IL-20R Activation via rIL-19 Enhances Hematoma Resolution through the IL-20R1/ERK/Nrf2 Pathway in an Experimental GMH Rat Pup Model.

IL-20R Activation via rIL-19 Enhances Hematoma Resolution through the IL-20R1/ERK/Nrf2 Pathway in an Experimental GMH Rat Pup Model.
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DOI:
10.1155/2021/5913424
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发表时间:
2021
影响因子:
--
通讯作者:
Zhang JH
Zhang JH
中科院分区:
生物学2区
文献类型:
--
作者:
Liu S;Flores JJ;Li B;Deng S;Zuo G;Peng J;Tang J;Zhang JH

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在生发基质出血(GMH)后,血凝块在神经功能缺损中起主要作用。先前的研究表明,在出血性卒中后血凝块清除方面有有益效果。本研究的目的是探讨白细胞介素 - 19在GMH后血肿清除中的作用及其白细胞介素 - 20受体1/细胞外调节蛋白激酶/核因子E2相关因子2(IL - 20R1/ERK/Nrf2)信号通路的潜在机制。 总共使用了240只7日龄的斯普拉格 - 道利大鼠幼崽。通过脑实质内注射细菌胶原酶诱导GMH。在GMH后1小时经鼻给予重组白细胞介素 - 19(rIL - 19)。在诱导GMH前48小时和1小时,分别脑室内给予白细胞介素 - 20受体1的CRISPR基因编辑技术产物,腹腔内给予核因子E2相关因子2拮抗剂ML385。通过神经行为学、蛋白质印迹法、免疫组织化学、组织学和血红蛋白测定来评估短期和长期的治疗方案。 GMH后内源性白细胞介素 - 19、白细胞介素 - 20受体1、白细胞介素 - 20受体2和清道夫受体CD163增加。rIL - 19治疗改善了神经功能缺损,减少了血肿体积和血红蛋白含量,减轻了脑室扩大,并缓解了皮质厚度的减少。此外,该治疗增加了细胞外调节蛋白激酶、核因子E2相关因子2和CD163的表达,而白细胞介素 - 20受体1的CRISPR敲低质粒和ML385抑制了rIL - 19对CD163表达的影响。 rIL - 19治疗改善了GMH诱导的血肿清除并减轻了神经功能缺损,这是通过白细胞介素 - 20受体1/细胞外调节蛋白激酶/核因子E2相关因子2通路的上调介导的。rIL - 19治疗可能为GMH患者群体提供一种有前景的治疗策略。
Blood clots play the primary role in neurological deficits after germinal matrix hemorrhage (GMH). Previous studies have shown a beneficial effect in blood clot clearance after hemorrhagic stroke. The purpose of this study is to investigate interleukin-19's role in hematoma clearance after GMH and its underlying mechanism of IL-20R1/ERK/Nrf2 signaling pathway. A total of 240 Sprague-Dawley P7 rat pups were used. GMH was induced by intraparenchymal injection of bacterial collagenase. rIL-19 was administered intranasally 1 hour post-GMH. IL-20R1 CRISPR was administered intracerebroventricularly, or Nrf2 antagonist ML385 was administered intraperitoneally 48 hours and 1 hour before GMH induction, respectively. Neurobehavior, Western blot, immunohistochemistry, histology, and hemoglobin assay were used to evaluate treatment regiments in the short- and long-term. Endogenous IL-19, IL-20R1, IL-20R2, and scavenger receptor CD163 were increased after GMH. rIL-19 treatment improved neurological deficits, reduced hematoma volume and hemoglobin content, reduced ventriculomegaly, and attenuated cortical thickness loss. Additionally, treatment increased ERK, Nrf2, and CD163 expression, whereas IL-20R1 CRISPR-knockdown plasmid and ML385 inhibited the effects of rIL-19 on CD163 expression. rIL-19 treatment improved hematoma clearance and attenuated neurological deficits induced by GMH, which was mediated through the upregulation of the IL-20R1/ERK/Nrf2 pathways. rIL-19 treatment may provide a promising therapeutic strategy for the GMH patient population.
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