• 미생물학회지
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• 제53권2호
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• pp.126-128
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• 2017

Cutibacterium acnes (이전 학명 = Propionibacterium acnes)은 혐기성, 그람 양성 간균으로 사람 피부 및 점막조직 표면의 정상 세균총에 해당할 뿐만 아니라 여드름, 유육종증, 뇌종양, 심내막염, 전립선암, 치주질환 및 치수감염질환과도 연관성이 있는 것으로 보고되고 있다. C. acnes KCOM 1861 (= ChDC B594) 균주가 사람 악골 골수염 병소에서 분리되었으며 그 유전체 염기서열을 해독하여 보고한다.

• 미생물학회지
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• 제55권1호
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• pp.64-66
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• 2019

Cutibacterium acnes는 사람의 피부, 결막, 장관, 외이도 및 구강의 정상 세균 총의 하나이다. 이 세균 종은 여드름, 심내막염 감염, 유육종증, 뇌 농양, 치주염 및 골수염과 관련된 기회감 염성병원균으로 확인되었다. C. acnes KCOM 1315 (= ChDC KB81)는 사람 악골골수염 병소로부터 분리되었다. 여기에서 C. acnes KCOM 1315 균주 완전 유전체 염기서열을 해독하여 보고한다.

• Journal of Microbiology and Biotechnology
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• 제32권11호
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• pp.1390-1395
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• 2022

Acne is a chronic inflammatory disease of the sebaceous gland attached to the hair follicles. Cutibacterium acnes is a major cause of inflammation caused by acne. It is well known that C. acnes secretes a lipolytic enzyme to break down lipids in sebum, and free fatty acids produced at this time accelerate the inflammatory reaction. There are several drugs used to treat acne; however, each one has various side effects. According to previous studies, sulforaphene (SFEN) has several functions associated with lipid metabolism, brain function, and antibacterial and anti-inflammatory activities. In this study, we examined the effects of SFEN on bacterial growth and inflammatory cytokine production induced by C. acnes. The results revealed that SFEN reduced the growth of C. acnes and inhibited proinflammatory cytokines in C. acnes-treated HaCaT keratinocytes through inhibiting NF-κB-related pathways. In addition, SFEN regulated the expression level of IL-1α, a representative pro-inflammatory cytokine expressed in co-cultured HaCaT keratinocytes and THP-1 monocytes induced by C. acnes. In conclusion, SFEN showed antibacterial activity against C. acnes and controlled the inflammatory response on keratinocytes and monocytes. This finding means that SFEN has potential as both a cosmetic material for acne prevention and a pharmaceutical material for acne treatment.

• International Journal of Oral Biology
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• 제44권3호
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• pp.101-107
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• 2019

The purpose of this study was to investigate the antimicrobial activity of the ethanol extract of Garcinia mangostana L. (mangosteen) against Cutibacterium acnes (6 strains) and Staphylococcus aureus (6 strains). The antimicrobial activity of the mangosteen extract was evaluated based on its minimal bactericidal concentration. Cytotoxicity of the mangosteen extract against human embryonic kidney 293 (HEK 293) cells was determined using the cell counting method. The data showed that the mangosteen extract was not toxic to HEK 293 cells at a concentration of up to $16{\mu}g/mL$ and killed 87.0% and 99.9% of C. acnes and S. aureus after 10 minutes and 1 hour of treatment, respectively. These results suggest that ethanol extract of mangosteen can be used as an anti-acne agent.

• 한국수산과학회지
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• 제56권3호
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• pp.293-299
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• 2023

Acne vulgaris is often associated with acne-related bacteria such as Cutibacterium acnes. In this study, we investigated the antibacterial effects of the methanol extract of the algae Ecklonia cava and its solvent-soluble extract against C. acnes. Among five solvent fractions, the ethyl acetate (EtOAc) fraction exhibited the strongest antibacterial activity against C. acnes. Furthermore, the EtOAc-soluble extract exhibited the highest total phenolic contents among the five solvent fractions tested. The EtOAc subfraction 07 (Fr. 07) extract showed the highest antibacterial effect against C. acnes and isolated C. acnes along with minimum inhibitory concentration (MIC) ranging from 32 to 64 ㎍/mL. Additionally, MICs of antibiotics against antibiotic-resistant C. acnes strains were substantially reduced when antibiotics were combined with Fr. 07, suggesting that Fr. 07 restore the antibacterial activity of the antibiotics. The fractional inhibitory concentration indices clearly revealed an additive synergistic effect of Fr. 07 with antibiotics. The results of the present study suggest a potential role for E. cava in the control of infections related to acne vulgaris.

• 한국수산과학회지
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• 제54권1호
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• pp.111-117
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• 2021

The study was aimed at developing an alternative therapeutic agent against acne vulgaris, one of the most common skin diseases, to meet the continuing demand for new therapies. Acne vulgaris is often associated with the acne-causing bacteria such as Cutibacterium acnes. To investigate the safety of agents against acne vulgaris, we evaluated the potential antibacterial activities of edible seaweeds against C. acnes in Korea. Forty-one edible seaweeds, including the brown, green, and red varieties, were selected for the antibacterial test. In comparison with other seaweeds, 70% ethanolic extracts of brown seaweeds, such as Cladophora wrightiana var. minor, Eisenia bicyclis, Ecklonia cava, Ishige foliacea, Ishige okamurae, Sargassum filicinum, and Sargassum miyabei Yendo, exhibited potential antibacterial activity against C. acnes with minimum inhibitory concentrations ranging between 64 and 128 ㎍/mL. To investigate the active anti-acne agents and to enhance our understanding of the antibacterial activities against C. acnes, further solvent-fractionation experiments are warranted. The findings imply that brown seaweeds can be a potential source of natural agents against acne vulgaris.

• Journal of Applied Biological Chemistry
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• 제64권1호
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• pp.83-87
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• 2021

소목(Caesalpinia sappan L.) 열수추출물의 피부상재균(Escherichia coli, Staphylococcus aureus, Cutibacterium acnes, Malassezia furfur)에 대한 항균 활성을 확인하였다. 소목 열수추출물의 수율과 폴리페놀 함량은 각각 14.01±0.81%과 487.5±19.69 ㎍/mg-추출물로 나타났다. 소목 열수추출물의 E. coli, S. aureus, C. acnes 및 M. furfur의 증식에 대한 최소저해농도는 각각 0.875, 1.750, 1.750 및 1.750 mg/mL이었다. 디스크 확산법에서 소목 열수추출물의 처리량에 비례하여 생육저해환이 증가하였다. 소목 열수추출물은 농도에 비례하여 피부상재균의 생육을 억제하였다.

• 한국수산과학회지
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• 제54권4호
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• pp.552-560
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• 2021

This study investigated anti-inflammatory and antibacterial activities of Sedum takesimense ethanolic extract, and 3 isolated compounds. To confirm anti-inflammatory and anti-acne activities, a nitric oxide (NO) inhibition assay, pro-inflammatory factor (TNF-α, IL-1β, and IL-8) inhibition assays, and minimum inhibitory concentration (MIC) tests were performed. The 3 isolated compounds were identified as 4,6-di-O-galloylarbutin (OGA), 2,4,6-tri-O-galloyl-glucose (OGG), and 1,2,4,6-tetra-O-galloyl-β-glucose (TOGG). The ethanolic extract and isolated compounds (OGA, OGG, TOGG) effectively inhibited production of NO and pro-inflammatory cytokines (TNF-α, IL-1β, and IL-8). Furthermore, OGG and TOGG exhibited MIC values toward Cutibacterium acnes of 12.5 ㎍/mL and 3.2 ㎍/mL, respectively. These results suggest that S. takesimense extract exerts an anti-inflammatory effect on LPS-induced RAW264.7 cells, and an antibacterial efficacy against C. acnes.

• Journal of Applied Biological Chemistry
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• 제66권
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• pp.213-220
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• 2023

본 연구는 비자나무(Torreya nucifera (L.) Siebold & Zucc, TN)와 생물전환 된 비자나무 추출물(TNB)의 항염증 효과를 평가하기 위해 수행되었으며 이를 위해 C. acnes에 의해 유도된 RAW264.7 염증 모델에서 염증인자의 발현을 조사하였다. 실험 결과, TNB는 50, 100, 200 ㎍/mL 농도에서 TN의 높은 세포독성을 개선하였으며 nitric oxide (NO)와 NO 합성 효소인 inducible NO synthase (iNOS) 및 prostaglandin의 합성 효소인 cyclooxygenase-2 (COX-2)의 발현을 유의하게 억제하였다. 또한 TNB는 염증성 사이토카인인 tumor necrosis factor-α (TNF-α) 및 interleukin (IL)-1β, IL-6, IL-8의 발현을 유의하게 억제하였으며 특히 IL-6, IL-8의 경우 가장 고 농도인 200 ㎍/mL에서 정상세포 수준으로 감소하였다. 이후 진행된 western blot에서 인산화 된 IκB-α 및 NF-κB의 발현이 농도의존적으로 억제됨을 확인하였으며 인산화가 억제되면서 degradation이 감소하여 TNB처리 농도가 높아짐에 따라 IκB-α의 농도가 증가하는 경향을 보였다. 결론적으로, TNB는 NF-κB신호 전달 경로를 차단함으로써 다양한 염증 매개 인자의 발현을 효과적으로 하향 조절할 수 있으며 이를 통해 항 염증 활성을 유도하는 것으로 확인된다. 이러한 결과를 근거로 TNB가 C. acnes에 의해 유발된 염증성질환의 치료에 효과적인 천연물 소재로 적용될 수 있음을 제안한다.