2011
DOI: 10.1590/s0100-736x2011000600014
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Análise proliferativa nas células trofoblásticas em bovinos

Abstract: 538Pesq. Vet. Bras. 31(6):538-542, junho 2011 RESUMO.-Este estudo teve como objetivo analisar atividade proliferativa das células trofoblásticas, através da quantificação de AgNORs, em diferentes regiões da placenta bovina ao longo da gestação. Foram utilizados 28 úteros, sendo estes agrupados de acordo com as idades gestacionais: grupo I (60-120 dias); II (121-170 dias); III (171-220 dias) e IV (221-290 dias). Foi encontrado um nú-mero significativamente maior de AgNORs nas células trofoblásticas gigantes … Show more

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Cited by 2 publications
(2 citation statements)
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“…The adaptive mechanism of the ruminal mucosa is related to physical stimulation caused by food ingestion (QUIGLEY, 1996;BITTAR et al, 2009), the amount of SCFAs produced, and the necessity for efficiently high blood flow to support the gastric absorptive function induced by trophic agents, hormones, and increased proliferative activity in the ruminal papillae (FURLAN et al, 2011). AgNOR is considered a reliable tool to assess the doubling speed of cells (RICI et al, 2011;MANÇANARES et al, 2012). Although, we reported morphological differences in papillae height, we did not find significant proliferation variation in the epithelial cells of the ruminal mucosae regardless of the type of diet and/or replacement provided.…”
Section: Miranda Et Almentioning
confidence: 99%
“…The adaptive mechanism of the ruminal mucosa is related to physical stimulation caused by food ingestion (QUIGLEY, 1996;BITTAR et al, 2009), the amount of SCFAs produced, and the necessity for efficiently high blood flow to support the gastric absorptive function induced by trophic agents, hormones, and increased proliferative activity in the ruminal papillae (FURLAN et al, 2011). AgNOR is considered a reliable tool to assess the doubling speed of cells (RICI et al, 2011;MANÇANARES et al, 2012). Although, we reported morphological differences in papillae height, we did not find significant proliferation variation in the epithelial cells of the ruminal mucosae regardless of the type of diet and/or replacement provided.…”
Section: Miranda Et Almentioning
confidence: 99%
“…As células trofoblásticas da região inter-placentomal, apresentam maior número de AgNORs, sugerindo uma maior atividade proliferativa dessas células no final da prenhez (Rici et al 2011).…”
Section: Discussionunclassified