Evidence map›Paper›PMID 31925461›Full record

ArticleDiabetologia2020

An adipocyte-specific defect in oxidative phosphorylation increases systemic energy expenditure and protects against diet-induced obesity in mouse models.

Min Jeong Choi, Saet-Byel Jung, Seong Eun Lee, Seul Gi Kang, Ju Hee Lee, Min Jeong Ryu, Hyo Kyun Chung, Joon Young Chang, Yong Kyung Kim, Hyun Jung Hong and 6 more

Abstract read
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In one paragraph

Article in Diabetologia, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed
5.5field-weighted citation impact, top 3% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

40 citing papers in PubMed, 64 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

16 authors at 5 institutions in 3 countries.

Min Jeong ChoiResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea.
Saet-Byel JungResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea.
Seong Eun LeeResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea.
Seul Gi KangResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea.
Ju Hee LeeResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea.
Min Jeong RyuDepartment of Biochemistry, Chungnam National University School of Medicine, Daejeon, South Korea.
Hyo Kyun ChungResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea.
Joon Young ChangResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea.
Yong Kyung KimResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea.
Hyun Jung HongResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea.
Hail KimGraduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea.
Hyun Jin KimResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea.
Chul-Ho LeeAnimal Model Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, South Korea.
Adil MardinogluScience for Life Laboratory, KTH - Royal Institute of Technology, Stockholm, Sweden.
Hyon-Seung YiDepartment of Internal Medicine, Chungnam National University Hospital, Daejeon, 35015, South Korea. jmpbooks@cnuh.co.kr.ORCID https://orcid.org/0000-0002-3767-1954
Minho ShongResearch Center for Endocrine and Metabolic Diseases, Chungnam National University School of Medicine, Daejeon, 35015, South Korea. minhos@cnu.ac.kr.ORCID https://orcid.org/0000-0002-0247-7115
Chungnam National University · KRKorea Advanced Institute of Science and Technology · KRChungnam National University Hospital · KRKing's College London · GBKorea Research Institute of Bioscience and Biotechnology · KR

Funding

National Research Foundation of Korea 2018R1C1B6004439
6 · The paper itself

Abstract

aims/hypothesisMitochondrial oxidative phosphorylation (OxPhos) is essential for energy production and survival. However, the tissue-specific and systemic metabolic effects of OxPhos function in adipocytes remain incompletely understood.

methodsWe used adipocyte-specific Crif1 (also known as Gadd45gip1) knockout (AdKO) mice with decreased adipocyte OxPhos function. AdKO mice fed a normal chow or high-fat diet were evaluated for glucose homeostasis, weight gain and energy expenditure (EE). RNA sequencing of adipose tissues was used to identify the key mitokines affected in AdKO mice, which included fibroblast growth factor 21 (FGF21) and growth differentiation factor 15 (GDF15). For in vitro analysis, doxycycline was used to pharmacologically decrease OxPhos in 3T3L1 adipocytes. To identify the effects of GDF15 and FGF21 on the metabolic phenotype of AdKO mice, we generated AdKO mice with global Gdf15 knockout (AdGKO) or global Fgf21 knockout (AdFKO).

resultsUnder high-fat diet conditions, AdKO mice were resistant to weight gain and exhibited higher EE and improved glucose tolerance. In vitro pharmacological and in vivo genetic inhibition of OxPhos in adipocytes significantly upregulated mitochondrial unfolded protein response-related genes and secretion of mitokines such as GDF15 and FGF21. We evaluated the metabolic phenotypes of AdGKO and AdFKO mice, revealing that GDF15 and FGF21 differentially regulated energy homeostasis in AdKO mice. Both mitokines had beneficial effects on obesity and insulin resistance in the context of decreased adipocyte OxPhos, but only GDF15 regulated EE in AdKO mice. CONCLUSIONS/

interpretationThe present study demonstrated that the adipose tissue adaptive mitochondrial stress response affected systemic energy homeostasis via cell-autonomous and non-cell-autonomous pathways. We identified novel roles for adipose OxPhos and adipo-mitokines in the regulation of systemic glucose homeostasis and EE, which facilitated adaptation of an organism to local mitochondrial stress.

Indexed as

AdipocytesAnimalsCell Cycle ProteinsDiet, High-FatDisease Models, AnimalEnergy MetabolismMaleMiceMice, Inbred C57BLMice, KnockoutMice, ObeseObesityOrgan SpecificityOxidative PhosphorylationCell Cycle ProteinsCrif1 protein, mouseAdipose tissueEnergy metabolismInsulin resistanceMitochondriaMitokine

Identifiers

PMID31925461
OpenAlexW2999200998

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.