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  1. Article ; Online: In silico molecular modeling and simulations of black tea theaflavins revealed theaflavin-3'-gallate as putative liver X receptor-beta agonist.

    Adigun, Temidayo O / Danazumi, Ammar U / Umar, Haruna I / Na'Allah, Asiat / Alabi, Mutiu A / Joel, Wisdom O / Aberuagba, Adepeju / Alejolowo, Omokolade O / Bamidele, Joy O / Omotayo, Olakunle S / Medayedupin, Oluwatobi A

    Journal of biomolecular structure & dynamics

    2023  Volume 41, Issue 22, Page(s) 13015–13028

    Abstract: The low constitutive activation of Liver X receptor, an endogenous nuclear receptor with two subtypes (α and β), is a condition lying at the crossroad of cancer and cardiovascular disease. Both natural and synthetic Liver X receptor agonists have ... ...

    Abstract The low constitutive activation of Liver X receptor, an endogenous nuclear receptor with two subtypes (α and β), is a condition lying at the crossroad of cancer and cardiovascular disease. Both natural and synthetic Liver X receptor agonists have reportedly shown remarkable antiproliferative and atheroprotective effects but the repeated doses of its synthetic ones are also paradoxically associated with hyperlipidaemic effects and neurotoxicity, though attributed to the alpha subtype. This highlights the need for novel, safe, and potent LXR-beta-selective agonists. Hypocholesterolaemic effects of black theaflavins have been widely reported, but data on the exact theaflavin compound (s) responsible for these effects is currently lacking. Neither is information on the possible modulatory effects of the compound (s) on LXR-beta nor its possible implications in the context of drug development for cardiovascular diseases and cancers is explored. On this account, we investigated the potential interaction of four main theaflavin monomers (TF1, TF2A, TF2B & TF3) with human LXR-beta through robust computational modelling that entails molecular docking, free energy calculations and molecular dynamics simulations. The ligands were further profiled (
    MeSH term(s) Humans ; Tea ; Liver X Receptors ; Molecular Docking Simulation ; Camellia sinensis ; Antioxidants/pharmacology ; Molecular Dynamics Simulation
    Chemical Substances Tea ; Liver X Receptors ; theaflavin (1IA46M0D13) ; Antioxidants ; theaflavine gallate (31629-79-5)
    Language English
    Publishing date 2023-02-02
    Publishing country England
    Document type Journal Article
    ZDB-ID 49157-3
    ISSN 1538-0254 ; 0739-1102
    ISSN (online) 1538-0254
    ISSN 0739-1102
    DOI 10.1080/07391102.2023.2175264
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Phytochemicals and anticancer activity of methanol extract of Trigonella foenum-greacum seed on breast cancer cell lines

    Alabi, Mutiu A. / Arowolo, Marvis A. / Na'Allah, Asiat / Kumar Prabhakar, Pranav / Linus, Eberechukwuka G. / Aransiola, Sesan A. / Abdulameed, Hassan T. / Ajani, Beloved K. / Maddela, Naga Raju / Prasad, Ram

    SAAB South African Journal of Botany. 2023 Sept., v. 160 p.273-281

    2023  

    Abstract: This study was aimed to examine the anticancer potential of Trigonella foenum-greacum seed methanol extract by analyzing its phytochemicals and its breast cancer cells effects. The anti-cancer efficacy of the extract was tested on fibroblast cells and ... ...

    Abstract This study was aimed to examine the anticancer potential of Trigonella foenum-greacum seed methanol extract by analyzing its phytochemicals and its breast cancer cells effects. The anti-cancer efficacy of the extract was tested on fibroblast cells and MCF-7 through various cellular assays, including apoptosis, mitochondrial membrane potential, reactive oxygen species, cell cycle distribution, and cell cytotoxicity assay were all investigated. By using GC-MS analysis, fifty-five bioactive compounds were identified in the extract. When the cancer cell lines were treated with the extract, the typical apoptotic morphology was observed, this resulted in a dose-dependent reduction of cancer cell migration and adhesion. Flow cytometry studies revealed that the extract significantly induced apoptosis by triggering a change from G₂/M to polyploidy (>G) at greater doses. Furthermore, the extract increased mitochondrial depolarization and ROS levels. This study demonstrates the extract's anti-cancer properties and highlights the need for further analysis to understand how Trigonella foenum-greacum seed extract induces program cell death through multiple signaling pathways at varying concentrations.
    Keywords Trigonella ; adhesion ; antineoplastic activity ; apoptosis ; breast neoplasms ; cell cycle ; cell movement ; dose response ; fibroblasts ; flow cytometry ; membrane potential ; methanol ; mitochondria ; mitochondrial membrane ; neoplasm cells ; phytochemicals ; polyploidy ; reactive oxygen species ; seed extracts ; toxicity testing ; Trigonella foenum-greacum ; Breast cancer ; MCF-7 cell line ; Fibroblast ; Anticancer
    Language English
    Dates of publication 2023-09
    Size p. 273-281.
    Publishing place Elsevier B.V.
    Document type Article ; Online
    ZDB-ID 2126918-X
    ISSN 0254-6299
    ISSN 0254-6299
    DOI 10.1016/j.sajb.2023.07.021
    Database NAL-Catalogue (AGRICOLA)

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