Methods for screening, predicting and monitoring prostate cancer
First Claim
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1. A computer-based method for screening a male human subject for the presence of and treating prostate cancer, comprising:
- screening the subject by;
obtaining a biological sample from the subject;
detecting a plurality of relative expression values within the biological sample for each of a group of polynucleotides comprising nucleic acids 1 through 498 of SEQ ID NO. 1, SEQ ID NO. 2, SEQ ID NO. 3, SEQ ID NO. 5, relative to one or more reference genes;
performing a diagnostic procedure comprising;
downloading the plurality of expression values into a computer processor;
calculating within the computer processor a prediction score S according to the relationship S=ln(HSPD1/ref.gene)+ln(IMPDH2/ref.gene)+ln(PDLIM5/ref.gene)+ln(UAP1/ref.gene)+b, where ref.gene is the one or more reference gene and b is a bias value, wherein b is adjusted to compensate for reduced expression level in the biological sample and b is further adjusted to obtain a selected sensitivity and a selected specificity;
administering an effective anti-cancer treatment to the subject.
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Abstract
Biomarkers are identified by analyzing gene expression data using support vector machines (SVM) to rank genes according to their ability to separate prostate cancer from normal tissue. Expression products of identified genes are detected in patient samples, including prostate tissue, serum, semen and urine, to screen, predict and monitor prostate cancer.
66 Citations
13 Claims
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1. A computer-based method for screening a male human subject for the presence of and treating prostate cancer, comprising:
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screening the subject by; obtaining a biological sample from the subject; detecting a plurality of relative expression values within the biological sample for each of a group of polynucleotides comprising nucleic acids 1 through 498 of SEQ ID NO. 1, SEQ ID NO. 2, SEQ ID NO. 3, SEQ ID NO. 5, relative to one or more reference genes; performing a diagnostic procedure comprising; downloading the plurality of expression values into a computer processor; calculating within the computer processor a prediction score S according to the relationship S=ln(HSPD1/ref.gene)+ln(IMPDH2/ref.gene)+ln(PDLIM5/ref.gene)+ln(UAP1/ref.gene)+b, where ref.gene is the one or more reference gene and b is a bias value, wherein b is adjusted to compensate for reduced expression level in the biological sample and b is further adjusted to obtain a selected sensitivity and a selected specificity; administering an effective anti-cancer treatment to the subject. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A computer-based method for screening a male human subject for and treating prostate cancer, comprising:
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obtaining a biological sample from the subject; detecting values corresponding to relative expression products values within the biological sample for at least each polynucleotide of a group of polynucleotides comprising nucleic acids 1 through 498 of SEQ ID NO. 1, SEQ ID NO. 2, SEQ ID NO. 3, SEQ ID NO. 5, relative to one or more reference genes; downloading the plurality of expression values into a computer processor; calculating within the computer processor a prediction score S according to the relationship S=ln(HSPD1/ref.gene)+ln(IMPDH2/ref.gene)+ln(PDLIM5/ref.gene)+ln(UAP1/ref.gene)+b, where ref.gene is the one or more reference gene and b is a bias value, wherein b is adjusted to compensate for reduced expression level in the biological sample and b is further adjusted to obtain a sensitivity and a specificity each greater than 90%; and administering an effective anti-cancer treatment to the subject. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification