نتایج جستجو برای: lncap
تعداد نتایج: 3171 فیلتر نتایج به سال:
We investigated the importance of HMGN5, a nuclear protein that binds to nucleosomes, unfolds chromatin, and affects transcription, in the LNCaP prostate cancer cell line. We also examined the molecular mechanisms that promote apoptosis of LNCaP cells after infection with small interfering RNA (siRNA) targeting HMGN5 (siRNA-HMGN5). The androgen-dependent LNCaP human prostate cancer cells were i...
The ability of prostate-specific antigen (PSA) to predict tumor volume and stage in patients with prostate cancer would be improved if factors regulating its production and clearance were better defined. A thorough understanding of the pharmacokinetics (regulation of production, metabolism, and excretion) of PSA has been precluded, however, by the absence of an in vivo animal model. The purpose...
LNCaP prostate cancer cells are highly resistant to induction of programmed cell death by g-irradiation and somewhat sensitive to the deathinducing effects of tumor necrosis factor (TNF)-a. Simultaneous exposure of LNCaP cells to TNF-a and 8 Gy of irradiation was synergistic and resulted in a 3-fold increase of apoptotic cells within 72 h compared to TNF-a alone. It appeared that TNF-a sensitiz...
Fibroblast growth factor 8, isoform b (FGF8b), has been implicated in the oncogenesis of the prostate and mammary epithelia. We examined whether overexpression of FGF8b in a weakly tumorigenic prostate carcinoma cell line, LNCaP, could alter the growth and tumorigenic properties of these cells. LNCaP cells were infected with a lentivirus vector carrying FGF8b cDNA and the green fluorescent prot...
Reactive stroma has been reported in many cancers, including breast, colon, and prostate. Although changes in stromal cell phenotype and extracellular matrix have been reported, specific mechanisms of how reactive stroma affects tumor progression are not understood. To address the role of stromal cells in differential regulation of tumor incidence, growth rate, and angiogenesis, LNCaP xenograft...
Despite the promising anti-cancer properties of polyoxometalates (POMs) compound, they have not yet been reported for clinical use due to their general toxicity. This study reports synthesis tocopherol succinate (TS)-polyoxomolybdate (POMo) conjugate (T2POMo) as a novel organic–inorganic hybrid POMo and evaluating its in vitro. The aim was introduce more potent derivative with less toxicity tha...
BACKGROUND We have previously shown that prostate cancer LNCaP cells are resistant to TRAIL, and downregulation of PI-3K/Akt pathway by molecular and pharmacological means sensitizes cells to undergo apoptosis by TRAIL and curcumin. The purpose of this study was to examine the molecular mechanisms by which resveratrol sensitized TRAIL-resistant LNCaP cells. RESULTS Resveratrol inhibited growt...
A p21-activated kinase 6 (PAK6) was previously identified to be an androgen receptor (AR) interacting protein through a yeast two-hybrid screening. We used hormone responsive prostate cancer LAPC4 and LNCap cell lines as models to study the signaling events associated with androgen stimulation and PAK6. An androgen-stimulated PAK6 kinase activation was observed in LAPC4 cells expressing endogen...
c-Met is a transmembrane tyrosine kinase receptor that may be activated by hepatocyte growth factor, an inducer of epithelial-mesenchymal transition (EMT), to regulate the associated downstream gene expression. This process is critical to cell migration in normal and pathological conditions. In the present study, the function of c-Met in the process of EMT was investigated in prostate cancer. I...
Garlic constituent diallyl trisulfide (DATS) inhibits growth of cancer cells in vitro and in vivo by causing apoptosis, but the sequence of events leading to cell death is not fully understood. We now show that DATS treatment triggers mitochondria-mediated apoptosis program in human prostate cancer cells (LNCaP, LNCaP-C81, LNCaP-C4-2) irrespective of their androgen responsiveness. Interestingly...
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