2021
DOI: 10.1016/j.cell.2021.04.037
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Lipolysis drives expression of the constitutively active receptor GPR3 to induce adipose thermogenesis

Abstract: Summary Thermogenic adipocytes possess a therapeutically appealing, energy-expending capacity, which is canonically cold-induced by ligand-dependent activation of β-adrenergic G protein-coupled receptors (GPCRs). Here, we uncover an alternate paradigm of GPCR-mediated adipose thermogenesis through the constitutively active receptor, GPR3. We show that the N terminus of GPR3 confers intrinsic signaling activity, resulting in continuous Gs-coupling and cAMP production without an exogenous ligand. Thus… Show more

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Cited by 73 publications
(62 citation statements)
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References 90 publications
(145 reference statements)
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“…In tumor tissues, regulatory T cells (Tregs) undergo abnormal changes in expression, such as the change in LAG3 expression observed in classic Hodgkin lymphoma, upregulated LAYN expression in FOXP3 + Helios + Tregs, and changes in CCR8 and IL1R2 expression in HCC [ 134 , 135 ]. In addition, the chronic remodeling of tumor antigens alters Treg cell frequencies and subsequently promotes the recurrence of HCC [ 136 , 137 ].…”
Section: Applications Of Single-cell Sequencing In Cancer Biologymentioning
confidence: 99%
“…In tumor tissues, regulatory T cells (Tregs) undergo abnormal changes in expression, such as the change in LAG3 expression observed in classic Hodgkin lymphoma, upregulated LAYN expression in FOXP3 + Helios + Tregs, and changes in CCR8 and IL1R2 expression in HCC [ 134 , 135 ]. In addition, the chronic remodeling of tumor antigens alters Treg cell frequencies and subsequently promotes the recurrence of HCC [ 136 , 137 ].…”
Section: Applications Of Single-cell Sequencing In Cancer Biologymentioning
confidence: 99%
“…The a-adrenergic receptor, Adra1a, is enriched in BAT Since much of adipocyte thermogenesis is regulated by the sympathetic nervous system through GPCR signaling in brown adipocytes 13,14,22 , we analyzed ribosomal pro ling data 23 to score GPCR mRNA expression based on two properties: (1) mRNA enrichment in brown adipose tissue (BAT) and (2) mRNA abundance in BAT (10% most abundant GPCRs). Four genes (Adra1a, Adrb1, Ptger1 and Cxcr7) ful lled these criteria (Extended Data Fig.…”
Section: Main Textmentioning
confidence: 99%
“…2e, f). Next, we carried out unilateral denervation of the interscapular BAT depot in which the right lobe was surgically denervated while the left lobe remained intact 22 . Strikingly, the cold-mediated elevation of Ckb, Alpl and Ppargc1a was blocked in the sympathetically denervated BAT lobes (Fig.…”
Section: Aar Signaling Regulates Futile Creatine Cycling Gene Expression In Batmentioning
confidence: 99%
“…Attention has been aroused by a recent experiment [ 51 ]. The experiment proposed that the relationship between lipolysis and WAT browning may be attributed to the existence of G protein-coupled receptor 3 (GPR3).…”
Section: Mechanism Of Exercise-mediated Browning Of Watmentioning
confidence: 99%