Skip to main content

Table 2 Genetic results of the patients

From: Turkish pediatric atypical hemolytic uremic syndrome registry: initial analysis of 146 patients

Gene

Screened n (%)a

Variation n (%)b

Variant (dbSNP database)

Predicted aminoacid change

Zygosity

MAF_1000G

MAF_ESP 6500

SIFT predictionc (score)

PolyPhen predictiond (score)

Mutation Taster predictione (score)

HSF predictionf

Ref

CFH (NM_000186.3)

 

64 (56.6)

5 (7.8)

          
   

c.3530A>G

p.Tyr1177Cys

Hom

NR

NR

Tolarated (0.19)

Probably damaging (0.996)

Polymorphism (0.99)

NA

[22]

   

c.2850G>T (rs149474608)

p.Gln950His

Het

<0.01

<0.01

Deleterious (0.049)

Probably damaging (0.96)

Polymorphism (0.99)

NA

[26]

   

c.2127_2129del

p.Tyr711del

Het

NR

NR

NA

NA

Disease causing (0.54)

NA

Novel

   

c.3148A>T (rs35274867)

p.Asn1050Tyr

Het

0.01

0.01

Tolarated (0.08)

Benign (0.016)

Polymorphism (0.99)

NA

[27]

   

c.3133+1G>A

Splice site

Het

NR

NR

NA

NA

N/A

Broken WT Donor Site

Novel

CFI (NM_000204.3)

 

69 (61.0)

1 (1.4)

          
   

c.608C>T (rs138346388)

p.Thr203Ile

Het

<0.01

<0.01

Tolarated (0.16)

Benign (0.051)

Polymorphism (0.99)

NA

[28]

MCP (NM_002389)

 

49 (43.3)

7 (14.2)

          
   

c.535G>C (rs779174212)

p.Glu179Gln

Hom

<0.01

<0.01

Tolarated (0.33)

Benign (0.023)

Polymorphism (0.99)

NA

[29]

   

c.841C>T

p.Pro281Ser

Hom

NR

NR

Damaging (0)

Probably damaging (0.99)

Disease causing (0.85)

NA

Novel

   

c.841C>T

p.Pro281Ser

Het

NR

NR

Damaging (0)

Probably damaging (0.99)

Disease causing (0.85)

NA

Novel

   

c.476-2A>G

Splice site

Hom

NR

NR

NA

NA

NA

Broken WT Acceptor Site

Novel

   

c.476-2A>G

Splice site

Hom

NR

NR

NA

NA

NA

Broken WT Acceptor Site

Novel

   

c.286+2T>G

Splice site

Hom

NR

NR

NA

NA

NA

Broken WT Donor Site

[30]

   

c.1027+5G>T

Splice site

Hom

NR

NR

NA

NA

NA

Broken WT Donor Site

[31]

CFB (NM_001710)

 

62 (54.8)

1 (1.6)

          
   

c.125T>C

p.Val42Ala

Het

NR

NR

Tolarated (0.19)

Benign (0.12)

Disease causing (0.94)

NA

Novel

C3 (NM_000064)

 

35 (30.9)

4 (11.4)

          
   

c.537_539del

p.Leu180del

Het

NR

NR

NA

NA

Polymorphism (0.99)

NA

Novel

   

c.3125G>T

p.Arg1042Leu

Het

NR

NR

Damaging (0.03)

Probably damaging (0.99)

Disease causing (0.99)

NA

[17]

   

c.4148C>A (rs139100972)

p.Thr1383Asn

Het

NR

<0.01

Tolarated (0.5)

Benign (0.36)

Polymorphism (0.99)

NA

[3]

   

c.1976-6C>T

Splice site

Het

NR

NR

NA

NA

NA

Probably no impact

Novel

DGKE(NM_003647)

 

67 (59.2)

6 (8.9)

          
   

c. 1009C>T (rs762576212)

p.Arg337Stop

Hom

NR

<0.01

NA

NA

Disease causing (1)

NA

in dbSNP

   

c.118_121dup

p.Ser41Metfs*2

Hom

NR

NR

NA

NA

Disease causing (1)

NA

Novel

   

c.607_610del

p.Lys203Glnfs*6

Hom

NR

NR

NA

NA

Disease causing (1)

NA

Novel

   

c.263_264insGGG

p.Asp88Glufs*84

C-Het

NR

NR

NA

NA

Disease causing

NA

Novel

   

CGCCA/c.76del

p.Thr26Argfs*143

 

NR

NR

NA

NA

Disease causing

(1)

 

Novel

   

c. 427C>T

p.Gln143Stop

C-Het

NR

NR

NA

NA

Disease causing

NA

Novel

   

c.1133C>G

p.Pro378Arg

 

NR

<0.01

Damaging (0)

Possibly damaging (0.93)

Disease causing (1)

 

Novel

   

c.793A>C

p.Thr265Pro

Het

NR

NR

Tolarated (0.08)

Benign (0.43)

Disease causing (0.99)

NA

Novel

Combined genetic abnormalities

CFH

  

c.3644G>A (rs121913051)

p.Arg1215Gln

Het

NR

NR

Tolarated (0.19)

Probably damaging (0.99)

Polymorphism (0.99)

NA

[32]

CFB

  

c.1135C>T

p.Arg379Cys

Het

NR

NR

Damaging (0.01)

Probably damaging (0.99)

Polymorphism (0.97)

NA

Novel

CFB

  

c.1050G>T

p.Lys350Asn

C-Het

NR

NR

T olarated (0.14)

Probably damaging (0.99)

Polymorphism (0.81)

NA

[33]

   

c.1697A>C (rs45484591)

p.Glu566Ala

 

0.01

0 . 0 1

Tolarated (0.73)

Benign (0)

Polymorphism (0.99)

NA

[34]

Heterozygous CFHR1-3 deletion

CFB

  

c.397G>A

p.Asp133Asn

Het

NR

NR

Damaging (0.05)

Benign (0.014)

Polymorphism (0.7)

NA

Novel

Anti-CFH antibody associated with homozygous CFHR1-3 deletion

CFHR5 (NM_030787)

  

c.53dup

p.Glu19Argfs*6

Het

NR

NR

NA

NA

Disease causing (1)

NA

Novel

Anti-CFH antibody associated with homozygous CFHR1-3 deletion

  1. aof the 113 patients whose DNA samples were avaliable, bof the analyses that were performed
  2. cSorting Tolerant From Intolerant (SIFT) (http://sift.jcvi.org); dPolymorphism Phenotyping v2 (http://genetics.bwh.harvard.edu/pph2/index.shtml);
  3. eMutation taster (http://www.mutationtaster.org);fHuman Splicing Finder (http://www.umd.be/HSF3/index.html)
  4. Variations and predicted aminoacid changes have been named according to the guidelines of the Human Genome Variation Society using Mutalyzer software (https://mutalyzer.nl)
  5. C-Het, compound heterozygous; Het, heterozygous; Hom, homozygous; NA, not applicable; NR, not reported; WT, wild-type
  6. MAF-1000G, minor allele frequency based on 1000 Genomes Project
  7. MAF-6500, minor allele frequency based on 6503 samples collected at NHLBI Exome Sequencing Project and data from 60.706 individuals aggregated by the Exome Aggregation
  8. Consortium (ExAC; http://exac.broadinstitute.org); (accessed October 2016)