Immunohistochemical localization of alpha and beta adrenergic receptors in the human nasal turbinate.

Immunohistochemical localization of alpha and beta adrenergic receptors in the human nasal turbinate.
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人鼻甲中α和β肾上腺素能受体的免疫组织化学定位。

DOI:
10.1016/j.anl.2015.12.002
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发表时间:
2016
期刊:
影响因子:
1.7
通讯作者:
Himi T.
Himi T.
中科院分区:
医学3区
文献类型:
--
作者:
Shirasaki H;Kanaizumi E;Himi T.

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目的肾上腺素能受体(α-1,α-2,β-1,β-2)广泛存在于不同的靶组织。α-AR激动剂常用于上呼吸道疾病的减充血治疗。为了明确AR亚型在上呼吸道中的作用,我们用免疫组织化学方法研究了AR亚型在上呼吸道的定位。方法对12例内科治疗无效的鼻塞患者行鼻甲切除术,取鼻甲。用抗人AR亚型特异性抗体(α1A-、β1D-、β2C-和α2-ARs)免疫染色鉴定表达β-AR和α-AR蛋白的特异性细胞。结果免疫组织化学分析显示,β-1D-AR和α-2-AR免疫反应阳性细胞密集分布于粘膜下腺。结论肾上腺素能受体(AR)亚型在过敏性鼻炎和非过敏性鼻炎等上呼吸道疾病中起着不同的作用。
ObjectiveAdrenergic receptors (ARs) include four general types (α1, α2, β1 and β2), which are found in different target tissues. α-AR agonists are commonly used for decongestant therapy of upper airway diseases. In order to clarify the roles of AR subtypes in the upper airways, we investigated the localization of these receptors by immunohistochemistry.MethodsHuman turbinates were obtained after turbinectomy from 12 patients with nasal obstruction refractory to medical therapy. The specific cells expressing α- and β-AR proteins were identified by immunostaining using an anti-human AR subtype-specific antibodies (α1A-, α1D-, α2C- and β2-ARs) antibody.ResultsImmunohistochemical analysis revealed that immunoreactivities for α1D- and β2-ARs were densely distributed in submucosal glands. In contrast, immunoreactivities for α1A- and 2C-ARs were densely distributed in vascular smooth muscle.ConclusionOur results suggested that adrenergic receptor (AR) subtypes had different roles in upper airway diseases, such as allergic rhinitis and nonallergic rhinitis.
体内和体外人鼻粘膜分泌的比较。
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