ACE2	F(5′‐AGAAGTTGCTCAATATGCTG‐3′)
	R(5′‐ATCCATATTCCTTGATCCTACC‐3′);
Furin	F(5′‐AGGGGTAGGCTGACATCATCT‐3′),
	R(5′‐CCAGGGCACAGTGTTAGTTTG‐3′);
TMPRSS2	F(5′‐TCCAGGTTTACTCATCTCAG‐3′)
	R(5′‐CCCTTGGCTAGAATAAAAGC‐3′);
ADAM17	F(5′‐GAGGTAAAACCTGGTGAAAG‐3′);
	R(5′‐TATCAAGGCTAAATTGCTCC‐3′);
GAPDH	F(5′‐GTGCCAGCCTCGTCTCATAG‐3′);
	R(5′‐GAGAAGGCAGCCCTGGTAAC‐3′)