Vps34 PI 3-kinase inactivation enhances insulin sensitivity through reprogramming of mitochondrial metabolism

Benoit Bilanges, Samira Alliouachene, Wayne Pearce, Daniele Morelli, Gyorgy Szabadkai, Yuen Li Chung, Gaëtan Chicanne, Colin Valet, Julia M. Hill, Peter J. Voshol, Lucy Collinson, Christopher Peddie, Khaled Ali, Essam Ghazaly, Vinothini Rajeeve, Georgios Trichas, Shankar Srinivas, Claire Chaussade, Rachel S. Salamon, Jonathan M. Backer & 8 others Cheryl L. Scudamore, Maria A. Whitehead, Erin P. Keaney, Leon O. Murphy, Robert K. Semple, Bernard Payrastre, Sharon A. Tooze, Bart Vanhaesebroeck

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Vps34 PI3K is thought to be the main producer of phosphatidylinositol-3-monophosphate, a lipid that controls intracellular vesicular trafficking. The organismal impact of systemic inhibition of Vps34 kinase activity is not completely understood. Here we show that heterozygous Vps34 kinase-dead mice are healthy and display a robustly enhanced insulin sensitivity and glucose tolerance, phenotypes mimicked by a selective Vps34 inhibitor in wild-Type mice. The underlying mechanism of insulin sensitization is multifactorial and not through the canonical insulin/Akt pathway. Vps34 inhibition alters cellular energy metabolism, activating the AMPK pathway in liver and muscle. In liver, Vps34 inactivation mildly dampens autophagy, limiting substrate availability for mitochondrial respiration and reducing gluconeogenesis. In muscle, Vps34 inactivation triggers a metabolic switch from oxidative phosphorylation towards glycolysis and enhanced glucose uptake. Our study identifies Vps34 as a new drug target for insulin resistance in Type-2 diabetes, in which the unmet therapeutic need remains substantial.

Original languageEnglish (US)
Article number1804
JournalNature Communications
Volume8
Issue number1
DOIs
StatePublished - Dec 1 2017

Fingerprint

insulin
metabolism
Phosphatidylinositol 3-Kinases
Metabolism
deactivation
Insulin Resistance
Phosphotransferases
Insulin
Glucose
Muscles
AMP-Activated Protein Kinases
Gluconeogenesis
Liver
sensitivity
Oxidative Phosphorylation
Autophagy
Glycolysis
muscles
liver
glucose

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

Cite this

Bilanges, B., Alliouachene, S., Pearce, W., Morelli, D., Szabadkai, G., Chung, Y. L., ... Vanhaesebroeck, B. (2017). Vps34 PI 3-kinase inactivation enhances insulin sensitivity through reprogramming of mitochondrial metabolism. Nature Communications, 8(1), [1804]. https://doi.org/10.1038/s41467-017-01969-4

Vps34 PI 3-kinase inactivation enhances insulin sensitivity through reprogramming of mitochondrial metabolism. / Bilanges, Benoit; Alliouachene, Samira; Pearce, Wayne; Morelli, Daniele; Szabadkai, Gyorgy; Chung, Yuen Li; Chicanne, Gaëtan; Valet, Colin; Hill, Julia M.; Voshol, Peter J.; Collinson, Lucy; Peddie, Christopher; Ali, Khaled; Ghazaly, Essam; Rajeeve, Vinothini; Trichas, Georgios; Srinivas, Shankar; Chaussade, Claire; Salamon, Rachel S.; Backer, Jonathan M.; Scudamore, Cheryl L.; Whitehead, Maria A.; Keaney, Erin P.; Murphy, Leon O.; Semple, Robert K.; Payrastre, Bernard; Tooze, Sharon A.; Vanhaesebroeck, Bart.

In: Nature Communications, Vol. 8, No. 1, 1804, 01.12.2017.

Research output: Contribution to journalArticle

Bilanges, B, Alliouachene, S, Pearce, W, Morelli, D, Szabadkai, G, Chung, YL, Chicanne, G, Valet, C, Hill, JM, Voshol, PJ, Collinson, L, Peddie, C, Ali, K, Ghazaly, E, Rajeeve, V, Trichas, G, Srinivas, S, Chaussade, C, Salamon, RS, Backer, JM, Scudamore, CL, Whitehead, MA, Keaney, EP, Murphy, LO, Semple, RK, Payrastre, B, Tooze, SA & Vanhaesebroeck, B 2017, 'Vps34 PI 3-kinase inactivation enhances insulin sensitivity through reprogramming of mitochondrial metabolism', Nature Communications, vol. 8, no. 1, 1804. https://doi.org/10.1038/s41467-017-01969-4
Bilanges, Benoit ; Alliouachene, Samira ; Pearce, Wayne ; Morelli, Daniele ; Szabadkai, Gyorgy ; Chung, Yuen Li ; Chicanne, Gaëtan ; Valet, Colin ; Hill, Julia M. ; Voshol, Peter J. ; Collinson, Lucy ; Peddie, Christopher ; Ali, Khaled ; Ghazaly, Essam ; Rajeeve, Vinothini ; Trichas, Georgios ; Srinivas, Shankar ; Chaussade, Claire ; Salamon, Rachel S. ; Backer, Jonathan M. ; Scudamore, Cheryl L. ; Whitehead, Maria A. ; Keaney, Erin P. ; Murphy, Leon O. ; Semple, Robert K. ; Payrastre, Bernard ; Tooze, Sharon A. ; Vanhaesebroeck, Bart. / Vps34 PI 3-kinase inactivation enhances insulin sensitivity through reprogramming of mitochondrial metabolism. In: Nature Communications. 2017 ; Vol. 8, No. 1.
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