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Table 2 Gene variants identified in this study

From: Novel variants identified in five Chinese families with Joubert Syndrome: a case report

Patient No.

Variant

No.

Gene (transcript)

Nucleotide change

Amino acid change

Variant type

ACMG* level (evidence)

1

1

TCTN2

(NM_024809.5)

c.916 C > T

p.Q306*

Nonsense

Pathogenic (PVS1 + PM2-Supporting + PM3)

 

2

c.1147G > T

p.E383*

Nonsense

Likely pathogenic (PVS1 + PM2-Supporting)

2

1

CPLANE1

(NM_023073.4)

c.1819_1820insT

p.Y607Lfs*12

Frameshift

Pathogenic (PVS1 + PM2 + PP5)

 

2

dup exon(34–41)

uncertain

CNV*

Likely pathogenic (PVS1-S + PM2)

3

1

INPP5E

(NM_019892.6)

c.669_670delGC

p.A223Afs*66

Frameshift

Likely pathogenic (PVS1 + PM2)

 

2

c.1393G > A

p.V465I

Missense

Likely pathogenic (PM1 + PM2 + PM3 + PP3)

4

1

NPHP1

(NM_000272.5)

del exon(1–20)

null

CNV*

Pathogenic (PVS1 + PM2 + PM3-Supporting)

5

1

CC2D2A

(NM_001080522.2)

c.2728 C > T

p.R910*,711

Truncation

Likely pathogenic (PVS1 + PM2)

 

2

c.4238G > A

p.C1413Y

Missense

Uncertain significance (PM3 + PP3)

  1. Note: *ACMG: The American College of Medical Genetics and Genomics; *CNV: copy number variant