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Mol Reprod Dev. 2004 Jun;68(2):142-8.

Transcriptome of mouse uterus by serial analysis of gene expression (SAGE): comparison with skeletal muscle.

Author information

1
Molecular Endocrinology and Oncology Research Center, Department of Anatomy and Physiology, Laval University Medical Center, 2705 Boulevard Laurier-BlocT, Quebec G1V 4G2, Canada.

Abstract

The aim of this study was to identify the transcriptome of the normal mouse uterus by Serial Analysis of Gene Expression method. mRNA was extracted from the uterus and also from the gastrocnemius muscle of mice. Short sequences (tags), each one usually corresponding to a distinct transcript, were isolated and concatemerized into long DNA molecules which were cloned and sequenced. We detected 44,484 tags for the uterus and 42,518 tags for the muscle, representing 14,543 and 14,958 potential transcript species, respectively. Seventy-five and sixty-nine genes were expressed at more than 0.1%, thus corresponding to 37 and 34% of the mRNA population detected in the respective tissues. In both cases, the most highly expressed genes are especially involved in muscle contraction, energy metabolism, and protein synthesis. Compared to skeletal muscle, some differentially expressed genes in the uterus are likely to correspond to its specific reproductive functions. The majority of these genes remain to be characterized. More than 70% of the different tags detected in the uterus did not match any sequence in the public databases and can represent novel or poorly identified genes. This study is the first quantitative description of the transcriptome of the uterus.

PMID:
15095334
DOI:
10.1002/mrd.20065
[Indexed for MEDLINE]

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