نتایج جستجو برای: klf4 gene
تعداد نتایج: 1141913 فیلتر نتایج به سال:
Statins exert atheroprotective effects through the induction of specific transcriptional factors in multiple organs. In endothelial cells, statin-dependent atheroprotective gene up-regulation is mediated by Kruppel-like factor (KLF) family transcription factors. To dissect the mechanism of gene regulation, we sought to determine molecular targets by performing microarray analyses of human umbil...
PURPOSE Krüppel-like factor 4 (KLF4) is a transcription factor and putative tumor suppressor. However, little is known about its effect on aerobic glycolysis in pancreatic tumors. Therefore, we investigated the clinical significance, biologic effects, and mechanisms of dysregulated KLF4 signaling in aerobic glycolysis in pancreatic cancer cells. EXPERIMENTAL DESIGN Expression of KLF4 and lact...
The reprogramming factor Krüppel-like factor 4 (Klf4), one of the Yamanaka's reprogramming factors, plays an essential role in reprogramming somatic cells into induced pluripotent stem cells (iPSCs). Klf4 is dysregulated and displays divergent functions in multiple malignancies, but the biological roles of Klf4 in nasopharyngeal carcinoma (NPC) remain unknown. The present study revealed that Kl...
BACKGROUND Krüppel-like factor 4 (KLF4) is involved in many important cellular processes such as growth, development, differentiation, proliferation, and apoptosis. The purpose of this study was to determine the significance of KLF4 in both tumors and normal tissues of patients with colorectal cancer (CRC). METHODS Between January 2003 and June 2005, 125 patients with CRC receiving treatment ...
BACKGROUND Krüppel-like factor 4 (Klf4) is involved in a variety of cellular functions by activating or repressing the transcription of multiple genes. Results of previous studies showed that tamoxifen-inducible global deletion of the Klf4 gene in mice accelerated neointimal formation following vascular injury, in part via enhanced proliferation of smooth muscle cells (SMCs). Because Klf4 is al...
OBJECTIVES The importance of Oct4 and Sox2 in maintaining pluripotency and self-renewal is well-understood, but the functions of Klf4 and c-Myc has not been fully investigated. In the present study, we attempted to determine the roles of Klf4 and c-Myc on pluripotency maintenance of porcine induced pluripotent stem (piPS) cells. MATERIALS AND METHODS In this experimental study, we performed s...
The mucin 1 (MUC1) heterodimeric protein is aberrantly overexpressed in human breast cancers and induces transformation. The MUC1 COOH-terminal subunit (MUC1-C) is targeted to the nucleus of transformed cells, where it interacts with p53 and regulates p53-mediated transcription. The present studies show that MUC1 represses activation of the p53 gene and that MUC1-C occupies the PE21 element in ...
The transcription factor KLF4 may act both as an oncogene and a tumor suppressor in a tissue-depending manner. In T- and pre-B-cell lymphoma, KLF4 was found to act as tumor suppressor. We found the KLF4 promoter methylated in B-cell lymphoma cell lines and in primary cases of B-cell lymphomas, namely, follicular lymphoma, diffuse large B-cell lymphoma, Burkitt lymphoma, and in classic Hodgkin l...
Background-—Kr€uppel-like factor 4 (Klf4) is involved in a variety of cellular functions by activating or repressing the transcription of multiple genes. Results of previous studies showed that tamoxifen-inducible global deletion of the Klf4 gene in mice accelerated neointimal formation following vascular injury, in part via enhanced proliferation of smooth muscle cells (SMCs). Because Klf4 is ...
BACKGROUND Langerhans cell (LC) networks play key roles in immunity and tolerance at body surfaces. LCs are established prenatally and can be replenished from blood monocytes. Unlike skin-resident dermal DCs (dDCs)/interstitial-type DCs and inflammatory dendritic epidermal cells appearing in dermatitis/eczema lesions, LCs lack key monocyte-affiliated markers. Inversely, LCs express various epit...
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