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Rib-P Ab ELISA Kit

  • Created on the 29 June, 2017.

BACKGROUND

Targets to antibodies to ribosomal proteins (anti-Rib-P and Anti-RPP) are particular important for the differential diagnosis of systemic lupus erythematosus (SLE). There appear to be three highly conserved phosphorylated proteins (P proteins) which are present on the 60S subunit of ribosomes, these are designated P0, P1 and P2 and exhibit molecular weights of 35, 19, and 17 kD respectively. P proteins were first discovered on ribosomes in the cytoplasm and later studies have identified  have epitopes which are able to be recognised by anti-ribosomal P protein antibodies present on on the surface of neuronal, activated T cells  and hepatoma. Some studies have even indicated that these three antibodies (P0, P1, P2) have the ability to serve as markers for specific disease manifestations (such as hepatitis and CNS disease). The measurement of antibodies against ribosomal P-proteins can be a vital diagnostic tool in the differential diagnosis of SLE (in particular where typical SLE antibodies are absent).

INTENDED USE

Human Rib-P ELISA kit is a protocol designed for in-vitro quantitative analysis of IgG autoantibodies to ribosomal P proteins (anti-RPP or anti-Rib-P) in human plasma and serum. This assay has a minimum analytical sensitivity limit of 1.0 U/ml.

SENSITIVITY

The minimum detection sensitivity level of human ribosomal P proteins IgG autoantibodies (anti-RPP and anti-Rib-P) using this human Rip-P ELISA kit was 1.0 U/ml. The dynamic assay range for this kit is 12.5 – 200.0 U/ml.

REFERENCES

  1. Technical and clinical evaluation of anti-ribosomal P protein immunoassays. J Clin Lab Anal. (2004) 18 (4): 215-23. Mahler M., et al.
  2. Anti-ribosomal P protein: a novel antibody in autoimmune hepatitis. Liver Int. (2013) 33 (6): 909-13. Calich A.L., et al.
  3. The clinical utility of anti-ribosomal P autoantibodies in systemic lupus erythematosus. Expert Rev Clin Immunol. (2014) 10 (11): 1493-503. Review. Pasoto S.G., et al.
  4. Anti-ribosomal P protein IgG autoantibodies in patients with systemic lupus erythematosus: diagnostic performance and clinical profile. BMC Med. (2013) 11: 98. Carmona-Fernandes D., et al.
  5. Anti-ribosomal-P antibodies in lupus patients and healthy controls: evaluation of three ELISA assays. Isr Med Assoc J. (2009) 11 (7): 403-6. Agmon-Levin N., et al.

ADDITIONAL INFORMATION

  • Full Name: Rip-P Ab ELISA Kit
  • Reactivity: Human
  • Sample Type: Serum, Plasma
  • Sensitivity: 1.0 U/ml

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