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. 2022 Jun 28;44(7):2811–2824. doi: 10.3390/cimb44070193

Table 3.

The human lectin pathway (LP) associated complement missense coding SNPs detected in pediatric COVID-19 patients.

Complement Lectin Pathway (LP) Missense Coding Variants Identified in Pediatric COVID-19 Patients
9 Common LP Variants among the Three Study Groups
rsID 1 Gene 2 Variant Frequency-VF%
(Repeats/Patients-R/P) 3
Encoded Mutation
Non-Admitted
(N)
nN = 32
Admitted (Y)
nY = 32
MIS-C (M)
nM = 7
rs7567833 COLEC11 9 (3/32) 3 (1/32) 29 (2/7) H219R,
C-type lectin domain
rs532781899 FCN3 13 (4/32) 16 (5/32) - L117S (Del)/
L117P (Ins),
Indel
rs72549154 MASP1/3 13 (4/32) 9 (3/32) - R576M,
MASP-1 Isoform 2→MASP-3
rs12711521 MASP2 84 (27/32) 88 (28/32) 71 (5/7) D371Y, Isoform 1:
364–432: CCP2
rs139962539 MASP2 3 (1/32) 6 (2/32) - T294M, Isoform 1:
184–296: CUB 2
rs2273346 MASP2 3 (1/32) 6 (2/32) 14 (1/7) V377A, Isoform 1:
364–432: CCP2
rs72550870 MASP2 9 (3/32) 6 (2/32) - D120G, Isoforms 1, 2:
16–137: CUB 1
rs1800450 MBL2 41 (13/32) 19 (6/32) 43 (3/7) G54D, 42–99:
Collagen-like domain
rs5030737 MBL2 16 (5/32) 22 (7/32) 14 (1/7) R52S/R52C, 42–99:
Collagen-like domain
8 Unique LP variants in two of the three study groups
Non-Admitted
(N)
nN = 32
Admitted
(Y)
nY = 32
MIS-C
(M)
nM = 7
rsID 1 Gene 2 VF%
(R/P) 3
rsID 1 Gene 2 VF%
(R/P) 3
rsID 1 Gene 2 VF%
(R/P) 3
rs113269917 COLEC11 3 (1/32) rs148649884 FCN1 3 (1/32) N/A
rs28945068 MASP1 3 (1/32) rs758432223 MASP1 3 (1/32)
rs147270785 MASP2 6 (2/32) rs185903926 MASP2 6 (2/32)
rs137974936 MBL2 3 (1/32) rs1800451 MBL2 6 (2/32)

1 Reference SNP ID, 2 NCBI Gene database, 3 Detected coding SNP frequency in each population. Corresponds to the number of times that each SNP is represented within each of our two major study group populations. In green, are the MBL2 rs1800450 coding SNPs of interest and its frequency in the admitted group. COLEC: collectin; FCN: ficolin; MASP: mannose-associated serine protease; MBL: mannose binding lectin; MIS-C: COVID-19 induced Multisystem Inflammatory Syndrome in Children (MIS-C) (CDC, HAN Archive-00432).