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美國SomaLogic 
SomaLogic的aptamer技術是基于核酸與特定蛋白質結合，使其具有高度的選擇性和專一性。按照一定排列順序裝配后，該技術可同時在生物液體樣品中測出數百甚至上千種蛋白質，其中的一些蛋白質可能與某些疾病相關。Aptamer序列與特定疾病蛋白質相關聯的作用被認為將在疾病的診斷和治療方面起到顯著作用。

SomaLogic is developing next-generation medical diagnostics based on protein signatures—unique patterns that can be analyzed using simple blood tests and that can distinguish between disease and health with unprecedented accuracy.

Proteins are critical for the normal functioning of the human body. They provide structure, transmit and receive information, and carry out important chemical reactions. In persons with a disease, many proteins may be affected. Compared to normal health, some proteins may become overly abundant, while others may become scarce.

By measuring these proteins—or biomarkers—SomaLogic is discovering new insights into disease and health. By combining biomarkers into patterns or disease signatures, SomaLogic is bringing new levels of accuracy to virtually every aspect of patient care: disease screening, diagnosis, therapy selection, and patient monitoring.

SomaLogic uses its unique aptamer array technology and bioinformatics capabilities to discover disease-specific biomarkers and protein signatures. Using a simple blood test, clinicians will have the information to transform medical practice and make a real difference in people's lives. The approach can be applied across a broad spectrum of clinical challenges faced by physicians.

Proteins say a lot about a person, and SomaLogic is discovering what they say.