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KMID : 1237720190520040455
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Anatomy & Cell Biology
2019 Volume.52 No. 4 p.455 ~ p.461
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Immunohistochemical localization of nerve injury-induced protein-1 in mouse tissues
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Ekanayake Poornima
Ahn Mee-Jung
Kim Jeong-Tae
Choi Yu-Na
Shin Tae-Kyun
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Abstract
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Nerve injury-induced protein (Ninjurin)-1 is a cell adhesion molecule that is upregulated in neurons and Schwann cells after transection injury in rats. In this study, we investigated the localization of Ninjurin-1 in various tissues, including the cerebrum, sciatic nerve, spleen, lung, stomach, ileum, colon, liver, pancreas, kidney, testis, and skin in C57BL/6 mice, using Western blotting and immunohistochemistry. Western blot analysis showed that Ninjurin-1 was differentially expressed among organs. Ninjurin-1 was abundant in skin and ileum, weakly expressed in cerebrum, and moderately expressed in the other organs studied. Immunohistochemical analysis largely confirmed the results of the western blot analysis with often localization of Ninjurin-1 in the regions with abundant connective tissues. In addition, Ninjurin-1 was differentially expressed in various cell types in the tissues under the investigation. These findings suggest that Ninjurin-1 may play organ-specific roles in development and homeostasis of many organs.
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KEYWORD
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Mouse, Ninjurin-1, Organ
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