rs1800853

Variant summary

Our verdict is Benign. The variant received -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_000352.6(ABCC8):​c.4120-19C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00757 in 1,561,592 control chromosomes in the GnomAD database, including 192 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.014 ( 35 hom., cov: 33)
Exomes 𝑓: 0.0069 ( 157 hom. )

Consequence

ABCC8
NM_000352.6 intron

Scores

2

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:12

Conservation

PhyloP100: 0.797

Publications

7 publications found
Variant links:
Genes affected
ABCC8 (HGNC:59): (ATP binding cassette subfamily C member 8) The protein encoded by this gene is a member of the superfamily of ATP-binding cassette (ABC) transporters. ABC proteins transport various molecules across extra- and intra-cellular membranes. ABC genes are divided into seven distinct subfamilies (ABC1, MDR/TAP, MRP, ALD, OABP, GCN20, White). This protein is a member of the MRP subfamily which is involved in multi-drug resistance. This protein functions as a modulator of ATP-sensitive potassium channels and insulin release. Mutations in the ABCC8 gene and deficiencies in the encoded protein have been observed in patients with hyperinsulinemic hypoglycemia of infancy, an autosomal recessive disorder of unregulated and high insulin secretion. Mutations have also been associated with non-insulin-dependent diabetes mellitus type II, an autosomal dominant disease of defective insulin secretion. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Jul 2020]
ABCC8 Gene-Disease associations (from GenCC):
  • hyperinsulinemic hypoglycemia, familial, 1
    Inheritance: AD, AR, SD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Illumina, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
  • diabetes mellitus, permanent neonatal 3
    Inheritance: AR, SD, AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), Genomics England PanelApp, Ambry Genetics
  • familial hyperinsulinism
    Inheritance: AR Classification: DEFINITIVE Submitted by: Myriad Women’s Health
  • diabetes mellitus
    Inheritance: SD Classification: DEFINITIVE Submitted by: Ambry Genetics
  • monogenic diabetes
    Inheritance: SD Classification: DEFINITIVE Submitted by: ClinGen
  • diabetes mellitus, noninsulin-dependent
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • hypoglycemia, leucine-induced
    Inheritance: AD Classification: STRONG Submitted by: Genomics England PanelApp
  • transient neonatal diabetes mellitus
    Inheritance: AD Classification: STRONG, SUPPORTIVE Submitted by: Orphanet, Genomics England PanelApp
  • permanent neonatal diabetes mellitus
    Inheritance: AR, AD Classification: STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Orphanet
  • diabetes mellitus, transient neonatal, 2
    Inheritance: Unknown, AD Classification: STRONG Submitted by: Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
  • pulmonary arterial hypertension
    Inheritance: AD Classification: MODERATE Submitted by: ClinGen
  • autosomal dominant hyperinsulinism due to SUR1 deficiency
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • DEND syndrome
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • diazoxide-resistant focal hyperinsulinism due to SUR1 deficiency
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • maturity-onset diabetes of the young
    Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
  • autosomal recessive hyperinsulinism due to SUR1 deficiency
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
  • type 2 diabetes mellitus
    Inheritance: AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.8).
BP6
Variant 11-17395949-G-A is Benign according to our data. Variant chr11-17395949-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 35612.
BS1
Variant frequency is greater than expected in population amr. GnomAd4 allele frequency = 0.0141 (2143/152352) while in subpopulation AMR AF = 0.0292 (447/15312). AF 95% confidence interval is 0.027. There are 35 homozygotes in GnomAd4. There are 1065 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 35 AR,AD,Unknown,SD gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ABCC8NM_000352.6 linkc.4120-19C>T intron_variant Intron 33 of 38 ENST00000389817.8 NP_000343.2 Q09428-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ABCC8ENST00000389817.8 linkc.4120-19C>T intron_variant Intron 33 of 38 1 NM_000352.6 ENSP00000374467.4 Q09428-1

Frequencies

GnomAD3 genomes
AF:
0.0140
AC:
2128
AN:
152234
Hom.:
34
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0274
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0291
Gnomad ASJ
AF:
0.0118
Gnomad EAS
AF:
0.0258
Gnomad SAS
AF:
0.0240
Gnomad FIN
AF:
0.000282
Gnomad MID
AF:
0.0316
Gnomad NFE
AF:
0.00298
Gnomad OTH
AF:
0.0201
GnomAD2 exomes
AF:
0.0177
AC:
2943
AN:
165810
AF XY:
0.0168
show subpopulations
Gnomad AFR exome
AF:
0.0273
Gnomad AMR exome
AF:
0.0509
Gnomad ASJ exome
AF:
0.0111
Gnomad EAS exome
AF:
0.0256
Gnomad FIN exome
AF:
0.000327
Gnomad NFE exome
AF:
0.00318
Gnomad OTH exome
AF:
0.0161
GnomAD4 exome
AF:
0.00687
AC:
9684
AN:
1409240
Hom.:
157
Cov.:
31
AF XY:
0.00727
AC XY:
5062
AN XY:
695900
show subpopulations
African (AFR)
AF:
0.0291
AC:
951
AN:
32674
American (AMR)
AF:
0.0483
AC:
1812
AN:
37486
Ashkenazi Jewish (ASJ)
AF:
0.0104
AC:
263
AN:
25212
East Asian (EAS)
AF:
0.0309
AC:
1143
AN:
37034
South Asian (SAS)
AF:
0.0255
AC:
2045
AN:
80196
European-Finnish (FIN)
AF:
0.000325
AC:
16
AN:
49234
Middle Eastern (MID)
AF:
0.0239
AC:
136
AN:
5700
European-Non Finnish (NFE)
AF:
0.00243
AC:
2638
AN:
1083378
Other (OTH)
AF:
0.0117
AC:
680
AN:
58326
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.492
Heterozygous variant carriers
0
678
1356
2033
2711
3389
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
166
332
498
664
830
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0141
AC:
2143
AN:
152352
Hom.:
35
Cov.:
33
AF XY:
0.0143
AC XY:
1065
AN XY:
74500
show subpopulations
African (AFR)
AF:
0.0274
AC:
1139
AN:
41574
American (AMR)
AF:
0.0292
AC:
447
AN:
15312
Ashkenazi Jewish (ASJ)
AF:
0.0118
AC:
41
AN:
3472
East Asian (EAS)
AF:
0.0260
AC:
135
AN:
5184
South Asian (SAS)
AF:
0.0236
AC:
114
AN:
4822
European-Finnish (FIN)
AF:
0.000282
AC:
3
AN:
10628
Middle Eastern (MID)
AF:
0.0340
AC:
10
AN:
294
European-Non Finnish (NFE)
AF:
0.00298
AC:
203
AN:
68040
Other (OTH)
AF:
0.0241
AC:
51
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.498
Heterozygous variant carriers
0
105
210
314
419
524
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
24
48
72
96
120
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0113
Hom.:
9
Bravo
AF:
0.0173
Asia WGS
AF:
0.0550
AC:
191
AN:
3478

ClinVar

Significance: Conflicting classifications of pathogenicity
Submissions summary: Uncertain:1Benign:12
Revision: criteria provided, conflicting classifications
LINK: link

Submissions by phenotype

not provided Benign:4
Feb 02, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Sep 20, 2023
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Oct 24, 2018
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is associated with the following publications: (PMID: 16429405, 33410562, 27884173) -

Jan 01, 2025
CeGaT Center for Human Genetics Tuebingen
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

ABCC8: BS1, BS2 -

not specified Benign:3
-
Genetic Services Laboratory, University of Chicago
Significance:Likely benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

May 16, 2016
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

Variant summary: The ABCC8 c.4120-19C>T variant involves the alteration of a non-conserved intronic nucleotide. One in silico tool predicts a benign outcome for this variant. This variant was found in 604/26462 control chromosomes (11 homozygotes) at a frequency of 0.0228252, which greatly exceeds the estimated maximal expected allele frequency of a pathogenic ABCC8 variant (2.1e-8), suggesting this variant is a benign polymorphism. In addition, one clinical diagnostic laboratory classified this variant as benign. Taken together and based on the prevalence in general population this variant is classified as Benign. -

-
PreventionGenetics, part of Exact Sciences
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Hyperinsulinemia Uncertain:1
-
Clinical Genomics, Uppaluri K&H Personalized Medicine Clinic
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:research

Mutations in ABCC8 gene are associated with both neonatal diabetes mellitus as well as MODY. Patients with this mutation may have a response to sulfonylureas. Although rs1800853 is prevalent in hyperinsulinemic hypoglycemia in infancy, sufficient evidence is not seen to demonstrate the association of this variant with neonatal diabetes or MODY. -

Hereditary hyperinsulinism Benign:1
Sep 16, 2020
Natera, Inc.
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Leucine-induced hypoglycemia Benign:1
Jul 01, 2021
Pars Genome Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Diabetes mellitus, transient neonatal, 2 Benign:1
Jul 01, 2021
Pars Genome Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Hyperinsulinemic hypoglycemia, familial, 1 Benign:1
Jul 01, 2021
Pars Genome Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Diabetes mellitus, permanent neonatal 3 Benign:1
Jul 01, 2021
Pars Genome Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.80
CADD
Benign
6.2
DANN
Benign
0.71
PhyloP100
0.80
Mutation Taster
=100/0
polymorphism (auto)

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs1800853; hg19: chr11-17417496; API