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Fig. 7 | Critical Care

Fig. 7

From: The predicting roles of carcinoembryonic antigen and its underlying mechanism in the progression of coronavirus disease 2019

Fig. 7

Protein–protein interaction (PPI) network of CRGs. String database was used to construct the PPI network of CRGs, illustrating that several CRGs had direct protein–protein interactions with a variety of immune cell surface markers (A, C). Besides, the protein expression levels of CRGs in normal lung samples of The Human Protein Atlas were also checked, showing that only CEACAM21 were stained moderately in pneumocytes while the proteins of CEACAM5, CEACAM6 and CEACAM8 were not detected in normal lung samples (D)

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Critical Care

ISSN: 1364-8535