Longevity Science · Research summary

Antioxidant pathways in skin cells

← Longevity Science · Preclinical research · 2023

Equine placental extract activated antioxidant signalling and lowered selected inflammatory markers in cultured skin cells exposed to UVB.

Extract applied directly to cultured human skin cells; not an oral pet supplementation trial.

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What the researchers observed

The study reports lower TNF-α and IL-6 mRNA, Nrf2 activation and higher HO-1 mRNA in the tested cells. Other inflammatory markers did not respond in the same way.

How this connects to your routine

Useful for explaining a research pathway, not for claiming the products prevent sun damage or treat inflammatory disease.

Understanding the study

  • Study design: Laboratory experiments in HaCaT cells
  • Participants or model: Cultured human epidermal keratinocytes exposed to UVB
  • Preparation: Enzymatically processed, freeze-dried equine placental extract added directly to cell culture.

What this study cannot tell us

This is a cell study, not an oral supplementation trial in pets. A change in a laboratory marker does not establish clinical skin protection or an equivalent effect in dogs and cats.

Read the original research

The Effect of Equine Placental Extract on Anti-inflammatory and Anti-oxidant Activity of the Skin

Moriwaki, Takabuchi, Tsuruta, Ozawa, Hirano and Ando

Japanese Journal of Complementary and Alternative Medicine · 20(1):19–23 · 2023

DOI: 10.1625/jcam.20.19 ↗

Read full paper ↗ · Publisher or repository record ↗

Research relationships

The paper states that the work was conducted with funding from Japan Bio Products.

Explore the everyday concerns

Back to the reading library · Compare our placenta collection

Research findings depend on the preparation, species and study design. These summaries provide context for informed conversations with your veterinarian; research doses do not replace product label directions.