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Hwang SH, Yang Y, Jeong Y, Kim Y. Ovalicin attenuates atopic dermatitis symptoms by inhibiting IL-31 signaling and intracellular calcium influx. J Biomed Res 2021; 35:448-458. [PMID: 34497158 PMCID: PMC8637656 DOI: 10.7555/jbr.35.20210012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Atopic dermatitis (AD) is a common skin disorder difficult to be treated with medication. This study investigated the potential of ovalicin extracted from Cordyceps militaris for the treatment of AD using in vitro and in vivo models. We found that, in canine macrophage cell line DH82, lipopolysaccharide (LPS) upregulated the expression of genes associated with inflammation and pruritic responses through activating calcium and interleukin-31 (IL-31) signaling, and the upregulation could be suppressed by ovalicin, with an effect significantly stronger than dexamethasone. Ovalicin also reduced the expression of IL-31 downstream genes, including JAK2 (Janus kinase 2), TRPV1 (transient receptor potential vanilloid receptor-1), and HRH2 (histamine receptor H2). Ovalicin significantly alleviated the allergic symptoms in the AD mouse model. Histologically, the number of macrophages and mast cells infiltrated in the dermis was significantly reduced by ovalicin treatment. In the skin tissue of AD mice, reduction of IL-31 receptor was observed in the ovalicin treated group compared to the group without ovalicin treatment. To our knowledge, this is the first study to elucidate the anti-atopic mechanism of ovalicin, which could be an alternative to steroidal drugs commonly used for AD treatment.
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Affiliation(s)
- Sung-Hyun Hwang
- Laboratory of Clinical Pathology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.,The Brain Korea 21 Future Veterinary Medicine Leading Education and Research Center, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Yeseul Yang
- Laboratory of Clinical Pathology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.,The Brain Korea 21 Future Veterinary Medicine Leading Education and Research Center, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Yeji Jeong
- Laboratory of Clinical Pathology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.,The Brain Korea 21 Future Veterinary Medicine Leading Education and Research Center, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
| | - Yongbaek Kim
- Laboratory of Clinical Pathology, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea.,Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Republic of Korea
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Zhang L, Fasoyin OE, Molnár I, Xu Y. Secondary metabolites from hypocrealean entomopathogenic fungi: novel bioactive compounds. Nat Prod Rep 2020; 37:1181-1206. [PMID: 32211639 PMCID: PMC7529686 DOI: 10.1039/c9np00065h] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Covering: 2014 up to the third quarter of 2019 Entomopathogens constitute a unique, specialized trophic subgroup of fungi, most of whose members belong to the order Hypocreales (class Sordariomycetes, phylum Ascomycota). These Hypocrealean Entomopathogenic Fungi (HEF) produce a large variety of secondary metabolites (SMs) and their genomes rank highly for the number of predicted, unique SM biosynthetic gene clusters. SMs from HEF have diverse roles in insect pathogenicity as virulence factors by modulating various interactions between the producer fungus and its insect host. In addition, these SMs also defend the carcass of the prey against opportunistic microbial invaders, mediate intra- and interspecies communication, and mitigate abiotic and biotic stresses. Thus, these SMs contribute to the role of HEF as commercial biopesticides in the context of integrated pest management systems, and provide lead compounds for the development of chemical pesticides for crop protection. These bioactive SMs also underpin the widespread use of certain HEF as nutraceuticals and traditional remedies, and allowed the modern pharmaceutical industry to repurpose some of these molecules as life-saving human medications. Herein, we survey the structures and biological activities of SMs described from HEF, and summarize new information on the roles of these metabolites in fungal virulence.
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Affiliation(s)
- Liwen Zhang
- Biotechnology Research Institute, The Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing 100081, P.R. China.
| | - Opemipo Esther Fasoyin
- Biotechnology Research Institute, The Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing 100081, P.R. China.
| | - István Molnár
- Southwest Center for Natural Products Research, University of Arizona, 250 E. Valencia Rd., Tucson, AZ 85706, USA.
| | - Yuquan Xu
- Biotechnology Research Institute, The Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing 100081, P.R. China.
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Abramo F, Lazzarini G, Pirone A, Lenzi C, Albertini S, Della Valle MF, Schievano C, Vannozzi I, Miragliotta V. Ultramicronized palmitoylethanolamide counteracts the effects of compound 48/80 in a canine skin organ culture model. Vet Dermatol 2017; 28:456-e104. [PMID: 28585337 DOI: 10.1111/vde.12456] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/08/2017] [Indexed: 01/04/2023]
Abstract
BACKGROUND Ultramicronized palmitoylethanolamide (PEA-um) has been reported to reduce pruritus and skin lesions in dogs with moderate atopic dermatitis and pruritus. HYPOTHESIS/OBJECTIVES A canine ex vivo skin model was used to investigate the ability of PEA-um to counteract changes induced by compound 48/80, a well-known secretagogue that causes mast cell degranulation. ANIMALS Normal skin was obtained from three donor dogs subjected to surgery for reasons unrelated to the study. METHODS Cultured skin biopsy samples in triplicate were treated with 10 and 100 μg/mL compound 48/80, without or with 30 μM PEA-um. Mast cell (MC) degranulation, histamine release into the culture medium, local microvascular dilatation, epidermal thickness, keratinocyte proliferation and epidermal differentiation markers were evaluated. RESULTS Exposure of the skin organ culture to PEA-um 24 h before and 72 h concomitantly to compound 48/80 resulted in a significant decrease of degranulating MCs. PEA-um also reduced the histamine content in the culture medium by half, although the effect did not reach statistical significance. PEA-um significantly counteracted vasodilation induced by 100 μg/mL compound 48/80. Finally, PEA-um alone did not induce changes in epidermal thickness, differentiation markers, keratinocyte proliferation, MC density and/or degranulation. CONCLUSIONS AND CLINICAL IMPORTANCE Collectively, these results support the protective action PEA-um on the skin of dogs undergoing allergic changes.
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Affiliation(s)
- Francesca Abramo
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, Pisa, I-56124, Italy
| | - Giulia Lazzarini
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, Pisa, I-56124, Italy
| | - Andrea Pirone
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, Pisa, I-56124, Italy
| | - Carla Lenzi
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, Pisa, I-56124, Italy
| | - Sonia Albertini
- Endocrinology Unit, Azienda Ospedaliero-Universitaria Pisana, Via Roma 67, Pisa, I-56100, Italy
| | - M Frederica Della Valle
- Science Information and Documentation Centre (CeDIS), Innovet Italia SRL, Via Egadi 7, Milano, I-20144, Italy
| | - Carlo Schievano
- Innovative Statistical Research SRL, Via Prato Della Valle 24, Padova, I-35123, Italy
| | - Iacopo Vannozzi
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, Pisa, I-56124, Italy
| | - Vincenzo Miragliotta
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, Pisa, I-56124, Italy
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Fan A, Mi W, Liu Z, Zeng G, Zhang P, Hu Y, Fang W, Yin WB. Deletion of a Histone Acetyltransferase Leads to the Pleiotropic Activation of Natural Products in Metarhizium robertsii. Org Lett 2017; 19:1686-1689. [DOI: 10.1021/acs.orglett.7b00476] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Aili Fan
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
- Savaid
Medical School, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wubin Mi
- Institute
of Microbiology, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Zhiguo Liu
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Guohong Zeng
- Institute
of Microbiology, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Peng Zhang
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Youcai Hu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Weiguo Fang
- Institute
of Microbiology, College of Life Science, Zhejiang University, Hangzhou 310058, China
| | - Wen-Bing Yin
- State
Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
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Sbaraini N, Guedes RLM, Andreis FC, Junges Â, de Morais GL, Vainstein MH, de Vasconcelos ATR, Schrank A. Secondary metabolite gene clusters in the entomopathogen fungus Metarhizium anisopliae: genome identification and patterns of expression in a cuticle infection model. BMC Genomics 2016; 17:736. [PMID: 27801295 PMCID: PMC5088523 DOI: 10.1186/s12864-016-3067-6] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Background The described species from the Metarhizium genus are cosmopolitan fungi that infect arthropod hosts. Interestingly, while some species infect a wide range of hosts (host-generalists), other species infect only a few arthropods (host-specialists). This singular evolutionary trait permits unique comparisons to determine how pathogens and virulence determinants emerge. Among the several virulence determinants that have been described, secondary metabolites (SMs) are suggested to play essential roles during fungal infection. Despite progress in the study of pathogen-host relationships, the majority of genes related to SM production in Metarhizium spp. are uncharacterized, and little is known about their genomic organization, expression and regulation. To better understand how infection conditions may affect SM production in Metarhizium anisopliae, we have performed a deep survey and description of SM biosynthetic gene clusters (BGCs) in M. anisopliae, analyzed RNA-seq data from fungi grown on cattle-tick cuticles, evaluated the differential expression of BGCs, and assessed conservation among the Metarhizium genus. Furthermore, our analysis extended to the construction of a phylogeny for the following three BGCs: a tropolone/citrinin-related compound (MaPKS1), a pseurotin-related compound (MaNRPS-PKS2), and a putative helvolic acid (MaTERP1). Results Among 73 BGCs identified in M. anisopliae, 20 % were up-regulated during initial tick cuticle infection and presumably possess virulence-related roles. These up-regulated BGCs include known clusters, such as destruxin, NG39x and ferricrocin, together with putative helvolic acid and, pseurotin and tropolone/citrinin-related compound clusters as well as uncharacterized clusters. Furthermore, several previously characterized and putative BGCs were silent or down-regulated in initial infection conditions, indicating minor participation over the course of infection. Interestingly, several up-regulated BGCs were not conserved in host-specialist species from the Metarhizium genus, indicating differences in the metabolic strategies employed by generalist and specialist species to overcome and kill their host. These differences in metabolic potential may have been partially shaped by horizontal gene transfer (HGT) events, as our phylogenetic analysis provided evidence that the putative helvolic acid cluster in Metarhizium spp. originated from an HGT event. Conclusions Several unknown BGCs are described, and aspects of their organization, regulation and origin are discussed, providing further support for the impact of SM on the Metarhizium genus lifestyle and infection process. Electronic supplementary material The online version of this article (doi:10.1186/s12864-016-3067-6) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Nicolau Sbaraini
- Rede Avançada em Biologia Computacional, RABICÓ, Petrópolis, RJ, Brazil.,Centro de Biotecnologia, Programa de Pós-graduação em Biologia Celular e Molecular, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Rafael Lucas Muniz Guedes
- Rede Avançada em Biologia Computacional, RABICÓ, Petrópolis, RJ, Brazil.,Laboratório Nacional de Computação Científica, LNCC, Petrópolis, RJ, Brazil
| | - Fábio Carrer Andreis
- Rede Avançada em Biologia Computacional, RABICÓ, Petrópolis, RJ, Brazil.,Centro de Biotecnologia, Programa de Pós-graduação em Biologia Celular e Molecular, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Ângela Junges
- Rede Avançada em Biologia Computacional, RABICÓ, Petrópolis, RJ, Brazil.,Centro de Biotecnologia, Programa de Pós-graduação em Biologia Celular e Molecular, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Guilherme Loss de Morais
- Rede Avançada em Biologia Computacional, RABICÓ, Petrópolis, RJ, Brazil.,Centro de Biotecnologia, Programa de Pós-graduação em Biologia Celular e Molecular, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.,Laboratório Nacional de Computação Científica, LNCC, Petrópolis, RJ, Brazil
| | - Marilene Henning Vainstein
- Rede Avançada em Biologia Computacional, RABICÓ, Petrópolis, RJ, Brazil.,Centro de Biotecnologia, Programa de Pós-graduação em Biologia Celular e Molecular, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Ana Tereza Ribeiro de Vasconcelos
- Rede Avançada em Biologia Computacional, RABICÓ, Petrópolis, RJ, Brazil.,Laboratório Nacional de Computação Científica, LNCC, Petrópolis, RJ, Brazil
| | - Augusto Schrank
- Rede Avançada em Biologia Computacional, RABICÓ, Petrópolis, RJ, Brazil. .,Centro de Biotecnologia, Programa de Pós-graduação em Biologia Celular e Molecular, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS, Brazil.
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