rs192630178
Variant summary
Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_StrongBP6_Moderate
The NM_000363.5(TNNI3):c.373-15C>T variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000549 in 1,457,468 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).
Frequency
Genomes: not found (cov: 31)
Exomes 𝑓: 0.0000055 ( 0 hom. )
Consequence
TNNI3
NM_000363.5 splice_polypyrimidine_tract, intron
NM_000363.5 splice_polypyrimidine_tract, intron
Scores
2
Clinical Significance
Conservation
PhyloP100: 0.150
Genes affected
TNNI3 (HGNC:11947): (troponin I3, cardiac type) Troponin I (TnI), along with troponin T (TnT) and troponin C (TnC), is one of 3 subunits that form the troponin complex of the thin filaments of striated muscle. TnI is the inhibitory subunit; blocking actin-myosin interactions and thereby mediating striated muscle relaxation. The TnI subfamily contains three genes: TnI-skeletal-fast-twitch, TnI-skeletal-slow-twitch, and TnI-cardiac. This gene encodes the TnI-cardiac protein and is exclusively expressed in cardiac muscle tissues. Mutations in this gene cause familial hypertrophic cardiomyopathy type 7 (CMH7) and familial restrictive cardiomyopathy (RCM). Troponin I is useful in making a diagnosis of heart failure, and of ischemic heart disease. An elevated level of troponin is also now used as indicator of acute myocardial injury in patients hospitalized with moderate/severe Coronavirus Disease 2019 (COVID-19). Such elevation has also been associated with higher risk of mortality in cardiovascular disease patients hospitalized due to COVID-19. [provided by RefSeq, Aug 2020]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -6 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.84).
BP6
?
Variant 19-55154221-G-A is Benign according to our data. Variant chr19-55154221-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 511911.Status of the report is criteria_provided_single_submitter, 1 stars.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
TNNI3 | NM_000363.5 | c.373-15C>T | splice_polypyrimidine_tract_variant, intron_variant | ENST00000344887.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
TNNI3 | ENST00000344887.10 | c.373-15C>T | splice_polypyrimidine_tract_variant, intron_variant | 1 | NM_000363.5 | P1 |
Frequencies
GnomAD3 genomes ? Cov.: 31
GnomAD3 genomes
?
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31
GnomAD3 exomes AF: 0.00000408 AC: 1AN: 245038Hom.: 0 AF XY: 0.00000750 AC XY: 1AN XY: 133414
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GnomAD4 exome AF: 0.00000549 AC: 8AN: 1457468Hom.: 0 Cov.: 32 AF XY: 0.00000827 AC XY: 6AN XY: 725214
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GnomAD4 genome ? Cov.: 31
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ClinVar
Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
not specified Benign:1
Likely benign, criteria provided, single submitter | clinical testing | GeneDx | Sep 06, 2017 | This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. - |
Computational scores
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Name
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
RBP_binding_hub_radar
RBP_regulation_power_radar
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at