Enterovirus Inhibitor

Viral 2C protein inhibitor 1 (compound 6aw) is a potent and broad-spectrum enterovirus antiviral agent, inhibiting viral 2C protein. Viral 2C protein inhibitor 1 inhibits multiple strains of EV-D68, EV-A71 and CVB3 with EC₅₀s of 0.1~3.6 µM, and exhibits high selectivity index and relatively low cytotoxicity.

R78206 is an antiviral pyridazinamine compound with the activity of protecting poliovirus from thermal inactivation, having different effects on different poliovirus strains at different concentrations, and having a highly effective stabilizing effect on Mahoney procapsids.

Citrullinated LL-37 1cit is a citrullinated LL-37 (HY-P1222) peptide. Citrullinated LL-37 1cit does not alter the antiviral effect of LL-37 toward human rhinovirus. Citrullinated LL-37 1cit shows antibacterial activity toward S. aureus. Citrullinated LL-37 1cit causes a reduction in the levels of IL-8, CCL5, and IL-6 mRNA induced by RV1B.

AZ5385 is an EGFR-tyrosine kinase inhibitor. AZ5385 is a HRV-2 virus blocker, with EC₅₀ of 0.35 µM. AZ5385 affects the late stage of viral life cycle.

DC07090 is a potent, reversible and competitive non-peptidyl human enterovirus 71 3C protease inhibitor with an IC₅₀ and a K_i value for 21.72 μM and 23.29 μM. DC07090 could also inhibit coxsackievirus A16 (CVA16) replication with an EC₅₀ value of 27.76 μM.

9α-Hydroxysophocarpine ((-)-9α-hydroxysophocarpine) is an alkaloid. 9α-Hydroxysophocarpine can be isolated from the rhizomes of Sophora tonkinensis. 9α-Hydroxysophocarpine exhibits antiviral activity against the Coxsackie virus B3 (CVB3).

(Rac)-Golgicide A ((Rac)-GCA) is a racemate of Golgicide A. Golgicide A (GCA) is a potent, highly specific, and reversible inhibitor of the cis-Golgi ADP-ribosylation factor guanine nucleotide exchange factors (ArfGEF) GBF1.Golgicide A drastically reduced replication of coxsackievirus B3 (CVB3) and other human enterovirus species.

ASF-006 sodium, a tetrapodal tryptophan derivative, is a potent viral invasion inhibitor. ASF-006 sodium shows potent antiviral activity against different SARS-CoV-2 Omicron variants but not against the ancestral SARS-CoV.2 strain (Wuhan-Hu-1). ASF-006 sodium competitively inhibits receptor-binding domain (RBD)-ACE2 binding via an allosteric mechanism. ASF-006 sodium inhibits Omicron BA.1, Omicron XBB.1.5, respiratory syncytial virus (RSV) and Ebola virus infection with IC₅₀s of 0.02 μM, 0.3 μM, 1.52 μM and 0.2 μM, respectively. ASF-006 sodium inhibits cell entry of both HIV and enterovirus A71[1].

EV-A71-IN-1 is a human enterovirus A71 (EV-A71) capsid protein inhibitor with an EC₅₀ of 0.27 μM against EV-A71. EV-A71-IN-1 is a capsid binder that blocks the interaction between the viral VP1 and the host receptor hSCARB2. EV-A71-IN-1 inhibits a series of different human enteroviruses without significant cytotoxicity (CC₅₀>56.2 μM).

Pirlindole mesylate is an orally active, selective and reversible MAO-A inhibitor with an IC₅₀ value of 250 nM. Pirlindole mesylate inhibits genomic replication of Enterovirus species B and D, and exhibits moderate activity against enterovirus species A. Pirlindole mesylate inhibits MAO-A-mediated monoamine metabolism, promotes adult hippocampal neurogenesis, rescues stress-induced dendritic atrophy of hippocampal granule neurons, reverses behavioral effects associated with chronic mild stress, and also possesses anticonvulsant, analgesic, local anesthetic, hypotensive, antiplatelet aggregation and antispasmodic activities. Pirlindole mesylate shows no detectable mutagenic, clastogenic or carcinogenic properties. Pirlindole mesylate can be used in research related to depression and enterovirus infections.

(-)-Mecambridine (Compound 2) is a retroprotoberberine alkaloid found in Papaver pseudocanescens M. Pop. (-)-Mecambridine has weak inhibitory activity against poliovirus type 1.

Antiviral agent 21 (Compound 4) is an anti-EV71 agent.

P9R is an antiviral peptide. P9R has broad-spectrum antiviral activities against the coronaviruses (SARS-CoV-2, MERS-CoV and SARS-CoV), A(H1N1)pdm09, A(H7N9) virus, and rhinovirus. P9R directly binds to viruses and inhibits virus-host endosomal acidification. P9R significantly protects mice from A(H1N1)pdm09 infection without generating drug-resistant virus. P9R can be used for pH-dependent respiratory viruses research.

Antiviral agent 64 (Compound 12) is a diarylheptanoid that can be isolated from Alpinia officinarum. Antiviral agent 64 exhibits cytotoxicity in human neuroblastoma cell IMR-32 with an IC₅₀ of 0.23 μM. Antiviral agent 64 exhibits antiviral efficacy, that inhibits RSV, poliovirus, measles virus, HSV-1, and influenza virus H1N1, with EC₅₀ of 13.3, 3.7, 6.3, 5.7, and <10 μg/mL, respectively.

Fukinolic acid is a benzyltartaric acid ester, is a vasodilator with antiviral activity against enterovirus A71 (EV-A71) replication. Fukinolic acid is a receptor-operated Ca²⁺ channels (ROC) inhibitor, suppressing extracellular Ca²⁺ influx through ROC activated by Norepinephrine (HY-13715) without affecting voltage-dependent Ca²⁺ channels.

Hydrobenzole hydrochloride is an antiviral agent. Hydrobenzole hydrochloride has antiviral activity against ECHO-12 virus.

KR-27452 is a selective and orally active PI4KIIIβ inhibitor with an IC₅₀ of 0.026 μM, while showing no activity against PI4KIIIα (IC₅₀ >10 μM) . KR-27452 specifically binds to and inhibits PI4KIIIβ, leading to reduced viral replication in cells. KR-27452 exhibits strong antiviral activity against human rhinovirus (RVs) and Coxsackievirus (COXs). KR-27452 can be used for the research of infection.

EV-A71-IN-3 (Compound IRE-03-3) is the inhibitor for Enterovirus A71 EV-A71 that targets internal ribosomal entry site (IRES) of EV-A71, inhibits IRES-mediated translation, and inhibits the viral proliferation with an EC₅₀ of 11.96 μM.

Fmoc-leucine-¹⁵N is a ¹⁵N-labeled and ¹⁵N-labled Fmoc-leucine (HY-101064).

Jun15799 is an Enterovirus (EVs) 2C protein (EVs 2C) inhibitor with K_is of 0.8, 21.1 and 3.0 μM for EV-D68, EV-A71 and CVB3, respectively. Jun15799 has a significant antiviral activity against EV-D68 US/MO/14-18947, EV-A71 Tainan/4643/1998 and CVB3 Nancy cells (EC₅₀s of 0.3, 11.4 and 0.3 μM, respectively). Jun15799 can be used for viral infections research, such as meningitis, hand, foot and mouth disease (HFMD) and viral myocarditis.