Journal: Nature Communications
Article Title: Endosomal trafficking participates in lipid droplet catabolism to maintain lipid homeostasis
doi: 10.1038/s41467-025-57038-8
Figure Lengend Snippet: A The knockdown efficiency of Rab5a in A549 cells was assessed by western blot analysis ( n = 3). B Control or Rab5a-knockdown A549 cells were fixed by 4% PFA, and stained with Bodipy 493/503 (1 μM) and DAPI (1 μg/mL) for 30 min. The number, size and area of LDs, as well as the fluorescence intensity of Bodipy 493/503 were quantified by ImageJ ( n = 30 for all figures; p < 0.0001 for all figures). C The triglyceride level in control or Rab5a-knockdown A549 cells was determined ( p < 0.0029). D A549 cells were transiently transfected with mc-Rab5a or mc-Rab5a-S23N, and then stained with Bodipy 493/503 (1 μM) for 30 min. The number and size of LDs, and fluorescence intensity of Bodipy 493/503 were quantified by ImageJ ( n = 13 for all figures; p = 0.0080, 0.0303 and 0.0015 for number of LDs, average size of LDs and relative Bodipy fluorescence, respectively). Images were captured by a Zeiss 880 microscope with a 63x objective lens. The scale bar is 5 μm. The graphs represented data from three independent experiments. The statistical significance of differences was determined by using the unpaired two-tailed student’s t test, and data quantifications were expressed as mean ± s.e.m. * p < 0.05, ** p < 0.01, *** p < 0.001; ns: no significance.
Article Snippet: pEGFP-C1-ADRP (addgene, #87161), mcherry-ACSL3 (addgene, #87158), GFP-Rab5 (addgene, #174454), mcherry-Rab5 (addgene, #55126), mcherry-Rab5 S23N, GFP-Rab7 (addgene, #61803), mcherry-Rab7 (addgene, #55127), GFP-Rab7 T22N (addgene, #28048), GFP-Rab7 Q67L (addgene, #28049), pCDNA3.1-Twinstrep Rab5 (Elife.
Techniques: Knockdown, Western Blot, Control, Staining, Fluorescence, Transfection, Microscopy, Two Tailed Test
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