viral

Cyclosporin H (CsH), a specific inhibitor of FPR1, inhibited lung inflammation in the ALI models. CsH significantly attenuated MTDs or NFP-induced inflammatory lung injury and activation of MAPK and AKT pathways. Cyclosporin H is a viral transduction enha

Survivin (baculoviral inhibitor of apoptosis IAP repeat-containing protein-5) is a member of the IAP gene family, which has been implicated in both inhibitions of apoptosis and mitosis regulation1. Survivin is one of the most uniformly up-regulated genes

Bulevirtide (Myrcludex B) acetate is a viral particle entry inhibitor that blocks the hepatocyte entry pathway for viral particles, the hepatic sodium taurine co-transport polypeptide (NTCP) receptor. It can be used in HBV and HDV infection studies.

Feglymycin is a 13-amino acid peptide originally isolated from Streptomyces that has antibacterial and antiviral activities. It is active against Gram-positive bacteria (MICs = 32-64 μg/ml) and inhibits HIV viral replication in H9 cells (IC50 = ~5 μM). Feglymycin is also active against clinical isolates of HIV-1 from clades A-D, A/E, and G (EC50s = 0.5-6.7 μM). It interacts with gp120 and inhibits HIV-1 NL4.3 binding to human soluble CD4 (EC50 = 4.4 μM) and to CD4+ SupT1 T cells by 74.5% when used at a concentration of 10.5 μM. Feglymycin inhibits the E. coli peptidoglycan biosynthesis enzymes MurA and MurC (Kis = 3.4 and 0.3 μM, respectively) in a noncompetitive manner.

CHIKV-IN-3 is a potent inhibitor effective against two low-passage CHIKV strains, with EC50 values of 1.55 μM for CHIKV-122508 and 0.14 μM for CHIKV-6708, respectively. It targets host cells to disrupt viral replication while maintaining minimal cytotoxic liability (CC50 > 100 μM). Additionally, CHIKV-IN-3 has shown a prophylactic effect [1].

Herpes Virus Inhibitor 2, a compound known for its effectiveness in disrupting the quaternary structure of herpes virus ribonucleotide reductase, functions as a potent inhibitor of viral replication, thereby halting the progression of the herpes virus [1] [2].

H-Gly-Pro-Gly-NH2, a tripeptide, effectively inhibits HIV-1 replication by interfering with capsid formation, demonstrating antiviral activity particularly against HIV-1 III B and HIV-2 ROD with EC 50 values of 35 µM and 30 µM, respectively. This compound's ability to disrupt the viral replication process positions it as a valuable asset for virus research [1] [2] [3].

Human α-defensin 5 is an antiviral peptide that inhibits the infection of non-enveloped viruses such as AdV, HPV, and polyomaviruses, with an IC50 range of 0.6-1.25 μM specifically for HPV16. It functions by binding to the viral capsid and preventing viral escape from the endosome. Additionally, Human α-defensin 5 enhances HIV attachment to the cell surface and exhibits parasiticidal activity [1].

SAP1 is a bioactive peptide that inhibits viral entry into cells.

Retrocyclin-101 is an antimicrobial peptide exhibiting activity against bacterial and viral pathogens [1].

Prostatic Acid Phosphatase (248-286), or PAP (248-286), is a biologically active peptide and a semen-derived enhancer of viral infection (SEVI) factor present in semen. It significantly amplifies HIV infection by promoting enhanced virion attachment to target cells.

Influenza NP (311-325) is a biologically active peptide consisting of amino acids 311 to 325 from the influenza virus nucleoprotein (NP). As a bona fide MHC class II-restricted epitope, it is critical for studying host immune responses during viral infection, inducing robust gamma interferon (IFN-gamma) production in intracellular cytokine assays without stimulating CD8 T-cells in mice. The presence of Glutamine (Q) or Glutamic acid (E) at the N-terminus can lead to spontaneous formation of Pyroglutamyl (pGlu) peptides, enhancing peptide stability against gastrointestinal proteases. These peptides are considered a normal variant and included in peptide purity measurements in HPLC analysis.

HEP-1 (Human ezrin peptide (324-337)) is an orally active peptide with anti-HIV properties, shown to enhance antibody titers after hepatitis B vaccination. Its potential in viral infection treatment warrants further investigation [1].

ATV041, an orally active compound that combines features of Ibuprofen and nucleotide analogues, enhances the oral pharmacokinetic (PK) profile and tissue distribution, exhibiting anti-mouse hepatitis virus (MHV) activity. The compound demonstrates a dose-dependent reduction in viral load, tissue damage, and virus-induced inflammation [1].

Alloferon 1, a peptide derived from the blood of the blow fly Calliphora vicina (Diptera) [1] [2] [3], exhibits antiviral and antitumoral properties. It activates natural cytotoxicity of human peripheral blood lymphocytes, induces IFN synthesis, and enhances resistance against viral and tumor challenges in mice. Additionally, Alloferon 1 demonstrates anti-inflammatory effects in λ-carrageenan-induced paw edema models.

Ac-DNLD-CHO (Ac-Asp-Asn-Leu-Asp-CHO) is an inhibitor of Caspase-3 7, with IC50 values of 9.89 nM and 245 nM, and approximate Ki values of 0.68 nM and 55.7 nM, respectively. This compound is utilized in the study of diseases associated with caspase-mediated apoptosis, including neurodegenerative and viral infection diseases [1].

F9170, an antiviral peptide derived from the HIV-1 envelope glycoprotein (amino acids 789-803), targets the LLP1 domain in the virus's envelope protein cytoplasmic tail. This interaction inhibits HIV-1 IIIB infection in MT-2 cells, evidenced by an EC50 value of 0.19 µM. Additionally, at a dosage of 3 mg/kg, F9170 significantly lowers plasma viral load in rhesus macaques infected with simian HIV (SHIV).

Nucleoprotein (396-404) refers to a specific fragment within the lymphocytic choriomeningitis virus (LCMV). This fragment, also known as the H-2D(b)-restricted immunodominant epitope, has been identified as a significant component of the viral antigen. It can be utilized as a valuable molecular model for studying viral antigens.

β-Amyloid (29-40) is a fragment of Amyloid-β peptide. Alzheimer's beta amyloid peptide (29-40 42) C-terminal fragments exhibit physical and chemical properties similar to fusion peptides of viral proteins, inducing liposome fusion in vitro.

VSV-G Peptide acetate(103425-05-4 free base) is a 11 amino acid peptide derived from the Vesicular Stomatitis viral glycoprotein.

HIV p17 Gag (77-85) is an attractive target for molecular intervention due to its involvement in the viral replication cycle at both pre- and postintegration levels. In current experiments, we targeted p17 by intracellularly expressing a cDNA encoding an Ab to p17.

GRGDSPC, a 7-amino acid thiolated cell adhesion peptide, serves as an ideal novel targeted non-viral gene delivery vector due to its ease of synthesis, high efficiency, and low cytotoxicity.

Alisporivir intermediate-1 is a crucial intermediate compound utilized in the synthesis process of Alisporivir, a therapeutic agent employed for the treatment of inflammatory and viral ailments.

Selective formyl peptide receptor 2 (FPR2) antagonist; cell permeable. Selectively inhibits FPR2-mediated NADPH oxidase activity but has no effect on FPR1 signaling in neutrophils. Displays PIP2 binding activity in vitro and blocks cell motility. Also exh