| PROCELL THERAPEUTICS INC Patent applications |
| Patent application number | Title | Published |
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| 20120122796 | CELL PERMEABLE P53 RECOMBINANT PROTEIN, POLYNUCLEOTIDE ENCODING THE SAME, AND ANTI-CANCER COMPOSITION CONTAINING THE SAME AS ACTIVE INGREDIENT - Disclosed are a cell-permeable p53 recombinant protein in which a macromolecule transduction domain (MTD) is fused to the tumor suppressor p53, a polynucleotide encoding the same, a recombinant expression vector for producing the same, and a pharmaceutical composition of the treatment of cancer, comprising the same. Having high cell permeability, the p53 recombinant protein is effectively transduced into cells so that the tumor suppressor p53 can be translocated into cell nuclei. Within nuclei, p53 inhibits the formation of cyclin-CDK complexes to halt the cell cycle, thus suppressing excessive cell proliferation and inducing apoptosis of tumor cells. Therefore, the p53 recombinant protein can be useful as an anticancer agent in the treatment of various cancers. | 05-17-2012 |
| 20120095188 | ESTABLISHMENT OF INDUCED PLURIPOTENT STEM CELL USING CELL-PERMEABLE REPROGRAMMING TRANSCRIPTION FACTOR FOR CUSTOMIZED STEM CELL THERAPY - The present invention relates to a reprogramming transcription factor recombinant protein in which a macromolecule transduction domain (MTD) is fused to a reprogramming transcription factor to obtain cell permeability. The present invention also relates to a polynucleotide for coding said reprogramming transcription factor recombinant protein and to an expression vector of said cell-permeable reprogramming transcription factor recombinant protein. Treating a somatic cell with the cell-permeable reprogramming transcription factor recombinant protein induces the reprogramming of the stem cell-specific gene of the somatic cell, and thus can be effectively used in the establishment of an induced pluripotent stem cell (iPS cell) having characteristics similar to those of an embryonic stem cell in terms of morphology and genetics. | 04-19-2012 |
| 20110092441 | CELL-PERMEABLE ENDOSTATIN RECOMBINANT PROTEIN, A POLYNUCLEOTIDE ENCODING THE SAME, AND AN ANTI-CANCER PREPARATION CONTAINING THE SAME AS AN ACTIVE COMPONENT - The present invention relates to a cell-permeable endostatin recombinant protein in which a macromolecule transduction domain (MTD) is fused to an angiogenesis inhibitor (angiogenesis inhibitor) endostatin; a polynucleotide encoding the cell-permeable endostatin recombinant protein; an expression vector for the cell-permeable endostatin recombinant protein; and a pharmacological composition for an anti-cancer preparation with improved inhibitory activity against angiogenesis in cancer, which contains the cell-permeable endostatin recombinant protein as an active component. The cell-permeable endostatin recombinant protein according to the present invention can block the formation of microvessels and inhibit the migration, proliferation, penetration, tube formation and the like of vascular endothelial cells present in tumor tissue by introducing the angiogenesis inhibitor endostatin into the cell with high efficiency, and it exhibits outstanding anti-cancer activity and so can be used as an anti-cancer drug against various cancers. | 04-21-2011 |
| 20100323971 | CELL PERMEABLE NM23 RECOMBINANT PROTEINS, POLYNUCLEOTIDES ENCODING THE SAME, AND ANTI-METASTATIC COMPOSITION COMPRISING THE SAME - The present invention discloses cell permeable Nm23 recombinant proteins where a macromolecule transduction domain (MTD) is fused to a metastasis suppressor Nm23. Also disclosed are polynucleotides encoding the cell permeable Nm23 recombinant proteins, an expression vector containing the cell permeable Nm23 recombinant protein, and a pharmaceutical composition for preventing metastasis which contains the cell permeable Nm23 recombinant protein as an effective ingredient. The cell permeable Nm23 recombinant proteins of the present invention can induce KSR phosphorylation and inactivation and inhibit Ras-mediated MAPK cascade by efficiently introducing a metastasis suppressor Nm23 into a cell. Therefore, the cell permeable Nm23 recombinant proteins of the present invention can be effectively used as an anti-metastatic agent capable of preventing cancer metastasis by inhibiting the proliferation, differentiation and migration of cancer cells. | 12-23-2010 |
| 20100305041 | CELL PERMEABLE P18 RECOMBINANT PROTEINS, POLYNUCLEOTIDES ENCODING THE SAME, AND ANTICANCER COMPOSITION COMPRISING THE SAME - The present invention discloses cell permeable p18 recombinant proteins where a macromolecule transduction domain (MTD) is fused to a tumor suppressor p18. Also disclosed are polynucleotides encoding the cell permeable p18 recombinant proteins, an expression vector containing the cell permeable p18 recombinant protein, and a pharmaceutical composition for treating p18 deficiency or failure which contains the cell permeable p18 recombinant protein as an effective ingredient. The cell permeable p18 recombinant proteins of the present invention are capable of efficiently introducing a haploinsufficient tumor suppressor p18 into a cell, and thus, can activate cell signaling mechanisms involved in the activation of ATM and p53 that induce cell cycle arrest and apoptosis in response to DNA damage or oncogenic signals. Therefore, the cell permeable p18 recombinant proteins of the present invention can be effectively used as an anticancer agent. | 12-02-2010 |
| 20100197598 | NOVEL MACROMOLECULE TRANSDUCTION DOMAINS AND METHODS FOR IDENTIFICATION AND USES THEREOF - The present invention discloses novel macromolecule transduction domain (MTD) peptides which facilitate the traverse of a biologically active molecule across the cell membrane. Also disclosed are polynucleotides encoding the MTD peptides, methods of identifying the MTD peptides; methods of genetically engineering a biologically active molecule to have cell permeability by using the MTD peptides, methods of importing a biologically active molecule into a cell by using the MTD peptides, and uses thereof. | 08-05-2010 |
| 20100099144 | COMBINED USE OF CELL PERMEABLE NANOG AND OCT4 FOR INCREASING SELF-RENEWAL AND SUPPRESSING DIFFERENTIATION OF STEM CELLS - The present invention discloses cell permeable Nanog and Oct4 recombinant proteins that comprise a kaposi fibroblast growth factor 4 (kFGF4)-derived macromolecule transduction domain (MTD). Also disclosed are polynucleotides encoding the cell permeable Nanog and Oct4 recombinant proteins, a method of increasing self-renewal and suppressing differentiation of stem cells by treating the cells in combination with the cell permeable Nanog and Oct4 recombinant proteins, and the combined use of the cell permeable Nanog and Oct4 recombinant proteins for increasing self-renewal and suppressing differentiation of stem cells. | 04-22-2010 |
