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Guided by the metabolism information of SQ109, derivatives with substituted geranylamine moiety or substituted admantane ring of SQ109 were synthesized and evaluated as antituberculosis agents. Among all tested compounds, compound 11c showed the most potent antituberculosis activity with MIC value of 0.3 microM against Mycobacterium tuberculosis H37Rv.
The correlation between pulmonary endothelin receptors and alveolar-arterial oxygen gradient (A-aDO2) in rats with hepatopulmonary syndrome was investigated. Animals were divided into 2 groups: Sham-operated (Sham) group and common bile duct ligation (CBDL) group. Arterial blood gas was evaluated by a blood gas analyzer. The concentrations of ET-1 in blood… (More)
OBJECTIVE To assess the feasibility and adequacy of double stapling technique (DST) and anal sphincter preservation with laparoscopic approach for low rectal cancer. METHODS DST and low/ultralow/coloanal anastomoses were performed laparoscopically on 30 patients with low rectal cancer. RESULTS The 30 laparoscopic DST and low/ultralow/colo-anal… (More)
OBJECTIVE To assess the feasibility of laparoscopic total mesorectal excision (TME) for low or ultralow anterior resection of rectal cancer. METHODS Excision of the mesorectum and low (ultralow) colo-anal anastomoses were performed laparoscopically in 62 patients with low rectal cancer based on the concept of TME and double stapling technique (DST). … (More)
To determine the biological effects of extracelluar signal regulated kinase (ERK) specific inhibitor PD98059 on pancreatic stellate cells (PSCs) activated by platelet-derived factor-BB (PDGF-BB), cultured rat PSCs were co-incubated at 37 DC for 24 h with 25 ng/ml PDGF-BB and different doses of PD98059 (ranging from 5 ng/ml to 40 ng/ml). Expression of pERK1… (More)
The economic emission dispatch (EED) problem aims to control generation cost and reduce the impact of waste gas on the environment. It has multiple constraints and nonconvex objectives. To solve it, the collective neurodynamic optimization (CNO) method, which combines heuristic approach and projection neural network (PNN), is attempted to optimize… (More)