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Table 3 Pathogenic variants identified by the NGS analysis in this study. Variants identified by the NGS panel

From: Targeted next generation sequencing with an extended gene panel does not impact variant detection in mitochondrial diseases

Patient N°

Age-ranges onset (years) / sex

Gene

Nucleotide change

Protein change

Trait

Concordant phenotype

ExAC frequency

SIFT score

Polyphen 2

Variant reported

Notes

References

6

NN / F

AGK

c.412C > T / c.412C > T

p.Arg138*

AR

Yes

0

NA

NA

Yes

Csg; parents: htz

Mayr et al., 2012 [36]

7

NN / M

ETHE1

c.608C > T / c.554 T > G

p.Ser203Phe / p.Leu185Arg

AR

Yes

< 0.01% < 0.01%

0.0 0.0

0.975 1

No Yes

Parents: htz

Tiranti et al., 2005 [37]

10

NN / F

DNAJC19

c.51delT / c.51delT

p.Phe17Leufs*10

AR

Yes

0

NA

NA

No

13

1–16 / M

SDHAF1

c.164G > C / c.164G > C

p.Arg55Pro

AR

Yes

0

0.0

1.0

Yes

Parents: htz

Ghezzi et al., 2009 [38]

15

1–16 / M

TK2

c.343C > T / c.323C > T

p.Leu115Phe / p.Thr108Met

AR

Yes

0 < 0.01%

0.0 0.2

1 1

No Yes

Parents: htz

Béhin et al., 2012 [39]

29

> 16 / F

TWNK

c.1363A > G

p.Met455Val

AD

Yes

0

0.0

0.996

No

43

> 16 / F

TYMP

c.1112 T > C / c.1112 T > C

p.Leu371Pro

AR

Yes

0

0.18

0.999

Yes

Kocaefe et al., 2003 [40]

68

> 16 / M

OPA1

c.1892_1893delAT

p.His631Argfs*3

AD

Yes

0

NA

NA

Yes

Ferré et al., 2009 [41]

  1. Mutation Taster predicted all variants to be disease causing; NN neonatal, AR autosomal recessive, AD autosomal dominant, htz heterozygous, NA not available, Csg consanguinity
  2. *stop codon