Development of pathological diagnostics of human kidney cancer by multiple staining using new fluorescent Fluolid dyes.
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| Abstract |
New fluorescent Fluolid dyes have advantages over others such as stability against heat, dryness, and excess light. Here, we performed simultaneous immunostaining of renal tumors, clear cell renal cell carcinoma (RCC), papillary RCC, chromophobe RCC, acquired cystic disease-associated RCC (ACD-RCC), and renal angiomyolipoma (AML), with primary antibodies against Kank1, cytokeratin 7 (CK7), and CD10, which were detected with secondary antibodies labeled with Fluolid-Orange, Fluolid-Green, and Alexa Fluor 647, respectively. Kank1 was stained in normal renal tubules, papillary RCC, and ACD-RCC, and weakly or negatively in all other tumors. CK7 was positive in normal renal tubules, papillary RCC, and ACD-RCC. In contrast, CD10 was expressed in renal tubules and clear cell RCC, papillary RCC, AML, and AC-RCC, and weakly in chromophobe RCC. These results may contribute to differentiating renal tumors and subtypes of RCCs. We also examined the stability of fluorescence and found that fluorescent images of Fluolid dyes were identical between a tissue section and the same section after it was stored for almost three years at room temperature. This indicates that tissue sections can be stored at room temperature for a relatively long time after they are stained with multiple fluorescent markers, which could open a door for pathological diagnostics.
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| Authors | Dilibaier Wuxiuer, Yun Zhu, Takunori Ogaeri, Keiji Mizuki, Yuki Kashiwa, Kentaro Nishi, Shin-ichiro Isobe, Tei-ichiro Aoyagi, Ryoiti Kiyama |
| Journal | BioMed research international (Biomed Res Int) Vol. 2014 Pg. 437871 ( 2014) ISSN: 2314-6141 [Electronic] United States |
| PMID | 24995295 (Publication Type: Journal Article, Research Support, Non-U.S. Gov't) |
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