Why focus on uric acid?
1a University of Colorado , Aurora , CO , USA.
Insights
High serum uric acid (SUA) is linked to cardiovascular and kidney disease development. Lowering SUA may reduce risks associated with gout and related metabolic conditions.
Area of Science:
- Nephrology
- Cardiology
- Metabolic Diseases
Background:
- Gout management involves lowering serum uric acid (SUA) to below 6.0 mg/dL to dissolve urate deposits.
- Hyperuricemia frequently coexists with cardiovascular (CV) risk factors like hypertension, obesity, insulin resistance, fatty liver, and chronic kidney disease (CKD).
- Elevated SUA often precedes hypertension and metabolic syndrome, indicating a potential causal role.
Purpose of the Study:
- To review evidence on the role of serum uric acid in cardiovascular and renal disease.
- To explore the molecular mechanisms linking elevated SUA to these conditions.
Main Methods:
- Literature review based on PubMed/Embase database searches.
- Focus on articles concerning hyperuricemia and its impact on cardiovascular and renal function.
Main Results:
- Evidence suggests elevated SUA is a key factor in the development of CV and renal diseases.
- Molecular mechanisms underlying the causative association between SUA and these conditions are discussed.
Conclusions:
- Serum uric acid plays a significant role in the pathogenesis of cardiovascular and renal diseases.
- Understanding these mechanisms is crucial for managing hyperuricemia and associated comorbidities.
Abstract:
In gouty patients, urate lowering therapies (ULTs) are recommended to bring serum uric acid (SUA) levels below 6.0 mg/dL, with the aim of dissolving urate depositions, thereby reducing disease impact. However, patients with hyperuricemia often present with other conditions associated with cardiovascular (CV) risk, such as high blood pressure, obesity, insulin resistance, fatty liver, and chronic kidney disease. In the last decade, several well grounded pieces of evidence showed that the elevation of uric acid often occurs prior to the development of hypertension or metabolic syndrome, thus suggesting a direct association between elevated SUA and these conditions. This paper will discuss available evidence supporting the key role of serum uric acid in the development of CV and renal disease, with a focus on the molecular mechanisms underlying this causative association. This review is based on a PubMed/Embase database search for articles on hyperuricemia and its impact on cardiovascular and renal function.
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