Table 3. Summary of variants identified in the patients.
Patient | Gene | DNA sequence change | Predicted change on protein level | dbSNP ID | Prediction of pathogenity | Inheritance | Clinical diagnosis | Genetic diagnosis | Agreement of clinical and genetic diagnosis |
---|---|---|---|---|---|---|---|---|---|
1 | TMEM67 | NM_153704.6:c.1843T>C | p.(Cys615Arg) | rs201893408 | Likely Pathogenic | P | ARPKD | NPHP11 | No |
TMEM67 | NM_153704.6:c.1843T>C | p.(Cys615Arg) | rs201893408 | Likely Pathogenic | M | ||||
2 | PKD1 | NM_001009944.3:c.6965C>T | p.(Thr2322Met) | rs564570407 | -- | -- | ADPKD–VEO | Unknown | No |
NEK8 | NM_178170.3:c.133C>T | p.(Arg45Trp) | rs1567759130 | -- | -- | ||||
COQ8B | NM_024876.4:c.767C>A | p.(Ala256Glu) | rs201827222 | -- | -- | ||||
3 | PKHD1 a | NM_138694.4:c.5895dupA | p.(Leu1966ThrfsTer4) | rs746838237 | Pathogenic | P | ARPKD | ARPKD | Yes |
PKHD1 a | NM_138694.4:c.8114delG | p.(Gly2705ValfsTer11) | rs774050795 | Pathogenic | M | ||||
4 | PKHD1 a | NM_138694.4:c.107C>T | p.(Thr36Met) | rs137852944 | Likely Pathogenic | M | ARPKD | ARPKD | Yes |
PKHD1 a | NM_138694.4:c.7561_7568delGCAGCAAT | p.(Ala2521PhefsTer60) | N/A | Pathogenic | -- | ||||
5 | PKHD1 a | NM_138694.4:c.107C>T | p.(Thr36Met) | rs137852944 | Likely Pathogenic | M | ARPKD | ARPKD | Yes |
PKHD1 a | NM_138694.4:c.10658T>C | p.(Ile3553Thr) | rs137852948 | P | |||||
6 | PKHD1 a | NM_138694.4:c.8114delG | p.(Gly2705ValfsTer11) | rs774050795 | Pathogenic | P | ARPKD | Unknown | No |
7 | PKHD1 a | NM_138694.4:c.4870C>T | p.(Arg1624Trp) | rs200391019 | Uncertain Significance | P | ARPKD | ARPKD | Yes |
PKHD1 a | NM_138694.4:c.5323C>T | p.(Arg1775Ter) | rs770522674 | Pathogenic | M | ||||
8 | KIF7 | NM_198525.3:c.2227C>T | p.(Gln743Ter) | N/A | -- | -- | ARPKD | Bilateral blastema nephroblastoma | No |
GLIS2 | NM_032575.2:c.737G>A | p.(Arg246His) | rs770824489 | -- | -- | ||||
9 | PKD1 | NM_001009944.3:c.5653dupG | p.(Glu1885GlyfsTer105) | N/A | Pathogenic | M | ADPKD | ADPKD | Yes |
10 | ------ | ARPKD, MRKH syndrome | Unknown | No | |||||
11 | HNF1B | whole gene deletion | M | RCAD syndrome | RCAD syndrome | Yes | |||
12 | PKHD1 | NM_138694.4:c.920T>C | p.(Ile307Thr) | rs1288017883 | Likely Pathogenic | -- | ARPKD | Unknown | No |
ACTN4 | NM_004924.6:c.1279G>A | p.(Ala427Thr) | rs201128110 | -- | -- | ||||
13 | HNF1B | NM_000458.4:c.523A>T | p.(Lys175Ter) | N/A | Pathogenic | -- | RCAD syndrome | RCAD syndrome | Yes |
14 | TMEM67 | NM_153704.6:c.1843T>C | p.(Cys615Arg) | rs201893408 | Likely Pathogenic | In trans | ARPKD | NPHP11 | No |
TMEM67 | NM_153704.6:c.1815_1831del | p.(Gln605HisfsTer17) | N/A | Pathogenic | In trans | ||||
15 | PKHD1 | NM_138694.4:c.107C>T | p.(Thr36Met) | rs137852944 | Likely Pathogenic | P | ARPKD | ARPKD | Yes |
PKHD1 | NM_138694.4:c.8114delG | p.(Gly2705ValfsTer11) | rs774050795 | Pathogenic | -- | ||||
16 | PKHD1 | NM_138694.4:c.2725C>T | p.(Arg909Ter) | rs727504089 | Pathogenic | -- | ARPKD | ARPKD | Yes |
PKHD1 | NM_138694.4:c.8870T>C | p.(Ile2957Thr) | rs760222236 | Likely Pathogenic | M | ||||
17 | PKHD1 | NM_138694.4:c.4403T>C | p.(Leu1468Pro) | rs140331370 | Likely Pathogenic | P | ARPKD | ARPKD | Yes |
PKHD1 | NM_138694.4:c.8870T>C | p.(Ile2957Thr) | rs760222236 | Likely Pathogenic | M | ||||
18 | PKHD1 | NM_138694.4:c.5323C>T | p.(Arg1775Ter) | rs770522674 | Pathogenic | M | ARPKD | ARPKD | Yes |
PKHD1 | NM_138694.4:c.5060T>C | p.(Ile1687Thr) | rs794727566 | Pathogenic | P | ||||
19 | PKHD1 | NM_138694.4:c.107C>T | p.(Thr36Met) | rs137852944 | Likely Pathogenic | M | ARPKD | Unknown | No |
ZNF423 | NM_015069.4:c.1144T>C | p.(Ser322Pro) | rs142835239 | Likely Benign | -- | ||||
20 | TMEM67 | NM_153704.6:c.1843T>C | p.(Cys615Arg) | rs201893408 | Likely Pathogenic | P | ARPKD | NPHP11 | No |
TMEM67 | NM_153704.6:c.1843T>C | p.(Cys615Arg) | rs201893408 | Likely Pathogenic | M | ||||
21 | PKHD1 | NM_138694.4:c.107C>T | p.(Thr36Met) | rs137852944 | Likely Pathogenic | P | ARPKD | ARPKD | Yes |
PKHD1 | NM_138694.4:c.9719G>A | p.(Arg3240Gln) | rs146649803 | Likely Pathogenic | M | ||||
22 | PKD1 | NM_001009944.3:c.12442G>T | p.(Glu4148Ter) | N/A | Pathogenic | De novo | ADPKD-VEO | ADPKD | Yes |
PKD1 | NM_001009944.3:c.11084A>G | p.(His3695Arg) | N/A | -- | M | ||||
23 | PKHD1 | NM_138694.4:c.664A>G | p.(Ile222Val) | rs369925690 | Likely Pathogenic | P | ARPKD | ARPKD | Yes |
PKHD1 | NM_138694.4:c.100G>A | p.(Gly34Arg) | N/A | Uncertain Significance | M | ||||
24 | TMEM67 | NM_153704.6:c.1843T>C | p.(Cys615Arg) | rs201893408 | Likely Pathogenic | -- | ARPKD | NPHP11 | No |
TMEM67 | NM_153704.6:c.1843T>C | p.(Cys615Arg) | rs201893408 | Likely Pathogenic | -- | ||||
25 | BBS1 | NM_024649.5:c.46_47delAG | p.(Ser16GlnfsTer2) | rs1291184039 | Pathogenic | P | BBS | BBS | Yes |
BBS1 | NM_024649.5:c.1660_1661delAG | p.(Leu555GlnfsTer2) | rs1209299063 | Pathogenic | M | ||||
26 | PKHD1 | NM_138694.4:c.8870T>C | p.(Ile2957Thr) | rs760222236 | Likely Pathogenic | P | ADPKD | Unknown | No |
TMEM237 | NM_001044385.3:c.52C>T | p.(Arg18Ter) | rs199469707 | -- | M | ||||
27 | PKD1 | NM_001009944.3:c.10619-2A>G | N/A | Pathogenic | de novo | ADPKD | ADPKD | Yes | |
28 | PKD1 | NM_001009944.3:c.6090delC | p.(Val2031TrpfsTer85) | N/A | Pathogenic | de novo | ARPKD | ADPKD | No |
29 | NPHP1 | Deletion of whole gene | -- | NPHP | NPHP1 | Yes | |||
NPHP1 | Deletion of whole gene | -- | |||||||
30 | AGXT | NM_000030.3:c.33dupC | p.(Lys12GlnfsTer156) | rs180177201 | -- | -- | RCAD syndrome | Unknown | No |
RET | NM_020975.6:c.2372A>T | p.(Tyr791Phe) | rs77724903 | -- | -- | ||||
31 | FREM1 | NM_144966.5:c.3359A>T | p.(Gln1120Leu) | rs143844459 | -- | -- | ADPKD | Unknown | No |
FREM1 | NM_144966.5:c.3331C>T | p.(His1111Tyr) | rs200339767 | -- | -- |
ADPKD, autosomal dominant polycystic kidney disease; ARPKD, autosomal recessive polycystic kidney disease; BBS, Bardet-Biedl syndrome; M, maternal; MRKH, Mayer-Rokitansky-Kuster-Hauser syndrome; NPHP, nephronophthisis; P, paternal; RCAD, renal cysts and diabetes syndrome; VEO, very early onset.
Pathogenicity predictions was generated by VarSome [24] according to the ACMG guidelines [27]. Additional variants without clear significance on phenotype are in italics.
a The results were already published in [29]