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dc.contributor.authorKnoll, John Gabriel
dc.contributor.authorClay, Colin M.
dc.contributor.authorBouma, Gerrit J.
dc.contributor.authorHenion, Timothy R.
dc.contributor.authorSchwarting, Gerald A.
dc.contributor.authorMillar, Robert P.
dc.contributor.authorTobet, Stuart A.
dc.date2022-08-11T08:10:52.000
dc.date.accessioned2022-08-23T17:23:16Z
dc.date.available2022-08-23T17:23:16Z
dc.date.issued2013-10-11
dc.date.submitted2014-06-10
dc.identifier.citation<p>Knoll JG, Clay CM, Bouma GJ, Henion TR, Schwarting GA, Millar RP, Tobet SA. Developmental profile and sexually dimorphic expression of kiss1 and kiss1r in the fetal mouse brain. Front Endocrinol (Lausanne). 2013 Oct 11;4:140. doi:10.3389/fendo.2013.00140. <a href="http://dx.doi.org/10.3389/fendo.2013.00140">Link to article on publisher's site</a></p>
dc.identifier.issn1664-2392 (Linking)
dc.identifier.doi10.3389/fendo.2013.00140
dc.identifier.pmid24130552
dc.identifier.urihttp://hdl.handle.net/20.500.14038/48920
dc.description.abstractThe hypothalamic-pituitary-gonadal axis (HPG) is a complex neuroendocrine circuit involving multiple levels of regulation. Kisspeptin neurons play essential roles in controlling the HPG axis from the perspectives of puberty onset, oscillations of gonadotropin releasing hormone (GnRH) neuron activity, and the pre-ovulatory LH surge. The current studies focus on the expression of kisspeptin during murine fetal development using in situ hybridization (ISH), quantitative reverse transcription real-time PCR (QPCR), and immunocytochemistry. Expression of mRNA coding for kisspeptin (KISS1) and its receptor KISS1R was observed at embryonic (E) day 13 by ISH. At E13 and other later ages examined, Kiss1 signal in individual cells within the arcuate nucleus (ARC) appeared stronger in females than males. ISH examination of agonadal steroidogenic factor-1 (Sf1) knockout mice revealed that E17 XY knockouts (KO) resembled wild-type (WT) XX females. These findings raise the possibility that gonadal hormones modulate the expression of Kiss1 in the ARC prior to birth. The sex and genotype differences were tested quantitatively by QPCR experiments in dissected hypothalami from mice at E17 and adulthood. Females had significantly more Kiss1 than males at both ages, even though the number of cells detected by ISH was similar. In addition, QPCR revealed a significant difference in the amount of Kiss1 mRNA in Sf1 mice with WT XY mice expressing less than XY KO and XX mice of both genotypes. The detection of immunoreactive KISS1 in perikarya of the ARC at E17 indicates that early mRNA is translated to peptide. The functional significance of this early expression of Kiss1 awaits elucidation.
dc.language.isoen_US
dc.relation<p><a href="http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?db=pubmed&cmd=Retrieve&list_uids=24130552&dopt=Abstract">Link to Article in PubMed</a></p>
dc.rightsCopyright 2013 Knoll, Clay, Bouma, Henion, Schwarting, Millar and Tobet. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/
dc.subjectkisspeptin
dc.subjectKISS1R
dc.subjectarcuate nucleus
dc.subjectRP3V
dc.subjectCell Biology
dc.subjectDevelopmental Biology
dc.subjectEndocrinology
dc.titleDevelopmental profile and sexually dimorphic expression of kiss1 and kiss1r in the fetal mouse brain
dc.typeJournal Article
dc.source.journaltitleFrontiers in endocrinology
dc.source.volume4
dc.identifier.legacyfulltexthttps://escholarship.umassmed.edu/cgi/viewcontent.cgi?article=1017&amp;context=schwarting&amp;unstamped=1
dc.identifier.legacycoverpagehttps://escholarship.umassmed.edu/schwarting/16
dc.identifier.contextkey5676446
refterms.dateFOA2022-08-23T17:23:16Z
html.description.abstract<p>The hypothalamic-pituitary-gonadal axis (HPG) is a complex neuroendocrine circuit involving multiple levels of regulation. Kisspeptin neurons play essential roles in controlling the HPG axis from the perspectives of puberty onset, oscillations of gonadotropin releasing hormone (GnRH) neuron activity, and the pre-ovulatory LH surge. The current studies focus on the expression of kisspeptin during murine fetal development using in situ hybridization (ISH), quantitative reverse transcription real-time PCR (QPCR), and immunocytochemistry. Expression of mRNA coding for kisspeptin (KISS1) and its receptor KISS1R was observed at embryonic (E) day 13 by ISH. At E13 and other later ages examined, Kiss1 signal in individual cells within the arcuate nucleus (ARC) appeared stronger in females than males. ISH examination of agonadal steroidogenic factor-1 (Sf1) knockout mice revealed that E17 XY knockouts (KO) resembled wild-type (WT) XX females. These findings raise the possibility that gonadal hormones modulate the expression of Kiss1 in the ARC prior to birth. The sex and genotype differences were tested quantitatively by QPCR experiments in dissected hypothalami from mice at E17 and adulthood. Females had significantly more Kiss1 than males at both ages, even though the number of cells detected by ISH was similar. In addition, QPCR revealed a significant difference in the amount of Kiss1 mRNA in Sf1 mice with WT XY mice expressing less than XY KO and XX mice of both genotypes. The detection of immunoreactive KISS1 in perikarya of the ARC at E17 indicates that early mRNA is translated to peptide. The functional significance of this early expression of Kiss1 awaits elucidation.</p>
dc.identifier.submissionpathschwarting/16
dc.contributor.departmentDepartment of Cell and Developmental Biology
dc.source.pages140


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Copyright 2013 Knoll, Clay, Bouma, Henion, Schwarting, Millar and Tobet. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
Except where otherwise noted, this item's license is described as Copyright 2013 Knoll, Clay, Bouma, Henion, Schwarting, Millar and Tobet. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.