ArticleThe Annals of thoracic surgery2024
Molecular Imaging in Precision-Cut Non-Small Cell Lung Cancer Slices.
Article in The Annals of thoracic surgery, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 5 citations in OpenAlex.
- A Phase 2 Multicenter Clinical Trial of Intraoperative Molecular Imaging of Lung Cancer with a pH-Activatable Nanoprobe.Molecular imaging and biology · 2024Trial
- Precise localization techniques for small pulmonary nodules: what is next?Journal of thoracic disease · 2025Review
- A fibroblast activation protein targeted optical tracer for identifying primary and metastatic sarcoma during resection.EJNMMI research · 2025Article
- Precision cut lung slices: an integrated ex vivo model for studying lung physiology, pharmacology, disease pathogenesis and drug discovery.Respiratory research · 2024Review
- 3D cell culture models in research: applications to lung cancer pharmacology.Frontiers in pharmacology · 2024Review
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundSmall animal models remain invaluable for the preclinical study of emerging molecular imaging agents. However, the data obtained in this setting are generated in genetically homogenous animals that do not mimic human pathophysiology. The purpose of this study was to prospectively validate precision-cut lung slices (PCLSs) obtained from patients with lung cancer as a translational tool for the development of targeted fluorophores.
methodsThe lung tissue was gently inflated with 2% Low-Melt Agarose (Fisher, 16520050) to avoid lung damage and minimize inflation pressure. The slices were then loaded into specialized cylindrical cartridges and inserted into a compressotome, and slices 150 to 350 μm thick were cut. Samples were incubated with fluorophore conjugates for ex vivo validation and immunohistochemical staining for receptor expression.
resultsA total of 184 unique 3-dimensional, architecturally preserved normal lung and non-small cell lung cancer samples were obtained between 2020 and 2022. The median nodule size was 1.1 ± 0.21 cm for benign lesions and 2.1 ± 0.19 cm for malignant nodules. A total of 101 of 135 (74.8%) malignant lesions were adenocarcinoma spectrum lung cancers. The median viability was 9.78 ± 1.86 days, and 1 μM of FAPL-S0456 (high-affinity fibroblast activation protein [FAP] targeting ligand linked to the near-infrared fluorophore S0456, On Target Laboratories)-targeted near-infrared fluorochrome localization demonstrated correlative labeling of FAP-positive tumor areas with a correlation coefficient of +0.94 (P < .01). There was no FAP fluorochrome uptake in normal lungs (r = -1; P < .001).
conclusionsPCLSs comprise a novel human tissue-based translational model that can be used to validate the efficacy of molecular imaging fluorochromes. PCLSs preserve the tumor microenvironment and parenchymal architecture that closely resemble the interactions of the immune and stromal components in humans.
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