7-75813537-A-T

Variant names:

• chr7-75813537-A-T
• rs2302004
• NM_002991.3:c.73+106T>A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_002991.3(CCL24):​c.73+106T>A variant causes a intron 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. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: CCL24 NM_002991.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.435

Genes affected

CCL24 (HGNC:10623): (C-C motif chemokine ligand 24) This gene belongs to the subfamily of small cytokine CC genes. Cytokines are a family of secreted proteins involved in immunoregulatory and inflammatory processes. The CC cytokines are proteins characterized by two adjacent cysteines. The cytokine encoded by this gene displays chemotactic activity on resting T lymphocytes, a minimal activity on neutrophils, and is negative on monocytes and activated T lymphocytes. This protein also has antimicrobial activity, displaying an antibacterial effect on S. pneumoniae, S. aureus, Non-typeable H. influenzae, and P. aeruginosa. Finally, the protein is a strong suppressor of colony formation by a multipotential hematopoietic progenitor cell line. [provided by RefSeq, Jul 2020]

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.85).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CCL24	NM_002991.3	c.73+106T>A		intron_variant	Intron 1 of 2	ENST00000222902.7	NP_002982.2
CCL24	NM_001371193.1	c.73+106T>A		intron_variant	Intron 2 of 3		NP_001358122.1
CCL24	XM_011516460.3	c.73+106T>A		intron_variant	Intron 4 of 5		XP_011514762.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
CCL24	ENST00000222902.7	c.73+106T>A		intron_variant	Intron 1 of 2	1	NM_002991.3	ENSP00000222902.2
CCL24	ENST00000416943.1	c.73+106T>A		intron_variant	Intron 2 of 3	1		ENSP00000400533.1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Data not reliable, filtered out with message: AC0;AS_VQSR AF: 0.00 AC: 0 AN: 1104220 Hom.: 0 Cov.: 15 AF XY: 0.00 AC XY: 0 AN XY: 562684

African (AFR) AF: 0.00 AC: 0 AN: 26296

American (AMR) AF: 0.00 AC: 0 AN: 43392

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 23484

East Asian (EAS) AF: 0.00 AC: 0 AN: 37602

South Asian (SAS) AF: 0.00 AC: 0 AN: 78122

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 52780

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 4750

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 789464

Other (OTH) AF: 0.00 AC: 0 AN: 48330

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.85
CADD	Benign	2.6
DANN	Benign	0.56
PhyloP100		0.43
PromoterAI		0.042	Neutral

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

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Other links and lift over

dbSNP: rs2302004; hg19: chr7-75442855;