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Watanabe N, Tamai R, Kiyoura Y. Alendronate augments lipid A‑induced IL‑1β release by ASC‑deficient RAW264 cells via AP‑1 activation. Exp Ther Med 2023; 26:577. [PMID: 38023354 PMCID: PMC10655061 DOI: 10.3892/etm.2023.12276] [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: 06/17/2023] [Accepted: 09/26/2023] [Indexed: 12/01/2023] Open
Abstract
Alendronate (ALN) is an anti-bone-resorptive drug with inflammatory side effects. ALN upregulates lipid A-induced interleukin (IL)-1α and IL-1β release by J774.1 cells via apoptosis-associated speck-like protein containing a caspase recruitment domain (ASC) activation. The present study examined whether ALN augmented lipid A-induced proinflammatory cytokine production using ASC-deficient mouse macrophage-like RAW264 cells. Pretreatment of RAW264 cells with ALN significantly augmented lipid A-induced IL-1β release, although ALN did not upregulate the expression of Toll-like receptor 4, myeloid differentiation factor 88 (MyD88) and caspase-11. Moreover, pretreatment of caspase-11-deficient RAW264.7 cells with ALN significantly augmented lipid A-induced IL-1β release. Notably, ALN upregulated the activation of FosB, c-Jun or JunD, but not c-Fos or NF-κB in RAW264 cells. Furthermore, pretreatment with the activator protein 1 (AP-1) inhibitor SR11302, but not the c-Fos inhibitor T-5224, before addition of ALN inhibited ALN-augmented IL-1β release by lipid A-treated RAW264 cells. SR11302 also reduced ALN-augmented lactate dehydrogenase release by the cells. These findings collectively suggested that ALN augmented lipid A-induced IL-1β release and cell membrane damage in ASC-deficient RAW264 cells via activation of AP-1, but not NF-κB.
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Affiliation(s)
- Noriyuki Watanabe
- Department of Oral Infectious Diseases, Ohu University Graduate School of Dentistry, Koriyama, Fukushima 963-8611, Japan
| | - Riyoko Tamai
- Department of Oral Infectious Diseases, Ohu University Graduate School of Dentistry, Koriyama, Fukushima 963-8611, Japan
- Department of Oral Medical Science, Ohu University School of Dentistry, Koriyama, Fukushima 963-8611, Japan
| | - Yusuke Kiyoura
- Department of Oral Infectious Diseases, Ohu University Graduate School of Dentistry, Koriyama, Fukushima 963-8611, Japan
- Department of Oral Medical Science, Ohu University School of Dentistry, Koriyama, Fukushima 963-8611, Japan
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Wu K, Shang S, Bao L, Zhao Y, Guan Z, Xu J, Sun H, Yuan W, Fu Y, Peng L, Zhao C. Retinoic acid ameliorates low-grade endotoxemia-induced mastitis by limiting inflammatory responses in mice. Microb Pathog 2023; 185:106426. [PMID: 37879450 DOI: 10.1016/j.micpath.2023.106426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 10/21/2023] [Accepted: 10/22/2023] [Indexed: 10/27/2023]
Abstract
Mastitis is a serious disease for humans and animals, which causes huge economic losses in the dairy industry and is hard to prevent due to the complex and unclear pathogenesis. Subacute ruminal acidosis (SARA) has contributed to the development of mastitis by inducing ruminal dysbiosis and subsequent low-grade endotoxemia (LGE), however, how ruminal metabolic changes regulate this progress is still unclear. Our previous study revealed that cows with SARA had increased ruminal retinoic acid (RA) levels, a metabolic intermediate of vitamin A that plays an essential role in mucosal immune responses. Hence, the aim of this study was to investigate the protective effect of RA on LGE-induced mastitis and the underlying mechanisms in mice. The results showed that RA alleviated LGE-induced mastitis, as evidenced by RA significantly reduced the increase in mammary proinflammatory cytokines and improved blood-milk barrier injury caused by LGE. In addition, RA increased the expression of tight junction proteins, including ZO-1, occludin and claudin-3. Furthermore, we found that RA limited the mammary inflammatory responses by inhibiting the activation of NF-κB and NLRP3 signaling pathways. These findings suggest that RA effectively alleviates LGE-induced mastitis and implies a potential strategy for the treatment and prevention of mastitis and other diseases.
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Affiliation(s)
- Keyi Wu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China
| | - Shan Shang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China
| | - Lijuan Bao
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China
| | - Yihong Zhao
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China
| | - Zhihang Guan
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China
| | - Jiawen Xu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China
| | - Hao Sun
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China
| | - Weijie Yuan
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China
| | - Yunhe Fu
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China
| | - Luyuan Peng
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China.
| | - Caijun Zhao
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Jilin University, Changchun, Jilin Province, 130062, China.
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Wang YT, Wang H, Ren WJ, Dai XL, Huo Q, Wang S, Sun YX. 3,6'-Disinapoylsucrose alleviates the amyloid precursor protein and lipopolysaccharide induced cognitive dysfunction through upregulation of the TrkB/BDNF pathway. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2023; 25:387-402. [PMID: 35672874 DOI: 10.1080/10286020.2022.2069565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Revised: 04/19/2022] [Accepted: 04/20/2022] [Indexed: 06/15/2023]
Abstract
The aim of this study is to explore the effect and mechanism of 3,6'-disinapoylsucrose (DISS) on an Alzheimer's disease (AD) mice model induced by APPswe695 lentivirus (LV) and intraperitoneal injection of lipopolysaccharide (LPS). The results show that DISS improves cognitive ability, decreases the levels of IL-2, IL-6, IL-1β, and TNF-α, reduces the expression of NF-κB p65, and alleviates Aβ deposition and nerve cell damage. DISS can regulate tyrosine kinase B (TrkB)/brain-derived neurotrophic factor (BDNF) signaling in the hippocampus. In summary, DISS can significantly alleviate neuroinflammation, spatial learning and memory disorders in AD model mice.
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Affiliation(s)
- Yun-Ting Wang
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Institute of Functional Food Science and Technology, Beijing Union University, Beijing 100023, China
- Department of Food Science, School of Biochemical Engineering, Beijing Union University, Beijing 100191, China
| | - Han Wang
- Department of Food Science, School of Biochemical Engineering, Beijing Union University, Beijing 100191, China
| | - Wu-Jiang Ren
- Department of Food Science, School of Biochemical Engineering, Beijing Union University, Beijing 100191, China
| | - Xue-Ling Dai
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Institute of Functional Food Science and Technology, Beijing Union University, Beijing 100023, China
| | - Qing Huo
- Department of Food Science, School of Biochemical Engineering, Beijing Union University, Beijing 100191, China
| | - Shuo Wang
- Department of Food Science, Nankai University School of Medicine, Tianjing 300350, China
| | - Ya-Xuan Sun
- Beijing Key Laboratory of Bioactive Substances and Functional Foods, Institute of Functional Food Science and Technology, Beijing Union University, Beijing 100023, China
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