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Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Sci+Adv 2020 ; 6 (31): ä Nephropedia Template TP
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Acetylated K676 TGFBIp as a severity diagnostic blood biomarker for SARS-CoV-2 pneumonia #MMPMID32937590
Park HH; Kim HN; Kim H; Yoo Y; Shin H; Choi EY; Bae JS; Lee W
Sci Adv 2020[Jul]; 6 (31): ä PMID32937590show ga
The outbreak of the highly contagious and deadly severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), also known as coronavirus disease 2019 (COVID-19), has posed a serious threat to public health across the globe, calling for the development of effective diagnostic markers and therapeutics. Here, we report a highly reliable severity diagnostic biomarker, acetylated 676th lysine transforming growth factor-beta-induced protein (TGFBIp K676Ac). TGFBIp K676Ac was consistently elevated in the blood of patients with SARS-CoV-2 pneumonia (n = 113), especially in patients in the intensive care unit (ICU) compared to non-ICU patients. Patients' blood samples showed increased cytokines and lymphopenia, which are exemplary indicators of SARS-CoV-2 pneumonia. Treatment with TGFBIp neutralizing antibodies suppressed the cytokine storm. The increased level of TGFBIp K676Ac in ICU patients suggests the promise of this protein as a reliable severity diagnostic biomarker for severe SARS-CoV-2 disease.