Tissue Thymus Appendix Appendix Spleen Spleen Lymph node Lymph node Tonsil Tonsil Tonsil Bone marrow
Cellular components Glandular cells Lymphoid Tissue Cells in red pulp Cells in white pulp Germinal center cells Non-germinal center cells Germinal center cells Non-germinal center cells Squamous epithelial cells Hematopoietic cells
RNA Expression (NX)* ACE2 0.2 0.8 0.8 0.2 0.2 0.6 0.6 0.2 0.2 0.2 0
TMPRSS2 0.5 15.5 15.5 0.3 0.3 0.2 0.2 10.2 10.2 10.2 0
CTSL 6.8 27.2 27.2 108.1 108.1 80.5 80.5 10.1 10.1 10.1 18.4
FURIN 4.8 7.5 7.5 8.2 8.2 3.1 3.1 4.1 4.1 4.1 16.6
Protein Expression ACE2 ND** ND ND ND ND ND ND ND ND ND ND
TMPRSS2 ND Low ND ND ND ND ND ND ND ND ND
CTSL ND ND ND ND ND ND ND ND ND ND Low
FURIN ND Medium ND Low ND ND Low ND ND Low Medium