摘要:
An polyampholyte is utilized in a condensed polynucleotide complex for purposes of nucleic acid delivery to a cell. The complex can be formed with an appropriate amount of positive and/or negative charge such that the resulting complex can be delivered to the extravascular space and may be further delivered to a cell.
摘要:
Compounds and methods are provided for a single-pot covalent attachment of a label to nucleic acids comprising forming a covalently attachable labeling reagent for alkylating the molecule. Then, combining the covalently attachable labeling reagent with a mixture containing the molecule, under conditions wherein the labeling reagent has reactivity with the molecule thereby forming a covalent bond.
摘要:
A method of forming polymers in the presence of nucleic acid using template polymerization. Also, a method of having the polymerization occur in heterophase systems. These methods can be used for the delivery of nucleic acids, for condensing the nucleic acid, for forming nucleic acid binding polymers, for forming supramolecular complexes containing nucleic acid and polymer, and for forming an interpolyelectrolyte complex.
摘要:
An polyampholyte is utilized in a condensed polynucleotide complex for purposes of nucleic acid delivery to a cell. The complex can be formed with an appropriate amount of positive and/or negative charge such that the resulting complex can be delivered to the extravascular space and may be further delivered to a cell.
摘要:
A method of forming polymers in the presence of nucleic acid using template polymerization. Also, a method of having the polymerization occur in heterophase systems. These methods can be used for the delivery of nucleic acids, for condensing the nucleic acid, for forming nucleic acid binding polymers, for forming supramolecular complexes containing nucleic acid and polymer, and for forming an interpolyelectrolyte complex.
摘要:
A process for delivering a polynucleotide to a cardiac tissue cell in a mammal is described, comprising introducing a composition consisting of a polynucleotide into a blood vessel and increasing permeability of the blood vessel to the polynucleotide. The polynucleotide can be a small interfering RNA or microRNA and inhibit gene expression in the cell.
摘要:
A process is described for the delivery of a therapeutic polynucleotide to limb muscle tissue suffering from or potentially suffering from Muscular Dystrophy. The polynucleotide is inserted into a mammalian limb vessel such as an artery. Delivery efficiency and distribution is enhanced by combining injection of a solution containing the polynucleotide with the use of an externally applied cuff.
摘要:
The present invention relates to compositions and methods for the selection and use of surface exposed epitopes. The present invention includes in vivo and in vitro phage peptide diplay methods for the identification and selection of peptides and peptide associated factors with desired properties (e.g., targeting specificity, stability, etc.). The present invention further provides methods and compositions for the isolation and identification of peptide-specific antibodies. The present invention also includes methods and compositions employing nuclear localization signals for enhanced nuclear transport and expression of DNA.
摘要:
The present invention provides a method for delivering a pharmaceutical polypeptide to the interior of a cardiac cell of a vertebrate in vivo, comprising the step of introducing a preparation comprising a pharmaceutically acceptable injectable carrier and naked polynucleotide operatively coding for the polypeptide into the interstitial space of the heart, whereby the naked polynucleotide is taken up into the interior of the cell and has a pharmacological effect on the vertebrate such as inducing vascular growth. In a preferred embodiment wherein the polynucleotide encodes polypeptide immunologically foreign to the vertebrate, the delivery method preferably comprises delivering an immunosuppressive agent to the vertebrate to limit immune responses directed to the polypeptide.
摘要:
Disclosed is a process for transfecting genetic material into a mammalian cell to alter endogenous properties of the cell. The process comprises designing a polynucleotide for transfection. Then the polynucleotide is inserted into a mammalian blood vessel. Prior to insertion, subsequent to insertion, or concurrent with insertion the permability of the vessel is increased using an exterior cuff and immunosuppression is applied thereby the genetic material is delivered to the parenchymal cell.