rs55827759
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Variant summary
Our verdict is Benign. Variant got -16 ACMG points: 0P and 16B. BP6_Very_StrongBS1BS2
The NM_000460.4(THPO):c.229-14_229-13insTTCC 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 0.0344 in 1,613,588 control chromosomes in the GnomAD database, including 1,094 homozygotes. Variant has been reported in ClinVar as Likely benign (★★).
Frequency
Genomes: 𝑓 0.035 ( 113 hom., cov: 32)
Exomes 𝑓: 0.034 ( 981 hom. )
Consequence
THPO
NM_000460.4 splice_polypyrimidine_tract, intron
NM_000460.4 splice_polypyrimidine_tract, intron
Scores
Not classified
Clinical Significance
Conservation
PhyloP100: 1.89
Genes affected
THPO (HGNC:11795): (thrombopoietin) Megakaryocytopoiesis is the cellular development process that leads to platelet production. The main functional protein encoded by this gene is a humoral growth factor that is necessary for megakaryocyte proliferation and maturation, as well as for thrombopoiesis. This protein is the ligand for MLP/C_MPL, the product of myeloproliferative leukemia virus oncogene. Mutations in this gene are the cause of thrombocythemia 1. Alternative promoter usage and differential splicing result in multiple transcript variants differing in the 5' UTR and/or coding region. Multiple AUG codons upstream of the main open reading frame (ORF) have been identified, and these upstream AUGs inhibit translation of the main ORF at different extent. [provided by RefSeq, Feb 2014]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -16 ACMG points.
BP6
Variant 3-184373595-T-TGGAA is Benign according to our data. Variant chr3-184373595-T-TGGAA is described in ClinVar as [Likely_benign]. Clinvar id is 256212.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0351 (5341/152076) while in subpopulation AFR AF= 0.0438 (1816/41476). AF 95% confidence interval is 0.0421. There are 113 homozygotes in gnomad4. There are 2590 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 113 AD,AR gene
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
THPO | NM_000460.4 | c.229-14_229-13insTTCC | splice_polypyrimidine_tract_variant, intron_variant | ENST00000647395.1 | NP_000451.1 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
THPO | ENST00000647395.1 | c.229-14_229-13insTTCC | splice_polypyrimidine_tract_variant, intron_variant | NM_000460.4 | ENSP00000494504 | P2 |
Frequencies
GnomAD3 genomes AF: 0.0351 AC: 5327AN: 151958Hom.: 113 Cov.: 32
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GnomAD3 exomes AF: 0.0300 AC: 7520AN: 250498Hom.: 134 AF XY: 0.0302 AC XY: 4096AN XY: 135454
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GnomAD4 exome AF: 0.0344 AC: 50227AN: 1461512Hom.: 981 Cov.: 33 AF XY: 0.0342 AC XY: 24851AN XY: 727064
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GnomAD4 genome AF: 0.0351 AC: 5341AN: 152076Hom.: 113 Cov.: 32 AF XY: 0.0348 AC XY: 2590AN XY: 74370
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ClinVar
Significance: Benign/Likely benign
Submissions summary: Benign:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link
Submissions by phenotype
not provided Benign:2
Benign, criteria provided, single submitter | clinical testing | Labcorp Genetics (formerly Invitae), Labcorp | Jan 29, 2024 | - - |
Likely benign, criteria provided, single submitter | clinical testing | GeneDx | Jan 20, 2019 | - - |
not specified Benign:1
Benign, criteria provided, single submitter | clinical testing | PreventionGenetics, part of Exact Sciences | - | - - |
Thrombocythemia 1 Benign:1
Likely benign, criteria provided, single submitter | clinical testing | Illumina Laboratory Services, Illumina | Jun 14, 2016 | - - |
Computational scores
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Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at