Abstract: Provided is an HIV fusion inhibitor peptide having an amino acid sequence of any one of SEQ ID NO:9, SEQ ID NO:10, SEQ ID NO:11, SEQ ID NO:12, SEQ ID NO:13, SEQ ID NO:14, or SEQ ID NO:15; and provided is a pharmaceutical composition comprising a HIV fusion inhibitor peptide and one or more of a pharmaceutically acceptable carrier and macromolecular carrier, and uses and methods of treatment provided by these compositions.

Abstract: The invention provides a method of reducing viral infectivity in a sample compnsing contacting the sample with a earner matrix wherein lipids are attached to the carrier matrix, and wherein at least one virus-specific agent is attached to the lipids The virus-specific agent is capable of binding to at least one viral component The virus specific agent may be a receptor The earner matrix may be a silica particle, which may be coated with a lipid bilayer The invention further provides a method of inactivating a virus comprising contacting the virus with a earner matrix wherein lipids are attached to the earner matrix, and wherein at least one receptor is attached to the lipids, binding the receptor to at least one viral receptor-binding protein, and activating at least one viral fusion protein, wherein activation inactivates the virus, and releases the virus from the earner matrix

Abstract: The invention provides improved nucleic acids for anti-HIV therapy. The invention further provides selection methods which are capable of predicting already at an early stage of development whether promising anti-pathogenic candidate compounds will be suitable for therapeutic use in vivo.

Abstract: Compounds of the formula I: including any possible stereoisomers thereof, or a pharmaceutically acceptable salt and/or solvate thereof, as well as pharmaceutical formulations and the use of compounds of formula I as HCV inhibitors.

Abstract: Disclosed herein are compounds which exhibit antiviral activity against a plurality of viruses belonging to different families such as Bornaviridae, Filoviridae, Paramyxoviridae, Rhabdoviridae, Arenaviridae, Bunyaviridae, Orthomyxoviridae, and Poxviridae. Thus, methods of preventing, inhibiting, or reducing the viral activity of various viruses are provided as well as methods of treating viral infections.

Abstract: The invention provides lipophilic conjugates comprising a short isolated peptide coupled to a hydrophobic moiety, the peptide comprising a sequence derived from the HIV-1 gp41 N-terminal heptad repeat domain, said peptide after conjugation to the hydrophobic moiety possesses anti-fusogenic activity higher than prior to conjugation. The lipophilic conjugates are suitable for treatment of infections caused by human and non-human retroviruses, especially HIV.

Abstract: The present invention pertains to methods of using arginine to inactivate or reduce the infectious titer of enveloped viruses potentially present in biological compositions produced by eukaryotic cells (such as a antibodies or other therapeutic proteins). In some embodiments, inactivation or reduction of viral titers by exposure to arginine is achieved in a neutral (pH ˜7) or near neutral (˜pH 6 to ˜pH 8) environment.

Abstract: This disclosure is directed to: (a) processes for preparing a compound and salts thereof that, inter alia, are useful for inhibiting hepatitis C virus (HCV); (b) intermediates useful for the preparation of the compound and salts; (c) pharmaceutical compositions comprising the compound or salts; and (d) methods of use of such compositions.

Abstract: The present invention provides methods for the use of viral capsid proteins and chaperone proteins to produce immunogenic macro-molecular structures as antigen carrier to carry desired epitopes or antigens, for enhancing the immunogenicity of the carried epitopes or antigens for therapeutic or prophylactic vaccination. The immunogenic macro-molecular structures may also be used for therapeutic or prophylactic vaccination.

Abstract: The invention provides compositions, kits and methods utilizing polypeptides having a viral alpha-helix heptad repeat domain in a stabilized a-helical structure (herein also referred to as SAH). The compositions are useful for treating and/or preventing viral infections. The invention is based, at least in part, on the result provided herein demonstrating that viral hydrocarbon stapled alpha helical peptides display excellent proteolytic, acid, and thermal stability, restore the native alpha-helical structure of the peptide, are highly effective in interfering with the viral fusogenic process, and possess superior pharmacokinetic properties compared to the corresponding unmodified peptides.

Abstract: This invention features polypeptides, variants thereof, and fragments thereof useful in eliciting an immune response (e.g., neutralizing antibodies) against abroad spectrum of HIV-I isolates. The polypeptides, variants, and fragments include a portion of the gp120 V2 domain of HIV-I. The polypeptides, variants, and fragments display an epitope that is recognized by at least one antibody which neutralizes at least one HIV-I primary isolate. This invention also features nucleic acid sequences encoding those polypeptides. In addition, the invention provides methods of screening for inhibitors of HIV-I entry into cells, as well as methods of treatment using the inhibitors.

Abstract: The invention relates to compositions and methods for preventing and diminishing virus infection. The invention further relates to compositions and methods for diminishing inflammation associated with viral infection. The invention also relates to compositions and methods for interfering with TLR activation, and thereby diminishing inflammation associated with viral infection.

Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the Hepatitis C Virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the Hepatitis C Virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.

Abstract: A tyrosine-based (phosphonylmethoxyalkyl)purine or -pyrimidine conjugate is provided. In some embodiments, the conjugate includes tyrosine based amino acid or dipeptide moieties of (S)-9-(3-hydroxy-2-phosphonyl-methoxypropyl)adenine or its cytosine analogue. A method of synthesizing such conjugates based on Boc-protected amino acid or dipeptides is also provided. In addition, a method of isomerizing an (S,S)-diastereoisomer to an (S,R)-diastereoisomer of an amino acid-based or dipeptide-based conjugate by a process including transesterification is provided. A method of inhibiting viral infection and a method of treating viral infection based on (phosphonylmethoxyalkyl)purine or -pyrimidine conjugates is also provided.

Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.

Abstract: The present invention relates to monoparamunity inducers based on paramunizing viruses or viral components of a myxomavirus strain from rabbits with typically generalizing disease, to a method for the production thereof and to the use thereof as medicaments for the regulatory optimization of the paramunizing activities for the prophylaxis and therapy of various dysfunctions in humans and animals.

Abstract: The present invention provides a polymer modified nucleic acid vector in which the nucleic acid vector is covalently linked to a polymer, which polymer comprises one or more positively charged quaternary amino groups.

Abstract: The present invention relates to a method for degrading host cell nucleic acids associated with a virus or a viral antigen thereof produced by cell culture, the method comprising at least two steps of nucleic acids degradation with a compound selected from i) an endonuclease and ii) a DNA alkylating agent.

Abstract: Provided herein are methods for treatment of a liver disease by administering a combination of a matrix metalloproteinase inhibitor and a caspase inhibitor. Also provided are methods for reducing liver damage associated with a liver disease by administering the MMP and caspase inhibitors described herein. Further provided are methods for lowering an elevated level of liver enzymes.

Abstract: The present invention features methods of treating or preventing a viral infection in a subject, methods of inhibiting a virus in a biological sample, and methods of treating or preventing a viral infection caused by a virus in or on the skin or mucus membrane. The instant invention describes novel methods for treating viral infections, in particular infections caused by high mannose enveloped viruses, for example hepatitis C virus (HCV).

Abstract: The present invention relates to compounds of formula I: or a pharmaceutically acceptable salt or mixtures thereof that inhibit serine protease activity, particularly the activity of hepatitis C virus NS3-NS4A protease.

Abstract: Provided herein are 5,5-fused heteroarylene hepatitis C virus inhibitor compounds, for example, of Formula I, IA, or IB, pharmaceutical compositions comprising the compounds, and processes of preparation thereof. Also provided are methods of their use for the treatment of an HCV infection in a host in need thereof.

Abstract: Described is a composition and method for reducing the occurrence and severity of infectious diseases, especially infectious diseases such as SARS, in which lipid-containing infectious viral organisms are found in biological fluids, such as blood. The present invention employs solvents useful for extracting lipids from the lipid-containing infectious viral organism thereby creating immunogenic modified, partially delipidated viral particles with reduced infectivity. The present invention provides delipidated viral vaccine compositions, such as therapeutic vaccine compositions, comprising these modified, partially delipidated viral particles with reduced infectivity, optionally combined with a pharmaceutically acceptable carrier or an immunostimulant. The vaccine composition is administered to a patient to provide protection against the lipid-containing infectious viral organism or, in case of a therapeutic vaccine, to treat or alleviate infection against the lipid-containing infections viral organism.

Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.

Abstract: Disclosed herein are methods of use of methylsulfonylmethane (MSM) to modulate microbial activity, such as to enhance or inhibit the activity of microorganisms. In one example, MSM (such as about 0.5% to 5% MSM) is used to enhance fermentation efficiency, such as to enhance fermentation efficiency associated with the production of beer, cider, wine, a biofuel, dairy product or any combination thereof. Also disclosed are in vitro methods for enhancing the growth of one or more probiotic microorganisms and methods of enhancing growth of a microorganism in a diagnostic test sample. Methods of inhibiting microbial activity are also disclosed. In one particular example, a method of inhibiting microbial activity includes selecting a medium that is susceptible to H1N1 influenza contamination; and contacting the medium with MSM at a concentration of about 10% to about 16% of weight by volume, thereby inhibiting H1N1 influenza microbial activity.

Abstract: Provided herein are macrocyclic serine protease inhibitor compounds, for example, of Formula Ia or Ib, pharmaceutical compositions comprising the compounds, and processes of preparation thereof. Also provided are methods of their use for the treatment of an HCV infection in a host in need thereof.

Abstract: The present invention discloses compounds of formula Ia or Ib or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit serine protease activity, particularly the activity of hepatitis C virus (HCV) NS3-NS4A protease. Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention.

Abstract: The invention concerns molecules with a bis-(heteroaryl)maleimide structure and having inhibiting characteristics with respect to enzymes with a catalytic pocket comprising the invariant amino acids D, D and E or D, D and D, such as transposases, RAG recombinases or retroviral integrases. The invention also concerns the use of said molecules for in vitro, ex vivo or in vivo inhibition of transposases, RAG recombinases and retroviral integrases such as HIV integrase, as well as the use of said molecules in the treatment of diseases associated with these enzymes in an animal or human host, in particular in the treatment of AIDS.

Abstract: The present invention relates to antisense antiviral compounds and methods of their use and production in inhibition of growth of viruses of the Orthomyxoviridae family and in the treatment of a viral infection. The compounds are particularly useful in the treatment of influenza virus infection in a mammal.

Abstract: The present invention is a composition comprising a live virus having an infectious component and a plurality of surface antigens in contact with a formaldehyde donor agent having a molecular weight that is less than about 400 g/mol. The present invention further provides a method for deactivating a live virus having an infectious component and a plurality of surface antigens, comprising the steps of: a) providing a live virus having an infectious component and a plurality of surface antigens; and b) contacting the virus with a formaldehyde donor agent having a molecular weight that is greater than about 50 g/mol and less than about 400 g/mol for a period of time (e.g., at least about 12 hours) sufficient for de-activating the infectious component with the formaldehyde donor agent and for preserving at least a portion of the surface antigens to form a deactivated virus.

Abstract: The present invention relates to monoparamunity inducers based on paramunizing viruses or viral components of a myxomavirus strain from rabbits with typically generalizing disease, to a method for the production thereof and to the use thereof as medicaments for the regulatory optimization of the paramunizing activities for the prophylaxis and therapy of various dysfunctions in humans and animals.

Abstract: The present invention relates to compounds that modulate the replication of negative-sense, single-stranded RNA viruses, such as influenza virus, and the use of such compounds. The invention relates to methods for increasing the titer of negative-sense, single-stranded RNA viruses, such as influenza virus, in substrates for virus propagation (e.g., tissue culture). The invention also relates to the use of compounds that decrease virus replication as antiviral agents. The invention further relates to methods for identifying compounds that modulate the replication of negative-sense, single-stranded RNA viruses, in particular, influenza virus.

Abstract: Provided herein are methods for purifying recombinant A Disintegrin-like and Metallopeptidase with Thrombospondin Type 1 Motif 13 (ADAMTS13) protein from a sample. The method comprises enriching for ADAMTS13 protein by chromatographically contacting the sample with hydroxyapatite under conditions that allow ADAMTS13 protein to appear in the eluate or supernatant from the hydroxylapatite. The methods may further comprise tandem chromatography with a mixed mode cation exchange/hydrophobic interaction resin that binds ADAMTS13 protein. Additional optional steps involve ultrafiltration/diafiltration, anion exchange chromatography, cation exchange chromatography, and viral inactivation. Also provided herein are methods for inactivating virus contaminants in protein samples, where the protein is immobilized on a support. Also provided herein are compositions of ADAMTS13 prepared according to said methods.

Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The present invention relates to novel antiviral compounds represented herein above, pharmaceutical compositions comprising such compounds, and methods for the treatment or prophylaxis of viral (particularly HCV) infection in a subject in need of such therapy with said compounds.

Abstract: This invention relates to: (a) compounds and salts thereof that, inter alia, inhibit HCV; (b) intermediates useful for the preparation of such compounds and salts; (c) compositions comprising such compounds and salts; (d) methods for preparing such intermediates, compounds, salts, and compositions; (e) methods of use of such compounds, salts, and compositions; and (f) kits comprising such compounds, salts, and compositions.

Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The present invention relates to novel antiviral compounds represented herein above, pharmaceutical compositions comprising such compounds, and methods for the treatment or prophylaxis of viral (particularly HCV) infection in a subject in need of such therapy with said compounds.

Abstract: The present invention discloses compounds of Formula (I), or pharmaceutically acceptable salts, esters, or prodrugs thereof: which inhibit RNA-containing virus, particularly the hepatitis C virus (HCV). Consequently, the compounds of the present invention interfere with the life cycle of the hepatitis C virus and are also useful as antiviral agents. The present invention further relates to pharmaceutical compositions comprising the aforementioned compounds for administration to a subject suffering from HCV infection. The invention also relates to methods of treating an HCV infection in a subject by administering a pharmaceutical composition comprising the compounds of the present invention. The present invention relates to novel antiviral compounds represented herein above, pharmaceutical compositions comprising such compounds, and methods for the treatment or prophylaxis of viral (particularly HCV) infection in a subject in need of such therapy with said compounds.

Abstract: Described herein are methods of inhibiting the activity of a virus or a bacterium comprising contacting a virus or bacterium with a polymer functionalized with at least one boronic acid moiety. Also described are methods of treatment using such functionalized polymers.

Abstract: The present invention pertains to methods of inactivating human immunodeficiency virus (HIV), both in vitro and in vivo. Such methods also relate to treating HIV-related symptoms and the treatment of acquired immune deficiency syndrome in patients. Methods typically employ administering a composition comprising ammonium chloride such that HIV is inactivated.

Abstract: Disclosed herein are compounds, compositions and methods related to viral inhibition. In some forms, the compounds, compositions and methods are related to binding RNA.

Abstract: Administration protocols for a fusion protein, matrix protein and psoralen inactivated HIV based immunogenic composition that induces an immune response to HIV. The immunogenic compositions are based on HIV biologically active fusion peptide, matrix peptide, or psoralen inactivated HIV. The number of doses is 3X. The starting dose for an adult is 1x109-1x1010. The starting dose for an adolescent is ½(1x109-1x1010). The starting dose for a pediatric patient is ¼(1x109-1x1010). The second dose will consist of 1/10th of starting concentrations. The third dose will consist of 1/100th of starting concentrations. This will facilitate a Th-1 response. The days of administration are days 1; 30; and 180. Alternatively the days of administration are days 1; 20-40; and 160-200. The site of administration is one that targets lymphatic tissue. Adjuvant is administered before, simultaneous with or after each dose of the immunogenic compositions.

Abstract: The invention involves inactivation of viral populations by treating the viral populations with a compound to crosslink proteins in the viral membrane, UV irradiation and further inactivation of the viruses using detergent(s). According to the invention, this method preserves the native structure of viral epitopes so that the inactivated viral preparations can be used in immunological compositions that will inhibit and/or prevent viral infection when administered to an animal.

Abstract: Provided are immunogenic and vaccine compositions and methods for their preparation and use, which compositions are effective in protecting against, minimizing the severity of, preventing, and/or ameliorating infection of ruminants with Bluetongue virus. Administration to an animal of at least one dose of an adjuvanted and twice inactivated Bluetongue virus composition as disclosed herein is effective in providing immunity to the animal and protection from infection with Bluetongue virus, thereby reducing the severity of and/or preventing disease caused by one or more strains or serotypes of Bluetongue virus.

Abstract: A process suitable for processing scaled-up amounts of source material in the range of tens of kilograms for the purification of alpha-1 proteinase inhibitor (API) from a mixture of unpurified proteins is provided. More particularly, a process for the purification of API from blood plasma or from plasma fractions to obtain pharmaceutical grade API on a commercial scale is provided. The API produced by the process is highly pure (at least 90% API out of the total protein) and highly active (at least 90% active API). Pharmaceutical compositions comprising the purified API and methods of using same are also described.

Abstract: The present inventors improved methods for inactivating Japanese encephalitis virus vaccines, and assessed the safety of vaccines produced by combining multiple vaccines. The present inventors successfully produced safer Japanese encephalitis vaccines by cell culture, which can be stored more stably over a long period than conventional Japanese encephalitis vaccines. Furthermore, it is also expected that the production methods can be used to produce other viral vaccines with excellent storage stability.

Abstract: The present invention relates to monoparamunity inducers based on paramunizing viruses or viral components of a myxomavirus strain from rabbits with typically generalizing disease, to a method for the production thereof and to the use thereof as medicaments for the regulatory optimization of the paramunizing activities for the prophylaxis and therapy of various dysfunctions in humans and animals.

Abstract: A number of improvements for preparing vaccine antigens from disintegrated influenza viruses are disclosed. A splitting step can be followed by detergent exchange. Splitting can take place in the presence of a buffer with a higher ionic strength and/or in the presence of phosphate buffer.

Abstract: A method to prepare inactivate viral vaccine by exposing the virus to a predetermined concentration of an inactivating psoralen, and a preselected intensity of ultraviolet radiation for a time period sufficiently long to render the virus non-infectious but less than that which would result in degradation of its antigenic characteristics.

Abstract: Compounds having unique antiviral properties are prepared from medicinal mushroom mycelium, extracts and derivatives. The compositions are derived from Fomitopsis and blends of medicinal mushroom species and are useful in preventing and treating viruses including Poxviridae and Orthopox viruses.

Abstract: Provided is a process for preparing attenuated viral strains, comprising to contact, at least one sulphated polymer and a virus susceptible to the inhibition of the polymer, via successive passages of the virus with increasing polymeric concentrations, where the amenable virus is characterized by the method of reducing viral plates and where the strain resulting from the attenuated virus has stable phenotypic and genotypic characteristics, different from that of the virus strain in wild state that generated thereto. The process comprises to contact the sulphated polymer(s) with the virus susceptible to the inhibition of the polymer via about 15 or more successive passages with increasing concentrations of the sulphated polymer(s). According to the inventive process, the concentration of the at least one sulphated polymer in the first passage should be less than the IC50 of the polymer for the amenable virus when it is found in wild state.