2010
DOI: 10.1016/j.theriogenology.2010.05.018
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Intrapulse temporality between pulses of a metabolite of prostaglandin F2α and circulating concentrations of progesterone before, during, and after spontaneous luteolysis in heifers

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Cited by 73 publications
(48 citation statements)
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“…of sVEGFR2. In contrast, on day 15 (expected PGF2α release; Ginther et al, 2010) the expression of VEGFR2 decreased with respect to the sVEGFR2 and at day 18 (CL in regression) the ratio VEGFR2/sVEGFR2 was reduced to only twofold. Based on previous results and on the results presented in this study, it is likely that the higher expression of VEGFR2 with respect to sVEGFR2 observed on days 4 and 6 may permit VEGF angiogenic effects to support CL formation.…”
Section: Discussionmentioning
confidence: 87%
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“…of sVEGFR2. In contrast, on day 15 (expected PGF2α release; Ginther et al, 2010) the expression of VEGFR2 decreased with respect to the sVEGFR2 and at day 18 (CL in regression) the ratio VEGFR2/sVEGFR2 was reduced to only twofold. Based on previous results and on the results presented in this study, it is likely that the higher expression of VEGFR2 with respect to sVEGFR2 observed on days 4 and 6 may permit VEGF angiogenic effects to support CL formation.…”
Section: Discussionmentioning
confidence: 87%
“…In the ovine CL, PGF2α produced an increase in total VEGF mRNA expression 4 and 8 h after its injection, however, 24 h after PGF2α injection the expression of VEGF was below that of CLs collected before treatment (Vonnahme et al, 2006). PGF2α is released by the endometrium from days 15 to 19 of the bovine oestrous cycle (Ginther et al, 2010). PGF2α caused a reduction in blood and oxygen flow to the CL (Nett et al, 1976).…”
Section: Discussionmentioning
confidence: 96%
“…The PRL pulses were more prominent during the last 12 h of luteolysis and the first 12 h of postluteolysis. Pulses of PGFM were more prominent during than before or after luteolysis (GINTHER et al, 2010c Bc not only depressed PRL but also was temporally associated with increased prominence of LH pulses, a delayed P4 decrease, and delayed completion of luteolysis without an effect on PGF2α secretion. Owing to both PRL decrease and an LH increase in the Bc-treated heifers, the effect of PRL on CL function could not be determined.…”
Section: Discussionmentioning
confidence: 85%
“…Essa secreção episódica tem sido demonstrada em bovinos pela maior proeminência de pulsos de PGFM durante a luteólise, se comparados com as fases pré e pós-luteólise (GINTHER et al, 2010c). Além disso, o tempo para a finalização da luteólise é, pelo menos em parte, dependente da proeminência da secreção de PGF2α (PUGLIESI et al, 2012a;SCHRAMM et al, 1983), representado pelas concentrações do metabólito de prostaglandina F2α (PGFM).…”
Section: Luteólise Em Bovinos E Equinosunclassified
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