نتایج جستجو برای: β carboline
تعداد نتایج: 177796 فیلتر نتایج به سال:
The β-carboline derivatives are a large group of naturally-occurring and synthetic alkaloids which have awide spectrum of biological and pharmaceutical properties. The newly developed procedure called VolSurfhas been used to explore a significant correlation between the 3D molecular interaction fields (MIF) andphysicochemical and pharmacokinetic properties of a set of 30 β-carboline compounds a...
Peganum harmla L. (Zygophyllaceae) is one of the components of an ethnobotanical preparation used in the treatment of neoplasms in Iran. β -carboline alkaloids like harmaline and harmine are the major constituents of P. harmla L. seeds extract. MTT-colorimetric assay was used in this study to investigate cytotoxicity of P. harmala seeds extract and its β -carboline alkaloids against HFFF-P16,...
A series of 3,6-disubstituted β-carbolines was synthesized and evaluated for their in vitro affinities at α(x)β(3)γ(2) GABA(A)/benzodiazepine receptor subtypes by radioligand binding assays in search of α(1) subtype selective ligands to treat alcohol abuse. Analogues of β-carboline-3-carboxylate-t-butyl ester (βCCt, 1) were synthesized via a CDI-mediated process and the related 6-substituted β-...
Ethnopharmacological relevance: Dysphania ambrosioides (L.) Mosyakin & Clemants (Chenopodiaceae) is a medicinal plant known for its anxiolytic, antidepressant and anticonvulsant activities in Cameroonian folk medicine. Aim of the study: The aim this work to evaluate anxiolytic effects aqueous extracts investigate mechanism action. Materials methods: Elevated plus maze test open field were u...
Dengue fever is an infectious disease of the dengue virus. It becomes a severe problem, particularly prevalent in tropics and subtropical countries. The can make life-threatening illness at any age people. Still, there no definite treatment regimen for infection. Nature vast reservoir precious phytochemical substances that be explored to develop new phytotherapeutics treatment. Using natural re...
A mild and efficient stereoselective synthesis of hexacyclic indole alkaloids with a tetrahydro-β-carboline motif has been developed by utilizing the Pictet-Spengler reaction and tandem N-acylation followed by intramolecular Diels-Alder cyclization. Initially, a diene unit was installed in the tetrahedron β-carboline skeleton through Pictet-Spengler cyclization of the corresponding aldehyde wit...
The γ-butyrolactone autoregulator signaling cascades have been shown to control secondary metabolism and/or morphological development among many Streptomyces species. However, the conservation and variation of the regulatory systems among actinomycetes remain to be clarified. The genome sequence of Kitasatospora setae, which also belongs to the family Streptomycetaceae containing the genus Stre...
A novel series of hybrids (7a-l, 8a-l) from β-carboline and salicylic acid (SA) were designed and synthesized, and their in vitro biological activities were evaluated. Most of the hybrids displayed potent antiproliferative activity against five cancer cell lines in vitro, showing potencies superior to 5-FU and harmine. In particular, compound 8h selectively inhibited proliferation of liver canc...
Metabolic enzymes are involved in the activation/deactivation of the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyiridine (MPTP) neurotoxin and its naturally occurring analogs 2-methyltetrahydro-β-carbolines. The metabolic profile and biotransformation of these protoxins by three enzymes, monoamine oxidase (MAO), cytochrome P450, and heme peroxidases (myeloperoxidase and lactoperoxidase), were investi...
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