Journal: bioRxiv
Article Title: Structure of zebrafish NLRP3 reveals a novel mode of inflammasome activation
doi: 10.64898/2026.04.17.719140
Figure Lengend Snippet: a , LDH release assay in NLRP3-KO BlaER1 cells reconstituted with the indicated FLAG-tagged NLRP3 constructs or control plasmid. Expression was induced with doxycycline (Dox) for 18 h. Cells were primed with 200 ng/ml LPS for 4h followed by activation with 6.5 µM nigericin, 30 µg/ml imiquimod or 0.025 mg/ml needle toxin for 2 h. Data are represented as mean ± SD, n = 3. b , Western blots of the whole cell lysates from THP-1 NLRP3-KO cells reconstituted with human or zebrafish NLRP3 or zebrafish NLRP3 containing human PYD. Cells were treated with 1 µg/ml LPS for 3 h followed by activation with 20 µM nigericin or 200 µM imiquimod for 1 h. FLAG-tagged NLRP3 constructs and cleaved GSDMD were visualized with corresponding antibodies. c, d, ASC speck formation in HEK293T cells stably expressing YFP-ASC, upon transfection with indicated NLRP3 constructs: human, zebrafish NLRP3 and zebrafish NLRP3 with B30.2-domain deletion (zebrafish NLRP3 ΔB30.2 ) ( c ); wild-type and oligomer-disrupting mutants of zebrafish NLRP3 ( d ). Cells were transfected with the indicated amount of DNA, and the number of ASC specks per image area was calculated 24 h post-transfection. Data are represented as mean ± SD, n = 3.
Article Snippet: Human full-length ASC was cloned into pLenti-EF1a-C-tGFP (Origene, PS100072) and tGFP was exchanged with YFP.
Techniques: Lactate Dehydrogenase Assay, Construct, Control, Plasmid Preparation, Expressing, Activation Assay, Western Blot, Stable Transfection, Transfection