Expression of Uterine Sensitization-Associated Gene-1 (USAG-1) in the Mouse Uterus During the Peri-Implantation Period
スポンサーリンク
概要
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Rat uterine sensitization-associated gene-1 (USAG-1) mRNA is expressed in the uterus during the peri-implantation period, and its mRNA expression in uterine epithelial cells is highest on day 5 of pregnancy. On the other hand, since changes in USAG-1 mRNA expression in the mouse uterus are not seen during the estrous cycle, USAG-1 expression might be specifically regulated by embryonic factors rather than by the maternal environment. However, the expression pattern and function of USAG-1 in the mouse uterus have not been determined. Thus, we examined the tissue-specific USAG-1 mRNA expression in the uteri of ICR mice during peri-implantation using real-time quantitative PCR. Uterine tissues, such as the myometrium, luminal epithelium, and stroma, were collected by laser capture microdissection at 3.5-6.5 dpc. USAG-1 mRNA was expressed in the uteri of pregnant mice from 3.5 dpc to 6.5 dpc, and the highest level of expression was seen at 4.5 dpc (p<0.01). Significantly high USAG-1 mRNA expression was detected in the luminal epithelium at 4.5 dpc (p<0.05). The stroma and myometrium exhibited unchanged expression levels of USAG-1 mRNA at 3.5-5.5 dpc. USAG-1 mRNA was undetectable in blastocysts and implanting embryos. Expression of USAG-1 mRNA appears to be associated with blastocyst implantation to the luminal epithelium, suggesting that physiological or biochemical contact of the blastocyst to the uterus is required for USAG-1 expression.
- 日本繁殖生物学会の論文
- 2007-08-01
著者
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SUZUKI Hiroshi
Research Unit for Functional Genomics, National Research Center for Protozoan Diseases, Obihiro Univ
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Lee Dong-soo
Obihiro University Of Agriculture And Veterinary Medicine
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LEE Dong
Obihiro University of Agriculture and Veterinary Medicine
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YANAGIMOTO UETA
Obihiro University of Agriculture and Veterinary Medicine
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SUZUKI Hiroshi
Obihiro University of Agriculture and Veterinary Medicine
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MAEDA Kanami
Research Unit for Functional Genomics, National Research Center for Protozoan Diseases, Obihiro Univ
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LEE Dong-Soo
Research Unit for Functional Genomics, National Research Center for Protozoan Diseases, Obihiro Univ
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YANAGIMOTO UETA
Research Unit for Functional Genomics, National Research Center for Protozoan Diseases, Obihiro Univ
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Maeda Kanami
Research Unit For Functional Genomics National Research Center For Protozoan Diseases Obihiro Univer
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Suzuki Hiroshi
Research Group For Neutron Scattering From Functional Materials Neutron Science Research Center Japa
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Ueta‐yanagimoto Yoshiko
Obihiro University Of Agriculture And Veterinary Medicine
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Yanagimoto Ueta
Research Unit For Functional Genomics National Research Center For Protozoan Diseases Obihiro Univer
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Yanagimoto-Ueta Yoshiko
Research Unit for Functional Genomics, National Research Center for Protozoan Diseases, Obihiro University of Agriculture and Veterinary Medicine
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Suzuki Hiroshi
Research Center, Taisho Pharmaceutical Co., Ltd.,
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