○ Evidence tier 7 — In vitro / ex vivo

Record

DesignPreclinical mechanism (cell culture)
DOI10.1111/acel.12445
Citation statusdoi verified via Crossref 2026-07-12 (Aging Cell 2016;15(3):428-435, Zhu et al.)

Five-qualifier claim

Species / populationCultured senescent human and mouse cells.
Exposure, route, scheduleABT-263 (navitoclax) in vitro.
Comparator / durationNon-senescent vs senescent cells.
Endpoint / numeric resultNavitoclax selectively killed senescent cells by inhibiting Bcl-2/Bcl-xL, establishing a targeted senolytic mechanism.
What it did NOT establishIn vitro / mechanism; no human senolytic outcome.

Primary reference

https://onlinelibrary.wiley.com/doi/10.1111/acel.12445

Exact identifier to be confirmed against the primary record before publication where flagged above.