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Table 1 Demographic, genetic and clinical characteristics of probands

From: Pathogenicity of new BEST1 variants identified in Italian patients with best vitelliform macular dystrophy assessed by computational structural biology

Proband ID

Gender

Agea [years]

Exon/intron

Nucleotide change

Amino acid change

Allele state

dbSNP/ClinVar accession number

Variant classificationb

MAF

New or known variants

Best’s disease stagec

BCVAd

LE

RE

LE

RE

P1

M

50

ex2

c.5C>T

p.(Thr2Ile)

HET

NA

Likely pathogenic

NA

Kinnick (2011)

5

5

0.1

0.4

P2

F

42

ex2

c.11C>T

p.(Thr4Ile)

HET

NA

Likely pathogenic

NA

Tian (2014)

2

2

0

0

P3*

F

13

ex2

c.11C>T

p.(Thr4Ile)

HET

NA

Likely pathogenic

NA

Kinnick (2011)

1

1

0.1

0.1

P4*

M

27

ex2

c.26T>G

p.(Val9Gly)

HET

SCV000599452

Likely pathogenic

NA

NEW

2

2

0

0.6

P5

F

34

ex2

c.44G>A

p.(Gly15Asp)

HET

NA

Likely pathogenic

NA

Querques (2009)

NA

NA

NA

NA

P6

M

22

ex2

c.44G>A

p.(Gly15Asp)

HET

NA

Likely pathogenic

NA

Querques (2009)

3

4

0

0.2

P7

F

13

ex2

c.44G>A

p.(Gly15Asp)

HET

NA

Likely pathogenic

NA

Querques (2009)

0

3

0

0.22

P8*

M

56

ex2

c.47C>T

p.(Ser16Phe)

HET

rs281865210

Likely pathogenic

NA

Marchant (2001)

2

2

0.1

0.7

P9

F

23

ex2

c.74G>A

p.(Arg25Gln)

HET

rs281865215

Likely pathogenic

A = 0.000008 (Topmed)

Marquardt (1998)

4

2

0.5

0

P10

F

47

ex1

c.80G>C

p.(Ser27Thr)

HET

NA

Likely pathogenic

NA

Bernardis (2016)

3

4

0.1

0.2

P11*

F

55

ex2

c.80G>C

p.(Ser27Thr)

HET

NA

Likely pathogenic

NA

Bernardis (2016)

2

2

NA

NA

P12

F

52

ex2

c.80G>C

p.(Ser27Thr)

HET

NA

Likely pathogenic

NA

Bernardis (2016)

3

3

0.7

1

P13*

M

10

ex2

c.86A>G

p.(Tyr29Cys)

HET

NA

Likely pathogenic

NA

Downs (2007)

4

4

0

0

P14

F

27

ex4

c.274C>T

p.(Arg92Cys)

HOM

rs281865224

Pathogenic

NA

Bakall (1999)

NA

NA

NA

NA

P15

M

42

ex4

c.278G>C

p.(Trp93Ser)

HET

NA

Likely pathogenic

NA

Tian (2017)

NA

NA

NA

NA

P16*

M

70

ex4

c.301C>A

p.(Pro101Thr)

HET

rs281865229

Likely pathogenic

NA

Lotery (2000)

4

3

0.5

0

P17

M

26

ex4

c.324C>G

p.(Ser108Arg)

HET

SCV000747137

Vus

NA

NEW

2

2

0.1

1

P18

M

46

ex5

c.535A>G

p.(Asn179Asp)

HET

SCV000599453

Likely pathogenic

NA

NEW

1

2

0.3

0.3

P19

F

13

ex5

c.544T>C

p.(Trp182Arg)

HET

SCV000747139

Vus

NA

NEW

4

4

NA

NA

P20*

M

19

ex5

c.598C>T

p.(Arg200*)

HET

rs121918286

Pathogenic

T = 0.00002/3 (ExAC)

Burgess (2008)

NA

NA

NA

NA

   

ex7

c.728C>A

p.(Ala243Glu)

HET

NA

Likely pathogenic

NA

Fung (2014)

NA

NA

NA

NA

P21*

F

25

ex6

c.652C>T

p.(Arg218Cys)

HET

rs281865238

Pathogenic

NA

Johnson (2013)

2

2

0.1

0

P22

F

13

ex6

c.652C>T

p.(Arg218Cys)

HET

rs281865238

Pathogenic

NA

Johnson (2013)

0

3

0

0.17

P23

M

14

ex6

c.652C>T

p.(Arg218Cys)

HET

rs281865238

Pathogenic

NA

Johnson (2013)

2

2

0.4

0

P24

M

42

ex6

c.652C>A

p.(Arg218Ser)

HET

rs281865238

Likely pathogenic

NA

Bakall (1999)

3

3

0.5

0.4

P25

M

54

ex5

c.695T>A

p.(Ile232Asn)

HET

NA

Likely pathogenic

NA

Wabbels (2006)

3

3

0.6

0.8

P26

M

17

ex6

c.703G>T

p.(Val235Leu)

HET

NA

Likely pathogenic

NA

Marchant (2001)

3

3

0.1

0.1

P27*

F

51

ex7

c.727G>A

p.(Ala243Thr)

HET

rs137853905

Pathogenic

NA

Lotery (2000)

2

2

1

1

P28

M

49

ex7

c.728C>T

p.(Ala243Val)

HET

rs28940570

Pathogenic

T = 0.000008/1 (ExAC)

White (2000)

3

3

0.1

0

P29*

F

43

ex7

c.728C>T

p.(Ala243Val)

HET

rs28940570

Pathogenic

T = 0.000008/1 (ExAC)

White (2000)

3

2

0.2

0.2

P30*

F

50

ex7

c.728C>T

p.(Ala243Val)

HET

rs28940570

Pathogenic

T = 0.000008/1 (ExAC)

White (2000)

NA

NA

NA

NA

P31*

M

9

ex8

c.874G>C

p.(Glu292Gln)

HET

SCV000747140

Likely pathogenic

NA

NEW

2

2

1

1

P32

M

39

ex8

c.888C>G

p.(Asn296Lys)

HET

SCV000802932

Pathogenic

NA

NEW

3

3

0.1

0.3

P33

F

41

ex8

c.888C>A

p.(Asn296Lys)

HET

NA

Pathogenic

NA

Boon (2007)

2

2

0.3

0.3

P34

M

10

ex8

c.893T>G

p.(Phe298Cys)

HET

NA

Likely pathogenic

NA

Meunier (2011)

NA

NA

NA

NA

P35

M

53

ex8

c.893T>G

p.(Phe298Cys)

HET

NA

Likely pathogenic

NA

Meunier (2011)

NA

NA

NA

NA

P36*

M

21

ex8

c.903T>G

p.(Asp301Glu)

HET

rs281865261

Pathogenic

NA

Caldwell (1999)

NA

NA

0

0.6

  1. HET heterozygous, HOM homozygous, rs# single nucleotide polymorphisms identifier as recorded in the Single Nucleotide Polymorphism Database (dbSNP), SCV# novel variants have been registered in the database of genotype–phenotype associations ClinVar, MAF minor allele frequency, New new variant detected in this study, NA not available
  2. aAge of proband at last clinical evaluation
  3. bIn italics, classified in this study according to ACMG Standards and Guidelines; normal, ClinVar last evaluation; VUS, variant of uncertain significance
  4. cBest’s disease stages of left (LE) and right eye (RE) as diagnosed in probands at the age of last clinical evaluation (stages 1 to 5)
  5. dBCVA (best-corrected visual acuity) in logMAR scale (logarithm of Minimum Angle of Resolution), logMAR 0/0 (LE/RE) indicates standard vision, logMAR > 0.5/0.5 indicates low vision, logMAR > 1.3/1.3 m indicates blindness
  6. * Family segregation analysis