نتایج جستجو برای: down function
تعداد نتایج: 1391293 فیلتر نتایج به سال:
This paper studies an M/G/1 repairable queueing system with multiple vacations and N-policy, in which the service station is subject to occasional random breakdowns. When the service station breaks down, it is repaired by a repair facility. Moreover, the repair facility may fail during the repair period of the service station. The failed repair facility resumes repair after completion of its re...
Mild hypothermia impairs resistance to infection and, reportedly, impairs phagocytosis and oxidative killing of unopsonized bacteria. We evaluated various functions at 33 degrees-41 degrees C in neutrophils taken from volunteers. Adhesion on endothelial cells was determined using light microscopy. Adhesion molecule expression and receptors, phagocytosis, and release of reactive oxidants were as...
Mitochondrial dysfunction has long been implicated in the pathogenesis of Parkinson's disease (PD). PD brain tissues show evidence for mitochondrial respiratory chain Complex I deficiency. Pharmacological inhibitors of Complex I, such as rotenone, cause experimental parkinsonism. The cytoprotective protein DJ-1, whose deletion is sufficient to cause genetic PD, is also known to have mitochondri...
Down syndrome, trisomy of human chromosome 21, is the most common genetic cause of intellectual disability. Correlating the increased expression, due to gene dosage, of the >300 genes encoded by chromosome 21 with specific phenotypic features is a goal that becomes more feasible with the increasing availability of large scale functional, expression and evolutionary data. These data are disperse...
We determined the effects of prolonged head-down tilt bed rest (HDT) on lung mechanics and gas exchange. Six subjects were studied in supine and upright postures before (control), during [day 113 (D113)], and after (R + number of days of recovery) 120 days of HDT. Peak expiratory flow (PF) never differed between positions at any time and never differed from controls. Maximal midexpiratory flow ...
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