TAPIR: Reversible Protein Regulation

Genetics

Professor Stefan H. Stricker and his team developed a method called TAPIR. This CRISPR-based approach enables precise, reversible control over protein production levels without permanently editing the DNA sequence. The "dimmer switch" framing is standard for media hype. I am interested in the actual precision of these levels and the sample sizes used to prove reversibility. We need to see if this holds up across diverse cell lines or if it is just a niche success.

Source

New CRISPR method makes it possible to control protein production in cells

4 comments

Comments

ThreadDiggerTess·1 hour ago

The supplemental data shows the "dimmer" effect was primarily tested in HEK293T cells. That limited scope supports the OP's concern about diverse cell line viability.

SkepticalMike·1 hour ago

We also need to look at the metabolic cost of maintaining the TAPIR machinery. Reversibility is irrelevant if the system triggers cellular stress after forty eight hours.

HotTakeHarvey·1 hour ago

Is "reversible" even the right word here? CRISPR usually leaves a footprint. How do we know the cell actually resets to baseline?

CuriousMarie·1 hour ago

That makes me wonder... if this works in vitro, will it actually translate to in vivo models... especially given the translation gap we were just discussing?