Multisystemic Impact of RNF213 Arg4810Lys: A Comprehensive Review of Moyamoya Disease and Associated Vasculopathies

Area of Science:

• Genetics
• Vascular Biology
• Pathophysiology

Background:

• The RNF213 Arg4810Lys variant is a known risk factor for Moyamoya disease (MMD), especially in East Asian populations.
• This variant's role in other cerebrovascular and systemic vascular diseases is increasingly recognized.

Purpose of the Study:

• To review the systemic impact of the RNF213 Arg4810Lys mutation.
• To explore its association with various vascular conditions beyond MMD.
• To understand the functional mechanisms and genetic modifiers involved.

Main Methods:

• Literature review of studies on RNF213 Arg4810Lys.
• Analysis of functional studies on cellular and molecular pathways.
• Examination of clinical data on disease phenotypes and genetic co-occurrences.

Main Results:

• The Arg4810Lys variant is linked to Moyamoya syndrome, stroke, intracranial atherosclerosis, pulmonary arterial hypertension, and coronary and renal artery stenosis.
• Functional studies indicate altered angiogenic signaling, endothelial function, vascular remodeling, and immune responses, exacerbated by environmental factors.
• Homozygosity, incomplete penetrance, and co-occurrence with other genetic variants (e.g., KIF1A, FLNA) influence disease severity and onset.

Conclusions:

• RNF213 Arg4810Lys has a significant systemic impact on vascular health.
• Understanding its multifaceted role is crucial for developing risk assessment and personalized treatment strategies for associated vascular diseases.