Cited by 52Adipokines, Inflammation, and Metabolic DiseasesLiver Disease Diagnosis and TreatmentLiver physiology and pathology

Inhibin βE (INHBE) is a possible insulin resistance-associated hepatokine identified by comprehensive gene expression analysis in human liver biopsy samples

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Sugiyama, Masakazu, Kikuchi, Akihiro, Misu, Hirofumi, Igawa, Hirobumi, Ashihara, Motooki, Kushima, Youichi, Honda, Kiyofumi, Suzuki, Yoshiyuki +3 more·2018·PLoS ONE

Abstract

The liver plays a major role in whole-body energy homeostasis by releasing secretory factors, termed hepatokines. To identify novel target genes associated with insulin resistance, we performed a comprehensive analysis of gene expression profiles using a DNA chip method in liver biopsy samples from humans with varying degrees of insulin resistance. Inhibin βE (INHBE) was identified as a novel putative hepatokine with hepatic gene expression that positively correlated with insulin resistance and body mass index in humans. Quantitative real time-PCR analysis also showed an increase in INHBE gene expression in independent liver samples from insulin-resistant human subjects. Additionally, Inhbe gene expression increased in the livers of db/db mice, a rodent model of type 2 diabetes. To preliminarily screen the role of Inhbe in vivo in whole-body energy metabolic status, hepatic mRNA was knocked down with siRNA for Inhbe (siINHBE) in db/db mice. Treatment with siINHBE suppressed body weight gain during the two-week experimental period, which was attributable to diminished fat rather than lean mass. Additionally, treatment with siINHBE decreased the respiratory quotient and increased plasma total ketone bodies compared with treatment with non-targeting siRNA, both of which suggest enhanced whole-body fat utilization. Our study suggests that INHBE functions as a possible hepatokine to alter the whole-body metabolic status under obese insulin-resistant conditions.

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  • Activin-E levels in humans are increased in individuals with obesity and insulin resistance.

    “Supporting a potential role for activin-E in human diseases, activin-E levels in humans are increased in individuals with obesity and insulin resistance [31].”

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Authors
Sugiyama, M., Kikuchi, A., Misu, H., Igawa, H., Ashihara, M., Kushima, Y., Honda, K., Suzuki, Y., Kawabe, Y., Kaneko, S., & Takamura, T.
Affiliations
  • Chugai Pharmaceutical Co., Ltd. (Japan) (JP)
  • Kanazawa University (JP)
Corresponding author
  • Kikuchi, Akihiro
  • Takamura, Toshinari
Venue
PLoS ONE
Published
2018-03-29
Volume
13
Issue
3
Pages
e0194798
ISSN
1932-6203 (ISSN-L)
OpenAlex
W2794620918
Cited by
52
References
37
Citations by year
2026: 5 · 2025: 11 · 2024: 7 · 2023: 7 · 2022: 6 · 2021: 8 · 2020: 2 · 2019: 4 · 2018: 2
FWCI
3.12
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Institutional Repositories DataBase (IRDB) (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Figshare (submittedVersion, cc-by)
Funders
  • Kanazawa University
  • Chugai Pharmaceutical
  • Japan Society for the Promotion of Science (17H04199, 16K09740, 17K09822)
Topics
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Health Sciences › Medicine › Epidemiology › Liver Disease Diagnosis and Treatment
  • Health Sciences › Medicine › Hepatology › Liver physiology and pathology
Keywords
hepatokines, insulin resistance, type 2 diabetes, obesity, hepatic gene expression, db/db mice, siRNA knockdown, weight gain, fat utilization, ketone bodies, respiratory quotient, energy metabolism
MeSH terms
Adipose Tissue, Animals, Biopsy, Body Weight, Female, Humans, Insulin Resistance, Liver, Male, Middle Aged, Phenotype, RNA, Messenger, Gene Expression Profiling, Inhibin-beta Subunits, RNA, Small Interfering, Mice

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