The impact of sugar-sweetened beverage intake on rat cardiac function

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dc.contributor.authorDriescher, Natashaen_ZA
dc.contributor.authorJoseph, Danzil E.en_ZA
dc.contributor.authorHuman, Veronique R.en_ZA
dc.contributor.authorOjuka, Edwarden_ZA
dc.contributor.authorCour, Martinen_ZA
dc.contributor.authorHadebe, Nkanyisoen_ZA
dc.contributor.authorBester, Dirken_ZA
dc.contributor.authorMarnewick, Jeanine L.en_ZA
dc.contributor.authorLecour, Sandrineen_ZA
dc.contributor.authorLochner, Amandaen_ZA
dc.contributor.authorEssop, M. Faadielen_ZA
dc.date.accessioned2021-09-28T07:11:10Z
dc.date.available2021-09-28T07:11:10Z
dc.date.issued2019-03-12
dc.descriptionCITATION: Driescher, N., et al. 2019. The impact of sugar-sweetened beverage intake on rat cardiac function. Heliyon, 5(3). doi:10.1016/j.heliyon.2019.e01357.
dc.descriptionThe original publication is available at https://www.sciencedirect.com/journal/heliyon
dc.description.abstractAims: Although there is evidence linking sugar-sweetened beverage (SSB) intake with the development of cardio-metabolic diseases, the underlying mechanisms remain unclear. The current study therefore evaluated the effects of SSB consumption by establishing a unique in-house in vivo experimental model. Main methods: Male Wistar rats were divided into two groups: a) one consuming a popular local SSB (SSB- Jive), and b) a control group (Control-water) for a period of three and six months (n = 6 per group), respectively. Rats were gavaged on a daily basis with an experimental dosage amounting to half a glass per day (in human terms) (SSB vs. water). Cardiac function was assessed at baseline (echocardiography) and following ex vivo ischemia-reperfusion of the isolated perfused working rat heart. Oral glucose tolerance tests and mitochondrial respiratory analyses were also performed. In addition, the role of non-oxidative glucose pathways (NOGPs), i.e. the polyol pathway, hexosamine biosynthetic pathway (HBP) and PKC were assessed. Key findings: These data show that SSB intake: a) resulted in increased weight gain, but did not elicit major effects in terms of insulin resistance and cardiac function after three and six months, respectively; b) triggered myocardial NOGP activation after three months with a reversion after six months; and c) resulted in some impairment in mitochondrial respiratory capacity in response to fatty acid substrate supply after six months. Significance: SSB intake did not result in cardiac dysfunction or insulin resistance. However, early changes at the molecular level may increase risk in the longer term.en_ZA
dc.description.urihttps://www.sciencedirect.com/science/article/pii/S2405844018378319?via%3Dihub
dc.description.versionPublisher’s version
dc.format.extent28 pages
dc.identifier.citationDriescher, N., et al. 2019. The impact of sugar-sweetened beverage intake on rat cardiac function. Heliyon, 5(3). doi:10.1016/j.heliyon.2019.e01357.
dc.identifier.issn2405-8440 (online)
dc.identifier.otherdoi:10.1016/j.heliyon.2019.e01357
dc.identifier.urihttp://hdl.handle.net/10019.1/123082
dc.language.isoen_ZAen_ZA
dc.publisherElsevier
dc.rights.holderAuthors retain rights
dc.subjectNutritionen_ZA
dc.subjectPhysiologyen_ZA
dc.subjectCardiologyen_ZA
dc.subjectMolecular biologyen_ZA
dc.subjectBiochemistryen_ZA
dc.subjectObesity -- Physiological aspectsen_ZA
dc.subjectRats as laboratory animalsen_ZA
dc.subjectInsulin resistance -- Animal modelsen_ZA
dc.titleThe impact of sugar-sweetened beverage intake on rat cardiac functionen_ZA
dc.typeArticleen_ZA
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