22-30264220-G-C

Variant names:

• chr22-30264220-G-C
• rs144823210
• NM_020530.6:c.422C>G

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_Strong BS2

The NM_020530.6(OSM):​c.422C>G​(p.Pro141Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000149 in 1,613,958 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P141L) has been classified as Uncertain significance.

• Frequency:
  • Genomes: 𝑓 0.0000066 (0 hom., cov: 33)
  • Exomes 𝑓: 0.000016 (0 hom.)
• Consequence: OSM NM_020530.6 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: -4.25
• Publications: 3 publications found

Genes affected

OSM (HGNC:8506): (oncostatin M) This gene encodes a member of the leukemia inhibitory factor/oncostatin-M (LIF/OSM) family of proteins. The encoded preproprotein is proteolytically processed to generate the mature protein. This protein is a secreted cytokine and growth regulator that inhibits the proliferation of a number of tumor cell lines. This protein also regulates the production of other cytokines, including interleukin 6, granulocyte-colony stimulating factor and granulocyte-macrophage colony stimulating factor in endothelial cells. This gene and the related gene, leukemia inhibitory factor, also present on chromosome 22, may have resulted from the duplication of a common ancestral gene. Alternative splicing results in multiple transcript variants, at least one of which encodes an isoform that is proteolytically processed. [provided by RefSeq, Jan 2016]

ACMG classification

Our verdict: Benign. The variant received -8 ACMG points.

• BP4: Computational evidence support a benign effect (MetaRNN=0.059025377).
• BS2: High AC in GnomAdExome4 at 23 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020530.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	OSM	NM_020530.6	MANE Select	c.422C>G	p.Pro141Arg	missense	Exon 3 of 3	NP_065391.1	P13725
	OSM	NM_001319108.2		c.359C>G	p.Pro120Arg	missense	Exon 3 of 3	NP_001306037.1	B5MCX1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	OSM	ENST00000215781.3	TSL:1 MANE Select	c.422C>G	p.Pro141Arg	missense	Exon 3 of 3	ENSP00000215781.2	P13725
	OSM	ENST00000403389.1	TSL:3	c.359C>G	p.Pro120Arg	missense	Exon 3 of 3	ENSP00000383893.1	B5MCX1
	OSM	ENST00000403463.1	TSL:3	c.*216C>G		3_prime_UTR	Exon 2 of 2	ENSP00000384543.1	B5MC70

Frequencies

GnomAD3 genomes AF: 0.00000657 AC: 1 AN: 152238 Hom.: 0 Cov.: 33

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000147

Gnomad OTH AF: 0.00

GnomAD4 exome AF: 0.0000157 AC: 23 AN: 1461720 Hom.: 0 Cov.: 31 AF XY: 0.0000151 AC XY: 11 AN XY: 727158

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44714

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39698

South Asian (SAS) AF: 0.00 AC: 0 AN: 86254

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53284

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.0000198 AC: 22 AN: 1111998

Other (OTH) AF: 0.0000166 AC: 1 AN: 60388

GnomAD4 genome AF: 0.00000657 AC: 1 AN: 152238 Hom.: 0 Cov.: 33 AF XY: 0.00 AC XY: 0 AN XY: 74366

African (AFR) AF: 0.00 AC: 0 AN: 41454

American (AMR) AF: 0.00 AC: 0 AN: 15284

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3470

East Asian (EAS) AF: 0.00 AC: 0 AN: 5200

South Asian (SAS) AF: 0.00 AC: 0 AN: 4838

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10626

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.0000147 AC: 1 AN: 68048

Other (OTH) AF: 0.00 AC: 0 AN: 2090

Alfa AF: 0.00 Hom.: 0

Bravo AF: 0.0000189

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.18
BayesDel_addAF	Benign	-0.27	T
BayesDel_noAF	Benign	-0.63
CADD	Benign	0.0050
DANN	Benign	0.71
DEOGEN2	Benign	0.20	T
Eigen	Benign	-1.8
Eigen_PC	Benign	-1.9
FATHMM_MKL	Benign	0.015	N
LIST_S2	Benign	0.30	T
M_CAP	Benign	0.0040	T
MetaRNN	Benign	0.059	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	0.34	N
PhyloP100		-4.3
PrimateAI	Benign	0.21	T
PROVEAN	Benign	0.83	N
REVEL	Benign	0.021
Sift	Benign	0.43	T
Sift4G	Benign	0.64	T
Polyphen		0.0030	B
Vest4		0.056
MutPred		0.57		Gain of MoRF binding (P = 0.0025)
MVP		0.27
MPC		0.18
ClinPred		0.25	T
GERP RS		-6.3
Varity_R		0.075
gMVP		0.40
Mutation Taster		=100/0	polymorphism

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

Other links and lift over

dbSNP: rs144823210; hg19: chr22-30660209;