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; Cheryl L. Scudamore; Maria A. Whitehead; Erin P. Keaney; Leon O. Murphy; Robert K. Semple; Bernard Payrastre; Sharon A. Tooze; Bart Vanhaesebroeck

doi:10.1038/s41467-017-01969-4

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. BackerCheryl L. Scudamore, Maria A. Whitehead, Erin P. Keaney, Leon O. Murphy, Robert K. Semple, Bernard Payrastre, Sharon A. Tooze, Bart Vanhaesebroeck

Molecular Pharmacology

Research output: Contribution to journal › Article › peer-review

56 Scopus citations

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 language	English (US)
Article number	1804
Journal	Nature communications
Volume	8
Issue number	1
DOIs	https://doi.org/10.1038/s41467-017-01969-4
State	Published - Dec 1 2017

ASJC Scopus subject areas

General Chemistry
General Biochemistry, Genetics and Molecular Biology
General Physics and Astronomy

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10.1038/s41467-017-01969-4

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Bilanges, B., Alliouachene, S., Pearce, W., Morelli, D., Szabadkai, G., Chung, Y. L., Chicanne, G., Valet, C., Hill, J. M., Voshol, P. J., Collinson, L., Peddie, C., Ali, K., Ghazaly, E., Rajeeve, V., Trichas, G., Srinivas, S., Chaussade, C., Salamon, R. S., ... Vanhaesebroeck, B. (2017). Vps34 PI 3-kinase inactivation enhances insulin sensitivity through reprogramming of mitochondrial metabolism. Nature communications, 8(1), Article 1804. https://doi.org/10.1038/s41467-017-01969-4

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

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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.",

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AU - Szabadkai, Gyorgy

AU - Chung, Yuen Li

AU - Chicanne, Gaëtan

AU - Valet, Colin

AU - Hill, Julia M.

AU - Voshol, Peter J.

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AU - Peddie, Christopher

AU - Ali, Khaled

AU - Ghazaly, Essam

AU - Rajeeve, Vinothini

AU - Trichas, Georgios

AU - Srinivas, Shankar

AU - Chaussade, Claire

AU - Salamon, Rachel S.

AU - Backer, Jonathan M.

AU - Scudamore, Cheryl L.

AU - Whitehead, Maria A.

AU - Keaney, Erin P.

AU - Murphy, Leon O.

AU - Semple, Robert K.

AU - Payrastre, Bernard

AU - Tooze, Sharon A.

AU - Vanhaesebroeck, Bart

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N2 - 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.

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

Abstract

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