نتایج جستجو برای: fowl adenovirus serotype 11
تعداد نتایج: 424453 فیلتر نتایج به سال:
This study reveals diverse-length polymorphisms in long mononucleotide repeats (microsatellites) in several serotypes of epidemic human respiratory adenovirus. The length of one of these microsatellites, a homopolymeric thymidine [poly(T)] repeat, is measured in 68 isolates of adenovirus serotype 14. These isolates were collected during a series of sudden and sometimes fatal outbreaks among bot...
A major impediment to the use of adenovirus as a gene therapy vector and for vaccine applications is the host immune response to adenovirus hexon-the major protein component of the icosahedral capsid. A solution may lie in novel vectors with modified or chimeric hexons designed to evade the immune response. To facilitate this approach, we have distinguished the portion of hexon that all serotyp...
Infectious bursal disease (IBD), caused by an Avibirnavirus, belonging to the family Birnaviridae, is immunosuppressive that affects 3–6-week-old chickens, resulting in clinical or subclinical infection. Although occurs turkeys, ducks, guinea fowl, and ostriches can be also infected. IBD virus (IBDV) causes lymphoid depletion of bursa, which responsible for severe depression humoral antibody re...
BACKGROUND We report the first-in-human safety and immunogenicity assessment of a prototype hexon chimeric adenovirus (Ad) serotype 5 (Ad5) vector containing the hexon hypervariable regions of Ad serotype 48 (Ad48) and expressing human immunodeficiency virus (HIV) type 1 EnvA. METHODS Forty-eight Ad5 and Ad48 seronegative, HIV-uninfected subjects were enrolled in a randomized, double-blind, p...
The efficiency of first-generation adenoviral vectors as gene delivery tools is often limited by the short duration of transgene expression, which can be related to immune responses and to toxic effects of viral proteins. In addition, readministration is usually ineffective unless the animals are immunocompromised or a different adenovirus serotype is used. Recently, adenoviral vectors devoid o...
Recent studies have generated interest in the function of human adenovirus serotype 5 (HAdV-5) hexon: factor X (FX) binding and subsequent hepatocyte transduction and interaction with the immune system. Here, we retargeted adenovirus serotype 5 vectors, ablated for FX interaction, by replacing amino acids in hexon HVR7 with RGD-4C or inserting the peptide into the fibre HI loop. These genetic ...
We have analyzed the RNA produced in vitro by incubating nuclei from HeLa cells infected with adenovirus serotype 2. Our results show that adenovirus-specific RNA is produced at a linear rate for up to 2.5 hr. Hybridization analysis of RNA produced in nuclei isolated 18 hr after infection indicated that transcription begins at the "late promoter" at map position 16.5. Sequence analysis of the 5...
The failure of the adenovirus serotype 5 (Ad5) vector-based human immunodeficiency virus type 1 (HIV-1) vaccine in the STEP study has led to the development of adenovirus vectors derived from alternative serotypes, such as Ad26, Ad35, and Ad48. We have recently demonstrated that vaccines using alternative-serotype Ad vectors confer partial protection against stringent simian immunodeficiency vi...
To overcome the poor tumor transduction efficiency of adenovirus serotype 5 (Ad5) observed in several types of cancer, the fiber region of Ad5, apart from its tail, was replaced by adenovirus serotype 35 (Ad35). The chimeric Ad5/F35 adenoviral vector did not exhibit any significant enhancement of transduction efficiency. CD46, a receptor for Ad35, was expressed in relatively small amounts in mo...
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