ArticleInternational journal of molecular sciences2025
An Improved SHANEL Procedure for Clearing and Staining Brain Tissue from Multiple Species.
Article in International journal of molecular sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Accelerated immunostaining of thick biological tissues using bidirectional electric fields with reversible deformation.Biomedical optics express · 2026Article
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9 authors.
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Abstract
Recent advances in tissue clearing chemistry have revolutionized three-dimensional imaging by enabling whole-organ antibody labeling, even in thick human tissue samples. However, these techniques face limitations, including reduced clearance efficiency in thick tissue blocks, prolonged processing times, and other challenges specific to formalin-fixed human brain tissue, such as autofluorescence due to the presence of lipofuscin, neuromelanin pigments, and residual blood. To address these challenges, we have developed an improved SHANEL procedure, iSHANEL, which is compatible with brain tissue from multiple species, including nonrodents. iSHANEL significantly enhances the tissue transparency. It effectively removes lipids, particularly sphingolipids, from brain tissue across different species. For brain vasculature imaging, it offers the better visualization of vascular structures at high magnification, reducing light scattering and background noise. Moreover, iSHANEL can be effectively applied to large tissue from pigs and cynomolgus monkeys, and it preserves protein immunogenicity well, as evidenced by immunostaining with the microglia-specific marker IBA-1. We also investigated methods to reduce blood vessel autofluorescence. Overall, iSHANEL provides an improved procedure for the high-resolution 3D imaging of brain tissue across multiple species.
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