Programmed death-ligand 1 (PD-L1), expressed on the surface SEMET of tumor cells, can bind to programmed cell death-1 (PD-1) on T cells.The interaction of PD-1 and PD-L1 can inhibit T-cell responses by decreasing T-cell activity and accelerating their apoptosis.Various cancers express high levels of PD-L1 and exploit PD-L1/PD-1 signaling to evade T
The purpose of the article is to study the practical and relevant aspects of counteraction to corruption in the private sphere of the economy of foreign countries in our time.The article examines and analyzes the international practice of combating corruption in the private economy, which is a topical and complex criminological problem that impedes
When speaking about psychology of rescue actions there should be no restrictions to the incident only Repellents but the problem should be studied within the whole time, i.e.before, during and after the event.Disaster is irreversibly connected with a tragedy that falls deeply into social memory.Frequently it changes irrevocably the way of living of