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. 2012 Dec 13;33(1):e00007. doi: 10.1042/BSR20120031

Figure 8. The percentages of utilized glucose that are converted into FA and into GG by adipocytes are negatively correlated in a linear fashion.

Figure 8

(a, b) Adipocytes from fed rats were incubated for 1 h with 5% (w/v) BSA and glucose or insulin (0.2 μM) as indicated together with 0.5–4.0 mM sodium palmitate (data from Table 3 of [22]) or 0.05–5 μM adrenaline (data from Table 4 of [22]). Eqn (1.8) from the Supplementary Online data section (at http://www.bioscirep.org/bsr/033/bsr033e007add.htm) was used to calculate glucose utilization. Filled symbols: with palmitate (n=5); open symbols: with adrenaline (n=4). The slopes of the linear regression lines in (a, b) are significantly different (P<0.001). (c) Data from Table 9 and Figure 3 of [22] for adipocytes incubated with 2.75% (w/v) BSA for 1 h with 5 mM glucose+insulin (0.2 μM) together with 0.25–2.0 mM sodium palmitate were used to calculate glucose utilization as in Figure 1(b). Squares: cells from fed rats. The regression line is y=−1.072+0.035 (r=0.999, P<0.001). Circles: cells from 24 h-starved rats. The regression line is y=−0.752+0.06 (r=0.991, P<0.001). The slopes of these two regression lines were significantly different (P<0.01). A similar plot for cells from 72 h-starved rats is not feasible because glucose incorporation into FA was very small.