Adiponectin, but Not TGF-β1, CTGF, IL-6 or TNF-α, May Be a Potential Anti-Inflammation and Anti-Fibrosis Factor in Keloid
Limin Luo,1,* Jun Li,2,* Yuran Wu,3 Jianjun Qiao,1 Hong Fang1 1Department of Dermatology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, People’s Republic of China; 2Department of Cardiology, The First Affiliated Hospital of Zhejiang University, Ha...
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Dove Medical Press
2021
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oai:doaj.org-article:baebeff0cd3a406ea3fab341fee6d1a62021-12-02T13:34:19ZAdiponectin, but Not TGF-β1, CTGF, IL-6 or TNF-α, May Be a Potential Anti-Inflammation and Anti-Fibrosis Factor in Keloid1178-7031https://doaj.org/article/baebeff0cd3a406ea3fab341fee6d1a62021-03-01T00:00:00Zhttps://www.dovepress.com/adiponectin-but-not-tgf-beta1-ctgf-il-6-or-tnf-alpha-may-be-a-potentia-peer-reviewed-article-JIRhttps://doaj.org/toc/1178-7031Limin Luo,1,* Jun Li,2,* Yuran Wu,3 Jianjun Qiao,1 Hong Fang1 1Department of Dermatology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, People’s Republic of China; 2Department of Cardiology, The First Affiliated Hospital of Zhejiang University, Hangzhou, 310003, People’s Republic of China; 3Department of Dermatology, Dongfeng General Hospital, Hubei University of Medicine, Shiyan, 442000, People’s Republic of China*These authors contributed equally to this workCorrespondence: Hong Fang Tel +86-571-87235857Email fanghongzy@zju.edu.cnIntroduction: Numerous studies have elucidated adiponectin as a negative impact on inflammation and tissue fibrosis. However, little is known about the relevance between adiponectin and inflammatory factors in keloid.Methods: To clarify whether adiponectin plays a role in the inflammation and fibrosis of keloid, 50 patients with keloid and 50 healthy subjects were enrolled, We examined the serum and mRNA expression levels of adiponectin, TGF-β 1, CTGF, IL-6 and TNF-α in normal skin tissues and keloid tissues by ELISA and qPCR, respectively. Correlation analysis between serum concentration of adiponectin with Vancouver Scar Scale (VSS) scores and the age of patients with keloid was evaluated, and the adiponectin concentrations in patients with keloid between different genders were measured. We further examined the effects of adiponectin on TGF-β 1 mediated expression of collagen I, FN and MMP-1 in normal fibroblasts (NFs) and keloid fibroblasts (KFs).Results: We discovered that lower serum concentration and mRNA expression of adiponectin, but higher TGF-β 1, CTGF, IL-6 and TNF-α levels were measured in patients with keloid compared with those in normal controls. Furthermore, there was a strong inverse correlation between the serum adiponectin levels and VSS scores in patients with keloid, but not in ages, and there was no statistically difference between different genders. Moreover, adiponectin attenuated TGF-β 1 mediated expression of collagen I and FN, and upregulated the expression level of MMP-1 in KFs, but not in NFs. In addition, the inhibitory effect of adiponectin on TGF-β 1 was attenuated by AMPK inhibitor Compound C, but not PI3K/Akt inhibitor LY294002.Discussion: Adiponectin may exert an anti-inflammation and anti-fibrosis role in the development of keloid. One of the underlying mechanisms may be the activation of the AMPK signaling pathway.Keywords: keloid, adiponectin, inflammatory factors, fibrosis, Vancouver Scar Scale scoresLuo LLi JWu YQiao JFang HDove Medical Pressarticlekeloidadiponectininflammatory factorsfibrosisvancouver scar scale scoresPathologyRB1-214Therapeutics. PharmacologyRM1-950ENJournal of Inflammation Research, Vol Volume 14, Pp 907-916 (2021) |
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keloid adiponectin inflammatory factors fibrosis vancouver scar scale scores Pathology RB1-214 Therapeutics. Pharmacology RM1-950 |
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keloid adiponectin inflammatory factors fibrosis vancouver scar scale scores Pathology RB1-214 Therapeutics. Pharmacology RM1-950 Luo L Li J Wu Y Qiao J Fang H Adiponectin, but Not TGF-β1, CTGF, IL-6 or TNF-α, May Be a Potential Anti-Inflammation and Anti-Fibrosis Factor in Keloid |
| description |
Limin Luo,1,* Jun Li,2,* Yuran Wu,3 Jianjun Qiao,1 Hong Fang1 1Department of Dermatology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310003, People’s Republic of China; 2Department of Cardiology, The First Affiliated Hospital of Zhejiang University, Hangzhou, 310003, People’s Republic of China; 3Department of Dermatology, Dongfeng General Hospital, Hubei University of Medicine, Shiyan, 442000, People’s Republic of China*These authors contributed equally to this workCorrespondence: Hong Fang Tel +86-571-87235857Email fanghongzy@zju.edu.cnIntroduction: Numerous studies have elucidated adiponectin as a negative impact on inflammation and tissue fibrosis. However, little is known about the relevance between adiponectin and inflammatory factors in keloid.Methods: To clarify whether adiponectin plays a role in the inflammation and fibrosis of keloid, 50 patients with keloid and 50 healthy subjects were enrolled, We examined the serum and mRNA expression levels of adiponectin, TGF-β 1, CTGF, IL-6 and TNF-α in normal skin tissues and keloid tissues by ELISA and qPCR, respectively. Correlation analysis between serum concentration of adiponectin with Vancouver Scar Scale (VSS) scores and the age of patients with keloid was evaluated, and the adiponectin concentrations in patients with keloid between different genders were measured. We further examined the effects of adiponectin on TGF-β 1 mediated expression of collagen I, FN and MMP-1 in normal fibroblasts (NFs) and keloid fibroblasts (KFs).Results: We discovered that lower serum concentration and mRNA expression of adiponectin, but higher TGF-β 1, CTGF, IL-6 and TNF-α levels were measured in patients with keloid compared with those in normal controls. Furthermore, there was a strong inverse correlation between the serum adiponectin levels and VSS scores in patients with keloid, but not in ages, and there was no statistically difference between different genders. Moreover, adiponectin attenuated TGF-β 1 mediated expression of collagen I and FN, and upregulated the expression level of MMP-1 in KFs, but not in NFs. In addition, the inhibitory effect of adiponectin on TGF-β 1 was attenuated by AMPK inhibitor Compound C, but not PI3K/Akt inhibitor LY294002.Discussion: Adiponectin may exert an anti-inflammation and anti-fibrosis role in the development of keloid. One of the underlying mechanisms may be the activation of the AMPK signaling pathway.Keywords: keloid, adiponectin, inflammatory factors, fibrosis, Vancouver Scar Scale scores |
| format |
article |
| author |
Luo L Li J Wu Y Qiao J Fang H |
| author_facet |
Luo L Li J Wu Y Qiao J Fang H |
| author_sort |
Luo L |
| title |
Adiponectin, but Not TGF-β1, CTGF, IL-6 or TNF-α, May Be a Potential Anti-Inflammation and Anti-Fibrosis Factor in Keloid |
| title_short |
Adiponectin, but Not TGF-β1, CTGF, IL-6 or TNF-α, May Be a Potential Anti-Inflammation and Anti-Fibrosis Factor in Keloid |
| title_full |
Adiponectin, but Not TGF-β1, CTGF, IL-6 or TNF-α, May Be a Potential Anti-Inflammation and Anti-Fibrosis Factor in Keloid |
| title_fullStr |
Adiponectin, but Not TGF-β1, CTGF, IL-6 or TNF-α, May Be a Potential Anti-Inflammation and Anti-Fibrosis Factor in Keloid |
| title_full_unstemmed |
Adiponectin, but Not TGF-β1, CTGF, IL-6 or TNF-α, May Be a Potential Anti-Inflammation and Anti-Fibrosis Factor in Keloid |
| title_sort |
adiponectin, but not tgf-β1, ctgf, il-6 or tnf-α, may be a potential anti-inflammation and anti-fibrosis factor in keloid |
| publisher |
Dove Medical Press |
| publishDate |
2021 |
| url |
https://doaj.org/article/baebeff0cd3a406ea3fab341fee6d1a6 |
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