Major cellular receptors for coronaviruses.
Cellular receptors | Tissue expression | Virus | Host | Reference for receptor |
---|---|---|---|---|
ACE2 |
Abundant in the epithelia of enterocytes of the small intestine | SARS-CoV | Human | [89] |
Widely expressed in a variety of tissues, including the lungs | SARS-CoV-2 | Human | [43] | |
HCoV-NL63 | Human | [197] | ||
DPP4 |
Widely expressed in the human body, including bronchial epithelial cells, alveolar type I and II cells, and activated lymphocytes | MERS-CoV | Human | [28] |
9-O-Ac-Sia |
Widely displayed on the surfaces of diverse cells and tissues, including the lungs, trachea, intestines, and colon | HCoV-OC43 | Human | [5] |
HCoV-HKU1 | Human | [4] | ||
APN |
Abundant in the epithelia of the kidney, small intestine, and liver Widely expressed in various tissues, including secretory bronchial epithelia | HCoV-229E | Human | [198] |
FCoV | Feline | [199] | ||
CCoV | Canine | [199] | ||
TGEV | Porcine | [26] | ||
PRCV | Porcine | [25] | ||
CEACAM |
Widely expressed in diverse human tissues, including the liver, small intestine, and colon, but not in lungs, bronchi, ovaries, or testes | MHV | Murine | [200] |
aAngiotensin-converting enzyme 2
bDipeptidyl peptidase 4, also known as CD26
c9-O-acetylated sialic acid
dAminopeptidase N
eCarcinoembryonic antigen-related cell adhesion molecules