Cited by 28Natural Antidiabetic Agents StudiesAdipokines, Inflammation, and Metabolic DiseasesMetabolism, Diabetes, and Cancer

A polyphenol rescues lipid induced insulin resistance in skeletal muscle cells and adipocytes

Gogoi, Bhaskarjyoti, Chatterjee, Priyajit, Mukherjee, Sandip, Buragohain, Alak Kumar, Bhattacharya, Samir, Dasgupta, Suman·2014·Biochemical and Biophysical Research Communications

Abstract

Skeletal muscle and adipose tissues are known to be two important insulin target sites. Therefore, lipid induced insulin resistance in these tissues greatly contributes in the development of type 2 diabetes (T2D). Ferulic acid (FRL) purified from the leaves of Hibiscus mutabilis, showed impressive effects in preventing saturated fatty acid (SFA) induced defects in skeletal muscle cells. Impairment of insulin signaling molecules by SFA was significantly waived by FRL. SFA markedly reduced insulin receptor β (IRβ) in skeletal muscle cells, this was affected due to the defects in high mobility group A1 (HMGA1) protein obtruded by phospho-PKCε and that adversely affects IRβ mRNA expression. FRL blocked PKCε activation and thereby permitted HMGA1 to activate IRβ promoter which improved IR expression deficiency. In high fat diet (HFD) fed diabetic rats, FRL reduced blood glucose level and enhanced lipid uptake activity of adipocytes isolated from adipose tissue. Importantly, FRL suppressed fetuin-A (FetA) gene expression, that reduced circulatory FetA level and since FetA is involved in adipose tissue inflammation, a significant attenuation of proinflammatory cytokines occurred. Collectively, FRL exhibited certain unique features for preventing lipid induced insulin resistance and therefore promises a better therapeutic choice for T2D.

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Crossref · 10.1016/j.bbrc.2014.08.079

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  • Phospho-HMGA1 interacts with positively charged histones in heterochromatin regions, reducing its occupation of the INSR promoter and negatively affecting INSR protein expression.

    “Phospho-HMGA1 interacts with positively charged histones in heterochromatin regions, reducing its occupation of the INSR promoter, and thus, negatively affecting INSR protein expression.”
  • In in vitro models of differentiated skeletal myocytes, ferulic acid reduces activation and nuclear migration of PKCε induced by saturated fatty acids, securing HMGA1 transactivating potential on the INSR gene and preserving normal downstream insulin signaling.

    “In in vitro models of differentiated skeletal myocytes, polyphenol ferulic acid can reduce the activation and nuclear migration of PKCε, induced by saturated fatty acids, and secure the transactivating potential of HMGA1 on INSR gene, thus preserving a normal downstream insulin signaling [192].”
  • In skeletal myocytes, saturated fatty acid-induced insulin resistance can be rescued by a plant-derived polyphenol through an HMGA1-mediated mechanism.

    “In skeletal myocytes, which are the main determinants of insulin sensitivity in humans, saturated fatty acid-induced IR can be rescued by a plant-derived polyphenol through an HMGA1-mediated mechanism [192].”

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Authors
Gogoi, B., Chatterjee, P., Mukherjee, S., Buragohain, A. K., Bhattacharya, S., & Dasgupta, S.
Affiliations
  • Tezpur University (IN)
  • Visva-Bharati University (IN)
Corresponding author
Dasgupta, Suman
Venue
Biochemical and Biophysical Research Communications
Publisher
Elsevier BV
Published
2014-09
Volume
452
Issue
3
Pages
382-388
ISSN
0006-291X (ISSN-L)
OpenAlex
W2017361291
Cited by
28
References
37
Citations by year
2025: 1 · 2023: 2 · 2022: 5 · 2021: 3 · 2020: 3 · 2019: 1 · 2018: 5 · 2017: 2 · 2016: 3 · 2015: 3
FWCI
2.14
Type
journal article
Language
en
Open access
closed
Locations
  • Biochemical and Biophysical Research Communications (publishedVersion)
  • PubMed (publishedVersion)
Funders
Department of Biotechnology, Ministry of Science and Technology, India (BT/56/NE/TBP/2010)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Natural Antidiabetic Agents Studies
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Metabolism, Diabetes, and Cancer
Keywords
ferulic acid, Hibiscus mutabilis, lipid-induced insulin resistance, type 2 diabetes, saturated fatty acids, skeletal muscle, adipocytes, insulin receptor beta, HMGA1, protein kinase C epsilon, fetuin-A, adipose tissue inflammation, high-fat diet, polyphenols
MeSH terms
Adipose Tissue, Animals, Coumaric Acids, Diabetes Mellitus, Experimental, Fatty Acids, Gene Expression Regulation, Hypoglycemic Agents, Insulin Resistance, Male, Promoter Regions, Genetic, Receptor, Insulin, Signal Transduction, Rats, Sprague-Dawley, Adipocytes, Muscle, Skeletal, Plant Leaves, HMGA1a Protein, Hibiscus, Rats, Protein Kinase C-epsilon, Diet, High-Fat, alpha-2-HS-Glycoprotein

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