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1

Ultrastructural morphometric analysis of the cytotrophoblast in human placentae

100%
Kujawa M., Tedde G.
Folia Histochemica et Cytobiologica
|
1986
|
tom 24
|
nr 4
2

Stereological studies of mitochondria during the implantation of mouse blastocytes

100%
Cieciura L., Jaszczuk-Jarosz B., Pietrzykowska K.
Folia Histochemica et Cytobiologica
|
1986
|
tom 24
|
nr 3
3

Physiopathology of human embryonic implantation: clinical incidences

84%
Merviel P., Lourdel E., Cabry R., Boulard V., Brzakowski M., Demailly P., Brasseur F., Copin H., Devaux A.
Folia Histochemica et Cytobiologica
|
2009
|
tom 47
|
nr 5
4

Expression of interferon genes in trophoblast: its impact on pregnancy

84%
La Bonnardiere C., Lefevre F.
Biotechnologia
|
1996
|
nr 2
5

N-glycodiversity of the pregnancy-associated glycoprotein family (PAG) produced in vitro by trophoblast and trophectoderm explants during implantation, placentation and advanced pregnancy in the pig

67%
Szafranska B., Majewska M., Panasiewicz G.
Reproductive Biology
|
2004
|
tom 04
|
nr 1
6

Expression of glucocorticoid receptor and glucose transporter-1 during placental development in the diabetic rat

67%
Korgun E. T., Acar N., Sati L., Kipmen-Korgun D., Ozen A., Unek G., Ustunel I., Demir R.
Folia Histochemica et Cytobiologica
|
2011
|
tom 49
|
nr 2
7

Development and hormonal functions of the human placenta

67%
Guibourdenche J., Fournier T., Malassiné A., Evain-Brion D.
Folia Histochemica et Cytobiologica
|
2009
|
tom 47
|
nr 5
8

Villous trophoblast cell turnover in placentas from preterm pregnancy and pregnancy complicated by intrauterine growth restriction [IUGR]

67%
Zadrozna M., Nowak B., Marcinek A., Duc J.
Folia Biologica
|
2010
|
tom 58
|
nr 1-2
79-83
9

Assessment of S100 protein expression in the epididymis of juvenile and adult European bison

67%
Czykier E., Zabel M., Surdyk-Zasada J., Lebelt A., Klim B.
Folia Histochemica et Cytobiologica
|
2010
|
tom 48
|
nr 3
10
Content available remote

Leptin gene and protein expression in the trophoblast and uterine tissues during early pregnancy and the oestrous cycle of pigs

67%
Smolinska N., Siawrys G., Kaminski T., Przala J.
Journal of Physiology and Pharmacology
|
2007
|
tom 58
|
nr 3
Leptin is a 16-kDa protein hormone encoded by the obese (ob) gene and acts on receptors in the hypothalamus to regulate food intake and energy balance. The identification of leptin and its receptor mRNAs and proteins in human and mouse endometrium and placental trophoblast has attracted attention to the potential role of leptin in implantation. Thus, the aim of this study was to compare the expression levels of porcine leptin mRNA and protein in endometrium and myometrium during mid- and late-luteal phases of the oestrous cycle (days 10 - 12 and 14 - 16) as well as during two stages of pregnancy respondent to the beginning (days 14 - 16) and the end (days 30 - 32) of the implantation process, and in trophoblast during both periods of pregnancy. Leptin gene and protein expression in myometrium, and leptin mRNA expression in endometrium was more pronounced in the mid- and late-luteal phases of the cycle in comparison to studied periods of pregnancy, whereas leptin protein concentration in endometrium was either enhanced on days 30 - 32 of pregnancy in relation to days 14 - 16 of the cycle or there were no changes between pregnancy and luteal phase of the cycle. On days 30 - 32 of pregnancy, expression of the leptin gene in the endometrium, and of the leptin gene and protein in the myometrium was more pronounced in comparison to the earlier stage of pregnancy. Moreover, leptin gene expression in porcine trophoblast increased during the beginning of the implantation process compared to days 30 - 32 of pregnancy, while the protein concentration decreased on days 14 - 16 of pregnancy. In conclusion, the finding of leptin gene and protein expression in porcine endometrium, myometrium and trophoblast indicates that locally synthesised leptin can participate in the control of pig reproduction. The fluctuation of the hormone concentration during pregnancy and changes in its level between pregnancy and the oestrous cycle may indicate leptin's involvement in the implantation process.
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