3I , N-acetyl- d -glucosamine levels significantly increased early in infection and showed a decreasing trend over time, though mid-stage pneumonia displayed some variability, suggesting a metabolic transition phase.
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Alterations in nutrient availability in the lungs during <i>Streptococcus pneumoniae</i>-induced pneumonia.
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The sentences
In the severe stage, arachidonic acid metabolism showed the most prominent enrichment, with 22 associated metabolites approaching statistical significance ( P = 0.06), suggesting a strong trend, in addition to continued enrichment in pyrimidine-related metabolites.