USP10 Knockout HAP1 Cell Line

The choice depends on the experimental question. The Knockout line is appropriate for asking whether USP10 is required for its established functions — particularly p53 stabilization, AMPK signaling regulation, and stress granule dynamics. Overexpression is useful for testing whether elevated USP10 is sufficient to stabilize substrates, or for studying USP10 in cancer contexts where it has been reported as both tumor-suppressive and tumor-promoting depending on cellular context. For USP10 research, the EDITGENE Knockout line in HAP1 is the more rigorous starting point — USP10 has multiple reported substrates with context-dependent effects, and complete loss in a near-haploid background provides cleaner substrate dependency mapping than partial reduction. Rescue with wild-type or catalytically-dead USP10 is the standard control for assigning observed effects to deubiquitinase activity.

Primary applications: • p53 stability assays: cycloheximide chase analysis of p53 protein levels and ubiquitination state in the absence of USP10. • AMPK signaling: phospho-AMPK Western blot and downstream substrate phosphorylation analysis to assess USP10's role in metabolic stress signaling. • Stress granule dynamics: imaging-based analysis of G3BP1-positive stress granule assembly and disassembly kinetics under oxidative or osmotic stress. • Substrate identification: ubiquitin proteomics to expand the catalog of USP10-regulated proteins beyond the well-characterized substrates. EDITGENE recommends this model for researchers investigating USP10 biology, p53 regulation, AMPK signaling, and stress response mechanisms.

Yes. USP10 rescue experiments require attention to substrate-specific deubiquitinase activity: • Construct design: use a codon-modified USP10 sequence with a C-terminal tag (FLAG, HA). USP10 is large (~798 amino acids); both tag positions are tolerated. • Catalytically-dead rescue: the C424A mutation in the active site abolishes deubiquitinase activity and is the standard specificity control for distinguishing enzymatic from scaffolding functions. • Substrate-specific interpretation: USP10 has multiple substrates (p53, AMPK, G3BP1) with potentially distinct rescue kinetics — assess each substrate's stability independently when interpreting rescue. • Functional readout: rescue should restore substrate stability (cycloheximide chase) and stress granule dynamics (imaging) to wild-type levels. HAP1-specific considerations: • Diploidization: HAP1 cells gradually diploidize during extended culture — confirm ploidy by flow cytometry at the time of phenotypic assay. • Integration site sensitivity: position effects on transgene expression are more pronounced in near-haploid backgrounds; generating multiple independent rescue clones is strongly recommended. • Transduction efficiency: HAP1 transduces with lentivirus at moderate efficiency — increase MOI compared to standard immortalized lines.