نتایج جستجو برای: harmine
تعداد نتایج: 271 فیلتر نتایج به سال:
The balance between Th17 and T regulatory (Treg) cells critically modulates immune homeostasis, with an inadequate Treg response contributing to inflammatory disease. Using an unbiased chemical biology approach, we identified a novel role for the dual specificity tyrosine-phosphorylation-regulated kinase DYRK1A in regulating this balance. Inhibition of DYRK1A enhances Treg differentiation and i...
Alkaloids with allelopathic activity are not as well-known as other allelochemicals. Our study revealed that total alkaloids from seeds of the medicinal plant Peganum harmala L. possessed significant growth inhibitory effect on four treated plants, with dicot plants (lettuce and amaranth) being more sensitive than the tested monocot plants (wheat and ryegrass). Further investigation led to the ...
Background and purpose: b-carboline alkaloids, also known as harmala's alkaloids have a wide spectrum of pharmacological actions including a stimulatory action on release of dopamine and other catecholamines in several brain regions and an inhibitory action on monoamine oxidase (MAO). These findings suggest that b-carbolines should alleviate at least some of the dopaminergic stereotyped behav...
Aim and Background: The ability to secrete insulin from the islets of Langerhans on the one hand and suppress the factors that increase serum glucose concentrations on the other; It is very important in patients with metabolic disorders such as diabetes. The aim of this study was to compare the effects of harmine with ghrelin agonist (as a suppressor of insulin secretion) on insulin secretion a...
Introduction: Amyotrophic lateral sclerosis (ALS) is a fatal neurological disease characterized by progressive degeneration of both upper and lower motor neurons, resulting in paralysis eventually leads to death from respiratory failure typically within 3 5 years symptom onset. The aim this work was predict the pharmacokinetics identify unique protein targets that are associated with potential ...
In acute leukaemia, the maturation of the malignant cells is arrested and the cells merely proliferate. In the recent years, beside chemotherapy combination of differential factors cytokins and cytotoxic agents have been used in treatment of acute leukaemia particularly acute promyelocytic leukaemia. The present study was an evaluation of proliferation, cytotoxicity and differentiatio...
ETHNOPHARMACOLOGICAL RELEVANCE Peganum harmala is used in traditional medicine to treat a number of diseases including cancer. Our preliminary studies show that the alkaloidal extract of PH seed is cytotoxic to several tumor cell lines in vitro and has antitumor effect in a tumor model in vivo. The present investigation was aimed at extending our previous studies in identifying the components i...
The effects of the South American psychotropic beverage ayahuasca on subjective and cardiovascular variables and urine monoamine metabolite excretion were evaluated, together with the drug's pharmacokinetic profile, in a double-blind placebo-controlled clinical trial. This pharmacologically complex tea, commonly obtained from Banisteriopsis caapi and Psychotria viridis, combines N,N-dimethyltry...
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