ARHGEF28

Chr 5

Rho guanine nucleotide exchange factor 28

Functions as a RHOA-specific guanine nucleotide exchange factor regulating signaling pathways downstream of integrins and growth factor receptors. Functions in axonal branching, synapse formation and dendritic morphogenesis. Also functions in focal adhesion formation, cell motility and B-lymphocytes activation. May regulate NEFL expression and aggregation and play a role in apoptosis (By similarity)

ResearchGenerating clinical summary…
DNmechanismLOEUF 0.70
Clinical SummaryARHGEF28
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Gene-Disease Validity (ClinGen)
amyotrophic lateral sclerosis · SDLimited

Limited evidence — not for standalone diagnostic reporting

Population Constraint (gnomAD)
Low constraint (pLI 0.00) — loss-of-function variants are relatively tolerated in the population.
Some data sources returned errors (2)

ncbi: Error: NCBI fetch failed: 429 https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi

omim: Error: OMIM fetch failed: 429

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

Tolerant — LoF & missense variants common in population
LoF Constraint?
0.70LOEUF
pLI 0.000
Z-score 3.83
OE 0.55 (0.440.70)
Tolerant

Typical tolerance to LoF variation

Missense Constraint?
0.73Z-score
OE missense 0.93 (0.880.99)
823 obs / 884.4 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios?
LoF OE?0.55 (0.440.70)
00.351.4
Missense OE?0.93 (0.880.99)
00.61.4
Synonymous OE?0.89
01.21.6
LoF obs/exp: 47 / 85.1Missense obs/exp: 823 / 884.4Syn Z: 1.61

This gene — mechanism propensity

DN
0.6356th %ile
GOF
0.6249th %ile
LOF
0.3842th %ile

The highest-scoring mechanism for this gene is dominant-negative.

DNprediction above median

Note: In-silico variant effect predictors (SIFT, PolyPhen, REVEL, CADD) may underestimate pathogenicity of missense variants in genes with GOF or DN mechanisms. Consider functional evidence and clinical context.

Predictions from Badonyi M, Marsh JA. PLoS ONE. 2024;19(8):e0307312.

ClinVar Variant Classifications

0 submitted variants in ClinVar

Protein Context — Lollipop Plot

ARHGEF28 · protein map & ClinVar variants

Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

No active trials found for this gene.

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