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Circulating antibodies to cow's milk proteins in children with acute diarrhoea
Insights
Infants recovering from diarrhea showed higher levels of circulating antibodies to cow's milk protein compared to healthy infants. This suggests increased absorption of milk proteins during illness, highlighting potential risks of early milk exposure in sick infants.
Area of Science:
- Immunology
- Pediatrics
- Gastroenterology
Background:
- Cow's milk protein allergy is a common concern in infants.
- Gastrointestinal infections can alter gut permeability and immune responses.
- Understanding immune reactions to dietary antigens during illness is crucial for infant health.
Purpose of the Study:
- To investigate circulating antibodies to cow's milk protein in infants with and without a history of acute diarrhea.
- To assess the relationship between acute diarrhea and immune response to cow's milk protein.
Main Methods:
- Hemagglutinating antibody titers to cow's milk protein were measured.
- A cohort of 35 infants (2-11 months) was studied: 9 healthy controls and 26 convalescents from acute diarrhea.
- Infants were normally nourished and hydrated, fed diluted cow's milk during the assay.
Main Results:
- Infants recovering from acute diarrhea exhibited significantly elevated hemagglutinating antibody titers to cow's milk protein compared to healthy controls (p < 0.001).
- The findings suggest enhanced absorption of undegraded cow's milk protein during acute diarrheal illness.
Conclusions:
- Elevated antibodies indicate increased intestinal permeability or absorption of intact cow's milk proteins during diarrheal episodes.
- This supports the hypothesis that the infant digestive tract is more vulnerable to antigenic exposure during pathological conditions.
- Further research is warranted to explore the long-term implications of altered protein absorption in infants with gastrointestinal infections.
Abstract:
Circulating antibodies to cow's milk protein were investigated in 35 normally nourished infants aged 2 to 11 months. Nine were healthy (control group), and the remaining 26 were convalescents from acute diarrhoea. At the time of assay they were normally hidrated and being fed diluted cow's milk. The results showed elevated hemagglutinating antibody titers in the group of children with diarrhoea, statistically different to the control (p less than 0.001). The existence of an enhanced absorption of non degraded milk protein during the disease is assumed. This observation constitutes one more element in favour of the risk of exposing the digestive tract to antigenic loads in pathological situations as those considered.