کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
4329393 | 1614213 | 2008 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Phox2b expression in the aldosterone-sensitive HSD2 neurons of the NTS
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کلمات کلیدی
Gad67paired-like homeobox 2BDMXHSD2PBelSalt ingestionmineralocorticoidPHOX2BCCHSPre-locus coeruleusVGLUT2NTSaldosterone - آلدوسترون Salt appetite - اشتها به نمکsodium appetite - اشتها سدیمfourth ventricle - بطن چهارمvesicular glutamate transporter 2 - حمل کننده گلوتامات vesicular 2Ingestive behavior - رفتار بدخواهarea postrema - طبقه آخرOndine's curse - لعنت اندینSalt intake - مصرف نمکnucleus tractus solitarius - هسته دستگاه انفرادیNucleus tractus solitarii - هسته دستگاه انفرادیnucleus of the solitary tract - هسته دستگاه انفرادیExternal lateral parabrachial nucleus - هسته پاراباژیال خارجی جانبیcentral canal - کانال مرکزی
موضوعات مرتبط
علوم زیستی و بیوفناوری
علم عصب شناسی
علوم اعصاب (عمومی)
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Phox2b expression in the aldosterone-sensitive HSD2 neurons of the NTS Phox2b expression in the aldosterone-sensitive HSD2 neurons of the NTS](/preview/png/4329393.png)
چکیده انگلیسی
The transcription factor Phox2b is necessary for the development of the nucleus of the solitary tract (NTS). In this brainstem nucleus, Phox2b is expressed exclusively within a subpopulation of glutamatergic neurons. The present experiments in the adult rat were designed to test whether this subpopulation includes the aldosterone-sensitive NTS neurons, which express the enzyme 11-β-hydroxysteroid dehydrogenase type 2 (HSD2). Nuclear Phox2b was found in virtually all the HSD2 neurons (95-99%, n = 6 cases). Unlike the activity-related transcription factor c-Fos, Phox2b expression in the HSD2 neurons was not influenced by dietary sodium deprivation. The ubiquitous expression of Phox2b by the HSD2 neurons suggests that they are developmentally related to other Phox2b-dependent neurons of the NTS and that they release the excitatory neurotransmitter glutamate. This finding also suggests that human Phox2b mutations, which cause the central congenital hypoventilation syndrome (CCHS, also known as Ondine's curse), may also produce deficits in central aldosterone signaling and appetitive or autonomic responses to sodium deficiency.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Brain Research - Volume 1226, 21 August 2008, Pages 82-88
Journal: Brain Research - Volume 1226, 21 August 2008, Pages 82-88
نویسندگان
Joel C. Geerling, Peter C. Chimenti, Arthur D. Loewy,