The relationship between high serum UA levels and decidualization and angiogenesis in endometrium

Jinran Li, Meihua He, Min Huang, Jiahui Xiang, Limei Zhang, Yinghui Liu, Yanlin Ma, Xuhui Zeng, Xiaoli Sun
In: Research Square · 2024 · doi:10.21203/rs.3.rs-5599602/v1 · W4405656051
preprint OA: green CC0
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⚙ AI-generated summary by claude@2026-06+body, 2026-06-08 ⓘ

High serum uric acid levels were associated with reduced decidualization markers and impaired angiogenesis in the endometrium of women and mice.

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⚙ AI-generated deep summary by claude@2026-06, 2026-06-10 ⓘ

This study examined whether high serum uric acid (UA) affects endometrial decidualization and angiogenesis during early pregnancy by analyzing decidualization markers (PRL and Prl8a2) and angiogenesis-related factors (VEGFA, vessel density and microvascular lumen features) in decidua from 7–9 week human pregnancies after curettage and in mice with UA elevation induced by purine/hypoxanthine and potassium oxonate until gestation day 7.5. Real-time PCR and Western blot showed significantly reduced PRL and Prl8a2 in human decidua and in high-UΑ mice, and immunohistochemistry for CD34 revealed decreased microvascular lumen diameter and density alongside decreased VEGFA expression. The authors’ limitation includes a small human sample size (9 patients total across groups) and preprint status (not peer reviewed). Relevance to endometriosis: the paper does not explicitly discuss endometriosis, but it is included in this corpus via a keyword match in the upstream search index.

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