نتایج جستجو برای: histone deacetylase inhibitor
تعداد نتایج: 249468 فیلتر نتایج به سال:
Three new bicyclic depsipeptides, which are related to the previously reported thailandepsins A (1), B (2) and C (3), were discovered from the culture broth of Burkholderia thailandensis E264 when supplemented with amino acid precursors, and were subsequently named as thailandepsins D (4), E (5) and F (6), respectively. Enzyme assays showed that 1-6 are potent histone deacetylase (HDAC) inhibit...
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Persistence of the latent viral reservoir has been recognized as a major obstacle to eradicating human immunodeficiency virus (HIV) in infected individuals receiving antiretroviral therapy. It has been suggested that histone deacetylase inhibitors (HDACis) may purge HIV in the latent viral reservoir. However, the effect of HDACis on the degree and extent of HIV expression in the latent viral re...
Hormonal therapy resistance remains a considerable barrier in the treatment of breast cancer. Activation of the Akt-PI3K-mTOR pathway plays an important role in hormonal therapy resistance. Our recent preclinical and clinical studies showed that the addition of a histone deacetylase inhibitor re-sensitized hormonal therapy resistant breast cancer to tamoxifen. As histone deacetylases are key re...
Natural product gene clusters are often tightly regulated, resulting in gene cluster silencing in laboratory fermentation studies. The systematic overexpression of transcription factors (TFs) associated with biosynthetic gene clusters found in the genome of Burkholderia thailandensis E264 identified a set of TFs that, when overexpressed, alter the secondary metabolome of this bacterium. The iso...
Linoleic acid was isolated from both the methanol extracts of proso and Japanese millet as a histone deacetylase inhibitor. It showed uncompetitive inhibitory activity toward histone deacetylase (IC(50)=0.51 mM) and potent cytotoxicity toward human leukemia K562 (IC(50)=68 microM) and prostate cancer LNCaP cells (IC(50)=193 microM). Millet containing linoleic acid might have anti-tumor activity.
The histone deacetylase domain of almost all members of higher eukaryotic histone deacetylases already identified (HDAC family) is highly homologous to that of yeast RPD3. In this paper we report the cloning of two cDNAs encoding members of a new family of histone deacetylase in mouse that show a better homology to yeast HDA1 histone deacetylase. These cDNAs encode relatively large proteins, pr...
Depsipeptide (FK228) is a novel histone deacetylase inhibitor currently in clinical trials and the first to demonstrate clinical activity in patients. Responses have been observed in patients with T-cell lymphomas, despite prior treatment with multiple chemotherapeutic agents. To better understand the effects of histone deacetylase inhibitors on T-cell lymphoma, the human T-cell lymphoma cell l...
A series of 4-anilinothieno[2,3-d]pyrimidine-based hydroxamic acid derivatives as novel HDACs inhibitors were designed, synthesized and evaluated. Most of these compounds displayed good to excellent inhibitory activities against HDAC1, 3, 6. The IC50 values of compound 10r against HDAC1, HDAC3, HDAC6 was 1.14 ± 0.03 nM, 3.56 ± 0.08 nM, 11.43 ± 0.12 nM. Compound 10r noticeably up-regulated the l...
Mutations in the WNT/beta-catenin pathway are present in the majority of all sporadic colorectal cancers (CRCs), and histone deacetylase inhibitors induce apoptosis in CRC cells with such mutations. This apoptosis is counteracted by (1) the signaling heterogeneity of CRC cell populations, and (2) the survival pathways induced by mitogens secreted from apoptotic cells. The phenomena of signaling...
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