33 results about "Vesicular Stomatitis" patented technology

The invention discloses a primer capable of being used for detecting aftosa A type, O type and Asia 1 type viruses, a reagent box comprising the primer and a preparing method thereof. Six gene sequences are available in the primer for detecting the aftosa A type, O type and Asia 1 type viruses, and two universal primers are additionally arranged. Related experiments show that the nucleic acids of the aftosa A type, O type and Asia 1 type viruses can be specifically and rapidly amplified by the primer sequences, and a specific strip is detected by nucleic acid electrophoresis, but the nucleic acids of vesicular stomatitis viruses and swine vesicular disease viruses cannot be amplified under the same conditions. The primer can be used for rapidly identifying the aftosa A type, O type and Asia 1 type viruses and applied in the epidemiological research of aftosa viruses.

The subject invention relates to viruses that are able to replicate and thereby kill neoplastic cells with a deficiency in the IFN-mediated antiviral response, and their use in treating neoplastic disease including cancer and large tumors. RNA and DNA viruses are useful in this regard. The invention also relates to methods for the selection, design, purification and use of such viruses for cancer therapy.

The invention discloses a preparation method of a composite feed additive and the composite feed additive prepared with the preparation method, further discloses a method for preparing an anti-virus agent from the composite feed additive, and the anti-virus agent, and further discloses application of the anti-virus agent in inhibiting vesicular stomatitis viruses and application in preventing animal cells from infection of the vesicular stomatitis viruses. The invention has the beneficial effects that 1, due to mixing and fermentation of two bacteria, namely brewer's yeast and methyl nutritional type bacillus, the composite feed additive is relatively rich in nutrient component and active bacterium, is capable of greatly improving the disease resistance of animals, and has great significances in livestock feeding and feed industry; 2, the anti-virus agent is a composite feed additive lixivium, and has remarkable activity and proliferation inhibition upon VSVs (Vesicular Stomatitis Viruses); 3, the anti-virus agent is capable of effectively preventing animal cells from VSV infection.

The present invention relates to an immunogenic or vaccine composition to induce an immune response or protective immune response against vesicular stomatitis virus (VSV) in an animal susceptible to VSV. The composition may include a pharmaceutically or veterinarily acceptable vehicle or excipient, and a vector. The vector may contain at least one heterologous nucleic acid molecule(s), expresses in vivo in the animal VSV antigen(s), immunogen(s) or epitope(s) thereof, e.g., VSV G protein and / or VSV N protein and / or VSV M protein. The heterologous nucleic acid molecule(s) may be adjusted to the vector / mammalian cell system by codon optimization. The composition can contain an adjuvant, such as carbomer. Methods for making and using such a composition, including prime-boost regimes and including as to differential diagnosis, are also contemplated.

The invention discloses a gene chip and kit used for detecting foot and mouth disease viruses, vesicular stomatitis viruses and swine vesicular disease viruses. The gene chip and kit and a detection method provided by the invention can accurately and effectively detect foot and mouth disease viruses, vesicular stomatitis viruses and swine vesicular disease viruses and have the advantages of high specificity and sensitivity, short detection time, rapid detection and good application prospects.

The invention discloses an attenuated virus vector system, an application of the attenuated virus vector system in preparation of anti-malignant tumor drugs and a drug use method. The virus is RNA virus, its genetic material does not have integration capability in the mammalian cells, and the virus belongs to the field of rhabdoviridae and vesicular stomatitis viruses. The virus vector system structure gene chimeric coding molecule at least comprises an inhibitor specific to an immune checkpoint molecule, the attenuated virus vector system is a novel recombinant expression vector system for chimeric expression of a single-chain antibody aiming at an immune checkpoint, the replication can be specifically completed in tumor cells, and meanwhile, specific antibodies secreting molecules binding to the surfaces of the tumor cells can be expressed, the tumor antigen is released, the anti-tumor specific immune response of immune cells is activated at the same time, meanwhile, the secreted single-chain antibody breaks the immunosuppressive effect of the tumor microenvironment, the removal of CTL cells to tumor cells is promoted, a systematic specific anti-tumor immune memory reaction of anorganism is promoted, and the recurrence of tumors is controlled.

The invention belongs to the technical field of gene engineering, and more specifically relates to a vesicular stomatitis virus recombinant N protein antigen, and a preparation method thereof. The amino acid sequence of the vesicular stomatitis virus recombinant N protein antigen is represented by SEQ ID No.1; and the nucleotide sequence of a gene used for coding the vesicular stomatitis virus recombinant N protein antigen is represented by SEQ ID No.2. The vesicular stomatitis virus recombinant N protein antigen is used for preparing test strips used for rapid detection of vesicular stomatitis virus antibodies; specificity and sensitivity are high; detection is rapid; operation is simple; detection sample amount is small; detection cost is relatively low; and an excellent detection method is provided for vesicular stomatitis virus antibody detection and vesicular stomatitis epidemiological investigation.

Vesicular Stomatitis Viruses expressing foreign nucleic acid sequences were highly attenuated but were lytic for abnormal cells, such as cancers, infected cells. Methods of treatment include the administration of these viruses.

The invention discloses a gene chip for detecting six viruses of zoonosis-borne diseases and the application thereof. The gene chip for the viruses of the zoonosis-borne diseases is a gene chip for detecting at least one virus in six viruses of hepatitis E virus, Nipah virus, rabies virus, Rift Valley fever virus, foot and mouth disease virus and Vesicular stomatitis virus, and is fixed with a hepatitis E virus detection probe, a Nipah virus detection probe, a rabies virus detection probe, a Rift Valley fever virus detection probe, a foot and mouth disease virus detection probe and a Vesicular stomatitis virusdetection probe. The invention also discloses a method for detecting the Rift Valley fever virus, the Nipah virus, the foot and mouth disease virus, the Vesicular stomatitis virus, the hepatitis E virus and / or the rabies virus. The invention can stably and specifically implement generic detection of the six viruses of the zoonosis-borne diseases, has the advantages of simpleness, convenience, quickness, good specificity and high sensitivity, and can be used for detecting clinical samples.

The invention discloses a detection kit, primer and probe capable of simultaneously detecting and identifying a foot-and-mouth disease and vesicular stomatitis. The primer and the probe are shown as sequence tables SEQ ID NO:1 to SEQID NO:14. The invention further discloses a one-step-method multiplex fluorescence RT-PCR detection kit rapid, accurate and convenient to use and simultaneously detecting and identifying the foot-and-mouth disease and the vesicular stomatitis. By adopting the detection method, one-time sampling and one-time analysis can be achieved, the purpose of simultaneously detecting and distinguishing three types of important viruses can be achieved, the working amount and cost for detection is reduced, epidemic disease detection can be completed within the shortest time, and time is won for disease prevention and treatment.

The invention discloses a primer for detecting vesicular stomatitis viruses, a detection kit composed of the primer and a preparation method of the detection kit. The primer for detecting the vesicular stomatitis viruses has gene sequences, namely SEQ ID No.1, SEQ ID No.2, SEQ ID No.3 and SEQ ID No.4. A related experiment shows that a nucleic acid of the VSV can be specifically and rapidly amplified by the primer sequence and a specific band can be detected by nucleic acid electrophoresis; and meanwhile, the primer has the specificity. The primer can be applied to preparation of a GeXP diagnostic kit for rapidly identifying the VSV and applied to epidemiologic studies of vesicular stomatitis.

The invention relates to a method for inactivating vesicular stomatitis viruses. Thus, hematin can contact with vesicular stomatitis viruses. A reagent for inactivating the vesicular stomatitis viruses is also related. The reagent includes alkali, hemin and solvents, wherein the mass percentage concentration of the alkali is 0.01-0.1%, and the feeding mass percentage concentration of the hemin is0.001-0.1%. The reagent has no toxicity to cells and can well inactivate the vesicular stomatitis viruses; and the method is simple and can remove added inactivation reagents without post-processing operation.

The invention discloses primers which can be used for detecting aftosa (type A, type O, and type Asia 1), swine pox and vesicular stomatitis at the same time, a kit consisting of the primers and a preparation method, and a use method of the kit for a dis-illness diagnosis purpose. The invention provides 10 gene sequences of the primers for detecting type A, type O, and type Asia 1 viruses of aftosa, and the kit further comprises two general primers besides the ten primers. Related experiments show that sensitivity of the use method in the invention is higher than sensitivity of general fluorogenic quantitative PCR technology. Compared with the fluorogenic quantitative PCR technology, the detection time is greatly saved; augmentation of non-specific products is avoided; phenomenon of preferences of primers is effectively avoided; and detection sensitivity is improved.

The world is plagued with several viruses some of which have prevention and treatment tools available, while every so often a new strain will show up without sensitivity to existing drugs. The present invention provides plant-based flavonoid pharmaceutical compositions for inhibition of kinases, particularly phosphatidylinositol-4-kinases (PI4Kiiiβ), AAK1, BIKE, GAK and other transcription factors required for viral entry, replication and survival, and consequent for prevention and treatment of RNA viruses including but not limited to adenoviruses, alphaviruses, coronaviruses, enteroviruses, flaviviruses, hepatitis, herpes, influenza viruses, measles, picornaviruses, vesicular stomatitis and associated disorders. A method for synthesizing the flavonoids and formulation into therapeutic products are also disclosed.

Based on a highly conserved domain of a foot-and-mouth disease virus 3D protein coding gene, a vesicular stomatitis virus N protein coding gene and a swine vesicular disease virus VP1 protein coding gene, the invention designs a specific primer and a probe and develops a multiple fluorescence RT-PCR detection method used for simultaneously detecting the three animal viruses. The detection method can detect 102 copied plasmids containing target amplification sequences in 1 h. The method has high sensitivity and good specificity, and can achieve rapid high-throughput fluorescence RT-PCR detection for single-virus infection or mixed infection by a plurality of viruses.