نتایج جستجو برای: adenosine monophosphate
تعداد نتایج: 101873 فیلتر نتایج به سال:
Epidemiologic studies suggest that in utero exposure to tobacco smoke, primarily through maternal smoking, increases the risk for asthma in children; however, the mechanism of this phenomenon is not clear. Cyclic adenosine monophosphate relaxes airway smooth muscles in the lung and acts as an antiasthmatic. In this study, we examined the effects of in utero cigarette smoke exposure of Balb/c mi...
Stimulator of interferon genes (STING) contributes to anti-tumor immunity by activating antigen-presenting cells and inducing mobilization tumor-specific T cells. A role for tumor-migrating neutrophils in the effect STING-activating therapy has not been defined. We used mouse tumor transplantation models assessing neutrophil migration into triggered intratumoral treatment with STING agonist, 2?...
-Previous studies have shown that various amine hormones are able to influence the growth rate of human colorectal carcinomas propagated as xenografts in immune-deprived mice, and it is now well known that the effects of many amine and other hormones are mediated by cyclic nucleotides, acting as second messengers within cells. In the present study the influence of various derivatives of cyclic ...
Adenine nucleotides—adenosine monophosphate, diphosphate, and triphosphate—are of utmost importance to all living organisms, where they play a critical role in the energy metabolism are tied allosteric regulation various regulatory enzymes. Adenylate charge represents precise relationship between concentrations adenosine triphosphate indicates amount metabolic available an organism. The experim...
Effects of varying the intracellular adenosine triphosphate level on both the action potential and the membrane current were studied in single ventricular cells isolated from the guinea pig heart, using collagenase. Intracellular injection of adenosine triphosphate elevated the plateau potential level and prolonged the action potential duration. Similar results were obtained by injecting adenos...
A mixture containing glucagon and thyroid hormone was previously devised that enhances markedly nuclear DNA replication and mitosis in the parenchymal liver cells of the unoperated rat. It is now shown that the glucagon of the stimulatory solution can be completely replaced by a mixture of a butyryl derivative of cyclic adenosine 3':5'-monophosphate and theophylline. Cyclic guanosine 3':5'-mono...
In the rat kidney, exogenous adenosine-3'-5'-monophosphate (cAMP) is converted to adenosine via the metabolism of cAMP to adenosine-5'-monophosphate by phosphodiesterase and adenosine-5'-monophosphate to adenosine by 5'-nucleotidase. Our purpose was to investigate whether in the rat kidney adenosine is synthesized from endogenous cAMP via the same pathway. Rat kidneys were perfused with Tyrode'...
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