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Automated quantitative microcolumn chromatography of haemoglobin A2.

R S Ersser¹, L Blight, N M Hjelm

¹Department of Clinical Biochemistry, Hospitals for Sick Children, London, UK.

Biomedical Chromatography : BMC

|September 1, 1991

Summary

Automated microcolumn chromatography offers precise analysis of haemoglobin A2 for beta-thalassaemia heterozygote screening. This method provides reliable quantitative data, comparable to established techniques.

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Area of Science:

Biochemistry
Clinical Chemistry
Hematology

Background:

Beta-thalassaemia is a genetic blood disorder.
Accurate quantification of haemoglobin A2 is crucial for diagnosing beta-thalassaemia trait.
Established methods for haemoglobin A2 analysis can be time-consuming or require specialized equipment.

Purpose of the Study:

To adapt automated cation exchange microcolumn chromatography for precise haemoglobin A2 quantification.
To evaluate the suitability of this modified method for identifying beta-thalassaemia heterozygotes.
To compare the performance of the new method against a standard electrophoresis technique.

Main Methods:

Modification of automated cation exchange microcolumn chromatography.
Analysis of haemoglobin A2 using the adapted chromatographic method.
Comparison of results with electrophoresis followed by densitometry.

Main Results:

The modified microcolumn chromatography method provides precise and specific quantitative data for haemoglobin A2.
The results obtained are comparable to those from the established electrophoresis and densitometry method.
The method is suitable for investigating potential beta-thalassaemia heterozygotes.

Conclusions:

Automated cation exchange microcolumn chromatography is a validated and effective method for haemoglobin A2 analysis.
This technique offers a reliable tool for the clinical investigation of beta-thalassaemia trait.
The precision and specificity make it valuable for genetic screening programs.