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Honokiol reduces fungal burden and ameliorate inflammation lesions of Aspergillus fumigatus keratitis via Dectin-2 down-regulation
CONCLUSIONS: Honokiol possesses anti-fungal and anti-inflammatory effects in Aspergillus fumigatus keratitis and may develop a potential and safe therapeutic modality for FK.PMID:36933490 | DOI:10.1016/j.intimp.2023.109849
Source: International Immunopharmacology - March 18, 2023 Category: Allergy & Immunology Authors: Lu Zhan Xue Tian Jing Lin Yingxue Zhang Hengrui Zheng Xudong Peng Guiqiu Zhao Source Type: research

Glabridin Inhibits < em > Aspergillus fumigatus < /em > Growth and Alleviate Inflammation Mediated by Dectin-2 and NLRP3 Inflammasome
CONCLUSION: Glabridin plays an anti-inflammatory role in A. fumigatus challenge via suppression of the Dectin-2 and NLRP3 inflammasome, and plays an anti-fungal role through delaying germination and changing the hyphal integrity.KEY MESSAGESGlabridin plays an anti-inflammatory role in A. fumigatus infection of RAW264.7 cells in a concentration-dependent manner and through Dectin-2 mediation.Glabridin decreases fungal distribution and inflammation in mouse A. fumigatus keratitis.Glabridin inhibits A. fumigatus growth by delaying germination and disrupting cellular structure in vitro.PMID:36785524 | DOI:10.1080/02713683.2022.2164779
Source: Current Eye Research - February 14, 2023 Category: Opthalmology Authors: Lu Zhan Xue Tian Jing Lin Xudong Peng Guiqiu Zhao Source Type: research

Dimethyl fumarate ameliorates fungal keratitis by limiting fungal growth and inhibiting pyroptosis
CONCLUSION: DMF limits fungal growth by suppressing biofilm formation, conidial adherence and respiratory metabolism. It also exerts an anti-inflammatory effect on fungal keratitis by inhibiting pyroptosis, which could be regulated by Nrf2. Our results suggest that DMF plays a therapeutic role in fungal keratitis.PMID:36641891 | DOI:10.1016/j.intimp.2023.109721
Source: International Immunopharmacology - January 15, 2023 Category: Allergy & Immunology Authors: Lingwen Gu Jing Lin Qian Wang Lina Zhang Min Yin Hao Lin Hengrui Zheng Guiqiu Zhao Cui Li Source Type: research

Galectin-3 plays an important pro-inflammatory role in A. fumigatus keratitis by recruiting neutrophils and activating p38 in neutrophils
CONCLUSION: These data proved that A. fumigatus increased Gal-3 expression and elevated disease clinical scores, PMNs infiltration and cytokines expression through Gal-3. In PMNs, A. fumigatus upregulated IL-1β and IL-6 secretion through the Gal-3 / p38 pathway.PMID:33933850 | DOI:10.1016/j.intimp.2021.107706
Source: International Immunopharmacology - May 2, 2021 Category: Allergy & Immunology Authors: Yawen Niu Jing Lin Cui Li Xudong Peng Nan Jiang Qiang Xu Min Yin Hao Lin Lingwen Gu Guiqiu Zhao Source Type: research

GSDMD, an executor of pyroptosis, is involved in IL-1 β secretion in Aspergillus fumigatus keratitis.
GSDMD, an executor of pyroptosis, is involved in IL-1β secretion in Aspergillus fumigatus keratitis. Exp Eye Res. 2020 Dec 03;:108375 Authors: Zhao W, Yang H, Lyu L, Zhang J, Xu Q, Jiang N, Liu G, Wang L, Yan H, Che C Abstract The protein GSDMD is an important performer of pyroptosis and a universal substrate for the inflammatory caspase. However, the role and regulatory mechanism of GSDMD in Aspergillus fumigatus keratitis is remains unknown. Here we detected GSDMD protein in the cornea of normal and fungal-infected C57BL/6 mice. Human corneal epithelial cell (HCECs) were preincubated with a hydroch...
Source: Experimental Eye Research - December 3, 2020 Category: Opthalmology Authors: Zhao W, Yang H, Lyu L, Zhang J, Xu Q, Jiang N, Liu G, Wang L, Yan H, Che C Tags: Exp Eye Res Source Type: research

The cGAS-STING signaling pathway contributes to the inflammatory response and autophagy in Aspergillus fumigatus keratitis.
In this study, we showed that the cGAS-STING signaling pathway was activated in human corneal epithelial cells (HCECs) and in mouse corneas infected with A. fumigatus. Knockdown of cGAS reduced A. fumigatus-induced production of pro-inflammatory cytokines, including TNF-α, IL-1β, IL-6, and IFN-β. However, reconstruction of cGAS activity restored the inflammatory response in HCECs infected with A. fumigatus. A specific cGAS inhibitor, RU.521, could also significantly inhibit A. fumigatus-induced inflammatory cytokine expression. In addition, we found that cGAS was indispensable for the autophagy flux evoked by A. fumigat...
Source: Experimental Eye Research - November 20, 2020 Category: Opthalmology Authors: Han F, Guo H, Wang L, Zhang Y, Sun L, Dai C, Wu X Tags: Exp Eye Res Source Type: research

Vitamin D reduces autophagy by regulating NF- κB resistance to Aspergillus fumigatus infection.
CONCLUSIONS: Vitamin D deficiency can aggravate the inflammatory damage in the lungs of Aspergillus fumigatus. When the body is sufficient in vitamin D, if the lungs infect Aspergillus fumigatus spores, the body may resist the infection of Aspergillus fumigatus by reducing the expression of NF-κB, inflammatory factors and autophagy. PMID: 32485309 [PubMed - as supplied by publisher]
Source: Gene - May 29, 2020 Category: Genetics & Stem Cells Authors: Hu S, Dai J, Chen X Tags: Gene Source Type: research

PHI-Nets: A Network Resource for Ascomycete Fungal Pathogens to Annotate and Identify Putative Virulence Interacting Proteins and siRNA Targets
Interactions between proteins underlie all aspects of complex biological mechanisms. Therefore, methodologies based on complex network analyses can facilitate identification of promising candidate genes involved in phenotypes of interest and put this information into appropriate contexts. To facilitate discovery and gain additional insights into globally important pathogenic fungi, we have reconstructed computationally inferred interactomes using an interolog and domain-based approach for 15 diverse Ascomycete fungal species, across nine orders, specifically Aspergillus fumigatus, Bipolaris sorokiniana, Blumeria graminis f...
Source: Frontiers in Microbiology - December 5, 2019 Category: Microbiology Source Type: research

Myeloid Derived Suppressor Cells Interactions With Natural Killer Cells and Pro-angiogenic Activities: Roles in Tumor Progression
Conclusions MDSC are major players in the immunosuppressive scenario in cancer, thanks to their phenotype heterogeneity and critical interaction with several innate immune cells, thus representing a crucial target in oncology. Here we reviewed the interactions of MDSCs with NK cells. The contribution of key cytokines, chemokines and mediators active in this process have been discussed. We also described the contribution of MDSC on angiogenesis directly or indirectly through interactions with NK and immunosuppressive activities. A parallel of the cancer associated to the decidual counterpart of these cells is discussed, a...
Source: Frontiers in Immunology - April 17, 2019 Category: Allergy & Immunology Source Type: research

Interactions of thymic stromal lymphopoietin with TLR2 and TLR4 regulate anti-fungal innate immunity in Aspergillus fumigatus-induced corneal infection.
Abstract Thymic stromal lymphopoietin (TSLP) is an interleukin 7 (IL-7)-like four helix bundle cytokine that plays diverse roles in the regulation of immune responses. In fungal infection, pattern recognition receptors (PRRs), including the cell surface Toll-like receptors (TLRs) and cytoplasmic NOD-like receptors, recognize pathogen-associated molecular patterns to initiate downstream signal cascades to active immune responses. Our previous studies reported that, in vitro human cornea epithelium cells represented a novel target of TSLP and that TSLP/TSLPR/STAT5 signaling played an important role in the response t...
Source: Experimental Eye Research - March 6, 2019 Category: Opthalmology Authors: Dai C, Wu J, Chen C, Wu X Tags: Exp Eye Res Source Type: research

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