نتایج جستجو برای: aged mouse
تعداد نتایج: 473666 فیلتر نتایج به سال:
Presynaptic active zones play a pivotal role as synaptic vesicle release sites for synaptic transmission, but the molecular architecture of active zones in mammalian neuromuscular junctions (NMJs) at sub-diffraction limited resolution remains unknown. Bassoon and Piccolo are active zone specific cytosolic proteins essential for active zone assembly in NMJs, ribbon synapses, and brain synapses. ...
Of all the major organ systems in the body, the ovaries of females are the first to exhibit impaired function with advancing age. Until recently, traditional thinking was that female mammals are provided with a non-renewable pool of oocyte-containing follicles at birth that are depleted during postnatal life to exhaustion, driving ovarian failure. However, a growing body of evidence, including ...
objectives: the aim of this study was to describe and explain older adults' perspectives on the experience of their hospitalization. methods & materials: this qualitative research adopted a content analysis approach. twenty seven participants (65-81 years) selected through a purposel sampling from three university hospitals in tehran went through open in depth interviews. all the interviwe...
Synucleins (Syn), a family of synaptic proteins, includes alpha-Syn, which plays a pivotal role in Parkinson's disease and related neurodegenerative diseases (synucleinopathies) by forming distinct brain pathologies (Lewy bodies and neurites). Since traumatic brain injury (TBI) is a poorly understood risk factor for Parkinson's disease, we examined the effects of TBI in the young and aged mouse...
cat and mouse: similar stories in persian literature h. zoalfaghari* tarbiat modarres university of tehran abstract the story of cat and mouse and their confrontation is a common theme in persian literature. this story has always been popular among children and it is one of the important texts of iranian traditional schools. such stories have been widely reflected in persian literatur...
Caloric restriction (CR) extends life span of healthy rodents compared to those fed ad libitum. Previous studies have shown positive effects of CR on the immune response of aged mice after influenza immunization. To extend these studies, a mouse model of CR was used to determine if CR could modulate primary responses of aged mice to influenza. Although CR delayed the age-related decrease in mit...
Age-associated cognitive impairment is a major health and social issue because of increasing aged population. Cognitive decline is not homogeneous in humans and the determinants leading to differences between subjects are not fully understood. In middle-aged healthy humans, fasting blood glucose levels in the upper normal range are associated with memory impairment and cerebral atrophy. Due to ...
The purpose of this study is to provide standard echocardiographic and morphometric data for normal mouse valve structure and function from late fetal to aged adult stages. Cross-sectional, two-dimensional and Doppler transthoracic echocardiography was performed in C57BL6 mice anesthetized with 1% to 2% isoflurane at embryonic day 18.5 (late fetal), 10 days (neonate), 1 mo (juvenile), 2 mo (you...
background: a good proportion of poisoned patients treated at poisoning wards are elderly. this study was designed to evaluate the epidemiologic pattern of acute poisoning in elderly in hamadan, western iran. methods: in this retrospective cross-sectional study, poisoned patients aged 60 years and older treated at department of poisoning of farshchian hospital from march 2008 to march 2013 were...
background postoperative residual blockade, longer duration of action for neuromuscular blockade, and slower recovery were relatively common in elderly patients. objectives we aimed to investigate the safety of train-of-four ratio and clinical tests in the assessment of patient recovery, and to determine the effects of the rocuronium, vecuronium, and cisatracurium on intubation, extubation and ...
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