Methods of generating hyper iNOS expressing cells and uses thereof
A method of generating a hyper iNOS expressing cell includes administering to a myeloid derived cell an amount of a PPARγ agonist and an IL-6/STAT3 signaling pathway antagonist effective to substantially inhibit STAT3 activation in the cell and administering an inflammatory insult to the cell to stimulate hyper iNOS expression from the cell.
1. A method of generating a hyper iNOS expressing cell comprising: administering to a myeloid derived cell an amount of a PPARγ agonist and an IL-6/STAT3 signaling pathway antagonist effective to substantially inhibit STAT3 activation in the cell and administering an inflammatory insult to the cell to stimulate hyper iNOS expression from the cell.
2. The method of claim 1 , the myeloid derived cell comprising a macrophage or monocyte.
3. The method of claim 1 , wherein the hyper iNOS expressing cell is generated in vitro.
4. The method of claim 1 , wherein the hyper iNOS expressing cell is generated in vivo.
5. The method of claim 1 , the PPARγ agonist comprising a thiazolidinedione or a derivative thereof.
6. The method of claim 1 , the PPARγ agonist comprising at least one compound or a pharmaceutically salt thereof selected from the group consisting of: (+)-5[[4-[(3,4-dihydro-6-hydroxy-2,5,7,8-tetramethyl-2H-1-benzopyran-2-yl)methoxy]phenyl]methyl]-2,4-thiazolidinedione; 5-[4-[2-(5-ethylpyridin-2-yl)ethoxyl]benzyl]thiazolidine-2,4-dione; 5-[4-[(1-methylcyclohexyl)methoxy]benzyl]thiazolidine-2,4-dione; (ciglitazone); 4-(2-naphthylmethyl)-1,2,3,5-oxathiadiazole-2-oxide; 5-[4-[2-[(N-(benzoxazol-2-yl)-N-methylamino]ethoxy]benzyl]-5-methlthiazolidine-2,4-dione; 5-[4-[2-[2,4-dioxo-5-phenylthiazolidine-3-yl]ethoxy]benzyl]thiazolidine-2,4-dione; 5-[4-[2-[(N-methyl-N-(phenoxycarbonyl)amino]ethoxy]benzyl]thiazolidine-2,4-dione; 5-[4-[2-phenoxyethoxy]benzyl]thiazolidine-2,4-dione; 5-[4-[2-(4-chorophenyl)ethylsulfonyl]benzyl]thiazolidine-2,4-dione; 5-[4-[3-(5-methyl-2-phenyloxazol-4-yl)propionyl]benzyl]thiazolidine-2,4-dione; 5-[[4-(3-hydroxy-1-methylcyclohexyl)methoxy]benzyl]thiazolidine-2,4-dione; 5-[4-[2-(5-methyl-2-phenyloxazol-4-yl)ethoxyl]benzyl]thiazolidine-2,4-dione; 5-[(2-benzyl-2,3-dihydrobenzopyran)-5-ylmethyl]thiazolidine-2,4-dione; 5-[[2-(2-naphthylmethyl)benzoxazol]-5-ylmethyl]thiazolidine-2,4-dione; 5-[4-[2-(3-phenylureido)ethoxyl]benzyl]thiazolidine-2,4-dione; 5-[4-[2-(N-benzoxazol-2-yl)-N-metholamino]ethoxy]benzyl]thiazolidine-2,4-dione; 5-[4-[3-(5-methyl-2-phenyloxazol-4-yl)propionyl]benzyl]thiazolidine-2,4-dione; 5-[2-(5-methyl-2-phenyloxazol-4-ylmethyl)benzofuran-5-ylmethyl]oxazolidine-2,4-dione; 5-[4-[2-(N-methyl-N-(2-pyridyl)amino]ethoxy]benzyl]thiazolidine-2,4-dione; and 5-[4-[2-(N-(benzoxazol-2-yl)-N-methylamino]ethoxy]benzyl]oxazolidine-2,4-dione.
7. The method of claim 1 , wherein the IL-6/STAT3 signaling pathway antagonist comprises at least one of an antibody, peptide, or small molecule.
8. The method of claim 7 , wherein the IL-6/STAT3 signaling pathway antagonist is an HMG CoA reductase inhibitor.
9. The method of claim 7 , wherein the IL-6/STAT3 signaling pathway antagonist is a STAT3 inhibitor.
10. A method of mediating local destruction of tissue in a subject comprising:
administering an amount of a PPARγ agonist and an IL-6/STAT3 signaling pathway antagonist to macrophages of the subject effective to substantially inhibit STAT3 activation in the macrophages; and
administering an amount of an inflammatory or damaging insult to the tissue of the subject effective to induce hyper iNOS expression of the macrophages that are in or about the periphery of the tissue.
11. The method of claim 10 , the insult being administered directly to or about the periphery of the tissue.
12. The method of claim 10 , the insult comprising at least one of trauma, physical stress, chemical stress, biological stress, or radiation.
13. The method of claim 10 , the PPARγ agonist comprising a thiazolidinedione or a derivative thereof.
14. The method of claim 10 , the PPARγ agonist comprising at least one compound or a pharmaceutically salt thereof selected from the group consisting of: (+)-5[[4-[(3,4-dihydro-6-hydroxy-2,5,7,8-tetramethyl-2H-1-benzopyran-2-yl)methoxy]phenyl]methyl]-2,4-thiazolidinedione; 5-[4-[2-(5-ethylpyridin-2-yl)ethoxyl]benzyl]thiazolidine-2,4-dione; 5-[4-[(1-methylcyclohexyl)methoxy]benzyl]thiazolidine-2,4-dione; (ciglitazone); 4-(2-naphthylmethyl)-1,2,3,5-oxathiadiazole-2-oxide; 5-[4-[2-[(N-(benzoxazol-2-yl)-N-methylamino]ethoxy]benzyl]-5-methlthiazolidine-2,4-dione; 5-[4-[2-[2,4-dioxo-5-phenylthiazolidine-3-yl]ethoxy]benzyl]thiazolidine-2,4-dione; 5-[4-[2-[(N-methyl-N-(phenoxycarbonyl)amino]ethoxy]benzyl]thiazolidine-2,4-dione; 5-[4-[2-phenoxyethoxy]benzyl]thiazolidine-2,4-dione; 5-[4-[2-(4-chorophenyl)ethylsulfonyl]benzyl]thiazolidine-2,4-dione; 5-[4-[3-(5-methyl-2-phenyloxazol-4-yl)propionyl]benzyl]thiazolidine-2,4-dione; 5-[[4-(3-hydroxy-1-methylcyclohexyl)methoxy]benzyl]thiazolidine-2,4-dione; 5-[4-[2-(5-methyl-2-phenyloxazol-4-yl)ethoxyl]benzyl]thiazolidine-2,4-dione; 5-[(2-benzyl-2,3-dihydrobenzopyran)-5-ylmethyl]thiazolidine-2,4-dione; 5-[[2-(2-naphthylmethyl)benzoxazol]-5-ylmethyl]thiazolidine-2,4-dione; 5-[4-[2-(3-phenylureido)ethoxyl]benzyl]thiazolidine-2,4-dione; 5-[4-[2-(N-benzoxazol-2-yl)-N-metholamino]ethoxy]benzyl]thiazolidine-2,4-dione; 5-[4-[3-(5-methyl-2-phenyloxazol-4-yl)propionyl]benzyl]thiazolidine-2,4-dione; 5-[2-(5-methyl-2-phenyloxazol-4-ylmethyl)benzofuran-5-ylmethyl]oxazolidine-2,4-dione; 5-[4-[2-(N-methyl-N-(2-pyridyl)amino]ethoxy]benzyl]thiazolidine-2,4-dione; and 5-[4-[2-(N-(benzoxazol-2-yl)-N-methylamino]ethoxy]benzyl]oxazolidine-2,4-dione.
15. The method of claim 10 , wherein the IL-6/STAT3 signaling pathway antagonist comprises at least one of an antibody, peptide, or small molecule.
16. The method of claim 15 , wherein the IL-6/STAT3 signaling pathway antagonist is an HMG CoA reductase inhibitor.
17. The method of claim 15 , wherein the IL-6/STAT3 signaling pathway antagonist is a STAT3 inhibitor.
18. The method of claim 10 , the tissue comprising at least one of a scar, tattoo, hair follicle, actinic keratosis lesion, or neoplastic tissue.
19. The method of claim 18 , the neoplastic tissue comprising cancer tissue.