GENE REFERENCE / HGNC:14263

RAB23

RAB23, member RAS oncogene family

protein-coding gene6p12.1-p11.2Gene information

What does this gene do?

The RAB23 gene provides instructions for making a protein that is involved in a process called vesicle trafficking, which moves proteins and other molecules within cells in sac-like structures called vesicles. A vesicle forms when the cell membrane folds around a substance outside the cell (such as a protein). The vesicle is drawn into the cell, pinched off from the cell membrane (a process called endocytosis), and attached to the Rab23 protein. Once inside the cell, the vesicle is guided by the Rab23 protein to its proper destination. Vesicle trafficking is important for the transport of materials that are needed to trigger signaling during development.

Through the transport of certain proteins, the Rab23 protein regulates a specific developmental pathway called the hedgehog signaling pathway that is critical in cell growth (proliferation), cell specialization, and the normal shaping (patterning) of many parts of the body during embryonic development.

Source: MedlinePlus, National Library of Medicine. Source publication: 2020-08-18. Source review: 2013-05.

ClinGen reviews

ClinGen reviews the evidence linking a particular gene to a condition. Each rating below describes the strength of that link. It does not classify a variant in your DNA file.

Condition	Inheritance	Evidence
RAB23-related Carpenter syndromeMONDO:0008710 · Evaluated 2021-04-22	Autosomal recessive	DefinitiveCraniofacial Malformations Gene Curation Expert Panel

ClinVar records

These numbers show what has been submitted to ClinVar. They cannot tell you how likely you are to have a condition.

Submitted alleles: 340
Submissions for variants in or overlapping this gene: 484
Submissions explicitly reporting this gene: 465
Alleles reported pathogenic / likely pathogenic: 43
VariationIDs with uncertain significance: 110
VariationIDs with conflicting classifications: 10

The rows count different things: alleles, submissions or VariationIDs. Their categories can overlap, so do not add them together. Pathogenic/likely pathogenic counts exclude structural variants that merely overlap a gene. A dash in the source means “not reported,” not zero.

NCBI produces the gene-summary file each week using counts recorded at the start of the month. The numbers may differ from those on the live ClinVar website. Read the field definitions ↗

View this gene in ClinVar ↗

YOUR DNA FILE

Can your DNA file tell you about RAB23?

From a DNA test kit (such as 23andMe, AncestryDNA or MyHeritage). These kits check a fixed list of about 600,000 to 700,000 positions across your whole genome. ClinVar lists 43 alleles in RAB23 reported as pathogenic or likely pathogenic. A kit checks only some of these positions, and often none of them.

From whole genome sequencing (a VCF file). Sequencing reads most of your genome. Your file lists the places where your DNA differs from the reference genome. Some regions are hard to sequence, including parts of some genes that have near-identical copies elsewhere, and a VCF file does not record which positions were read well.

If a variant is not in your file, that does not mean you don’t have it.

What BioDecode checks

BioDecode compares every variant in your file with ClinVar, on your own computer. For each match, it shows the ClinVar classification, the review status and the condition it was reported for. Your file is not uploaded.

A ClinVar classification applies to one particular variant and the condition it was reported for. It does not tell you about other variants in RAB23.

BioDecode cannot fill gaps in your test, diagnose a condition or replace clinical testing.

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