Inhibitor refers to substance that can hinder the chemical reactions, biological reactions (including immune response) and biological activity. In present time, commonly used inhibitors include immunosuppressants and inhibitors. 1. Immunosuppressive agents: immunosuppressants system refers to drug that can reduce the immune response. It can selectively suppress certain steps of the immune response and immune cells. Immune response refers to the body’s response to a variety of pathogenic substances. Some reactions are favorable to the body and can enhance the body's resistance to disease; some have adverse effects on the body and can cause tissue damage or disorders of physiological functions (allergy). Therefore, patients suffering from allergic reactions being harmful to the body should be subject to the treatment of immunosuppressant to affect the related immune processes and reduce the immune response of the body. For the treatment of various autoimmune diseases and weakening the tissue incompatibility, it has been developed of a variety of immunosuppressive agents, some of which have been widely used in clinical practice. Commonly used immunosuppressants include glucocorticoids (prednisone, prednisolone, etc.), alkylating agents (nitric oxide mustard, cyclophosphamide, thiotepa, busulfan, etc.), and antimetabolites (6- mercaptopurine, azathioprine, methotrexate, etc.). The mechanism of immunosuppressants, though not entirely clear, but is characterized by the following several aspects: ① most kinds of immunosuppressants can simultaneously inhibit cellular and humoral immunity and can be used for organ transplantation and autoimmune disease. ②Its inhibitory effect is strong for the primary immune response while the inhibitory effect against secondary response is weak. ③It can simultaneously act on normal and pathological immunity, therefore, can often lead to some complications. ④These drugs often have strong with serious adverse reactions. 2. Enzyme


Navitoclax, also known as ABT-263 and ABT 263, is a potent, oral biologically active inhibitor of the Bcl-2 protein family, acting on Bcl-xL, Bcl-2 and Bcl-w, with Ki of ≤0.5 nM, respectively , ≤1 nM

Oct 28,2021  Inhibitors


ABT-737 is a small molecule drug that inhibits Bcl-2 and Bcl-xL, two members of the Bcl-2 family of evolutionarily-conserved proteins that share Bcl-2 Homology (BH) domains. First developed as a poten

Oct 21,2021  Inhibitors

Arsenic——Exposure Sources & Medical Management

Arsenic (As; CAS #7440-38-2) is a brittle solid with a metallic coloring that ranges from silver to gray. It is a naturally occurring element found in the earth’s crust,

Mar 5,2020  Inhibitors

Properties and applications of Tacrolimus

Tacrolimus is a macrocyclic lactone with potent immunosuppressive properties.It was first isolated in 1985 from the fermentation broth of Streptomyces tsukubaensis.

Feb 27,2020  Inhibitors

What is Donepezil Hydrochloride?

Donepezil hydrochloride is a reversible inhibitor of the enzyme acetylcholinesterase, known chemically as (±)-2, 3-dihydro-5, 6-dimethoxy-2-[[1-(phenylmethyl)-4-piperidinyl]methyl]-1H-inden-1-one hydr

Feb 26,2020  Inhibitors

What is Trametinib?

Trametinib, a reversible inhibitor of mitogen-activated extracellular signal-regulated kinase 1 (MEK1) and MEK2, can influence the MAPK pathway and inhibit the cellular proliferation by activation of

Feb 25,2020  Inhibitors

What is PLX3397 (Pexidartinib)?

PLX3397 (Pexidartinib) is a small-molecule, oral, potent multi-targeted receptor tyrosine kinase (RTK) inhibitor of CSF-1R, Kit, and Flt3 and it can cross the blood-brain barrier. In M-NFS-60, Bac 1.2

Feb 24,2020  Inhibitors

What is Ostarine?

Ostarine is a selective androgen receptor modulator (SARM) with Ki of 3.8 nM. Plasma concentration of ostarine declines in a biexponential manner after intravenous administration with terminal half-li

Feb 20,2020  Inhibitors

What is Everolimus?

Everolimus is an orally administered, targeted therapy indicated for the treatment of advanced renal cell carcinoma. It inhibits the mammalian target of rapamycin.

Feb 13,2020  Inhibitors

What is Rapamycin?

Sirolimus, also known as rapamycin, is a macrolide derived from Streptomyces hygroscopicus. Sirolimus and its analog molecules, the so called ‘rapalogs’, belong to the inhibitors of the mammalian targ

Feb 10,2020  Inhibitors
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