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Table 3 Variant details and respective classification scores for 16p11.2del CNV and CHD8 test cases

From: Functional DNA methylation signatures for autism spectrum disorder genomic risk loci: 16p11.2 deletions and CHD8 variants

Sample ID

Sex

Age (years)

16p11.2del coordinates (size in kb)

Diagnostic classification for 16p11.2 typical deletion (pathogenic, benign, variant of unknown significance [VUS])

Inheritance

ASD status

16p11.2del score

348

M

0.25

29,590,493–30,190,593 (600)

Pathogenic

Unknown

Unknown

0.11505

228

M

0.4

29,590,493–30,190,593 (600)

Pathogenic

Unknown

Unknown

0.12668

875

F

4

29,656,657–30,190,593 (534)

Pathogenic

Unknown

Unknown

0.03073

172

F

6

29,590,493–30,190,593 (600)

Pathogenic

Unknown

Unknown

0.04668

292

M

0.25

29,500,252–30,098,094 (598)

Pathogenic

Unknown

Unknown

0.13978

2-0088-003

F

12

29,652,799–30,199,507 (547)

Pathogenic (MOSAIC)

De novo

ASD

-0.00441

3-0406-000

M

1.2

29,581,764–30,199,579 (618)

Pathogenic

Unknown

ASD

0.07735

6-0196-03

M

Unknown

29,500,084–30,098,210 (598)

Pathogenic

Unknown

ASD

0.04815

1-0616-003

M

7.5

28,751,255–28,952,351 (201)

Not determined*

Maternal

ASD

− 0.11936

Sample ID

Sex

Age (years)

CHD8 variant nucleotide change; amino acid change (Exon #)

Diagnostic classification (pathogenic, benign, variant of unknown significance [VUS])

Inheritance

ASD status

CHD8+/− score

14406.p1

M

13

c.7493_7495del; p.His2498del (37)

VUS

De novo

ASD

− 0.03482

1-0494-003

M

4.75

c.2219A>G; p.Asn740Ser (9)

Benign

Paternal

ASD

− 0.04451

2-1228-003

F

4.5

c.6841C>G; p.Pro2281Ala (34)

Benign

Paternal

ASD

− 0.04178

1-0277-003

M

Unknown

c.6565G>A; p.Gly2189Arg (33)

Benign

Maternal

ASD

− 0.03065

1-0507-003

F

14

c.3940G>A; p.Ala1314Thr (19)

Benign

Maternal

ASD

− 0.05507

7-0167-003

M

4

c.7499A>C; p.His2500Pro (37)

Benign

Unknown

ASD

− 0.05984

1-0559-003

M

7.7

c.6148dupA; p.Thr2050fs (31)

Pathogenic

De novo

ASD

0.0437

CHD8-V1

M

10

c.4215G>T; Synonymous (21)

VUS

Paternal

ASD

− 0.04478

CHD8-V2 (father of CHD8-V1)

M

40

c.4215G>T; Synonymous (21)

VUS

Not applicable

Unaffected

− 0.04332

CHD8-V3**

M

6.5

c.6649C>T, p.Arg2217* (33)

Pathogenic

Paternal

ASD

0.04616

CHD8-V4 (sibling of CHD8-V3)**

M

14

c.6649C>T, p.Arg2217* (33)

Pathogenic

Paternal

ASD

0.03631

DW0013**

M

13.5

c.6947delC, p.Pro2316Leufs*39 (35)

Likely pathogenic

Unknown

ASD

0.05183

EX0070-W**

M

6.75

c.4327C>T, p.Arg1443Cys (21)

VUS

Paternal

ASD

− 0.04131

  1. *Deletion encompassing SH2B1 gene, not overlapping 16p11.2del typical deletion region
  2. **Test case data are from EPIC array, classified using 93 probes overlapping 450K and EPIC arrays from CHD8+/− signature