نتایج جستجو برای: gene transfer techniques
تعداد نتایج: 1962942 فیلتر نتایج به سال:
BACKGROUND Somatic cell nuclear transfer (SCNT) is currently the most efficient and precise method to generate genetically tailored pig models for biomedical research. However, the efficiency of this approach is crucially dependent on the source of nuclear donor cells. In this study, we evaluate the potential of primary porcine kidney cells (PKCs) as cell source for SCNT, including their prolif...
The announcement that Sir John Gurdon had been awarded the 2012 Nobel Prize for Medicine or Physiology was received with great joy by developmental biologists. It was a very special occasion because of his total dedication to science and turning the Golden Rule of western civilization - love your neighbor as yourself - into a reality in our field. This essay attempts to explain how John became ...
Schizophrenia is a highly complex and heritable psychiatric disorder in which multiple genes and environmental factors interact to cause the schizophrenia phenotype. A new generation of molecular studies has yielded numerous candidate genes with a putative role in risk for schizophrenia, whereas other genes regulate putative pathophysiological mechanisms. Mutant mice having either deletion (kno...
Over the last decade, sequencing and characterisation of the mouse genome has been accompanied by unparalleled advances in functional genomics. In the context of drug action, we analyse the strengths and limitations of classical mutagenesis and gene targeting techniques, as well as alternative approaches such as chemical mutagenesis, gene trap, recombineering, transposon-mediated mutagenesis, c...
A nonviral vector for highly efficient site-specific integration would be desirable for many applications in transgenesis, including gene therapy. In this study we directly compared the genomic integration efficiencies of piggyBac, hyperactive Sleeping Beauty (SB11), Tol2, and Mos1 in four mammalian cell lines. piggyBac demonstrated significantly higher transposition activity in all cell lines ...
Acquiring new genetic traits by lateral gene transfer is a bacterial strategy for environmental adaptations. We previously showed that Escherichia coli laterally transmits nonconjugative plasmids in cocultures that contain strains with or without the plasmid. Using a pMB1-derived plasmid and the Keio collection, a comprehensive library of E. coli knockout mutants for nonessential genes, we rece...
BACKGROUND Some promising treatments for Huntington's disease (HD) may require pre-clinical testing in large animals. Minipig is a suitable species because of its large gyrencephalic brain and long lifespan. OBJECTIVE To generate HD transgenic (TgHD) minipigs encoding huntingtin (HTT)1-548 under the control of human HTT promoter. METHODS Transgenesis was achieved by lentiviral infection of ...
The short-lived killifish Nothobranchius furzeri inhabits ephemeral ponds in southeastern Africa and is characterized by rapid growth and early sexual maturation. With respect to the molecular, cellular, and integrative traits of aging, N. furzeri shows significant similarities to mammals, including humans. Recently, reference sequences for the N. furzeri genome have been published. Also, metho...
Genetic technologies based on transposon-mediated transgenesis along with several recently developed genome-editing technologies have become the preferred methods of choice for genetically manipulating many organisms. The silkworm, Bombyx mori, is a Lepidopteran insect of great economic importance because of its use in silk production and because it is a valuable model insect that has greatly e...
In the rapidly developing, diploid amphibian Xenopus tropicalis, genetics can be married to the already powerful tools of the amphibian system to overcome a disability that has hampered Xenopus laevis as a model organism: the difficulties inherent in conducting genetic analyses in a tetraploid organism with a longer generation time. We describe here a gynogenetic screen to uncover naturally occ...
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