Seer’s Proteograph™ Product Suite identifies undiscovered links between protein variants and lung cancer progression

Peptide-level insights from deep, unbiased proteomics enable protein variant analysis of patient samples, revealing potential non-small cell lung cancer biomarkers

Excerpt from the Press Release:

REDWOOD CITY, Calif., March 29, 2023 (GLOBE NEWSWIRE) — Seer Inc. (NASDAQ: SEER), a life sciences company commercializing a disruptive new platform for proteomics, today announced a new scientific publication in PLOS One demonstrating the unmatched utility of the Proteograph Product Suite to uncover novel insights in human health and disease with deep, unbiased proteomics.

Scientists from Seer in collaboration with Luis Diaz, M.D. from Memorial Sloan Kettering Cancer Center found previously unknown associations between four protein isoforms and non-small cell lung cancer (NSCLC) progression, constituting potential novel, disease-relevant biomarkers, or therapeutic targets. Importantly, the identified NSCLC-associated protein isoforms comprise structural variants of proteins that arise from distinct but related mRNAs produced from the same gene through the process of alternative splicing. Different protein isoforms can have distinct roles in biology, influencing disease predisposition and progression. Notably, discovery and quantification of such protein variants in a complex biological sample requires deep, unbiased interrogation of the proteome at peptide-level resolution.

“These findings demonstrate that distinct protein isoforms may differentially contribute to diverse biological mechanisms and to the pathogenesis of cancers, potentially paving the road to identify new diagnostic markers or new therapeutic targets,” said Dr. Diaz, Head of the Division of Solid Tumor Oncology at Memorial Sloan Kettering Cancer Center.

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