Methods for identifying and using organ-specific proteins in blood
First Claim
1. A method for diagnosing a biological condition of an organ in a subject comprising measuring the level of a plurality of organ-specific proteins in the blood of the subject, wherein the plurality of organ-specific proteins comprises at least 10 organ-specific proteins, wherein the organ-specific proteins are secreted from the same organ or specific to the same organ and wherein the levels of the plurality of organ-specific proteins together provide a fingerprint for the biological condition of the organ for diagnosis in the subject.
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Abstract
The present invention relates generally to methods for identifying organ-specific secreted proteins and for identifying organ-specific molecular blood fingerprints therefrom. As such, the present invention provides compositions comprising such proteins, detection reagents for detecting such proteins, and panels, and arrays for determining organ-specific molecular blood fingerprints.
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Citations
23 Claims
- 1. A method for diagnosing a biological condition of an organ in a subject comprising measuring the level of a plurality of organ-specific proteins in the blood of the subject, wherein the plurality of organ-specific proteins comprises at least 10 organ-specific proteins, wherein the organ-specific proteins are secreted from the same organ or specific to the same organ and wherein the levels of the plurality of organ-specific proteins together provide a fingerprint for the biological condition of the organ for diagnosis in the subject.
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10. A method for detecting perturbation of a normal biological state of an organ in a subject comprising, (a) contacting a blood sample from the subject with a plurality of detection reagents each specific for an organ-specific protein secreted into blood, wherein the plurality of detection reagents comprises at least 10 detection reagents, wherein each organ-specific protein is secreted from the same organ;
- (b) measuring the amount of the organ-specific protein detected in the blood sample by each detection reagent;
(c) comparing the amount of the organ-specific protein detected in the blood sample by each detection reagent to a predetermined control amount for each respective organ-specific protein;
wherein a statistically significant altered level in one or more of the organ-specific proteins indicates a perturbation of the organ in the subject. - View Dependent Claims (11, 12, 13, 14, 18, 19, 20)
- (b) measuring the amount of the organ-specific protein detected in the blood sample by each detection reagent;
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21. A method for diagnosing a biological condition of an organ in a subject comprising measuring the level of a plurality of organ-specific proteins in the blood of the subject, wherein the plurality of organ-specific proteins comprises at least 10 organ-specific proteins, wherein each organ-specific protein is secreted from the same organ or specific to the same organ, wherein each organ-specific protein is expressed in the organ at a level at least 2.5 fold as compared to other organs, wherein each organ-specific protein is expressed at a level of at least 3 copies/million in the organ but is expressed at less than 3 copies/million in other organs, and wherein the levels of the plurality of organ-specific proteins together provide a fingerprint for the biological condition of the organ for diagnosis in the subject.
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22. A method for detecting perturbation of a normal biological state of an organ in a subject comprising, (a) contacting a blood sample from the subject with a plurality of detection reagents each specific for an organ-specific protein secreted into blood, wherein the plurality of detection reagents comprises at least 10 detection reagents, wherein each organ-specific protein is secreted from the same organ, wherein each organ-specific protein is expressed in the organ at a level at least 2.5 fold as compared to other organs, wherein each organ-specific protein is expressed at a level of at least 3 copies/million in the organ but is expressed at less than 3 copies/million in other organs;
- (b) measuring the amount of the organ-specific protein detected in the blood sample by each detection reagent;
(c) comparing the amount of the organ-specific protein detected in the blood sample by each detection reagent to a predetermined control amount for each respective organ-specific protein;
wherein a statistically significant altered level in one or more of the organ-specific proteins indicates a perturbation of the organ in the subject.
- (b) measuring the amount of the organ-specific protein detected in the blood sample by each detection reagent;
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23. A method for detecting perturbation of a normal biological state of an organ in a subject comprising measuring the level of a plurality of organ-specific proteins in the blood of the subject, wherein the plurality of organ-specific proteins comprises at least 10 organ-specific proteins, wherein each organ-specific protein is secreted from the same organ or specific to the same organ, wherein each organ-specific protein is expressed in the organ at a level at least 2.5 fold as compared to other organs, wherein each organ-specific protein is expressed at a level of at least 3 copies/million in the organ but is expressed at less than 3 copies/million in other organs, and wherein a statistically significant altered level in one or more of the organ-specific proteins as compared to a predetermined normal level classifies the subject as having a perturbation of the organ from the normal biological state.
Specification