Atopic dermatitis (AD) is a chronic inflammatory skin disease with repeated exacerbations of eczema and pruritus. Probiotics
can prevent or treat AD appropriately via modulation of immune responses and gut microbiota. In this study, we evaluated
effects of Lactobacillus acidophilus (L. acidophilus) KBL409 using a house dust mite (Dermatophagoides farinae)-induced
in vivo AD model. Oral administration of L. acidophilus KBL409 significantly reduced dermatitis scores and decreased
infiltration of immune cells in skin tissues. L. acidophilus KBL409 reduced in serum immunoglobulin E and mRNA levels
of T helper (Th)1 (Interferon-γ), Th2 (Interleukin [IL]-4, IL-5, IL-13, and IL-31), and Th17 (IL-17A) cytokines in skin tissues.
The anti-inflammatory cytokine IL-10 was increased and Foxp3 expression was up-regulated in AD-induced mice with
L. acidophilus KBL409. Furthermore, L. acidophilus KBL409 significantly modulated gut microbiota and concentrations
of short-chain fatty acids and amino acids, which could explain its effects on AD. Our results suggest that L. acidophilus
KBL409 is the potential probiotic for AD treatment by modulating of immune responses and gut microbiota of host.
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Limosilactobacillus fermentum KBL674 Alleviates Vaginal Candidiasis Sung Jae Jang, Eun Jung Jo, Cheonghoon Lee, Bo-Ram Cho, Yun Jeong Shin, Jun Soo Song, Woon-Ki Kim, Nanhee Lee, Hyungjin Lee, SungJun Park, GwangPyo Ko Probiotics and Antimicrobial Proteins.2024;[Epub] CrossRef