A method for delivering an isolated polynucleotide such as DNA or RNA, to the interior of a cell in a mammal comprising the injection of an isolated polynucleotide into a muscle of the mammal where the polynucleotide is taken up by the cells of the muscle and exerts a therapeutic effect on the mammal. The method can be used to deliver a therapeutic polypeptide to the cells of the mammal, to provide an immune response upon in vivo translation of the polynucleotide, to deliver antisense polynucleotides, to deliver receptors to the cells of the mammal or to provide transitory gene therapy.

Induction of a protective immune response in a mammal by injecting a DNA sequence

Circulating nucleic acids (CNAs) and cancer--a survey.

While various clinical applications especially in oncology are now in progress such as diagnosis, prognosis, therapy monitoring, or patient follow-up, the determination of structural characteristics of cell-free circulating DNA (cirDNA) are still being researched. Nevertheless, some specific structures have been identified and cirDNA has been shown to be composed of many “kinds.” This structural description goes hand-in-hand with the mechanisms of its origins such as apoptosis, necrosis, active release, phagocytosis, and exocytose. There are multiple structural forms of cirDNA depending upon the mechanism of release: particulate structures (exosomes, microparticles, apoptotic bodies) or macromolecular structures (nucleosomes, virtosomes/proteolipidonucleic acid complexes, DNA traps, links with serum proteins or to the cell-free membrane parts). In addition, cirDNA concerns both nuclear and/or mitochondrial DNA with both species exhibiting different structural characteristics that potentially reveal different forms of biological stability or diagnostic significance. This review focuses on the origins, structures and functional aspects that are paradoxically less well described in the literature while numerous reviews are directed to the clinical application of cirDNA. Differentiation of the various structures and better knowledge of the fate of cirDNA would considerably expand the diagnostic power of cirDNA analysis especially with regard to the patient follow-up enlarging the scope of personalized medicine. A better understanding of the subsequent fate of cirDNA would also help in deciphering its functional aspects such as their capacity for either genometastasis or their pro-inflammatory and immunological effects.

/pdf/origins-structures-and-functions-of-circulating-dna-in-2da7sm8ntv.pdf

Origins, structures, and functions of circulating DNA in oncology

A method for delivering an isolated polynucleotide to the interior of a cell in a vertebrate, comprising the interstitial introduction of an isolated polynucleotide into a tissue of the vertebrate where the polynucleotide is taken up by the cells of the tissue and exerts a therapeutic effect on the vertebrate. The method can be used to deliver a therapeutic polypeptide to the cells of the vertebrate, to provide an immune response upon in vivo translation of the polynucleotide, to deliver antisense polynucleotides, to deliver receptors to the cells of the vertebrate, or to provide transitory gene therapy.

Expression of exogenous polynucleotide sequences in a vertebrate

Characterization of the cell-free DNA released by cultured cancer cells.

Summary

Human lymphocytes obtained from donors exhibiting different allotypes were separated into B- and T-enriched subpopulations and cultured in the presence or absence of Herpes simplex virus inactivated by U.V. Isolated B or T cell suspensions did not produce any antiherpetic activity. The B lymphocytes cultruredl in the presence of the supernatant collected from virus-exposed T cells or in the presence of DNA extracted from this supernatant, synthesized an antiherpetic antibody carrying allotypic marker of the T cell donor.

The role of extracellular DNA in the transfer of information from T to B human lymphocytes in the course of an immune response.

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The role of extracellular DNA in the transfer of information from T to B human lymphocytes in the course of an immune response.