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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

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

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

HMGB1 mediates Aspergillus fumigatus-induced inflammatory response in alveolar macrophages of COPD mice via activating MyD88/NF- κB and syk/PI3K signalings.
In conclusion, HMGB1 is responsible for A. fumigatus-induced inflammatory response in COPD alveolar macrophage via Dectin-1 and TLR2/4 receptor through activating MyD88/NF-κB and syk/PI3K signalings. PMID: 29078091 [PubMed - as supplied by publisher]
Source: International Immunopharmacology - October 24, 2017 Category: Allergy & Immunology Authors: Zhang P, Xin X, Fang L, Jiang H, Xu X, Su X, Shi Y Tags: Int Immunopharmacol Source Type: research

Dectin-1 is essential for IL-1 β production through JNK activation and apoptosis in Aspergillus fumigatus keratitis.
CONCLUSIONS: Being an important inflammatory PRR to mediate host inflammatory response, Dectin-1 induced IL-1β production is JNK dependent in mouse A. fumigatus keratitis, and suppressed apoptosis mediated anti-inflammatory response. PMID: 28926773 [PubMed - as supplied by publisher]
Source: International Immunopharmacology - September 16, 2017 Category: Allergy & Immunology Authors: Yuan K, Zhao G, Che C, Li C, Lin J, Zhu G, He K Tags: Int Immunopharmacol Source Type: research

A potential link between TSLP/TSLPR/STAT5 and TLR2/MyD88/NFκB-p65 in human corneal epithelial cells for Aspergillus fumigatus tolerance
Publication date: March 2016 Source:Molecular Immunology, Volume 71 Author(s): Xiaoxiao Ren, Leyi Wang, Xinyi Wu Our previous studies reported that pattern recognition receptors (PRRs), including the cell surface Toll-like receptors (TLRs) and cytoplasmic NOD-like receptors (NLRs), recognize pathogen-associated molecular patterns (PAMPS) to initiate downstream signal cascades to active immunity responses. Thymic stromal lymphopoietin (TSLP) has recently emerged as a key cytokine in the development of type 2 adaptive immune responses. However, the crosstalk between PRRs and TSLP has not been well elucidated in Aspergil...
Source: Molecular Immunology - February 12, 2016 Category: Allergy & Immunology Source Type: research

Alternaria Induces Production of Thymic Stromal Lymphopoietin in Nasal Fibroblasts Through Toll-like Receptor 2.
CONCLUSIONS: The results of this study show that TSLP expression could be induced in nasal fibroblasts by exposure to Alternaria and that TLR2 may be involved in the process. The promotion of TSLP production in nasal fibroblasts by airborne fungi may facilitate the development or exacerbation of Th2-type nasal inflammation, especially in CRS with nasal polyps. PMID: 26540503 [PubMed]
Source: Allergy, Asthma and Immunology Research - November 7, 2015 Category: Allergy & Immunology Tags: Allergy Asthma Immunol Res Source Type: research

The crosstalk between TLR2 and NOD2 in Aspergillus fumigatus keratitis
Publication date: April 2015 Source:Molecular Immunology, Volume 64, Issue 2 Author(s): Jiayin Wu , Yuting Zhang , Zhaoting Xin , Xinyi Wu Innate immunity is considered to be critical in the pathogenesis of fungal keratitis. Pattern recognition receptors (PRRs) recognize conserved microbial structures called pathogen-associated molecular patterns (PAMPS), thereby initiating the innate immunity. Toll-like receptors (TLRs) and nucleotide-binding oligomerization domain (NOD)-like receptors (leucine-rich repeat-containing receptors, NLRs) are two major PRR families. The crosstalk between TLR2 and NOD2 is not completely under...
Source: Molecular Immunology - January 1, 2015 Category: Allergy & Immunology Source Type: research