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Jian C, Wang M, Qian Y, Song X, Wang L, Li L, Huang L, Wang G, Shi X, Dong J, Li H, Lin A, Shi L. A TLR4-Targeting Bioactive Peptide Hydrogel to Regulate Immune-Microenvironment for Diabetic Wound Repair. Adv Healthc Mater 2024; 13:e2400391. [PMID: 38568683 DOI: 10.1002/adhm.202400391] [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: 01/31/2024] [Revised: 03/29/2024] [Indexed: 04/13/2024]
Abstract
Persistent inflammation and disrupted immunoregulation are critical factors in impeding diabetic wound healing. While immunoregulatory hydrogel dressings hold significant promise for clinical applications in diabetic wound healing, the current application often demands intricate interventions and high-cost treatments involving cytokines and cell therapies. The development of single component immunoregulatory hydrogels remains a complex challenge. To address this issue, an active peptide hydrogel with immunoregulatory properties targeting the TLR4/NF-kB pathway, aiming to promote rapid diabetic wound healing, is engineered. The hydrogel sequence comprises naphthalene derivative, phenylalanine, and glycine to modulate hydrophilic/hydrophobic characteristics. The amino group on arginine contributes to tissue adhesion and regulation of intermolecular forces, ultimately yielding stable gels. The results underscore the formation of the peptide hydrogel (NFA) via the physical crosslinking of self-assembled nanofibers in water, thereby affording both excellent injectability and tissue adhesion. Notably, NFA demonstrates significant potential in promoting wound healing in a mouse model with full-thickness wounds by regulating macrophage responses in the inflammatory microenvironment through the TLR4/NF-kB pathway.
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Affiliation(s)
- Chuanjiang Jian
- The Eighth Affiliated Hospital Sun Yat-sen University, 3025 Shennan Middle Road, Shenzhen, 518000, China
| | - Minjia Wang
- The Eighth Affiliated Hospital Sun Yat-sen University, 3025 Shennan Middle Road, Shenzhen, 518000, China
| | - Yunyun Qian
- Department of Organ Transplantation, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361005, China
| | - Xuejiao Song
- The Eighth Affiliated Hospital Sun Yat-sen University, 3025 Shennan Middle Road, Shenzhen, 518000, China
| | - Li Wang
- Precision Research Center for Refractory Diseases in Shanghai General Hospital, Shanghai Key Laboratory of Pancreatic Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
| | - Ling Li
- The Eighth Affiliated Hospital Sun Yat-sen University, 3025 Shennan Middle Road, Shenzhen, 518000, China
| | - Lulu Huang
- Vaccine Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Guan Wang
- Department of Immunology, College of Basic Medical Science, Dalian Medical University, Dalian, Liaoning, 116044, China
| | - Xianjie Shi
- The Eighth Affiliated Hospital Sun Yat-sen University, 3025 Shennan Middle Road, Shenzhen, 518000, China
| | - Jinqiao Dong
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Hao Li
- Department of Organ Transplantation, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, Xiamen, Fujian, 361005, China
| | - Ang Lin
- Vaccine Center, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, 211198, China
| | - Leilei Shi
- Precision Research Center for Refractory Diseases in Shanghai General Hospital, Shanghai Key Laboratory of Pancreatic Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
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Li X, Yin L, Liao J, Yang J, Cai B, Yu Y, Su S, Du Z, Li X, Zhou Y, Chen P, Cho WJ, Chattipakorn N, Samorodov AV, Pavlov VN, Zhang F, Liang G, Tang Q. Novel O-benzylcinnamic acid derivative L26 treats acute lung injury in mice by MD-2. Eur J Med Chem 2023; 252:115289. [PMID: 36963290 DOI: 10.1016/j.ejmech.2023.115289] [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: 01/27/2023] [Revised: 03/07/2023] [Accepted: 03/14/2023] [Indexed: 03/19/2023]
Abstract
Acute lung injury (ALI) is an inflammation-mediated respiratory disease that is associated with a high mortality rate. In this study, a series of novel O-benzylcinnamic acid derivatives were designed and synthesized using cinnamic acid as the lead compound. We tested the preliminary anti-inflammatory activity of the compounds by evaluating their effect on inhibiting the activity of alkaline phosphatase (ALP) in Hek-Blue-TLR4 cells, in which compound L26 showed the best activity and 7-fold more active than CIN. ELISA, immunoprecipitation, and molecular docking indicated that L26 targeted MD-2 protein and competed with LPS to bind to MD-2, which resulted in the inhibition of inflammation. In the LPS-induced mouse model of ALI, L26 was found to decrease ALP activity and inflammatory cytokine TNF-α release to reduce lung injury by inhibiting the NF-κB signaling pathway. Acute toxicity experiments showed that high doses of L26 did not cause adverse reactions in mice, and it was safe in vivo. Also, the preliminary pharmacokinetic parameters of L26 were investigated in SD rats (T1/2 = 4.246 h). In summary, L26 exhibited optimal pharmacodynamic and pharmacokinetic characteristics, which suggested that L26 could serve as a potential agent for the development of ALI treatment.
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Affiliation(s)
- Xiang Li
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325024, Zhejiang, China
| | - Lina Yin
- School of Pharmacy, Hangzhou Medical College, Hangzhou, 311399, Zhejiang, China
| | - Jing Liao
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Jun Yang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Binhao Cai
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Yiming Yu
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Sijia Su
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Zhiteng Du
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Xiaobo Li
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Ying Zhou
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China
| | - Pan Chen
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China; College of Pharmacy, Chonnam National University, Gwangju, 61186, South Korea
| | - Won-Jea Cho
- College of Pharmacy, Chonnam National University, Gwangju, 61186, South Korea
| | - Nipon Chattipakorn
- Cardiac Electrophysiology Research and Training Center, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand
| | - Aleksandr V Samorodov
- Department of Pharmacology, Bashkir State Medical University, Ufa City, 450005, Russia
| | - Valentin N Pavlov
- Department of Pharmacology, Bashkir State Medical University, Ufa City, 450005, Russia
| | - Fengzhi Zhang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China.
| | - Guang Liang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325024, Zhejiang, China; School of Pharmacy, Hangzhou Medical College, Hangzhou, 311399, Zhejiang, China.
| | - Qidong Tang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, 325035, Zhejiang, China; Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, 325024, Zhejiang, China.
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Bartens MC, Gibson AJ, Etherington GJ, Di Palma F, Holder A, Werling D, Willcocks S. Single Nucleotide Polymorphisms in the Bovine TLR2 Extracellular Domain Contribute to Breed and Species-Specific Innate Immune Functionality. Front Immunol 2022; 12:764390. [PMID: 35003078 PMCID: PMC8732954 DOI: 10.3389/fimmu.2021.764390] [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] [Received: 08/25/2021] [Accepted: 11/26/2021] [Indexed: 11/13/2022] Open
Abstract
Recent evidence suggests that several cattle breeds may be more resistant to infection with the zoonotic pathogen Mycobacterium bovis. Our data presented here suggests that the response to mycobacterial antigens varies in macrophages generated from Brown Swiss (BS) and Holstein Friesian (HF) cattle, two breeds belonging to the Bos taurus family. Whole genome sequencing of the Brown Swiss genome identified several potential candidate genes, in particular Toll-like Receptor-2 (TLR2), a pattern recognition receptor (PRR) that has previously been described to be involved in mycobacterial recognition. Further investigation revealed single nucleotide polymorphisms (SNP) in TLR2 that were identified between DNA isolated from cells of BS and HF cows. Interestingly, one specific SNP, H326Q, showed a different genotype frequency in two cattle subspecies, Bos (B.) taurus and Bos indicus. Cloning of the TLR2 gene and subsequent gene-reporter and chemokine assays revealed that this SNP, present in BS and Bos indicus breeds, resulted in a significantly higher response to mycobacterial antigens as well as tri-acylated lipopeptide ligands in general. Comparing wild-type and H326Q containing TLR2 responses, wild-type bovine TLR2 response showed clear, diminished mycobacterial antigen responses compared to human TLR2, however bovine TLR2 responses containing H326Q were found to be partially recovered compared to human TLR2. The creation of human:bovine TLR2 chimeras increased the response to mycobacterial antigens compared to the full-length bovine TLR2, but significantly reduced the response compared to the full-length human TLR2. Thus, our data, not only present evidence that TLR2 is a major PRR in the mammalian species-specific response to mycobacterial antigens, but furthermore, that there are clear differences between the response seen in different cattle breeds, which may contribute to their enhanced or reduced susceptibility to mycobacterial infection.
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Affiliation(s)
- Marie-Christine Bartens
- Molecular Immunology Group, Centre for Vaccinology and Regenerative Medicine, Department of Pathobiology and Population Science, Royal Veterinary College, Hatfield, United Kingdom.,Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom
| | - Amanda J Gibson
- Molecular Immunology Group, Centre for Vaccinology and Regenerative Medicine, Department of Pathobiology and Population Science, Royal Veterinary College, Hatfield, United Kingdom
| | | | - Federica Di Palma
- Genome British Columbia, Vancouver, BC, Canada.,Department of Biological Sciences, University of East Anglia, Norwich, United Kingdom
| | - Angela Holder
- Molecular Immunology Group, Centre for Vaccinology and Regenerative Medicine, Department of Pathobiology and Population Science, Royal Veterinary College, Hatfield, United Kingdom
| | - Dirk Werling
- Molecular Immunology Group, Centre for Vaccinology and Regenerative Medicine, Department of Pathobiology and Population Science, Royal Veterinary College, Hatfield, United Kingdom
| | - Sam Willcocks
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, United Kingdom
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Ao D, Xia P, Jiang S, Chen N, Meurens F, Zhu J. Comparative transcriptome analysis of TLR8 signaling cells revealed the porcine TLR8 specific differentially expressed genes. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2019; 98:129-136. [PMID: 31077691 DOI: 10.1016/j.dci.2019.05.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 05/05/2019] [Accepted: 05/07/2019] [Indexed: 06/09/2023]
Abstract
TLRs are the first discovered family of pattern recognition receptors (PRRs). They recognize pathogen associated molecular patterns (PAMPs) and initiate protective immune response. TLR8 as the main endolysosomal TLR, has recently regained attention especially for its structure and function. We previously found TLR8 exhibits species-specific activation by TLR7 specific agonist, Imiquimod (R837). Thus, we next initiated the identification of porcine TLR8 (pTLR8) specific downstream differentially expressed genes (DEGs) by parallel transcriptome analysis of porcine TLR8 and human TLR8 (hTLR8) signaling stable NF-κB reporter cells activated by TLR8 agonist Resiquimod (R848). It turned out that the two TLR8 NF-κB reporter cells can recapitulate the species-specific activity of pTLR8 and hTLR8, transcriptome analysis revealed a number of pTLR8 specific DEGs activated by R848, and some of these gene expressions were confirmed in porcine alveolar macrophages (PAMs) but not occurred in human cell types.
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Affiliation(s)
- Da Ao
- Comparative Medicine Research Institute, Yangzhou University, China; College Veterinary Medicine, Yangzhou University, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou, 225009, China
| | - Pengpeng Xia
- Comparative Medicine Research Institute, Yangzhou University, China; College Veterinary Medicine, Yangzhou University, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou, 225009, China
| | - Sen Jiang
- Comparative Medicine Research Institute, Yangzhou University, China; College Veterinary Medicine, Yangzhou University, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou, 225009, China
| | - Nanhua Chen
- Comparative Medicine Research Institute, Yangzhou University, China; College Veterinary Medicine, Yangzhou University, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou, 225009, China
| | - François Meurens
- BIOEPAR, INRA, Oniris, Université Bretagne Loire, 44307, Nantes, France
| | - Jianzhong Zhu
- Comparative Medicine Research Institute, Yangzhou University, China; College Veterinary Medicine, Yangzhou University, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, China; Joint International Research Laboratory of Agriculture and Agri-Product Safety, Yangzhou, 225009, China.
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Tombácz K, Burgess G, Holder A, Werners A, Werling D. Toxoplasma gondii profilin does not stimulate an innate immune response through bovine or human TLR5. Innate Immun 2018; 24:422-429. [PMID: 30196747 PMCID: PMC6830871 DOI: 10.1177/1753425918798450] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Toxoplasma gondii is responsible for one of the most prevalent infections in people. T. gondii profilin (TgPr) is a protein integral to parasite movement and cellular invasion. Murine TLRs has been described to bind TgPr. Furthermore, more recently, human TLR5 has been described to recognise recombinant TgPr, as well as bacterial flagellin. In addition to infections in humans, T. gondii infects farm animals, but little information is available about its innate recognition. We aimed to investigate whether, similarly to their human orthologue, bovine and porcine TLR5 could also be stimulated by TgPr by using a combination of reporter cell lines expressing full length TLR5 from each species as well as primary cells. Although human and bovine TLR5-transfected cells responded to flagellin, no response was detected upon stimulation with profilin. Furthermore, TgPr failed to elicit IL-6 secretion in human peripheral blood mononuclear cells and CD14+ monocytes. In contrast, exposure of RAW cells, known to express TLR11, to TgPr slightly increased the IL-6 response. Our data cast doubts on the possibility that profilin is a specific ligand for human TLR5 and bovine TLR5. This leaves the immunogenic properties of this potential target antigen (Ag) uncharacterised outside of the murine system.
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Affiliation(s)
- Kata Tombácz
- 1 Department of Pathology and Pathogen Biology, The Royal Veterinary College, University of London, UK
| | - Gregg Burgess
- 1 Department of Pathology and Pathogen Biology, The Royal Veterinary College, University of London, UK
| | - Angela Holder
- 1 Department of Pathology and Pathogen Biology, The Royal Veterinary College, University of London, UK
| | - Arno Werners
- 2 Department of Anatomy, Physiology and Pharmacology, School of Veterinary Medicine, St. George's University, Grenada, West Indies
| | - Dirk Werling
- 1 Department of Pathology and Pathogen Biology, The Royal Veterinary College, University of London, UK
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Discovery of novel small molecule TLR4 inhibitors as potent anti-inflammatory agents. Eur J Med Chem 2018; 154:253-266. [DOI: 10.1016/j.ejmech.2018.05.033] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 05/13/2018] [Accepted: 05/20/2018] [Indexed: 01/01/2023]
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