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. 2020 Feb 27;39(7):e103304. doi: 10.15252/embj.2019103304

Figure 3. AKG increases fat thermogenesis and lipolysis.

Figure 3

  • A, B
    Oxygen consumption in male C57BL/6 mice after 11 weeks of AKG supplementation (n = 8 per group).
  • C
    Body temperature of male mice after 11 weeks of AKG supplementation (n = 9 per group).
  • D, E
    Representative images (D) and quantification (E) of BAT thermogenesis induced by 6‐h cold exposure at 4°C in male mice supplemented with AKG for 11 weeks (n = 9 per group).
  • F, G
    The mRNA expression of thermogenic genes (F) and immunoblots and quantification (G) of UCP1 protein in BAT of male mice after 11 weeks of AKG supplementation (n = 3–6 per group).
  • H, I
    DAB staining (H) and quantification (I) of UCP1 in BAT of male mice supplemented with AKG for 11 weeks (n = 9 per group).
  • J
    Serum levels of NEFA in male mice supplemented with AKG for 11 weeks (n = 9 per group).
  • K
    The mRNA expression of CD137, CD40, TBX1, TMEM26, CITED1, and slc27a1 in iWAT of male mice supplemented with AKG for 11 weeks (n = 8 per group).
  • L, M
    Respiratory exchange ratio (RER) in male C57BL/6 mice after 11 weeks of AKG supplementation (n = 8 per group).
  • N, O
    Immunoblots (N) and quantification (O) of p‐HSL and ATGL protein in gWAT of male mice after 11 weeks of AKG supplementation (n = 3 per group).
  • P, Q
    Representative images (P) and quantification (Q) of p‐HSL DAB staining in gWAT and iWAT of male mice after 11 weeks of AKG supplementation (n = 9 per group).
  • R
    The mRNA expression of PPARγ, FASN, and ACC in the gWAT and iWAT from male mice supplemented with AKG for 11 weeks (n = 6 per group).
  • S–V
    Serum levels of E (S), NE (T), T3 (U), and T4 (V) in male mice supplemented with AKG for 11 weeks (n = 8–9 per group).
Data information: Results are presented as mean ± SEM. In (B, C, E–G, I–K, M, O and Q–V), *P ≤ 0.05, **P ≤ 0.01, and ***P ≤ 0.001 by non‐paired Student's t‐test.