influenza a

3,4'-Dihydroxyflavone (3,4'-DHF) is an orally active flavonoid that exhibits antiviral activity against the Influenza A virus.

Santin (5,7-Dihydroxy-3,6,4'-trimethoxyflavone) is a flavonoid extracted from birch buds exerting antiproliferative, anti-influenza activity and anti-cancer activity. Santin can be used in studies about anti-IAV drugs.

Acetylcysteine (NAC) is an N-acetyl derivative of cysteine, a ROS inhibitor and mucolytic agent. Acetylcysteine induces apoptosis, can be used to reduce mucus thickness, and has anti-influenza viral activity.

1. Ginkgetin has anti-influenza virus and anti-fungal activities. 2. Ginkgetin has anti-inflammatory activity, can down-regulates COX-2 induction in vivo against skin inflammatory responses. 3. Ginkgetin is a good STAT3 inhibitor and may be a useful lead

Isoliquiritigenin (ISL) is a flavonoid natural product that inhibits influenza virus replication (EC50=24.7 μM) and aldose reductase activity (IC50=320 nM). Isoliquiritigenin has antitumor activity.

α-Vitamin E (Dexrabeprazole Sodium) is a naturally-occurring form of vitamin E, a fat-soluble vitamin with potent antioxidant properties.

Desaminotyrosine (3-(4-Hydroxyphenyl)propionic acid) is a microbially associated metabolite. Desaminotyrosine protects from influenza through augmentation of type I interferon signaling.

L-Norleucine ((S)-Norleucine) is an isomer of leucine, specifically affects protein synthesis in skeletal muscle, and has antivirus activity.

Tubercidin (Sparsomycin A), an adenosine analogue, is a nucleoside antibiotic. It is incorporated into DNA and inhibits polymerases, thereby inhibiting DNA replication and RNA and protein synthesis. This agent also exhibits antifungal and antiviral activities.

1. Chelidonine (Stylophorin) isolated from Chelidonium majus efficiently induced apoptosis in HeLa cells through possible alteration of p38-p53 and AKT PI3 kinase signalling pathways. 2. Chelidonine is a promising model compound for overcoming MDR and for enhancing cytotoxicity of chemotherapeutics, especially against leukaemia cells, its efficacy needs to be confirmed in animal models. 3. Chelidonine may be a potential therapeutic agent against metastasis of invasive human cancer cells, exhibits antimigratory and antiinvasive effects in MDA-MB-231 cells, by suppressing COL-induced integrin signaling, through inhibiting the formation of the IPP complex and subsequent downregulation of IPP downstream signaling molecules, such as Akt and ERK1 2.

Ganoderic acid TR is a broad-spectrum inhibitor of influenza neuraminidases (NAs), particularly H1N1 and H5N1 neuraminidases, with IC50 values of 4.6 and 10.9 μM, respectively.

Trans-Clovamide (trans-Clovamide) is a naturally occurring caffeoyl conjugate identified in the antioxidant polyphenolic fraction of cocoa (T. cacao L.) Trans-Clovamide is a potent antioxidantand that has shown neuroprotective effects (EC50s = 0.9-3.7 µM) in several in vitro models of neuronal death. Trans-Clovamide is an excellent ROS and oxygen radical scavenger and also has anti-inflammatory and neuroprotective effects. Clovamide is an anti-microbial with activity against the human pathogens influenza A subtype H5N1, Trypanosoma evansi, and Heliobacter pylori.

FR-198248, a new anti-influenza agent, shows antiinfluenza virus activity in Madin-Darby canine kidney (MDCK) cells in vitro.

Methyl brevifolincarboxylate (Brevifolincarboxylic acid methyl ester) is a potent influenza virus PB2 cap-binding inhibitor, exhibiting inhibitory activity against influenza virus A Puerto Rico 8 34 (H1N1) and A Aichi 2 68 (H3N2) with IC50s of 27.16 μM and 33.41 μM, respectively, and possessing anti-oxidant activity[1][2].

9(S),12(S),13(S)-TriHOME is a linoleic acid-derived oxylipin that has diverse biological activities.1,2,3,4It has been found in various plants and is produced in human eosinophils in a 15-lipoxygenase-dependent, soluble epoxide hydrolase-independent manner.1,59(S),12(S)13(S)-TriHOME inhibits antigen-induced β-hexosaminidase release from RBL-2H3 mast cells (IC50= 28.7 μg ml).2It inhibits LPS-induced nitric oxide (NO) production in BV-2 microglia (IC50= 40.95 μM).3In vivo, 9(S),12(S),13(S)-TriHOME (1 g animal) enhances the antiviral IgA and IgG antibody responses induced by a nasal influenza hemagglutinin (HA) vaccine by 5.2- and 2-fold, respectively, in mice.4 1.Hamberg, M., and Hamberg, G.Peroxygenase-catalyzed fatty acid epoxidation in cereal seeds: Sequential oxidation of linoleic acid into 9(S),12(S),13(S)-trihydroxy-10(E)-octadecenoic acidPlant Physiol.110(3)807-815(1996) 2.Hong, S.S., and Oh, J.S.Inhibitors of antigen-induced degranulation of RBL-2H3 cells isolated from wheat branJ. Korean Soc. Appl. Biol. Chem.5569-74(2012) 3.Kim, C.S., Kwon, O.W., Kim, S.Y., et al.Five new oxylipins from Chaenomeles sinensisLipids49(11)1151-1159(2014) 4.Shirahata, T., Sunazuka, T., Yoshida, K., et al.Total synthesis, elucidation of absolute stereochemistry, and adjuvant activity of trihydroxy fatty acidsTetrahedron62(40)9483-9496(2006) 5.Fuchs, D., Tang, X., Johnsson, A.-K., et al.Eosinophils synthesize trihydroxyoctadecenoic acids (TriHOMEs) via a 15-lipoxygenase dependent processBiochim. Biophys. Acta Mol. Cell Biol. Lipids1865(4)158611(2020)

Herquline A is an alkaloid fungal metabolite originally isolated from P. herquei. It inhibits cell death induced by influenza A strain A/PR/8/34 in MDCK cells with an IC50 value of 10 μg/ml and inhibits viral replication in a plaque assay in a concentration-dependent manner. Herquline A also inhibits platelet aggregation induced by ADP and platelet-activating factor (PAF) in vitro (IC50s = 180 and 240 μM, respectively).

Micronomicin sulfate (Gentamicin C2b sulfate) is an aminoglycoside antibiotic with antimicrobial activity that inhibits neuraminidase N1 of influenza A virus.

Homoplantaginin, a flavonoid derived from the traditional Chinese medicine Salvia plebeia, exhibits protective and therapeutic effects on hepatocyte injury and demonstrates potent inhibitory activities against influenza.

Flutimide, a novel influenza virus endonuclease inhibitor, demonstrates selective inhibition with an IC 50 value of 3 μM and exhibits antiviral activity in cell culture. It is useful for researching acute contagious respiratory diseases, such as influenza.

Goitrin ((S)-Goitrin), formed through glucosinolate-myrosinase reactions, serves as a potent inhibitor of thyroid peroxidase, thereby hindering the thyroid's utilization of iodine. Additionally, it demonstrates anti-influenza virus (H1N1) activity.

Dihydromaniwamycin E, a heat-shock metabolite, exhibits antiviral activity against influenza and SARS-CoV-2 viruses [1].

Maniwamycin E, a derivative obtained from the culture extract of the thermotolerant Streptomyces sp. JA74, exhibits antiviral properties against SARS-CoV-2 and influenza (H1N1) virus [1].

Nepasaikosaponin K is a small molecule compound isolated from Chaikosaponin root with anti-influenza and antiviral activity and can be used in the study of viral infections.

HA Peptide (TFA), a nine amino acid sequence derived from human influenza hemagglutinin (HA), is widely employed in cell biology and biochemistry for the isolation, purification, detection, and tracking of target proteins [1] [2] [3].