ArticleThe journal of pain2025
Efficient removal of naturally-occurring lipofuscin autofluorescence in human nervous tissue using high-intensity white light.
Article in The journal of pain, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- A dual-modality workflow for quantifying microvascular structure in human temporal lobe epilepsy.IBRO neuroscience reports · 2026Article
- Article
- Glucagon-Like Peptide-1 Targets in the Human Nodose Ganglion.The Journal of comparative neurology · 2026Article
- The Neurogenic Niche: Interactions Among Vessels, Glia, and Neural Stem Cells.Stem cells international · 2026Review
- Spatial transcriptomics in Alzheimer's disease: technologies, challenges and discoveries.Molecular neurodegeneration advances · 2026Review
- Applications and development of in situ nucleic acid visualization techniques.Frontiers in bioengineering and biotechnology · 2026Review
- Longitudinal human transcriptomic and spatial gene profiling at the incisional edge during long surgical procedures.Communications biology · 2025Article
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Authors and funding
12 authors.
Funding
Abstract
Background autofluorescence is enhanced in human tissue relative to small animals and presents a barrier to fully realizing the potential of novel multiplex methods in human studies. In particular, lipofuscin (LF) is an interfering pigment in multiplex fluorescence assays. Lipofuscin (LF) is a highly cross-linked aggregate of oxidized lipids, proteins, sugars, and metal ions that accumulates in lysosomes with age, and is strongly fluorescent across wavelengths that interfere with signals from common fluorophores. This is particularly apparent in dorsal root ganglion (DRG), where the LF deposits occupy up to 80% of the visible neuronal cytoplasm, affecting ∼45% of neurons in a typical section. This report describes a straightforward, scalable, pre-staining, white-light photobleaching method that near-totally reduces LF autofluorescence, and improves signal detection across the color spectrum without negatively impacting the multiplex fluorescence detection assay. It is effective for peripheral and central nervous system structures as well as pathological tissue such as Alzheimer's disease brain, which contains high levels of autofluorescent interference. This demonstrates the broad applicability to improving signal detection in human disease states to enable translational investigations in humans. This low-cost procedure can be rapidly implemented into existing research programs to increase the accessibility of high-plex fluorescent microscopy methodologies to enable direct-in-human research. PERSPECTIVE: White light photobleaching of lipofuscin before multiplex fluorescent in situ hybridization allows for rapid, near-total quenching of autofluorescence in healthy and diseased human nervous system tissue. Given the importance of direct-in-human investigations for validating translational studies and ensuring medical relevance, this simple yet powerful advance enables future anatomical investigations.
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Registered trials
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