2015
DOI: 10.1016/j.neuroscience.2014.09.076
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Modulation of the activity of vasopressinergic neurons by estrogen in rats refed with normal or sodium-free food after fasting

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Cited by 3 publications
(9 citation statements)
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“…An increase in c-Fos-immunoreactivity in SON vasopressin neurones in response to re-feeding after food restriction was previously noted (11). However, this is likely due to an osmotic stimulus (42). We have shown that plasma osmolarity and plasma sodium concentrations do not change with SCM gavage.…”
Section: Discussionsupporting
confidence: 59%
“…An increase in c-Fos-immunoreactivity in SON vasopressin neurones in response to re-feeding after food restriction was previously noted (11). However, this is likely due to an osmotic stimulus (42). We have shown that plasma osmolarity and plasma sodium concentrations do not change with SCM gavage.…”
Section: Discussionsupporting
confidence: 59%
“…The animals were kept since their birth under conditions of stable temperature and humidity, 12 h light/dark cycles and food and water provided ad libitum (Animal Facility of the Institute of Physiology, Czech Academy of Sciences). We employed a previously reported protocol to challenge the peptide producing system of the SON, refeeding with standard chow for 2 h after 2 days of fasting (Figure 1A), which increases the activity of AVP neurons (Lucio-Oliveira et al, 2015). Experiments were performed in 30- to 32-day-old Wistar rats.…”
Section: Methodsmentioning
confidence: 99%
“…Two experimental conditions that have been widely used to stimulate the synthesis and release of these peptides are lactation for OT (de Kock et al, 2004; Panatier and Oliet, 2006) and water deprivation or refeeding after fasting for AVP (Carreno et al, 2011; Gottlieb et al, 2011; Yao et al, 2012; Yoshimura et al, 2013; Lucio-Oliveira et al, 2015). Refeeding after fasting represents a complex stimulation to hormone secretion involving the volume/baroreceptors and peripheral/central osmoreceptors (Burlet et al, 1992) that may involve neurotransmitter signaling at different levels.…”
Section: Introductionmentioning
confidence: 99%
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“…After surgery, all rats were treated with a prophylactic dose of pentabiotic (0.1 ml/rat, Fort Dodge, Campinas, Brazil) and analgesic flunixin meglumine (2.5 mg/kg i.m., Banamine V R , Schering-Plough, Rio de Janeiro, Brazil). 16 Fourteen days after surgery, the animals were distributed in six groups as follows and treated orally for 21 days: group 1: 0.1 ml propylene glycol þ 0.1 ml hydroalcoholic solution; group 2: 50 mg/kg estradiol benzoate; group 3: 0.75 mg/kg raloxifene; group 4: 80 mg/kg C. esculenta FG; group 5: 50 mg/kg estradiol þ 0.75 mg/kg raloxifene, and group 6: 0.75 mg/kg raloxifene þ 80 mg/kg C. esculenta FG.…”
Section: Experiments With Extract Fractions From Three Plant Species Amentioning
confidence: 99%