The Role of Uric Acid in Human Health: Insights from the Uricase Gene.
Level 5 - mechanism / opinion, no new human data
Narrative review synthesizing evolutionary theory and mechanistic biology without original data or systematic review methodology.
PubMed 37763176 · doi:10.3390/jpm13091409
What was done
This paper is a narrative review examining the evolutionary loss of function in the uricase gene in hominoids, the resulting elevation in circulating uric acid, and the trade-offs between urate's physiological benefits (e.g., antioxidant protection, survival under evolutionary bottlenecks) and risks (e.g., gout, hypertension, insulin resistance).
What was found
The abstract reports no empirical measurements, quantitative syntheses, or effect sizes. It qualitatively describes uric acid as a double-edged sword: elevated levels are associated with gout and cardiometabolic disorders, whereas low levels may increase the risk of neurodegenerative diseases.
Why it matters
Understanding the evolutionary context and biological consequences of uricase pseudogenization helps contextualize why humans maintain high serum urate levels and informs the development of uricase-based therapies.
Limits
As a narrative review, the paper provides no original clinical or experimental data, lacks a systematic search protocol, and does not report sample sizes or quantitative metrics in the abstract.
Cited by
- supports Humans carry a mutation in the uricase gene that prevents the breakdown of uric acid.