Figure 1.
Figure 1. Dyn2 knockdown interferes with starvation-induced LD breakdown in Hep3B hepatocytes. Hep3B hepatocytes were treated with nontargeting control siRNA (siNT) or siRNA targeting Dyn2 (siDyn2), followed by re-expression of either vector alone, or GFP-tagged versions of Dyn2, loaded with 150 µM oleate overnight and starved for 48 h in medium containing 0.1% FBS. LDs were visualized by immunofluorescence using Oil Red O staining. Cell boundaries are outlined and those cells re-expressing GFP, GFP-wtDyn2, or GFP--K44A are denoted with asterisks. Bars, 20 µM. (B) Representative blot showing the efficiency of the Dyn2 knockdown in these cells. (C and D) Quantitation of the average LD number and area (in pixels2) per cell from three independent experiments. The data are represented as mean ± SE. *, P ≤ 0.05; **, P ≤ 0.01. NS, not significant.

Dyn2 knockdown interferes with starvation-induced LD breakdown in Hep3B hepatocytes. Hep3B hepatocytes were treated with nontargeting control siRNA (siNT) or siRNA targeting Dyn2 (siDyn2), followed by re-expression of either vector alone, or GFP-tagged versions of Dyn2, loaded with 150 µM oleate overnight and starved for 48 h in medium containing 0.1% FBS. LDs were visualized by immunofluorescence using Oil Red O staining. Cell boundaries are outlined and those cells re-expressing GFP, GFP-wtDyn2, or GFP--K44A are denoted with asterisks. Bars, 20 µM. (B) Representative blot showing the efficiency of the Dyn2 knockdown in these cells. (C and D) Quantitation of the average LD number and area (in pixels2) per cell from three independent experiments. The data are represented as mean ± SE. *, P ≤ 0.05; **, P ≤ 0.01. NS, not significant.

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