Diessler, M.; Ventureira, M.; Hernandez, R.; Sobarzo, C.; Casas, L.; Barbeito, C.; Cebral, E."Differential expression and activity of matrix metalloproteinases 2 and 9 in canine early placenta" (2017) Reproduction in Domestic Animals. 52(1):35-43
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The zonary and endotheliochorial dog placenta is the most invasive placenta of carnivores. The importance of matrix metalloproteinases (MMP) in placenta invasiveness has been determined in several mammals including species with haemochorial, epitheliochorial and endotheliochorial placentation. Regarding the latter, the expression of MMP enzymes has been studied in the cat and the mature canine placenta. The aim of this study was to analyse the expression and activity of MMP-2 and MMP-9 in the early dog placenta. Placentae from 18 to 30 days of pregnancy were collected from four bitches. Two placentae from each bitch were analysed. Placental tissue from one uterine horn was fixed in formaldehyde for immunohistochemistry, while marginal haematoma, labyrinth, non-implantative and implantative endometrium from the contralateral horn were immediately frozen in dry ice for the analysis of MMP expression (Western blot [WB]) and activity (zymography). MMP-2 and MMP-9 were evidenced in the labyrinth, maternal glands and marginal haematoma; this finding was directly correlated with levels of MMP expression by WB, and with the activity of MMP-2, mainly in the haematoma (the area of major remodelling of tissues). Thus, although MMP-9 is well expressed in the early canine placenta, it is not active. Given the important role of MMPs for invasiveness, maternal–foetal angiogenesis and the establishment of a correct foetal nutrition, the results are consistent with the findings in other species in which the MMP-2 activation precedes the MMP-9 one in early placentation. © 2016 Blackwell Verlag GmbH


Documento: Artículo
Título:Differential expression and activity of matrix metalloproteinases 2 and 9 in canine early placenta
Autor:Diessler, M.; Ventureira, M.; Hernandez, R.; Sobarzo, C.; Casas, L.; Barbeito, C.; Cebral, E.
Filiación:Laboratorio de Histología y Embriología Descriptiva, Experimental y Comparada (LHYEDEC), Facultad de Ciencias Veterinarias, Universidad Nacional de La Plata (UNLP), La Plata, Argentina
Laboratorio de Reproducción y Fisiopatología Materno-Embrionaria, Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), Universidad de Buenos Aires (UBA)- Comisión Nacional de Investigaciones Científicas (CONICET), Facultad de Ciencias Exactas y Naturales (FCEyN)-UBA, Buenos Aires, Argentina
Instituto de Investigaciones Biomédicas (INBIOMED)-UBA/CONICET, Facultad de Medicina, UBA, Buenos Aires, Argentina
Facultad de Medicina, Instituto de Investigaciones Biomédicas (INBIOMED)-UBA/CONICET, UBA, Buenos Aires, Argentina
Small Animal Private Practice, La Plata, Argentina
Palabras clave:gelatinase A; gelatinase B; animal; dog; endometrium; female; immunohistochemistry; metabolism; placenta; pregnancy; reproduction; Animals; Dogs; Endometrium; Female; Immunohistochemistry; Matrix Metalloproteinase 2; Matrix Metalloproteinase 9; Placenta; Placentation; Pregnancy
Página de inicio:35
Página de fin:43
Título revista:Reproduction in Domestic Animals
Título revista abreviado:Reprod. Domest. Anim.
CAS:gelatinase A, 146480-35-5; gelatinase B, 146480-36-6; Matrix Metalloproteinase 2; Matrix Metalloproteinase 9


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---------- APA ----------
Diessler, M., Ventureira, M., Hernandez, R., Sobarzo, C., Casas, L., Barbeito, C. & Cebral, E. (2017) . Differential expression and activity of matrix metalloproteinases 2 and 9 in canine early placenta. Reproduction in Domestic Animals, 52(1), 35-43.
---------- CHICAGO ----------
Diessler, M., Ventureira, M., Hernandez, R., Sobarzo, C., Casas, L., Barbeito, C., et al. "Differential expression and activity of matrix metalloproteinases 2 and 9 in canine early placenta" . Reproduction in Domestic Animals 52, no. 1 (2017) : 35-43.
---------- MLA ----------
Diessler, M., Ventureira, M., Hernandez, R., Sobarzo, C., Casas, L., Barbeito, C., et al. "Differential expression and activity of matrix metalloproteinases 2 and 9 in canine early placenta" . Reproduction in Domestic Animals, vol. 52, no. 1, 2017, pp. 35-43.
---------- VANCOUVER ----------
Diessler, M., Ventureira, M., Hernandez, R., Sobarzo, C., Casas, L., Barbeito, C., et al. Differential expression and activity of matrix metalloproteinases 2 and 9 in canine early placenta. Reprod. Domest. Anim. 2017;52(1):35-43.