Cited by 59Adipose Tissue and MetabolismPeroxisome Proliferator-Activated ReceptorsLipid metabolism and biosynthesis

The DOI matches its Crossref record; 74 of the 74 references it cites were found in a registry or an index.

Sympathetic inputs regulate adaptive thermogenesis in brown adipose tissue through cAMP-Salt inducible kinase axis

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Abstract

Various physiological stimuli, such as cold environment, diet, and hormones, trigger brown adipose tissue (BAT) to produce heat through sympathetic nervous system (SNS)- and β-adrenergic receptors (βARs). The βAR stimulation increases intracellular cAMP levels through heterotrimeric G proteins and adenylate cyclases, but the processes by which cAMP modulates brown adipocyte function are not fully understood. Here we described that specific ablation of cAMP production in brown adipocytes led to reduced lipolysis, mitochondrial biogenesis, uncoupling protein 1 (Ucp1) expression, and consequently defective adaptive thermogenesis. Elevated cAMP signaling by sympathetic activation inhibited Salt-inducible kinase 2 (Sik2) through protein kinase A (PKA)-mediated phosphorylation in brown adipose tissue. Inhibition of SIKs enhanced Ucp1 expression in differentiated brown adipocytes and Sik2 knockout mice exhibited enhanced adaptive thermogenesis at thermoneutrality in an Ucp1-dependent manner. Taken together, our data indicate that suppressing Sik2 by PKA-mediated phosphorylation is a requisite for SNS-induced Ucp1 expression and adaptive thermogenesis in BAT, and targeting Sik2 may present a novel therapeutic strategy to ramp up BAT thermogenic activity in humans.

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Authors
Paulo, E., Wu, D., Wang, Y., Zhang, Y., Wu, Y., Swaney, D. L., Soucheray, M., Jimenez-Morales, D., Chawla, A., Krogan, N. J., & Wang, B.
Affiliations
  • University of California, San Francisco (US)
  • City Of Hope National Medical Center (US)
  • QB3 (US)
Corresponding author
Wang, Biao
Venue
Scientific Reports
Published
2018-07-20
Volume
8
Issue
1
Pages
11001-11001
ISSN
2045-2322 (ISSN-L)
OpenAlex
W2884188461
Cited by
59
References
74
Citations by year
2026: 13 · 2025: 8 · 2024: 5 · 2023: 11 · 2022: 4 · 2021: 4 · 2020: 6 · 2019: 4 · 2018: 4
FWCI
3.09
Type
journal article
Language
en
Open access
Locations
  • Scientific Reports (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • eScholarship (California Digital Library) (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion)
  • eScholarship (California Digital Library) (submittedVersion)
Funders
  • Larry L. Hillblom Foundation (P30DK063720, U54NS100717, P30DK098722, DK105175, P50GM082250)
  • University of Dundee
  • National Institutes of Health (UM1OD023221)
  • University of California, San Francisco (P30DK098722, P30DK063720)
  • National Institute of General Medical Sciences (P50GM082250)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK101064, P30DK098722, R01DK105175, P30DK063720, R01DK094641)
  • National Institute of Neurological Disorders and Stroke (U54NS100717)
Topics
  • Health Sciences › Medicine › Physiology (medical) › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biochemistry › Lipid metabolism and biosynthesis
Keywords
brown adipose tissue, adaptive thermogenesis, sympathetic nervous system, cAMP signaling, SIK2, protein kinase A, UCP1, lipolysis, mitochondrial biogenesis, beta-adrenergic receptors, thermoneutrality, brown adipocytes
MeSH terms
Uncoupling Protein 1, Cyclic AMP, Animals, Adipose Tissue, Brown, Humans, Phosphorylation, Receptors, Adrenergic, beta, Sympathetic Nervous System, Protein Serine-Threonine Kinases, Cyclic AMP-Dependent Protein Kinases, Thermogenesis, Mice

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