Dr. Juanita Merchant, BIO5 member, professor, and chief of Gastroenterology at the University of Arizona College of Medicine – Tucson, is a gastric cancer expert whose research focuses on the molecular mechanisms of the disease. Currently, diagnosis of stomach or gastric cancer requires the patient to undergo an upper endoscopy, where a doctor looks for signs of cancer and takes a tissue sample for analysis. University of Arizona Health Sciences researchers recently discovered a promising new biomarker that can be identified through a simple blood test, that may help with early detection of the disease and could lead to better treatment.
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