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Staphylococcus species on the skin surface of infant atopic dermatitis patients
S Higaki1, S Morimatsu, M Morohashi
1Department of Dermatology, Toyama Medical and Pharmaceutical University, Japan.
Insights
Staphylococcus aureus colonization was common on the facial skin of infants with atopic dermatitis. Healthy infants showed more S. epidermidis, while other staphylococci species were found in both groups.
Area of Science:
- Microbiology
- Dermatology
- Pediatrics
Background:
- Atopic dermatitis is a common inflammatory skin condition in infants.
- The role of Staphylococcus species in infant atopic dermatitis is not fully understood.
- Facial skin microbiome composition may influence atopic dermatitis development.
Purpose of the Study:
- To investigate the Staphylococcus species colonizing the facial skin of infants.
- To compare Staphylococcus colonization patterns between infants with atopic dermatitis and healthy controls.
- To identify potential microbial biomarkers associated with atopic dermatitis in infants.
Main Methods:
- Microbiological sampling of facial skin (cheek and nose) from infants.
- Identification and characterization of Staphylococcus species using culture-based methods.
- Comparison of bacterial colonization prevalence between case (atopic dermatitis) and control (healthy) groups.
Main Results:
- Staphylococcus aureus colonization was prevalent on the facial skin of infants with atopic dermatitis (9/10 on cheeks, 7/10 on noses).
- Staphylococcus epidermidis was frequently detected on the skin of healthy infants.
- Various coagulase-negative staphylococci species were identified in both atopic dermatitis and healthy infant groups.
Conclusions:
- Staphylococcus aureus facial skin colonization is common in infants with atopic dermatitis.
- Distinct Staphylococcus species profiles may exist between infants with and without atopic dermatitis.
- Further research is warranted to explore the pathogenic role of S. aureus in infant atopic dermatitis.
Abstract:
The Staphylococcus species present in microbiological samples from the facial skin of 10 infants with atopic dermatitis and eight healthy infants were studied. S. aureus colonization was detected on the cheek and nose skin of most of the infants with atopic dermatitis (9/10 and 7/10, respectively). Among the coagulase-negative staphylococci found, S. epidermidis was detected commonly on the skin of healthy infants; several other species of coagulase-negative staphylococci were found on the skin of infants with atopic dermatitis and of healthy infants.