Role of Receptor Protein Tyrosine Phosphatases (RPTPs) in Insulin Signaling and Secretion

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Julio Sevillano1, María Gracia Sánchez-Alonso1, Javier Pizarro-Delgado1

  • 1Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities, Urbanización Montepríncipe, Alcorcón, 28925 Madrid, Spain.

International Journal of Molecular Sciences
|June 2, 2021
PubMed

Insights

Receptor protein tyrosine phosphatases (RPTPs) play a key role in regulating insulin signaling. Understanding their function is crucial for developing new treatments for obesity and type 2 diabetes mellitus (T2DM).

Area of Science:

  • Endocrinology
  • Molecular Biology
  • Metabolic Diseases

Background:

  • Rising prevalence of obesity and type 2 diabetes mellitus (T2DM) in developed nations due to lifestyle changes.
  • These metabolic diseases are linked to insulin resistance, imposing significant healthcare costs.
  • Need for novel therapeutic targets and early diagnostic biomarkers for effective management.

Purpose of the Study:

  • To review the role of transmembrane receptor protein tyrosine phosphatases (RPTPs) in insulin signaling.
  • To explore the impact of RPTPs on insulin secretion.
  • To elucidate the involvement of RPTPs in metabolic diseases like obesity and T2DM.

Main Methods:

  • Literature review focusing on RPTPs and insulin signaling pathways.
  • Analysis of studies investigating RPTPs' function in insulin receptor cascade.
  • Examination of research linking RPTPs to obesity and T2DM pathogenesis.

Main Results:

  • RPTPs are critical regulators of the insulin receptor signaling cascade.
  • Protein tyrosine kinases amplify insulin response, while phosphatases modulate its duration and rate.
  • Dysregulation of RPTPs is implicated in the development of insulin resistance, obesity, and T2DM.

Conclusions:

  • RPTPs are significant players in maintaining metabolic homeostasis.
  • Targeting RPTPs may offer a promising therapeutic strategy for obesity and T2DM.
  • Further research into RPTPs could lead to the discovery of early biomarkers for metabolic disorders.
Keywords:
T2DMinsulin secretioninsulin signalingreceptor protein tyrosine phosphatases (RPTP)

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