نتایج جستجو برای: radio protector capillarization
تعداد نتایج: 102879 فیلتر نتایج به سال:
BACKGROUND Hip fractures are common in frail elderly adults worldwide. We investigated the effect of an anatomically designed external hip protector on the risk of these age-related fractures. METHODS We randomly assigned 1801 ambulatory but frail elderly adults (1409 women and 392 men; mean age, 82 years), in a 1:2 ratio, either to a group that wore a hip protector or to a control group. Fra...
In humans, the majority of studies demonstrate an age-associated reduction in the number of capillaries surrounding skeletal muscle fibers; however, recent reports in rats suggest that muscle capillarization is well maintained with advanced age. In sedentary and trained men, aging lowers the number of capillaries surrounding type II, but not type I, skeletal muscle fibers. The fiber type-specif...
Liver X receptors (LXRs) play essential roles in lipogenesis, anti-inflammatory action and hepatic stellate cells (HSCs) activation in the liver. However, the effects of LXRs on the capillarization of liver sinusoidal endothelial cells (LSECs) in liver fibrosis remain undetermined. Here, we demonstrated that LXRα plays an important role in LSECs capillarization in a manner that involved Hedgeho...
BACKGROUND As muscle capillarization is related to the oxidative capacity of the muscle and the size of muscle fibres, capillary rarefaction may contribute to sarcopenia and functional impairment in older adults. Therefore, it is important to assess how ageing affects muscle capillarization and the interrelationship between fibre capillary supply with the oxidative capacity and size of the fibr...
Drug Delivery In article number 2212206, Ying Zhao, Xiaolong Qi, Guangjun Nie, and co-workers propose a liver sinusoid capillarization hepatic stellate cells activation combined regulation strategy for fibrosis treatment. Liver fenestrae restoration enhances the transport efficiency of nanomedicine through wall, which represents promising approach
Ionizing radiation such as γ-radiation causes deleterious effects on protein.In this research,the effect of gamma radiation in the therapeutic dose of3 Gy and radioprotection of cerium salt (H8N8CeO18) on the structure and surface charge of bovine serum albumin (BSA) was studied. The first, secondary, tertiary structure and surface charge of BSA using UV-Vis spectroscopy, Circular dichroi...
The existence of substances which inhibit the enzymatic destruction of auxin in shoots of the Japanese morning glory (Pharbitis nil Choisy) has been confirmed, as has the fact that these substances are distributed in a gradient diminishing from apex to base in a manner indicating a regulatory role in internode elongation and tissue maturation. In addition to the 2 auxin protector substances rep...
The laryngeal mask airway (LMA) Protector™ is a second-generation perilaryngeal sealer type supraglottic airway device recently introduced into clinical practice. We describe our initial experiences with the use of the LMA Protector™ in three patients undergoing laparoscopic cholecystectomies. In all patients, we found the LMA Protector™ to have acceptable placements on the first attempt, adequ...
To investigate temporal changes in capillarization and increases in mitochondrial enzyme activity, rabbit tibialis anterior muscles underwent chronic low-frequency stimulation for up to 50 days. Capillary density (CD), capillary-to-fiber ratio (C/F), intercapillary distance (ICD), and mean capillary area (MCA), as well as several other parameters of capillarization, were examined. In addition, ...
Recently, we observed that muscle capillarization, vascular endothelial growth factor (VEGF) protein, and the VEGF mRNA response to acute exercise were lower in aged compared with young women (Croley AN, Zwetsloot KA, Westerkamp LM, Ryan NA, Pendergast aged men, Hickner RC, Pofahl WE, and Gavin TP. J Appl Physiol 99: 1875-1882, 2005). We hypothesized that similar age-related differences in musc...
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