chr2-99105696-GC-G

Position:

• chr2-99105696-GC-G

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 3P and 0B. PM2 PP5

The NM_025244.4(TSGA10):​c.211delG​(p.Ala71fs) variant causes a frameshift, splice region change. The variant was absent in control chromosomes in GnomAD project. 1/1 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Pathogenic (no stars). Variant results in nonsense mediated mRNA decay.

• Frequency: Genomes: not found (cov: 32)
• Consequence: TSGA10 NM_025244.4 frameshift, splice_region
• Clinical Significance: Pathogenic no assertion criteria provided P:1
• Conservation: PhyloP100: 5.90

Genes affected

TSGA10 (HGNC:14927): (testis specific 10) Predicted to enable structural molecule activity. Predicted to be involved in spermatogenesis. Predicted to act upstream of or within cell projection assembly. Predicted to be located in neuron projection; sperm fibrous sheath; and sperm principal piece. Implicated in spermatogenic failure 26. [provided by Alliance of Genome Resources, Apr 2022]

TSGA10 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 3 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PP5: Variant 2-99105696-GC-G is Pathogenic according to our data. Variant chr2-99105696-GC-G is described in ClinVar as [Pathogenic]. Clinvar id is 523232.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
TSGA10	NM_025244.4	c.211delG	p.Ala71fs	frameshift_variant, splice_region_variant	8/21	ENST00000393483.8	NP_079520.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
TSGA10	ENST00000393483.8	c.211delG	p.Ala71fs	frameshift_variant, splice_region_variant	8/21	1	NM_025244.4	ENSP00000377123.3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Cov.: 34

GnomAD4 genome Cov.: 32

Bravo AF: 0.00000378

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: no assertion criteria provided

Submissions by phenotype

Spermatogenic failure 26 Pathogenic:1

Pathogenic, no assertion criteria provided

literature only

OMIM

May 04, 2018

- -

Computational scores

Source: dbNSFP v4.3

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.99		Details are displayed if max score is > 0.2
DS_AG_spliceai		0.95		Position offset: 0
DS_AL_spliceai		0.99		Position offset: 1

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

Publications

LitVar

Other links and lift over

dbSNP: rs1553482689; hg19: chr2-99722159;