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Immunohistochemical Localization of AT1a, AT1b, and AT2 Angiotensin II Receptor Subtypes in the Rat Adrenal, Pituitary, and Brain with a Perspective Commentary
المؤلفون المشاركون
Premer, Courtney
Brownfield, Mark S.
Mitzey, Ann
Lamondin, Courtney
Speth, Robert C.
المصدر
International Journal of Hypertension
العدد
المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-22، 22ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2013-03-19
دولة النشر
مصر
عدد الصفحات
22
التخصصات الرئيسية
الملخص EN
Angiotensin II increases blood pressure and stimulates thirst and sodium appetite in the brain.
It also stimulates secretion of aldosterone from the adrenal zona glomerulosa and epinephrine from the adrenal medulla.
The rat has 3 subtypes of angiotensin II receptors: AT1a, AT1b, and AT2.
mRNAs for all three subtypes occur in the adrenal and brain.
To immunohistochemically differentiate these receptor subtypes, rabbits were immunized with C-terminal fragments of these subtypes to generate receptor subtype-specific antibodies.
Immunofluorescence revealed AT1a and AT2 receptors in adrenal zona glomerulosa and medulla.
AT1b immunofluorescence was present in the zona glomerulosa, but not the medulla.
Ultrastructural immunogold labeling for the AT1a receptor in glomerulosa and medullary cells localized it to plasma membrane, endocytic vesicles, multivesicular bodies, and the nucleus.
AT1b and AT2, but not AT1a, immunofluorescence was observed in the anterior pituitary.
Stellate cells were AT1b positive while ovoid cells were AT2 positive.
In the brain, neurons were AT1a, AT1b, and AT2 positive, but glia was only AT1b positive.
Highest levels of AT1a, AT1b, and AT2 receptor immunofluorescence were in the subfornical organ, median eminence, area postrema, paraventricular nucleus, and solitary tract nucleus.
These studies complement those employing different techniques to characterize Ang II receptors.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Premer, Courtney& Lamondin, Courtney& Mitzey, Ann& Speth, Robert C.& Brownfield, Mark S.. 2013. Immunohistochemical Localization of AT1a, AT1b, and AT2 Angiotensin II Receptor Subtypes in the Rat Adrenal, Pituitary, and Brain with a Perspective Commentary. International Journal of Hypertension،Vol. 2013, no. 2013, pp.1-22.
https://search.emarefa.net/detail/BIM-451954
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Premer, Courtney…[et al.]. Immunohistochemical Localization of AT1a, AT1b, and AT2 Angiotensin II Receptor Subtypes in the Rat Adrenal, Pituitary, and Brain with a Perspective Commentary. International Journal of Hypertension No. 2013 (2013), pp.1-22.
https://search.emarefa.net/detail/BIM-451954
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Premer, Courtney& Lamondin, Courtney& Mitzey, Ann& Speth, Robert C.& Brownfield, Mark S.. Immunohistochemical Localization of AT1a, AT1b, and AT2 Angiotensin II Receptor Subtypes in the Rat Adrenal, Pituitary, and Brain with a Perspective Commentary. International Journal of Hypertension. 2013. Vol. 2013, no. 2013, pp.1-22.
https://search.emarefa.net/detail/BIM-451954
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-451954
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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