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Checkpoint inhibitor therapy is a form of cancer immunotherapy. The therapy targets immune checkpoints , key regulators of the immune system that when stimulated can dampen the immune response to an immunologic stimulus.
This checkpoint is the target of Merck & Co.'s melanoma drug Keytruda, which gained FDA approval in September 2014. The checkpoint is also the target of EMD Serono (Merck KGaA)'s drug Bavencio, which gained FDA approval in 2017. An advantage of targeting PD-1 is that it can restore immune function in the tumor microenvironment.
An immune checkpoint regulator is a modulator of the immune system, that allows initiation of a productive immune response and prevents the onset of autoimmunity. Examples of such a molecule are cytotoxic T-lymphocyte antigen 4 (CTLA-4 or CD152), which is an inhibitory receptor found on immune cells and programmed cell death 1 (CD279), which has an important role in down-regulating the immune ...
Checkpoint kinase 1, commonly referred to as Chk1, is a serine/threonine-specific protein kinase that, in humans, is encoded by the CHEK1 gene. [ 5 ] [ 6 ] Chk1 coordinates the DNA damage response (DDR) and cell cycle checkpoint response. [ 7 ]
CHEK2 (Checkpoint kinase 2) is a tumor suppressor gene that encodes the protein CHK2, a serine-threonine kinase. CHK2 is involved in DNA repair , cell cycle arrest or apoptosis in response to DNA damage.
Micrograph showing a PD-L1 positive lung adenocarcinoma.Positive immunostaining can predict response to the treatment.. PD-1 inhibitors and PD-L1 inhibitors are a group of checkpoint inhibitor anticancer drugs that block the activity of PD-1 and PDL1 immune checkpoint proteins present on the surface of cells.
In 2003, a class-action lawsuit was filed against Check Point over violation of the Securities Exchange Act by failing to disclose major financial information. [13] On 14 August 2003 Check Point opened its branch in India's capital, Delhi (with the legal name Check Point Software Technologies India Pvt. Ltd.). Eyal Desheh was the first director ...
Check Point Integrity is an endpoint security software product developed by Check Point Software Technologies. It is designed to protect personal computers and the networks they connect to from computer worms , Trojan horses , spyware , and intrusion attempts by hackers .