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Representative heatmap of the gene sets down-regulated in mild traumatic brain injury (mTBI) versus blunt tail trauma (TT) lungs. A: Multiple gene sets were down-regulated in mTBI lungs related to intercell, intracell, and extracellular connections and organization. B: mTBI. C: TT. D: Naive. Although mRNA levels of extracellular proteins are decreased, there is no obvious histological structural damage. Scale bars = 50 μm.
