نتایج جستجو برای: 187 and 32
تعداد نتایج: 16849621 فیلتر نتایج به سال:
Dexrazoxane (ICRF-187) is a catalytic inhibitor of the nuclear enzyme DNA topoisomerase II (topo II). It protects cells against topo II poisons, such as etoposide and teniposide, by hindering the DNA cleavage reaction of the target enzyme. We have previously shown that this antagonism also extends to an in vivo model. Thus, ICRF-187 protected mice against supralethal doses of etoposide and amsa...
Background. The management of choledocholithiasis has evolved from open common bile duct exploration (OCBDE) to therapeutic endoscopic retrograde cholangiopancreatography (ERCP) to laparoscopic common bile duct exploration (LCBDE). Each entails a degree of difficulty. Aim. To review 5-year results of bile duct exploration in an UGI unit. Methods. Common bile duct explorations (CBDEs) performed ...
The tSNARE (the target-membrane soluble NSF-attachment protein receptor, where NSF is N -ethylmaleimide-sensitive fusion protein) synaptosomal-associated protein of 25 kDa (SNAP-25) is implicated in regulated insulin secretion. In pheochromocytoma PC12 cells, SNAP-25 is phosphorylated at Ser(187), which lies in a region that is important for its function. The aims of the present study were to d...
The purpose of this study was to verify the spatial distribution of myocardial repolarization heterogeneity using a newly developed 187-channel signal-averaged vector-projected ECG (187-ch SAVP-ECG). We constructed corrected recovery time (RTc) and Tpeak-end (corrected Tp-e) dispersion maps using a 187-ch SAVP-ECG based on vector-projection theory using a Mason-Likar lead system. We compared th...
this study investigated how group formation method, namely student-selected vs. teacher-assigned, influences the results of the community model of teaching creative writing; i.e., group dynamics and group outcome (the quality of performance). the study adopted an experimental comparison group and microgenetic research design to observe the change process over a relatively short period of time. ...
In order to study of the effect of combined biologic and priming on growth characteristics and phosphorus (P) and potassium (K) concentrations in Nigella sativa L., an experiment was carried out in the greenhouse of Agriculture Faculty, University of Birjand with factorial CRD statistical design in 2011. Factors were 1- Bacteria treatments a (Pseudomonas sp 168), b (Pseudomonas sp 187), c (comp...
Bisdioxopiperazine drugs such as ICRF-187 are catalytic inhibitors of DNA topoisomerase II, with at least two effects on the enzyme: namely, locking it in a closed-clamp form and inhibiting its ATPase activity. This is in contrast to topoisomerase II poisons as etoposide and amsacrine (m-AMSA), which act by stabilizing enzyme-DNA-drug complexes at a stage in which the DNA gate strand is cleaved...
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