Research Paper Volume 12, Issue 14 pp 13939—13957

Both ghrelin deletion and unacylated ghrelin overexpression preserve muscles in aging mice

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Figure 6. Inflammatory response in old WT, Tg, and Ghrl KO mice. (A) TNF-α (Tnf) expression in epididymal fat of 3-month old (young) and 24-month old (old) WT, Tg, and Ghrl KO mice, determined by real-time RT-PCR. Data in bar graph are presented as mean ± SEM. Young mice: WT= 3, Tg= 4, Ghrl KO = 4; old mice: WT= 5, Tg= 7, Ghrl KO = 5. (B) Serum biomarkers involved in systemic inflammation normalized on the levels in young WT mice (reference line). Young mice WT=4; old mice: WT= 4, Tg= 4, Ghrl KO = 4 pulled into two groups. Data in bar graph are presented as mean ± SD. *p<0.05 and **p<0.01, old vs. young; $p<0.05 Tg and Ghrl KO vs. WT.