ArticleFrontiers in bioengineering and biotechnology2025
Evaluation of the effects of clearing agents, fixation, and process durations on cardiovascular tissue imaging with second harmonic generation and multi-photon modalities.
Article in Frontiers in bioengineering and biotechnology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Current progress of labeling strategies in tissue clearing for large-scale biological visualization.Frontiers in cell and developmental biology · 2026Review
- In-depth 3D exploration of autosomal dominant polycystic kidney disease through light sheet fluorescence microscopy.Scientific reports · 2025Article
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Authors and funding
9 authors.
Funding
Abstract
Introduction: Protocols for tissue clearing have been established and optimized for the central nervous system. However, significant modifications are required for clearing different tissue types. Therefore, effective optical clearing for cardiovascular tissue remains a major challenge. The goal of this study is to better understand the responses of porcine left anterior descending artery (LADA) to label-free multiphoton imaging. Methods: To this end, the effects of different clearing methods (i.e., benzyl alcohol benzyl benzoate-BABB and glycerol), formalin fixation, variations in formalin fixation times (0-240 min), and extended storage in BABB (up to 14 days) are investigated. We compare tissue characteristics under different conditions (e.g., tissue clearing reagent and/or tissue fixation), particularly with regard to tissue preservation and transparency across z-stacks (i.e., imaging depths). Results: The glycerol clearing method exhibited relatively lower tissue transparency, whereas BABB increased mean AF-AUC from 0.0035 ± 0.0009 to 0.1205 ± 0.0168 and SHG-AUC from 0.0003 ± 0.0002 to 0.0072 ± 0.0040 ( Discussion: These findings establish BABB as the superior, label-free clearing agent for deep 3D multiphoton microscopy/second harmonic generation imaging of cardiovascular tissue and underscore the necessity of tailoring fixation parameters to the chosen clearing method.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.