نتایج جستجو برای: malondialdehyde neurotransmitters
تعداد نتایج: 28656 فیلتر نتایج به سال:
Initially, the idea that neurotransmitters could serve as immunomodulators emerged with the discovery that their release and diffusion from nervous tissue could lead to signaling through lymphocyte cell-surface receptors and the modulation of immune function. It is now evident that neurotransmitters can also be released from leukocytes and act as autocrine or paracrine modulators. Here, we revi...
Chemical signals, or neurotransmitters, represent the fundamental mode for intercellular communication in the nervous system. The classical model for neurotransmitter action involves the uptake and storage of these small molecules into synaptic vesicles, release of vesicular contents into the synaptic cleft in response to depolarization of the presynaptic terminal by an action potential, bindin...
The pancreatic islets are innervated by sympathetic, parasympathetic and sensory nerves and within the terminals of these nerves several different neurotransmitters are stored, both the classical neurotransmitters, acetylcholine and noradrenaline, and several neuropeptides. The neurotransmitters affect insulin secretion both in a stimulatory and in an inhibitory direction depending on the nervo...
Problem statement: Persea cordata previously demonstrated antispasmodic action against two neurotransmitters. It is important confirm such action against other neurotransmitters. Approach: Present study described the antispasmodic activity of polar (EtOAc; n-BuOH) and non polar (nhexane; dichloromethane) fractions from the bark of Persea cordata, against guinea pig ileum contracted by 5-hydroxy...
Background and objectivesAmino acid neurotransmitters are closely correlated to the neurological function of brain, imbalance amino can lead a variety diseases. Therefore, development simple method detect five (aspartate, glutamate, glycine, taurine, γ-aminobutyric) in brain is urgently needed.
The aim of this study was to evaluate the levels of malondialdehyde as an oxidative stress marker in the same hemodialysis patients after changing the quality of dialysate with ultrapure dialysis fluid. Methods. This prospective study concerns hemodialysis patients; all patients were in the first step treated with conventional dialysate, and in the second step (three months later) the same pati...
CONTEXT Release of oxygen free radicals is increased in acute pancreatitis, but whether this can be used to predict clinical severity is not known. OBJECTIVE This study assesses whether plasma concentrations of malondialdehyde (a marker of lipid peroxidation) and superoxide dismutase (an oxygen free radical scavenger) can be used to predict severity of acute pancreatitis. PATIENTS Fifty-one...
(1) Increased oxidative stress plays a significant role in the etiology of cardiovascular disease. Lipid peroxidation, initiated in the presence of hydroxy radicals resulting in the production of malondialdehyde, directly produces oxidative stress. This study was designed to examine the direct impact of malondialdehyde on ventricular contractile function at the single cardiac myocyte level. Ven...
Stimulation of the phosphatidylinositol cycle by neurotransmitters generates diacylglycerol, an activator of protein kinase C, which may regulate some forms of neurotransmission. Phorbol esters, potent inflammatory and tumor-promoting compounds, also activate protein kinase C. We demonstrate potent and selective effects of phorbol esters on smooth muscle, indicating a role for protein kinase C ...
In vitro culture systems using bone marrow cells from BALB/C mice were set up in medium supplemented with spleen-derived medium. Bone marrow cells grown in spleen-derived medium gave rise to cultures containing >97% mast cells. The cells were used in polarisation chemotaxis assays with the intention of determining the effect of nerve tissue-derived neurotransmitters on mast cell migration. ...
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