10-5373998-C-T

Variant names:

• chr10-5373998-C-T
• NM_053049.4:c.278C>T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_053049.4(UCN3):​c.278C>T​(p.Thr93Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 28)
• Consequence: UCN3 NM_053049.4 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.343

Genes affected

UCN3 (HGNC:17781): (urocortin 3) This gene encodes a member of the sauvagine/corticotropin-releasing factor/urotensin I family of proteins. The encoded preproprotein is proteolytically processed to generate the mature peptide hormone, which is secreted by pancreatic beta and alpha cells. This hormone is an endogenous ligand for corticotropin-releasing factor receptor 2 and may regulate insulin secretion in response to plasma glucose levels. Patients with type 2 diabetes exhibit reduced levels of the encoded protein in beta cells. In the brain, the encoded protein may be responsible for the effects of stress on appetite. [provided by RefSeq, May 2016]

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.08552757).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
UCN3	NM_053049.4	c.278C>T	p.Thr93Ile	missense_variant	Exon 2 of 2	ENST00000380433.5	NP_444277.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
UCN3	ENST00000380433.5	c.278C>T	p.Thr93Ile	missense_variant	Exon 2 of 2	1	NM_053049.4	ENSP00000369798.3

Frequencies

GnomAD3 genomes Cov.: 28

GnomAD4 exome Cov.: 35

GnomAD4 genome Cov.: 28

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Jan 24, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.278C>T (p.T93I) alteration is located in exon 2 (coding exon 1) of the UCN3 gene. This alteration results from a C to T substitution at nucleotide position 278, causing the threonine (T) at amino acid position 93 to be replaced by an isoleucine (I). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.14
BayesDel_addAF	Benign	-0.31	T
BayesDel_noAF	Benign	-0.68
CADD	Benign	4.8
DANN	Benign	0.92
DEOGEN2	Benign	0.37	T
Eigen	Benign	-1.0
Eigen_PC	Benign	-1.0
FATHMM_MKL	Benign	0.16	N
LIST_S2	Benign	0.41	T
M_CAP	Benign	0.0046	T
MetaRNN	Benign	0.086	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	1.2	L
PrimateAI	Benign	0.37	T
PROVEAN	Uncertain	-3.2	D
REVEL	Benign	0.027
Sift	Benign	0.10	T
Sift4G	Benign	0.27	T
Polyphen		0.0010	B
Vest4		0.047
MutPred		0.25		Loss of catalytic residue at T93 (P = 0.0243);
MVP		0.043
MPC		0.052
ClinPred		0.076	T
GERP RS		2.0
Varity_R		0.080
gMVP		0.19

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr10-5415961;