{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,29]],"date-time":"2026-06-29T11:49:22Z","timestamp":1782733762054,"version":"3.54.5"},"reference-count":36,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[2008,2,1]],"date-time":"2008-02-01T00:00:00Z","timestamp":1201824000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["General and Comparative Endocrinology"],"published-print":{"date-parts":[[2008,2]]},"DOI":"10.1016\/j.ygcen.2007.08.007","type":"journal-article","created":{"date-parts":[[2007,8,27]],"date-time":"2007-08-27T14:57:05Z","timestamp":1188226625000},"page":"503-510","source":"Crossref","is-referenced-by-count":115,"title":["Analysis of steroids in songbird plasma and brain by coupling solid phase extraction to radioimmunoassay"],"prefix":"10.1016","volume":"155","author":[{"given":"A.E.M.","family":"Newman","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"E.H.","family":"Chin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.L.","family":"Schmidt","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"L.","family":"Bond","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.E.","family":"Wynne-Edwards","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"K.K.","family":"Soma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.ygcen.2007.08.007_bib1","doi-asserted-by":"crossref","first-page":"1253","DOI":"10.1095\/biolreprod63.5.1253","article-title":"Periovulatory changes in the local release of vasoactive peptides, prostaglandin F2\u03b1, and steroid hormones from bovine mature follicles in vivo","volume":"63","author":"Acosta","year":"2000","journal-title":"Biol. Reprod."},{"key":"10.1016\/j.ygcen.2007.08.007_bib2","first-page":"1","article-title":"Neurosteroids of the nervous system, by the nervous system, for the nervous system","volume":"53","author":"Baulieu","year":"1997","journal-title":"Recent Prog. Horm. Res."},{"key":"10.1016\/j.ygcen.2007.08.007_bib3","series-title":"An Introduction to Radioimmunoassay and Related Techniques","author":"Chard","year":"1995"},{"key":"10.1016\/j.ygcen.2007.08.007_bib4","doi-asserted-by":"crossref","unstructured":"Demas, G.E., Cooper, M.A., Albers, H.E., Soma, K.K., 2007. Novel mechanisms underlying neuroendocrine regulation of aggression: a synthesis of rodent, avian and primate studies. In: Blaustein, J.D. (Ed.), Behavioral Neurochemistry and Neuroendocrinology. Handbook of Neurochemistry and Molecular Neurobiology, vol.21, Springer, pp. 337\u2013372.","DOI":"10.1007\/978-0-387-30405-2_8"},{"key":"10.1016\/j.ygcen.2007.08.007_bib5","doi-asserted-by":"crossref","first-page":"1146","DOI":"10.1093\/clinchem\/41.8.1146","article-title":"Assay of plasma testosterone during the first six months of life: importance of chromatographic purification of steroids","volume":"41","author":"Fuqua","year":"1995","journal-title":"Clin Chem."},{"key":"10.1016\/j.ygcen.2007.08.007_bib6","first-page":"1719","article-title":"Neural responses to aggressive challenge correlate with behavior in nonbreeding sparrows","volume":"16","author":"Goodson","year":"2005","journal-title":"Neuro. Report"},{"key":"10.1016\/j.ygcen.2007.08.007_bib7","doi-asserted-by":"crossref","first-page":"461","DOI":"10.1016\/j.yhbeh.2005.04.005","article-title":"Recent advances in behavioral neuroendocrinology: insights from studies on birds","volume":"48","author":"Goodson","year":"2005","journal-title":"Horm. Behav."},{"key":"10.1016\/j.ygcen.2007.08.007_bib8","doi-asserted-by":"crossref","first-page":"567","DOI":"10.1016\/S0306-4530(99)00013-X","article-title":"Assessing dehydroepiandrosterone in saliva: a simple radioimmunoassay for use in studies of children, adolescents and adults","volume":"24","author":"Granger","year":"1999","journal-title":"Psychoneuroendocrinology"},{"key":"10.1016\/j.ygcen.2007.08.007_bib9","doi-asserted-by":"crossref","first-page":"865","DOI":"10.1073\/pnas.2630225100","article-title":"Adult male rat hippocampus synthesizes estradiol from pregnenolone by cytochromes P45017\u03b1 and P450 aromatase localized in neurons","volume":"101","author":"Hojo","year":"2004","journal-title":"Proc. Natl. Acad. Sci."},{"key":"10.1016\/j.ygcen.2007.08.007_bib10","doi-asserted-by":"crossref","first-page":"280","DOI":"10.1093\/clinchem\/27.2.280","article-title":"Effect of serum lipids on radioimmunoassays of unconjugated estriol in serum","volume":"27","author":"Jawad","year":"1981","journal-title":"Clin. Chem."},{"key":"10.1016\/j.ygcen.2007.08.007_bib11","doi-asserted-by":"crossref","first-page":"229","DOI":"10.1016\/S0009-9120(98)00025-3","article-title":"Interference of 6\u03b2-Hydroxycortisol in the quantification of urinary free cortisol by immunoassay and its elimination by solid phase extraction","volume":"31","author":"Lee","year":"1998","journal-title":"Clin. Biochem."},{"key":"10.1016\/j.ygcen.2007.08.007_bib12","doi-asserted-by":"crossref","first-page":"2287","DOI":"10.1194\/jlr.M400244-JLR200","article-title":"Novel lipoidal derivatives of pregnenolone and dehydroepiandrosterone and absence of their sulfated counterparts in rodent brain","volume":"45","author":"Liere","year":"2004","journal-title":"J. Lipid Res."},{"key":"10.1016\/j.ygcen.2007.08.007_bib13","doi-asserted-by":"crossref","first-page":"751","DOI":"10.1086\/497440","article-title":"Stress hormones: a link between maternal condition and sex-biased reproductive investment","volume":"166","author":"Love","year":"2005","journal-title":"Am. Nat."},{"key":"10.1016\/j.ygcen.2007.08.007_bib14","doi-asserted-by":"crossref","first-page":"400","DOI":"10.1111\/j.1749-6632.1998.tb10812.x","article-title":"Biosynthesis of neuroandrogens in the frog brain","volume":"839","author":"Mensah-Nyagan","year":"1998","journal-title":"Ann. NY Acad. Sci."},{"key":"10.1016\/j.ygcen.2007.08.007_bib15","doi-asserted-by":"crossref","first-page":"243","DOI":"10.1016\/S0306-4522(01)00471-7","article-title":"Dehydroepiandrosterone and its sulphate enhance memory retention in day-old chicks","volume":"109","author":"Migues","year":"2002","journal-title":"Neuroscience"},{"key":"10.1016\/j.ygcen.2007.08.007_bib16","unstructured":"Newman, A.E.M., Soma, K.K., 2006. Neural secretion of DHEA and corticosterone during acute stress? Abstr. Soc. Neurosci. Program No. 269.16."},{"key":"10.1016\/j.ygcen.2007.08.007_bib17","doi-asserted-by":"crossref","first-page":"77","DOI":"10.1042\/bj1060077","article-title":"The determination of oestradiol and oestrone in the plasma of the domestic fowl by a method involving the use of labeled derivatives","volume":"106","author":"O\u2019Grady","year":"1968","journal-title":"Biochem. J."},{"key":"10.1016\/j.ygcen.2007.08.007_bib18","doi-asserted-by":"crossref","first-page":"84","DOI":"10.1093\/clinchem\/26.1.84","article-title":"Lipid interference in steroid radioimmunoassay","volume":"26","author":"Rash","year":"1980","journal-title":"Clin. Chem."},{"key":"10.1016\/j.ygcen.2007.08.007_bib19","doi-asserted-by":"crossref","first-page":"58","DOI":"10.1016\/j.ygcen.2006.05.004","article-title":"Corticosterone responses change seasonally in free-living house sparrows (Passer domesticus)","volume":"149","author":"Romero","year":"2006","journal-title":"Gen. Comp. Endocrinol."},{"key":"10.1016\/j.ygcen.2007.08.007_bib20","doi-asserted-by":"crossref","first-page":"471","DOI":"10.1016\/S0021-9258(17)30907-9","article-title":"Metabolism of steroids by tissues. I. Determination of testosterone and related steroids in tissue extracts","volume":"168","author":"Samuels","year":"1949","journal-title":"J. Biol. Chem."},{"key":"10.1016\/j.ygcen.2007.08.007_bib21","doi-asserted-by":"crossref","first-page":"11446","DOI":"10.1073\/pnas.90.24.11446","article-title":"Yolk is a source of maternal testosterone for developing birds","volume":"90","author":"Schwabl","year":"1995","journal-title":"Proc. Natl. Acad. Sci. USA"},{"key":"10.1016\/j.ygcen.2007.08.007_bib22","doi-asserted-by":"crossref","first-page":"137","DOI":"10.1006\/hbeh.2000.1614","article-title":"Assessing estradiol in biobehavioral studies using saliva and blood spots: simple radioimmunoassay protocols, reliability, and comparative validity","volume":"38","author":"Shirtcliff","year":"2000","journal-title":"Horm. Behav."},{"key":"10.1016\/j.ygcen.2007.08.007_bib23","doi-asserted-by":"crossref","first-page":"543","DOI":"10.1111\/j.1365-2826.2006.01440.x","article-title":"Testosterone and aggression: Berthold, birds and beyond","volume":"18","author":"Soma","year":"2006","journal-title":"J. Neuroendocrinol."},{"key":"10.1016\/j.ygcen.2007.08.007_bib24","doi-asserted-by":"crossref","first-page":"1668","DOI":"10.1210\/en.2003-0883","article-title":"Dehydroepiandrosterone metabolism by 3\u03b2-hydroxysteroid dehydrogenase\/\u03945\u2013\u03944 isomerase in adult zebra finch brain: sex difference and rapid effect of stress","volume":"145","author":"Soma","year":"2004","journal-title":"Endocrinology"},{"key":"10.1016\/j.ygcen.2007.08.007_bib25","doi-asserted-by":"crossref","first-page":"4386","DOI":"10.1210\/en.2005-0569","article-title":"Neurosteroids and female reproduction: estrogen increases 3\u03b2-HSD mRNA and activity in rat hypothalamus","volume":"146","author":"Soma","year":"2005","journal-title":"Endocrinology"},{"key":"10.1016\/j.ygcen.2007.08.007_bib26","doi-asserted-by":"crossref","first-page":"442","DOI":"10.1006\/gcen.1999.7334","article-title":"Combined aromatase inhibitor and antiandrogen treatment decreases territorial aggression in a wild songbird during the nonbreeding season","volume":"115","author":"Soma","year":"1999","journal-title":"Gen. Comp. Endocrinol."},{"key":"10.1016\/j.ygcen.2007.08.007_bib27","doi-asserted-by":"crossref","first-page":"144","DOI":"10.1006\/gcen.2001.7657","article-title":"Dehydroepiandrosterone in songbird plasma: seasonal regulation and relationship to territorial aggression","volume":"123","author":"Soma","year":"2001","journal-title":"Gen. Comp. Endocrinol."},{"key":"10.1016\/j.ygcen.2007.08.007_bib28","doi-asserted-by":"crossref","first-page":"283","DOI":"10.1007\/s11745-999-0365-9","article-title":"Fatty acid composition of the adipose tissue and yolk lipids of a bird with a marine-based diet, the emperor penquin (Aptenodytes fosteri)","volume":"34","author":"Speake","year":"1999","journal-title":"Lipids"},{"key":"10.1016\/j.ygcen.2007.08.007_bib29","series-title":"Forensic and Clinical Applications of Solid Phase Extraction","author":"Telepchak","year":"2004"},{"key":"10.1016\/j.ygcen.2007.08.007_bib30","series-title":"Solid-Phase Extraction: Principles and Practice","author":"Thurman","year":"1998"},{"key":"10.1016\/j.ygcen.2007.08.007_bib31","doi-asserted-by":"crossref","first-page":"1","DOI":"10.1016\/0006-8993(95)00116-8","article-title":"Avian neurosteroids. I. Pregnenolone biosynthesis in the quail brain","volume":"678","author":"Tsutsui","year":"1995","journal-title":"Brain Res."},{"key":"10.1016\/j.ygcen.2007.08.007_bib32","doi-asserted-by":"crossref","first-page":"153","DOI":"10.1006\/abio.2000.4841","article-title":"Quantification of neurosteroids in rat plasma and brain following swim stress and allopregnanolone administration using negative chemical ionization gas chromatography\/mass spectrometry","volume":"287","author":"Vallee","year":"2000","journal-title":"Anal. Biochem."},{"key":"10.1016\/j.ygcen.2007.08.007_bib33","doi-asserted-by":"crossref","first-page":"558","DOI":"10.1650\/0010-5422(2002)104[0558:UACART]2.0.CO;2","article-title":"Using a commercially available radioimmunoassay to quantify corticosterone in avian plasma","volume":"104","author":"Washburn","year":"2002","journal-title":"The Condor"},{"key":"10.1016\/j.ygcen.2007.08.007_bib34","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1098\/rspb.2004.2935","article-title":"Laying-sequence-specific variation in yolk oestrogen levels, and relationship to plasma oestrogen in female zebra finches (Taeniopygia guttata)","volume":"272","author":"Williams","year":"2005","journal-title":"Proc. Biol. Sci."},{"key":"10.1016\/j.ygcen.2007.08.007_bib35","doi-asserted-by":"crossref","first-page":"311","DOI":"10.1016\/0039-128X(75)90077-X","article-title":"The determination of five steroids in avian plasma by radioimmunoassay and competitive protein-binding","volume":"26","author":"Wingfield","year":"1975","journal-title":"Steroids"},{"key":"10.1016\/j.ygcen.2007.08.007_bib36","doi-asserted-by":"crossref","first-page":"159","DOI":"10.1002\/ajp.20175","article-title":"Fecal steroid research in the field and laboratory: improved methods for storage, transport, processing, and analysis","volume":"67","author":"Ziegler","year":"2005","journal-title":"Am. J. Primatol."}],"container-title":["General and Comparative Endocrinology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S001664800700305X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S001664800700305X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2021,8,22]],"date-time":"2021-08-22T11:28:04Z","timestamp":1629631684000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S001664800700305X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2008,2]]},"references-count":36,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2008,2]]}},"alternative-id":["S001664800700305X"],"URL":"https:\/\/doi.org\/10.1016\/j.ygcen.2007.08.007","relation":{},"ISSN":["0016-6480"],"issn-type":[{"value":"0016-6480","type":"print"}],"subject":[],"published":{"date-parts":[[2008,2]]}}}