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Table 4 Functional classification of 10 genes sharing putative pathogenic variants in at least two trios

From: Whole exome sequencing in three families segregating a pediatric case of sarcoidosis

Trios

Gene

Chr.

Position

Variant

QUAL

Depth

Annotation

Reference

SIFT

Polyphen

Alamut

EXaC

Autophagy and Intracellular Trafficking

 T1 + T2 (homoz)

Sec16A

9

139368953

SNP

28,526

23,786

602

430

c.3115C > T

p.Arg1039Cys

(NM_014866.1)

rs3812594

0.14

0.689 *

Class3

Unknown

Exon skip?

0.21

 T1 + T3 (homoz)

AP5B1

11

65,547,333

SNP

15,898

27,369

187

219

c.631C > T

p.Leu211Phe

(NM_138368.4)

rs12146493

0 *

0.999 *

Class 3

Exon skip

0.29

 T1 + T2 (c/het)

RREB1

6

7231843

7246998

7230680

7247344

SNP (T1p)

SNP (T1 m)

SNP (T2p)

SNP (T2 m)

2748

6191

33,331

14,853

226

202

371

173

c.3511G > A

p.Asp1171Asn

(NM_001003698.3)

c.4150G > A

p.Gly1384Arg

(NM_001003698.3)

c.2348G > T

p.Gly783Val

(NM_001003698.3)

c.4496C > A

p.Ser1499Tyr

(NM_001003698.3)

rs9379084

rs2281833

rs9502564

rs35742417

0 *

0.12

0.06

0.01 *

0.999 *

0

0.156

0.025

Class3

Unknown

Exon skip?

nd

nd

Class3

Unknown

Exon skip?

0.11

0.27

0.44

0.14

G-Proteins Regulation

 T1 (homoz)

OBSCN

1

228505204

SNP

11,933

256

c.16472G > A

p.Arg5491His

(NM_001271223.2)

rs4653942

0 *

0.91 *

Class3

Unknown

0.26

 T3 (homoz)

  

228494790

SNP

39,725

479

c.14986G > A

p.Gly4996Arg

(NM_001271223.2)

rs435776

0.01 *

0.939 *

Class 3

Unknown

0.41

 T2 (de novo)

CTNND2

5

10981914

SNP

299

111

c.3388G > A

p.Ala1130Thr

(NM_001332.3)

nd

nd

nd

nd

nd

 T2 + T3 (c/het)

DNAH11

7

21893993

SNP (T2p)

46,459

445

c.11122G > T

p.Val3708Leu

(NM_001277115.1

rs4722064

0.02 *

0.611 *

Class 3

Unknown

0.43

21584693

SNP (T2 m)

1610

159

c.421G > T

p.Asp141Tyr

(NM_001277115.1)

rs72655969

0 *

0.601 *

Class 3

Unknown

0.012

21,628,242

SNP (T3p)

20,259

553

c.1961C > G

p.Ser654Cys

(NM_001277115.1)

rs62441683

0.67

0.02

Class 3

Unknown

0.13

21678643

SNP (T3 m)

19,593

850

c.4904A > G

p.Asp1635Gly

(NM_001277115.1)

rs17144835

0 *

0.783 *

Class 3

Unknown

Exon skip?

0.045

T-Cell Activation and Immune Synapse

 T1 + T3 (c/het)

IDO2

8

39862881

SNP (T1p)

14,321

289

c.742C > T

p.Arg248Trp

(NM_194294.2)

rs10109853

0 *

1 *

Class 3

Unknown

0.48

39873053

SNP (T1 m)

7771

184

c.1195G > A

p.Ala399Thr

(NM_194294.2)

rs72632016

0.57

0.024

Class 3

Unknown

0.06

39872935

SNP (T3p)

21,240

451

c.1077 T > A

p.Tyr359*

(NM_194294.2)

rs4503083

STOP *

STOP *

Truncating

Polymorphism

0.226

39862893

SNP (T3 m)

3510

154

c.754 T > A

p.Ser252Thr

(NM_194294.2)

rs35212142

0.02 *

0.444 *

Class 3

Unknown

0.02

 T1 (de novo)

IGSF3

1

117122285

In frame INS

14,580

191

c.3122_3123insGGA

p.Asp1040_1041insGlu

(NM_001542.3)

rs114915440

IF INS

IF INS

In frame

polymorphism

0.25

Mitosis and Immune Synapse

 T1 (de novo)

SPICE1

3

113172543

SNP

3572

291

c.1912 T > G

p.Ser638Ala

(NM_144718.3)

nd

nd

nd

Unknown

nd

 T1 (homoz)

KNL1 (CASC5)

15

40916237

SNP

57,541

697

c.3853A > G

p.Lys1285Glu

(NM_170589.4)

rs17747633

0.05 *

0.058

Class 3

Unknown

Exon skip?

0.32

 T2 (homoz)

  

40915190

SNP

183,916

368

c.2806A > G

p.Arg936Gly

(NM170589.4)

rs8040502

1

0

Class 3

Unknown

0.24

 T3 (homoz)

  

40914177

SNP

66,997

297

c.1793 T > C

p.Met598Thr

(NM170589.4)

rs11858113

0.01 *

0.006

Class3

Unkown

0.39

  1. Abbreviations: nd not defined, Chr. chromosome, SNP single nucleotide polymorphism, QUAL. a quality parameter measuring the probability p that the observation of the variant is due to chance (for ex: QUAL = n, p = 1/n). INS insertion, DEL deletion, DUP duplication, NM NCBI reference sequence of mRNA, ExAC minor allele frequency as defined in Exome aggregation consortium, SIFT and POLYPHEN scores are indicated in italic bold characters and an asterisk when considered as pathogenic in silico