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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...

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The Proteasome

Eukaryotic cells can degrade proteins through several pathways. One of the most important among these is the ubiquitin-proteasome pathway. It helps the cell eliminate the misfolded, damaged, or unwarranted cytoplasmic proteins in a highly specific manner.
In this pathway, the target proteins are first tagged with small proteins called ubiquitin. This involves participation of a series of enzymes including— E1 (ubiquitin-activating enzyme), E2 (ubiquitin-conjugating enzyme), and E3 (ubiquitin...

The Proteasome

The Proteasome

Eukaryotic cells can degrade proteins through several pathways. One of the most important amongst these is the ubiquitin-proteasome pathway. It helps the cell eliminate the misfolded, damaged, or unwarranted cytoplasmic proteins in a highly specific manner.
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Microtubules in Signaling

The primary cilium, made up of microtubules, acts as antennae on the cell surfaces for relaying external stimuli into the cells. These fine hair-like structures are present, generally one per cell. These are non-motile cilia in a 9+0 microtubules arrangement, where the central pair of microtubules are absent. The primary cilia arise from the basal body embedded in the cell membrane. Intraflagellar transport (IFT) carries requisite proteins from the cytoplasm to the cilium because the primary...

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Related Experiment Video

Updated: Jun 5, 2026

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Published on: November 15, 2017

Proteomics and tubulopathies.

Annalisa Vilasi¹, Giovambattista Capasso

¹Division of Nephrology, Second University of Naples, Naples, Italy. avilasi@unisa.it

Journal of Nephrology

|December 21, 2010

Summary

Molecular genetics and proteomics advance understanding of hereditary kidney diseases. Combining these approaches reveals defective molecular mechanisms in tubulopathies, improving comprehension of renal disorders.

Area of Science:

Renal Physiology
Molecular Biology
Genetics
Proteomics

Background:

Significant progress in renal physiology driven by molecular biology and high-throughput technologies.
Molecular genetics has identified mutations in transporters and ion channels linked to renal disorders like cystinuria, Dent's disease, and Liddle syndrome.

Purpose of the Study:

To summarize key discoveries from molecular genetic and proteomic studies on hereditary tubular dysfunctions.
To illustrate how genomics and proteomics complement each other in understanding these disorders at a molecular level.

Main Methods:

Utilizing molecular genetics to identify gene mutations causing renal disorders.
Employing proteomics approaches to study the molecular pathophysiology of hereditary tubular disorders.

More Related Videos

TMT Sample Preparation for Proteomics Facility Submission and Subsequent Data Analysis

TMT Sample Preparation for Proteomics Facility Submission and Subsequent Data Analysis

Published on: June 8, 2020

Related Experiment Videos

Last Updated: Jun 5, 2026

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Deep Proteome Profiling by Isobaric Labeling, Extensive Liquid Chromatography, Mass Spectrometry, and Software-assisted Quantification

Published on: November 15, 2017

TMT Sample Preparation for Proteomics Facility Submission and Subsequent Data Analysis

TMT Sample Preparation for Proteomics Facility Submission and Subsequent Data Analysis

Published on: June 8, 2020

Integrating genomics and proteomics to balance their respective strengths and weaknesses.

Main Results:

Identification of specific gene mutations (e.g., SLC3A1, SLC7A9, CLC5, SCNN1B) associated with renal stone disorders and hypertension.
Proteomics studies have provided insights into defective molecular mechanisms underlying Fanconi and Gitelman syndromes.
Genomic and proteomic data offer complementary information for a comprehensive understanding.

Conclusions:

Advances in molecular genetics and proteomics are crucial for understanding hereditary tubular dysfunctions.
The integration of genomics and proteomics enhances comprehension of renal disorder pathophysiology.
Further research is warranted to address remaining challenges in translating gene expression to protein function.