The role of pyroptosis in metabolism and metabolic disease

Zhuyuan Zheng1, Shaojie Yang1, Wanlin Dai2

  • 1Biliary Surgery (2nd General) Unit, Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, PR China.

Insights

Pyroptosis, a cell death process, drives inflammation and metabolic diseases like diabetes and obesity. Targeting pyroptosis offers a new therapeutic strategy for these conditions.

Area of Science:

  • Cellular Biology
  • Immunology
  • Metabolic Disease Research

Background:

  • Pyroptosis is a lytic, pro-inflammatory programmed cell death pathway.
  • It involves gasdermin proteins forming membrane pores, releasing inflammatory cytokines like IL-1β and IL-18.
  • Both canonical (caspase-1) and noncanonical (caspase-4/5/11) pathways activate pyroptosis.

Purpose of the Study:

  • To review advancements in understanding pyroptosis's role in metabolic diseases.
  • To explore pyroptosis as a potential therapeutic target for metabolic dysfunction.

Main Methods:

  • Literature review of current research on pyroptosis and metabolic diseases.
  • Analysis of the interplay between metabolic pathways and pyroptosis induction.
  • Examination of pyroptosis modulation in type 2 diabetes mellitus, obesity, and metabolic (dysfunction) associated fatty liver disease.

Main Results:

  • Chronic inflammation, driven by pyroptosis, contributes to metabolic disease development.
  • Dysregulation of metabolic pathways can trigger pyroptosis.
  • Pyroptosis plays a significant role in the progression of major metabolic diseases.

Conclusions:

  • Pyroptosis is intricately linked to the pathogenesis of metabolic diseases.
  • Modulating pyroptosis presents a promising therapeutic avenue for treating metabolic conditions.
  • Further research into pyroptosis mechanisms could unlock novel treatment strategies.

Related Concept Videos

Overview of Cell Death01:30

Overview of Cell Death

Cell death is an essential process where the body gets rid of old or damaged cells. Cell proliferation and death need to be balanced, as an imbalance between the two may lead to cancer or autoimmune diseases.
Cell death was observed in the early 19th century, but there was no experimental evidence to prove it. In 1842, Carl Vogt first discovered cell death in a metamorphic toad; however, it was not termed ‘cell death.’ Scientists discovered different cell death pathways only in the...
7.2K
Overview of Lipid Metabolism01:24

Overview of Lipid Metabolism

Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
1.4K
Inborn Errors of Metabolism01:20

Inborn Errors of Metabolism

Phenylketonuria (PKU) is a protein metabolism disorder characterized by high blood levels of the amino acid phenylalanine. This results from a mutation in the gene responsible for phenylalanine hydroxylase, an enzyme that converts phenylalanine into tyrosine. When this enzyme is deficient, phenylalanine builds up in the blood, leading to symptoms such as vomiting, rashes, seizures, growth deficiency, and severe mental retardation. An early diagnosis and a diet restricting phenylalanine intake...
155
Apoptosis01:30

Apoptosis

Apoptosis is a combination of two Greek words, 'apo' and 'ptosis,' meaning separation and falling off, respectively. Hippocrates used this word to describe gangrene, which was caused due to bandaging of fractured bones. Apoptosis was distinguished from necrosis in 1970 when John Kerr reported observations of morphological changes occurring during apoptosis. During one experiment, he observed that the disruption of blood supply to the liver tissue resulted in a size...
11.4K
Regulation of Metabolism01:19

Regulation of Metabolism

Cellular needs and conditions vary from cell to cell and change within individual cells over time. For example, the required enzymes and energetic demands of stomach cells are different from those of fat storage cells, skin cells, blood cells, and nerve cells. Furthermore, a digestive cell works much harder to process and break down nutrients during the time that closely follows a meal compared with many hours after a meal. As these cellular demands and conditions vary, so do the amounts and...
9.4K
Peroxisomes01:24

Peroxisomes

Peroxisomes are specialized organelles present in fungi, plant, and animal cells. It can vary in number, size, morphology, and activity depending on the type of tissue and the nutritional state of the cell. For example, cells with active lipid metabolism, such as adipocytes, neurons, and hepatocytes, have more peroxisomes than other cells in the body. Besides their primary role in breaking down complex organic molecules, peroxisomes can also synthesize specific macromolecules and participate in...
12.0K