Anti-MCV® is an ELISA test system for the qualitative and semi-quantitative meas
Anti-MCV® is an ELISA test system for the qualitative and semi-quantitative measurement of IgG class autoantibodies against mutated citrullinated vimentin (MCV) in human serum or plasma. This product is intended for professional in vitro diagnostic use as an aid in the diagnosis of Rheumatoid Arthritis in conjuction with other laboratory and clinical findings.
Rheumatoid Factor IgA is an ELISA test system for the quantitative measurement o
Rheumatoid Factor IgA is an ELISA test system for the quantitative measurement of IgA class rheumatoid factor in human serum or plasma. This product is intended for professional in vitro diagnostic use only as an aid in the diagnosis of Rheumatoid Arthritis, in conjunction with other laboratory and clinical findings.
Anti-Cardiolipin Screen is an ELISA test system for the quantitative measurement
Anti-Cardiolipin Screen is an ELISA test system for the quantitative measurement of IgG, IgM and IgA class autoantibodies against cardiolipin in human serum or plasma. This product is intended for professional in vitro diagnostic use only.
Rheumatoid Factor Total is an ELISA test system for the quantitative measurement
Rheumatoid Factor Total is an ELISA test system for the quantitative measurement of IgG, IgM and IgA class rheumatoid factor in human serum or plasma. This product is intended for professional in vitro diagnostic use only as an aid in the diagnosis of Rheumatoid Arthritis, in conjunction with other laboratory and clinical findings.
Rheumatoid Factor IgM is an ELISA test system for the quantitative measurement o
Rheumatoid Factor IgM is an ELISA test system for the quantitative measurement of IgM class rheumatoid factor in human serum or plasma. This product is intended for professional in vitro diagnostic use only as an aid in the diagnosis of Rheumatoid Arthritis, in conjunction with other laboratory and clinical findings.
Anti-dsDNA is an ELISA test system for the quantitative measurement of IgG class
Anti-dsDNA is an ELISA test system for the quantitative measurement of IgG class autoantibodies against double-stranded DNA in human serum or plasma. This product is intended for professional in vitro diagnostic use only.
LRM
Anti-Dna Antibody (Enzyme-Labeled), Antigen, Control
ANA Detect is an ELISA test system for the qualitative measurement of IgG class
ANA Detect is an ELISA test system for the qualitative measurement of IgG class autoantibodies against SS-A-52 (Ro-52), SS-A-60 (Ro-60), SS-B (La), RNP/Sm, RNP-70, RNP-A, RNP-C, Sm-BB, Sm-D, Sm-E, Sm-F, Sm-G, Scl-70, Jo-1, dsDNA, ssDNA, ssDNA, polynucleosomes, mononucleosomes, histone complex, histone H1, histone H2A, histone H2B, histone 3, histone H4, Pm-Scl-100 and centromere B in human serum or plasma samples. This product is intended for professional in vitro diagnostic use only as an aid in the diagnosis of certain systematic rheumatic diseases.
Anti-MPO is an ELISA test system for the quantitative measurement of IgG class a
Anti-MPO is an ELISA test system for the quantitative measurement of IgG class autoantibodies against myeloperoxidase (MPO) in human serum or plasma. This product is intended for professional in vitro diagnostic use only.
MOB
Test System, Antineutrophil Cytoplasmic Antibodies (Anca)
Rheumatoid Factor IgG is an ELISA test system for the quantitative measurement o
Rheumatoid Factor IgG is an ELISA test system for the quantitative measurement of IgG class rheumatoid factor in human serum or plasma. This product is intended for professional in vitro diagnostic use only as an aid in the diagnosis of Rheumatoid Arthritis, in conjunction with other laboratory and clinical findings.
Anti-PR3 is an ELISA test system for the quantitative measurement of IgG class a
Anti-PR3 is an ELISA test system for the quantitative measurement of IgG class autoantibodies against proteinase 3 (PR3) in human serum or plasma. This product is intended for professional in vitro diagnostic use only.
MOB
Test System, Antineutrophil Cytoplasmic Antibodies (Anca)
Anti-Cardiolipin IgG/IgM is an ELISA test system for the quantitative measuremen
Anti-Cardiolipin IgG/IgM is an ELISA test system for the quantitative measurement of IgG and IgM class autoantibodies against cardiolipin in human serum or plasma. This product is intended for professional in vitro diagnostic use only.
ANTI-RPN/SM IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLAS
ANTI-RPN/SM IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST RNP/SM IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
ANTI-SCL-70 IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLAS
ANTI-SCL-70 IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST SCL-70 IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PRFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
ANTI-SM IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AU
ANTI-SM IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST SM IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
ANTI-SS-B IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS
ANTI-SS-B IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST SS-B (La) IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
ANTI-SS-A IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS
ANTI-SS-A IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST SS-A (52 AND 60kDa) IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
Anti-Cardiolipin Screen is an ELISA test system for the quantitative measurement
Anti-Cardiolipin Screen is an ELISA test system for the quantitative measurement of IgA class autoantibodies against cardiolipin in human serum or plasma. This product is intended for professional in vitro diagnostic use only.
ENASCREEN IS AN ELISA TEST SYSTEM FOR THE QUALITATIVE SCREENING OF IgG CLASS AUT
ENASCREEN IS AN ELISA TEST SYSTEM FOR THE QUALITATIVE SCREENING OF IgG CLASS AUTOANTIBODIES AGAINST EXTRACABLE NUCLEAR ANTIGENS (ena) IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGONSTIC USE ONLY.
LLL
Extractable Antinuclear Antibody, Antigen And Control
ANTI-TPO IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS A
ANTI-TPO IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST THYROID PEROXIDASE (TPO) IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
ANTI-TG IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AU
ANTI-TG IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST THYROGLOBULIN (TG) IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
Latex Agglutination Slide Test for the Detection and Quantitation of serum antin
Latex Agglutination Slide Test for the Detection and Quantitation of serum antinucleoprotein factors associated with systemic Lupus Erythematosis in Human Serum.
The ImmunoDOT Autoimmunity Screening Panel 1 is an enzyme immunoassay (EIA) test
The ImmunoDOT Autoimmunity Screening Panel 1 is an enzyme immunoassay (EIA) test for screening and detection of autoantibodies against various specific nuclear antigens in serum and heparinized whole blood and used as an aid in the diagnosis of autoimmune disorders. This product is intended for use in physician offices and clinical laboratories.
The ImmunoDOT Autoimmunity Screening Panel 1 is an enzyme immunoassay (EIA) test
The ImmunoDOT Autoimmunity Screening Panel 1 is an enzyme immunoassay (EIA) test for screening and detection of autoantibodies against various specific nuclear antigens in serum and heparinized whole blood and used as an aid in the diagnosis of autoimmune disorders. This product is intended for use in physician offices and clinical laboratories.
Substitute Negative Control for specimen. Otherwise follow the Procedure as desc
Substitute Negative Control for specimen. Otherwise follow the Procedure as described in the ImmunoDOT Test package insert.
Substitute Serum Control D for specimen. Otherwise follow the Procedure as descr
Substitute Serum Control D for specimen. Otherwise follow the Procedure as described in the ImmunoDOT Autoimmunity Test package insert.
Anti-Scl-70 ELISA is a test system for the quantitative measurement of IgG class
Anti-Scl-70 ELISA is a test system for the quantitative measurement of IgG class autoantibodies against Scl-70 in human serum or plasma.
The ENA-6Pro ELISA is a solid phase enzyme immunoassay for the separate semiquan
The ENA-6Pro ELISA is a solid phase enzyme immunoassay for the separate semiquantitative detection of IgG antibodies against six cellular and nuclear antigens in human serum. The wells are coated with recombinant SS-B, SS-A 52 kDa, Scl 70, Jo-1 and highly purified native human snRNP/Sm, Sm and SS-A 60 kDa. The assay is an aid in the differential diagnosis of systemic rheumatic diseases and should be used in conjunction with other serological tests and clinical findings.
The ANA-8Pro ELISA is a solid phase enzyme immunoassay for the separate qualitat
The ANA-8Pro ELISA is a solid phase enzyme immunoassay for the separate qualitative detection of IgG antibodies against eight cellular and nuclear antigens in human serum. The wells are separately coated with recombinant 70 kDa U1 snRNP, SS-B, SS-A 52 kDa, Scl 70, centromere protein B (CenpB), Jo-1 and highly purified native human snRNP/Sm, Sm and SS-A 60 kDa. The assay is an aid in the differential diagnosis of systemic rheumatic diseases and should be used in conjunction with other serological tests and clinical findings.
ANA Detect is an ELISA test system for the qualitative measurement of IgG class
ANA Detect is an ELISA test system for the qualitative measurement of IgG class autoantibodies against SS-A-52 (Ro-52), SS-A-60 (Ro-60), SS-B (La), RNP/Sm, RNP-70, RNP-A, RNP-C, Sm-BB, Sm-D, Sm-E, Sm-F, Sm-G, Scl-70, Jo-1, dsDNA, ssDNA, ssDNA, polynucleosomes, mononucleosomes, histone complex, histone H1, histone H2A, histone H2B, histone 3, histone H4, Pm-Scl-100 and centromere B in human serum or plasma samples. This product is intended for professional in vitro diagnostic use only as an aid in the diagnosis of certain systematic rheumatic diseases.
ANTI-JO-1 IS AN EILSA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS
ANTI-JO-1 IS AN EILSA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST JO-1 IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
ANTI-SCL-70 IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLAS
ANTI-SCL-70 IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST SCL-70 IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PRFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
ANTI-RPN/SM IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLAS
ANTI-RPN/SM IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST RNP/SM IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
ANTI-SM IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AU
ANTI-SM IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST SM IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
ANTI-SS-B IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS
ANTI-SS-B IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST SS-B (La) IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
ANTI-SS-A IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS
ANTI-SS-A IS AN ELISA TEST SYSTEM FOR THE QUANTITATIVE MEASUREMENT OF IgG CLASS AUTOANTIBODIES AGAINST SS-A (52 AND 60kDa) IN HUMAN SERUM OR PLASMA. THIS PRODUCT IS INTENDED FOR PROFESSIONAL IN VITRO DIAGNOSTIC USE ONLY.
AESKULISA Jo-1 is a solid phase enzyme immunoassay with recombinant human histid
AESKULISA Jo-1 is a solid phase enzyme immunoassay with recombinant human histidyltRNA-synthetase (HRS) for the quantitative and qualitative detection of antibodies against Jo-1 (named after the prototype patient) in human serum. Human sera with anti-Jo-1 antibodies solely recognize HRS of higher eukaryotes and react with highest affinity with the human enzyme. The assay is a tool in the diagnosis of polymyositis and dermatomyositis.
AESKULISA Cenp-B is a solid phase enzyme immunoassay employing purified recombin
AESKULISA Cenp-B is a solid phase enzyme immunoassay employing purified recombinant human 80 kDa centromere protein B (Cenp-B) for the quantitative and qualitative detection of IgG antibodies against Cenp-B in human serum. The assay ensures the highest specificity and sensitivity for the detection of antibodies against centromere protein B, which serves as an aid in the diagnosis of systemic sclerosis and CREST syndrome.
AESKULISA Scl-70 is a solid phase enzyme immunoassay with human recombinant 70 k
AESKULISA Scl-70 is a solid phase enzyme immunoassay with human recombinant 70 kDa fragment of DNA topoisomerase I for the quantitative and qualitative detection of antibodies against Scl-70 (70 kDa scleroderma antigen) in human serum. The assay is a tool in the differential diagnosis of systemic sclerosis.
AESKULISA SS-B is a solid phase enzyme immunoassay employing human recombinant L
AESKULISA SS-B is a solid phase enzyme immunoassay employing human recombinant La-antigen/ SS-B for the quantitative and qualitative detection of antibodies against Laantigen / SS-B in human serum. The assay is a tool in the diagnosis of Sjögren`s syndrome (SS) and systemic lupus erythematosus (SLE).
AESKULISA SS-A is a solid phase enzyme immunoassay for the quantitative and qual
AESKULISA SS-A is a solid phase enzyme immunoassay for the quantitative and qualitative detection of antibodies against Ro/ SS-A in human serum. The assay employs human Ro/SS-A antigen composed of highly purified native 60kDa and recombinant human 52 kDa Ro/SS-A protein. Anti-SS-A antibodies are species-specific (directed against human protein only) and preferentially react with the native 60kDa molecule where as most antibodies to the 52 kDa protein prefer the denatured molecule. The assay is a tool in the diagnosis of Sjögren`s syndrome (SS) and systemic lupus erythematosus (SLE).
AESKULISA Sm is a solid phase enzyme immunoassay with highly purified native Smi
AESKULISA Sm is a solid phase enzyme immunoassay with highly purified native Smith antigen (Sm) from human eukaryotic cells (HeLa) for the quantitative and qualitative detection of antibodies against Sm in human serum. Anti-Sm antibodies recognize specific conformational epitopes only accessible on native human Sm. The assay is a tool in the differential diagnosis of systemic lupus erythematosus (SLE).
AESKULISA snRNP-C is a solid phase enzyme immunoassay for the quantitative and q
AESKULISA snRNP-C is a solid phase enzyme immunoassay for the quantitative and qualitative detection of antibodies against the snRNP complex in human serum. The assay employs native human U1-snRNP complex highly purified from the cell-line HeLa. The U1-snRNP complex comprises the Smith antigen (Sm) and RNPs, the 70kDa U1specific protein plus protein A and C. The assay is a tool for the diagnosis of mixed connective tissue diseases (MCTD) and systemic lupus erythematosus (SLE)
AESKULISA U1-70 is a solid phase enzyme immunoassay employing recombinant human
AESKULISA U1-70 is a solid phase enzyme immunoassay employing recombinant human 70 kDa protein of the U1-snRNP complex for the quantitative and qualitative detection of antibodies against the 70 kDa U1-RNP in human serum. The assay is a tool in the diagnosis of mixed connective tissue diseases (MCTD) and systemic lupus erythematosus (SLE).
AESKULISA ENA-6Pro is a solid phase enzyme immunoassay for the separate semiquan
AESKULISA ENA-6Pro is a solid phase enzyme immunoassay for the separate semiquantitative detection of IgG antibodies against six cellular and nuclear antigens in human serum. The wells are coated with recombinant SS-B, SS-A 52 kDa, Scl 70, Jo-1 and highly purified native human snRNP/Sm, Sm and SS-A 60 kDa. The assay is a tool in the differential diagnosis of systemic rheumatic diseases.
AESKULISA ANA-8Pro is a solid phase enzyme immunoassay for the separate qualitat
AESKULISA ANA-8Pro is a solid phase enzyme immunoassay for the separate qualitative detection of IgG antibodies against eight cellular and nuclear antigens in human serum. The wells are separately coated with recombinant 70 kDa U1 snRNP, SS-B, SS-A 52 kDa, Scl 70, centromere protein B (CenpB), Jo-1 and highly purified native human snRNP/Sm, Sm and SS-A 60 kDa. The assay is a tool in the differential diagnosis of systemic rheumatic diseases.
AESKULISA Jo-1 is a solid phase enzyme immunoassay with recombinant human histid
AESKULISA Jo-1 is a solid phase enzyme immunoassay with recombinant human histidyltRNA-synthetase (HRS) for the quantitative and qualitative detection of antibodies against Jo-1 (named after the prototype patient) in human serum. Human sera with anti-Jo-1 antibodies solely recognize HRS of higher eukaryotes and react with highest affinity with the human enzyme. The assay is a tool in the diagnosis of polymyositis and dermatomyositis.
AESKULISA Cenp-B is a solid phase enzyme immunoassay employing purified recombin
AESKULISA Cenp-B is a solid phase enzyme immunoassay employing purified recombinant human 80 kDa centromere protein B (Cenp-B) for the quantitative and qualitative detection of IgG antibodies against Cenp-B in human serum. The assay ensures the highest specificity and sensitivity for the detection of antibodies against centromere protein B, which serves as an aid in the diagnosis of systemic sclerosis and CREST syndrome.
AESKULISA Scl-70 is a solid phase enzyme immunoassay with human recombinant 70 k
AESKULISA Scl-70 is a solid phase enzyme immunoassay with human recombinant 70 kDa fragment of DNA topoisomerase I for the quantitative and qualitative detection of antibodies against Scl-70 (70 kDa scleroderma antigen) in human serum. The assay is a tool in the differential diagnosis of systemic sclerosis.
AESKULISA SS-B is a solid phase enzyme immunoassay employing human recombinant L
AESKULISA SS-B is a solid phase enzyme immunoassay employing human recombinant La-antigen/ SS-B for the quantitative and qualitative detection of antibodies against Laantigen / SS-B in human serum. The assay is a tool in the diagnosis of Sjögren`s syndrome (SS) and systemic lupus erythematosus (SLE).
AESKULISA SS-A is a solid phase enzyme immunoassay for the quantitative and qual
AESKULISA SS-A is a solid phase enzyme immunoassay for the quantitative and qualitative detection of antibodies against Ro/ SS-A in human serum. The assay employs human Ro/SS-A antigen composed of highly purified native 60kDa and recombinant human 52 kDa Ro/SS-A protein. Anti-SS-A antibodies are species-specific (directed against human protein only) and preferentially react with the native 60kDa molecule where as most antibodies to the 52 kDa protein prefer the denatured molecule. The assay is a tool in the diagnosis of Sjögren`s syndrome (SS) and systemic lupus erythematosus (SLE).
AESKULISA Sm is a solid phase enzyme immunoassay with highly purified native Smi
AESKULISA Sm is a solid phase enzyme immunoassay with highly purified native Smith antigen (Sm) from human eukaryotic cells (HeLa) for the quantitative and qualitative detection of antibodies against Sm in human serum. Anti-Sm antibodies recognize specific conformational epitopes only accessible on native human Sm. The assay is a tool in the differential diagnosis of systemic lupus erythematosus (SLE).
AESKULISA snRNP-C is a solid phase enzyme immunoassay for the quantitative and q
AESKULISA snRNP-C is a solid phase enzyme immunoassay for the quantitative and qualitative detection of antibodies against the snRNP complex in human serum. The assay employs native human U1-snRNP complex highly purified from the cell-line HeLa. The U1-snRNP complex comprises the Smith antigen (Sm) and RNPs, the 70kDa U1specific protein plus protein A and C. The assay is a tool for the diagnosis of mixed connective tissue diseases (MCTD) and systemic lupus erythematosus (SLE)
AESKULISA U1-70 is a solid phase enzyme immunoassay employing recombinant human
AESKULISA U1-70 is a solid phase enzyme immunoassay employing recombinant human 70 kDa protein of the U1-snRNP complex for the quantitative and qualitative detection of antibodies against the 70 kDa U1-RNP in human serum. The assay is a tool in the diagnosis of mixed connective tissue diseases (MCTD) and systemic lupus erythematosus (SLE).
AESKULISA ENA-6Pro is a solid phase enzyme immunoassay for the separate semiquan
AESKULISA ENA-6Pro is a solid phase enzyme immunoassay for the separate semiquantitative detection of IgG antibodies against six cellular and nuclear antigens in human serum. The wells are coated with recombinant SS-B, SS-A 52 kDa, Scl 70, Jo-1 and highly purified native human snRNP/Sm, Sm and SS-A 60 kDa. The assay is a tool in the differential diagnosis of systemic rheumatic diseases.
AESKULISA ANA-8Pro is a solid phase enzyme immunoassay for the separate qualitat
AESKULISA ANA-8Pro is a solid phase enzyme immunoassay for the separate qualitative detection of IgG antibodies against eight cellular and nuclear antigens in human serum. The wells are separately coated with recombinant 70 kDa U1 snRNP, SS-B, SS-A 52 kDa, Scl 70, centromere protein B (CenpB), Jo-1 and highly purified native human snRNP/Sm, Sm and SS-A 60 kDa. The assay is a tool in the differential diagnosis of systemic rheumatic diseases.