نتایج جستجو برای: tunel technique
تعداد نتایج: 617209 فیلتر نتایج به سال:

 Purpose: To investigate the protective effect of Crataegus songarica extract (CSCE) against traumatic brain injury (TBI) in rats, and underlying mechanism action.
 Methods: A rat model TBI was established via tracheal intubation procedure, rats were treated with graded doses CSCE. Neuronal survival determined by Nissl staining, while neuronal apoptosis measured using TUNEL-staining....
abstract cooperative learning refers to small groups of learners working together as a team to solve a problem, complete a task, or accomplish a common goal. in a cooperative environment one’s success is directly related to the success of other members because the focus on the individual shifts towards the group. to test the effectiveness of the method, using jigsaw technique, a study was cond...
The electrophoresis pattern of apoptotic cells detected by the comet assay has a characteristic small head and spread tail. This image has been referred to as an apoptotic comet, but it has not been previously proven to be apoptotic cells by any direct method. In order to identify this image obtained by the comet assay as corresponding to an apoptotic cell, the frequency of appearance of apopto...
Animal experiments have suggested that apoptotic programmed cell death is responsible for an important portion of the delayed ischaemic brain damage. Antiapoptotic signalling through erythropoietin (EPO) binding to its receptor (EPOR) is triggered by systemic or local hypoxia and may exist in the post-ischaemic brain, and a neuroprotective effect by EPO was described recently and proposed for c...
The purpose of the study was to examine the occurrence of programmed cell death (apoptosis) in normal and chromosomally aneuploid testis and ovaries during the second trimester of human development. Such information may be useful in understanding normal and abnormal germ cell development and disorders associated with infertility in adult life. Apoptosis was studied by terminal deoxynucleotidyl ...
The ability to detect nuclear damage is an important tool for the development of sperm preservation methods. We used the acridine orange test (AOT) and the terminal deoxynucleotidyl transferase-mediated dUDP nick-end labeling (TUNEL) assay to assess the DNA status of sperm cells preserved with different lyophilization media. The AOT did not detect any differences between different lyophilizatio...
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