Periostin Activation of Integrin Receptors on Sensory Neurons Induces Allergic Itch.

Periostin Activation of Integrin Receptors on Sensory Neurons Induces Allergic Itch.
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DOI:
10.1016/j.celrep.2020.03.036
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发表时间:
2020-04-07
期刊:
影响因子:
8.8
通讯作者:
Olivry, Thierry
Olivry, Thierry
中科院分区:
生物学1区
文献类型:
--
作者:
Mishra, Santosh K.;Wheeler, Joshua J.;Pitake, Saumitra;Ding, Huiping;Jiang, Changyu;Fukuyama, Tomoki;Paps, Judy S.;Ralph, Patrick;Coyne, Jacob;Parkington, Michelle;DeBrecht, Jennifer;Ehrhardt-Humbert, Lauren C.;Cruse, Glenn P.;Baeumer, Wolfgang;Ji, Ru-Rong;Ko, Mei-Chuan;Olivry, Thierry

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慢性过敏性瘙痒是影响数百万人和动物的常见症状,但其发病机制尚未完全解释。在此,我们发现,骨膜蛋白,大量表达在皮肤的特应性皮炎(AD)患者,诱导瘙痒的小鼠,狗和猴子。我们鉴定了在感觉神经元亚群上表达的整合素αVβ3作为骨膜蛋白受体。利用药理学和遗传学方法,我们抑制了神经元整合素αVβ3的功能,这显著减轻了骨膜素诱导的小鼠瘙痒。此外,我们表明,细胞因子TSLP,应用AD引起的MC 903(卡泊三醇),和屋尘螨都诱导骨膜蛋白分泌。最后,我们确定JAK/STAT途径是角质形成细胞中骨膜蛋白分泌的关键调节因子。总之,我们的研究结果确定了TSLP-骨膜蛋白相互激活循环,通过外周感觉神经元将皮肤与脊髓联系起来,并且我们表征了整合素在瘙痒中的非经典功能作用。Mishra等人在小鼠、犬和猴中证明了骨膜蛋白诱导的瘙痒,并将整联蛋白αVβ3鉴定为骨膜蛋白神经元受体。他们发现角质形成细胞响应TSLP释放骨膜蛋白,从而确定了一个可能的相互恶性循环,暗示细胞因子TSLP和骨膜蛋白在慢性过敏性瘙痒中的作用。
Chronic allergic itch is a common symptom affecting millions of people and animals, but its pathogenesis is not fully explained. Herein, we show that periostin, abundantly expressed in the skin of patients with atopic dermatitis (AD), induces itch in mice, dogs, and monkeys. We identify the integrin αVβ3 expressed on a subset of sensory neurons as the periostin receptor. Using pharmacological and genetic approaches, we inhibited the function of neuronal integrin αVβ3, which significantly reduces periostin-induced itch in mice. Furthermore, we show that the cytokine TSLP, the application of AD-causing MC903 (calcipotriol), and house dust mites all induce periostin secretion. Finally, we establish that the JAK/STAT pathway is a key regulator of periostin secretion in keratinocytes. Altogether, our results identify a TSLP-periostin reciprocal activation loop that links the skin to the spinal cord via peripheral sensory neurons, and we characterize the non-canonical functional role of an integrin in itch. Mishra et al. demonstrate periostin-induced itch in mice, dogs, and monkeys and identify the integrin αVβ3 as the periostin neuronal receptor. They find that keratinocytes release periostin in response to TSLP, thus identifying a possible reciprocal vicious circle implicating the cytokine TSLP and periostin in chronic allergic itch.
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