10-101770367-G-T

Variant names:

• chr10-101770367-G-T
• rs780335350
• NM_033163.5:c.697C>A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_033163.5(FGF8):​c.697C>A​(p.Arg233Ser) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 33)
• Consequence: FGF8 NM_033163.5 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.06

Genes affected

FGF8 (HGNC:3686): (fibroblast growth factor 8) The protein encoded by this gene is a member of the fibroblast growth factor (FGF) family. FGF family members possess broad mitogenic and cell survival activities, and are involved in a variety of biological processes, including embryonic development, cell growth, morphogenesis, tissue repair, tumor growth and invasion. This protein is known to be a factor that supports androgen and anchorage independent growth of mammary tumor cells. Overexpression of this gene has been shown to increase tumor growth and angiogensis. The adult expression of this gene is restricted to testes and ovaries. Temporal and spatial pattern of this gene expression suggests its function as an embryonic epithelial factor. Studies of the mouse and chick homologs revealed roles in midbrain and limb development, organogenesis, embryo gastrulation and left-right axis determination. The alternative splicing of this gene results in four transcript variants. [provided by RefSeq, Jul 2008]

LOC105378457 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
FGF8	NM_033163.5	c.697C>A	p.Arg233Ser	missense_variant	Exon 6 of 6	ENST00000320185.7	NP_149353.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
FGF8	ENST00000320185.7	c.697C>A	p.Arg233Ser	missense_variant	Exon 6 of 6	1	NM_033163.5	ENSP00000321797.2

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 32

GnomAD4 genome Cov.: 33

Bravo AF: 0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Uncertain	0.51
BayesDel_addAF	Uncertain	0.072	D
BayesDel_noAF	Benign	-0.14
CADD	Uncertain	24
DANN	Uncertain	1.0
DEOGEN2	Uncertain	0.72	.;D;.;.;.
Eigen	Benign	-0.0085
Eigen_PC	Benign	0.0013
FATHMM_MKL	Uncertain	0.88	D
LIST_S2	Uncertain	0.87	D;D;D;D;D
M_CAP	Uncertain	0.19	D
MetaRNN	Uncertain	0.54	D;D;D;D;D
MetaSVM	Benign	-0.37	T
MutationAssessor	Benign	1.9	.;L;.;.;.
PrimateAI	Uncertain	0.70	T
PROVEAN	Uncertain	-2.7	.;D;D;D;D
REVEL	Uncertain	0.47
Sift	Uncertain	0.0030	.;D;D;D;D
Sift4G	Uncertain	0.0030	D;D;D;D;D
Polyphen		0.97, 0.91, 0.93, 0.97	.;D;P;P;D
Vest4		0.48
MutPred		0.30		.;Loss of MoRF binding (P = 0.0037);.;.;.;
MVP		0.82
MPC		1.8
ClinPred		0.94	D
GERP RS		2.3
Varity_R		0.25
gMVP		0.29

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

LitVar

Other links and lift over

dbSNP: rs780335350; hg19: chr10-103530124;