首页> 外文期刊>Neuropathology: official journal of the Japanese Society of Neuropathology >Enhancement of native and phosphorylated TDP-43 immunoreactivity by proteinase K treatment following autoclave heating.
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Enhancement of native and phosphorylated TDP-43 immunoreactivity by proteinase K treatment following autoclave heating.

机译:高压灭菌器加热后通过蛋白酶K处理增强天然和磷酸化的TDP-43免疫反应性。

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摘要

TDP-43 is a major disease protein in amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration with TDP-43 (FTLD-TDP). To evaluate the effectiveness of proteinase K (PK) treatment in antigen retrieval for native and phosphorylated TDP-43 protein, we examined the temporal cortex and spinal cord from patients with sporadic ALS and FTLD-TDP and control subjects. PK treatment following heat retrieval enhanced the immunoreactivity for native TDP-43 in controls as well as for native and phosphorylated TDP-43 in ALS and FTLD-TDP. A significant number of TDP-43-positive neuropil threads were demonstrated in lesions, in which routine immunohistochemistry revealed that the predominant inclusions are cytoplasmic. This retrieval method is the best of immunohistochemical techniques for demonstrating TDP-43 pathology, especially in the neuropil.
机译:TDP-43是肌萎缩性侧索硬化症(ALS)和额颞叶大叶变性伴TDP-43(FTLD-TDP)的主要疾病蛋白。为了评估蛋白酶K(PK)处理在天然和磷酸化TDP-43蛋白抗原修复中的有效性,我们检查了散发性ALS和FTLD-TDP患者以及对照组的颞皮质和脊髓。热量回收后的PK处理增强了对照中天然TDP-43以及ALS和FTLD-TDP中天然和磷酸化TDP-43的免疫反应性。病变中显示出大量的TDP-43阳性神经纤维,其中常规免疫组织化学显示主要的内含物是细胞质。这种检索方法是用于证明TDP-43病理尤其是在神经纤维中的最佳免疫组织化学技术。

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