Comprehensive Pan-Disease Molecular Atlas Reveals Unique Blood Protein Signatures for Health, Disease, and Aging
A novel molecular map of blood proteins has been developed, revealing unique signatures associated with various diseases and aging, paving the way for improved early diagnosis and personalized medicine.
A groundbreaking study has developed a detailed molecular map of the human blood proteome across a spectrum of health conditions, diseases, and aging processes. Published in the journal Science, this research introduces the Human Disease Blood Atlas, a novel resource that identifies distinct protein 'fingerprints' associated with 59 different diseases. This atlas enables the detection of specific molecular patterns in blood that can distinguish between common inflammatory responses and disease-specific signals.
The study, led by researchers from SciLifeLab in Stockholm with collaboration from over 100 scientists worldwide, mapped how thousands of blood proteins fluctuate during aging and as diseases like cancer, cardiovascular conditions, and autoimmune disorders develop. Importantly, it was observed that each person’s blood profile has a unique molecular signature that evolves from childhood and stabilizes in adulthood, providing a baseline for early deviation detection.
Machine learning algorithms played a crucial role in analyzing the complex data, helping to identify biomarkers that are consistently altered across various conditions. This approach aims to improve the reliability of blood-based diagnostics by moving beyond traditional comparisons of sick versus healthy controls, which often suffer from reproducibility issues. The study highlights shared molecular pathways, such as inflammatory responses common to infections, cancer, and autoimmune diseases, as well as organ-specific protein patterns, aiding in the focus on truly disease-specific markers.
The research underscores the potential of proteomics to revolutionize early disease detection, particularly in cancer, where certain protein levels increase prior to clinical diagnosis. By establishing a comprehensive molecular fingerprint of diseases, healthcare providers could better monitor health, detect diseases earlier, and personalize treatments. Overall, this atlas offers a promising pathway to develop more accurate, consistent, and early diagnostic tools that could transform patient care.
Source: https://medicalxpress.com/news/2025-10-pan-disease-atlas-molecular-fingerprints.html
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