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Gannesen AV, Schelkunov MI, Ziganshin RH, Ovcharova MA, Sukhacheva MV, Makarova NE, Mart'yanov SV, Loginova NA, Mosolova AM, Diuvenji EV, Nevolina ED, Plakunov VK. Proteomic and transcriptomic analyses of Cutibacterium acnes biofilms and planktonic cultures in presence of epinephrine. AIMS Microbiol 2024; 10:363-390. [PMID: 38919714 PMCID: PMC11194618 DOI: 10.3934/microbiol.2024019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 05/15/2024] [Accepted: 05/21/2024] [Indexed: 06/27/2024] Open
Abstract
Transcriptomic and proteomic analysis were performed on 72 h biofilms of the acneic strain Cutibacterium acnes and planktonic cultures in the presence of epinephrine. Epinephrine predominantly downregulated genes associated with various transporter proteins. No correlation was found between proteomic and transcriptomic profiles. In control samples, the expression of 51 proteins differed between planktonic cultures and biofilms. Addition of 5 nM epinephrine reduced this number, and in the presence of 5 µM epinephrine, the difference in proteomic profiles between planktonic cultures and biofilms disappeared. According to the proteomic profiling, epinephrine itself was more effective in the case of C. acnes biofilms and potentially affected the tricarboxylic acid cycle (as well as alpha-ketoglutarate decarboxylase Kgd), biotin synthesis, cell division, and transport of different compounds in C. acnes cells. These findings are consistent with recent research on Micrococcus luteus, suggesting that the effects of epinephrine on actinobacteria may be universal.
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Affiliation(s)
- AV Gannesen
- Federal Research Centre “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow 119071, Russia
| | - MI Schelkunov
- Skolkovo Institute of Science and Technology, Moscow 121205, Russia
- Institute for Information Transmission Problems of Russian Academy of Sciences, Moscow 127051, Russia
| | - RH Ziganshin
- Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow 117997, Russia
| | - MA Ovcharova
- Federal Research Centre “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow 119071, Russia
| | - MV Sukhacheva
- Federal Research Centre “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow 119071, Russia
| | - NE Makarova
- Skolkovo Institute of Science and Technology, Moscow 121205, Russia
| | - SV Mart'yanov
- Federal Research Centre “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow 119071, Russia
| | - NA Loginova
- Federal Research Centre “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow 119071, Russia
| | - AM Mosolova
- Federal Research Centre “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow 119071, Russia
- Russian Biotechnological University, Moscow 125080, Russia
| | - EV Diuvenji
- Federal Research Centre “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow 119071, Russia
| | - ED Nevolina
- Federal Research Centre “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow 119071, Russia
| | - VK Plakunov
- Federal Research Centre “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow 119071, Russia
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Ionescu MA, Tatu AL, Busila C, Axente ER, Badalato N, Feuilloley MGJ, Asquier E, Martínez JD, Lefeuvre L. Microbiome Modulation in Acne Patients and Clinical Correlations. Life (Basel) 2024; 14:688. [PMID: 38929671 PMCID: PMC11204784 DOI: 10.3390/life14060688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 05/17/2024] [Accepted: 05/23/2024] [Indexed: 06/28/2024] Open
Abstract
BACKGROUND The imbalance of skin microbiota in acne can induce changes leading to induction or to aggravation of chronic inflammatory lesions; complex mechanisms are involved. Cutibacterium acnes (C. acnes) ribotypes RT4 and RT5 express more biofilm and are associated with inflammatory acne lesions. C. acnes RT6 is a non-acne ribotype, beneficial for the skin. OBJECTIVES In an open clinical trial, acne adults were included and assessed clinically at baseline and at month 2 using the Investigator Global Assessment of Acne (IGA) score. A topical emulsion was applied twice daily for 2 months (M2) in each included patient. In the same series of acne patients, skin swab samples were collected from acne patients at baseline and M2 from lesional and non-lesional skin; skin swabs were collected for the metagenomic long-read analysis of microbiota. MATERIALS AND METHODS Acne patients with a gravity score IGA of >1<3 were included in this pilot study. An emulsion of O/W formulated with vegetal extract of Umbelliferae associated with a polysaccharide at 1% was applied twice daily for 2 months. At baseline and M2 clinical assessments were made; skin swab samples were also taken for microbiota analysis from lesional and non-lesional skin in each included patient. Extractions of genomic DNA (gDNA) from swab samples from baseline and from M2 were made, followed by full-length (V1-V9) amplification of the 16S rDNA and sequencing of amplicon libraries for strain-level bacterial community profiling. RESULTS In a series of 32 adult acne patients, the mean initial IGA scale was 3.1; at M2 the IGA scale was 1.5 (p < 0.001). The mean decrease in acne lesions was by 63%. Microbiome metagenomic long-read analysis in these series was mainly dominated by C. acnes followed by Staphylococcus epidermidis (S. epidermidis). The density of C. acnes ribotypes RT6 (non-acne strain) was increased at M2 compared to baseline and the density of ribotypes C. acnes RT1 to RT5 was decreased at M2, compared to baseline (p < 0.0001). S. epidermidis ribotypes (1 to 36) were non significantly increased at M2, compared to baseline (p < 0.1). CONCLUSIONS In a series of 32 acne patients that applied an emulsion based on vegetal extract of Umbelliferae and a polysaccharide at 1% twice daily, a significant clinical improvement in IGA scale for acne lesions was seen at M2, compared to baseline (p < 0.0001). The clinical improvement was correlated with an improvement in skin microbiome at M2 compared to baseline, indicated by the increase in the relative abundance of non-acne strain of C. acnes ribotype 6 and of the decrease in the relative abundance of acne strains ribotypes C. acnes RT1 to RT5.
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Affiliation(s)
- Marius-Anton Ionescu
- Dermatology Department, University Hospital “Saint Louis”, University of Paris, 75010 Paris, France;
| | - Alin Laurentiu Tatu
- Clinical Medical Department, Faculty of Medicine and Pharmacy, “Dunarea de Jos” University, 800008 Galati, Romania
- “Sfanta Cuvioasa Parascheva” Hospital of Infectious Diseases, 800179 Galati, Romania
- Multidisciplinary Integrated Center of Dermatological Interface Research MIC-DIR (Centrul Integrat Multidisciplinar de Cercetare de Interfata Dermatologica—CIM-CID), “Dunărea de Jos” University, 800201 Galati, Romania
| | - Camelia Busila
- Clinical Medical Department, Faculty of Medicine and Pharmacy, “Dunarea de Jos” University, 800008 Galati, Romania
- “Sf. Ioan” Emergency Clinical Paediatric Hospital, 800487 Galati, Romania
| | - Elena Roxana Axente
- Faculty of Medicine and Pharmacy, “Dunarea de Jos” University, 35 AI I Cuza St., 800010 Galati, Romania;
| | | | | | - Estelle Asquier
- Laboratoires Dermatologiques d’Uriage, 92200 Neuilly sur-Seine, France; (E.A.); (L.L.)
| | - José Dario Martínez
- Department of Internal Medicine, Faculty of Medicine, Hospital Universitario José Eleuterio González, Universidad Autónoma de Nuevo León, Monterrey 64460, Mexico;
| | - Luc Lefeuvre
- Laboratoires Dermatologiques d’Uriage, 92200 Neuilly sur-Seine, France; (E.A.); (L.L.)
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3
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Beurel E. Stress in the microbiome-immune crosstalk. Gut Microbes 2024; 16:2327409. [PMID: 38488630 PMCID: PMC10950285 DOI: 10.1080/19490976.2024.2327409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 03/04/2024] [Indexed: 03/19/2024] Open
Abstract
The gut microbiota exerts a mutualistic interaction with the host in a fragile ecosystem and the host intestinal, neural, and immune cells. Perturbations of the gastrointestinal track composition after stress have profound consequences on the central nervous system and the immune system. Reciprocally, brain signals after stress affect the gut microbiota highlighting the bidirectional communication between the brain and the gut. Here, we focus on the potential role of inflammation in mediating stress-induced gut-brain changes and discuss the impact of several immune cells and inflammatory molecules of the gut-brain dialogue after stress. Understanding the impact of microbial changes on the immune system after stress might provide new avenues for therapy.
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Affiliation(s)
- Eléonore Beurel
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL, USA
- Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
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Niu L, Gao M, Wen S, Wang F, Shangguan H, Guo Z, Zhang R, Ge J. Effects of Catecholamine Stress Hormones Norepinephrine and Epinephrine on Growth, Antimicrobial Susceptibility, Biofilm Formation, and Gene Expressions of Enterotoxigenic Escherichia coli. Int J Mol Sci 2023; 24:15646. [PMID: 37958634 PMCID: PMC10649963 DOI: 10.3390/ijms242115646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/04/2023] [Accepted: 10/07/2023] [Indexed: 11/15/2023] Open
Abstract
Enterotoxigenic Escherichia coli (ETEC) is a significant contributor to diarrhea. To determine whether ETEC-catecholamine hormone interactions contribute to the development of diarrhea, we tested the effects of catecholamine hormones acting on ETEC in vitro. The results showed that in the presence of norepinephrine (NE) and epinephrine (Epi), the growth of 9 out of 10 ETEC isolates was promoted, the MICs of more than 60% of the isolates to 6 antibiotics significantly increased, and the biofilm formation ability of 10 ETEC isolates was also promoted. In addition, NE and Epi also significantly upregulated the expression of the virulence genes feaG, estA, estB, and elt. Transcriptome analysis revealed that the expression of 290 genes was affected by NE. These data demonstrated that catecholamine hormones may augment the diarrhea caused by ETEC.
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Affiliation(s)
- Lingdi Niu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Mingchun Gao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
- Heilongjiang Provincial Key Laboratory of Zoonosis, Harbin 150030, China
| | - Shanshan Wen
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Fang Wang
- State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Harbin 150069, China
| | - Haikun Shangguan
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Zhiyuan Guo
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Runxiang Zhang
- College of Animal Science and Technology, Northeast Agricultural University, Harbin 150030, China
| | - Junwei Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
- Heilongjiang Provincial Key Laboratory of Zoonosis, Harbin 150030, China
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5
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Gannesen AV, Ziganshin RH, Ovcharova MA, Nevolina ED, Klimko AI, Martyanov SV, Plakunov VK. Epinephrine Affects Ribosomes, Cell Division, and Catabolic Processes in Micrococcus luteus Skin Strain C01: Revelation of the Conditionally Extensive Hormone Effect Using Orbitrap Mass Spectrometry and Proteomic Analysis. Microorganisms 2023; 11:2181. [PMID: 37764026 PMCID: PMC10535722 DOI: 10.3390/microorganisms11092181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 08/15/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open
Abstract
In the current study, extensive Orbitrap mass spectrometry analysis was conducted for skin strain Micrococcus luteus C01 planktonic cultures and biofilms after 24 h and 72 h of incubation either in the presence of epinephrine or without any implementations. The investigation revealed the complex and conditionally extensive effect of epinephrine at concentrations closer to normal blood plasma concentrations on both planktonic cultures and biofilms of skin strain M. luteus C01. The concentrations of hundreds of proteins changed during the shift from planktonic growth mode to biofilm and hundreds of proteins were downregulated or upregulated in the presence of epinephrine. Ribosomal, TCA, and cell division proteins appear to be the most altered in their amounts in the presence of the hormone. Potentially, the regulatory mechanism of this process is connected with c-di-GMP and histidine kinases, which were affected by epinephrine in different samples. The phenomenon of epinephrine-based biofilm regulation in M. luteus C01 has wide implications for microbial endocrinology and other research areas.
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Affiliation(s)
- Andrei V. Gannesen
- Federal Research Center “Fundamentals of Biotechnology”, Russian Academy of Sciences, 119071 Moscow, Russia; (M.A.O.); (E.D.N.); (A.I.K.); (S.V.M.); (V.K.P.)
| | - Rustam H. Ziganshin
- Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia;
| | - Maria A. Ovcharova
- Federal Research Center “Fundamentals of Biotechnology”, Russian Academy of Sciences, 119071 Moscow, Russia; (M.A.O.); (E.D.N.); (A.I.K.); (S.V.M.); (V.K.P.)
| | - Ekaterina D. Nevolina
- Federal Research Center “Fundamentals of Biotechnology”, Russian Academy of Sciences, 119071 Moscow, Russia; (M.A.O.); (E.D.N.); (A.I.K.); (S.V.M.); (V.K.P.)
| | - Alena I. Klimko
- Federal Research Center “Fundamentals of Biotechnology”, Russian Academy of Sciences, 119071 Moscow, Russia; (M.A.O.); (E.D.N.); (A.I.K.); (S.V.M.); (V.K.P.)
| | - Sergey V. Martyanov
- Federal Research Center “Fundamentals of Biotechnology”, Russian Academy of Sciences, 119071 Moscow, Russia; (M.A.O.); (E.D.N.); (A.I.K.); (S.V.M.); (V.K.P.)
| | - Vladimir K. Plakunov
- Federal Research Center “Fundamentals of Biotechnology”, Russian Academy of Sciences, 119071 Moscow, Russia; (M.A.O.); (E.D.N.); (A.I.K.); (S.V.M.); (V.K.P.)
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Leignadier J, Drago M, Lesouhaitier O, Barreau M, Dashi A, Worsley O, Attia-Vigneau J. Lysine-Dendrimer, a New Non-Aggressive Solution to Rebalance the Microbiota of Acne-Prone Skin. Pharmaceutics 2023; 15:2083. [PMID: 37631297 PMCID: PMC10459463 DOI: 10.3390/pharmaceutics15082083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 07/18/2023] [Accepted: 08/01/2023] [Indexed: 08/27/2023] Open
Abstract
Acne is a chronic inflammatory skin disease that affects the quality of life of patients. Several treatments exist for acne, but their effectiveness tends to decrease over time due to increasing resistance to treatment and associated side effects. To circumvent these issues, a new approach has emerged that involves combating the pathogen Cutibacterium acnes while maintaining the homeostasis of the skin microbiome. Recently, it was shown that the use of a G2 lysine dendrigraft (G2 dendrimer) could specifically decrease the C. acnes phylotype (IAI) involved in acne, compared to non-acne-causing C. acnes (phylotype II) bacteria. In the present study, we demonstrate that the efficacy of this technology is related to its 3D structure, which, in contrast to the linear form, significantly decreases the inflammation factor (IL-8) linked to acne. In addition, our in-vitro data confirm the specific activity of the G2 dendrimer: after treatment of bacterial cultures and biofilms, the G2 dendrimer affected neither non-acneic C. acnes nor commensal bacteria of the skin (Staphylococcus epidermidis, S. hominis, and Corynebacterium minutissimum). In parallel, comparative in-vitro and in-vivo studies with traditional over-the-counter molecules showed G2's effects on the survival of commensal bacteria and the reduction of acne outbreaks. Finally, metagenomic analysis of the cutaneous microbiota of volunteers who applied a finished cosmetic product containing the G2 dendrimer confirmed the ability of G2 to rebalance cutaneous acne microbiota dysbiosis while maintaining commensal bacteria. These results confirm the value of using this G2 dendrimer to gently prevent the appearance of acne vulgaris while respecting the cutaneous microbiota.
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Affiliation(s)
- Julie Leignadier
- Lucas Meyer Cosmetics, 195 Route d’Espagne, 31036 Toulouse, France;
| | - Marie Drago
- Shiseido EMEA, 56A Rue du Faubourg St Honoré, 75008 Paris, France;
| | - Olivier Lesouhaitier
- Research Unit Bacterial Communication and Anti-Infectious Strategies (CBSA, UR4312), University of Rouen Normandie, 27000 Evreux, France; (O.L.); (M.B.)
| | - Magalie Barreau
- Research Unit Bacterial Communication and Anti-Infectious Strategies (CBSA, UR4312), University of Rouen Normandie, 27000 Evreux, France; (O.L.); (M.B.)
| | - Albert Dashi
- Sequential Skin Ltd., 85 Great Portland Street, London W1W 7LT, UK; (A.D.); (O.W.)
| | - Oliver Worsley
- Sequential Skin Ltd., 85 Great Portland Street, London W1W 7LT, UK; (A.D.); (O.W.)
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7
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Luqman A. The orchestra of human bacteriome by hormones. Microb Pathog 2023; 180:106125. [PMID: 37119938 DOI: 10.1016/j.micpath.2023.106125] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/07/2023] [Accepted: 04/24/2023] [Indexed: 05/01/2023]
Abstract
Human microbiome interact reciprocally with the host. Recent findings showed the capability of microorganisms to response towards host signaling molecules, such as hormones. Studies confirmed the complex response of bacteria in response to hormones exposure. These hormones impact many aspects on bacteria, such as the growth, metabolism, and virulence. The effects of each hormone seem to be species-specific. The most studied hormones are cathecolamines also known as stress hormones that consists of epinephrine, norepinephrine and dopamine. These hormones affect the growth of bacteria either inhibit or enhance by acting like a siderophore. Epinephrine and norepinephrine have also been reported to activate QseBC, a quorum sensing in Gram-negative bacteria and eventually enhances the virulence of pathogens. Other hormones were also reported to play a role in shaping human microbiome composition and affect their behavior. Considering the complex response of bacteria on hormones, it highlights the necessity to take the impact of hormones on bacteria into account in studying human health in relation to human microbiome.
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Affiliation(s)
- Arif Luqman
- Biology Department, Institut Teknologi Sepuluh Nopember, Surabaya, Indonesia.
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8
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Gannesen AV, Ziganshin RH, Zdorovenko EL, Klimko AI, Ianutsevich EA, Danilova OA, Tereshina VM, Gorbachevskii MV, Ovcharova MA, Nevolina ED, Martyanov SV, Shashkov AS, Dmitrenok AS, Novikov AA, Zhurina MV, Botchkova EA, Toukach PV, Plakunov VK. Epinephrine extensively changes the biofilm matrix composition in Micrococcus luteus C01 isolated from human skin. Front Microbiol 2022; 13:1003942. [PMID: 36204611 PMCID: PMC9530943 DOI: 10.3389/fmicb.2022.1003942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 08/22/2022] [Indexed: 12/04/2022] Open
Abstract
The importance of the impact of human hormones on commensal microbiota and microbial biofilms is established in lots of studies. In the present investigation, we continued and extended the research of epinephrine effects on the skin commensal Micrococcus luteus C01 and its biofilms, and also the matrix changes during the biofilm growth. Epinephrine in concentration 4.9 × 10-9 M which is close to normal blood plasma level increased the amount of polysaccharides and extracellular DNA in the matrix, changed extensively its protein, lipid and polysaccharide composition. The Ef-Tu factor was one of the most abundant proteins in the matrix and its amount increased in the presence of the hormone. One of the glucose-mannose polysaccharide was absent in the matrix in presence of epinephrine after 24 h of incubation. The matrix phospholipids were also eradicated by the addition of the hormone. Hence, epinephrine has a great impact on the M. luteus biofilms and their matrix composition, and this fact opens wide perspectives for the future research.
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Affiliation(s)
- Andrei V. Gannesen
- Winogradsky Institute of Microbiology, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow, Russia
| | - Rustam H. Ziganshin
- Shemyakin and Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Evelina L. Zdorovenko
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Alena I. Klimko
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - Elena A. Ianutsevich
- Winogradsky Institute of Microbiology, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow, Russia
| | - Olga A. Danilova
- Winogradsky Institute of Microbiology, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow, Russia
| | - Vera M. Tereshina
- Winogradsky Institute of Microbiology, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow, Russia
| | | | - Maria A. Ovcharova
- Winogradsky Institute of Microbiology, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow, Russia
| | - Ekaterina D. Nevolina
- Winogradsky Institute of Microbiology, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow, Russia
| | - Sergey V. Martyanov
- Winogradsky Institute of Microbiology, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow, Russia
| | - Alexander S. Shashkov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Andrey S. Dmitrenok
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Andrei A. Novikov
- Faculty of Chemical and Environmental Engineering, Gubkin University, Moscow, Russia
| | - Marina V. Zhurina
- Winogradsky Institute of Microbiology, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow, Russia
| | - Ekaterina A. Botchkova
- Winogradsky Institute of Microbiology, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow, Russia
- Faculty of Chemical and Environmental Engineering, Gubkin University, Moscow, Russia
| | - Philipp V. Toukach
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Vladimir K. Plakunov
- Winogradsky Institute of Microbiology, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, Moscow, Russia
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9
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The increasing importance of the gut microbiome in acne vulgaris. Folia Microbiol (Praha) 2022; 67:825-835. [PMID: 35711021 DOI: 10.1007/s12223-022-00982-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 05/26/2022] [Indexed: 11/04/2022]
Abstract
Acne is a frequently presented dermatological condition brought about by an interplay among inflammation, increased sebum production, hyperkeratinisation, and predominantly Propionibacterium acnes (renamed as Cutibacterium acnes) proliferation, leading to debilitating psychological scars. However, it has been shown that it is the loss of microbial diversity in the skin and the imbalance among C. acnes phylotypes that brings about acne rather than the C. acnes species as a whole. Interestingly, recent evidence suggests that other microorganisms may be implicated, such as the fungi Malassezia and the bacteria Cutibacterium granulosum. A plethora of scientific evidence suggests that the gut microbiome is implicated in the overall health and physiology of the host; studies show that the gut microbiome of acne patients is distinct and depicts less microbial diversity compared to individuals without acne. Herein, using the key terms: acne, C. acnes, IGF-1, sebum, and gut microbiome, we carried out a review of the literature, using Google Scholar and PubMed, and discussed the role of the gut and skin microbiome in relation to acne, as a narrative review. The role of hormones, diet, sebum, and stress in relation to the gut microbiome was also investigated. Therapeutic implications and the use of pre-/postbiotics are also deliberated upon. In this light, future research should investigate the relationship between the gut microbiome and the agreed upon factors of acne pathology, potentially leading to the discovery of novel acne treatments with milder side effects.
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Cotton and Flax Textiles Leachables Impact Differently Cutaneous Staphylococcus aureus and Staphylococcus epidermidis Biofilm Formation and Cytotoxicity. Life (Basel) 2022; 12:life12040535. [PMID: 35455029 PMCID: PMC9032481 DOI: 10.3390/life12040535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 03/31/2022] [Accepted: 04/03/2022] [Indexed: 11/17/2022] Open
Abstract
Bacteria can bind on clothes, but the impacts of textiles leachables on cutaneous bacteria remain unknown. Here, we studied for the first time the effects of cotton and flax obtained through classical and soft ecological agriculture on the representatives S. aureus and S. epidermidis bacteria of the cutaneous microbiota. Crude flax showed an inhibitory potential on S. epidermidis bacterial lawns whereas cotton had no effect. Textile fiber leachables were produced in bacterial culture media, and these extracts were tested on S. aureus and S. epidermidis. Bacterial growth was not impacted, but investigation by the crystal violet technique and confocal microscopy showed that all extracts affected biofilm formation by the two staphylococci species. An influence of cotton and flax culture conditions was clearly observed. Flax extracts had strong inhibitory impacts and induced the formation of mushroom-like defense structures by S. aureus. Conversely, production of biosurfactant by bacteria and their surface properties were not modified. Resistance to antibiotics also remained unchanged. All textile extracts, and particularly soft organic flax, showed strong inhibitory effects on S. aureus and S. epidermidis cytotoxicity on HaCaT keratinocytes. Analysis of flax leachables showed the presence of benzyl alcohol that could partly explain the effects of flax extracts.
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11
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Microbiome and Probiotics in Acne Vulgaris—A Narrative Review. Life (Basel) 2022; 12:life12030422. [PMID: 35330173 PMCID: PMC8953587 DOI: 10.3390/life12030422] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 03/08/2022] [Accepted: 03/14/2022] [Indexed: 12/14/2022] Open
Abstract
Acne vulgaris is a chronic disease characterised by the appearance of eruptions such as whiteheads, blackheads, pustules, papules, and cysts. Among factors that cause acne vulgaris are the abnormal keratinisation of the sebaceous canal, bacterial colonisation (Cutibacterium acnes), increased sebum production, genotypic factors, and hormonal disorders. Treatment is often long and tedious, and can lead to a reduction in quality of life and social isolation. The intestinal microbiota is greatly important in the formation of acne lesions. It is also responsible for the proper immunity of the organism. Acne is a disease that can be related to the condition of the digestive tract and its microbiome. Research shows that the use of probiotics may reduce skin eruptions. The probiotic supplementation and cosmetics markets are very dynamically developing. The use of internal supplementation and probiotic-containing cosmetics gives hope for the improvement of the skin condition of people with acne.
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12
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Attia J, Barreau M, Toquin EL, Feuilloley MGJ, Loing E, Lesouhaitier O. A Polylysine dendrigraft is able to differentially impact Cutibacterium acnes strains preventing acneic skin. Exp Dermatol 2022; 31:1056-1064. [PMID: 35231149 DOI: 10.1111/exd.14554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 02/14/2022] [Accepted: 02/25/2022] [Indexed: 11/30/2022]
Abstract
With a view to reducing the impact of Cutibacterium acnes on acne vulgaris, it now appears interesting to modify the balance between acneic and non-acneic strains of C. acnes using moderate approach. In the present study, we identified that a G2 dendrigraft of lysine dendrimer (G2 dendrimer) was able to modify membrane fluidity and biofilm formation of a C. acnes acneic strain (RT5), whereas it appeared no or less active on a C. acnes non-acneic strain (RT6). Moreover, skin ex vivo data indicated that the G2 is able to decrease inflammation (IL1α and TLR2) and improve skin desquamation after of C. acnes acneic strains colonization. Then, in vivo data confirmed, after C. acnes quantification by metagenomic analysis, that the G2 cream after 28 days of treatment was able to increase the diversity of C. acnes strains versus placebo cream. Data showed also a modification of the balance expression between C. acnes phylotype IA1 and phylotype II abundances. Taken together, the results confirm the interest of using soft compounds in cosmetic product for modifying phylotype abundances as well as diversity of C. acnes strains could be a new strategy for prevent acne vulgaris outbreak.
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Affiliation(s)
- Joan Attia
- Lucas Meyer Cosmetics, 195 route d'Espagne, 31036, Toulouse
| | - Magalie Barreau
- Laboratoire de Microbiologie Signaux et Microenvironnement, LMSM EA4312, Normandie Université, Université de Rouen Normandie, Evreux, France
| | | | - Marc G J Feuilloley
- Laboratoire de Microbiologie Signaux et Microenvironnement, LMSM EA4312, Normandie Université, Université de Rouen Normandie, Evreux, France
| | - Estelle Loing
- Lucas Meyer Cosmetics, 195 route d'Espagne, 31036, Toulouse
| | - Olivier Lesouhaitier
- Laboratoire de Microbiologie Signaux et Microenvironnement, LMSM EA4312, Normandie Université, Université de Rouen Normandie, Evreux, France.,GIP Normandie Sécurité Sanitaire (N2S), Evreux, France
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13
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Xerfan EMS, Facina AS, Tomimori J, Tufik S, Andersen ML. Sleep lines on the skin: an overview of possible causes beyond a purely mechanical etiology. Int J Dermatol 2022; 61:760-762. [PMID: 35141884 DOI: 10.1111/ijd.16072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 11/26/2021] [Accepted: 12/30/2021] [Indexed: 11/29/2022]
Affiliation(s)
- Ellen M S Xerfan
- Programa de Pós-Graduação em Medicina Translacional, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Anamaria S Facina
- Departamento de Dermatologia, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Jane Tomimori
- Programa de Pós-Graduação em Medicina Translacional, Departamento de Medicina, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil.,Departamento de Dermatologia, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Sergio Tufik
- Departamento de Psicobiologia, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
| | - Monica L Andersen
- Departamento de Psicobiologia, Escola Paulista de Medicina, Universidade Federal de São Paulo (UNIFESP), São Paulo, Brazil
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14
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Rho NK, Gil YC. Botulinum Neurotoxin Type A in the Treatment of Facial Seborrhea and Acne: Evidence and a Proposed Mechanism. Toxins (Basel) 2021; 13:817. [PMID: 34822601 PMCID: PMC8626011 DOI: 10.3390/toxins13110817] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Revised: 11/15/2021] [Accepted: 11/17/2021] [Indexed: 11/16/2022] Open
Abstract
Intradermal injection of botulinum neurotoxin is a frequently performed procedure in aesthetic dermatology to improve facial skin tone, texture, fine wrinkles, and enlarged pores. In practice, botulinum neurotoxin type A is also used to reduce skin oiliness of the face. There is increasing evidence that acetylcholine plays specific roles in sebum production, suggesting that botulinum neurotoxin type A may reduce sebum production by interfering with cholinergic transmission between sebaceous glands and autonomic nerve terminals. Botulinum neurotoxins can also inhibit several pathogenetic components of acne development, suggesting that botulinum neurotoxins can be used as a safe and effective treatment modality for acne and other skin disorders related to overactivity of sebaceous glands. This review aims to explore the current evidence behind the treatment of facial seborrhea and acne with botulinum neurotoxin type A.
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Affiliation(s)
- Nark-Kyoung Rho
- Department of Dermatology, Sungkyunkwan University School of Medicine, Seoul 06355, Korea;
- Leaders Aesthetic Laser & Cosmetic Surgery Center, Seoul 06014, Korea
| | - Young-Chun Gil
- Department of Anatomy, Chungbuk National University School of Medicine, Cheongju 28644, Korea
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15
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Gannesen A, Schelkunov M, Geras'kina O, Makarova N, Sukhacheva M, Danilova N, Ovcharova M, Mart'yanov S, Pankratov T, Muzychenko D, Zhurina M, Feofanov A, Botchkova E, Plakunov V. Epinephrine affects gene expression levels and has a complex effect on biofilm formation in M icrococcus luteus strain C01 isolated from human skin. Biofilm 2021; 3:100058. [PMID: 34729469 PMCID: PMC8543384 DOI: 10.1016/j.bioflm.2021.100058] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 10/05/2021] [Accepted: 10/08/2021] [Indexed: 11/19/2022] Open
Abstract
In this study, the effect of epinephrine on the biofilm formation of Micrococcus luteus C01 isolated from human skin was investigated in depth for the first time. This hormone has a complex effect on biofilms in various systems. In a system with polytetrafluoroethylene (PTFE) cubes, treatment with epinephrine at a physiological concentration of 4.9 × 10-9 M increased the total amount of 72-h biofilm biomass stained with crystal violet and increased the metabolic activity of biofilms, but at higher and lower concentrations, the treatment had no significant effect. On glass fiber filters, treatment with the hormone decreased the number of colony forming units (CFUs) and changed the aggregation but did not affect the metabolic activity of biofilm cells. In glass bottom plates examined by confocal microscopy, epinephrine notably inhibited the growth of biofilms. RNA-seq analysis and RT-PCR demonstrated reproducible upregulation of genes encoding Fe-S cluster assembly factors and cyanide detoxification sulfurtransferase, whereas genes encoding the co-chaperone GroES, the LysE superfamily of lysine exporters, short-chain alcohol dehydrogenase and the potential c-di-GMP phosphotransferase were downregulated. Our results suggest that epinephrine may stimulate matrix synthesis in M. luteus biofilms, thereby increasing the activity of NAD(H) oxidoreductases. Potential c-di-GMP pathway proteins are essential in these processes.
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Affiliation(s)
- A.V. Gannesen
- Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences, Moscow, Russia
- Corresponding author.
| | - M.I. Schelkunov
- Skolkovo Institute of Science and Technology, Moscow, Russia
- Institute for Information Transmission Problems, Moscow, Russia
| | - O.V. Geras'kina
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
| | - N.E. Makarova
- Skolkovo Institute of Science and Technology, Moscow, Russia
| | - M.V. Sukhacheva
- Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences, Moscow, Russia
| | - N.D. Danilova
- Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences, Moscow, Russia
| | - M.A. Ovcharova
- Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences, Moscow, Russia
| | - S.V. Mart'yanov
- Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences, Moscow, Russia
| | - T.A. Pankratov
- Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences, Moscow, Russia
| | - D.S. Muzychenko
- Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences, Moscow, Russia
| | - M.V. Zhurina
- Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences, Moscow, Russia
| | - A.V. Feofanov
- Faculty of Biology, Lomonosov Moscow State University, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - E.A. Botchkova
- Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences, Moscow, Russia
| | - V.K. Plakunov
- Federal Research Center “Fundamentals of Biotechnology” of the Russian Academy of Sciences, Moscow, Russia
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16
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Boukerb AM, Cambronel M, Rodrigues S, Mesguida O, Knowlton R, Feuilloley MGJ, Zommiti M, Connil N. Inter-Kingdom Signaling of Stress Hormones: Sensing, Transport and Modulation of Bacterial Physiology. Front Microbiol 2021; 12:690942. [PMID: 34690943 PMCID: PMC8526972 DOI: 10.3389/fmicb.2021.690942] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 08/06/2021] [Indexed: 12/29/2022] Open
Abstract
Prokaryotes and eukaryotes have coexisted for millions of years. The hormonal communication between microorganisms and their hosts, dubbed inter-kingdom signaling, is a recent field of research. Eukaryotic signals such as hormones, neurotransmitters or immune system molecules have been shown to modulate bacterial physiology. Among them, catecholamines hormones epinephrine/norepinephrine, released during stress and physical effort, or used therapeutically as inotropes have been described to affect bacterial behaviors (i.e., motility, biofilm formation, virulence) of various Gram-negative bacteria (e.g., Escherichia coli, Salmonella enterica serovar Typhimurium, Pseudomonas aeruginosa, Vibrio sp.). More recently, these molecules were also shown to influence the physiology of some Gram-positive bacteria like Enterococcus faecalis. In E. coli and S. enterica, the stress-associated mammalian hormones epinephrine and norepinephrine trigger a signaling cascade by interacting with the QseC histidine sensor kinase protein. No catecholamine sensors have been well described yet in other bacteria. This review aims to provide an up to date report on catecholamine sensors in eukaryotes and prokaryotes, their transport, and known effects on bacteria.
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Affiliation(s)
- Amine Mohamed Boukerb
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Melyssa Cambronel
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Sophie Rodrigues
- EA 3884, LBCM, IUEM, Université de Bretagne-Sud, Lorient, France
| | - Ouiza Mesguida
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Rikki Knowlton
- MRC Laboratory of Molecular Biology, Cambridge, United Kingdom
| | - Marc G J Feuilloley
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Mohamed Zommiti
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Nathalie Connil
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
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17
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Murlistyarini S, Nugroho ARL, Sari DT, Mandasari S. Precipitating Factors of Acne Vulgaris at Dr. Saiful Anwar Hospital Malang. JURNAL BERKALA EPIDEMIOLOGI 2021. [DOI: 10.20473/jbe.v9i32021.257-265] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Background: Acne vulgaris (AV) is an inflammatory disease of the pilosebaceous unit, which often causes stress and disrupts quality of life. Correctly identifying precipitating factors and preventing disease development will holistically increase the effectiveness of acne therapy, enabling better therapeutic outcomes to be achieved. Purpose: The objective of this study is to identify the clinical profile and precipitating factors of AV patients who visited Dr. Saiful Anwar Hospital between 2015 until 2017. Methods: This was a descriptive study, using a retrospective case study approach. The sample data was collected from medical records of AV patients from the period of 2015–2017 who met the following inclusion criteria: new AV cases with a complete medical record including gender, age, and precipitating factors. The dependent variable of this study was new AV patients, while the independent variables were the patient clinical profile and precipitating factors. Results: This study included 930 samples, with the number of female patients significantly higher (75.48%) than the number of males. The highest AV prevalence was found in the 15–24 years age group. The most common precipitating factors in females were hormonal issues, stress, and cosmetics; in males, these were stress, genetics, and dietary factors. Conclusion: The incidence of AV at Dr. Saiful Anwar Hospital mostly occurs in the 15–24 years age group, with varying trigger factors. The most frequent AV trigger factor in female patients was hormonal issues; in males, this was stress.
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18
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Danilova ND, Geraskina OV, Diuvenji EV, Feofanov AV, Plakunov VK, Gannesen AV. Inhibitory Effect of Norepinephrine on Biofilm Growth of the Human Skin Commensal Kytococcus schroeteri H01. Microbiology (Reading) 2021. [DOI: 10.1134/s0026261721050039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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19
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Chanyachailert P, Chularojanamontri L, Chantrapanichkul P, Tuchinda P, Wongwananuruk T, Sardod P, Kulthanan K. Adult female acne: Clinical characteristics and factors significantly associated with polycystic ovary syndrome. Australas J Dermatol 2021; 62:e532-e538. [PMID: 34423850 DOI: 10.1111/ajd.13700] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/16/2021] [Accepted: 08/09/2021] [Indexed: 12/16/2022]
Abstract
BACKGROUND Adult female acne (AFA) may be different from adolescent acne, and may be a sign of polycystic ovary syndrome (PCOS). The objective of the study was to investigate the clinical characteristics of AFA, and the factors significantly associated with PCOS in AFA. METHODS AFA patients aged 25 years or older were enrolled. History taking and dermatologic examinations were performed by dermatologists. PCOS was diagnosed by gynaecologists. Perimenopausal acne (aged 45 years or older) and the Dermatology Life Quality Index (DLQI) were also evaluated. RESULTS Among 208 patients, mean age was 31.8 ± 7.1 years and 47.1%, 26.9%, and 26% had persistent, late-onset, and recurrent acne, respectively. The common aggravating factors included pre-menstruation (72.6%) and stress (53.8%). Recurrent acne was significantly aggravated by cosmetic products. Higher body mass index (BMI) was positively correlated with acne severity. Acne lesions were predominately located on both cheeks (87.0%) and at the perioral area (81.7%). PCOS was identified in 48.1%. Younger age (≥25 to <33 years), premenstrual flare, and irregular menstruation, but not hirsutism or androgenetic alopecia, were associated with PCOS in univariate and multivariate analysis. Perimenopausal acne was identified in 6.7%. The total mean DLQI score was 8.0 ± 5.4 (range from 0 to 23). CONCLUSIONS Persistent acne with moderate severity was common in AFA patients and higher BMI was associated with acne severity. PCOS should be screened in AFA patients with younger age, premenstrual flare, and irregular menstruation.
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Affiliation(s)
- Pattriya Chanyachailert
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Leena Chularojanamontri
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Panicha Chantrapanichkul
- Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Papapit Tuchinda
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Thanyarat Wongwananuruk
- Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Phatcharee Sardod
- Department of Obstetrics and Gynecology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Kanokvalai Kulthanan
- Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
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20
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Passeron T, Zouboulis CC, Tan J, Andersen ML, Katta R, Lyu X, Aguilar L, Kerob D, Morita A, Krutmann J, Peters EMJ. Adult skin acute stress responses to short-term environmental and internal aggression from exposome factors. J Eur Acad Dermatol Venereol 2021; 35:1963-1975. [PMID: 34077579 PMCID: PMC8519049 DOI: 10.1111/jdv.17432] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 04/30/2021] [Accepted: 05/18/2021] [Indexed: 12/02/2022]
Abstract
Exposome factors that lead to stressed skin can be defined as any disturbance to homeostasis from environmental (meteorological factors, solar radiation, pollution or tobacco smoke) and/or internal exposure (unhealthy diet, hormonal variations, lack of sleep, psychosocial stress). The clinical and biological impact of chronic exposome effects on skin functions has been extensively reviewed, whereas there is a paucity of information on the impact of short‐term acute exposure. Acute stress, which would typically last minutes to hours (and generally no more than a week), provokes a transient but robust neuroendocrine‐immune and tissue remodelling response in the skin and can alter the skin barrier. Firstly, we provide an overview of the biological effects of various acute stressors on six key skin functions, namely the skin physical barrier, pigmentation, defences (antioxidant, immune cell‐mediated, microbial and microbiome maintenance), structure (extracellular matrix and appendages), neuroendocrine and thermoregulation functions. Secondly, we describe the biological and clinical effects on adult skin from individual exposome factors that elicit an acute stress response and their consequences in skin health maintenance. Clinical manifestations of acutely stressed skin may include dry skin that might accentuate fine lines, oily skin, sensitive skin, pruritus, erythema, pale skin, sweating, oedema and flares of inflammatory skin conditions such as acne, rosacea, atopic dermatitis, pigmentation disorders and skin superinfection such as viral reactivation. Acute stresses can also induce scalp sensitivity, telogen effluvium and worsen alopecia.
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Affiliation(s)
- T Passeron
- Department of Dermatology, University Hospital Centre Nice, Côte d'Azur University, Nice, France.,INSERM U1065, team 12, C3M, Nice, France
| | - C C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Dessau, Germany
| | - J Tan
- Windsor Clinical Research Inc., Windsor, ON, Canada.,Department of Medicine, University of Western Ontario, London, Canada
| | - M L Andersen
- Department of Psychobiology, Universidade Federal de São Paulo (UNIFESP)/Escola Paulista de Medicina, São Paulo, Brazil
| | - R Katta
- Volunteer Clinical Faculty, Baylor College of Medicine, Houston, Texas, USA.,McGovern Medical School at UT Health, Houston, Texas, USA
| | - X Lyu
- Department of Dermatology, Anzhen Hospital, Capital Medical University, Beijing, China
| | - L Aguilar
- L'Oréal Advanced Research, Aulnay-sous-bois, France
| | - D Kerob
- Laboratoires Vichy, Levallois Perret, France
| | - A Morita
- Department of Geriatric and Environmental Dermatology, Nagoya City University Graduate School of Medical Sciences, Nagoya, Japan
| | - J Krutmann
- IUF Leibniz Research Institute for Environmental Medicine, Dusseldorf, Germany.,Medical faculty, Heinrich-Heine-University, Dusseldorf, Germany
| | - E M J Peters
- Department of Psychosomatic Medicine and Psychotherapy, Justus-Liebig University, Gießen, Germany.,Charité Center 12 (CC12) for Internal Medicine and Dermatology, Berlin, Germany
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21
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Clabaut M, Boukerb AM, Mlouka AB, Suet A, Tahrioui A, Verdon J, Barreau M, Maillot O, Le Tirant A, Karsybayeva M, Kremser C, Redziniak G, Duclairoir-Poc C, Pichon C, Hardouin J, Cosette P, Chevalier S, Feuilloley MGJ. Variability of the response of human vaginal Lactobacillus crispatus to 17β-estradiol. Sci Rep 2021; 11:11533. [PMID: 34075148 PMCID: PMC8169910 DOI: 10.1038/s41598-021-91017-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 05/19/2021] [Indexed: 02/07/2023] Open
Abstract
We previously showed that the physiological concentration of 17β-estradiol in the vaginal environment is sufficient to affect the membrane dynamics and adhesion phenotype of the Lactobacillus crispatus strain CIP104459. However, L. crispatus is a heterogeneous species. Here, we investigated the effect of 17β-estradiol on the recently isolated L. crispatus vaginal strain V4, related to a cluster distant from CIP104459 and at the limit of being a different subspecies. Grown in the same medium, the two strains expressed a highly similar pool of proteins. However, in contrast to CIP104459, L. crispatus V4 showed high aggregation potential and 17β-estradiol promoted this phenotype. This effect was associated with large changes in cell-surface polarity and Lewis acid/base properties. In addition, we observed no effect on the membrane dynamics, contrary to CIP104459. These results can be explained by differences in the properties and organization of the S layer between the two strains. However, as for CIP104459, 17β-estradiol increased biosurfactant production of L. crispatus V4 and their adhesion to vaginal cells. This suggests that 17β-estradiol agonists would be valuable tools to favor a stable re-implantation of L. crispatus in the vaginal mucosa.
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Affiliation(s)
- Maximilien Clabaut
- Laboratory of Microbiology Signals and Microenvironment (LMSM EA 4312), Rouen Normandie Université, 55 rue Saint-Germain, 27000, Evreux, France
| | - Amine M Boukerb
- Laboratory of Microbiology Signals and Microenvironment (LMSM EA 4312), Rouen Normandie Université, 55 rue Saint-Germain, 27000, Evreux, France
| | - Amine Ben Mlouka
- Laboratory «Polymères, Biopolymères, Surfaces» (UMR 6270 CNRS), Proteomic Platform PISSARO University of Rouen Normandy, Mont-Saint-Aignan, France
| | - Amandine Suet
- Centre de Biophysique Moléculaire, UPR4301 French National Centre for Scientific Research, Orléans, France
| | - Ali Tahrioui
- Laboratory of Microbiology Signals and Microenvironment (LMSM EA 4312), Rouen Normandie Université, 55 rue Saint-Germain, 27000, Evreux, France
| | - Julien Verdon
- Laboratoire EBI, UMR CNRS 7267, Université de Poitiers, Poitiers, France
| | - Magalie Barreau
- Laboratory of Microbiology Signals and Microenvironment (LMSM EA 4312), Rouen Normandie Université, 55 rue Saint-Germain, 27000, Evreux, France
| | - Olivier Maillot
- Laboratory of Microbiology Signals and Microenvironment (LMSM EA 4312), Rouen Normandie Université, 55 rue Saint-Germain, 27000, Evreux, France
| | | | | | | | | | - Cécile Duclairoir-Poc
- Laboratory of Microbiology Signals and Microenvironment (LMSM EA 4312), Rouen Normandie Université, 55 rue Saint-Germain, 27000, Evreux, France
| | - Chantal Pichon
- Centre de Biophysique Moléculaire, UPR4301 French National Centre for Scientific Research, Orléans, France
| | - Julie Hardouin
- Laboratory «Polymères, Biopolymères, Surfaces» (UMR 6270 CNRS), Proteomic Platform PISSARO University of Rouen Normandy, Mont-Saint-Aignan, France
| | - Pascal Cosette
- Laboratory «Polymères, Biopolymères, Surfaces» (UMR 6270 CNRS), Proteomic Platform PISSARO University of Rouen Normandy, Mont-Saint-Aignan, France
| | - Sylvie Chevalier
- Laboratory of Microbiology Signals and Microenvironment (LMSM EA 4312), Rouen Normandie Université, 55 rue Saint-Germain, 27000, Evreux, France
| | - Marc G J Feuilloley
- Laboratory of Microbiology Signals and Microenvironment (LMSM EA 4312), Rouen Normandie Université, 55 rue Saint-Germain, 27000, Evreux, France.
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22
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Boxberger M, Cenizo V, Cassir N, La Scola B. Challenges in exploring and manipulating the human skin microbiome. MICROBIOME 2021; 9:125. [PMID: 34053468 PMCID: PMC8166136 DOI: 10.1186/s40168-021-01062-5] [Citation(s) in RCA: 80] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 03/25/2021] [Indexed: 05/08/2023]
Abstract
The skin is the exterior interface of the human body with the environment. Despite its harsh physical landscape, the skin is colonized by diverse commensal microbes. In this review, we discuss recent insights into skin microbial populations, including their composition and role in health and disease and their modulation by intrinsic and extrinsic factors, with a focus on the pathobiological basis of skin aging. We also describe the most recent tools for investigating the skin microbiota composition and microbe-skin relationships and perspectives regarding the challenges of skin microbiome manipulation. Video abstract.
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Affiliation(s)
- Manon Boxberger
- IRD, AP-HM, MEPHI, Aix Marseille Université, Marseille, France
- IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
| | - Valérie Cenizo
- Groupe L’Occitane, R&D Department, Zone Industrielle Saint Maurice, 4100 Manosque, Alpes-de Haute-Provence France
| | - Nadim Cassir
- IRD, AP-HM, MEPHI, Aix Marseille Université, Marseille, France
- IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
| | - Bernard La Scola
- IRD, AP-HM, MEPHI, Aix Marseille Université, Marseille, France
- IHU-Méditerranée Infection, 19-21 Boulevard Jean Moulin, 13385 Marseille Cedex 05, France
- IRD, AP-HM, SSA, VITROME, Aix Marseille Université, Marseille, France
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The Ambivalent Role of Skin Microbiota and Adrenaline in Wound Healing and the Interplay between Them. Int J Mol Sci 2021; 22:ijms22094996. [PMID: 34066786 PMCID: PMC8125934 DOI: 10.3390/ijms22094996] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 04/27/2021] [Accepted: 05/06/2021] [Indexed: 02/07/2023] Open
Abstract
After skin injury, wound healing sets into motion a dynamic process to repair and replace devitalized tissues. The healing process can be divided into four overlapping phases: hemostasis, inflammation, proliferation, and maturation. Skin microbiota has been reported to participate in orchestrating the wound healing both in negative and positive ways. Many studies reported that skin microbiota can impose negative and positive effects on the wound. Recent findings have shown that many bacterial species on human skin are able to convert aromatic amino acids into so-called trace amines (TAs) and convert corresponding precursors into dopamine and serotonin, which are all released into the environment. As a stress reaction, wounded epithelial cells release the hormone adrenaline (epinephrine), which activates the β2-adrenergic receptor (β2-AR), impairing the migration ability of keratinocytes and thus re-epithelization. This is where TAs come into play, as they act as antagonists of β2-AR and thus attenuate the effects of adrenaline. The result is that not only TAs but also TA-producing skin bacteria accelerate wound healing. Adrenergic receptors (ARs) play a key role in many physiological and disease-related processes and are expressed in numerous cell types. In this review, we describe the role of ARs in relation to wound healing in keratinocytes, immune cells, fibroblasts, and blood vessels and the possible role of the skin microbiota in wound healing.
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Hu T, Wei Z, Ju Q, Chen W. Sexualhormone und Akne: Aktueller Stand. J Dtsch Dermatol Ges 2021; 19:509-516. [PMID: 33861017 DOI: 10.1111/ddg.14426_g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 08/10/2020] [Indexed: 11/28/2022]
Affiliation(s)
- Tingting Hu
- Abteilung Dermatologie, Ren Ji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Ziyu Wei
- Abteilung Dermatologie, Ren Ji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - Qiang Ju
- Abteilung Dermatologie, Ren Ji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, PR China
| | - WenChieh Chen
- Abteilung Dermatologie und Allergologie, Technische Universität München, München, Germany
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25
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Effect of 17β-estradiol on a human vaginal Lactobacillus crispatus strain. Sci Rep 2021; 11:7133. [PMID: 33785829 PMCID: PMC8010061 DOI: 10.1038/s41598-021-86628-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 03/18/2021] [Indexed: 02/01/2023] Open
Abstract
Lactobacilli and estrogens play essential roles in vaginal homeostasis. We investigated the potential direct effect of 17β-estradiol on a vaginal strain of Lactobacillus crispatus, the major bacterial species of the vaginal microbiota. 17β-estradiol (10-6 to 10-10 M) had no effect on L. crispatus growth, but markedly affected the membrane dynamics of this bacterium. This effect appeared consistent with a signal transduction process. The surface polarity and aggregation potential of the bacterium were unaffected by exposure to 17β-estradiol, but its mean size was significantly reduced. 17β-estradiol also promoted biosurfactant production by L. crispatus and adhesion to vaginal VK2/E6E7 cells, but had little effect on bacterial biofilm formation activity. Bioinformatic analysis of L. crispatus identified a membrane lipid raft-associated stomatin/prohibitin/flotillin/HflK domain containing protein as a potential 17β-estradiol binding site. Overall, our results reveal direct effects of 17β-estradiol on L. crispatus. These effects are of potential importance in the physiology of the vaginal environment, through the promotion of lactobacillus adhesion to the mucosa and protection against pathogens.
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Ovcharova MA, Geraskina OV, Danilova ND, Botchkova EA, Martyanov SV, Feofanov AV, Plakunov VK, Gannesen AV. Atrial Natriuretic Peptide Affects Skin Commensal Staphylococcus epidermidis and Cutibacterium acnes Dual-Species Biofilms. Microorganisms 2021; 9:552. [PMID: 33800171 PMCID: PMC7999105 DOI: 10.3390/microorganisms9030552] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 03/04/2021] [Accepted: 03/04/2021] [Indexed: 01/11/2023] Open
Abstract
The first evidence of the atrial natriuretic peptide (ANP) effect on mono-species and dual-species biofilms of skin commensals Cutibacterium acnes and Staphylococcus epidermidis was obtained in different model systems. Elucidation of the mechanism of action of hormones on the microbial communities of human skin is an important physiological and medical aspect. Under anaerobic conditions, ANP at a concentration of 6.5 × 10-10 M inhibits the growth of S. epidermidis biofilms and stimulates the growth of C. acnes biofilms, and a lesser effect has been demonstrated on planktonic cultures. In biofilms, ANP stimulates aggregation in C. acnes and aggregate dispersion of S. epidermidis, while in S. epidermidis, ANP also stimulates the metabolic activity of cells. Analysis of dual-species biofilms has shown the dominance of S. epidermidis, while ANP increases the ratio of C. acnes biomass in the community. ANP decreases the growth rate of S. epidermidis biofilms and increases that of C. acnes. The effect of ANP is not dependent on the surface type and probably affects other targets in microbial cells. Thus, the potential regulatory effect of human ANP on skin microbe dual-species communities has been shown, and its potential has been demonstrated to change microbiota homeostasis on the skin.
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Affiliation(s)
- Maria Alekseevna Ovcharova
- Laboratory of Viability of Microorganisms, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, 117312 Moscow, Russia; (M.A.O.); (N.D.D.); (S.V.M.); (V.K.P.)
| | - Olga Vyacheslavovna Geraskina
- Department of Bioengineering, Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (O.V.G.); (A.V.F.)
| | - Natalya Dmitrievna Danilova
- Laboratory of Viability of Microorganisms, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, 117312 Moscow, Russia; (M.A.O.); (N.D.D.); (S.V.M.); (V.K.P.)
| | - Ekaterina Alexandrovna Botchkova
- Laboratory of Microbiology of Anthropogenic Habitats, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, 117312 Moscow, Russia;
| | - Sergey Vladislavovich Martyanov
- Laboratory of Viability of Microorganisms, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, 117312 Moscow, Russia; (M.A.O.); (N.D.D.); (S.V.M.); (V.K.P.)
| | - Alexey Valeryevich Feofanov
- Department of Bioengineering, Faculty of Biology, Lomonosov Moscow State University, 119234 Moscow, Russia; (O.V.G.); (A.V.F.)
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 117997 Moscow, Russia
| | - Vladimir Konstantinovich Plakunov
- Laboratory of Viability of Microorganisms, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, 117312 Moscow, Russia; (M.A.O.); (N.D.D.); (S.V.M.); (V.K.P.)
| | - Andrei Vladislavovich Gannesen
- Laboratory of Viability of Microorganisms, Federal Research Center “Fundamentals of Biotechnology” of Russian Academy of Sciences, 117312 Moscow, Russia; (M.A.O.); (N.D.D.); (S.V.M.); (V.K.P.)
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27
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Hu T, Wei Z, Ju Q, Chen W. Sex hormones and acne: State of the art. J Dtsch Dermatol Ges 2021; 19:509-515. [PMID: 33576151 DOI: 10.1111/ddg.14426] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 08/10/2020] [Indexed: 01/13/2023]
Abstract
Acne is an androgen-dependent inflammatory disease of sebaceous follicles. Herein, we reviewed and discussed the underlying pathways of androgen biosynthesis and metabolism, non-genomic regulation of androgen receptor expression and function, posttranslational regulation of androgen excess in acne and acne-associated syndromes, such as polycystic ovary syndrome, and congenital adrenal hyperplasia. We provide insights into the involvement of sex hormones, particularly androgens, in skin homeostasis and acne pathogenesis, including comedogenesis, lipogenesis, microbiota, and inflammation. Advanced understanding of the action mechanisms of classical acne treatment and new development of antiandrogens, both topical and systemic, are also highlighted.
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Affiliation(s)
- Tingting Hu
- Department of Dermatology, South Campus, Ren Ji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Ziyu Wei
- Department of Dermatology, Ren Ji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - Qiang Ju
- Department of Dermatology, South Campus, Ren Ji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China.,Department of Dermatology, Ren Ji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai, China
| | - WenChieh Chen
- Department of Dermatology and Allergy, Technical University of Munich, Munich, Germany
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Khmaladze I, Leonardi M, Fabre S, Messaraa C, Mavon A. The Skin Interactome: A Holistic "Genome-Microbiome-Exposome" Approach to Understand and Modulate Skin Health and Aging. Clin Cosmet Investig Dermatol 2021; 13:1021-1040. [PMID: 33380819 PMCID: PMC7769076 DOI: 10.2147/ccid.s239367] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 11/26/2020] [Indexed: 12/13/2022]
Abstract
Higher demands on skin care cosmetic products for strong performance drive intense research to understand the mechanisms of skin aging and design strategies to improve overall skin health. Today we know that our needs and influencers of skin health and skin aging change throughout our life journey due to both extrinsic factors, such as environmental factors and lifestyle factors, as well as our intrinsic factors. Furthermore, we need to consider our microflora, a collection of micro-organisms such as bacteria, viruses, and fungi, which is a living ecosystem in our gut and on our skin, that can have a major impact on our health. Here, we are viewing a holistic approach to understand the collective effect of the key influencers of skin health and skin aging both reviewing how each of them impact the skin, but more importantly to identify molecular conjunction pathways of these different factors in order to get a better understanding of the integrated “genome-microbiome-exposome” effect. For this purpose and in order to translate molecularly the impact of the key influencers of skin health and skin aging, we built a digital model based on system biology using different bioinformatics tools. This model is considering both the positive and negative impact of our genome (genes, age/gender), exposome: external (sun, pollution, climate) and lifestyle factors (sleep, stress, exercise, nutrition, skin care routine), as well as the role of our skin microbiome, and allowed us in a first application to evaluate the effect of the genome in the synthesis of collagen in the skin and the determination of a suitable target for boosting pro-collagen synthesis. In conclusion, we have, through our digital holistic approach, defined the skin interactome concept, as an advanced tool to better understand the molecular genesis of skin aging and further develop a strategy to balance the influence of the exposome and microbiome to protect, prevent, and delay the appearance of skin aging signs and preserve good skin health condition. In addition, this model will aid in identifying and optimizing skin treatment options based on external triggers, as well as helping to design optimal treatments modulating the intrinsic pathways.
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Affiliation(s)
- Ia Khmaladze
- Skin Research Institute, Oriflame Cosmetics AB, Stockholm, Sweden
| | - Michele Leonardi
- Skin Research Institute, Oriflame Cosmetics AB, Stockholm, Sweden
| | - Susanne Fabre
- Skin Research Institute, Oriflame Cosmetics AB, Stockholm, Sweden
| | - Cyril Messaraa
- Research and Development, Oriflame Cosmetics Ltd, Bray, Ireland
| | - Alain Mavon
- Skin Research Institute, Oriflame Cosmetics AB, Stockholm, Sweden
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29
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Fournière M, Latire T, Souak D, Feuilloley MGJ, Bedoux G. Staphylococcus epidermidis and Cutibacterium acnes: Two Major Sentinels of Skin Microbiota and the Influence of Cosmetics. Microorganisms 2020; 8:E1752. [PMID: 33171837 PMCID: PMC7695133 DOI: 10.3390/microorganisms8111752] [Citation(s) in RCA: 89] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 10/26/2020] [Accepted: 11/05/2020] [Indexed: 02/06/2023] Open
Abstract
Dermatological and cosmetics fields have recently started to focus on the human skin microbiome and microbiota, since the skin microbiota is involved in the health and dysbiosis of the skin ecosystem. Amongst the skin microorganisms, Staphylococcus epidermidis and Cutibacterium acnes, both commensal bacteria, appear as skin microbiota sentinels. These sentinels have a key role in the skin ecosystem since they protect and prevent microbiota disequilibrium by fighting pathogens and participate in skin homeostasis through the production of beneficial bacterial metabolites. These bacteria adapt to changing skin microenvironments and can shift to being opportunistic pathogens, forming biofilms, and thus are involved in common skin dysbiosis, such as acne or atopic dermatitis. The current evaluation methods for cosmetic active ingredient development are discussed targeting these two sentinels with their assets and limits. After identification of these objectives, research of the active cosmetic ingredients and products that maintain and promote these commensal metabolisms, or reduce their pathogenic forms, are now the new challenges of the skincare industry in correlation with the constant development of adapted evaluation methods.
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Affiliation(s)
- Mathilde Fournière
- Laboratoire de Biotechnologie et Chimie Marines LBCM EA 3884, IUEM, Université Bretagne Sud, 56000 Vannes, France; (T.L.); (G.B.)
- Laboratoire de Biotechnologie et Chimie Marines LBCM EA 3884, IUEM, Université Catholique de l’Ouest Bretagne Nord, 22200 Guingamp, France
| | - Thomas Latire
- Laboratoire de Biotechnologie et Chimie Marines LBCM EA 3884, IUEM, Université Bretagne Sud, 56000 Vannes, France; (T.L.); (G.B.)
- Laboratoire de Biotechnologie et Chimie Marines LBCM EA 3884, IUEM, Université Catholique de l’Ouest Bretagne Nord, 22200 Guingamp, France
| | - Djouhar Souak
- Laboratoire de Microbiologie Signaux et Microenvironment LMSM EA4312, Université de Rouen Normandie, 27000 Évreux, France; (D.S.); (M.G.J.F.)
- BASF Beauty Care Solutions France SAS, 69007 Lyon, France
| | - Marc G. J. Feuilloley
- Laboratoire de Microbiologie Signaux et Microenvironment LMSM EA4312, Université de Rouen Normandie, 27000 Évreux, France; (D.S.); (M.G.J.F.)
| | - Gilles Bedoux
- Laboratoire de Biotechnologie et Chimie Marines LBCM EA 3884, IUEM, Université Bretagne Sud, 56000 Vannes, France; (T.L.); (G.B.)
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30
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Zouboulis CC, Angres S. Macrophage-activating lipopeptide-2 and corticotropin-releasing hormone stimulate the inflammatory signalling in human sebocytes through activation of stearoyl-CoA desaturase and fatty acid desaturase 2. J Eur Acad Dermatol Venereol 2020; 35:493-501. [PMID: 33131141 DOI: 10.1111/jdv.17016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Accepted: 10/02/2020] [Indexed: 12/18/2022]
Abstract
BACKGROUND The macrophage-activating lipopeptide-2 (MALP-2) activates cells carrying a functional Toll-like receptor (TLR)-2/6. Human sebocytes express functional TLR-2, TLR-4 and CD14. Upregulation of stearoyl-CoA desaturase (SCD) and fatty acid desaturase-2 (FADS2) expression induces pro-inflammatory sebaceous activity. On the other hand, corticotropin-releasing hormone (CRH) is likely to serve as an autocrine stress hormone in human sebocytes. In addition to its antiproliferative, lipogenetic and androgen-activating functions, CRH exhibits a pro-inflammatory action and its expression is upregulated in acne-involved sebaceous glands. OBJECTIVE Determination of the pro-inflammatory function of MALP-2 and CRH and clarification of the option that MALP-2 and/or CRH activity on human sebocytes might be mediated through SCD and/or FADS2. METHODS SZ95 sebocytes were treated with MALP-2, CRH and the SCD inhibitor/ligand FPCA. SCD, FADS2, TLR-2 mRNA and protein levels and IL-6 and IL-8 secretion were investigated. Intracellular CRH levels were assessed under treatment with CRH, MALP-2, linoleic acid and arachidonic acid. Phorbol 12-myristate 13-acetate and dexamethasone served as positive and negative controls, respectively. RESULTS MALP-2 upregulated SCD, FADS2, TLR-2 mRNA and protein levels and IL-6 and IL-8 secretion from SZ95 sebocytes. Co-incubation of SZ95 sebocytes with MALP-2/FPCA did not affect the MALP-2-induced SCD mRNA upregulation but reduced FADS2 mRNA levels and inhibited IL-8 secretion. CRH induced an early, low-level SCD and FADS2 upregulation and TLR-2 and IL-8 secretion. High intracellular CRH concentrations could be detected early after CRH treatment and persisted up to 24 h. MALP-2 stimulated intracellular CRH levels. CONCLUSIONS MALP-2 stimulates the inflammatory signalling in human sebocytes through SCD and FADS2 activation. Inhibition of FADS2 mRNA levels and IL-8 secretion through MALP-2/FCPA co-incubation and diminution of fatty acid unsaturation might lead to a reduction of pro-inflammatory sebaceous lipids. CRH upregulates inflammatory signalling via the SCD/FADS2 pathway, and MALP-2 selectively enhances CRH levels in human sebocytes.
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Affiliation(s)
- C C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Dessau, Germany
| | - S Angres
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Dessau, Germany
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31
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Zouboulis CC. Endocrinology and immunology of acne: Two sides of the same coin. Exp Dermatol 2020; 29:840-859. [DOI: 10.1111/exd.14172] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 08/05/2020] [Accepted: 08/05/2020] [Indexed: 12/25/2022]
Affiliation(s)
- Christos C. Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology Dessau Medical Center Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg Dessau Germany
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32
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Park TH, Kim WI, Park S, Ahn J, Cho MK, Kim S. Public Interest in Acne on the Internet: Comparison of Search Information From Google Trends and Naver. J Med Internet Res 2020; 22:e19427. [PMID: 33104003 PMCID: PMC7652686 DOI: 10.2196/19427] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 07/17/2020] [Accepted: 07/20/2020] [Indexed: 12/21/2022] Open
Abstract
Background Acne vulgaris is a common skin disease primarily affecting young adults. Given that the internet has become a major source of health information, especially among the young, the internet is a powerful tool of communication and has a significant influence on patients. Objective This study aimed to clarify the features of patients’ interest in and evaluate the quality of information about acne vulgaris on the internet. Methods We compared the search volumes on acne vulgaris with those of other dermatological diseases using Google Trends from January 2004 to August 2019. We also determined the search volumes for relevant keywords of acne vulgaris on Google and Naver and evaluated the quality of answers to the queries in KnowledgeiN. Results The regression analysis of Google Trends data demonstrated that the patients’ interest in acne vulgaris was higher than that for other dermatological diseases, such as atopic dermatitis (β=−20.33, 95% CI –22.27 to –18.39, P<.001) and urticaria (β=−27.09, 95% CI –29.03 to –25.15, P<.001) and has increased yearly (β=2.38, 95% CI 2.05 to 2.71, P<.001). The search volume for acne vulgaris was significantly higher in the summer than in the spring (β=–5.04, 95% CI –9.21 to –0.88, P=.018) and on weekends than on weekdays (β=–6.68, 95% CI –13.18 to –0.18, P=.044). The most frequently searched relevant keywords with “acne vulgaris” and “cause” were “stress,” “food,” and “cosmetics.” Among food, the 2 highest acne vulgaris–related keywords were milk and wheat in Naver and coffee and ramen in Google. The queries in Naver KnowledgeiN were mostly answered by a Korean traditional medicine doctor (53.4%) or the public (33.6%), but only 12.0% by dermatologists. Conclusions Physicians should be aware of patients’ interest in and beliefs about acne vulgaris to provide the best patient education and care, both online and in the clinic.
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Affiliation(s)
- Tae Heum Park
- Department of Dermatology, Soonchunhyang University Hospital, Seoul, Republic of Korea
| | - Woo Il Kim
- Department of Dermatology, Soonchunhyang University Hospital, Seoul, Republic of Korea
| | - Suyeon Park
- Department of Biostatistics, Soonchunhyang University Hospital, Seoul, Republic of Korea
| | - Jaeouk Ahn
- Department of Medical IT Engineering, Soonchunhyang University, Asan, Republic of Korea
| | - Moon Kyun Cho
- Department of Dermatology, Soonchunhyang University Hospital, Seoul, Republic of Korea
| | - Sooyoung Kim
- Department of Dermatology, Soonchunhyang University Hospital, Seoul, Republic of Korea
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33
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Zouboulis CC, Yoshida GJ, Wu Y, Xia L, Schneider MR. Sebaceous gland: Milestones of 30‐year modelling research dedicated to the “brain of the skin”. Exp Dermatol 2020; 29:1069-1079. [DOI: 10.1111/exd.14184] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 08/13/2020] [Accepted: 08/21/2020] [Indexed: 12/11/2022]
Affiliation(s)
- Christos C. Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology Dessau Medical Center Brandenburg Medical School Theodore Fontane and Faculty of Health Sciences Brandenburg Dessau Germany
| | - Go J. Yoshida
- Department of Immunological Diagnosis Juntendo University School of Medicine Bunkyo‐ku, Tokyo Japan
| | - Yaojiong Wu
- Shenzhen Key Laboratory of Health Sciences and Technology Tsinghua Shenzhen International Graduate School and Tsinghua‐Berkeley Shenzhen Institute Tsinghua University Beijing China
| | - Longqing Xia
- Department of Dermatology Renji Hospital School of Medicine Shanghai Jiaotong University Shanghai China
| | - Marlon R. Schneider
- German Federal Institute for Risk Assessment (BfR) German Centre for the Protection of Laboratory Animals (Bf3R) Berlin Germany
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34
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Chakroborty D, Goswami S, Basu S, Sarkar C. Catecholamines in the regulation of angiogenesis in cutaneous wound healing. FASEB J 2020; 34:14093-14102. [PMID: 32949437 DOI: 10.1096/fj.202001701r] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 08/04/2020] [Accepted: 08/24/2020] [Indexed: 12/13/2022]
Abstract
Angiogenesis involves the formation of new blood vessels from preexisting ones, and it is an essential step during cutaneous wound healing, which supports cells at the wound site with nutrition and oxygen. Impaired angiogenesis in the wound tissues results in delayed wound closure and healing. Among the regulators of angiogenesis, the role of catecholamines (epinephrine, norepinephrine, and dopamine) is of interest due to their diverse roles in the process of wound healing. While both norepinephrine and epinephrine mostly inhibit the angiogenic process in cutaneous wounds, dopamine, the other member of the catecholamine family, has interesting and contradictory roles in the regulation of angiogenesis in the wound beds, depending on the type of dopamine receptor involved. The stimulation of dopamine D2 receptors negatively regulates the angiogenic process in normal dermal wounds and thereby delays healing, whereas the stimulation of dopamine D1 receptors promotes angiogenesis and expedites healing in diabetic wounds. Importantly, catecholamines also play important roles in other pathological conditions, and specific agonists and antagonists of catecholamines are available for the treatment of some disorders. Therefore, such drugs may be utilized for the management of angiogenesis to promote the healing of dermal wounds. This review provides a broad overview of the angiogenic process during cutaneous wound healing and the regulatory roles played by catecholamines during the process.
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Affiliation(s)
| | - Sandeep Goswami
- Department of Pathology, Ohio State University, Columbus, OH, USA
| | - Sujit Basu
- Department of Pathology, Ohio State University, Columbus, OH, USA.,Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA.,Department of Medical Oncology, Ohio State University, Columbus, OH, USA
| | - Chandrani Sarkar
- Department of Pathology, Ohio State University, Columbus, OH, USA.,Comprehensive Cancer Center, Ohio State University, Columbus, OH, USA
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35
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Racine PJ, Janvier X, Clabaut M, Catovic C, Souak D, Boukerb AM, Groboillot A, Konto-Ghiorghi Y, Duclairoir-Poc C, Lesouhaitier O, Orange N, Chevalier S, Feuilloley MGJ. Dialog between skin and its microbiota: Emergence of "Cutaneous Bacterial Endocrinology". Exp Dermatol 2020; 29:790-800. [PMID: 32682345 DOI: 10.1111/exd.14158] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 06/30/2020] [Accepted: 07/13/2020] [Indexed: 12/13/2022]
Abstract
Microbial endocrinology is studying the response of microorganisms to hormones and neurohormones and the microbiota production of hormones-like molecules. Until now, it was mainly applied to the gut and revealed that the intestinal microbiota should be considered as a real organ in constant and bilateral interactions with the whole human body. The skin harbours the second most abundant microbiome and contains an abundance of nerve terminals and capillaries, which in addition to keratinocytes, fibroblasts, melanocytes, dendritic cells and endothelial cells, release a huge diversity of hormones and neurohormones. In the present review, we will examine recent experimental data showing that, in skin, molecules such as substance P, calcitonin gene-related peptide, natriuretic peptides and catecholamines can directly affect the physiology and virulence of common skin-associated bacteria. Conversely, bacteria are able to synthesize and release compounds including histamine, glutamate and γ-aminobutyric acid or peptides showing partial homology with neurohormones such as α-melanocyte-stimulating hormone (αMSH). The more surprising is that some viruses can also encode neurohormones mimicking proteins. Taken together, these elements demonstrate that there is also a cutaneous microbial endocrinology and this emerging concept will certainly have important consequences in dermatology.
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Affiliation(s)
- Pierre-Jean Racine
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Xavier Janvier
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Maximilien Clabaut
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Chloe Catovic
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Djouhar Souak
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Amine M Boukerb
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Anne Groboillot
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Yoan Konto-Ghiorghi
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Cécile Duclairoir-Poc
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Olivier Lesouhaitier
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Nicole Orange
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Sylvie Chevalier
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
| | - Marc G J Feuilloley
- Laboratory of Microbiology Signals and Microenvironment LMSM EA4312, University of Rouen Normandy, Normandie Université, Evreux, France
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Cambronel M, Nilly F, Mesguida O, Boukerb AM, Racine PJ, Baccouri O, Borrel V, Martel J, Fécamp F, Knowlton R, Zimmermann K, Domann E, Rodrigues S, Feuilloley M, Connil N. Influence of Catecholamines (Epinephrine/Norepinephrine) on Biofilm Formation and Adhesion in Pathogenic and Probiotic Strains of Enterococcus faecalis. Front Microbiol 2020; 11:1501. [PMID: 32849320 PMCID: PMC7396564 DOI: 10.3389/fmicb.2020.01501] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 06/10/2020] [Indexed: 12/14/2022] Open
Abstract
Enterococcus faecalis has controversial status due to its emerging role in nosocomial infections, while some strains with beneficial effects are used as probiotics and starter cultures in dairy industry. These bacteria can be found as resident or transient germs in the gut or on skin, where they are continually exposed to various eukaryotic molecules. In this context, the aim of our work was to evaluate the effect of the catecholamine stress hormones, epinephrine (Epi), and norepinephrine (NE) on some Enterococcus strains. Four E. faecalis strains were included in this study: E. faecalis MMH594 and E. faecalis V583, pathogenic strains of clinical origin, E. faecalis Symbioflor 1 clone DSM 16431, a pharmaceutical probiotic, and E. faecalis OB15, a probiotic strain previously isolated from Tunisian rigouta (Baccouri et al., 2019). Epi was found to modulate the formation of biofilm (biovolume and thickness) in E. faecalis, whether pathogens or probiotics. NE had less effect on biofilm formation of these bacteria. We also investigated the effect of Epi and NE on adhesion of E. faecalis to eukaryotic cells as it is the first step of colonization of the host. Epi was found to significantly enhance the adhesion of MMH594 and OB15 to Caco-2/TC7 intestinal cells and HaCaT keratinocyte cells, whereas NE significantly increased the adhesion of V583 and Symbioflor 1 DSM 16431 to Caco-2/TC7 cells, the adhesion of MMH594, Symbioflor 1 DSM 16431, and OB15 to HaCaT cells. Analysis of a putative adrenergic sensor of Epi/NE in E. faecalis, compared to QseC, the Escherichia coli adrenergic receptor, allowed the identification of VicK as the nearest protein to QseC with 29% identity and 46% similarity values. Structure modeling and molecular docking of VicK corroborated the hypothesis of possible interactions of this putative adrenergic sensor with Epi and NE, with binding energies of -4.08 and -4.49 kcal/mol, respectively. In conclusion, this study showed for the first time that stress hormones could increase biofilm formation and adhesion to eukaryotic cells in E. faecalis. Future experiments will aim to confirm by in vivo studies the role of VicK as adrenergic sensor in E. faecalis probiotic and pathogen strains. This may help to develop new strategies of antagonism/competition in the gut or skin ecological niches, and to prevent the colonization by opportunistic pathogens.
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Affiliation(s)
- Mélyssa Cambronel
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Flore Nilly
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Ouiza Mesguida
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Amine Mohamed Boukerb
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Pierre-Jean Racine
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Olfa Baccouri
- Laboratory of Protein Engineering and Bioactive Molecules, National Institute of Applied Sciences and Technology, University of Carthage, Tunis, Tunisia
| | - Valérie Borrel
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Jérome Martel
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Florian Fécamp
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Rikki Knowlton
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | | | - Eugen Domann
- Institute of Medical Microbiology, German Centre for Infection Research, Justus-Liebig-University Giessen, Giessen, Germany
| | - Sophie Rodrigues
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Marc Feuilloley
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
| | - Nathalie Connil
- Laboratoire de Microbiologie Signaux et Microenvironnement EA 4312, Université de Rouen, Normandie Université, Évreux, France
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Sung Kim H, Yosipovitch G. THE SKIN MICROBIOTA AND ITCH: Is There a Link? THE JOURNAL OF CLINICAL AND AESTHETIC DERMATOLOGY 2020; 13:S39-S46. [PMID: 33282109 PMCID: PMC7710288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Itch is an unpleasant sensation that emanates primarily from the skin. The chemical mediators that drive neuronal activity originate from a complex interaction between keratinocytes, inflammatory cells, nerve endings, and the skin microbiota, relaying itch signals to the brain. Stress also exacerbates itch via the skin-brain axis. Recently, the microbiota has surfaced as a major player to regulate this axis, notably during stress settings aroused by actual or perceived homeostatic challenge. The routes of communication between the microbiota and brain are slowly being unraveled and involve neurochemicals (i.e., acetylcholine, histamine, catecholamines, and corticotropin) that originate from the microbiota itself. By focusing on itch biology and by referring to the more established field of pain research, this review examines the possible means by which the skin microbiota contributes to itch.
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Affiliation(s)
- Hei Sung Kim
- Dr. Kim is with the Department of Dermatology and Cutaneous Surgery at Miami Itch Center, Miller School of Medicine at University of Miami in Miami, Florida, the Department of Dermatology at Incheon St. Mary's Hospital, The Catholic University of Korea in Seoul, Korea, and the Department of Biomedicine and Health Sciences, at The Catholic University of Korea in Seoul, Korea
- Dr. Yosipovitch is with the Department of Dermatology and Cutaneous Surgery at Miami Itch Center, Miller School of Medicine at the University of Miami in Miami, Florida
| | - Gil Yosipovitch
- Dr. Kim is with the Department of Dermatology and Cutaneous Surgery at Miami Itch Center, Miller School of Medicine at University of Miami in Miami, Florida, the Department of Dermatology at Incheon St. Mary's Hospital, The Catholic University of Korea in Seoul, Korea, and the Department of Biomedicine and Health Sciences, at The Catholic University of Korea in Seoul, Korea
- Dr. Yosipovitch is with the Department of Dermatology and Cutaneous Surgery at Miami Itch Center, Miller School of Medicine at the University of Miami in Miami, Florida
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The Skin Microbiota and Itch: Is There a Link? J Clin Med 2020; 9:jcm9041190. [PMID: 32331207 PMCID: PMC7230651 DOI: 10.3390/jcm9041190] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 04/18/2020] [Accepted: 04/20/2020] [Indexed: 02/07/2023] Open
Abstract
Itch is an unpleasant sensation that emanates primarily from the skin. The chemical mediators that drive neuronal activity originate from a complex interaction between keratinocytes, inflammatory cells, nerve endings and the skin microbiota, relaying itch signals to the brain. Stress also exacerbates itch via the skin–brain axis. Recently, the microbiota has surfaced as a major player to regulate this axis, notably during stress settings aroused by actual or perceived homeostatic challenge. The routes of communication between the microbiota and brain are slowly being unraveled and involve neurochemicals (i.e., acetylcholine, histamine, catecholamines, corticotropin) that originate from the microbiota itself. By focusing on itch biology and by referring to the more established field of pain research, this review examines the possible means by which the skin microbiota contributes to itch.
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