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[PLOS ONE] Discovery of a novel potent peptide agonist to adiponectin receptor 1
작성자 : 관리자(lse14@naver.com)   작성일 : 18.06.19   조회수 : 73
첨부파일 : journal.pone.0199256.pdf

Discovery of a novel potent peptide agonist to adiponectin receptor 1

 

 




 

Abstract

Activation of adiponectin receptors (AdipoRs) by its natural ligand, adiponectin has been known to be involved in modulating critical metabolic processes such as glucose

metabolism and fatty acid oxidation as demonstrated by a number of in vitro and in vivo studies over last two decades. These findings suggest that AdipoRs’ agonists

could be developed into a potential therapeutic agent for metabolic diseases, such as diabetes mellitus, especially for type II diabetes, a long-term metabolic disorder

 characterized by high blood sugar, insulin resistance, and relative lack of insulin. Because of limitations in production of biologically active adiponectin, adiponectin-mimetic

AdipoRs’ agonists have been suggested as alternative ways to expand the opportunity to develop anti-diabetic agents. Based on crystal structure of AdipoR1,

 we designed AdipoR1’s peptide agonists using protein-peptide docking simulation and screened their receptor binding abilities and biological functions via surface

 plasmon resonance (SPR) and biological analysis. Three candidate peptides, BHD1028, BHD43, and BHD44 were selected and confirmed to activate AdipoR1-mediated

 signal pathways. In order to enhance the stability and solubility of peptide agonists, candidate peptides were PEGylated. PEGylated BHD1028 exhibited its biological activity

at nano-molar concentration and could be a potential therapeutic agent for the treatment of diabetes. Also, SPR and virtual screening techniques utilized in this study

may potentially be applied to other peptide-drug screening processes against membrane receptor proteins.

 


  • Brian B. Kim,
  • Sunghwan Kim,
  • Younho Lee, 
  • Jun Woo Kim, 
  • Young-Jin Son, 
  • Min Jung Ma, 
  • Jee-Hyun Um, 
  • Nam Doo Kim, 
  • Sang Hyun Min, 
  • Dong Il Kim 
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출처 :  PLOS l ONE

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