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Expression of Amphiregulin During the Pre- and Post-implantation Period in the Mouse Reproductive Tract OAK
LEE, Dong-Soo; YANAGIMOTO UETA, Yoshiko; SUZUKI, Hiroshi; 鈴木, 宏志.
In mammals, embryo implantation is an essential step in reproduction. Implantation is a phenomenon that involves crosstalk between the blastocyst and the maternal endometrium. However, the molecular basis of the connections between the blastocyst and endometrium is not yet fully understood. Amphiregulin is a member of the epidermal growth factor family and is known to be expressed in the luminal epithelium of the mouse uterus on 3.5 days post coitum (dpc). Thus, to clarify the mechanism of amphiregulin at fetomaternal interface, we analyzed the expression pattern of amphiregulin mRNA in the oviducts and uteri of pregnant and psuedopregnant mice by means of real-time PCR. Amphiregulin expression in the pregnant uterus dramatically increased on 2.5 dpc,...
Palavras-chave: Mice; Implantation; Embryo transfer; Amphiregulin; MRNA.
Ano: 2006 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3026
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Expression of Uterine Sensitization-Associated Gene-1 (USAG-1) in the Mouse Uterus During the Peri-Implantation Period OAK
MAEDA, Kanami; LEE, Dong-Soo; YANAGIMOTO UETA, Yoshiko; SUZUKI, Hiroshi; 鈴木, 宏志.
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...
Palavras-chave: Implantation; Mouse; MRNA; Uterine sensitization-associated gene-1 (USAG-1); Uterus.
Ano: 2007 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3024
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Expression Patterns of the Implantation-associated Genes in the Uterus during the Estrous Cycle in Mice OAK
LEE, Dong-Soo; YANAGIMOTO UETA, Yoshiko; XUAN, Xuenan; IGARASHI, Ikuo; FUJISAKI, Kozo; SUGIMOTO, Chihiro; TOYODA, Yutaka; SUZUKI, Hiroshi; 玄, 学南; 五十嵐, 郁男; 鈴木, 宏志.
The mRNA expression patterns of EGF, HB-EGF, Amphiregulin, EGF receptor, IGF-1, CSF-1, IL-1 alpha, IL-1 beta, IL-1 receptor type 1, IL-1 receptor antagonist, LIF, COX-1, COX-2, Mucin-1, calcitonin, and rat USAG-1 mouse homologue, all of which are involved in the process of conceptus implantation to the endometrium, were examined during the estrous cycle by means of real-time quantitative PCR. COX-2, HB-EGF, LIF, Mucin-1, CSF-1, IL-1 alpha, IL-1 beta, and IL-1 receptor antagonist were temporally regulated during the estrous cycle and highly expressed during the estrous stage. In the case of COX-1, EGF, IGF-1, and EGF receptor, the highest mRNA expression was during the diestrous stage. In contrast, the rat USAG-1 mouse homologue mRNA expression did not...
Palavras-chave: Estrous cycle; Implantation; Mice; Ovarian hormone.
Ano: 2005 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3022
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