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    Caffeine administration alters the behaviour and development of Galleria mellonella larvae


    Maguire, Ronan Cathal and Kunc, Martin and Hyrsl, Pavel and Kavanagh, Kevin (2017) Caffeine administration alters the behaviour and development of Galleria mellonella larvae. Neurotoxicology and Teratology, 64. pp. 37-44. ISSN 0892-0362

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    Abstract

    The effect of feeding caffeine on the behaviour and neural proteome of Galleria mellonella larvae was assessed. Caffeine was administered to larvae by force feeding and the metabolites theobromine and theophylline were subsequently detected by RP-HPLC analysis. Administration of caffeine to larvae resulted in reduced movement and a reduction in the formation of pupae. The production of the muscle relaxant theophylline may contribute to the reduction in larval movement. Analysis of the changes in proteome of the brain and surrounding tissues of caffeine fed larvae revealed an increase in the abundance of immune related proteins such as immune-related Hdd1 (6.28 fold increase) and hemolin (1.68 fold increase), ATPase associated proteins such as H + transporting ATP synthase O subunit isoform 1 (1.87 fold increase) and H + transporting ATP synthase delta subunit (1.53 fold increase) and proteins indicative of brain trauma such as troponin T transcript variant B, partial (1.55 fold increase). Proteins involved in development and protein degradation such as SUMO-activating enzyme subunit 1 (3.08 fold decrease) and chitin deacetylase, partial (3.67 fold decrease) were decreased in abundance. The results presented here indicate that caffeine is metabolised in a similar way in G. mellonella larvae to that in mammals and results in a variety of behavioural and developmental alterations. Utilisation of insects for studying the effects of caffeine and other neuroactive compounds may offer new insights into their mode of action and reduce the need to use mammals for this type of analysis.

    Item Type: Article
    Keywords: Caffeine; Galleria; Immunity; Mini-model; In vivo screening;
    Academic Unit: Faculty of Science and Engineering > Biology
    Item ID: 11076
    Identification Number: https://doi.org/10.1016/j.ntt.2017.10.002
    Depositing User: Dr. Kevin Kavanagh
    Date Deposited: 23 Sep 2019 14:17
    Journal or Publication Title: Neurotoxicology and Teratology
    Publisher: Elsevier
    Refereed: Yes
    URI:

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