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Plasma concentration of fucosyltransferase 7 is not associated with the number of clinically overt vaso-occlusive events in sickle cell disease


Iheanyi E. Okpala
Onyinye E. Eze
Chinedu A. Ezekekwu
Ifeyinwa D. Nnakenyi
Gladys U. Ilechukwu
Chinedu O. Akpa
Emmanuel I. Nwani
Collins J. Maduka
Ikechukwu O. Anigbogu
Ebele D. Muoghalu
Ngozi I. Ugwu
Ifeoma C. Ajuba
John C. Aneke
Helen C. Okoye
Charles C. Nonyelu
Augustine N. Duru

Abstract

Objective: To determine if the number of vaso-occlusive events in SCD relates to plasma concentration of fucosyl-transferase 7 (FUT7), which catalyses the synthesis of selectin ligands.
Design: A prospective, analytical study.
Setting: Haematology and Chemical Pathology Departments of tertiary healthcare centers
Participants: Steady state HbSS individuals aged 13-45 years, 20 had 3 or more vaso-occlusive crises that required hospital admission in the previous year (with or without complications of SCD); 17 other HbSS persons had 0-1 vaso-occlusive crisis that required hospital admission in the previous year and no disease complications.
Intervention: Steady-state plasma concentrations of FUT7 measured by ELISA were compared between SCD patients who had one vaso-occlusive crisis requiring hospital treatment in the previous year but no disease complications and those who had >3 crises with or without complications.
Main Outcome Measures: Plasma level of FUT7and the number of vaso-occlusive events in each HbSS patient
Results: Mean + standard deviation plasma concentration of FUT7 was 8.6 + 2.7 ng/ml in patients with >3 vaso-occlusive crises in the previous year and 7.3 + 1.7 ng/ml in those with 0-1 crisis and no complications; independent sample t-test, p > 0.05, not significantly different.
Conclusion: Plasma concentration of fucosyltransferase7 is not associated with the number of vaso-occlusive events in sickle cell disease.


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print ISSN: 0016-9560