Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/88966
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dc.contributor.authorManickam, Ravikumaren
dc.contributor.authorOh, Hui Yun Pennyen
dc.contributor.authorTan, Chek Kunen
dc.contributor.authorParamalingam, Eeswarien
dc.contributor.authorWahli, Walteren
dc.date.accessioned2018-09-18T02:26:35Zen
dc.date.accessioned2019-12-06T17:14:48Z-
dc.date.available2018-09-18T02:26:35Zen
dc.date.available2019-12-06T17:14:48Z-
dc.date.issued2018en
dc.identifier.citationManickam, R., Oh, H. Y. P., Tan, C. K., Paramalingam, E., & Wahli, W. (2018). Metronidazole causes skeletal muscle atrophy and modulates muscle chronometabolism. International Journal of Molecular Sciences, 19(8), 2418-. doi:10.3390/ijms19082418en
dc.identifier.issn1661-6596en
dc.identifier.urihttps://hdl.handle.net/10356/88966-
dc.description.abstractAntibiotics lead to increased susceptibility to colonization by pathogenic organisms, with different effects on the host-microbiota relationship. Here, we show that metronidazole treatment of specific pathogen-free (SPF) mice results in a significant increase of the bacterial phylum Proteobacteria in fecal pellets. Furthermore, metronidazole in SPF mice decreases hind limb muscle weight and results in smaller fibers in the tibialis anterior muscle. In the gastrocnemius muscle, metronidazole causes upregulation of Hdac4, myogenin, MuRF1, and atrogin1, which are implicated in skeletal muscle neurogenic atrophy. Metronidazole in SPF mice also upregulates skeletal muscle FoxO3, described as involved in apoptosis and muscle regeneration. Of note, alteration of the gut microbiota results in increased expression of the muscle core clock and effector genes Cry2, Ror-β, and E4BP4. PPARγ and one of its important target genes, adiponectin, are also upregulated by metronidazole. Metronidazole in germ-free (GF) mice increases the expression of other core clock genes, such as Bmal1 and Per2, as well as the metabolic regulators FoxO1 and Pdk4, suggesting a microbiota-independent pharmacologic effect. In conclusion, metronidazole in SPF mice results in skeletal muscle atrophy and changes the expression of genes involved in the muscle peripheral circadian rhythm machinery and metabolic regulation.en
dc.format.extent14 p.en
dc.language.isoenen
dc.relation.ispartofseriesInternational Journal of Molecular Sciencesen
dc.rights© 2018 by The Author(s). Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).en
dc.subjectMetronidazoleen
dc.subjectGut Dysbiosisen
dc.subjectDRNTU::Science::Medicineen
dc.titleMetronidazole causes skeletal muscle atrophy and modulates muscle chronometabolismen
dc.typeJournal Articleen
dc.contributor.schoolInterdisciplinary Graduate School (IGS)en
dc.contributor.schoolLee Kong Chian School of Medicine (LKCMedicine)en
dc.contributor.organizationNTU Institute for Health Technologiesen
dc.identifier.doi10.3390/ijms19082418en
dc.description.versionPublished versionen
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