{
    "assessed_biomarker_entity": "Angiotensin-converting enzyme 2 (ACE2)",
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            "literature_evidence": "sACE2 levels showed reliable associations with all individuals components of Metabolic Syndrome. This profile of associations was statistically significantly stronger in men, compared to women, and suggests that preexisting cardiometabolic conditions might confer increased severity of symptoms in some COVID-19 patients through increased expression of ACE2 in the liver. [PMID:32698840]",
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            "notes": "Decreased ACE2 expression",
            "literature_evidence": "Expression of ACE2 is decreased in pancreatic ductal adenocarcinoma tissues. The reduction of ACE2 expression by RNA interference promoted the proliferation of cultured pancreatic cancer cells. It was found that ANGII (angiotensin II, a biologically active peptide that works as a regulator of cardiovasular homeostasist) contributes to the down-regulation of ACE2 in cancer patients. [PMID:19212105]",
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        {
            "title": "Decreased expression of angiotensin-converting enzyme 2 in pancreatic ductal adenocarcinoma is associated with tumor progression.",
            "journal": "The Tohoku journal of experimental medicine",
            "authors": "Zhou L, Zhang R, Yao W, Wang J, Qian A, Qiao M, Zhang Y, Yuan Y",
            "date": "2009",
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        {
            "title": "ACE2 correlated with immune infiltration serves as a prognostic biomarker in endometrial carcinoma and renal papillary cell carcinoma: implication for COVID-19.",
            "journal": "Aging",
            "authors": "Yang J, Li H, Hu S, Zhou Y",
            "date": "2020",
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            "title": "Identification of angiotensin-converting enzyme 2 (ACE2) protein as the potential biomarker in SARS-CoV-2 infection-related lung cancer using computational analyses.",
            "journal": "Genomics",
            "authors": "Samad A, Jafar T, Rafi JH",
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            "title": "Plasma levels of soluble ACE2are associated with sex, Metabolic Syndrome, and its biomarkers in a large cohort, pointing to a possible mechanism for increased severity in COVID-19.",
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