نتایج جستجو برای: 5 fu
تعداد نتایج: 1219550 فیلتر نتایج به سال:
In order to enhance the efficacy of conditionally replicating adenoviruses (CRAd) in the treatment of cancers of the biliary tract, we studied the efficacy in vitro and in vivo of AxE1CAUP, a CRAd vector that carries a gene for uracil phosphoribosyltransferase (UPRT), which converts 5-fluorouracil (5-FU) directly to 5-fluorouridine monophosphate and greatly enhances the cytotoxicity of 5-FU. Ax...
Acquired and intrinsic resistance still remains a limitation to the clinical use of 5-fluorouracil (5-FU). The contribution of epigenetic changes to the development of drug resistance remains to be elucidated. Several genes that are hypermethylated and silenced have been identified in colorectal cancer. Based on the findings described in the accompanying article, we hypothesized that acquired r...
In N-methyl-N-nitrosourea (MNU)-induced colon cancer modeling in rats, it was aimed to evaluate the regressive effect of grayanotoxin-rich Turkish mad honey and 5-fluorouracil (5-FU), separately together. Study groups were control group (CG), (CCG), 5-Flourouracil (FUG), (HG), 5-FU combined (FU-HG). WBC, lymphocyte, eosinophil, basophil, serum LDH, TOS, total protein values determined rats CCG ...
OBJECTIVE 5-Fluorouracil (5-Fu) has been widely used as a first-line drug for colorectal cancer (CRC) treatment but limited by drug resistance and severe toxicity. The chemo-sensitizers that augment its efficiency and overcome its limitation are urgently needed. Gypenosides (Gyp), the main components from Gynostemma pentaphyllum (Thunb.) Makino, has shown potential anti-tumor property with litt...
Over the past decades, 5-Fluorouracil (5-FU) has been widely used to treat several types of carcinoma, including esophageal squamous cell carcinoma. In addition to its common side effects, including diarrhea, mucositis, neutropenia, and anemia, 5-FU treatment has also been reported to cause hyperammonemia. However, the exact mechanism responsible for 5-FU-induced hyperammonemia remains unknown....
BACKGROUND National Surgical Adjuvant Breast and Bowel Project (NSABP) protocol C-03 showed a benefit from leucovorin (LV)-modulated 5-fluorouracil (5-FU) adjuvant therapy (5-FU + LV) in patients with Dukes' stage B or C carcinoma of the colon. Preclinical and clinical phase I/II data suggested that interferon alfa-2a (IFN) enhanced the efficacy of 5-FU therapy. Accordingly, in NSABP protocol C...
5-Flurouracil (5-FU), a pyrimidine analog, was originally designed to prevent tumor cell growth. However, since the identification of its tumor inhibitory activity in 1957, substantial evidence has demonstrated that 5-FU could also harness the host immune system to prevent cancer progression. 5-FU sensitizes tumor cells to Natural Killer (NK) and CD8 T cell-driven cytotoxicity. We have also rec...
Drug uptake and anabolism by tumors are prerequisites of response to 5-fluorouracil (5-FU). Positron emission tomography (PET) with 5-[(18)F]FU (PET/5-[(18)F]FU) is potentially useful for noninvasive measurement of these processes, but is severely hampered by rapid catabolism of 5-[(18)F]FU in vivo. This study explored the combined use of PET/5-[(18)F]FU and eniluracil (5-ethynyluracil), a pote...
In order to enhance the efficacy of conditionally replicating adenoviruses (CRAd) in the treatment of cancers of the biliary tract, we studied the efficacy in vitro and in vivo of AxE1CAUP, a CRAd vector that carries a gene for uracil phosphoribosyltransferase (UPRT), which converts 5-fluorouracil (5-FU) directly to 5-fluorouridine monophosphate and greatly enhances the cytotoxicity of 5-FU. Ax...
5-Fluorouracil (5-FU) is the most commonly used chemotherapeutic agent for colorectal cancer (CRC). However, frequently occurred 5-FU resistance poses a great challenge in the clinic. Elucidating the underlying mechanisms and developing effective strategies against 5-FU resistance are highly desired. Here we identified the upregulation of FOXM1 in 5-FU nonresponsive CRC patients by gene express...
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