Atopic dermatitis-mitigating effects of newLactobacillusstrain,Lactobacillus sakeiprobio 65 isolated from Kimchi

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Atopic dermatitis (AD) is an inflammatory skin disease. Probiotics have been reported to modulate immune responses and thus are now being suggested as potential treatments for allergies. In this study, we investigated the inhibitory effects of Lactobacillus sakei probio 65 isolated from Kimchi on artificially inducing AD in NC/Nga mice.

Methods and Results

Oral administration of viable or heat-inactivated Lact. sakei probio 65 improved the condition of skin and reduced scratching frequency. Serum levels of IgE and cutaneous T-cell-attracting chemokine (CTACK) were significantly decreased by this therapy. Dead Lact. sakei probio 65 also decreased IL-4 and IL-6 serum concentrations. Moreover, both live and dead Lact. sakei probio 65 inhibited the expression of Thymus and activation-regulated chemokine and CTACK in AD-like skin lesions. The increased levels of Foxp3 expression in the lesional skin and ears were also suppressed by Lact. sakei probio 65. In addition, Lact. sakei probio 65 inhibited β-hexosaminidase release and the secretion of IL-4, TNF-α and IL-6 from RBL-2H3 cells.


Oral treatment with both viable and heat-inactivated Lact. sakei probio 65 inhibits skin inflammation and AD-like skin lesions, as well as mast cell activation.

Significance and Impact of the Study

Lactobacillus sakei probio 65 has an inhibitory effect on atopic dermatitis-like skin lesions and may represent an effective new anti-inflammatory agent.

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