Methods of Reducing the Production of Reactive Oxygen Species and Methods of Screening or Identifying Compounds and Compositions that Reduce the Production of Reactive Oxygen Species
First Claim
1. An in vitro method of screening compounds or compositions suitable for reducing the production of reactive oxygen species (ROS) comprising:
- a) contacting one or more cell(s) with a candidate compound, combination of candidate compounds, candidate composition, or combination of candidate compositions with the proviso that said candidate compound, combination of candidate compounds, candidate composition, or combination of candidate compositions is not dietary material containing calcium or dietary calcium; and
b) measuring one or more of the following parameters;
i) intracellular concentrations of calcium in said one or more cell(s), wherein a decrease of intracellular calcium concentration in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS;
ii) UCP2 expression in said one or more cell(s), wherein an increase in UCP2 expression in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS;
iii) NADPH oxidase expression in said one or more cell(s), wherein a decrease in NADPH oxidase expression in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS;
iv) UCP3 expression in said one or more cell(s), wherein an increase in UCP3 expression in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS;
v) NADPH oxidase expression in said one or more cell(s), wherein a decrease in NADPH oxidase expression in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS;
vi) 11 β
-HSD expression in said one or more cell(s), wherein a decrease in the expression of 11 β
-HSD in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS;
vii) TNF-α
, CD14, MIF, M-CSF, MIP, MCP-1, G-CSF or IL-6 expression in said one or more cell(s), wherein a decrease in the expression of TNF-α
, CD14, MIF (macrophage inhibitory factor), MIP (macrophage inhibitory protein), M-CSF (macrophage colony stimulating factor), MCP-1 (monocyte chemoattractant protein-1), G-CSF (granulocyte colony stimulating factor) or IL-6 in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS;
orviii) IL-15 or adiponectin expression in said one or more cell(s), wherein an increase in the expression of IL-15 or adiponectin in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS.
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Abstract
The subject application provides methods of identifying compounds, combinations of compounds, compositions, and/or combinations of compositions that are suitable for reducing the production of reactive oxygen species (ROS) in an individual with the proviso that said compound, combination of compounds, composition, or combination of compositions is not a dietary material containing calcium or dietary calcium. Also provided in the subject application are methods of treating diseases or disorders associated with ROS production and methods of reducing ROS production in an individual with the proviso that said compound, combination of compounds, composition, or combination of compositions is not a dietary material containing calcium or dietary calcium.
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Citations
21 Claims
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1. An in vitro method of screening compounds or compositions suitable for reducing the production of reactive oxygen species (ROS) comprising:
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a) contacting one or more cell(s) with a candidate compound, combination of candidate compounds, candidate composition, or combination of candidate compositions with the proviso that said candidate compound, combination of candidate compounds, candidate composition, or combination of candidate compositions is not dietary material containing calcium or dietary calcium; and b) measuring one or more of the following parameters; i) intracellular concentrations of calcium in said one or more cell(s), wherein a decrease of intracellular calcium concentration in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS; ii) UCP2 expression in said one or more cell(s), wherein an increase in UCP2 expression in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS; iii) NADPH oxidase expression in said one or more cell(s), wherein a decrease in NADPH oxidase expression in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS; iv) UCP3 expression in said one or more cell(s), wherein an increase in UCP3 expression in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS; v) NADPH oxidase expression in said one or more cell(s), wherein a decrease in NADPH oxidase expression in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS; vi) 11 β
-HSD expression in said one or more cell(s), wherein a decrease in the expression of 11 β
-HSD in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS;vii) TNF-α
, CD14, MIF, M-CSF, MIP, MCP-1, G-CSF or IL-6 expression in said one or more cell(s), wherein a decrease in the expression of TNF-α
, CD14, MIF (macrophage inhibitory factor), MIP (macrophage inhibitory protein), M-CSF (macrophage colony stimulating factor), MCP-1 (monocyte chemoattractant protein-1), G-CSF (granulocyte colony stimulating factor) or IL-6 in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS;
orviii) IL-15 or adiponectin expression in said one or more cell(s), wherein an increase in the expression of IL-15 or adiponectin in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS. - View Dependent Claims (2, 3)
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4. A method of identifying or screening compounds or compositions suitable for reducing the production of reactive oxygen species (ROS) comprising:
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a) administering a candidate compound, combination of candidate compounds, candidate composition, or combination of candidate compositions to at least one test subject with the proviso that said candidate compound, combination of candidate compounds, candidate composition, or combination of candidate compositions, when administered orally to said test subject, is not being administered to said at least one test subject orally as a component of the diet of said at least one test subject or as dietary calcium to said test subject; and b) measuring one or more of the following parameters; i) intracellular calcium concentrations in cells of said at least one test subject and at least one control subject, wherein a decrease of intracellular calcium concentration in the cells of a test subject as compared to the intracellular concentrations of calcium in the cells of at least one control subject is indicative of a compound, composition, combination of compounds or combination of compositions suitable for use in reducing the production of ROS in a subject; ii) UCP2 expression in cells of said at least one test subject and at least one control subject, wherein an increase of UCP2 expression in the cells of a test subject as compared to the UCP2 expression in the cells of at least one control subject is indicative of a compound, composition, combination of compounds or combination of compositions suitable for use in reducing the production of ROS in a subject; iii) NADPH oxidase expression in cells of said at least one test subject and at least one control subject, wherein a decrease of NADPH oxidase expression in the cells of a test subject as compared to the NADPH oxidase expression in the cells of at least one control subject is indicative of a compound, composition, combination of compounds or combination of compositions suitable for use in reducing the production of ROS in a subject; iv) UCP3 expression in skeletal muscle cells of said at least one test subject and at least one control subject, wherein an increase in UCP3 expression in the skeletal muscle cells of a test subject as compared to UCP3 expression in the skeletal muscle cells of at least one control subject is indicative of a compound, composition, combination of compounds or combination of compositions suitable for use in reducing the production of ROS in a subject; v) NADPH oxidase expression in skeletal muscle cells of said at least one test subject and at least one control subject, wherein a decrease of NADPH oxidase expression in the skeletal muscle cells of a test subject as compared to the NADPH oxidase expression in the skeletal muscle cells of at least one control subject is indicative of a compound, composition, combination of compounds or combination of compositions suitable for use in reducing the production of ROS in a subject; vi) 11 β
-HSD expression in visceral adipocyte tissue or cells of said at least one test subject and at least one control subject, wherein a decrease of 11 β
-HSD expression in the visceral adipocyte tissue or cells of a test subject as compared to the 11 β
-HSD expression in the visceral adipocyte tissue or cells of at least one control subject is indicative of a compound, composition, combination of compounds or combination of compositions suitable for use in reducing the production of ROS in a subject;vii) TNF-α
, CD14, MIF, MIP, M-CSF, MCP-1, G-CSF or IL-6 expression in said one or more cell(s), wherein a decrease in the expression of TNF-α
, CD14, MIF, MIP, M-CSF, MCP-1, G-CSF or IL-6 in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS;
orviii) IL-15 or adiponectin expression in said one or more cell(s), wherein an increase in the expression of IL-15 or adiponectin in said cell(s) is indicative of a compound or composition suitable for use in reducing the production of ROS. - View Dependent Claims (5, 6)
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- 7. A method of treating diseases associated with reactive oxygen species (ROS) comprising the administration of a compound, composition, combination of compounds, or combination of compositions that increase intracellular calcium levels to an individual in need of such treatment in amounts sufficient to increase the intracellular concentrations of calcium in the cells of the individual with the proviso that said compound, combination of compounds, composition, or combination of compositions is not a dietary material containing calcium or dietary calcium.
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15. A method of reducing ROS production in a diabetic individual comprising the administration of one or more composition comprising one or more therapeutic agent as set forth in Table 2 or Table 3 and calcium, or physiologically acceptable salts of calcium, in an amount sufficient to reduce the production of ROS in said individual.
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16. A method of altering the expression of cytokines in an individual or the cytokine profile of an individual comprising the administration of a compound, composition, combination of compounds, or combination of compositions that decrease intracellular calcium levels to an individual in need of such treatment in amounts sufficient to decrease intracellular levels of calcium in the cells of the individual, decrease TNF-α
- , CD14, MIP, MIF, M-CSF, G-CSF or IL-6 expression, or any combination thereof, in the individual, and increase the expression of IL-15, adiponectin, or both IL-15 or adiponectin in the individual with the proviso that said compound, combination of compounds, composition, or combination of compositions is not a dietary material containing calcium or dietary calcium.
- 17. A composition comprising one or more therapeutic agent selected from Tables 1 or 2 or 3 in combination with calcium or one or more physiological salts of calcium.
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20. A method of increasing the in vitro expression of MIF, M-CSF, MIP, IL-6, IL-10, IL-4, IL-13, MIG, IL-5, VEGF, CD14, G-CSF, TNF-α
- , RANTES, or MIP-1α
comprising contacting a composition comprising a carrier and calcitriol (1, 25-(OH)2-D3) with a adipocytes, skeletal muscle cells, skeletal muscle cell lines, human adipocyte cell lines, murine adipocyte cell lines or transformed host cells comprising MIF, M-CSF, MIP, IL-6, IL-10, IL-4, IL-13, MIG, IL-5, VEGF, CD14, G-CSF, TNF-α
, RANTES, or MIP-1α
genes and culturing said cells under conditions that allow for the production of MIF, M-CSF, MIP, IL-6, IL-10, IL-4, IL-13, MIG, IL-5, VEGF, CD14, G-CSF, TNF-α
, RANTES, or MIP-1α
. - View Dependent Claims (21)
- , RANTES, or MIP-1α
Specification