ICAM1 and COVID-19: Yao et al. [126] conducted a cross-sectional cohort study with a sample of COVID-19 and healthy control patients to establish quantitatively whether the serum levels of PGRN and sVCAM-1, sICAM-1 (intercellular adhesion molecule-1, sP-selectin, and sE-selectin) would be elevated in the infected patients when compared with the controls.