{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,7,18]],"date-time":"2024-07-18T00:48:42Z","timestamp":1721263722980},"reference-count":19,"publisher":"FapUNIFESP (SciELO)","issue":"2","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Braz. J. Biol."],"published-print":{"date-parts":[[2007,5]]},"abstract":"<jats:p>This study aimed to demonstrate the influence of the systemic administration of l-5-hydroxy-tryptophan (L-HTP) on the plasma levels of melatonin during the dark period in quails. Throughout daylight, the plasma levels of melatonin did not differ significantly, oscillating between 110.2 \u00b1 15.8 pg.mL-1 and 157.4 \u00b1 34.8 pg.mL-1, from 8 to 16 hours. L-HTP (25 mg.kg-1, through the intracelomic route) administered at 18 hours lessened significantly the nocturnal increase of the plasma levels of melatonin (controls, 327.3 \u00b1 20.1 and 315.8 \u00b1 20.9 pg.mL-1 vs. 242.1 \u00b1 24.8 and 217.5 \u00b1 21 pg.mL-1, respectively, at 20 and 24 hours, P &lt; 0.05). The results obtained showed that the administration of LHTP reduced the nocturnal melatonin release, possibly by bringing about an increase in serotonin synthesis and synaptic release in the pineal. Therefore, the serotoninergic transmission from the raphe towards the pineal would constitute a mechanism of modulation of the synthesis and melatonin release in quails.<\/jats:p>","DOI":"10.1590\/s1519-69842007000200025","type":"journal-article","created":{"date-parts":[[2007,9,28]],"date-time":"2007-09-28T05:00:28Z","timestamp":1190955628000},"page":"369-371","source":"Crossref","is-referenced-by-count":1,"title":["Nocturnal plasma levels of melatonin in quails (Coturnix japonica) injected with l-5-hydroxy-tryptophan"],"prefix":"10.1590","volume":"67","author":[{"given":"LC.","family":"Reis","sequence":"first","affiliation":[{"name":"Universidade Federal Rural do Rio de Janeiro,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"AC.","family":"Almeida","sequence":"additional","affiliation":[{"name":"Universidade Federal Rural do Rio de Janeiro,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"MC.","family":"Ribeiro","sequence":"additional","affiliation":[{"name":"Universidade Federal Rural do Rio de Janeiro,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"PA.","family":"Polo","sequence":"additional","affiliation":[{"name":"Universidade Federal Rural do Rio de Janeiro,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"EL.","family":"Olivares","sequence":"additional","affiliation":[{"name":"Universidade Federal Rural do Rio de Janeiro,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"MA.","family":"Medeiros","sequence":"additional","affiliation":[{"name":"Universidade Federal Rural do Rio de Janeiro,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"KO.","family":"Nonaka","sequence":"additional","affiliation":[{"name":"UFSCar,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"LR.","family":"Castilhos","sequence":"additional","affiliation":[{"name":"USP,  Brazil"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"530","reference":[{"key":"ref1","doi-asserted-by":"crossref","first-page":"251","DOI":"10.1113\/eph8802457","article-title":"Effect of brain serotoninergic stimulation on sodium appetite in euthyroid and hypothyroid rats","volume":"88","author":"BADAU\u00ca-PASSOS D. 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