Comparison of c-DNA microarray analysis of gene expression between eutopic endometrium and ectopic endometrium (endometriosis)

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This study compared gene expression profiles of eutopic endometrium and ectopic endometrium from endometriosis patients using cDNA microarray analysis.

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This study compared gene expression profiles between eutopic endometrium and ectopic endometriotic tissue in endometriosis using Atlas cDNA microarrays. Researchers analyzed differentially expressed genes across repeated experiments and found that out of 1176 genes on the array, only 13 genes were consistently differentially expressed in ectopic tissue relative to endometrium, with 9 up-regulated and 4 down-regulated; the study reports that only these 13 identical genes remained after repeating the analysis three times. The authors conclude that imbalanced expression of reproductive-process–related genes may contribute to reduced embryo implantation, but a key caveat is that the number of robustly differential genes was small despite array-wide testing. This paper is centrally about endometriosis — it directly performs cDNA microarray comparisons between eutopic and ectopic endometrium to identify differentially expressed genes involved in endometriosis pathogenesis.

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Abstract

ProblemAs recent studies have suggested abnormalities in the regulation of specific genes in the development of endometriosis, we investigated differentially expressed genes in endometriosis compared to endometrium.Method of studyGene expression profiles using the Atlas microarray were performed in endometriotic tissue and endometrium. Nine of the 13 genes of endometriotic tissue showed an up-regulation in relation to endometrium and four of the 13 genes a down-regulation.ResultsOf the 1176 genes on the Atlas Human 1,2 array, only 13 differentially expressed identical genes were detected after repeating the gene analysis three times.ConclusionAccording to our c-DNA analysis some differentially expressed genes may be involved in the pathogenesis of endometriosis. An imbalance in the genes responsible for the reproductive process may lead to a decrease in embryo implantation in patients with endometriosis.
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Abstract

Problem: As recent studies have suggested abnormalities in the regulation of specific genes in the development of endometriosis, we investigated differentially expressed genes in endometriosis compared to endometrium. Method of study: Gene expression profiles using the Atlas microarray were performed in endometriotic tissue and endometrium. Nine of the 13 genes of endometriotic tissue showed an up-regulation in relation to endometrium and four of the 13 genes a down-regulation. Results: Of the 1176 genes on the Atlas Human 1,2 array, only 13 differentially expressed identical genes were detected after repeating the gene analysis three times. Conclusion: According to our c-DNA analysis some differentially expressed genes may be involved in the pathogenesis of endometriosis. An imbalance in the genes responsible for the reproductive process may lead to a decrease in embryo implantation in patients with endometriosis. Similar content being viewed by others

References

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Comparison of c-DNA microarray analysis of gene expression between eutopic endometrium and ectopic endometrium (endometriosis). J Assist Reprod Genet 24, 249–258 (2007). https://doi.org/10.1007/s10815-007-9116-y Received: Accepted: Published: Issue date: DOI: https://doi.org/10.1007/s10815-007-9116-y

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endometriosis

MeSH descriptors

Endometriosis Endometrium Gene Expression Profiling Oligonucleotide Array Sequence Analysis Uterine Diseases Adult Endometriosis Endometriosis Endometrium Female Gene Expression Regulation Humans Uterine Diseases Uterine Diseases

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