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Fan W, He Y, Su J, Feng Y, Zhuo T, Wang J, Jiao X, Luo Y, Wu J, Geng Y. Effects of leucism on organ development and molecular mechanisms in Northern snakehead (Channa argus) beyond pigmentation alterations. Sci Rep 2023; 13:19689. [PMID: 37952047 PMCID: PMC10640583 DOI: 10.1038/s41598-023-46608-9] [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: 03/25/2023] [Accepted: 11/02/2023] [Indexed: 11/14/2023] Open
Abstract
Leucism, a widespread occurrence observed in Northern snakehead (Channa argus), bestows a striking white jade-like body coloration upon affected individuals and has gained substantial popularity in commercial breeding. While the visible manifestation of leucism in snakeheads is primarily limited to body coloration, it is crucial to explore the potential influence of leucism on organ development and elucidate the underlying molecular mechanisms. Through a comparative analysis of growth differences, our study revealed that at 150 days post-fertilization, the white variety exhibited an 8.5% higher liver index and intestinal index, but experienced a 20% and 38% decreased in spleen index and renal interstitial index, respectively, suggesting an enlarged digestive area but relatively smaller immune tissues. Nonetheless, no significant differences were observed in the intestinal flora between the two varieties, suggesting the exclusion of any exogenous impacts from symbiotic flora on the growth and development of the white variety. Importantly, transcriptome analysis demonstrated that the white variety exhibited higher expression levels of innate immune genes. Furthermore, annotation of the gene sets expressed in the liver and spleen revealed 76 and 35 genes respectively, with the white variety displaying lower expression in genes associated with "Viral protein interaction with cytokine and cytokine receptor", "Protein processing in endoplasmic reticulum", and "TNF signaling pathway", while exhibiting higher expression in "Estrogen signaling pathway". Notably, three genes, namely pcdhf 4, nlrc3 card 15-like, and a pol-like were identified in both the liver and spleen, indicating their potential involvement in altering the development and innate immunity of the white variety. This study reveals the systemic impact of leucism that extends beyond mere pigmentation alterations, highlighting the prominent characteristics of this phenotype and providing a foundation for future molecular breeding programs aimed at enhancing this variety.
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Affiliation(s)
- Wei Fan
- College of Veterinary Medicine, Sichuan Agricultural University, Huimin Street No. 211, Wenjiang, 611130, Sichuan, People's Republic of China
- NeiJiang Academy of Agricultural Sciences, Neijiang, 641000, Sichuan, People's Republic of China
| | - Yang He
- Key Laboratory of Sichuan Province for Fishes Conservation and Utilization in the Upper Reaches of the Yangtze River/College of Life Sciences, Neijiang Normal University, Neijiang, 641000, Sichuan, People's Republic of China
| | - Jian Su
- NeiJiang Academy of Agricultural Sciences, Neijiang, 641000, Sichuan, People's Republic of China
| | - Yang Feng
- College of Veterinary Medicine, Sichuan Agricultural University, Huimin Street No. 211, Wenjiang, 611130, Sichuan, People's Republic of China
| | - Ting Zhuo
- NeiJiang Academy of Agricultural Sciences, Neijiang, 641000, Sichuan, People's Republic of China
| | - Jun Wang
- Key Laboratory of Sichuan Province for Fishes Conservation and Utilization in the Upper Reaches of the Yangtze River/College of Life Sciences, Neijiang Normal University, Neijiang, 641000, Sichuan, People's Republic of China
| | - Xiaolei Jiao
- NeiJiang Academy of Agricultural Sciences, Neijiang, 641000, Sichuan, People's Republic of China
| | - Yu Luo
- NeiJiang Academy of Agricultural Sciences, Neijiang, 641000, Sichuan, People's Republic of China
| | - Jun Wu
- NeiJiang Academy of Agricultural Sciences, Neijiang, 641000, Sichuan, People's Republic of China
| | - Yi Geng
- College of Veterinary Medicine, Sichuan Agricultural University, Huimin Street No. 211, Wenjiang, 611130, Sichuan, People's Republic of China.
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Shi S, Wang J, Liu C, Zheng L. Alleviative effects of quercetin of Botrytis cinerea-induced toxicity in zebrafish (Danio rerio) larvae. FISH & SHELLFISH IMMUNOLOGY 2023; 142:109146. [PMID: 37832747 DOI: 10.1016/j.fsi.2023.109146] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 10/04/2023] [Accepted: 10/04/2023] [Indexed: 10/15/2023]
Abstract
Quercetin is a kind of flavonoid substance extensively existing in the plant, which has antioxidant, anti-inflammatory, and anti-apoptosis effects. It was reported that the higher concentration of spores present in the environment could cause abnormal development in zebrafish larvae. Therefore, this study set out to investigate whether quercetin could reduce the zebrafish larvae damage caused by Botrytis cinerea exposure as well as to examine the molecular basis for this action. The findings demonstrated that 50 μM quercetin improved the developmental dysplasia of zebrafish larvae induced by 102 CFU/mL Botrytis cinerea spore suspension, reduced abnormal apoptosis, enhanced antioxidant system, relieved inflammation, reshaped intestinal morphology and recovered intestinal motility. At the molecular level, quercetin decreased the transcriptional abundance of pro-apoptotic factors (bax, p53, caspase3, and caspase9) and up-regulated the anti-apoptotic gene (bcl-2) expression to reduce apoptosis. Moreover, quercetin enhanced the activities of downstream antioxidant enzymes (SOD and CAT) to clear excess ROS and MDA due to Botrytis cinerea exposure by up-regulating the expression of antioxidant genes (nrf2, ho-1, sod, and cat) in the Keap1-Nrf2 pathway. Additionally, quercetin inhibited the elevation of TNF-α by regulating the gene expression of key targets (jak3, pi3k, pdk1, akt, and ikk2) and the content of major proteins NF-κB (P65) and IκB in the NF-κB pathway. In conclusion, this work enriched the contents of the biological research of Botrytis cinerea and provided a new direction for the drug development and targeted therapy of quercetin.
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Affiliation(s)
- Shengnan Shi
- Engineering Research Center of Bio-Process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Ju Wang
- Engineering Research Center of Bio-Process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Changhong Liu
- Engineering Research Center of Bio-Process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China.
| | - Lei Zheng
- Engineering Research Center of Bio-Process, Ministry of Education, School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China; Intelligent Interconnected Systems Laboratory of Anhui Province, Hefei University of Technology, Hefei, 230009, China.
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Ho TY, Lo HY, Lu GL, Liao PY, Hsiang CY. Analysis of target organs of Houttuynia cordata: A study on the anti-inflammatory effect of upper respiratory system. JOURNAL OF ETHNOPHARMACOLOGY 2023:116687. [PMID: 37244408 DOI: 10.1016/j.jep.2023.116687] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 05/23/2023] [Accepted: 05/24/2023] [Indexed: 05/29/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Houttuynia cordata Thunb. (HC) is a traditional anti-pyretic herb that is classified as the lung meridian in traditional Chinese medicine. However, no articles have explored the main organs responsible for the anti-inflammatory activities of HC. AIM OF THE STUDY The aim of the study was to investigate the meridian tropism theory of HC in lipopolysaccharide (LPS)-induced pyretic mice, as well as to identify the underlying mechanisms. MATERIALS AND METHODS Transgenic mice carrying the luciferase gene driven by nuclear factor-κB (NF-κB) were intraperitoneally injected with LPS and orally administered standardized concentrated HC aqueous extract. The phytochemicals present in the HC extract were analyzed using high-performance liquid chromatography. In vivo and ex vivo luminescent imaging from transgenic mice was used to investigate the meridian tropism theory and anti-inflammatory effects of HC. Microarray analysis of gene expression patterns was used to elucidate the therapeutic mechanisms of HC. RESULTS HC extract was found to contain phenolic acids, such as protocatechuic acid (4.52%) and chlorogenic acid (8.12%), as well as flavonoids like rutin (2.05%) and quercitrin (7.73%). The bioluminescent intensities induced by LPS in the heart, liver, respiratory system, and kidney were significantly suppressed by HC, while the maximal decrease (about 90% reduction) of induced luminescent intensity was observed in the upper respiratory tract. These data suggested that upper respiratory system might be the target for HC anti-inflammatory abilities. HC affected the processes involved in innate immunity, such as chemokine-mediated signaling pathway, inflammatory response, chemotaxis, neutrophil chemotaxis, and cellular response to interleukin-1 (IL-1). Moreover, HC significantly reduced the proportions of p65-stained cells and the amount of IL-1β in trachea tissues. CONCLUSION Bioluminescent imaging coupled with gene expression profile was used to demonstrate the organ selectivity, anti-inflammatory effects, and therapeutic mechanisms of HC. Our data demonstrated for the first time that HC displayed lung meridian-guiding effects and exhibited great anti-inflammatory potential in the upper respiratory tract. The NF-κB and IL-1β pathways were associated with the anti-inflammatory mechanism of HC against LPS-provoked airway inflammation. Moreover, chlorogenic acid and quercitrin might be involved in the anti-inflammatory properties of HC.
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Affiliation(s)
- Tin-Yun Ho
- Graduate Institute of Chinese Medicine, China Medical University, Taichung, 404333, Taiwan; Department of Health and Nutrition Biotechnology Asia University, Taichung, 413305, Taiwan
| | - Hsin-Yi Lo
- Graduate Institute of Chinese Medicine, China Medical University, Taichung, 404333, Taiwan
| | - Guan-Ling Lu
- Department of Microbiology and Immunology, China Medical University, Taichung, 404333, Taiwan
| | - Pei-Yung Liao
- Graduate Institute of Chinese Medicine, China Medical University, Taichung, 404333, Taiwan; Division of Endocrinology and Metabolism, Department of Internal Medicine, Changhua Christian Hospital, Changhua, 500209, Taiwan
| | - Chien-Yun Hsiang
- Department of Microbiology and Immunology, China Medical University, Taichung, 404333, Taiwan.
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Liao PY, Lo HY, Liu IC, Lo LC, Hsiang CY, Ho TY. A gastro-resistant peptide from Momordica charantia improves diabetic nephropathy in db/ db mice via its novel reno-protective and anti-inflammatory activities. Food Funct 2022; 13:1822-1833. [PMID: 35083999 DOI: 10.1039/d1fo02788c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Diabetic nephropathy (DN), a principal diabetic microvascular complication, is a chronic inflammatory immune disorder. A gastro-resistant peptide mcIRBP-9 from Momordica charantia has shown modulation of blood glucose homeostasis in diabetic mice. Here we conducted a long-term experiment to evaluate the therapeutic effects and mechanisms of mcIRBP-9 on DN. Type 2 diabetic mice (db/db mice) were orally given mcIRBP-9 once daily for 12 consecutive weeks. The amelioration of DN was evaluated by renal function indexes, vascular leakage, and pathological lesions. Possible effective mechanisms of mcIRBP-9 on DN were analyzed by gene expression profiles. A pharmacokinetic study in rats was carried out to evaluate the oral bioavailability of mcIRBP-9. Our data showed that mcIRBP-9 was able to enter systemic circulation in rats after oral administration. In comparison with mock, long-term administration of mcIRBP-9 significantly decreased blood glucose (572.25 ± 1.55 mg dL-1vs. 213.50 ± 163.39 mg dL-1) and HbA1c levels (13.58 ± 0.30% vs. 8.23 ± 2.98%) and improved the survival rate (85.7% vs. 100%) in diabetic mice. mcIRBP-9 ameliorated DN by reducing renal vascular leakage and histopathological changes. mcIRBP-9 altered the pathways involved in inflammatory and immune responses, and the nuclear factor-κB played a central role in the regulation of mcIRBP-9-affected pathways. Moreover, mcIRBP-9 improved the inflammatory characteristic of DN in diabetic and non-diabetic mice. In conclusion, mcIRBP-9 displayed a novel anti-inflammatory activity and exhibited a reno-protective ability in addition to controlling the blood glucose and HbA1c levels. These findings suggested the role of mcIRBP-9 from M. charantia as a nutraceutical agent for diabetes and subsequent DN.
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Affiliation(s)
- Pei-Yung Liao
- Graduate Institute of Chinese Medicine, China Medical University, Taichung 404333, Taiwan. .,Division of Endocrinology and Metabolism, Department of Internal Medicine, Changhua Christian Hospital, Changhua 500209, Taiwan
| | - Hsin-Yi Lo
- Graduate Institute of Chinese Medicine, China Medical University, Taichung 404333, Taiwan.
| | - I-Chen Liu
- Graduate Institute of Chinese Medicine, China Medical University, Taichung 404333, Taiwan.
| | - Lun-Chien Lo
- School of Chinese Medicine, China Medical University, Taichung 404333, Taiwan
| | - Chien-Yun Hsiang
- Department of Microbiology and Immunology, China Medical University, Taichung 404333, Taiwan.
| | - Tin-Yun Ho
- Graduate Institute of Chinese Medicine, China Medical University, Taichung 404333, Taiwan. .,Department of Health and Nutrition Biotechnology, Asia University, Taichung 413305, Taiwan
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Liao PY, Lo HY, Liu IC, Lo LC, Hsiang CY, Ho TY. The novel anti-inflammatory activity of mcIRBP from Momordica charantia is associated with the improvement of diabetic nephropathy. Food Funct 2022; 13:1268-1279. [DOI: 10.1039/d1fo03620c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Diabetic nephropathy is an inflammatory immune disorder accompanying diabetes.
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Affiliation(s)
- Pei-Yung Liao
- Graduate Institute of Chinese Medicine, China Medical University, Taichung 40402, Taiwan
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Changhua Christian Hospital, Changhua 50006, Taiwan
| | - Hsin-Yi Lo
- Graduate Institute of Chinese Medicine, China Medical University, Taichung 40402, Taiwan
| | - I-Chen Liu
- Graduate Institute of Chinese Medicine, China Medical University, Taichung 40402, Taiwan
| | - Lun-Chien Lo
- School of Chinese Medicine, China Medical University, Taichung 40402, Taiwan
| | - Chien-Yun Hsiang
- Department of Microbiology and Immunology, China Medical University, Taichung 40402, Taiwan
| | - Tin-Yun Ho
- Graduate Institute of Chinese Medicine, China Medical University, Taichung 40402, Taiwan
- Department of Health and Nutrition Biotechnology, Asia University, Taichung 41354, Taiwan
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Jadi PK, Sharma P, Bhogapurapu B, Roy S. Alternative Therapeutic Interventions: Antimicrobial Peptides and Small Molecules to Treat Microbial Keratitis. Front Chem 2021; 9:694998. [PMID: 34458234 PMCID: PMC8386189 DOI: 10.3389/fchem.2021.694998] [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: 04/19/2021] [Accepted: 07/02/2021] [Indexed: 01/10/2023] Open
Abstract
Microbial keratitis is a leading cause of blindness worldwide and results in unilateral vision loss in an estimated 2 million people per year. Bacteria and fungus are two main etiological agents that cause corneal ulcers. Although antibiotics and antifungals are commonly used to treat corneal infections, a clear trend with increasing resistance to these antimicrobials is emerging at rapid pace. Extensive research has been carried out to determine alternative therapeutic interventions, and antimicrobial peptides (AMPs) are increasingly recognized for their clinical potential in treating infections. Small molecules targeted against virulence factors of the pathogens and natural compounds are also explored to meet the challenges and growing demand for therapeutic agents. Here we review the potential of AMPs, small molecules, and natural compounds as alternative therapeutic interventions for the treatment of corneal infections to combat antimicrobial resistance. Additionally, we have also discussed about the different formats of drug delivery systems for optimal administration of drugs to treat microbial keratitis.
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Affiliation(s)
- Praveen Kumar Jadi
- Prof, Brien Holden Eye Research Centre, LV Prasad Eye Institute, Hyderabad, India
| | - Prerana Sharma
- Prof, Brien Holden Eye Research Centre, LV Prasad Eye Institute, Hyderabad, India
- Department of Animal Sciences, University of Hyderabad, Hyderabad, India
| | - Bharathi Bhogapurapu
- Prof, Brien Holden Eye Research Centre, LV Prasad Eye Institute, Hyderabad, India
| | - Sanhita Roy
- Prof, Brien Holden Eye Research Centre, LV Prasad Eye Institute, Hyderabad, India
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Tan Y, Tam CC, Rolston M, Alves P, Chen L, Meng S, Hong H, Chang SKC, Yokoyama W. Quercetin Ameliorates Insulin Resistance and Restores Gut Microbiome in Mice on High-Fat Diets. Antioxidants (Basel) 2021; 10:antiox10081251. [PMID: 34439499 PMCID: PMC8389224 DOI: 10.3390/antiox10081251] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 07/31/2021] [Accepted: 08/03/2021] [Indexed: 12/19/2022] Open
Abstract
Quercetin is a flavonoid that has been shown to have health-promoting capacities due to its potent antioxidant activity. However, the effect of chronic intake of quercetin on the gut microbiome and diabetes-related biomarkers remains unclear. Male C57BL/6J mice were fed HF or HF supplemented with 0.05% quercetin (HFQ) for 6 weeks. Diabetes-related biomarkers in blood were determined in mice fed high-fat (HF) diets supplemented with quercetin. Mice fed the HFQ diet gained less body, liver, and adipose weight, while liver lipid and blood glucose levels were also lowered. Diabetes-related plasma biomarkers insulin, leptin, resistin, and glucagon were significantly reduced by quercetin supplementation. In feces, quercetin supplementation significantly increased the relative abundance of Akkermansia and decreased the Firmicutes/Bacteroidetes ratio. The expression of genes Srebf1, Ppara, Cyp51, Scd1, and Fasn was downregulated by quercetin supplementation. These results indicated that diabetes biomarkers are associated with early metabolic changes accompanying obesity, and quercetin may ameliorate insulin resistance.
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Affiliation(s)
- Yuqing Tan
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agriculture University, Beijing 100083, China;
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA 94710, USA; (P.A.); (L.C.); (W.Y.)
| | - Christina C. Tam
- Foodborne Toxins Detection and Prevention Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA 94710, USA;
| | - Matt Rolston
- Host Microbe Systems Biology Core, University of California, One Shields Avenue, Davis, CA 95616, USA;
| | - Priscila Alves
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA 94710, USA; (P.A.); (L.C.); (W.Y.)
| | - Ling Chen
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA 94710, USA; (P.A.); (L.C.); (W.Y.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Shi Meng
- Nestlé R & D (China) Ltd., Beijing 100015, China
- Key Research Laboratory of Agro-Products Processing, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Correspondence: (S.M.); (H.H.)
| | - Hui Hong
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agriculture University, Beijing 100083, China;
- Correspondence: (S.M.); (H.H.)
| | - Sam K. C. Chang
- Experimental Seafood Processing Laboratory, Costal Research and Extension Center, Mississippi State University, Biloxi, MS 39579, USA;
| | - Wallace Yokoyama
- Healthy Processed Foods Research Unit, Agricultural Research Service, United States Department of Agriculture, Albany, CA 94710, USA; (P.A.); (L.C.); (W.Y.)
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Yin J, Peng X, Lin J, Zhang Y, Zhang J, Gao H, Tian X, Zhang R, Zhao G. Quercetin amelioratesAspergillus fumigatuskeratitis by inhibiting fungal growth, toll-like receptors and inflammatory cytokines. Int Immunopharmacol 2021; 93:107435. [PMID: 33550031 DOI: 10.1016/j.intimp.2021.107435] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 01/23/2021] [Accepted: 01/24/2021] [Indexed: 02/08/2023]
Abstract
PURPOSE To investigate the antifungal and anti-inflammatory effects of quercetin on Aspergillus fumigatus (A. fumigatus) keratitis. METHODS Human corneal epithelial cells (HCECs) and C57BL/6 mice were stimulated by A. fumigatus and treated with quercetin or dimethyl sulfoxide (DMSO) after infection. In HCECs, minimum inhibitory concentration (MIC) and cytotoxicity tests (CCK-8) were used to detect the antifungal effect and cytotoxicity of quercetin. In mice with A. fumigatuskeratitis, clinical score, plate counting and hematoxylin-eosin (HE) staining were performed to evaluate the effects of quercetin in vivo. Myeloperoxidase (MPO) assay and immunofluorescence staining were applied to assess neutrophil recruitment and infiltration. Real time PCR (RT-PCR), enzyme-linked immunosorbent assay (ELISA) and western blot were used to detect the mRNA and protein expressions of inflammatory mediators. RESULTS Compared with DMSO control, quercetin (16-64 μM) significantly inhibited the growth of A. fumigatus in a concentration-dependent manner without affecting cell viability in HCECs. In corneas of mice with A. fumigatuskeratitis, quercetin decreased clinical score and fungal load, and reduced neutrophil recruitment and infiltration to the corneal stroma. Moreover, quercetin attenuated the expression of inflammatory mediators including toll-like receptor-4 (TLR-4), TLR-2, interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α) and high mobility group box 1 (HMGB1) in vitro and in vivo. CONCLUSIONS Our study demonstrated that quercetin treatment can ameliorate A. fumigatus keratitis by inhibiting the growth of A. fumigatus, decreasing neutrophil recruitment and infiltration, and downregulating the productions of TLR-4, TLR-2, TNF-α, IL-1β and HMGB1, indicating quercetin is likely to become a potential therapeutic agent in FK treatment.
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Affiliation(s)
- Jiao Yin
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, NO. 16 Jiangsu Road, Qingdao, Shandong Province 266000, China
| | - Xudong Peng
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, NO. 16 Jiangsu Road, Qingdao, Shandong Province 266000, China.
| | - Jing Lin
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, NO. 16 Jiangsu Road, Qingdao, Shandong Province 266000, China
| | - Yingxue Zhang
- Department of Biochemistry, Microbiology and Immunology, Wayne State University School of Medicine, Detroit, MI 48201, USA.
| | - Jie Zhang
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, NO. 16 Jiangsu Road, Qingdao, Shandong Province 266000, China
| | - Han Gao
- Department of Ophthalmology, Qingdao Central Hospital, NO. 127 Siliu South Road, Qingdao, Shandong Province 266042, China
| | - Xue Tian
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, NO. 16 Jiangsu Road, Qingdao, Shandong Province 266000, China
| | - Ranran Zhang
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, NO. 16 Jiangsu Road, Qingdao, Shandong Province 266000, China
| | - Guiqiu Zhao
- Department of Ophthalmology, The Affiliated Hospital of Qingdao University, NO. 16 Jiangsu Road, Qingdao, Shandong Province 266000, China.
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