Prostate cancer glycan markers and autoantibody signatures

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...

Reexamination Certificate

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C435S007200, C436S518000

Reexamination Certificate

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07981625

ABSTRACT:
Disclosed are methods for probing the immunogenic sugar moieties of prostate cancer cells. The methods detect a number of glyco-epitopes that are highly and differentially expressed among prostate cancers of various Gleason grades. The glyco-epitopes exist on the surfaces of prostate cells. The methods also comprise the detection of autoantibodies in prostate cancer subjects. The antibodies bound to a glyco-motif of N-glycans that is normally “cryptic.” This target is highly expressed in prostate cancers. Lectins and antibodies that detect these glyco-epitopes that expressed in prostate cancer tissues includeEuonymus europaeuslectin (EEL);Psophocarpus TetragonolobusLectin-I (PTL-I);Griffonia SimplicifoliaLectin-I-A4 (GSL-I-A4);Griffonia SimplicifoliaLectin-I-B4 (GSL-I-B4);Sambucus nigraI agglutinin (SNA-I;Phaseolus vulgaris-L (PHA-L;Galanthus nivalisagglutinin (GNA);Narcissus pseudonarcissusagglutinin (NPA);Artocarpus integrifoliaagglutinin (Jacalin); and mAb TM10 (IgM).

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