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[Hemoglobin concentration, hematocrit and leukocyte distribution pattern in children with Down's syndrome]
1Wojewódzka Stacja Krwiodawstwa w Kielcach.
Insights
Children with Down syndrome exhibit distinct immune cell profiles. While hematocrit and hemoglobin levels are similar, T-lymphocyte counts are significantly lower in these children, indicating potential immune system differences.
Area of Science:
- Immunology
- Pediatrics
- Genetics
Background:
- Down syndrome is associated with various health complications, including potential immune system dysregulation.
- Understanding hematological and immunological differences in children with Down syndrome is crucial for their healthcare.
Purpose of the Study:
- To investigate hematological and immunological parameters in children with Down syndrome compared to healthy controls.
- To identify age-related differences in immune cell distribution in children with Down syndrome.
Main Methods:
- Comparative analysis of hematocrit, hemoglobin, and leukocyte counts in children with and without Down syndrome.
- Flow cytometry was used to assess E-rosette-forming cells and T-lymphocyte populations.
Main Results:
- Children with Down syndrome showed insignificantly higher hematocrit and hemoglobin, and a slightly lower leukocyte count.
- Older children (3.5-10 years) with Down syndrome had more neutrophils and fewer lymphocytes.
- Significantly lower percentages of E-rosette-forming cells and T-lymphocytes were observed in children with Down syndrome.
Conclusions:
- Children with Down syndrome exhibit altered lymphocyte profiles, particularly a reduction in T-lymphocytes.
- These immunological findings may contribute to the increased susceptibility to infections observed in Down syndrome.
- Further research is warranted to explore the clinical implications of these immune differences.
Abstract:
Sixty-two children with Down's syndrome and twenty-five healthy children, aged 3 months to 10 years, were studied. It was found that the hematocrit values and concentrations of hemoglobin in Down's syndrome were insignificantly higher than in healthy children, while their leukocyte count was slightly lower. The leukocyte distribution patterns in children with Down's syndrome, aged 3 months to 3 years, were similar to those in healthy children. However, children aged 3.5-10 years with Down's syndrome had a slightly higher percentage of neutrophiles and a significantly lower percentage of lymphocytes. The percentage of E-rosette-forming cells and count of T-lymphocyte forming these rosettes in Down's syndrome were significantly lower than in healthy children.