نتایج جستجو برای: cellular
تعداد نتایج: 439946 فیلتر نتایج به سال:
Abstract During normal cellular activities Reactive Oxygen Species (ROS) and Reactive Nitrogen Species (RNS) are produced. In addition to beneficial functions they play a critical role in cell death and prevent apoptosis. Every cell is equipped with an extensive antioxidant defense system to combat the excessive production of active radicals. Oxidative stress occurs with destruction of cellu...
In this paper, the behavior of energy absorption of crush-boxes, made of Aluminum foam advanced material, was investigated based on foam cellular structure homogeneity. Therefore, thin-walled tubes of Cu-Zn30wt.%.brass alloy with 27 mm diameter and 1 mm thickness were filled with A356-10vol.%SiC-Xwt.%. of TiH2 foam liquid. Foam samples with 1, 1.5, 2wt.%. of TiH2 were prepared by Form Grip into...
The effect of epinephrine on triacylglycerol secretion was investigated in isolated rat hepatocytes. The effect appeared at concentrations of more than 1 µM and reached a plateau at 10 µM. Epinephrine concentration for half of the maximal bioeffect (EC50) was about 1 µM. Epineplrrine at a concentration of 10 µM suppressed triacylglycerol secretion by 33% and increased its cellular content b...
objective: homalium letestui pellegr (flacourtiaceae) is used in traditional medicine in parts of nigeria for the treatment of malaria, ulcer, and inflammatory diseases and as an aphrodisiac. this investigation was aimed to evaluate the cytotoxic, immunomodulatory, and antileishmanial properties of stem extract and fractions of homalium letestui (h. letestui). materials and methods: cytotoxic a...
cell therapy is known as one of the most promising curative interventions in the spinal cord injury (sci). selection of an appropriate route to transplant the stem cells is very important. principally, four different injection routes have been used in animal experiments. 1. intramedullary route: this route is known as a classic method for transplantation of stem cells. in this method, the stem ...
traumatic brain injury (tbi) results from a sudden and external physical impact to the head, and often leads to motor and cognitive impairment. using tissue engineering strategies, we aimed to review aspects of extra cellular matrix (ecm) based scaffold that could be delivered to the injured brain. the ecm is produced intracellularly and secreted to form a dense network of proteins and glycans,...
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