NM_138694.4(PKHD1):c.10858C>T (p.Arg3620Cys) AND Autosomal recessive polycystic kidney disease

Germline classification:: Uncertain significance (2 submissions)
Last evaluated:: Aug 28, 2021
Review status:: 1 star out of maximum of 4 stars
criteria provided, single submitter

Somatic classification of clinical impact:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Somatic classification of oncogenicity:: None
Review status:: (0/4) 0 stars out of maximum of 4 stars
no assertion criteria provided

Record status:: current
Accession:: RCV000699305.4

Allele description [Variation Report for NM_138694.4(PKHD1):c.10858C>T (p.Arg3620Cys)]

NM_138694.4(PKHD1):c.10858C>T (p.Arg3620Cys)

Gene:

PKHD1:PKHD1 ciliary IPT domain containing fibrocystin/polyductin [Gene - OMIM - HGNC]

Variant type:

single nucleotide variant

Cytogenetic location:

6p12.3

Genomic location:

Preferred name:

NM_138694.4(PKHD1):c.10858C>T (p.Arg3620Cys)

HGVS:

NC_000006.12:g.51659268G>A
NG_008753.1:g.433358C>T
NM_138694.4:c.10858C>TMANE SELECT
NP_619639.3:p.Arg3620Cys
NC_000006.11:g.51524066G>A
NM_138694.3:c.10858C>T

Protein change:

R3620C

Links:

dbSNP: rs557405366

NCBI 1000 Genomes Browser:

rs557405366

Molecular consequence:

NM_138694.4:c.10858C>T - missense variant - [Sequence Ontology: SO:0001583]

Condition(s)

Name:: Autosomal recessive polycystic kidney disease (ARPKD)
Synonyms:: POLYCYSTIC KIDNEY AND HEPATIC DISEASE 1; POLYCYSTIC KIDNEY DISEASE, INFANTILE, TYPE I; Polycystic kidney disease, infantile type; See all synonyms [MedGen]
Identifiers:: MONDO: MONDO:0009889; MeSH: D017044; MedGen: C0085548; Orphanet: 731; Orphanet: 8378

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Submission Accession	Submitter	Review Status (Assertion method)	Clinical Significance (Last evaluated)	Origin	Method	Citations
SCV000828010	Labcorp Genetics (formerly Invitae), Labcorp	criteria provided, single submitter (Invitae Variant Classification Sherloc (09022015))	Uncertain significance (Aug 28, 2021)	germline	clinical testing	PubMed (1) [See all records that cite this PMID]
SCV001455053	Natera, Inc.	no assertion criteria provided	Uncertain significance (Sep 16, 2020)	germline	clinical testing

Submission Accession

Submitter

Review Status
(Assertion method)

Clinical Significance
(Last evaluated)

Origin

Method

Citations

SCV000828010

Labcorp Genetics (formerly Invitae), Labcorp

criteria provided, single submitter

(Invitae Variant Classification Sherloc (09022015))

Uncertain significance
(Aug 28, 2021)

germline

clinical testing

PubMed (1)
[See all records that cite this PMID]

SCV001455053

Natera, Inc.

no assertion criteria provided

Uncertain significance
(Sep 16, 2020)

germline

clinical testing

Help

Summary from all submissions

Ethnicity	Origin	Affected	Individuals	Families	Chromosomes tested	Number Tested	Family history	Method
not provided	germline	unknown	not provided	not provided	not provided	not provided	not provided	clinical testing

Citations

PubMed

Sherloc: a comprehensive refinement of the ACMG-AMP variant classification criteria.

Nykamp K, Anderson M, Powers M, Garcia J, Herrera B, Ho YY, Kobayashi Y, Patil N, Thusberg J, Westbrook M; Invitae Clinical Genomics Group., Topper S.

Genet Med. 2017 Oct;19(10):1105-1117. doi: 10.1038/gim.2017.37. Epub 2017 May 11. Erratum in: Genet Med. 2020 Jan;22(1):240. doi: 10.1038/s41436-019-0624-9.

PubMed [citation]

PMID:: 28492532
PMCID:: PMC5632818

Details of each submission

From Labcorp Genetics (formerly Invitae), Labcorp, SCV000828010.2

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	PubMed (1)

Description

This sequence change replaces arginine with cysteine at codon 3620 of the PKHD1 protein (p.Arg3620Cys). The arginine residue is moderately conserved and there is a large physicochemical difference between arginine and cysteine. This variant is not present in population databases (ExAC no frequency). This variant has not been reported in the literature in individuals affected with PKHD1-related conditions. Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance.

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

From Natera, Inc., SCV001455053.1

#	Ethnicity	Individuals	Chromosomes Tested	Family History	Method	Citations
1	not provided	not provided	not provided	not provided	clinical testing	not provided

#	Sample				Method		Observation
#	Origin	Affected	Number tested	Tissue	Purpose	Method	Individuals	Allele frequency	Families	Co-occurrences
1	germline	unknown	not provided	not provided	not provided		not provided	not provided	not provided	not provided

Last Updated: Nov 3, 2024

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