YTHDF2 Knockout HCT116 Cell Line

The choice depends on whether you are asking what m6A-marked transcripts depend on YTHDF2-mediated decay, or whether forced YTHDF2 expression is sufficient to accelerate the degradation of candidate transcripts. The Knockout line reveals which transcripts stabilize when YTHDF2 is absent — the central question in YTHDF2 biology. Overexpression is more useful for testing sufficiency or for dissecting paralog competition with YTHDF1 and YTHDF3. For m6A-mediated decay research, the EDITGENE Knockout line is generally the more informative tool because YTHDF family proteins have overlapping functions, and overexpression of one paralog can be confounded by displacement of others. Rescue with wild-type or m6A-binding-defective (W432A) YTHDF2 is the standard specificity control for assigning phenotypes to m6A reader activity.

Primary applications: • MeRIP-seq + RNA-seq: comparing m6A modification landscapes and steady-state transcript levels between knockout and wild-type cells to identify YTHDF2-regulated transcripts; direct targets require orthogonal half-life validation. • mRNA stability assays: actinomycin D chase for candidate m6A-modified transcripts to confirm YTHDF2-dependent decay. • Cancer phenotype assays: proliferation, apoptosis sensitivity, and metabolic pathway activity readouts relevant to colorectal cancer biology. • Pathway studies: investigation of YTHDF2-regulated programs in cell cycle control, DNA damage response, and stress adaptation. EDITGENE recommends this model for researchers investigating m6A epitranscriptomics, mRNA decay mechanisms, and colorectal cancer-relevant gene regulation.

Yes. YTHDF2 rescue experiments have a well-established specificity control framework due to the maturity of m6A reader research: • Construct design: use a codon-modified YTHDF2 sequence with a C-terminal tag (FLAG, HA). Both N- and C-terminal tags are generally tolerated for YTH family proteins. • m6A-binding-defective rescue: the W432A mutation in the YTH domain abolishes m6A binding and is the standard specificity control for assigning phenotypes to m6A reader activity. Rescue with wild-type but not W432A YTHDF2 confirms m6A-dependent function. • Paralog considerations: YTHDF1 and YTHDF3 share substantial sequence similarity and overlapping target transcripts with YTHDF2. If studying transcript-specific effects, consider whether observed phenotypes might reflect paralog redundancy rather than YTHDF2-specific function. • Functional readout: rescue should restore m6A-modified transcript decay rates (measured by mRNA half-life assays for candidate targets) and accompanying phenotypic outputs in HCT 116. HCT 116 transduces efficiently with lentivirus and supports both polyclonal and clonal rescue line generation.