ArticlePlacenta2026
Tumor necrosis factor alpha inhibition improves fetal growth in a rat model of preeclampsia.
Article in Placenta, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Sex differences in the developmental programming of cardiovascular and renal risk across the lifespan.American journal of physiology. Renal physiology · 2026Review
- The Immunopathology of Preeclampsia.Biomedicines · 2026Review
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Authors and funding
10 authors.
Funding
Abstract
introductionTumor necrosis factor alpha (TNF-α) is elevated 2-fold in women with preeclampsia. Preclinical investigation shows TNF-α blockade reduces maternal blood pressure in reduced uterine perfusion pressure (RUPP) rats and attenuates the reduction in fetal weight. However, the benefits versus harms of this therapy on fetal growth and underlying pathogenesis are unknown. Thus, this study tested the hypothesis that maternal treatment with the soluble TNF-α inhibitor Etanercept (Etan) during late gestation improves placental perfusion, nutrient transport, and morphology, thereby improving fetal growth in the RUPP model of preeclampsia compared with Sham controls. We further hypothesized that maternal Etan treatment is associated with improved blood pressure and inflammatory profiles in offspring.
methodsSham or RUPP surgery was performed at gestational day (GD) 14, with vehicle or Etan (0.4 mg/kg, s.c.) administered at GD18.
resultsFetal weight (p = 0.0365) and survival (p = 0.0002) were reduced in RUPP (p = 0.0365) at GD20; only fetal weight was improved in Etan-RUPP (p = 0.0480). At GD20, uterine artery resistance index (UARI) was increased in RUPP (p = 0.0094), but attenuated in Etan-RUPP, indicating improved placental perfusion. Impaired placental transport and morphology were evident in RUPP, with no improvement in Etan-RUPP. Birthweight was improved in Etan-RUPP (p = 0.0312), although total NK cells (p = 0.0376) were increased in female Etan-RUPP offspring. Circulating AT1-AA activity was elevated in adult male and female RUPP offspring (p = 0.0013, p = 0.0006), but attenuated in female Etan-RUPP offspring. DISCUSSION: These results suggest improved fetal growth in Etan-RUPP, independent of placental morphology or nutrient transporter expression, with sex-specific effects on inflammation in adult RUPP offspring.
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