Unknown,Transcriptomics,Genomics,Proteomics

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Transcription profiling of mouse male and female blastocysts


ABSTRACT: Male embryos are reported to develop faster than female in the preimplantation stage. Therefore, male and female embryos can be considered phenotypically different as early as the preimplantation stage. Employing our sexing system of enhanced green fluorescent protein (EGFP) tagging X chromosomes, we compared the global gene expression pattern of male and female embryos at the blastocyst stage using DNA microarray. Experiment Overall Design: samples were collected from three independent preparations and the experiments were triplicated. Scanned microarray results were processed with Feature Extraction software (ver. 7.5, Agilent).  The hybridization experiments were duplicated in a reciprocal labeling manner to reduce dye integration bias, and total of six hybridizations were carried out for the entire analysis.  Combining plural array results and statistical analyses were carried out by Luminator software (Rosetta).

ORGANISM(S): Mus musculus

SUBMITTER: Shin Kobayashi 

PROVIDER: E-GEOD-2934 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Comparison of gene expression in male and female mouse blastocysts revealed imprinting of the X-linked gene, Rhox5/Pem, at preimplantation stages.

Kobayashi Shin S   Isotani Ayako A   Mise Nathan N   Yamamoto Masamichi M   Fujihara Yoshitaka Y   Kaseda Kazuhiro K   Nakanishi Tomoko T   Ikawa Masahito M   Hamada Hiroshi H   Abe Kuniya K   Okabe Masaru M  

Current biology : CB 20060101 2


Mammalian male preimplantation embryos develop more quickly than females . Using enhanced green fluorescent protein (EGFP)-tagged X chromosomes to identify the sex of the embryos, we compared gene expression patterns between male and female mouse blastocysts by DNA microarray. We detected nearly 600 genes with statistically significant sex-linked expression; most differed by 2-fold or less. Of 11 genes showing greater than 2.5-fold differences, four were expressed exclusively or nearly exclusive  ...[more]

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