SYSTEM AND METHOD FOR DETECTING CANCER
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Abstract
Disclosed herein are methods of detecting malignancy in a tumor of a subject comprising measuring the amount of 5-hmC in a tumor sample and comparing to a control to thereby detect a level of reduction of 5-hmC in the tumor, wherein the tumor is characterized as malignant if a threshold level of reduction is detected. The tumor may be a solid tumor such as a melanocytic lesion. Also disclosed are methods of determining the prognosis of a subject with a tumor by determination of the amount of 5-hmC in the tumor. Methods for treatment of a tumor with reduced 5-hmC are also disclosed.
16 Citations
50 Claims
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1-30. -30. (canceled)
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31. A method of diagnosing a subject with a melanocytic lesion comprising,
a) processing a tissue sample of the melanocytic lesion of the subject to thereby label 5-hmC present in the tissue sample; -
b) measuring the 5-hmC in the sample by detection of the labeled 5-hmC in the tissue sample; c) quantitating the 5-hmC in the tissue sample as compared to a healthy control to thereby detect a threshold level of reduction of 5-hmC in the sample; and d) characterizing the melanocytic lesion by the detected threshold level of reduction of 5-hmC to thereby diagnose the subject. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38)
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39. A method of diagnosing a subject having a melanocytic lesion comprising,
a) processing a tissue sample of the melanocytic lesion of the subject to thereby label expression product of one or more of the genes IDH2, TET1, TET2, TET3; -
b) measuring the expression product of the one or more genes in the sample by detection of the labeled expression product in the tissue sample; c) quantitating the labeled expression product(s) in the sample as compared to a healthy control to thereby detect a threshold level of reduction of the expression product(s) in the sample; and d) diagnosing the subject as having a malignancy if a level of reduction of TET3 and/or IDH2 of >
50% is detected, and/or if a level of reduction of TET1 and/or TET2 of >
75% is detected. - View Dependent Claims (40, 41, 42, 43)
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44. A method of determining prognosis of a subject with a melanocytic lesion comprising,
a) processing a tissue sample of the melanocytic lesion of the subject to thereby label the 5-hmC present in the tissue sample; -
b) measuring the 5-hmC in the sample by detection of the labeled 5-hmC in the tissue sample; c) quantitating the 5-hmC in the tissue sample as compared to a healthy control to thereby detect a threshold level of reduction of 5-hmC in the sample; d) correlating the threshold level of reduction detected in step c) with one or more melanoma staging parameters; and e) determining the prognosis of the subject based on that of the staging parameter to which the amount of 5-hmC is correlated. - View Dependent Claims (45, 46, 47, 48, 49, 50)
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Specification