The invention relates to a method of detecting a disease state or disease susceptibility in a mammalian subject which comprises detecting an antibody in a test sample comprising a bodily fluid from said mammalian subject wherein said antibody is a biological marker of a disease state or disease susc
The invention relates to a method of detecting a disease state or disease susceptibility in a mammalian subject which comprises detecting an antibody in a test sample comprising a bodily fluid from said mammalian subject wherein said antibody is a biological marker of a disease state or disease susceptibility, the method comprising: (a) contacting said test sample with a plurality of different amounts of an antigen specific for said antibody, (b) detecting the amount of specific binding between said antibody and said antigen, (c) plotting or calculating a curve of the amount of said specific binding versus the amount of antigen for each amount of antigen used in step (a) and (d) determining the presence or absence of said disease state or disease susceptibility based upon the amount of specific binding between said antibody and said antigen at each different antigen concentration used.
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1. A method of determining an antibody profile in a test sample comprising a bodily fluid from a mammalian subject, wherein the antibody is a biological marker of a disease state or disease susceptibility and wherein it is not known whether the test sample comprises the antibody, the method comprisi
1. A method of determining an antibody profile in a test sample comprising a bodily fluid from a mammalian subject, wherein the antibody is a biological marker of a disease state or disease susceptibility and wherein it is not known whether the test sample comprises the antibody, the method comprising: (a) contacting the test sample with a plurality of different amounts of an antigen specific for the antibody,(b) detecting the amount of specific binding between the antibody and the antigen and(c) plotting or calculating a curve of the amount of the specific binding versus the amount of antigen for each amount of antigen used in step (a), and(d) comparing the curve of the test sample with a control curve,wherein a difference in the test sample curve when compared with the control sample curve indicates the presence of a disease state or disease susceptibility in the subject and wherein the difference provides the profile of antibody in the subject either prior to the onset of disease or during the course of disease. 2. The method of claim 1, wherein the method is repeated to build up a profile of antibody production. 3. The method of claim 2, wherein the antibody is an autoantibody. 4. The method of claim 2, wherein the antibody is an autoantibody specific for a tumor marker protein. 5. The method of claim 4, wherein the antigen is a tumor marker protein or an antigenic fragment or epitope thereof. 6. The method of claim 5, wherein the tumor marker protein is MUC1, MUC16, c-myc, EGRF, p53, ras, BRCAI, BRCA2, APC, HER2, PSA, CEA, CA19.9, NY-ESO-1, 4-5, CAGE, PSMA, PSCA, EpCam, a cytokeratin, recoverin, a kallikrein, an annex in, AFP, GRP78, CA125, mammoglobin, or raf. 7. The method of claim 4, wherein the antibody profile provides a diagnosis or prognosis of cancer or monitors cancer. 8. The method of claim 4, wherein the antibody profile: (a) screens a population of asymptomatic human subjects to identify those subjects who are at increased risk of developing cancer, wherein the samples to be tested using the method are samples of bodily fluid taken from the subjects, and wherein subjects having an elevated level of autoantibodies, as compared to a normal control which represents either the level of autoantibodies present in control individuals or a base-line level for that subject, are identified as being at risk of developing cancer; or(b) detects early neoplastic or early carcinogenic change in an asymptomatic human subject, wherein the sample to be tested using the method is a sample of bodily fluid taken from the subject, and wherein the presence of an elevated level of autoantibodies, as compared to a normal control which represents either the level of autoantibodies present in control individuals or a base-line level for that subject, is taken as an indication of early neoplastic or early carcinogenic change in the subject; or(c) screens a population of asymptomatic human subjects to identify those subjects who have developed a cancer, wherein the samples to be tested using the method are samples of bodily fluid taken from the subjects, and wherein subjects having an elevated level of autoantibodies, as compared to a normal control which represents either the level of autoantibodies present in control individuals or a base-line level for that subject, are diagnosed as having a cancer; or(d) provides a test for a population of symptomatic human subjects to identify those subjects who have developed a cancer, wherein the samples to be tested using the method are samples of bodily fluid taken from the subjects, and wherein subjects having an elevated level of autoantibodies, as compared to a normal control which represents either the level of autoantibodies present in control individuals or a base-line level for that subject, are diagnosed as having a cancer; or(e) monitors the progress of cancer or other neoplastic disease in a patient, wherein the sample to be tested using the method is a sample of bodily fluid taken from a human patient, and wherein the level of autoantibodies present in said patient is compared to a normal control which represents either the level of autoantibodies present in control individuals or a base-line level established for that patient; or(f) determines the prognosis of a patient diagnosed with cancer; or(g) predicts the response of a cancer patient to anti-cancer treatment, such as anti-growth factor or signal transduction therapy, radiotherapy, endocrine therapy, human antibody therapy, chemotherapy or vaccination;(h) monitors the response of a cancer patient to anti-cancer treatment, such as anti-growth factor or signal transduction therapy, radiotherapy, endocrine therapy, human antibody therapy, chemotherapy or vaccination; or(i) provides information for selecting an anti-cancer vaccine for use m a cancer patient. 9. The method of claim 3, wherein the autoantibody is characteristic of or associated with an autoimmune disease. 10. The method of claim 3, wherein the autoantibody is characteristic of or associated with a disease leading to insufficiency or failure of an organ. 11. The method of claim 10, wherein the disease is kidney or hepatic disease. 12. The method of claim 1, wherein the antibody is directed towards an epitope present on tissue transplanted into the mammalian subject. 13. The method of claim 1, wherein the antigen is a naturally occurring protein or polypeptide, a recombinant protein or polynucleotide, a synthetic protein or polypeptide, synthetic peptide, peptide mimetic, polysaccharide or nucleic acid. 14. A method of profiling two or more antibodies in a bodily fluid test sample from a mammalian subject wherein at least one of the antibodies is a biological marker of a disease state or disease susceptibility, the method comprising: (a) contacting the test sample with two or more sets of antigens, wherein each one of the sets of antigens is specific for one of the antibodies to be detected in the test sample and wherein each set of antigens comprises a plurality of different amounts of the antigen,(b) detecting the amount of specific binding between the antibodies and the antigens,(c) plotting or calculating a curve of the amount of the specific binding versus the amount of antigen for each set of antigens used in step (a), and(d) comparing the curve of the test sample with a control curve, wherein a difference in the test sample curve when compared with the control sample curve indicates the presence of a disease state or disease susceptibility in the subject and wherein the difference provides the profile of each antibody in the subject either prior to the onset of disease or during the course of disease. 15. The method of claim 14, wherein the profiling of each antibody is determined based upon the collective values of the amount of specific binding for the antigen concentrations tested for that antibody. 16. The method of claim 14, wherein the method is repeated to build up a profile of antibody production for each antibody. 17. The method of claim 16, wherein each antibody is an autoantibody. 18. The method of claim 16, wherein each antibody is an autoantibody and at least one of the antibodies is an autoantibody specific for a tumor marker protein. 19. The method of claim 16, wherein each antigen is a tumor marker protein or an antigenic fragment or epitope thereof. 20. The method of claim 19, wherein the tumor marker protein is selected from the group consisting of MUCI, MUC16, c-myc, EGRF, p53, ras, BRCAI, BRCA2, APC, HER2, PSA, CEA, CA19.9, NY-ESO-1, 4-5, CAGE, PSMA, PSCA, EpCam, a cytokeratin, recoverin, a kallikrein, an annexin, AFP, GRP78, CA125, mammoglobin, and raf. 21. The method of claim 16, wherein the profile of two or more antibodies provides a diagnosis or prognosis of cancer or monitoring of cancer. 22. The method of claim 14, wherein the profile of two or more antibodies: (a) screens a population of asymptomatic human subjects to identify those subjects who are at increased risk of developing cancer, wherein the samples to be tested using the method are samples of bodily fluid taken from the subjects, and wherein subjects having an elevated level of autoantibodies, as compared to a normal control which represents either the level of autoantibodies present in control individuals or a base-line level for that subject, are identified as being at risk of developing cancer; or(b) detects early neoplastic or early carcinogenic change in an asymptomatic human subject, wherein the sample to be tested using the method is a sample of bodily fluid taken from the subject, and wherein the presence of an elevated level of autoantibodies, as compared to a normal control which represents either the level of autoantibodies present in control individuals or a base-line level for that subject, is taken as an indication of early neoplastic or early carcinogenic change in the subject; or(c) screens a population of asymptomatic human subjects to identify those subjects who have developed a cancer, wherein the samples to be tested using the method are samples of bodily fluid taken from the subjects, and wherein subjects having an elevated level of autoantibodies, as compared to a normal control which represents either the level of autoantibodies present in control individuals or a base-line level for that subject, are diagnosed as having a cancer; or(d) tests a population of symptomatic human subjects to identify those subjects who have developed a cancer, wherein the samples to be tested using the method are samples of bodily fluid taken from the subjects, and wherein subjects having an elevated level of autoantibodies, as compared to a normal control which represents either the level of autoantibodies present in control individuals or a base-line level for that subject, are diagnosed as having a cancer; or(e) monitors the progress of cancer or other neoplastic disease in a patient, wherein the sample to be tested using the method is a sample of bodily fluid taken from a human patient, and wherein the profile of autoantibodies present in the patient is compared to a normal control which represents either the level of autoantibodies present in control individuals or a base-line level established for that patient; or(f) determines the prognosis of a patient diagnosed with cancer; or(g) predicts the response of a cancer patient to anti-cancer treatment, such as anti-growth factor or signal transduction therapy, radiotherapy, endocrine therapy, human antibody therapy, chemotherapy or vaccination; or(h) monitors the response of a cancer patient to anti-cancer treatment, such as anti-growth factor or signal transduction therapy, radiotherapy, endocrine therapy, human antibody therapy, chemotherapy or vaccination; or(i) provides information for selecting an anti-cancer vaccine for use in a cancer patient. 23. A method of determining an antibody profile in a bodily fluid test sample from a mammalian subject wherein the antibody is directed to a foreign substance introduced into the mammalian subject and wherein it is not known whether the test sample comprises the antibody, the method comprising: (a) contacting the test sample with a plurality of different amounts of an antigen specific for the antibody,(b) detecting the amount of specific binding between the antibody and the antigen and(c) plotting or calculating a curve of the amount of the specific binding versus the amount of antigen for each amount of antigen used in step (a), and(d) comparing the curve of the test sample with a control curve,wherein a difference in the test sample curve when compared with the control sample curve indicates the presence of an immune response to the foreign substance in the subject and wherein the difference provides the profile of antibody in the subject. 24. The method of claim 23, wherein the foreign substance is: (a) a therapeutic agent, such as a drug, prodrug, human antibody therapy or vaccine;(b) a component of a delivery vehicle, carrier or excipient administered with a therapeutic agent;(c) a non-target portion of a therapeutic agent or vaccine; or(d) an infectious agent, such as a fungus, bacteria, virus or protein.
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