Heat shock response regulates insulin sensitivity and glucose homeostasis: pathophysiological impact and therapeutic

Tatsuya Kondo1, Saori Koga, Rina Matsuyama

  • 1Department of Metabolic Medicine, Faculty of Life Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto 860-8556, Japan.

Insights

Activating the heat shock response (HSR) boosts heat shock protein 72 (HSP72) to improve metabolic health. This approach may offer new treatments for obesity, metabolic syndrome, and type 2 diabetes.

Area of Science:

  • Cellular Biology
  • Metabolic Physiology
  • Endocrinology

Background:

  • Obesity, metabolic syndrome (MS), and type 2 diabetes mellitus (T2DM) are global health challenges.
  • Impaired heat shock response (HSR) contributes to metabolic dysfunction.
  • HSR is a cellular defense mechanism crucial for maintaining homeostasis.

Purpose of the Study:

  • To review the physiological role of HSR in insulin sensitivity and glucose metabolism.
  • To explore the therapeutic potential of targeting HSR for metabolic diseases.
  • To discuss HSR's impact on cellular stress and related conditions.

Main Methods:

  • Literature review of studies on HSR, insulin resistance, and metabolic disorders.
  • Analysis of mechanisms involving heat shock protein 72 (HSP72) and stress kinases (JNK, IKKβ).
  • Examination of HSR's effects on inflammatory cytokine production and atherogenesis.

Main Results:

  • Activation of HSR increases HSP72 expression, enhancing insulin sensitivity and glucose homeostasis.
  • HSR activation inhibits stress kinases like JNK and IKKβ, mitigating metabolic abnormalities.
  • Targeting HSR may reduce inflammation and prevent cardiovascular complications associated with MS and T2DM.

Conclusions:

  • HSR plays a critical role in regulating metabolic health and combating insulin resistance.
  • Modulating HSR presents a promising therapeutic strategy for MS, T2DM, and other stress-related diseases.
  • Further research into HSR activation could lead to novel treatments for metabolic disorders.

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