REVIEW PAPER
The role of cytokines and adhesion molecules in maternal recognition and establishment of pregnancy in pig
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Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-747 Olsztyn, Tuwima 10, Poland
 
 
Publication date: 2005-10-17
 
 
Corresponding author
A. Zięcik   

Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10-747 Olsztyn, Tuwima 10, Poland
 
 
J. Anim. Feed Sci. 2005;14(4):581-594
 
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ABSTRACT
Oestrogen synthesis and release by day 11 conceptus is known as the main signal for the maternal recognition of pregnancy in the pig. The maternal recognition and subsequent establishment of pregnancy require a complex network of interactions between embryo and uterus. Both embryo and uterus secrete various signaling molecules, all of which are necessary for the initiation of the foetomaternal relationship. Many of the events during peri-implantation period have an inflammatory character, therefore are accompanied by increased amounts of cytokines. Porcine conceptus expression of interleukins and other cytokines have been reported. Pregnancy-specific endometrial expression of leukaemia inhibitory factor (LIF) is initiated during the conceptus elongation and can affect conceptus development. Moreover, enormous antiviral activity, coordinated with increased interferons secretion, has been detected at the time of blastocyst implantation in pig. This prolonged pre-receptive period is followed by implantation which results in conceptus attachment to the uterine epithelium. Adhesion to the uterine epithelium is controled mainly by integrins but also other adhesion molecules such as Muc1, Muc 4 or osteoponin, have been implicated in the porcine implantation cascade. Since there is increasing amount of evidence that cytokines and adhesion molecules are crucial for interactions between conceptus and uterus, we decided to present the discussion on their role in recognition and establishment of pregnancy in the pig. This review may help to understand better mechanisms occurring in the peri-implantation period in pigs.
 
CITATIONS (7):
1.
Quantitative expression of lysophosphatidic acid receptor 3 gene in porcine endometrium during the periimplantation period and estrous cycle
Katarzyna Kamińska, Marta Wasielak, Iwona Bogacka, Michał Blitek, Marek Bogacki
Prostaglandins & Other Lipid Mediators
 
2.
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3.
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Lori C. Albergotti, Louis J. Guillette Jr.
 
4.
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Iwona Bogacka, Marek Bogacki, Dorota Boruszewska, Marta Wasielak
Reproductive Biology
 
5.
Local and Systemic Effects of Embryos on Uterine Tissues During Early Pregnancy in Pigs
Anita FRANCZAK, Marek BOGACKI
Journal of Reproduction and Development
 
6.
The effect of embryo presence on the expression of peroxisome proliferator activated receptor (PPAR) genes in the porcine reproductive system during periimplantation
Iwona Bogacka, Marek Bogacki, Marta Wasielak
Acta Veterinaria Hungarica
 
7.
Mechanism Underlying the Regulation of Mucin Secretion in the Uterus during Pregnancy
Mengru Zhou, Tian Tian, Chenchen Wu
International Journal of Molecular Sciences
 
ISSN:1230-1388
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