Mangiferin accelerates glycolysis and enhances mitochondrial bioenergetics

Zhongbo Liu, Pasha Apontes, Ekaterina V. Fomenko, Nan Chi, Victor L. Schuster, Irwin J. Kurland, Jeffrey E. Pessin, Yuling Chi

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

One of the main causes of hyperglycemia is inefficient or impaired glucose utilization by skeletal muscle, which can be exacerbated by chronic high caloric intake. Previously, we identified a natural compound, mangiferin (MGF) that improved glucose utilization in high fat diet (HFD)-induced insulin resistant mice. To further identify the molecular mechanisms of MGF action on glucose metabolism, we conducted targeted metabolomics and transcriptomics studies of glycolyic and mitochondrial bioenergetics pathways in skeletal muscle. These data revealed that MGF increased glycolytic metabolites that were further augmented as glycolysis proceeded from the early to the late steps. Consistent with an MGF-stimulation of glycolytic flux there was a concomitant increase in the expression of enzymes catalyzing glycolysis. MGF also increased important metabolites in the tricarboxylic acid (TCA) cycle, such as α-ketoglutarate and fumarate. Interestingly however, there was a reduction in succinate, a metabolite that also feeds into the electron transport chain to produce energy. MGF increased succinate clearance by enhancing the expression and activity of succinate dehydrogenase, leading to increased ATP production. At the transcriptional level, MGF induced mRNAs of mitochondrial genes and their transcriptional factors. Together, these data suggest that MGF upregulates mitochondrial oxidative capacity that likely drives the acceleration of glycolysis flux.

Original languageEnglish (US)
Article number201
JournalInternational Journal of Molecular Sciences
Volume19
Issue number1
DOIs
StatePublished - Jan 9 2018

Fingerprint

glycolysis
metabolites
Glycolysis
Metabolites
glucose
Energy Metabolism
Glucose
skeletal muscle
Muscle
hyperglycemia
Fluxes
diets
insulin
dehydrogenases
adenosine triphosphate
Adenosinetriphosphate
Insulin
fats
clearances
metabolism

Keywords

  • Glucose
  • Glycolysis
  • Mangiferin
  • Metabolomics
  • Mitochondrial bioenergetics
  • TCA cycle
  • Transcriptomics

ASJC Scopus subject areas

  • Catalysis
  • Molecular Biology
  • Spectroscopy
  • Computer Science Applications
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

Cite this

Mangiferin accelerates glycolysis and enhances mitochondrial bioenergetics. / Liu, Zhongbo; Apontes, Pasha; Fomenko, Ekaterina V.; Chi, Nan; Schuster, Victor L.; Kurland, Irwin J.; Pessin, Jeffrey E.; Chi, Yuling.

In: International Journal of Molecular Sciences, Vol. 19, No. 1, 201, 09.01.2018.

Research output: Contribution to journalArticle

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