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The proton-sucrose symporter mediates the key transport step in the resource distribution system that allows many plants to function as multicellular organisms. In the results reported here, we identify sucrose as a signaling molecule in a previously undescribed signal-transduction pathway that regulates the symporter. Sucrose symporter activity declined in(More)
Oxaliplatin is effective in the treatment of metastatic colorectal cancer (MCRC) patients; however, severe neurotoxicity develops frequently. To assess the efficacy of oral glutamine for preventing neuropathy induced by oxaliplatin, a pilot study was performed. A total of 86 patients with MCRC treated at Taipei Veterans General Hospital were enrolled.(More)
OBJECTIVES Unusually high incidences of upper urinary tract urothelial carcinoma (UUT-UC) have been reported from the endemic area for "blackfoot disease" of southern Taiwan, and the arsenic-contaminated water was considered to be the reason for this prevalence. In this study, we determined the ratio of UC in different locations, the difference in clinical(More)
Several plant genes have been cloned that encode members of the sugar transporter subgroup of the major facilitator superfamily of transporters. Here we report the cloning, expression, and membrane localization of one of these porters found in sugar beet (Beta vulgaris L.). This clone, cDNA-1, codes for a protein with 490 amino acids and an estimated(More)
BACKGROUND It is known that the uridine-diphosphoglucuronosyl transferase 1A1 (UGT1A1)*28 polymorphism reduces UGT1A1 enzyme activity, which may lead to severe toxicities in patients who receive irinotecan. This study was conducted to assess the influence of this polymorphism on the efficacy and toxicity of irinotecan treatment in Chinese patients with(More)
Lamivudine has demonstrated efficacy in the treatment and prevention of hepatitis B virus (HBV) reactivation after hematopoietic stem cell transplantation (HSCT). However, most of these studies involved short durations of prophylaxis, so there is significant concern regarding lamivudine resistance in these patients. Between March 1984 and November 2002, 71(More)
Amino acids are transported across the plasma membrane of plant cells by proton-amino acid symports. We report here the successful cloning of a neutral amino acid carrier by functional complementation. A histidine transport deletion mutant of Saccharomyces cerevisiae was transformed with an Arabidopsis thaliana cDNA library constructed in a yeast expression(More)
OBJECTIVE To explore the impact of retention of non-tunneled central venous catheters (CVCs) on survival in candidemic cancer patients, where CVCs are commonly used and essential. A second object was to determine whether early CVC removal would benefit a subset of cancer patients. METHODS We retrospectively evaluated 92 cancer patients who had a single,(More)
The aim of this study was to ascertain the prevalence of alternative medicine consumption in Chinese cancer patients on active conventional treatment. A cross sectional survey of 100 consecutive advanced cancer patients admitted to a cancer clinical trial referral unit were personally interviewed by their assigned oncology research nurse using a specially(More)
PURPOSE It has been shown that the R497K polymorphism of the epidermal growth factor receptor (EGFR) has attenuated functions in ligand binding, tyrosine kinase activation, and growth stimulation. Because the activation of EGFR results in an unfavorable prognosis of patients with colorectal carcinoma, a pilot study was conducted to assess the influence of(More)