Evaluation of Homocysteine Status and its Correlation with Disease Severity in Individuals with Sickle Cell Anaemia

N I Ugwu1, P O Manafa2, S E Agina2

  • 1Department of Haematology and Immunology, Faculty of Basic Clinical Sciences, Ebonyi State University, Abakiliki, Ebonyi State, Nigeria.

Insights

Individuals with sickle cell anaemia (SCA) have higher homocysteine levels and lower BMI. Higher homocysteine correlated negatively with BMI, suggesting potential links to disease severity.

Area of Science:

  • Hematology
  • Biochemistry
  • Genetics

Background:

  • Sickle cell anaemia (SCA) is a genetic blood disorder characterized by chronic inflammation and a hypercoagulable state.
  • Elevated homocysteine levels are implicated in various vascular and inflammatory conditions.

Purpose of the Study:

  • To evaluate serum homocysteine levels in individuals with SCA during a steady state.
  • To investigate the correlation between homocysteine levels, disease severity, and body mass index (BMI) in SCA patients.

Main Methods:

  • A cross-sectional study involving 90 participants: 30 with homozygous sickle cell (HbSS, SCA), 30 with sickle cell trait (HbAS), and 30 with normal adult haemoglobin (HbAA).
  • Serum homocysteine levels were quantified using the ELISA method.
  • Disease severity and BMI were calculated, and data were analyzed using SPSS software.

Main Results:

  • Mean serum homocysteine was significantly higher in HbSS individuals (26.2 ± 11.8 umol/l) compared to HbAA (17.9 ± 8.0 umol/l) and HbAS (18.9 ± 7.9 umol/l) (p<0.05).
  • Mean BMI was significantly lower in HbSS individuals (21.9 ± 2.8 kg/m2) compared to HbAS (23.7 ± 2.5 kg/m2) and HbAA (24.7 ± 2.4 kg/m2) (p<0.05).
  • A significant negative correlation was observed between homocysteine levels and BMI (r = -0.0258; p = 0.021), and between disease severity and BMI (r = -0.400; p = 0.028) in HbSS patients.

Conclusions:

  • Individuals with HbSS exhibit elevated serum homocysteine and reduced BMI compared to controls.
  • While the correlation between homocysteine and SCA disease severity was not statistically significant, a strong negative correlation with BMI was noted.
  • Further large-scale studies are recommended to elucidate the relationship between homocysteine and SCA severity, and to explore potential benefits of vitamin supplementation.
Abstract

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