An investigation of the effects of endometriosis on the proteome of human eutopic endometrium: A heterogeneous tissue with a complex disease

Paul A Fowler, Paul Fowler, Jenny Tattum, Siladitya Bhattacharya, Thomas Klonisch, Sabine Hombach-Klonisch, Sabine Hombach‐Klonisch, Rafet Gazvani, Richard G Lea, Iain D. Miller, Iain Miller, William G Simpson, Phillip Cash
Proteomics · 2006 · vol. 7(1) , pp. 130–142 · doi:10.1002/pmic.200600469 · PMID:17124717 · W1969564606
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Abstract

The pathogenesis of endometriosis includes the proliferation of heterogeneous endometrial cells and their invasion into ectopic sites within the peritoneal cavity. This may be due to abnormalities of the eutopic endometrium itself, predisposing the cells to survive and implant ectopically. We investigated the applicability of 2-DE gels and peptide mass mapping to identify candidate endometrial proteins with a role in endometriosis. Despite the heterogeneous nature of endometrium, our results show that combining the analysis of 2-DE gels and peptide mass mapping yields consistent data. We identified dysregulated proteins in women with endometriosis which included: (i) molecular chaperones including heat shock protein 90 and annexin A2, (ii) proteins involved in cellular redox state, such as peroxiredoxin 2, (iii) proteins involved in protein and DNA formation/breakdown, including ribonucleoside-diphosphate reductase, prohibitin and prolyl 4-hydroxylase, and (iv) secreted proteins, such as apolipoprotein A1. These proteins have functions which suggest that they could play a role in the pathogenesis of endometriosis. This study demonstrated that 2-DE gel analysis and mass spectroscopic protein identification are suitable for the identification of proteins with candidate associations with endometriosis. These techniques should be used on a larger scale to identify endometriosis-related proteins, thus improving the understanding of this complex disease.

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Condition tags

mesh:D004715endometriosis

MeSH descriptors

Endometriosis Endometrium Proteome Adult Electrophoresis, Gel, Two-Dimensional Endometriosis Endometrium Female Humans Menstrual Cycle Menstrual Cycle Proteome Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization

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