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Doctoral Thesis
DOI
10.11606/T.42.2010.tde-25032010-145721
Document
Author
Full name
Miriam Rubio Faria
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2010
Supervisor
Committee
Bevilacqua, Estela Maris Andrade Forell (President)
Abrahamsohn, Paulo Alexandre
Gagioti, Sonia Maria
Oliveira, Sergio Ferreira de
Peraçoli, Maria Therezinha Serrão
Title in Portuguese
Expressão tecido específica do fator de inibição de migração de macrófagos (Mif) na interface materno fetal em camundongos
Keywords in Portuguese
Citocinas
Endométrio
Gravidez
Placenta
Trofoblasto
Abstract in Portuguese
Neste estudo caracterizamos a expressão de Mif nas células trofoblásticas (CT), placentárias e decidua (D) na gestação em camundongos.A imunolocalização foi realizada nos dias de gestação(dg) 7,5, 10,5, 13,5 e 17,5.Com cones ectoplacentários e placentas fetais (PL) realizou-se ensaios de Western blotting e qRT-PCR nos mesmos dg.D foram submetidas a qPCR.Aos 7,5 dg as CT gigantes e D apresentaram imunomarcação.Dos 10,5 ao 17,5 dg o Mif concentrou-se nas CTG e no espongiotrofoblasto.Na D, a imunomarcação foi menor que aos 7,5 dg.A expressão protéica na PL aumentou do 7,5 dg para o 10,5 dg (p=0,005) e para o 13,5 dg (p=0.03).A maior expressão gênica foi em 10,5 dg e diferente em 13,5 dg (p=0,048) e 17,5 dg (p=0,009).Na D, a maior expressão gênica foi em 7,5 dg e diferente dos 10,5 (0,012) e 13,5 (0,032) dg.O aumento da expressão de Mif na PL coincide com a organização em quatro camadas e com o início da circulação fetal.Esta distribuição temporal e tecido-específica sugere o MIF como modulador no início da placentação ou na sua adaptação ao ambiente uterino
Title in English
Tissue specific expression of macrophage migration inhibitory factor (Mif) at the mouse maternal fetal interface
Keywords in English
Cytokines
Endometrium
Placenta
Pregnancy
Trophoblast
Abstract in English
The goal of this study was to characterize Mif expression by trophoblast (TC),fetal placenta (FP) and decidua (D) during mouse pregnancy.Mif was immunolocalized at TC and D on gestation days (gd) 7.5, 10.5, 13.5 and 17.5.Ectoplacental cones (EC) and FP were used for Western blotting and qPCR.D were also used for qRT-PCR.On gd 7.5,DC and TC giant (TGC) showed strong reactivity.On gds 10.517.5,were concentrated in TGC and spongiotrophoblast cells. D reactivity was weaker than 7.5 gd.Protein expression at FP increased from gd 7.5 to 10.5 (p=0.005) and to 13.5 (p=0.03).Higher mRNA expression was found on gd 10.5 and was different from gds 13.5 (p=0.048) and 17.5 (p=0.009).At D on gd 7.5 was greater than those on gds 10.5 (0,012) and 13.5 (0,032).The up-regulation of Mif coincides with the stage that placenta assumes its four-layered organization and the fetal blood circulation begins,This temporal tissue-specific distribution and expression data suggests that Mif may play a modulator role in the onset of placentation or in it adaptation to the uterine environment
 
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Publishing Date
2010-03-29
 
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