Quantitative assessment of metal dysregulation in β ‐thalassemia patients in comparison with healthy controls by ICP‐MS and chemometric analyses

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EarlyView Article

  • Published: Mar 5, 2018
  • Author: Sabiha Farooq, Wardah Mazhar, Amna Jabbar Siddiqui, Saqib Hussain Ansari, Syed Ghulam Musharraf
  • Journal: Biomedical Chromatography


β‐Thalassemia is one of the most common inherited disorders and is widely distributed throughout the world. Owing to severe deficiencies in red blood cell production, blood transfusion is required to correct anemia for normal growth and development but causes additional complications owing to iron overload. The aim of this study is to quantify the biometal dysregulations in β‐thalassemia patients as compared with healthy controls. A total of 17 elements were analyzed in serum samples of β‐thalassemia patients and healthy controls using ICP‐MS followed by chemometric analyses. Out of these analyzed elements, 14 showed a significant difference between healthy and disease groups at p < 0.05 and fold change >3. A PLS‐DA model revealed an excellent separation with 89.8% sensitivity and 97.2% specificity and the overall accuracy of the model was 92.2%. This metallomic study revealed that there is major difference in metallomic profiling of β‐thalassemia patients specifically in Co, Mn, Ni, V and Ba, whereas the fold changes in Co, Mn, V and Ba were found to be greater than that in Fe, providing evidence that, in addition to Fe, other metals are also altered significantly and therefore chelation therapy for other metals may also needed in β‐thalassemia patients.

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