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Related Concept Videos

Proteomics01:33

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...
Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...

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Updated: Jun 20, 2026

"Cell Surface Capture" Workflow for Label-Free Quantification of the Cell Surface Proteome
06:31

"Cell Surface Capture" Workflow for Label-Free Quantification of the Cell Surface Proteome

Published on: March 24, 2023

Sperm surface proteomics: from protein lists to biological function.

Ian A Brewis1, Barend M Gadella

  • 1Department of Infection, Immunity and Biochemistry, Henry Wellcome Building, School of Medicine, Heath Park, Cardiff University, Cardiff CF14 4XN, UK. brewisia@cardiff.ac.uk

Molecular Human Reproduction
|September 1, 2009
PubMed
Summary
This summary is machine-generated.

Proteomics research in reproductive biology is advancing. Focusing on the sperm surface proteome using advanced fractionation methods enhances understanding of fertilization and reproductive cell function.

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Area of Science:

  • Reproductive Biology and Medicine
  • Proteomics
  • Cellular Biology

Background:

  • Proteomics technologies have advanced, leading to more research in reproductive biology.
  • A key challenge is translating protein identification lists into functional biological understanding.
  • Mammalian sperm at fertilization serve as a model for proteomic studies.

Purpose of the Study:

  • To review common proteomics workflows for protein identification.
  • To highlight the advantages of subcellular fractionation and solubilization for biological insight.
  • To emphasize the importance of studying the sperm surface proteome for understanding fertilization.

Main Methods:

  • Review of existing proteomics workflows.
  • Focus on mammalian sperm cell proteomic studies.
  • Discussion of subcellular fractionation and solubilization strategies.

Main Results:

  • Subcellular fractionation and specific solubilization techniques offer critical advantages for biological understanding.
  • Studying the sperm surface proteome via purified plasma membrane fractions is imperative for understanding gamete recognition.
  • Proteins from the genital tract can influence sperm surface protein composition.

Conclusions:

  • Advanced proteomics, particularly focusing on cell surface membranes, is crucial for understanding reproductive cell function.
  • Strategies exist for comprehensive analysis of the sperm surface proteome.
  • The principles discussed apply to other reproductive cell types.