Clinical Signs, Staphylococcus and Atopic Eczema-Related Seromarkers
AbstractChildhood eczema or atopic dermatitis (AD) is a distressing disease associated with pruritus, sleep disturbance, impaired quality of life and Staphylococcus aureus isolation. The pathophysiology of AD is complex and various seromarkers of immunity are involved. We investigated if anti-staphylococcal enterotoxin IgE (anti-SE), selected seromarkers of T regulatory (Treg), T helper (Th) and antigen-presenting cells (APC) are associated with clinical signs of disease severity and quality of life. Disease severity was assessed with the Scoring Atopic Dermatitis (SCORAD) index, and quality of life with the Children’s Dermatology Life Quality Index (CDLQI) in AD patients ≤18 years old. Concentrations of anti-staphylococcus enterotoxin A and B immunoglobulin E (anti-SEA and anti-SEB), selected Treg/Th/APC chemokines, skin hydration and transepidermal water loss (TEWL) were measured in these patients. Forty patients with AD [median (interquartile range) age of 13.1 (7.9) years) were recruited. Backward stepwise linear regression (controlling for age, personal allergic rhinitis and asthma, and other blood markers) showed the serum anti-SEB level was positively associated with S. aureus and S. epidermidis isolations, objective SCORAD, clinical signs and CDLQI. TNF-α (a Th1 cytokine) was positively associated with objective SCORAD (B = 4.935, p = 0.010), TGF-β (a Treg cytokine) negatively with disease extent (B = −0.015, p = 0.001), IL-18 (an APC cytokine) positively with disease extent (B = 0.438, p = 0.001) and with TEWL (B = 0.040, p = 0.010), and IL-23 (an APC cytokine) negatively with disease extent (B = −2.812, p = 0.006) and positively with pruritus (B = 0.387, p = 0.007). Conclusions: Blood levels of anti-SEB, Th1, Treg and APC cytokines are correlated with various clinical signs of AD. AD is a systemic immunologic disease involving Staphylococcus aureus, cellular, humoral, cytokine and chemokine pathophysiology. View Full-Text
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Hon, K.L.; Tsang, K.Y.C.; Kung, J.S.C.; Leung, T.F.; Lam, C.W.K.; Wong, C.K. Clinical Signs, Staphylococcus and Atopic Eczema-Related Seromarkers. Molecules 2017, 22, 291.
Hon KL, Tsang KYC, Kung JSC, Leung TF, Lam CWK, Wong CK. Clinical Signs, Staphylococcus and Atopic Eczema-Related Seromarkers. Molecules. 2017; 22(2):291.Chicago/Turabian Style
Hon, Kam L.; Tsang, Kathy Y.C.; Kung, Jeng S.C.; Leung, Ting F.; Lam, Christopher W.K.; Wong, Chun K. 2017. "Clinical Signs, Staphylococcus and Atopic Eczema-Related Seromarkers." Molecules 22, no. 2: 291.
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