Mitochondrial phosphatidylethanolamine modulates UCP1 to promote brown adipose thermogenesis.


Journal

Science advances
ISSN: 2375-2548
Titre abrégé: Sci Adv
Pays: United States
ID NLM: 101653440

Informations de publication

Date de publication:
24 02 2023
Historique:
entrez: 24 2 2023
pubmed: 25 2 2023
medline: 3 3 2023
Statut: ppublish

Résumé

Thermogenesis by uncoupling protein 1 (UCP1) is one of the primary mechanisms by which brown adipose tissue (BAT) increases energy expenditure. UCP1 resides in the inner mitochondrial membrane (IMM), where it dissipates membrane potential independent of adenosine triphosphate (ATP) synthase. Here, we provide evidence that phosphatidylethanolamine (PE) modulates UCP1-dependent proton conductance across the IMM to modulate thermogenesis. Mitochondrial lipidomic analyses revealed PE as a signature molecule whose abundance bidirectionally responds to changes in thermogenic burden. Reduction in mitochondrial PE by deletion of phosphatidylserine decarboxylase (PSD) made mice cold intolerant and insensitive to β3 adrenergic receptor agonist-induced increase in whole-body oxygen consumption. High-resolution respirometry and fluorometry of BAT mitochondria showed that loss of mitochondrial PE specifically lowers UCP1-dependent respiration without compromising electron transfer efficiency or ATP synthesis. These findings were confirmed by a reduction in UCP1 proton current in PE-deficient mitoplasts. Thus, PE performs a previously unknown role as a temperature-responsive rheostat that regulates UCP1-dependent thermogenesis.

Identifiants

pubmed: 36827367
doi: 10.1126/sciadv.ade7864
pmc: PMC9956115
doi:

Substances chimiques

Uncoupling Protein 1 0
Phosphatidylethanolamines 0
Protons 0
Adenosine Triphosphate 8L70Q75FXE
Ucp1 protein, mouse 0

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Pagination

eade7864

Subventions

Organisme : NIDDK NIH HHS
ID : R01 DK115867
Pays : United States
Organisme : NIDDK NIH HHS
ID : F31 DK130555
Pays : United States
Organisme : NIGMS NIH HHS
ID : R35 GM131854
Pays : United States
Organisme : NIGMS NIH HHS
ID : R01 GM144613
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL141353
Pays : United States
Organisme : NIDDK NIH HHS
ID : R01 DK127979
Pays : United States
Organisme : NHLBI NIH HHS
ID : R01 HL165797
Pays : United States
Organisme : NIDDK NIH HHS
ID : R01 DK107397
Pays : United States
Organisme : NIDDK NIH HHS
ID : R01 DK132239
Pays : United States
Organisme : NIDDK NIH HHS
ID : R01 DK118333
Pays : United States
Organisme : NIDDK NIH HHS
ID : T32 DK091317
Pays : United States

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Auteurs

Jordan M Johnson (JM)

Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA.
Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA.

Alek D Peterlin (AD)

Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA.
Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA.
Utah Center for Clinical and Translational Research, University of Utah, Salt Lake City, UT, USA.

Enrique Balderas (E)

Nora Eccles Harrison Cardiovascular Research and Training Institute, Division of Cardiovascular Medicine, Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA.

Elahu G Sustarsic (EG)

Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark.

J Alan Maschek (JA)

Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA.
Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA.
Metabolomics Core Research Facility, University of Utah, Salt Lake City, UT, USA.

Marisa J Lang (MJ)

Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA.
Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA.

Alejandro Jara-Ramos (A)

Nora Eccles Harrison Cardiovascular Research and Training Institute, Division of Cardiovascular Medicine, Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA.

Vanja Panic (V)

Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA.
Department of Biochemistry, University of Utah, Salt Lake City, UT, USA.

Jeffrey T Morgan (JT)

Department of Biochemistry, University of Utah, Salt Lake City, UT, USA.
Howard Hughes Medical Institute, University of Utah, Salt Lake City, UT, USA.

Claudio J Villanueva (CJ)

Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA.
Department of Biochemistry, University of Utah, Salt Lake City, UT, USA.
Department of Integrative Biology and Physiology, University of California Los Angeles, Los Angeles, CA, USA.

Alejandro Sanchez (A)

Division of Urology, Department of Surgery, Huntsman Cancer Institute, University of Utah, Salt Lake City, UT, USA.

Jared Rutter (J)

Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA.
Department of Biochemistry, University of Utah, Salt Lake City, UT, USA.
Howard Hughes Medical Institute, University of Utah, Salt Lake City, UT, USA.

Irfan J Lodhi (IJ)

Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, St. Louis, MO, USA.

James E Cox (JE)

Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA.
Metabolomics Core Research Facility, University of Utah, Salt Lake City, UT, USA.
Department of Biochemistry, University of Utah, Salt Lake City, UT, USA.

Kelsey H Fisher-Wellman (KH)

East Carolina Diabetes and Obesity Institute, East Carolina University, Greenville, NC, USA.

Dipayan Chaudhuri (D)

Nora Eccles Harrison Cardiovascular Research and Training Institute, Division of Cardiovascular Medicine, Department of Internal Medicine, University of Utah, Salt Lake City, UT, USA.
Department of Biochemistry, University of Utah, Salt Lake City, UT, USA.

Zachary Gerhart-Hines (Z)

Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark.

Katsuhiko Funai (K)

Diabetes and Metabolism Research Center, University of Utah, Salt Lake City, UT, USA.
Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, UT, USA.
Molecular Medicine Program, University of Utah, Salt Lake City, UT, USA.

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