Retinol binding protein 4 antagonists and protein synthesis inhibitors: Potential for therapeutic development

Noheul Kim1, Ronny Priefer1

  • 1Massachusetts College of Pharmacy and Health Sciences University, Boston, MA, USA.

Insights

Retinol-binding protein 4 (RBP4) is linked to various diseases. Developing RBP4 antagonists offers a promising therapeutic strategy for conditions like insulin resistance and cardiovascular disease.

Area of Science:

  • Biochemistry
  • Endocrinology
  • Pharmacology

Background:

  • Retinol-binding protein 4 (RBP4) is a key serum transporter for Vitamin A.
  • Elevated RBP4 levels are associated with metabolic syndromes, including insulin resistance, type 2 diabetes, cardiovascular diseases, obesity, and macular degeneration.

Purpose of the Study:

  • To review the therapeutic potential of targeting RBP4.
  • To highlight the development of RBP4 antagonists and protein synthesis inhibitors.

Main Methods:

  • Review of preclinical and clinical studies on RBP4 antagonists.
  • Analysis of existing data on drugs and nutraceuticals affecting RBP4 expression.

Main Results:

  • Several RBP4 antagonists, such as BPN-14136, have shown promising safety and efficacy in animal models.
  • Tinlarebant and STG-001 are RBP4 antagonists currently in clinical trials.
  • Some antidiabetic drugs and nutraceuticals may reduce RBP4 expression, but require further clinical validation.

Conclusions:

  • Targeting RBP4 presents a potential therapeutic avenue for a range of diseases.
  • Further research is crucial for developing clinically effective RBP4 antagonists or protein synthesis inhibitors.

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