibiting tumor invasion and metastasis. To date, the underlying molecular mechanism of maspin remains elusive. Recombinant maspin has been shown to specifically inhibit cell surface-associated urokinase-type plasminogen activator (uPA) and fibrinogen-bound tissue-type plasminogen activator. However, the role of endog...
A TUMOR-SUPPRESSIVE ROLE OF MASPIN SECRETED VIA THE EXOSOMESbyIVORY DEANDecember 2014Advisor: Shijie Sheng, Ph.D. Major: Cancer BiologyDegree: Doctor of PhilosophyThis dissertation highlights several novel findings. Maspin has been consistentlydetected in the conditioned media of maspin-expressing cells of normal and tumorbreast, prostate and lung origin. Fur...
BACKGROUND The purpose of this study was to evaluate the loss of heterozygosity (LOH) in chromosomes 17p13 (p53 gene) and in 18q21 (mammary serine protease inhibitor [maspin] gene), and the expression of both genes in tissues, in patients with oral cavity squamous cell carcinoma (SCC). METHODS Thirty patients with oral cavity SCC have been evaluated for the presence of LOH in chromosomes 17p1...
BACKGROUND To investigate the role of maspin expression in the progression of gastrointestinal stromal tumors, and its value as a prognostic indicator. METHODS In the study 54 patients with GIST diagnosis were included in Uludag University of Faculty of Medicine, Department of Pathology between 1997-2007. The expression of maspin in 54 cases of gastrointestinal stromal tumor was detected by i...
Maspin is expressed aberrantly in pancreatic ductal adenocarcinoma (PDAC), and its function is still unknown. To explore the role of maspin in PDAC, we constructed wild-type maspin-expressing Panc-1 clones (Panc-1-maspin) by transfecting maspin cDNA into Panc-1, a PDAC-derived cell line that lacks maspin expression. As a control, mock-transfected clones (Panc-1-mock) were constructed using the ...
Maspin, a noninhibitory serine protease inhibitor, exerts multifaceted tumor-suppressive effects. Maspin expression is associated with better differentiated phenotypes, better cancer prognosis, and better drug sensitivity. Consistently, maspin also correlates with increased expression of Bax and p21WAF1/CIP1. Interestingly, histone deacetylase 1 (HDAC1), a major HDAC responsible for histone dea...
BACKGROUND AND PURPOSE Maspin is an inhibitor of serine proteinases with tumor suppressor activity that is down-regulated in breast and prostate cancer, but overexpressed in pancreatic carcinoma. However, there were very few published data regarding the role of maspin in ovarian carcinoma. The aim of the present study was to evaluate maspin expression in ovarian epithelial neoplasms and correla...
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