Diesel Particulate Matter (DPM)-Induced Metabolic Disruption in Mice Is Mitigated by Sodium Copper Chlorophyllin (SCC).
Level 5 - mechanism / opinion, no new human data
Animal research (murine model)
PubMed 40005045 · doi:10.3390/nu17040717
What was done
Mice were exposed to diesel particulate matter (DPM) to evaluate metabolic and inflammatory disruption in murine lung, skeletal muscle, and adipose tissues, and to determine the protective effects of supplementation with sodium copper chlorophyllin (SCC).
What was found
The abstract reports statistical significance without providing absolute numerical values or effect sizes. DPM exposure significantly increased oxidative stress markers (p ≤ 0.05), elevated systemic pro-inflammatory cytokines (TNF-α, MCP-1, IL-6, and IL-1β; p ≤ 0.05), and induced adipocyte hypertrophy in subcutaneous and visceral fat depots compared to controls. SCC supplementation significantly restored pulmonary ATP levels (p ≤ 0.05), reduced reactive oxygen species production in lung and muscle tissue (p ≤ 0.05), attenuated inflammatory cytokine secretion (p ≤ 0.05), and reduced adipocyte hypertrophy.
Why it matters
This study provides preclinical evidence that sodium copper chlorophyllin may help counter oxidative stress and metabolic inflammation triggered by urban particulate air pollution.
Limits
The study was conducted entirely in mice, and results cannot be directly generalized to humans. The abstract does not state sample size (n), DPM exposure levels, SCC dosage, duration of intervention, or raw quantitative data.
Cited by
- supports In pair-fed animal studies, inhalation of PM2.5 diesel exhaust particles at physiological levels resulted in adipocyte hypertrophy and increased total body fat mass despite identical caloric intake.