نتایج جستجو برای: atp content
تعداد نتایج: 473151 فیلتر نتایج به سال:
Alkalosis and ATP increase surfactant secretion in alveolar type II cells, possibly via non-receptor- and receptor-mediated mechanisms respectively. We compared the effects of these two agonists on phosphatidylinositol (PI) and 1,2-diacylglycerol (DAG) pools and on phosphatidylcholine (PC) hydrolysis in alveolar type II cells. Alkalosis, caused by transfer of cells from 5% (control) to 0% CO2 i...
A decrease in total magnesium content is not a direct proof of a decreased magnesium ion concentration. It could reflect a phosphate alteration or an ATP metabolism disorder. Plasma phosphate levels are lower in spontaneously hypertensive rats (SHRs) than in Wistar-Kyoto rats (WKYs), and defects in membrane regulation or mitochondrial ATP synthase occur. Only sparse data exist concerning cellul...
Tacrolimus is widely used for immunosuppressant therapy, including various organ transplantations. One of its main side effects is hyperglycemia due to reduced insulin secretion, but the mechanism remains unknown. We have investigated the metabolic effects of tacrolimus on insulin secretion at a concentration that does not influence insulin content. Twenty-four-hour exposure to 3 nM tacrolimus ...
Background: Nitrogen is the most important nutrient requirement for plants. Nitrogen supplying affected the leaf area, carbon fixation, glandular trichomes formation, ATP and NADPH content which resulted to the terpenoids biosynthesis enhancement and essential oils accumulation. Objective: This study was aimed to evaluate changes of essential oil content and components by use different levels ...
چکیده زمینه و هدف: آدنوزین ́5- تری فسفات (ATP) نه تنها به عنوان منبع رایج انرژی در تمامی سلول ها به شمار می رود، بلکه در تحریک مسیرهای پیام رسانی داخل سلولی نیز که منجر به آپوپتوز و یا تمایز می شود نیز، نقش ایفا می کند. در طول سالیان گذشته گزارش های متعددی درباره اثرات ضد سرطانی این ترکیب بر رده های سلولی سرطانهای مختلف ارائه شده است. همچنین چندین مکانیسم در مورد نحوه عملکرد ATP ارائه شده است ...
The present study investigates the relationship between mitochondrial activity and the expression of the BCL-2 gene in a panel of six human and murine leukemia/lymphoma cell lines. The cell lines all contained normal glucocorticoid receptors but differed widely in sensitivity to dexamethasone, ranging from very sensitive S49 lymphoma to completely resistant HL-60 acute leukemia cells. In this p...
A sensitive enzymatic procedure has been developed for the determination of guanosine 3':5'-cyclic monophosphate (cyclic GMP). It is based on the conversion of cyclic GMP to GMP by cyclic nucleotide phosphodiesterase and on the transfer of (32)P from [gamma-(32)P]ATP to GMP by the action of a specific ATP:GMP phosphotransferase (EC 2.7.4.8). The [(32)P]GDP is separated from the remaining [(32)P...
Digoxin and adenosine triphosphate enhance the functional properties of tissue-engineered cartilage.
Toward developing engineered cartilage for the treatment of cartilage defects, achieving relevant functional properties before implantation remains a significant challenge. Various chemical and mechanical stimuli have been used to enhance the functional properties of engineered musculoskeletal tissues. Recently, Ca(2+)-modulating agents have been used to enhance matrix synthesis and biomechanic...
The high-energy demand during high-intensity exercise (HIE) necessitates that anaerobic processes cover an extensive part of the adenosine triphosphate (ATP) requirement. Anaerobic energy release results in depletion of phosphocreatine (PCr) and accumulation of lactic acid, which set an upper limit of anaerobic ATP production and thus HIE performance. This report focuses on the effects of train...
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