نتایج جستجو برای: live vector
تعداد نتایج: 292374 فیلتر نتایج به سال:
In 1997, the avian influenza virus (AIV) subtype H5N1 was first reported to infect humans.1 Up to 3 March 2015, the cumulative number of confirmed human cases of H5N1 was 784, with 429 deaths. There is no evidence that H5N1 viruses can transmit efficiently from person to person.2 Therefore, the key to prevention of a human H5N1 pandemic is to first control the H5N1 virus in birds. Traditionally...
Canine leishmaniasis (CanL) is a chronic fatal disease of dogs and a major source of human infection through propagation of parasites in vectors. Here, we infected 8 beagles through multiple experimental vector transmissions with Leishmania infantum-infected Lutzomyia longipalpis. CanL clinical signs varied, although live parasites were recovered from all dog spleens. Splenic parasite burdens c...
The efficient use of somatic cell nuclear transfer (SCNT), in conjunction with genetic modification of donor cells provides a general means to add or inactivate genes in mammals. This strategy has substantially improved the efficacy of producing genetically identical animals carrying mutant genes corresponding to specific human disorders. Lentiviral (LV) vectors have been shown to be well suite...
The Brighton Collaboration Viral Vector Vaccines Safety Working Group (V3SWG) was formed to evaluate the safety of live, recombinant viral vaccines incorporating genes from heterologous viruses inserted into the backbone of another virus (so-called "chimeric virus vaccines"). Many viral vector vaccines are in advanced clinical trials. The first such vaccine to be approved for marketing (to date...
The glassy-winged sharpshooter, Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae), is an important insect vector of the xylem-limited plant pathogen Xylella fastidiosa Wells et al. that causes diseases in numerous plant species including food and feedstock crops, ornamentals and weeds. Both the pathogen and the vector are native to the Americas, and H. vitripennis has demonstrated high...
OBJECTIVES Bacteriophage-encoded endolysins are a group of enzymes that act by digesting the peptidoglycan of bacterial cell walls. LysK has been reported to lyse live staphylococcal cultures. LysK proteins containing only the cysteine/histidine-dependent amidohydrolase/peptidase (CHAP) domain has the capability to show lytic activity against live clinical staphylococcal isolates, including met...
Vaccines have played a central role in dealing with COVID-19 pandemic. Now regulatory agencies USA and around the world begun approving vaccination for kids. Long term safety profile of live attenuated viral vaccines, inactivated vaccines peptide-based are well studied children, safe can play controlling spread COVID19 children. But long-term vector-based is not studied. In present corre...
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