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PubMed Journals Articles About "Regenxbio Inks Viral Vector Rights Deal With Pfizer" RSS

00:59 EST 22nd November 2019 | BioPortfolio

Regenxbio Inks Viral Vector Rights Deal With Pfizer PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Regenxbio Inks Viral Vector Rights Deal With Pfizer articles that have been published worldwide.

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Showing "Regenxbio Inks Viral Vector Rights Deal With Pfizer" PubMed Articles 1–25 of 9,100+

Storm warning: lung disease in systemic juvenile idiopathic arthritis.

Dr. Nigrovic's work was supported by the NIH grants R01 AR065538, AR075906, AR073201 and P30 AR070253, the Fundación Bechara and the Arbuckle Family Fund for Arthritis Research. PAN is the recipient of investigator-initiated research grants from Novartis, Pfizer, Sobi, and Bristol-Myers Squibb; consulting fees from Novartis, Pfizer, Sobi, Quench Bio ($10,000); salary support from the Childhood Arthritis and Rheumatology Research Alliance; and royalties from UpToDate and the American Academy of Pediatrics. ...


Generation of Chimeric Antigen Receptor T Cells Using Gammaretroviral Vectors.

Manufacturing chimeric antigen receptor (CAR)-modified T cells requires incorporation of the CAR transgene, for which viral vectors are most often used. Here, we describe the generation of CAR T cells using primary human T cells and a non-self-inactivating gammaretroviral vector encoding a CAR transgene. The gammaretroviral vector is produced by 293T cells transiently transfected with DNA plasmids encoding necessary components of the viral vector. The resulting viral particles efficiently infect activated T...

Generation of a caged lentiviral vector through an unnatural amino acid for photo-switchable transduction.

Application of viral vectors in gene delivery is attracting widespread attention but is hampered by the absence of control over transduction, which may lead to non-selective transduction with adverse side effects. To overcome some of these limitations, we proposed an unnatural amino acid aided caging-uncaging strategy for controlling the transduction capability of a viral vector. In this proof-of-principle study, we first expanded the genetic code of the lentiviral vector to incorporate an azido-containing ...


Challenges of Gene Delivery to the Central Nervous System and the Growing use of Biomaterial Vectors.

Gene therapy is a promising form of treatment for those suffering from neurological disorders or central nervous system (CNS) injury, however, obstacles remain that limit its translational potential. The CNS is protected by the blood brain barrier, and this barrier blocks genes from traversing into the CNS if administered outside of the CNS. Viral and non-viral gene delivery vehicles, commonly referred to as vectors, are modified to enhance delivery efficiency to target locations in the CNS. Still, there ar...

First-in-human randomized study to assess the safety and immunogenicity of an investigational respiratory syncytial virus (RSV) vaccine based on ChAd155 viral vector expressing RSV viral proteins F, N and M2-1 in healthy adults.

Respiratory syncytial virus (RSV) disease is a major cause of infant morbidity and mortality. This phase I, randomized, observer-blind, placebo- and active-controlled study (NCT02491463) evaluated an investigational vaccine against RSV (ChAd155-RSV) using the viral vector chimpanzee-adenovirus-155, encoding RSV fusion (F), nucleocapsid and transcription anti-termination proteins.

Identification of the optimal insertion site for expression of a foreign gene in an infectious hematopoietic necrosis virus vector.

Infectious hematopoietic necrosis virus (IHNV) was developed as a vector to aid the construction of vaccines against viral diseases such as viral hemorrhagic septicemia virus, spring viremia of carp virus, and influenza virus H1N1. However, the optimal site for foreign gene expression in the IHNV vector has not been determined. In the present study, five recombinant viruses with the green fluorescence protein (GFP) gene inserted into different genomic junction regions of the IHNV genomic sequence were gener...

Efficient episomal gene transfer to human hepatic cells using the pFAR4-S/MAR vector.

Liver-directed gene therapy, using mainly viral vectors for the genetic cell modification, is a promising therapeutic approach for many genetic and metabolic liver diseases. The recent successful preclinical trials with AAV vectors expose the benefits as well as the limitations of the system. We focused on the development of an alternative non-viral episomal gene transfer system, by inserting the DNA element Scaffold/Matrix Attachment Region (S/MAR) into the free of antibiotic resistance gene miniplasmid ve...

Utilization of Herpesviridae as Recombinant Viral Vectors in Vaccine Development against Animal Pathogens.

Throughout the past few decades, numerous viral species have been generated as vaccine vectors. Every viral vector has its own distinct characteristics. For example, the family herpesviridae encompasses several viruses that have medical and veterinary importance. Attenuated herpesviruses are developed as vectors to convey heterologous immunogens targeting several serious and crucial pathogens. Some of these vectors have already been licensed for use in the veterinary field. One of their prominent features i...

Reversible Gene Regulation in Mammalian Cells Using Riboswitch-Engineered Vesicular Stomatitis Virus Vector.

Synthetic riboswitches based on small molecule-responsive self-cleaving ribozymes (aptazymes) embedded in the untranslated regions (UTRs) allow chemical control of gene expression in mammalian cells. In this work, we used a guanine-responsive aptazyme to control transgene expression from a replication-incompetent vesicular stomatitis virus (VSV) vector. VSV is a nonsegmented, negative-sense, cytoplasmic RNA virus that replicates without DNA intermediates, and its applications for vaccines and oncolytic vira...

Recombinant vector vaccine evolution.

Replicating recombinant vector vaccines consist of a fully competent viral vector backbone engineered to express an antigen from a foreign transgene. From the perspective of viral replication, the transgene is not only dispensable but may even be detrimental. Thus vaccine revertants that delete or inactivate the transgene may evolve to dominate the vaccine virus population both during the process of manufacture of the vaccine as well as during the course of host infection. A particular concern is that this ...

Interaction of RNA viruses of the natural virome with the African malaria vector, Anopheles coluzzii.

Mosquitoes are colonized by a little-studied natural virome. Like the bacterial microbiome, the virome also probably influences the biology and immunity of mosquito vector populations, but tractable experimental models are lacking. We recently discovered two novel viruses in the virome of wild Anopheles and in colonies of the malaria vector Anopheles coluzzii: Anopheles C virus and Anopheles cypovirus. Here, we describe biological interactions between these two viruses and An. coluzzii mosquitoes. Viral abu...

The Long-Noncoding RNA lnc-NONH Enhances the Early Transcription of Prototype Foamy Virus Via Upregulating Expression of miR-34c-5p and Tas Protein.

Prototype foamy virus (PFV) is a complex and unique retrovirus with the longest genome among the retroviruses and is used as a vector for gene therapies. The viral Tas protein transactivates the viral long terminal repeat promoter and is required for viral replication. We have utilized RNA sequencing to identify and characterize the long-noncoding RNA NONHSAG000101 (lnc-NONH), which markedly increases in PFV-infected cells. However, little is known about the function of lnc-NONH.

Impact of length of replication competent genome of hepatitis B virus over the differential antigenic secretion.

Hepatitis B virus (HBV) genome consists of circular partially double stranded DNA of 3.2 kb size which gets converted into covalently closed circular DNA (cccDNA) during its life cycle. It then acts as a template for formation of pregenomicRNA (pgRNA) of 3.5 kb. Absence of appropriate animal models prompted a need to establish a better in vitro culture system to uncover the propagation and survival mechanisms of the virus. There is scarcity of data to represent the significance of varying length of repl...

Wheat streak mosaic virus alters the transcriptome of its vector, wheat curl mite (Aceria tosichella Keifer), to enhance mite development and population expansion.

Wheat streak mosaic virus (WSMV; genus Tritimovirus; family Potyviridae) is an economically important wheat virus that is transmitted by the wheat curl mite (WCM; Aceria tosichella Keifer) in a persistent manner. Virus-vector coevolution may potentially influence vector gene expression to prolong viral association and thus increase virus transmission efficiency and spread. To understand the transcriptomic responses of WCM to WSMV, RNA sequencing was performed to assemble and analyse transcriptomes of WSMV v...

Major Capsid Protein of Autographa californica Multiple Nucleopolyhedrovirus Contributes to the Promoter Activity of the Very Late Viral Genes.

The baculovirus expression vector system (BEVS) is one of the most powerful eukaryotic expression systems. Recombinant protein expression is usually controlled by promoters of the baculovirus very late genes (i.e., polyhedrin and p10); therefore, identifying novel regulatory factors for these promoters is key to increasing BEVS productivity. Autographa californica multiple nucleopolyhedrovirus (AcMNPV) is the viral vector most frequently used in BEVS. VP39 is the major nucleocapsid protein of AcMNPV and pla...

Distinct dual antiviral mechanism that enhances hepatitis B virus mutagenesis and reduces viral DNA synthesis.

Reverse transcriptase (RT) is an essential enzyme for the replication of retroviruses and hepadnaviruses. Current therapies do not eliminate the intracellular viral replication intermediate termed covalently closed circular (ccc) DNA, which has enhanced interest in hepatitis B virus (HBV) reverse transcription and cccDNA formation. The HBV cccDNA is generated as a plasmid-like episome in the host cell nucleus from the protein-linked relaxed circular (rc) DNA genome in incoming virions during HBV replication...

Analysis of Antiviral Resistance Signaling Pathways by Virus-Induced Gene Silencing in Nicotiana benthamiana.

Owing to the absence of antiviral chemicals, strategies to deploy antiviral resistance in plants are desirable. Deciphering antiviral resistance mechanisms has been extensively promoted by virus-induced gene silencing (VIGS) technique, which decreases the transcriptional level of the gene of interest via RNA silencing machinery triggered by the partial gene fragment inserted into a viral vector. This technique has contributed to addressing the function of a number of host genes, which are involved in signal...

The use of bacterial polysaccharides in bioprinting.

Additive manufacturing or 3D printing has spearheaded a revolution in the biomedical sector allowing the rapid prototyping of medical devices. The recent advancements in bioprinting technology are enabling the development of potential new therapeutic options with respect to tissue engineering and regenerative medicines. Bacterial polysaccharides have been shown to be a central component of the inks used in a variety of bioprinting processes influencing their key features such as the mechanical and thermal p...

Immune Response and Its Potential Impact on Dengue Virus Transmission.

Dengue virus (DENV) transmission to human populations requires infection of vector mosquitoes as an essential component of the transmission process. DENV transmission leads to infections that range from asymptomatic to life-threatening pathologies, such as dengue hemorrhagic fever and dengue shock syndrome. is the principal vector of DENV, and its vector competence consists of the intrinsic factors, genes, molecules, and pathways that allow infection, replication, and dissemination of this virus throughout...

Does viral load alter behavior of the bee parasite Varroa destructor?

The invasive mite Varroa destructor has negatively impacted global apiculture, by being a vector for many viruses of the honey bee (Apis mellifera). Until now, most studies have been limited to varroa-honey bee or virus-honey bee interactions. The aim of this study is to bridge the important research gap of varroa-virus interactions by correlating varroa behavior with viral load. Ten-minute video recordings of 200 varroa mites were analyzed, and average speeds of the mites were compared to individual qPCR v...

Immune function of an angiotensin-converting enzyme against Rice stripe virus infection in a vector insect.

Angiotensin-converting enzyme (ACE) plays diverse roles in the animal kingdom. However, whether ACE plays an immune function against viral infection in vector insects is unclear. In this study, an ACE gene (LsACE) from the small brown planthopper was found to respond to Rice stripe virus (RSV) infection. The enzymatic activities of LsACE were characterized at different pH and temperature. Twenty planthopper proteins were found to interact with LsACE. RSV infection significantly upregulated LsACE expression ...

Evaluation of the preventive and therapeutic effects of a recombinant vector co-expressing prostate-specific stem cell antigen (PSCA) and Clostridium perfringens enterotoxin (CPE) on prostate cancer in rats.

The effects of Clostridium perfringens (C.perfringens) enterotoxin (CPE) and prostate stem cell antigen (PSCA) on cancer prevention or treatment have been previously studied separately. For the first time, here we have elaborated a recombinant vector to co-express and study the cumulative effects of both of these factors on prostate cancer (PCa) in an animal model. The recombinant pBudCE4.1-cpe-PSCA vector was constructed in large scale. Rats were vaccinated by vector or vector plus chitosan nanoparticles b...

Formation of adenovirus DNA replication compartments and viral DNA accumulation sites by host chromatin regulatory proteins including NPM1.

The adenovirus (Ad) genome is believed to be packaged into the virion by forming a chromatin-like structure. The replicated viral genome is likely to be condensed through binding with viral core proteins before encapsidation. Replicated viral genomes accumulate in the central region of the nucleus, which we termed virus-induced postreplication (ViPR) body. However, the molecular mechanism by which the nuclear structure is reorganized and its functional significance in virus production are currently not unde...

T cell metabolism in chronic viral infection.

T cells are a fundamental component of the adaptive immune response in the context of both acute and chronic viral infection. Tight control over the metabolic processes within T cells provides an additional level of immune regulation that is interlinked with nutrient sensing and the continued balancing of co-stimulatory and co-inhibitory signals. Underpinning T cell responsiveness for viral control are a number of phenotypic and functional adaptations ensuring adequate nutrient uptake and their utilisation....

Current prevention and potential treatment options for dengue infection.

Currently, treatments for dengue infection are only symptomatic as no antiviral agents nor vaccines are available to combat this virus. Despite challenges faced by researchers, many efforts are ongoing to reduce cases of dengue infection either by targeting the vector or the virus. Vector population is monitored and reduced by using mechanical, chemical and biological controls. Chemical control is achieved either by using synthetic or natural insecticides where the latter is more preferable. In biological c...


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