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. 2021 Sep 30;130(8):498–508. doi: 10.1055/a-1608-0607

Fig. 1.

Fig. 1

Acute FAM3A knockdown significantly impaired insulin secretion. Male C57BL/6 mice were injected with scramble or siFAM3A via tail vein hydrodynamic injection. ( a ) An oral glucose tolerance test (OGTT) was performed before siRNA injection. The area under the curve (AUC) of OGTT (day 0) is presented in the right panel. ( b ) OGTT on day 3 after tail injection of scramble or siFAM3A is shown. AUC of OGTT (day 3) is presented in the right panel. ( c ) Three days after siRNA injection, blood samples were collected from the tail vein at the first four time points (0, 15, 30, and 60 min) of OGTT, and serum insulin levels were measured. The AUC of serum insulin is presented in the right panel. ( d ) Insulin content in islets of mice with acute FAM3A inhibition and the scramble group. ( e ) Glucose-stimulated insulin secretion in the scramble and siFAM3A groups. For (a-c), N=14–18. For (d-e), N=6. For (a-d), *P<0.05 vs. scramble group. For ( e ), *P<0.05 vs. scramble islets (G0), #P<0.05 between siFAM3A islets vs. corresponding scramble group under G0, G5, and G20 stimulation separately. G0: 0 mmol/L, G5: 5 mmol/L, and G20: 20 mmol/L glucose.