نتایج جستجو برای: hdaci
تعداد نتایج: 694 فیلتر نتایج به سال:
BACKGROUND DNA topoisomerase II inhibitors and poisons are among the most efficacious drugs for the treatment of cancer. Sensitivity of cancer cells to the cytotoxic effects of topoisomerase II targeting agents is thought to depend on the expression of the topoisomerase IIalpha isoform, and drug resistance is often associated with loss or mutation of topoisomerase IIalpha. Histone deacetylase i...
The notion that epigenetic alterations in neoplasia are reversible has provided the rationale to identify epigenetic modifiers for their ability to induce or enhance tumor cell death. Histone deacetylase inhibitors (HDACi) represent one such class of anti-neoplastic agents. Despite great interest for clinical use, little is known regarding the molecular targets important for response to HDACi-b...
Histone deacetylase inhibitors (HDACI) are powerful antiproliferative drugs, and are currently undergoing clinical trials as antitumor agents. It would be valuable for both cancer therapy and our knowledge of basic cellular processes to understand the mechanisms by which HDACIs block cell proliferation. Most current models postulate that HDACIs allow the reexpression of tumor suppressor genes s...
HDAC inhibitors (HDACi) are gaining increasing attention in the treatment of cancer, particularly in view of their therapeutic effectiveness and assumed mild toxicity profile. While numerous studies have investigated the role of HDACi in tumor cells, little is known about their effects on normal tissue cells. We studied the effect of suberoylanilide hydroxamic acid (SAHA), MS275, sodium-butyrat...
ER: extended release HDACi: Histone deacetylase inhibitor TSA: trichostatin A TGF-b: Transforming growth factor beta INTRODUCTION Scleroderma is an autoimmune connective tissue disease that involves the skin and internal organs for which there are few reliably effective treatments. The cutaneous manifestations of scleroderma include fibrosis and sclerodactyly, calcinosis cutis, digital ulcers, ...
Histone deacetylases (HDACs) and acetyltransferases control the epigenetic regulation of gene expression through modification of histone marks. Histone deacetylase inhibitors (HDACi) are small molecules that interfere with histone tail modification, thus altering chromatin structure and epigenetically controlled pathways. They promote apoptosis in proliferating cells and are promising anticance...
Histone deacetylase inhibitor (HDACi; vorinostat) responses were studied in murine and human lung cancer cell lines and genetically engineered mouse lung cancer models. Findings were compared with a window of opportunity trial in aerodigestive tract cancers. In human (HOP62, H522, and H23) and murine transgenic (ED-1, ED-2, LKR-13, and 393P, driven, respectively, by cyclin E, degradation-resist...
The transcription factors NF-κB and p53 as well as their crosstalk determine the fate of tumor cells upon therapeutic interventions. Replicative stress and cytokines promote signaling cascades that lead to the co-regulation of p53 and NF-κB. Consequently, nuclear p53/NF-κB signaling complexes activate NF-κB-dependent survival genes. The 18 histone deacetylases (HDACs) are epigenetic modulators ...
The anti-neoplastic effects of histone deacetylase inhibitors (HDACi), Trichostatin A (TSA) and 4-phenylbutyrate (4-PB) on the human glioblastoma cell lines GBM-29, U-343 MG and U-343 MGa Cl. 2:6 were investigated. TSA and 4-PB induced apoptosis in the three cell lines in a dose- and time-dependent manner. Whereas caspase-3 activation was detected in all three cell lines, U-343 MG cells were mo...
Nonsteroidal anti-inflammatory drugs are the most widely used medicine to treat pain and inflammation, and to inhibit platelet function. Understanding the expression regulation of enzymes of the prostanoid pathway is of great medical relevance. Histone acetylation crucially controls gene expression. We set out to identify the impact of histone deacetylases (HDACs) on the generation of prostanoi...
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