Checkpoint1 -

: CHK1 is an essential serine/threonine kinase that prevents damaged DNA from being replicated, inducing cell cycle arrest during the S and G2/M phases.

In technical articles, "checkpointing" refers to saving the state of a system to allow recovery. (PDF) Pyrrolocarbazoles as Checkpoint 1 Kinase Inhibitors Checkpoint1

Most articles titled or discussing "Checkpoint 1" focus on the and its protein product. : CHK1 is an essential serine/threonine kinase that

: Because tumor cells often depend on CHK1 for survival after chemotherapy or radiation, it is a primary target for small-molecule inhibitors like AZD7762 to induce apoptosis (cell death) in cancer cells. Checkpoint1

: Elevated levels of CHK1 are used as prognostic markers for various cancers, including breast cancer and liver cancer . 2. Computing and Information Technology