نتایج جستجو برای: klf4 gene
تعداد نتایج: 1141913 فیلتر نتایج به سال:
The Krüppel-like factor 4 (KLF4) gene is related to various biological processes including stem cell reprogramming and tumorigenesis. In this study, we identified and characterized a non-coding transcript of KLF4, which was designated KLF4‑003, in human liver tissue samples. KLF4‑003 was identified in a number of cell lines by reverse transcription PCR and DNA sequencing. Its expression levels ...
Human papillomaviruses (HPVs) are epithelial tropic viruses that link their productive life cycles to the differentiation of infected host keratinocytes. A subset of the over 200 HPV types, referred to as high-risk, are the causative agents of most anogenital malignancies. HPVs infect cells in the basal layer, but restrict viral genome amplification, late gene expression, and capsid assembly to...
BACKGROUND KLF4 mediates inflammatory responses after vascular injury/disease; however, the role of KLF4 in abdominal aortic aneurysms (AAAs) remains unknown. The goals of the present study were to (1) determine the role of KLF4 in experimental AAA; and (2) determine the effect of KLF4 on smooth muscle (SM) cells in AAAs. METHODS AND RESULTS KLF4 expression progressively increased at days 3, ...
Purpose:Krüppel-like factor 4 (KLF4) is a zinc-fingerprotein that plays important roles in stem cellsandthedevelopmentofgastriccancers.However, theroleofKLF4 inprimary lungcancer is unknown. The purpose of this study is to determine possible roles of KLF4 in lung cancer. Experimental Design: The KLF4 expression in primary lung cancer tissues and casematched normal lung tissueswere determinedbyp...
The transcription factor KLF4 may act both as an oncogene and a tumor suppressor in a tissue-depending manner. In Tand 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 lym...
A steadily growing number of hereditary palmoplantar keratodermas (PPKs) have been found to result from defective function epidermal adhesion proteins such as desmoglein 1 (DSG1), a critical component desmosomes which has implicated in the pathogenesis striate, diffuse and focal PPKs. Here we aimed at delineating genetic basis novel dominant form PPK. We studied three patients two families diag...
The fluid-filled lung exists in relative hypoxia in utero (∼25 mm Hg), but at birth fills with ambient air where the partial pressure of oxygen is ∼150 mm Hg. The impact of this change was studied in mouse lung with microarrays to analyze gene expression one day before, and 2, 6, 12 and 24 hours after birth into room air or 10% O(2). The expression levels of >150 genes, representing transcripti...
Histidine decarboxylase (HDC) is the enzyme that catalyzes the conversion of histidine to histamine, a bioamine that plays an important role in allergic responses, inflammation, neurotransmission, and gastric acid secretion. Previously, we demonstrated that gastrin activates HDC promoter activity in a gastric cancer (AGS-E) cell line through three overlapping downstream promoter elements. In th...
Reprogramming of somatic cells into induced pluripotent stem cells (iPSCs) is accompanied by morphological, functional, and metabolic alterations before acquisition of full pluripotency. Although the genome-wide effects of the reprogramming factors on gene expression are well documented, precise mechanisms by which gene expression changes evoke phenotypic responses remain to be determined. We u...
As the quintessential reprogramming model, OCT3/4, SOX2, KLF4, and c-MYC re-wire somatic cells to achieve induced pluripotency. Yet, subtle differences in methodology confound comparative studies of reprogramming mechanisms. Employing transposons, we systematically assessed cellular and molecular hallmarks of mouse somatic cell reprogramming by various polycistronic cassettes. Reprogramming res...
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