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PubMed · 11438030

Automated serological compatibility testing using a solid-phase test and standard laboratory equipment.

N Ostendorf·D Niefhoff·U Cassens·W Sibrowski
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Abstract

BACKGROUND AND OBJECTIVES: To prove the feasibility of a semi-automated cross-match procedure using a commercially available solid-phase microplate test and standard laboratory equipment. MATERIAL AND METHODS: The new procedure was evaluated against the conventional spin tube technique and the gel centrifugation system. RESULTS: The sensitivity of the method and the rate of non-specific reactions were equal to those for the other test systems. The samples taken from the red cell concentrates for cross-matching remained stable for the shelf-life of the product. CONCLUSION: The semi-automated cross-match was successfully introduced in our routine laboratory as a means to process large numbers of tests.

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Blood Grouping and CrossmatchingHumansSensitivity and SpecificityJournal Article

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N Ostendorf, D Niefhoff, U Cassens, W Sibrowski. 2001. Automated serological compatibility testing using a solid-phase test and standard laboratory equipment.. https://doi.org/10.1046/j.1423-0410.2001.00034.x

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PubMed2002

JAHK: a low frequency antigen associated with the rG complex of the Rh blood group system.

We have investigated a 'new' low frequency antigen JAHK, which is a marker for the rare Rh gene complex rG. The rG haplotype does not produce any D, c or E antigens, but does produce a strong G antigen. The rG haplotype [d(C)(e)G] is associated with weak C and weak e antigens. Three unrelated rG/dce individuals and one rG/rG propositus were JAHK+. In addition, three propositi whose red cells had a typical expression of C and/or e antigen, which could not be shown to be rG because of a normal D antigen produced by the haplotype in trans, were also JAHK+. Families of three of the propositi demonstrate the inheritance of JAHK as a Mendelian dominant character. It is likely that the JAHK antigen results from conformational changes in an RhCcEe protein that has the amino acid characteristic of c antigen at position 16 and the amino acid residues characteristic of C antigen at positions 60, 68, and 103. JAHK has been assigned the number RH53.

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