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Proteomics

Proteomics

A proteome is the entire set of proteins that a cell type produces. We can study proteomes using the knowledge of genomes because genes code for mRNAs, and the mRNAs encode proteins. Although mRNA analysis is a step in the right direction, not all mRNAs are translated into proteins.
Proteomics is the study of proteomes' function. It involves the large-scale systematic study of the proteome to denote the protein complement expressed by a genome. Scientist Mark Wilkins coined the term proteomics...

Type I Diabetes II: Pathophysiology

Type I Diabetes II: Pathophysiology

Type 1 diabetes mellitus arises from an immune-mediated destruction of pancreatic β-cells, resulting in an absolute deficiency of insulin. This process develops in genetically susceptible individuals when autoimmunity, environmental exposures, and immunologic dysregulation converge to trigger a targeted attack on the insulin-producing cells of the pancreas. The β-cells are located within the islets of Langerhans and are essential for regulating blood glucose by facilitating cellular uptake of...

Pathophysiology of Diabetes

Pathophysiology of Diabetes

Diabetes mellitus is a chronic metabolic disorder characterized by hyperglycemia. The four categories of diabetes are type 1 diabetes, type 2 diabetes, other specific types of diabetes, and gestational diabetes.
Type 1 diabetes is characterized by autoimmune-mediated destruction of pancreatic β cells, with environmental factors potentially triggering this process in genetically susceptible individuals. Despite many not having a family history, certain genes increase susceptibility, suggesting a...

Type II Diabetes II: Pathophysiology

Type II Diabetes II: Pathophysiology

PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.

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Related Experiment Video

Updated: Jul 3, 2026

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Published on: May 2, 2025

Proteomics in diabetes research.

Tea Sundsten¹, Henrik Ortsäter

¹Department of Medical Cell Biology, Uppsala University, Uppsala, Sweden.

Molecular and Cellular Endocrinology

|July 29, 2008

Summary

This review highlights the importance of proteomics in understanding diabetes mellitus. Proteomic studies reveal disease mechanisms and treatment effects in key tissues, advancing diabetes research.

Area of Science:

Endocrinology and Metabolism
Molecular Biology
Biochemistry

Background:

Type 1 and type 2 diabetes mellitus are complex diseases involving genetic and molecular alterations.
Transcriptional changes do not always correlate with protein level changes, necessitating protein analysis.
Proteomics offers a powerful approach to simultaneously measure numerous protein alterations.

Purpose of the Study:

To review the current landscape of diabetes proteomics.
To summarize findings from proteomic studies in diabetes research.
To discuss the application of proteomics in understanding disease pathophysiology and treatment effects.

Main Methods:

Review of existing proteomic studies in diabetes research.
Analysis of proteomic data from various tissues including pancreatic islets, beta-cells, serum, fat, skeletal muscle, and liver.

Related Experiment Videos

Last Updated: Jul 3, 2026

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Comparative Proteomic Analysis of Whole Kidney, Medulla, and Cortical Tubules in Diabetic Pathogenesis of Kidney Injury in Mice

Published on: May 2, 2025

Integration of proteomic findings with mRNA expression studies.

Main Results:

Proteomic studies have significantly contributed to describing healthy tissue and unraveling the pathophysiology of diabetes.
Investigated alterations in protein levels across multiple tissues relevant to diabetes.
Evaluated the impact of various treatments on protein expression profiles in diabetes models.

Conclusions:

Proteomics is crucial for a comprehensive understanding of diabetes mellitus heterogeneity.
Protein level analysis complements mRNA studies for a complete molecular picture of diabetes.
Diabetes proteomics continues to provide valuable insights into disease mechanisms and therapeutic strategies.