ILCS based pattern recognition of sepsis
View Patent ↗The present invention refers to a method for recognizing and/or characterizing cellular activity patterns, in particular for diagnostic purposes and/or for tracking the therapy of diseases. Blood cells are stimulated in a culture medium at least with toll-like receptor ligands (TLR ligands) and the stimulated blood cells and/or the culture medium are examined.
1. A method for determining the severity of an inflammatory disease comprising:
(a) contacting a fluid sample comprising blood cells from a subject with at least two toll-like receptor (TLR) ligands in vitro;
(b) determining in the fluid sample concentrations of at least two proteins relevant to inflammatory disease; and
(c) comparing the concentrations of the proteins relevant to inflammatory disease to control concentrations of the proteins relevant to inflammatory disease, wherein a statistically significant similarity of the sample to the control is indicative of a particular stage of the inflammatory disease,
wherein the at least two proteins relevant to inflammatory disease are selected from the group consisting of IGF-1, IL-1 ra, ICAM-1, SHBG, MMP-3, Apolipoprotein A1, IgM, MIP-1beta, TIMP-1, Calcitonin, IgA, IL-16, Carcinoembryonic Antigen, Factor VII, Glutathione S-Transferase, IL-12p70, TGF-alpha, MCP-1, Eotaxin, TNF-beta, Beta-2 Microglobulin, CD40, VEGF, Cancer antigen 19-9, VCAM-1, Growth Hormone, Insulin, Myeloperoxidase, Endothelin-1, IL-15, IL-7, Apolipoprotein CIII, MMP-2, Ferritin, MMP-9, FGF Basic, G-CSF, Thyroid Stimulating Hormone, CD40 Ligand, Stem Cell Factor, Brain-Derived Neurotrophic Factor, Complement 3, IFN-gamma, Apolipoprotein H, Myoglobin, IL-1 alpha, OSM (Oncostatin M), RANTES, EGF, ENA-78, Alpha-Fetoprotein, Thyroxine Binding Globulin, IL-8, Thrombospondin-1, Creatine Kinase-MB, IL-17, Fatty Acid Binding Protein, IL-6, IL-12p40, IL-23, TNF RII, Haptoglobin, IgE, Lipoprotein (a), Free Prostate Specific Antigen, Fibrinogen, Alpha-1 Antitrypsin, C Reactive Protein, IL-4, IL-10, Erythropoietin, Adiponectin, Serum Amyloid P, Lymphotactin, IL-2, GM-CSF, IL-3, Tissue Factor, Thrombopoietin, EN-RAGE, SGOT, Leptin, PAI-1, MDC, Prostatic Acid Phosphatase, IL-1beta, MIP-1alpha, Epiregulin, IL-17E, IL-5, Amphiregulin, Cancer Antigen 125, PAPP-A, IL-13, Von Willebrand Factor, IL-18, or Alpha-2 Macroglobulin.
2. The method of claim 1 , wherein one or more of the at least two proteins relevant to inflammatory disease is a signal transducer or receptor.
3. The method of claim 1 , wherein one or more of the at least two proteins relevant to inflammatory disease is a blood cell nuclear constituent.
4. The method of claim 1 , wherein one or more of the at least two TLR ligands is a human toll-like receptor ligand.
5. The method of claim 4 , wherein one or more of the at least two TLR ligands is a ligand of a human TLR selected from the group consisting of: hTLR1, hTLR2, hTLR3, hTLR4, hTLR5, hTLR6, hTLR7, hTLR8, hTLR9, hTLR10 and hTLR11.
6. The method of claim 1 , wherein one or more of the at least two TLR ligands is derived from a microbe.
7. The method of claim 6 , wherein the microbe is a bacterium, virus or fungus.
8. The method of claim 1 , wherein one or more of the at least two TLR ligands is a compound that occurs in bacterial cell walls or in cell membranes.
9. The method of claim 1 , wherein one or more of the at least two TLR ligands is selected from the group consisting of: lipopolysaccharides, lipoproteins, lipopeptides, lipoteichoic acids, glycans, muramyl peptides, mannans, DNA and RNA.
10. The method of claim 1 , wherein the blood cells are stimulated with Imiquimod or Loxoribine.
11. The method of claim 1 , further comprising the step of contacting the fluid sample with a co-stimulation factor.
12. The method of claim 11 , wherein the co-stimulation factor is a cell-receptor ligand.
13. The method of claim 12 , wherein the cell receptor ligand is an integrin-receptor ligand or a NOD receptor ligand.
14. The method of claim 1 , wherein one or more of the at least two TLR ligands is an exosome or a nucleosome.
15. The method of claim 1 , wherein one or more of the at least two TLR ligands binds more than one toll-like receptor.
16. The method of claim 1 , wherein the fluid sample is contacted with the at least two TLR ligands during a period of from 0 to 48 hours.
17. The method of claim 1 , wherein the fluid sample is contacted with the at least two TLR ligands during a period of from 1 to 30 minutes.
18. The method of claim 1 , wherein the fluid sample is contacted with the at least two TLR ligands during a period of from 1 to 4 hours.
19. The method of claim 1 , wherein the fluid sample is contacted with the at least two TLR ligands during a period of from 6 to 24 hours.
20. The method of claim 1 , wherein one or more control cellular activity patterns are determined in blood cells stimulated with at least one toll-like receptor ligand.
21. The method of claim 1 , wherein the inflammatory disease is associated with a systemic inflammatory response syndrome.
22. The method of claim 1 , wherein the inflammatory disease is a septic disease.
23. The method of claim 1 , wherein the inflammatory disease is a macrophage activation syndrome.
24. A method for determining the efficacy of a treatment for an inflammatory disease comprising:
(a) contacting a fluid sample from a subject with at least two toll-like receptor ligands in vitro;
(b) determining in the fluid sample concentrations of at least two proteins relevant to inflammatory disease; and
(c) repeating steps (a)-(b) after the subject is treated for an inflammatory disease; and
(d) comparing said protein concentrations, before and after treatment, associated with inflammatory disease to one or more control proteins relevant to inflammatory disease, wherein a statistically significant similarity of the sample to the control is indicative of the efficacy of the treatment for the inflammatory disease,
wherein the at least two proteins relevant to inflammatory disease are selected from the group consisting of IGF-1, IL-1 ra, ICAM-1, SHBG, MMP-3, Apolipoprotein A1, IgM, MIP-1beta, TIMP-1, Calcitonin, IgA, IL-16, Carcinoembryonic Antigen, Factor VII, Glutathione S-Transferase, IL-12p70, TGF-alpha, MCP-1, Eotaxin, TNF-beta, Beta-2 Microglobulin, CD40, VEGF, Cancer antigen 19-9, VCAM-1, Growth Hormone, Insulin, Myeloperoxidase, Endothelin-1, IL-15, IL-7, Apolipoprotein CIII, MMP-2, Ferritin, MMP-9, FGF Basic, G-CSF, Thyroid Stimulating Hormone, CD40 Ligand, Stem Cell Factor, Brain-Derived Neurotrophic Factor, Complement 3, IFN-gamma, Apolipoprotein H, Myoglobin, IL-1 alpha, OSM (Oncostatin M), RANTES, EGF, ENA-78, Alpha-Fetoprotein, Thyroxine Binding Globulin, IL-8, Thrombospondin-1, Creatine Kinase-MB, IL-17, Fatty Acid Binding Protein, IL-6, IL-12p40, IL-23, TNF RII, Haptoglobin, IgE, Lipoprotein (a), Free Prostate Specific Antigen, Fibrinogen, Alpha-1 Antitrypsin, C Reactive Protein, IL-4, IL-10, Erythropoietin, Adiponectin, Serum Amyloid P, Lymphotactin, IL-2, GM-CSF, IL-3, Tissue Factor, Thrombopoietin, EN-RAGE, SGOT, Leptin, PAI-1, MDC, Prostatic Acid Phosphatase, IL-1beta, MIP-1alpha, Epiregulin, IL-17E, IL-5, Amphiregulin, Cancer Antigen 125, PAPP-A, IL-13, Von Willebrand Factor, IL-18, or Alpha-2 Macroglobulin.