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Liquid Biopsy Proteomics in Ophthalmology
Journal article   Open access   Peer reviewed

Liquid Biopsy Proteomics in Ophthalmology

Julian Wolf, Joel A Franco, Rui Yip, Mohamed Ziad Dabaja, Gabriel Velez, Fel Liu, Alexander G Bassuk, Prithvi Mruthyunjaya, Antoine Dufour and Vinit B Mahajan
Journal of proteome research, Vol.23(2), pp.511-522
02/02/2024
DOI: 10.1021/acs.jproteome.3c00756
PMCID: PMC10845144
PMID: 38171013
url
https://doi.org/10.1021/acs.jproteome.3c00756View
Published (Version of record) Open Access

Abstract

Minimally invasive liquid biopsies from the eye capture locally enriched fluids that contain thousands of proteins from highly specialized ocular cell types, presenting a promising alternative to solid tissue biopsies. The advantages of liquid biopsies include sampling the eye without causing irreversible functional damage, potentially better reflecting tissue heterogeneity, collecting samples in an outpatient setting, monitoring therapeutic response with sequential sampling, and even allowing examination of disease mechanisms at the cell level in living humans, an approach that we refer to as TEMPO (Tracing Expression of Multiple Protein Origins). Liquid biopsy proteomics has the potential to transform molecular diagnostics and prognostics and to assess disease mechanisms and personalized therapeutic strategies in individual patients. This review addresses opportunities, challenges, and future directions of high-resolution liquid biopsy proteomics in ophthalmology, with particular emphasis on the large-scale collection of high-quality samples, cutting edge proteomics technology, and artificial intelligence-supported data analysis.
eye liquid biopsy proteomics vitreous precision medicine aqueous humor artificial intelligence

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