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논문 기본 정보

자료유형
학술저널
저자정보
Kim Sukyung (Department of Pediatrics Hallym University Dongtan Sacred Heart Hospital Hallym University School o) Han Song-Yi (Department of Pediatrics Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Ko) Lee Jinyoung (Department of Pediatrics Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Ko) Kim Na-Rae (Department of Pediatrics Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Ko) Lee Bora (Department of Pediatrics Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Ko) Kim Hyunmi (Department of Pediatrics Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Ko) Kwon Mijeoung (Department of Pediatrics Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Ko) Ahn Kangmo (Department of Pediatrics Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Ko) Noh Youngbae (Dairyteam Lotte R) Kim Sang Jong (Dairyteam Lotte R&D Center Seoul Korea) Lee Phyrim (Dairyteam Lotte R) Kim Dongki (Department of Translational Research and Cellular Therapeutics Beckman Research Institute of City o) Kim Byung Eui (Department of Pediatrics Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Ko) Kim Jihyun (Department of Pediatrics Samsung Medical Center Sungkyunkwan University School of Medicine Seoul Ko)
저널정보
대한천식알레르기학회(구 대한알레르기학회) Allergy, Asthma & Immunology Research Allergy, Asthma & Immunology Research Vol.14 No.5
발행연도
2022.9
수록면
549 - 564 (16page)
DOI
10.4168/aair.2022.14.5.549

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Purpose: The beneficial effects of a combination therapy using Bifidobacterium longum and galactooligosaccharide (GOS) for the treatment of atopic dermatitis (AD) have not been elucidated. Methods: Gene expressions of interleukin (IL)-4 and IL-13 from peripheral blood mononuclear cells and fecal abundance of B. longum from 12-month-old infants were evaluated. Human primary epidermal keratinocytes (HEKs) and hairless mice were treated with B. longum, GOS, B. longum-derived extracellular vesicles (BLEVs), dinitrochlorobenzene (DNCB), or a synbiotic mixture of B. longum and GOS. Expression of epidermal barrier proteins and cytokines as well as serum immunoglobulin E (IgE) levels were analyzed in HEKs and mice. Dermatitis scores, transepidermal water loss (TEWL), epidermal thickness, and fecal B. longum abundance were evaluated in mice. Results: Fecal abundance of B. longum was negatively correlated with blood IL-13 expression in infants. B. longum or BLEVs increased expression of filaggrin (FLG) and loricrin (LOR) in HEKs. B. longum increased the efficacy of GOS to upregulate FLG and LOR expressions in HEKs. Oral administration of GOS increased fecal abundance of B. longum in mice. Oral administration of B. longum attenuated DNCB-induced skin inflammation, abnormal TEWL, AD-like skin, and deficiency of epidermal barrier proteins. Moreover, the combination of B. longum and GOS showed greater effects to improve DNCB-induced skin inflammation, abnormal TEWL, AD-like skin, serum IgE levels, IL-4 over-expression, and the deficiency of epidermal barrier proteins than the administration of B. longum alone. Conclusions: B. longum and GOS improve DNCB-induced skin barrier dysfunction and AD-like skin.

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