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. 2021 Jan 19;11:605673. doi: 10.3389/fimmu.2020.605673

Table 1.

Reported expression patterns of human IFN-I.

Cell type Stimulus Conserved cluster Variant cluster CC Reference
β α1 α8 α2 α6 α5 α14 α17 α16 α10 α7 α4 α21
PBMC poly I:C X X X X X (49)
CpG B-D class X X X X X X X X X (53)
Imiquimod X X X X (53)
Sendai Virus a nd X X X X X X (19)
Hepatitis C virus X X (54)
Mo poly I:C X X X (49)
MDM poly I:C X X X (49)
CpG D class X X X
M. tuberculosis X X (50)
MDDC poly I:C X X (49)
RSV X X X X X X (55)
pDC poly I:C, LPS X X X X (49)
Imiquimod X X X X X X X X X X X X X
CpG A, C, D X X X X X X X X X X X X X
CpG B class nd X X X X (48)
IAV H1N1 nd X X X X X X X X X X X X (48)
HIV nd X X X X X X X X X X X X (56)
HIV nd X X X X X (57)
Calu3 b IAV H5N1 IAV pH1N1 SARS-CoV MERS-CoV X X (58)
BEAS2B RSV X X (51)
Lung explants IAV H3N2 nd X X X X X X (59)
U937 c Sendai Virus (low MOI) X X X X x x x x x x x x x (60)
Sendai Virus (high MOI) X X X X X X X X
a

Expression patterns determined by mass spectrometry.

b

Expression patterns determined by RNAseq, which may be insensitive to detecting highly identical transcripts.

c

Lower case “x” refers to the IFNα subtypes that were not expressed after IFNAR2 blockade (see text).

PBMC, peripheral blood mononuclear cells; Mo, monocytes; MDM, monocyte derived macrophages; MDDC, monocyte derived dendritic cells; pDC, plasmacytoid dendritic cells; poly I:C, polyinosinic-polycytidylic acid; CpG, CpG oligodeoxynucleotides; HIV, human immunodeficiency virus; SARS-Cov, Severe adult respiratory syndrome coronavirus; MERS-CoV, Mideast respiratory syndrome coronavirus; MOI, multiplicity of infection. Blue and orange shading show evolutionarily conserved and variant IFNα subtypes, respectively.