sars-cov-in-1

SARS-CoV-IN-1 is an effective SARS-CoV replication inhibitor with an EC50 of 4.9 μM in Vero cells.

SARS-CoV-2-IN-1 is a potent inhibitor of Mpro [SARS-CoV-2 Mpro, SARS-CoV Mpro, and MERS-CoV Mpro] with IC50 values of 0.67, 0.90, and 0.58 μM, respectively.

SARS-CoV-2 PLpro-IN-1 (Compound 85) is a non-covalent competitive inhibitor of SARS-CoV-2 PLpro with an IC50 value of 15.06 μM and a Ki value of 22.93 μM. It inhibits the proliferation of Vero cells, exhibiting an IC50 of 7.47 μM.

MProinhibitor 11b is an inhibitor of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) main protease (MPro; IC50= 0.04 μM in a TR-FRET assay).1It reduces viral yield in the culture supernatant of SARS-CoV-2-infected Vero E6 cells (EC50= 0.72 μM). MProinhibitor 11b also reduces viral RNA copy numbers in the same model when used at concentrations ranging from 1.85 to 50 μM. 1.Dai, W., Zhang, B., Jiang, X.-M., et al.Structure-based design of antiviral drug candidates targeting the SARS-CoV-2 main proteaseScience368(6497)1331-1335(2020)

SARS-CoV-2 Mpro-IN-1 (compound 16b-3) is a potent, selective, and irreversible inhibitor of the SARS-CoV-2 main protease (Mpro) with an IC50 value of 116 nM [1].

SARS-CoV-2 nsp3-IN-1 (Compound 15c) exhibits significant selectivity for coronavirus macrodomains, particularly SARS-CoV-2 Mac1, and can inhibit Mac1 ADP-ribosylhydrolase activity with an IC50 of 6.1 μM [1].

SARS-CoV-2 nsp13-IN-1 (compound C1) is a potent inhibitor of nsp13 (non-structural protein 13), selectively inhibiting nsp13 ssDNA+ATPase with an IC50 of 6 μM, but not ssDNA-ATPase, and can be used to study COVID-19.

SARS-CoV-2 nsp14-IN-1 (Compound 3) is a dual-substrate inhibitor of SARS-CoV-2 Nsp14 Mtase with an IC50 of 0.061 μM, targeting substrates such as histone lysine, protein arginine, DNA, and RNA.

SARS-CoV-2 3CLpro-IN-1 (Compound 14c) is a highly potent inhibitor specifically designed to target and inhibit the activity of SARS-CoV-2 3CL pro, a cysteine protease found in the main coronaviruses. This enzyme is a promising target for antiviral drug development, positioning SARS-CoV-2 3CLpro-IN-1 as significant for advancing research in infectious diseases [1].

SARS-CoV-2 MERS Mpro-IN-1 is a potent inhibitor of the main proteases in SARS-CoV-2 and MERS, with IC50 values of 0.10 and 0.06 µM, respectively.

Chloroquine is a Toll-like receptor inhibitor that inhibits autophagy. Chloroquine has anti-malarial and anti-inflammatory activity and is widely used in the treatment of malaria and rheumatoid arthritis. Chloroquine also has anti-SARS-CoV-2 (COVID-19) activity and anti-HIV-1 activity.

CTP Synthetase-IN-1 Ammonium salt is an orally active and potent cytidine 5'-triphosphate synthetase (CTPS) inhibitor with potential antimicrobial, anti-inflammatory and antitumor activity for the study of SARS-CoV-2 viral infections.

PLpro RBD-IN-1 is a dual inhibitor of SARS-CoV-2 PLpro and the spiny protein RBD, with anti-novel coronavirus activity, and is seen for the study of viral infections.

SARS-CoV-2 Mpro-IN-9 (compound c7), a nonpeptidic, noncovalent inhibitor of SARS-CoV-2 main protease (Mpro), exhibits potent inhibitory action (IC50 = 0.085 μM) and improved physicochemical and drug metabolism and pharmacokinetics (DMPK) properties. It effectively suppresses viral replication in SARS-CoV-2-infected Vero E6 cells (EC50 = 1.10 μM) and demonstrates low cytotoxicity (CC50 > 50 μM) [1].

Velpatasvir (GS-5816), also known as GS-5816, is a potent and selective Hepatitis C virus NS5A inhibitor. GS-5816 has demonstrated pan-genotypic activity and a high barrier to resistance in HCV replicon assays. GS-5816 demonstrated pangenotypic antiviral activity in patients with genotype 1-4 HCV infection. It will be further evaluated in combination with other pangenotypic direct-acting antivirals to achieve the goal of developing a well-tolerated, highly effective treatment for all HCV genotypes.

Umifenovir is a potent, orally active broad-spectrum antiviral agent with activity against enveloped and non-enveloped viruses, suppressing virus propagation and modulating the expression of inflammatory cytokines for use as an anti-influenza virus agent [3]. It effectively inhibits the fusion of the virus with host cells [1] [2] and is an efficient inhibitor of SARS-CoV-2 in vitro [2].

SARS-CoV-2-IN-39 is a SARS-CoV-2 inhibitor with an EC50 of 1 μM. SARS-CoV-2-IN-39 has antiviral activity and inhibits SARS-CoV-2 by inhibiting SKP2 protein and stabilizing BECN1.

MERS-CoV-IN-1 exhibits excellent inhibitory activity against coronavirus and is useful as a pharmaceutical composition for preventing coronavirus-induced diseases (MERS-CoV and SARS).

SARS-CoV-IN-6 (Compound 17) acts as an inhibitor of SARS-CoV-1 and SARS-CoV-2 RdRp, demonstrating an IC50 value of 7.8 μM against SARS-CoV-2 RdRp. This compound reduces the cytopathic effects of single-round infectious particles (SRIP) infected with SARS-CoV-1 and SARS-CoV-2 replicons and inhibits the expression of SARS-CoVN proteins. The EC50 values for SRIP based on SARS-CoV-1 and SARS-CoV-2 replicons are 0.12 µM and 1.47 µM, respectively.

PLpro-IN-8 (compound 1) serves as an inhibitor of the SARS-CoV papain-like protease (PLpro), exhibiting IC50 values of 5.9 μM for SARS-CoV-2 PLpro and 0.46 μM for SARS-CoV-1 PLpro. Additionally, it hinders the Wuhan SARS-CoV-2 strain WK-521 with an EC50 of 2.7 μM.

SARS-CoV-2 Mpro-IN-32 (Compound 1) is a selective inhibitor of SARS-CoV-2 MPro with an IC50 value of 230 nM. In vitro, it also inhibits the replication of various SARS-CoV-2 variants.

Pixatimod (also known as PG-545) is a synthetic carbohydrate-modified heparan sulfate mimetic and a Toll-like receptor 9 (TLR9) agonist. It exhibits potential immunostimulatory, antitumor, and antiviral effects. Pixatimod effectively inhibits SARS-CoV-2 by disrupting the spike protein-ACE2 interaction. Additionally, it blocks various cancer-promoting processes such as cell proliferation, invasion, metastasis, angiogenesis, and epithelial-mesenchymal transition. These effects have demonstrated significant efficacy in numerous mouse cancer models, including about 30 xenograft models and 20 syngeneic models. Pixatimod has been tested in combination with several approved anticancer compounds, showing clinical potential when used with gemcitabine, paclitaxel, sorafenib, platinum compounds, and anti-PD-1 antibodies.

Pixatimod (also known as PG-545) is a synthetic modified heparan sulfate mimetic and an agonist of Toll-like receptor 9 (TLR9), showcasing potential immunostimulatory, antitumor, and antiviral properties. It effectively inhibits SARS-CoV-2 by disrupting the interaction between the spike protein and ACE2. Moreover, Pixatimod blocks cancer-promoting processes such as cell proliferation, invasion, metastasis, angiogenesis, and epithelial-mesenchymal transition. These activities have demonstrated significant efficacy across various murine cancer models, including approximately 30 xenograft models and 20 syngeneic models. Pixatimod has been tested in combination with several approved anticancer compounds, underscoring its clinical potential, with drugs like gemcitabine, paclitaxel, sorafenib, platinum-based compounds, and an anti-PD-1 antibody.

AAK1 HDACs-IN-1 (Compound 12) is a dual inhibitor targeting AAK1 and HDACs, effectively inhibiting AAK1, HDAC1, and HDAC6, with IC50 values of 15.9, 148.6, and 5.2 nM, respectively. This compound also hinders SARS-CoV-2 infection by blocking the endocytosis of the ACE2-SARS-CoV-2 complex and the AP2M1-ACE2 interaction.