نتایج جستجو برای: fti
تعداد نتایج: 436 فیلتر نتایج به سال:
Thyroidectomy (TX) is no longer the preferred choice for the therapy of hyperthyroid Graves' disease but is an alternative in patients who are noncompliant with or have reactions to antithyroid drugs, have moderate to severe ophthalmopathy, have large goiters, or who refuse (131)I therapy and/or long-term antithyroid drug therapy. Seventeen clinically and biochemically severely thyrotoxic patie...
Resistance to cytotoxic drugs frequently emerges during treatment of leukemia with conventional chemotherapy. New classes of anticancer drugs, such as the farnesyltransferase inhibitors (FTIs), show therapeutic promise, but whether cells will easily develop resistance against them is not known. Here, we grew breakpoint cluster region/Abelson murine leukemia (Bcr/Abl) P190 lymphoblasts on stroma...
Disruption of the RAS-to-mitogen-activated protein kinase (MAPK/ERK) signaling pathway, either directly through activating RAS gene mutations or indirectly through other genetic aberrations, plays an important role in the molecular pathogenesis of myeloid leukemias. Constitutive activation of ERK-1/2 and MEK-1/2, which elicit oncogenic transformation in fibroblasts, has recently been observed i...
Farnesyl protein transferase inhibitors (FTIs) have demonstrated clinical activity in certain solid tumors and hematological malignancies. Little is known about mechanisms of resistance to these agents. To provide a basis for better understanding FTI resistance, the colorectal carcinoma cell line HCT 116 was selected by stepwise exposure to increasing 4-(2-(4-(8-chloro-3,10-dibromo-6,11-dihydro...
BMS-214662 is a potent and selective inhibitor of farnesyltransferase (FTI). In rodent fibroblasts transformed by oncogenes, BMS-214662 reversed the H-Ras-transformed phenotype but not that of K-Ras or other oncogenes. In soft agar growth assays, BMS-214662 showed good potency in inhibiting H-ras-transformed rodent cells, A2780 human ovarian carcinoma tumor cells, and HCT-116 human colon carcin...
Treatment with statins, inhibitors of HMG-CoA reductase, extends the survival of septic mice. However, the molecular mechanisms underlying the cholesterol-lowering, independent beneficial effects of statins in sepsis are poorly understood. The inhibition of protein isoprenylation, namely farnesylation and geranylgeranylation, has been proposed as a mediator of the pleiotropic protective effects...
Conventional (CONV) neuromuscular electrical stimulation (NMES) (i.e., short pulse duration, low frequencies) induces a higher energetic response as compared to voluntary contractions (VOL). In contrast, wide-pulse, high-frequency (WPHF) NMES might elicit--at least in some subjects (i.e., responders)--a different motor unit recruitment compared to CONV that resembles the physiological muscle ac...
BMS-214662 is a potent and selective inhibitor of farnesyltransferase (FTI). In rodent fibroblasts transformed by oncogenes, BMS-214662 reversed the H-Ras-transformed phenotype but not that of K-Ras or other oncogenes. In soft agar growth assays, BMS-214662 showed good potency in inhibiting H-ras-transformed rodent cells, A2780 human ovarian carcinoma tumor cells, and HCT-116 human colon carcin...
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