MicroRNA-27 inhibits adipogenic differentiation in orbital fibroblasts from patients with Graves’ orbitopathy

Sun Young Jang; Min Kyung Chae; Joon H. Lee; Eun Jig Lee; Jin Sook Yoon

doi:10.1371/journal.pone.0221077

MicroRNA-27 inhibits adipogenic differentiation in orbital fibroblasts from patients with Graves’ orbitopathy

Sun Young Jang, Min Kyung Chae, Joon H. Lee, Eun Jig Lee, Jin Sook Yoon

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

Background To investigate the role of microRNA (miR)-27a and miR-27b in adipogenesis in an in vitro model of Graves’ orbitopathy (GO). Methods Orbital fat tissues were harvested from GO and non-GO participants for primary orbital fibroblast cultures. The expression levels of miR-27a and miR-27b between GO and non-GO orbital fat tissues were compared. During adipogenesis of GO orbital fibroblasts, the expression levels of miR-27a and miR-27b were determined, and the effects of mimics of miR-27a and miR-27b transfection on adipogenesis of GO orbital fibroblast were investigated. Results Real time-polymerase chain reaction showed significantly more decreases in miR-27a and miR-27b levels in orbital fat tissues in GO participants than in non-GO participants (p < 0.05). The expression of both miR-27a and miR-27b was highest in orbital fibroblasts at day 0 and declined gradually after the induction of adipogenic differentiation. The expression levels of PPARγ, CCAAT/enhancer binding protein (C/EBP)α and C/EBPβ were decreased and Oil Red O-stained lipid droplets were lower in GO orbital fibroblasts transfected with miR-27a and miR-27b mimics than in negative controls. Conclusions Our results indicated that miR-27a and miR-27b inhibited adipogenesis in orbital fibroblasts from GO patients. Further studies are required to examine the potential of miR-27a and miR-27b as targets for therapeutic strategies.

Original language	English
Article number	e0221077
Journal	PloS one
Volume	14
Issue number	8
DOIs	https://doi.org/10.1371/journal.pone.0221077
Publication status	Published - 2019 Aug 1

Bibliographical note

Funding Information:
This study was supported by a grant from the National Research Foundation of Korea (NRF-2017R1A2B4009565 to JSY) and a grant from NRF-2017R1A1A1A05001051 to SYJ. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.

Publisher Copyright:
© 2019 Jang et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

All Science Journal Classification (ASJC) codes

Biochemistry, Genetics and Molecular Biology(all)
Agricultural and Biological Sciences(all)
General

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10.1371/journal.pone.0221077

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@article{08bc874bb455477490306ac4e940ef92,

title = "MicroRNA-27 inhibits adipogenic differentiation in orbital fibroblasts from patients with Graves{\textquoteright} orbitopathy",

abstract = "Background To investigate the role of microRNA (miR)-27a and miR-27b in adipogenesis in an in vitro model of Graves{\textquoteright} orbitopathy (GO). Methods Orbital fat tissues were harvested from GO and non-GO participants for primary orbital fibroblast cultures. The expression levels of miR-27a and miR-27b between GO and non-GO orbital fat tissues were compared. During adipogenesis of GO orbital fibroblasts, the expression levels of miR-27a and miR-27b were determined, and the effects of mimics of miR-27a and miR-27b transfection on adipogenesis of GO orbital fibroblast were investigated. Results Real time-polymerase chain reaction showed significantly more decreases in miR-27a and miR-27b levels in orbital fat tissues in GO participants than in non-GO participants (p < 0.05). The expression of both miR-27a and miR-27b was highest in orbital fibroblasts at day 0 and declined gradually after the induction of adipogenic differentiation. The expression levels of PPARγ, CCAAT/enhancer binding protein (C/EBP)α and C/EBPβ were decreased and Oil Red O-stained lipid droplets were lower in GO orbital fibroblasts transfected with miR-27a and miR-27b mimics than in negative controls. Conclusions Our results indicated that miR-27a and miR-27b inhibited adipogenesis in orbital fibroblasts from GO patients. Further studies are required to examine the potential of miR-27a and miR-27b as targets for therapeutic strategies.",

author = "Jang, {Sun Young} and Chae, {Min Kyung} and Lee, {Joon H.} and Lee, {Eun Jig} and Yoon, {Jin Sook}",

note = "Funding Information: This study was supported by a grant from the National Research Foundation of Korea (NRF-2017R1A2B4009565 to JSY) and a grant from NRF-2017R1A1A1A05001051 to SYJ. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. Publisher Copyright: {\textcopyright} 2019 Jang et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.",

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AU - Chae, Min Kyung

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AU - Lee, Eun Jig

AU - Yoon, Jin Sook

N1 - Funding Information: This study was supported by a grant from the National Research Foundation of Korea (NRF-2017R1A2B4009565 to JSY) and a grant from NRF-2017R1A1A1A05001051 to SYJ. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript. Publisher Copyright: © 2019 Jang et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

PY - 2019/8/1

Y1 - 2019/8/1

N2 - Background To investigate the role of microRNA (miR)-27a and miR-27b in adipogenesis in an in vitro model of Graves’ orbitopathy (GO). Methods Orbital fat tissues were harvested from GO and non-GO participants for primary orbital fibroblast cultures. The expression levels of miR-27a and miR-27b between GO and non-GO orbital fat tissues were compared. During adipogenesis of GO orbital fibroblasts, the expression levels of miR-27a and miR-27b were determined, and the effects of mimics of miR-27a and miR-27b transfection on adipogenesis of GO orbital fibroblast were investigated. Results Real time-polymerase chain reaction showed significantly more decreases in miR-27a and miR-27b levels in orbital fat tissues in GO participants than in non-GO participants (p < 0.05). The expression of both miR-27a and miR-27b was highest in orbital fibroblasts at day 0 and declined gradually after the induction of adipogenic differentiation. The expression levels of PPARγ, CCAAT/enhancer binding protein (C/EBP)α and C/EBPβ were decreased and Oil Red O-stained lipid droplets were lower in GO orbital fibroblasts transfected with miR-27a and miR-27b mimics than in negative controls. Conclusions Our results indicated that miR-27a and miR-27b inhibited adipogenesis in orbital fibroblasts from GO patients. Further studies are required to examine the potential of miR-27a and miR-27b as targets for therapeutic strategies.

AB - Background To investigate the role of microRNA (miR)-27a and miR-27b in adipogenesis in an in vitro model of Graves’ orbitopathy (GO). Methods Orbital fat tissues were harvested from GO and non-GO participants for primary orbital fibroblast cultures. The expression levels of miR-27a and miR-27b between GO and non-GO orbital fat tissues were compared. During adipogenesis of GO orbital fibroblasts, the expression levels of miR-27a and miR-27b were determined, and the effects of mimics of miR-27a and miR-27b transfection on adipogenesis of GO orbital fibroblast were investigated. Results Real time-polymerase chain reaction showed significantly more decreases in miR-27a and miR-27b levels in orbital fat tissues in GO participants than in non-GO participants (p < 0.05). The expression of both miR-27a and miR-27b was highest in orbital fibroblasts at day 0 and declined gradually after the induction of adipogenic differentiation. The expression levels of PPARγ, CCAAT/enhancer binding protein (C/EBP)α and C/EBPβ were decreased and Oil Red O-stained lipid droplets were lower in GO orbital fibroblasts transfected with miR-27a and miR-27b mimics than in negative controls. Conclusions Our results indicated that miR-27a and miR-27b inhibited adipogenesis in orbital fibroblasts from GO patients. Further studies are required to examine the potential of miR-27a and miR-27b as targets for therapeutic strategies.

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SN - 1932-6203

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MicroRNA-27 inhibits adipogenic differentiation in orbital fibroblasts from patients with Graves’ orbitopathy

Abstract

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