Related Experiment Videos
[Mother-transmitted antimalarial immunity. its evolution in child (author's transl)]
Medecine Tropicale : Revue Du Corps De Sante Colonial
|January 1, 1982
Summary
Maternal antibodies protect newborns from malaria for about a month. Fetal hemoglobin (HbF) offers protection during the first three months, potentially negating the need for early antimalarial prophylaxis.
Area of Science:
- Immunology
- Pediatrics
- Infectious Diseases
Context:
- Mother-to-child transmission of immunity is crucial for infant health.
- Antimalarial antibody levels and their protective duration in newborns are not fully understood.
- The role of fetal hemoglobin (HbF) in early-life malaria protection requires further investigation.
Purpose:
- To investigate the transmission and duration of maternal antimalarial antibodies in newborns.
- To assess the protective role of fetal hemoglobin (HbF) against malaria in early infancy.
- To determine the necessity of antimalarial prophylaxis in the first three months of life.
Summary:
- A study using indirect immunofluorescence tests found that 16% of newborns and 25% of infants receive maternal antimalarial antibodies via transplacental transfer or breastfeeding.
- While these passively acquired antibodies typically last only one month, fetal hemoglobin (HbF) appears to provide significant protection against malaria, particularly as HbF levels decrease and malaria morbidity increases.
- The findings suggest that HbF confers natural protection during the first three months of life, potentially making early antimalarial prophylaxis unnecessary.
Impact:
- Provides evidence for the protective role of fetal hemoglobin against early-life malaria.
- Informs guidelines on the timing and necessity of antimalarial prophylaxis for infants.
- Highlights the transient nature of maternally acquired antimalarial antibodies.