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Wu Z, Yin Y, Liu R, Li X, Sun Y, Yau SY, Wu L, Liu Y, Adzic M, Zhang H, Chen G. A refined formula derived from Jiawei-Xiaoyao pill exerts rapid antidepressant-like effects in LPS-induced depression by reducing neuroinflammation and restoring neuroplasticity signaling. JOURNAL OF ETHNOPHARMACOLOGY 2024; 335:118647. [PMID: 39094756 DOI: 10.1016/j.jep.2024.118647] [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: 03/30/2024] [Revised: 07/21/2024] [Accepted: 07/29/2024] [Indexed: 08/04/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Jiawei-Xiaoyao Pill (JWX), a classic formula in traditional Chinese medicine, is derived from Xiaoyao Pill by adding significant amounts of Gardeniae Fructus (GF) and Moutan Cortex (MC). It is frequently used for the treatment of depression. JWX has been demonstrated to uniquely elicit rapid antidepressant-like effects within the prescribed dosage range. To date, GF has been shown to have rapid antidepressant-like effects, but a much higher dose is required than its proportion in JWX. It is assumed that the synergism of GF with a minimum number of other herbs in JWX serves as a refined formula that exerts these rapid antidepressant-like effects. Identification of a refined formula is important for prioritizing the herbs and ingredients to optimize the quality control of JWX. However, such a refined formula for JWX has not been identified yet. AIM OF THE STUDY Here we aimed to identify a refined formula derived from JWX for optimized rapid antidepressant-like effects. Since the neuroinflammation mechanism involving in depression treatment has not been previously investigated for JWX, we tested the mechanism for both JWX and the refined formula. MATERIALS AND METHODS Individual herbs (MC; ASR, Angelica Sinensis Radix; Bupleuri Radix; Paeonia Radix Alba) that show antidepressant-like responses were mixed with GF at the proportional dosage in JWX to identify the refined formula. Rapid antidepressant-like effects were assessed by using NSF (Novelty Suppressed Feeding Test) and other behavioral tests following a single administration. The identified formula was further tested in a lipopolysaccharide (LPS)-induced depressive model, and the molecular signaling mechanisms were investigated using Western blot analysis, immunofluorescence, and pharmacological inhibition of mTOR signaling. Scopolamine (Scop) was used as a positive control for induction of rapid antidepressant effects. RESULTS A combination of GF, MC and ASR (GMA) at their dosages proportional to JWX induced behavioral signs of rapid antidepressant-like responses in both normal and LPS-treated mice, with the antidepressant-like effects sustained for 5 d. Similar to JWX or Scop, GMA rapidly reduced the neuroinflammation signaling of Iba-1-NF-кB, enhanced neuroplasticity signaling of CaMKII-mTOR-BDNF, and attenuated the upregulated expressions of the NMDAR sub-units GluN1 and GluN2B in the hippocampus of LPS-treated mice. GMA, JWX and Scop rapidly restored the number of BDNF-positive cells reduced by LPS treatment in the CA3 region of the hippocampus. Furthermore, rapamycin, a selective inhibitor of mTOR, blunted the rapid antidepressant-like effects and hippocampal BDNF signaling upregulation by GMA. CONCLUSION GMA may serve as a refined formula from JWX, capable of inducing rapid antidepressant-like effects. In the LPS-induced depression model, the effects of GMA were mediated via rapidly alleviating neuroinflammation and enhancing neuroplasticity.
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Affiliation(s)
- Zhangjie Wu
- Interdisciplinary Institute for Personalized Medicine in Brain Disorders, School of Chinese Medicine, Jinan University, Guangzhou, 510632, PR China; Zhuhai Institute of Jinan University, Zhuhai, 519070, PR China; Guangdong-Hong Kong-Macao Joint Laboratory of Traditional Chinese Medicine on Brain-Peripheral Homeostasis and Comprehensive Health, Jinan University, Guangzhou, 510632, PR China; Departments of Psychiatry & Clinical and Translational Institute of Psychiatric Disorders, First Affiliated Hospital of Jinan University, Guangzhou, 510632, PR China
| | - Ying Yin
- Interdisciplinary Institute for Personalized Medicine in Brain Disorders, School of Chinese Medicine, Jinan University, Guangzhou, 510632, PR China; Zhuhai Institute of Jinan University, Zhuhai, 519070, PR China; Guangdong-Hong Kong-Macao Joint Laboratory of Traditional Chinese Medicine on Brain-Peripheral Homeostasis and Comprehensive Health, Jinan University, Guangzhou, 510632, PR China; Departments of Psychiatry & Clinical and Translational Institute of Psychiatric Disorders, First Affiliated Hospital of Jinan University, Guangzhou, 510632, PR China
| | - Ruiyi Liu
- Interdisciplinary Institute for Personalized Medicine in Brain Disorders, School of Chinese Medicine, Jinan University, Guangzhou, 510632, PR China; Zhuhai Institute of Jinan University, Zhuhai, 519070, PR China; Guangdong-Hong Kong-Macao Joint Laboratory of Traditional Chinese Medicine on Brain-Peripheral Homeostasis and Comprehensive Health, Jinan University, Guangzhou, 510632, PR China; Departments of Psychiatry & Clinical and Translational Institute of Psychiatric Disorders, First Affiliated Hospital of Jinan University, Guangzhou, 510632, PR China
| | - Xianhui Li
- Interdisciplinary Institute for Personalized Medicine in Brain Disorders, School of Chinese Medicine, Jinan University, Guangzhou, 510632, PR China; Zhuhai Institute of Jinan University, Zhuhai, 519070, PR China; Guangdong-Hong Kong-Macao Joint Laboratory of Traditional Chinese Medicine on Brain-Peripheral Homeostasis and Comprehensive Health, Jinan University, Guangzhou, 510632, PR China
| | - Yan Sun
- Key Laboratory of Integrative Biomedicine for Brain Diseases, School of Chinese Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, PR China
| | - Suk-Yu Yau
- Department of Rehabilitation Sciences, Hong Kong Polytechnic University, PR China
| | - Lei Wu
- Affiliated Hospital of Nanjing University of Chinese Medicine, Jiangsu Province Hospital of Chinese Medicine, Nanjing, 210029, PR China
| | - Yan Liu
- Interdisciplinary Institute for Personalized Medicine in Brain Disorders, School of Chinese Medicine, Jinan University, Guangzhou, 510632, PR China; Zhuhai Institute of Jinan University, Zhuhai, 519070, PR China
| | - Miroslav Adzic
- "Vinča Institute" of Nuclear Sciences, Laboratory of Molecular Biology and Endocrinology 090, University of Belgrade, 11001 Belgrade, Serbia
| | - Hailou Zhang
- Interdisciplinary Institute for Personalized Medicine in Brain Disorders, School of Chinese Medicine, Jinan University, Guangzhou, 510632, PR China; Zhuhai Institute of Jinan University, Zhuhai, 519070, PR China; Guangdong-Hong Kong-Macao Joint Laboratory of Traditional Chinese Medicine on Brain-Peripheral Homeostasis and Comprehensive Health, Jinan University, Guangzhou, 510632, PR China; Departments of Psychiatry & Clinical and Translational Institute of Psychiatric Disorders, First Affiliated Hospital of Jinan University, Guangzhou, 510632, PR China.
| | - Gang Chen
- Interdisciplinary Institute for Personalized Medicine in Brain Disorders, School of Chinese Medicine, Jinan University, Guangzhou, 510632, PR China; Zhuhai Institute of Jinan University, Zhuhai, 519070, PR China; Guangdong-Hong Kong-Macao Joint Laboratory of Traditional Chinese Medicine on Brain-Peripheral Homeostasis and Comprehensive Health, Jinan University, Guangzhou, 510632, PR China; Departments of Psychiatry & Clinical and Translational Institute of Psychiatric Disorders, First Affiliated Hospital of Jinan University, Guangzhou, 510632, PR China.
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Jiao H, Zhang M, Xu W, Pan T, Luan J, Zhao Y, Zhang Z. Chlorogenic acid alleviate kidney fibrosis through regulating TLR4/NF-қB mediated oxidative stress and inflammation. JOURNAL OF ETHNOPHARMACOLOGY 2024; 335:118693. [PMID: 39142620 DOI: 10.1016/j.jep.2024.118693] [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: 05/27/2024] [Revised: 07/04/2024] [Accepted: 08/10/2024] [Indexed: 08/16/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Chlorogenic acid (CGA), a phenolic acid produced by the interaction of Caffeic acid and Quinic acid, is considered to be the main active ingredient in many heat-clearing and detoxifying Chinese medicines, such as honeysuckle, Houttuynia, Artemisia annua, Gardenia, etc. CGA has anti-inflammatory, antioxidant, anticancer, antibacterial and other properties. However, the effect and process of CGA in kidney fibrosis remain unknown. AIM OF THE STUDY To investigate the therapeutic effects of CGA on alleviating kidney fibrosis and the underlying mechanisms. MATERIALS AND METHODS C57BL/6 mouse kidney fibrosis model was established by unilateral uretera obstruction (UUO), followed by treatment with CGA (40, 80 mg/kg/d) for 10 days. The serum and kidney tissue were collected. Network pharmacology, molecular docking and transcriptomic analysis were conducted to explore the possible mechanisms. The HK-2 cells were cultured and treated with TGF-β1(10 ng/mL) and CGA (50, 100 μM), to examine the role of TLR4/NF-қB signaling pathway in the therapeutic effect of CGA on kidney fibrosis. RESULTS CGA significantly alleviated kidney injury, inflammation, oxidative stress and fibrosis in UUO models. CGA also effectively inhibited the expression of inflammatory factors and the process of oxidative stress both in vivo and in vitro fibrosis models. Further, transcriptomic analysis, molecular docking, and network pharmacology results indicated that the therapeutic effect of CGA on fibrosis was through the regulation of TLR4/NF-қB signaling pathway. CONCLUSION CGA might provide benefits for the regulation of inflammatory response, oxidative stress and fibrogenesis by modulating TLR4/NF-қB signaling pathway on kidney fibrosis. Hence, CGA is an attractive agent for treating kidney fibrosis. The present study provided a basis for further research on the therapeutic strategies of kidney fibrosis.
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Affiliation(s)
- Hao Jiao
- Department of Pharmacy, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), Wuhu 241001, Anhui Province, China
| | - Meijuan Zhang
- Department of Research Ward, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Wuqin Xu
- Department of Pathology, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), Wuhu 241001, Anhui Province, China
| | - Tongshuai Pan
- Department of Pharmacy, Wannan Medical College, Wuhu, 241001, Anhui Province, China
| | - Jiajie Luan
- Department of Pharmacy, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), Wuhu 241001, Anhui Province, China
| | - Yingjie Zhao
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, China.
| | - Zhirui Zhang
- Department of Pharmacy, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), Wuhu 241001, Anhui Province, China.
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Xia YM, Guan YQ, Liang JF, Wu WD. TAK-242 improves sepsis-associated acute kidney injury in rats by inhibiting the TLR4/NF-κB signaling pathway. Ren Fail 2024; 46:2313176. [PMID: 38482886 PMCID: PMC10877656 DOI: 10.1080/0886022x.2024.2313176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 01/27/2024] [Indexed: 03/18/2024] Open
Abstract
OBJECTIVE This study was designed to observe the effect of toll-like receptor 4 (TLR4)/nuclear factor kappa-B (NF-κB) pathway activity on sepsis-associated acute kidney injury (SA-AKI), thereby providing new considerations for the prevention and treatment of SA-AKI. METHODS The rats were divided into Sham, cecal ligation and puncture (CLP), CLP + vehicle, and CLP + TAK-242 groups. Except the Sham group, a model of CLP-induced sepsis was established in other groups. After 24 h, the indicators related to kidney injury in blood samples were detected. The pathological changes in the kidneys were observed by hematoxylin-eosin staining, and tubular damage was scored. Oxidative stress-related factors, mitochondrial dysfunction-related indicators in each group were measured; the levels of inflammatory factors in serum and kidney tissue of rats were examined. Finally, the expression of proteins related to the TLR4/NF-κB signaling pathway was observed by western blot. RESULTS Compared with the CLP + vehicle and CLP + TAK-242 groups, the CLP + TAK-242 group reduced blood urea nitrogen (BUN), creatinine (Cr), cystatin-C (Cys-C), reactive oxygen species (ROS), malondialdehyde (MDA), and inflammatory factors levels (p < 0.01), as well as increased superoxide dismutase (SOD) activity of CLP rats (p < 0.01). Additionally, TAK-242 treatment improved the condition of CLP rats that had glomerular and tubular injuries and mitochondrial disorders (p < 0.01). Further mechanism research revealed that TAK-242 can inhibit the TLR4/NF-κB signaling pathway activated by CLP (p < 0.01). Above indicators after TAK-242 treatment were close to those of the Sham group. CONCLUSION TAK-242 can improve oxidative stress, mitochondrial dysfunction, and inflammatory response by inhibiting the activity of TLR4/NF-κB signaling pathway, thereby preventing rats from SA-AKI.
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Affiliation(s)
- Yan-mei Xia
- Department of Critical, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, PRChina
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PRChina
| | - Yu-qian Guan
- Department of Critical, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, PRChina
| | - Ji-fang Liang
- Department of Critical, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, PRChina
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PRChina
| | - Wei-dong Wu
- Department of Critical, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Third Hospital of Shanxi Medical University, Taiyuan, PRChina
- Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PRChina
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Hu Y, Fan Q, Qiao B, Xu O, Lv B, Han N, Zhang X. Alleviatory Role of Panax Notoginseng Saponins in Modulating Inflammation and Pulmonary Vascular Remodeling in Chronic Obstructive Pulmonary Disease: mechanisms and Implications. COPD 2024; 21:2329282. [PMID: 38622983 DOI: 10.1080/15412555.2024.2329282] [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: 10/17/2023] [Accepted: 03/06/2024] [Indexed: 04/17/2024]
Abstract
COPD is an inflammatory lung disease that limits airflow and remodels the pulmonary vascular system. This study delves into the therapeutic potential and mechanistic underpinnings of Panax notoginseng Saponins (PNS) in alleviating inflammation and pulmonary vascular remodeling in a COPD rat model. Symmap and ETCM databases provided Panax notoginseng-related target genes, and the CTD and DisGeNET databases provided COPD-related genes. Intersection genes were subjected to protein-protein interaction analysis and pathway enrichment to identify downstream pathways. A COPD rat model was established, with groups receiving varying doses of PNS and a Roxithromycin control. The pathological changes in lung tissue and vasculature were examined using histological staining, while molecular alterations were explored through ELISA, RT-PCR, and Western blot. Network pharmacology research suggested PNS may affect the TLR4/NF-κB pathway linked to COPD development. The study revealed that, in contrast to the control group, the COPD model exhibited a significant increase in inflammatory markers and pathway components such as TLR4, NF-κB, HIF-1α, VEGF, ICAM-1, SELE mRNA, and serum TNF-α, IL-8, and IL-1β. Treatment with PNS notably decreased these markers and mitigated inflammation around the bronchi and vessels. Taken together, the study underscores the potential of PNS in reducing lung inflammation and vascular remodeling in COPD rats, primarily via modulation of the TLR4/NF-κB/HIF-1α/VEGF pathway. This research offers valuable insights for developing new therapeutic strategies for managing and preventing COPD.
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Affiliation(s)
- Yanan Hu
- School of Basic Medical Science, Yunnan University of Chinese Medicine, Kunming, P. R. China
- Heze Hospital of Traditional Chinese Medicine, Heze, P. R. China
| | - Qiuyang Fan
- School of Basic Medical Science, Yunnan University of Chinese Medicine, Kunming, P. R. China
| | - Bo Qiao
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, P. R. China
| | - Ou Xu
- Fuwai Yunnan Cardiovascular Hospital, Kunming, P. R. China
| | - Bijun Lv
- School of Basic Medical Science, Yunnan University of Chinese Medicine, Kunming, P. R. China
| | - Niping Han
- Molecular Biology for Sinomedicine, Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, Kunming, P. R. China
| | - Xiaomei Zhang
- Molecular Biology for Sinomedicine, Yunnan Provincial Key Laboratory of Molecular Biology for Sinomedicine, Kunming, P. R. China
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Chen J, Yang S, Luo H, Fu X, Li W, Li B, Fu C, Chen F, Xu D, Cao N. Polysaccharide of Atractylodes macrocephala Koidz alleviates NAFLD-induced hepatic inflammation in mice by modulating the TLR4/MyD88/NF-κB pathway. Int Immunopharmacol 2024; 141:113014. [PMID: 39191120 DOI: 10.1016/j.intimp.2024.113014] [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: 06/29/2024] [Revised: 08/07/2024] [Accepted: 08/22/2024] [Indexed: 08/29/2024]
Abstract
Non-alcoholic fatty liver disease (NAFLD) not only could cause abnormal lipid metabolism in the liver, but also could cause liver inflammation. Previous studies have shown that Polysaccharide of Atractylodes macrocephala Koidz (PAMK) could alleviate animal liver inflammatory damage and alleviate NAFLD in mice caused by high-fat diet(HFD), but regulation of liver inflammation caused by NAFLD has rarely been reported. In this study, an animal model of non-alcoholic fatty liver inflammation in the liver of mice was established to explore the protective effect of PAMK on the liver of mice. The results showed that PAMK could alleviate the abnormal increase of body weight and liver weight of mice caused by HFD, alleviate the abnormal liver structure of mice, reduce the level of oxidative stress and cytokine secretion in the liver of mice, and downregulate the mRNA expression of TLR4, MyD88, NF-κB and protein expression of P-IκB, P-NF-κB-P65, TLR4, MyD88, NF-κB in the liver. These results indicate that PAMK could alleviate hepatocyte fatty degeneration and damage, oxidative stress and inflammatory response of the liver caused by NAFLD in mice.
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Affiliation(s)
- Junyi Chen
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, China
| | - Shuzhan Yang
- Technology Center, Guangzhou Customs, Guangzhou, Guangdong 510623, China
| | - Hanxia Luo
- Technology Center, Guangzhou Customs, Guangzhou, Guangdong 510623, China
| | - Xinliang Fu
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, China
| | - Wanyan Li
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, China
| | - Bingxin Li
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, China
| | - Cheng Fu
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, China
| | - Feiyue Chen
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, China
| | - Danning Xu
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, China
| | - Nan Cao
- College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou, Guangdong 510225, China.
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Dai ZQ, Guo ZQ, Zhang T, Chu YF, Yan Y, Gao F, Li SL, Gu YH, Jiao JY, Lin YX, Zhao SW, Xu B, Lei HM. Integrating network pharmacology and transcriptomics to study the potential mechanism of Jingzhi Niuhuang Jiedu tablet in rats with accumulation of heat in the lungs and stomach. JOURNAL OF ETHNOPHARMACOLOGY 2024; 337:118890. [PMID: 39366495 DOI: 10.1016/j.jep.2024.118890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2024] [Revised: 09/30/2024] [Accepted: 10/01/2024] [Indexed: 10/06/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Accumulation of heat in the lungs and stomach (AHLS) is an important syndrome within the realm of traditional Chinese medicine (TCM). It is the fundamental reason behind numerous illnesses, including mouth ulcers, dermatological conditions, acne, and pharyngitis. Jingzhi Niuhuang Jiedu tablet (JN) serves as the representative prescription for treatment of AHLS clinically. However, the effective components and mechanism of JN's impact on AHLS remain unexplored. AIM OF THE STUDY The objective of this research was to analyze the effective components of JN and investigate the therapeutic effect and potential mechanism of JN on AHLS. MATERIALS AND METHODS The effective compounds of JN extract were analyzed and identified using UHPLC-Q-Exactive/HRMS. Utilizing network pharmacology to investigate JN's multi-target, multi-pathway process in treating AHLS. Subsequently, anti-inflammatory activities of JN extract were evaluated in the RAW264.7 cells stimulated by lipopolysaccharide (LPS). In addition, a rat AHLS model induced by LPS and dried ginger was established. Pathological changes in rat lung and stomach tissues observed by HE staining and Masson's trichrome staining. Additionally, the expression of TNF-α, IL-6, and IL-1β in bronchoalveolar lavage fluid (BALF) was identified through the ELISA assay. For a deeper understanding of how JN might affect AHLS, transcriptomics was utilized to examine differential genes and their underlying mechanisms. Concurrently, techniques like quantitative polymerase chain reaction (q-PCR), immunofluorescence, and western blotting (WB) were employed to confirm various mRNA and protein expression, including Il17ra, Il17re, IL-17A, IL-1β, IL-6, PPARγ, PGC1-α and UCP1. RESULTS We identified 178 potential effective components in the JN extract. Network pharmacology analysis showed that the 144 components in JN act on 200 key targets for the treatment of AHLS by suppressing inflammation, regulating energy metabolism, and gastric function. In addition, JN suppressed the LPS-stimulated generation of NO, TNF-α, IL-1β, and IL-6 in RAW264.7 cells. And JN treatment effectively alleviated lung and stomach injury and reduced inflammation in rats. Analysis of RNA-seq from lung tissues revealed JN's substantial control over crucial genes in the IL-17 signaling pathway, including Il1b and Il17ra. Likewise, RNA sequencing of stomach tissues revealed that JN markedly decreased crucial genes in the Thermogenesis pathway, including Ppargc1a and Ppara. Additional experimental findings confirmed that treatment with JN significantly reduced the expression levels of mRNA (Il17ra, Il17re, Il1b, Ppargc1a and Ucp1), and the expression levels of protein (IL-17A, IL-1β, IL-6, PPARγ, PGC1-α and UCP1). CONCLUSION This study not only analyzes the effective components of JN but also reveals that JN could effectively ameliorate AHLS by inhibiting IL-17 signaling pathway and Thermogenesis pathway, which provides evidence for subsequent clinical studies and drug development.
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Affiliation(s)
- Zi-Qi Dai
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 100102, China
| | - Zhuo-Qian Guo
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 100102, China
| | - Tong Zhang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 100102, China
| | - Ya-Fen Chu
- Tongrentang eji Fazhan Gufen Co., Ltd, Beijing, 100102, China
| | - Ying Yan
- Tongrentang eji Fazhan Gufen Co., Ltd, Beijing, 100102, China
| | - Feng Gao
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 100102, China
| | - Shan-Lan Li
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 100102, China
| | - Yu-Hao Gu
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 100102, China
| | - Jing-Yi Jiao
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 100102, China
| | - Yi-Xuan Lin
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 100102, China
| | - Shu-Wu Zhao
- Tongrentang eji Fazhan Gufen Co., Ltd, Beijing, 100102, China.
| | - Bing Xu
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 100102, China.
| | - Hai-Min Lei
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 100102, China.
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Raghavan S, Kim KS. Host immunomodulation strategies to combat pandemic-associated antimicrobial-resistant secondary bacterial infections. Int J Antimicrob Agents 2024; 64:107308. [PMID: 39168417 DOI: 10.1016/j.ijantimicag.2024.107308] [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: 12/22/2023] [Revised: 06/20/2024] [Accepted: 08/09/2024] [Indexed: 08/23/2024]
Abstract
The incidence of secondary bacterial infections has increased in recent decades owing to various viral pandemics. These infections further increase the morbidity and mortality rates associated with viral infections and remain a significant challenge in clinical practice. Intensive antibiotic therapy has mitigated the threat of such infections; however, overuse and misuse of antibiotics have resulted in poor outcomes, such as inducing the emergence of bacterial populations with antimicrobial resistance (AMR) and reducing the therapeutic options for this crisis. Several antibiotic substitutes have been suggested and employed; however, they have certain limitations and novel alternatives are urgently required. This review highlights host immunomodulation as a promising strategy against secondary bacterial infections to overcome AMR. The definition and risk factors of secondary bacterial infections, features and limitations of currently available therapeutic strategies, host immune responses, and future perspectives for treating such infections are discussed.
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Affiliation(s)
- Srimathi Raghavan
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, Korea
| | - Kwang-Sun Kim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan, Korea.
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He QK, Wang XY, Hu W, Cai J, Chen P, Liu MW, Wu YH. Therapeutic potential of Canna edulis RS3-resistant starch in alleviating neuroinflammation and apoptosis in a Parkinson's disease rat model. Heliyon 2024; 10:e38072. [PMID: 39347419 PMCID: PMC11438014 DOI: 10.1016/j.heliyon.2024.e38072] [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: 12/08/2023] [Revised: 09/02/2024] [Accepted: 09/17/2024] [Indexed: 10/01/2024] Open
Abstract
This study aimed to investigate the effects of Miao medicinal Canna edulis RS3-resistant starch on behavioral performance and substantia nigra neuron apoptosis-related indicators in a rat model of Parkinson's disease (PD). Among the experimental groups, except for the control group, we induced PD rat models by subcutaneous injection of rotenone in the neck and back. After model induction, a 28-day drug intervention was conducted. Various techniques have been employed, including behavioral analysis, Real-time Polymerase Chain Reaction (RT-PCR), western blotting, enzyme-linked immunosorbent assay (ELISA), immunofluorescence, and terminal deoxynucleotidyltransferase-mediated UTP nick-ends. labeling (TUNEL) and Nissl staining to investigate the effect of Canna edulis RS3-resistant starch on the substantia nigra and neuronal apoptosis-related markers in the brains of PD model rats. Our study revealed that Canna edulis RS3, a resistant starch, significantly reduced the climbing time of PD model rats, prolonged their hanging time, lowered the expression levels of the inflammatory factors IL-1β, IL-6, and TNF-α, increased the number of TH-positive neurons in the substantia nigra, and decreased the levels of IL-1β, IL-6, and TNF-α. Furthermore, Canna edulis RS3 elevated the protein expression levels of tyrosine hydroxylase (TH) and Bcl-2 while reducing those of Bax, TLR4, NLRP3,and p-P65, and mitigated apoptosis and morphological changes in dopaminergic neurons in the substantia nigra region. Our results suggest that Canna edulis RS3-resistant starch may offer therapeutic benefits for PD patients with PD by potentially influencing inflammation and apoptosis in the dopaminergic system.
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Affiliation(s)
- Qian-Kun He
- Department of Neurology, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, 550001, China
- Department of Neurology, Traditional Chinese Medicine Hospital of Yuxi City, Yuxi, Yunnan, 6527000, China
| | - Xue-Yong Wang
- School of Chinese Meteria Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Wei Hu
- Department of Cardiology, The First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan, 650032, China
| | - Jing Cai
- Department of Neurology, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, 550001, China
| | - Peng Chen
- Department of Basic Clinical Teaching and Research of Traditional Chinese Medicine, School of Basic Medicine, Guizhou University of Chinese Medicine, Guiyang, Guizhou, 550001, China
| | - Ming-Wei Liu
- Department of Emergency Medicine, Dali Bai Autonomous Prefecture People's Hospital, Dali, 671000, China
| | - Yuan-Hua Wu
- Department of Neurology, The First Affiliated Hospital of Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, 550001, China
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9
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Wei Z, Li B, Turak A, Aisa HA. Sesquiterpenes from the seeds of Cichorium glandulosum and their anti- neuroinflammation activities. Fitoterapia 2024; 179:106239. [PMID: 39326794 DOI: 10.1016/j.fitote.2024.106239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2024] [Revised: 09/17/2024] [Accepted: 09/21/2024] [Indexed: 09/28/2024]
Abstract
Three previously undescribed sesquiterpenes, along with three known ones were isolated from the seeds of Cichorium glandulosum. The structures of them were elucidated by the analysis of spectroscopic data. The isolated compounds were tested for their neuroprotective effects against LPS-induced neuroinflammation in BV-2 cells. Santamarine (5) exhibited inhibitory activity on LPS-induced NO production in BV-2 cells with IC50 of 0.89 ± 0.12 μM. The mechanism of the compound 5 was related to activating the NF-κB, MAPK and cGAS/STING pathways.
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Affiliation(s)
- Zheyang Wei
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization and the Key Laboratory of Plant Resources and Chemistry of Arid Zone, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bo Li
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization and the Key Laboratory of Plant Resources and Chemistry of Arid Zone, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Ablajan Turak
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization and the Key Laboratory of Plant Resources and Chemistry of Arid Zone, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China
| | - Haji Akber Aisa
- State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization and the Key Laboratory of Plant Resources and Chemistry of Arid Zone, Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, China; College of Pharmacy, Xinjiang Medical University, Urumqi 830011, China.
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10
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Qin R, Liang X, Yang Y, Chen J, Huang L, Xu W, Qin Q, Lai X, Huang X, Xie M, Chen L. Exploring cuproptosis-related molecular clusters and immunological characterization in ischemic stroke through machine learning. Heliyon 2024; 10:e36559. [PMID: 39295987 PMCID: PMC11408831 DOI: 10.1016/j.heliyon.2024.e36559] [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: 05/12/2023] [Revised: 08/15/2024] [Accepted: 08/19/2024] [Indexed: 09/21/2024] Open
Abstract
Objective Ischemic stroke (IS) is a significant health concern with high disability and fatality rates despite available treatments. Immune cells and cuproptosis are associated with the onset and progression of IS. Investigating the interaction between cuproptosis-related genes (CURGs) and immune cells in IS can provide a theoretical basis for IS treatment. Methods We obtained IS datasets from the Gene Expression Omnibus (GEO) and employed machine learning to identify CURGs. The diagnostic efficiency of the CURGs was evaluated using receiver operating characteristic (ROC) curves. KEGG and gene set enrichment analysis (GSEA) were also conducted to identify biologically relevant pathways associated with CURGs in IS patients. Single-cell analysis was used to confirm the expression of 19 CURGs, and pathway activity calculations were performed using the AUCell package. Additionally, a risk prediction model for IS patients was developed, and core modules and hub genes related to IS were identified using weighted gene coexpression network analysis (WGCNA). We classified IS patients using a method of consensus clustering. Results We established a precise diagnostic model for IS. Enrichment analysis revealed major pathways, including oxidative phosphorylation, the NF-kappa B signaling pathway, the apoptosis pathway, and the Wnt signaling pathway. At the single-cell level, compared to those in non-IS samples, 19 CURGs were primarily overexpressed in the immune cells of IS samples and exhibited high activity in natural killer cell-mediated cytotoxicity, steroid hormone biosynthesis, and oxidative phosphorylation. Two clusters were obtained through consensus clustering. Notably, immune cell types including B cells, plasma cells, and resting NK cells, varied between the two clusters. Furthermore, the red module and hub genes associated with IS were uncovered. The expression patterns of CURGs varied over time. Conclusion This study developed a precise diagnostic model for IS by identifying CURGs and evaluating their interaction with immune cells. Enrichment analyses revealed key pathways involved in IS, and single-cell analysis confirmed CURG overexpression in immune cells. A risk prediction model and core modules associated with IS were also identified.
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Affiliation(s)
- Rongxing Qin
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
| | - Xiaojun Liang
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
| | - Yue Yang
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
- National Center for International Research of Biological Targeting Diagnosis and Therapy (Guangxi Key Laboratory of Biological Targeting Diagnosis and Therapy Research), Guangxi Medical University, Guangxi Zhuang Autonomous Region, Nanning, 530021, China
| | - Jiafeng Chen
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
- National Center for International Research of Biological Targeting Diagnosis and Therapy (Guangxi Key Laboratory of Biological Targeting Diagnosis and Therapy Research), Guangxi Medical University, Guangxi Zhuang Autonomous Region, Nanning, 530021, China
| | - Lijuan Huang
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
- National Center for International Research of Biological Targeting Diagnosis and Therapy (Guangxi Key Laboratory of Biological Targeting Diagnosis and Therapy Research), Guangxi Medical University, Guangxi Zhuang Autonomous Region, Nanning, 530021, China
| | - Wei Xu
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
- National Center for International Research of Biological Targeting Diagnosis and Therapy (Guangxi Key Laboratory of Biological Targeting Diagnosis and Therapy Research), Guangxi Medical University, Guangxi Zhuang Autonomous Region, Nanning, 530021, China
| | - Qingchun Qin
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
- National Center for International Research of Biological Targeting Diagnosis and Therapy (Guangxi Key Laboratory of Biological Targeting Diagnosis and Therapy Research), Guangxi Medical University, Guangxi Zhuang Autonomous Region, Nanning, 530021, China
| | - Xinyu Lai
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
| | - Xiaoying Huang
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
| | - Minshan Xie
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
| | - Li Chen
- Department of Neurology, The First Affiliated Hospital, Guangxi Medical University, Nanning, Guangxi Zhuang Autonomous Region, 530021, China
- National Center for International Research of Biological Targeting Diagnosis and Therapy (Guangxi Key Laboratory of Biological Targeting Diagnosis and Therapy Research), Guangxi Medical University, Guangxi Zhuang Autonomous Region, Nanning, 530021, China
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11
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Chen W, Liu M, Li Z, Luo Z, Wu J. Phloretin alleviates sleep deprivation-induced cognitive impairment by reducing inflammation through PPARγ/NF-κB signaling pathway. Exp Neurol 2024; 382:114949. [PMID: 39284540 DOI: 10.1016/j.expneurol.2024.114949] [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: 06/26/2024] [Revised: 08/29/2024] [Accepted: 09/09/2024] [Indexed: 09/19/2024]
Abstract
Sleep loss leads to significant pathophysiological consequences, including cognitive impairment. The neuroinflammation are pivotal factors in the pathogenesis of cognitive impairment induced by sleep loss. The phloretin (PHL), derived from peel of juicy fruits, has demonstrated potent anti-inflammatory properties. However, the precise influence of PHL on the cognitive impairment triggered by sleep loss and its underlying mechanism remain uncertain. In the present study, mice were subjected to sleep deprivation (SD) paradigm. Cognitive impairment induced by SD were significantly relieved by administration of PHL in a dose-dependent manner. Furthermore, PHL not only mitigated the synaptic losses but also enhanced dendritic spine density and neuronal activity within mice hippocampus following exposure to SD. Moreover, PHL treatment decreased the microglial numbers and altered microglial morphology in the hippocampus to restore the M1/M2 balances; these effects were accompanied by regulation of pro-/anti-inflammatory cytokine production and secretion in SD-exposed mice. Additionally, in vivo and in vitro studies showed PHL might attenuate the inflammation through the PPARγ/NF-κB pathway. Our findings suggest that PHL exerts inhibitory effects on microglia-mediated neuroinflammation, thereby providing protection against cognitive impairment induced by SD through a PPAR-γ dependent mechanism. The results indicate PHL is expected to provide a valuable candidate for new drug development for SD-induced cognitive impairment in the future.
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Affiliation(s)
- Wenjun Chen
- Research Experimental Center, Meizhou People's Hospital (Huangtang Hospital), Meizhou 514031, China; Meizhou Clinical Medical College of Guangdong Medical University, Meizhou 514000, China; Guangdong Provincial Engineering and Technology Research Center for Molecular Diagnostics of Cardiovascular Diseases, Meizhou 514000, China.
| | - Mei Liu
- Jiangxi Key Laboratory of Neurological Diseases, Department of Neurosurgery, The First Afffliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Ziming Li
- Department of Neurobiology, Southern Medical University, Guangzhou 510515, China
| | - Zhoucai Luo
- National Canine Laboratory Animal Resources Center, Guangzhou General Pharmaceutical Research Institute Co., Ltd., Guangzhou 510240, China
| | - Jianlin Wu
- Research Experimental Center, Meizhou People's Hospital (Huangtang Hospital), Meizhou 514031, China; Meizhou Clinical Medical College of Guangdong Medical University, Meizhou 514000, China; Guangdong Provincial Engineering and Technology Research Center for Molecular Diagnostics of Cardiovascular Diseases, Meizhou 514000, China.
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12
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Ridha-Salman H, Shihab EM, Hasan HK, Abbas AH, Khorsheed SM, Ayad Fakhri S. Mitigative Effects of Topical Norfloxacin on an Imiquimod-Induced Murine Model of Psoriasis. ACS Pharmacol Transl Sci 2024; 7:2739-2754. [PMID: 39296262 PMCID: PMC11406690 DOI: 10.1021/acsptsci.4c00152] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2024] [Revised: 07/25/2024] [Accepted: 07/29/2024] [Indexed: 09/21/2024]
Abstract
Psoriasis is a chronic, inflammatory dermatosis characterized by thickened, reddened, and scaly skin lesions. Norfloxacin is a fluoroquinolone antibiotic with enhanced antioxidant, anti-inflammatory, and immunomodulatory bioactivities. The aim of this study was to figure out the possible impact of topical norfloxacin on an imiquimod-induced model of psoriasis in mice. Thirty albino-type mice were split into five distinct groups of six animals each. The control group included healthy mice that had not received any treatment. The induction group was given the vehicle 2 h after the topical imiquimod, once daily for 8 days. Two hours after receiving topical imiquimod, the treatment groups including calcipotriol, norfloxacin 2.5%, and norfloxacin 5% were given topical ointments containing calcipotriol 0.005%, norfloxacin 2.5%, and norfloxacin 5%, for 8 days. Topical norfloxacin ointment significantly reduced the severity of imiquimod-exacerbated psoriatic lesions including erythema, shiny-white scaling, and acanthosis and fixed histological abnormalities. Furthermore, imiquimod-subjected mice treated with a higher concentration of norfloxacin ointment exhibited dramatically lower skin levels of inflammation-related biomarkers like IFN-γ, TNF-α, IL-6, IL-17A, IL-23, and TGF-β but higher levels of IL-10. They also demonstrated a notable decrease in angiogenesis parameters such as VEGF and IL-8, a substantial reduction in oxidative indicators like MDA and MPO, and a considerable rise in antioxidant enzymes like SOD and CAT. This study offers novel evidence that norfloxacin may assist in controlling inflammatory dermatoses like psoriasis by minimizing the severity of psoriatic plaques, correcting histological alterations, and diminishing the production of inflammatory, oxidative, and angiogenetic parameters.
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Affiliation(s)
- Hayder Ridha-Salman
- Department of Pharmacology, College of Pharmacy, Al-Mustaqbal University, Hillah 51001, Babylon +964, Iraq
| | - Elaf Mahmood Shihab
- Department of Pharmacology, College of Pharmacy, Al-Esraa University, Baghdad +964, Iraq
| | - Hasanain Kamil Hasan
- Department of Pharmacology, College of Pharmacy, Al-Mustaqbal University, Hillah 51001, Babylon +964, Iraq
| | - Alaa Hamza Abbas
- Department of Pharmacology, College of Pharmacy, Al-Mustaqbal University, Hillah 51001, Babylon +964, Iraq
| | | | - Salar Ayad Fakhri
- Department of Pharmacology, College of Pharmacy, Al-Esraa University, Baghdad +964, Iraq
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13
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Wei W, Lattau SSJ, Xin W, Pan Y, Tatenhorst L, Zhang L, Graf I, Kuang Y, Zheng X, Hao Z, Popa-Wagner A, Gerner ST, Huber S, Nietert M, Klose C, Kilic E, Hermann DM, Bähr M, Huttner HB, Liu H, Fitzner D, Doeppner TR. Dynamic Brain Lipid Profiles Modulate Microglial Lipid Droplet Accumulation and Inflammation Under Ischemic Conditions in Mice. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2306863. [PMID: 39252446 DOI: 10.1002/advs.202306863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 07/04/2024] [Indexed: 09/11/2024]
Abstract
Microglia are critically involved in post-stroke inflammation affecting neurological outcomes. Lipid droplet (LD) accumulation in microglia results in a dysfunctional and pro-inflammatory state in the aged brain and worsens the outcome of neuroinflammatory and neurodegenerative diseases. However, the role of LD-rich microglia (LDRM) under stroke conditions is unknown. Using in vitro and in vivo stroke models, herein accumulation patterns of microglial LD and their corresponding microglial inflammatory signaling cascades are studied. Interactions between temporal and spatial dynamics of lipid profiles and microglial phenotypes in different post-stroke brain regions are found. Hence, microglia display enhanced levels of LD accumulation and elevated perilipin 2 (PLIN2) expression patterns when exposed to hypoxia or stroke. Such LDRM exhibit high levels of TNF-α, IL-6, and IL-1β as well as a pro-inflammatory phenotype and differentially expressed lipid metabolism-related genes. These post-ischemic alterations result in distinct lipid profiles with spatial and temporal dynamics, especially with regard to cholesteryl ester and triacylglycerol levels, further exacerbating post-ischemic inflammation. The present study sheds new light on the dynamic changes of brain lipid profiles and aggregation patterns of LD in microglia exposed to ischemia, demonstrating a mutual mechanism between microglial phenotype and function, which contributes to progression of brain injury.
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Affiliation(s)
- Wei Wei
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
- Department of Neurology, The Affiliated Hospital of Southwest Jiaotong University & The Third People's Hospital of Chengdu, Chengdu, Sichuan, 610031, China
| | | | - Wenqiang Xin
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
| | - Yongli Pan
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
| | - Lars Tatenhorst
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
| | - Lin Zhang
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
| | - Irina Graf
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
| | - Yaoyun Kuang
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
| | - Xuan Zheng
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
| | - Zhongnan Hao
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
| | - Aurel Popa-Wagner
- Department of Neurology, University Hospital Essen, University of Duisburg-Essen, 45147, Essen, Germany
| | - Stefan T Gerner
- Department of Neurology, University of Giessen Medical School, 35392, Giessen, Germany
| | - Sabine Huber
- Department of Neurology, University of Giessen Medical School, 35392, Giessen, Germany
| | - Manuel Nietert
- Department of Medical Bioinformatics, UMG, University of Göttingen, 37075, Göttingen, Germany
| | | | - Ertugrul Kilic
- Department of Physiology, Faculty of Medicine, Istanbul Medeniyet University, Istanbul, 34720, Turkey
| | - Dirk M Hermann
- Department of Neurology, University Hospital Essen, University of Duisburg-Essen, 45147, Essen, Germany
| | - Mathias Bähr
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
| | - Hagen B Huttner
- Department of Neurology, University of Giessen Medical School, 35392, Giessen, Germany
| | - Hua Liu
- Department of Neurology, The Affiliated Hospital of Southwest Jiaotong University & The Third People's Hospital of Chengdu, Chengdu, Sichuan, 610031, China
| | - Dirk Fitzner
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
| | - Thorsten R Doeppner
- Department of Neurology, University Medicine Göttingen (UMG), University of Göttingen, 37075, Göttingen, Germany
- Department of Neurology, University of Giessen Medical School, 35392, Giessen, Germany
- Department of Anatomy and Cell Biology, Medical University of Varna, Varna, 9002, Bulgaria
- Center for Mind, Brain and Behavior (CMBB), University of Marburg and Justus Liebig University Giessen, 35037, Giessen, Germany
- Research Institute for Health Sciences and Technologies (SABITA), Medipol University, Istanbul, 34810, Turkey
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14
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Liu MM, Zhu HH, Bai J, Tian ZY, Zhao YJ, Boekhout T, Wang QM. Breast cancer colonization by Malassezia globosa accelerates tumor growth. mBio 2024:e0199324. [PMID: 39235230 DOI: 10.1128/mbio.01993-24] [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: 07/02/2024] [Accepted: 07/18/2024] [Indexed: 09/06/2024] Open
Abstract
Malassezia globosa is a lipophilic basidiomycetous yeast that occurs abundantly in breast tumors and that may contribute to a shortened overall survival of breast cancer (BRAC) patients, suggesting that the yeast may participate in the carcinogenesis of BRAC. However, the mechanisms involved in the M. globosa-based acceleration of BRAC are unknown. Here, we show that M. globosa can colonize mammary tissue in 7,12-dimethylbenz[a] anthracene-induced mice. The abundance of M. globosa shortened the overall survival and increased the tumor incidence. Transcriptome data illustrated that IL-17A plays a key role in tumor growth due to M. globosa colonization, and tumor-associated macrophage infiltration was elevated during M. globosa colonization which triggers M2 polarization of macrophages via toll-like receptors 4/nuclear factor kappa-B (Nf-κB) signaling. Our results show that the expression of sphingosine kinase 1 (Sphk1) is increased in breast tumors after inoculation with M. globosa. Moreover, we discovered that Sphk1-specific small interfering RNA blocked the formation of lipid droplets, which can effectively alleviate the expression of the signal transducer and activator of the transcription 3 (STAT3)/Nf-κB pathway. Taken together, our results demonstrate that M. globosa could be a possible factor for the progression of BRAC. The mechanisms by which M. globosa promotes BRAC development involve the IL-17A/macrophage axis. Meanwhile, Sphk1 overexpression was induced by M. globosa infection, which also promoted the proliferation of MCF-7 cells.IMPORTANCELiterature has suggested that Malassezia globosa is associated with breast tumors; however, this association has not been confirmed. Here, we found that M. globosa colonizes in breast fat pads leading to tumor growth. As a lipophilic yeast, the expression of sphingosine kinase 1 (Sphk1) was upregulated to promote tumor growth after M. globosa colonization. Moreover, the IL-17A/macrophages axis plays a key role in mechanisms involved in the M. globosa-induced breast cancer acceleration from the tumor immune microenvironment perspective.
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Affiliation(s)
- Miao-Miao Liu
- School of Life Sciences, Institute of Life Sciences and Green Development, Hebei University, Baoding, Hebei, China
| | - Hui-Hui Zhu
- School of Life Sciences, Institute of Life Sciences and Green Development, Hebei University, Baoding, Hebei, China
| | - Jie Bai
- School of Life Sciences, Institute of Life Sciences and Green Development, Hebei University, Baoding, Hebei, China
| | - Zi-Ye Tian
- School of Life Sciences, Institute of Life Sciences and Green Development, Hebei University, Baoding, Hebei, China
| | - Yu-Jing Zhao
- School of Life Sciences, Institute of Life Sciences and Green Development, Hebei University, Baoding, Hebei, China
| | - Teun Boekhout
- College of Sciences, King Saud University, Riyadh, Saudi Arabia
| | - Qi-Ming Wang
- School of Life Sciences, Institute of Life Sciences and Green Development, Hebei University, Baoding, Hebei, China
- Hebei Basic Science Center for Biotic Interaction, Hebei University, Baoding, Hebei, China
- Engineering Research Center of Ecological Safety and Conservation in Beijing-Tianjin-Hebei (Xiong'an New Area) of MOE, Xiong'an, China
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15
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Marinho TS, Fabiano MM, Aguila MB, Mandarim-de-Lacerda CA. Principal components analysis on genes related to inflammasome complex and microglial activation in the hypothalamus of obese mice treated with semaglutide (GLP-1 analog). Brain Res 2024; 1846:149225. [PMID: 39243951 DOI: 10.1016/j.brainres.2024.149225] [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: 03/04/2024] [Revised: 08/06/2024] [Accepted: 09/03/2024] [Indexed: 09/09/2024]
Abstract
We studied the effect of semaglutide (glucagon-like peptide type 1 agonist) on hypothalamic pro-inflammatory genes in diet-induced obese mice. Male C57BL/6J mice were fed a control (C) or high-fat (HF) diet for 16 weeks, then divided into six groups and maintained for an additional four-week study: C, C+semaglutide (CS), C pair-feeding (CP), HF, HF+semaglutide (HFS), and HF pair-feeding (HFP).Weight gain (WG), food efficiency (FE), and plasmatic biochemistry were determined. The hypothalamus was removed and prepared for molecular analysis. Semaglutide reduced WG and FE in the HF group. High cytokines levels (tumor necrosis factor alpha, TNF alpha, monocyte chemoattractant protein 1, MCP1, and Resistin) in HF mice were reduced in HFS mice. High pro-inflammatory gene expressions were seen in HF (toll-like receptor 4, Tlr4; Mcp1; interleukin 6, Il6; Tnfa), inflammasome complex (Pirina domain-containing receptor 3, Nlrp3; Caspase 1, Il1b, Il18), and microglial activation (ionized calcium-binding adapter molecule 1, Iba1; cluster differentiation 68, Cd68; argirase 1, Arg1) but mitigated in HFS. The principal components analysis (PCA) based on these markers in a PC1 x PC2 scatterplot put HF and HFP together but far away from a cluster formed by C and HFS, indicating little significance of weight loss (HFP) but decisive action of semaglutide (HFS) in the results. In conclusion, semaglutide benefits hypothalamic pro-inflammatory genes, inflammasome complex, and microglial activation independent of the weight loss effect. Since GLP-1 receptor agonists such as semaglutide are already indicated to treat obesity and diabetes, the potential translational effects on neuroinflammation should be considered.
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Affiliation(s)
- Thatiany S Marinho
- Laboratory of Morphometry, Metabolism, and Cardiovascular Diseases. Biomedical Center, Institute of Biology. The University of the State of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Matheus M Fabiano
- Laboratory of Morphometry, Metabolism, and Cardiovascular Diseases. Biomedical Center, Institute of Biology. The University of the State of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Marcia B Aguila
- Laboratory of Morphometry, Metabolism, and Cardiovascular Diseases. Biomedical Center, Institute of Biology. The University of the State of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Carlos A Mandarim-de-Lacerda
- Laboratory of Morphometry, Metabolism, and Cardiovascular Diseases. Biomedical Center, Institute of Biology. The University of the State of Rio de Janeiro, Rio de Janeiro, Brazil.
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16
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Kim SI, Yang J, Shin J, Shin N, Shin HJ, Lee J, Noh C, Kim DW, Lee SY. Amitriptyline nanoparticle repositioning prolongs the anti-allodynic effect of enhanced microglia targeting. Nanomedicine (Lond) 2024; 19:2099-2112. [PMID: 39229790 DOI: 10.1080/17435889.2024.2390349] [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: 04/24/2024] [Accepted: 08/06/2024] [Indexed: 09/05/2024] Open
Abstract
Aim: Amitriptyline (AMI) has been used to treat neuropathic pain. However, the clinical outcomes remain unsatisfactory, presumably due to a limited understanding of the underlying molecular mechanisms. Here, we investigated a drug repositioning strategy using a low-dose of AMI encapsulated in poly (D, L lactic-co-glycolic acid) (PLGA) nanoparticles (AMI NPs) for neuropathic pain, since PLGA nanoparticles are known to enhance delivery to microglia.Methods: We evaluated the anti-allodynic effects of AMI and AMI NPs on neuropathic pain by assessing behaviors and inflammatory responses in a rat model of spinal nerve ligation (SNL). While the anti-allodynic effect of AMI (30 μg) drug injection on SNL-induced neuropathic pain persisted for 12 h, AMI NPs significantly alleviated mechanical allodynia for 3 days.Results: Histological and cytokine analyses showed AMI NPs facilitated the reduction of microglial activation and pro-inflammatory mediators in the spinal dorsal horn. This study suggests that AMI NPs can provide a sustained anti-allodynic effect by enhancing the targeting of microglia and regulating the release of pro-inflammatory cytokines from activated microglia.Conclusion: Our findings suggest that the use of microglial-targeted NPs continuously releasing AMI (2 μg) as a drug repositioning strategy offers long-term anti-allodynic effects.
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Affiliation(s)
- Song I Kim
- Department of Medical Science, Chungnam National University School of Medicine, Daejeon, 35015, Republic of Korea
- Department of Anatomy & Cell Biology, Brain Research Institute, Chungnam National University School of Medicine, Daejeon, 35015, Republic of Korea
| | - Jiah Yang
- Department of Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX77054, USA
| | - Juhee Shin
- Center for Cognition & Sociality, Institute for Basic Science, Daejeon, Republic of Korea
| | - Nara Shin
- Department of Medical Science, Chungnam National University School of Medicine, Daejeon, 35015, Republic of Korea
- Department of Anatomy & Cell Biology, Brain Research Institute, Chungnam National University School of Medicine, Daejeon, 35015, Republic of Korea
| | - Hyo Jung Shin
- Department of Anatomy & Cell Biology, Brain Research Institute, Chungnam National University School of Medicine, Daejeon, 35015, Republic of Korea
| | - Jiyong Lee
- Department of Anesthesia & Pain Medicine, Chungnam National University School of Medicine, Daejeon, 35015, Republic of Korea
| | - Chan Noh
- Department of Anesthesia & Pain Medicine, Chungnam National University School of Medicine, Daejeon, 35015, Republic of Korea
| | - Dong Woon Kim
- Department of Oral Anatomy & Developmental Biology, College of Dentistry Kyung Hee University 26, Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea
| | - Sun Yeul Lee
- Department of Anesthesia & Pain Medicine, Chungnam National University School of Medicine, Daejeon, 35015, Republic of Korea
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Huang J, Hu X, Li J, Gong D. Edaravone dexborneol promotes M2 microglia polarization against lipopolysaccharide-induced inflammation via suppressing TLR4/MyD88/NF-κB pathway. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024; 397:6647-6659. [PMID: 38489082 DOI: 10.1007/s00210-024-03045-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 03/07/2024] [Indexed: 03/17/2024]
Abstract
Edaravone dexborneol (ED) is a novel neuroprotective compound that consists of two active ingredients, edaravone and ( +)-borneol in a 4:1 ratio, which has been shown the anti-inflammatory properties in animal models of ischemic stroke, cerebral hemorrhage, and autoimmune encephalomyelitis. However, the effect of ED on the polarization of microglia in neuroinflammation has not been elucidated. This study was to investigate the effects of ED on the polarization of microglia induced by lipopolysaccharide (LPS) and potential mechanisms. BV-2 microglial cells were incubated with ED (100, 200, and 400 µM) for 2 h, followed by lipopolysaccharide (LPS, 1 µg/ml) for 12 h. The researchers used the Griess method, western blot, immunocytochemistry, and subcellular fractionation to assess the effects and potential mechanisms of ED on neuroinflammatory reactions. The expression of ROS and the activities of antioxidant enzymes (SOD, GPx, and CAT) in LPS-induced BV-2 cells were also measured using the DCFH-DA fluorescent probe and colorimetric methods, respectively. It was observed that ED significantly declined the levels of TLR4/NF-κB pathway-associated proteins (TLR4, MyD88, p65, p-p65, IκBα, p-IκBα, IKKβ, p-IKKβ) and therefore inhibited LPS-induced production of NO, IL-1β, and TNF-α. Moreover, ED markedly downregulated the M1 marker (iNOS) and upregulated the M2 marker (Arginase-1, Ym-1). In addition, ED also reduced ROS generation and enhanced GPx activity. ED induced the polarization of LPS-stimulated microglia from M1 to M2 against inflammation by negatively regulating the TLR4/MyD88/NF-κB signaling pathway. Additionally, ED performed antioxidative function by depleting the intracellular excessive ROS caused by LPS through the enhancement of the enzymatic activity of GPx. ED may be a potential agent to attenuate neuroinflammation via regulating the polarization of microglia.
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Affiliation(s)
- Jing Huang
- Department of Neurology, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, China
| | - Xiaohui Hu
- Department of Neurology, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, China
| | - Juanqin Li
- Department of Neurology, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, China
| | - Daokai Gong
- Department of Neurology, Jingzhou Hospital Affiliated to Yangtze University, Jingzhou, China.
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Zhang Y, Xiao S, Dan F, Yao G, Hong S, Liu J, Liu Z. Phillygenin inhibits neuroinflammation and promotes functional recovery after spinal cord injury via TLR4 inhibition of the NF-κB signaling pathway. J Orthop Translat 2024; 48:133-145. [PMID: 39220679 PMCID: PMC11363727 DOI: 10.1016/j.jot.2024.07.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 07/11/2024] [Accepted: 07/29/2024] [Indexed: 09/04/2024] Open
Abstract
Background Spinal cord injuries (SCIs) trigger a cascade of detrimental processes, encompassing neuroinflammation and oxidative stress (OS), ultimately leading to neuronal damage. Phillygenin (PHI), isolated from forsythia, is used in a number of biomedical applications, and is known to exhibit anti-neuroinflammation activity. In this study, we investigated the role and mechanistic ability of PHI in the activation of microglia-mediated neuroinflammation and subsequent neuronal apoptosis following SCI. Methods A rat model of SCI was used to investigate the impact of PHI on inflammation, axonal regeneration, neuronal apoptosis, and the restoration of motor function. In vitro, neuroinflammation models were induced by stimulating microglia with lipopolysaccharide (LPS); then, we investigated the influence of PHI on pro-inflammatory mediator release in LPS-treated microglia along with the underlying mechanisms. Finally, we established a co-culture system, featuring microglia and VSC 4.1 cells, to investigate the role of PHI in the activation of microglia-mediated neuronal apoptosis. Results In vivo, PHI significantly inhibited the inflammatory response and neuronal apoptosis while enhancing axonal regeneration and improving motor function recovery. In vitro, PHI inhibited the release of inflammation-related factors from polarized BV2 cells in a dose-dependent manner. The online Swiss Target Prediction database predicted that toll-like receptor 4 (TLR4) was the target protein for PHI. In addition, Molecular Operating Environment software was used to perform molecular docking for PHI with the TLR4 protein; this resulted in a binding energy interaction of -6.7 kcal/mol. PHI inhibited microglia-mediated neuroinflammation, the production of reactive oxygen species (ROS), and activity of the NF-κb signaling pathway. PHI also increased mitochondrial membrane potential (MMP) in VSC 4.1 neuronal cells. In BV2 cells, PHI attenuated the overexpression of TLR4-induced microglial polarization and significantly suppressed the release of inflammatory cytokines. Conclusion PHI ameliorated SCI-induced neuroinflammation by modulating the TLR4/MYD88/NF-κB signaling pathway. PHI has the potential to be administered as a treatment for SCI and represents a novel candidate drug for addressing neuroinflammation mediated by microglial cells. The translational potential of this article We demonstrated that PHI is a potential drug candidate for the therapeutic management of SCI with promising developmental and translational applications.
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Affiliation(s)
- Yu Zhang
- Department of Orthopedics, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Key Laboratory of Spine and Spinal Cord Diseases, Nanchang, China
| | - Shining Xiao
- Jiangxi Provincial Key Laboratory of Spine and Spinal Cord Diseases, Nanchang, China
- Department of Rehabilitation Medicine, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China
| | - Fan Dan
- Department of Orthopedics, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Key Laboratory of Spine and Spinal Cord Diseases, Nanchang, China
| | - Geliang Yao
- Department of Orthopedics, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Key Laboratory of Spine and Spinal Cord Diseases, Nanchang, China
| | - Shu'e Hong
- Department of Orthopedics, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China
| | - Jiaming Liu
- Department of Orthopedics, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Key Laboratory of Spine and Spinal Cord Diseases, Nanchang, China
| | - Zhili Liu
- Department of Orthopedics, The First Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, 330006, China
- Jiangxi Provincial Key Laboratory of Spine and Spinal Cord Diseases, Nanchang, China
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Navabi SP, Badreh F, Khombi Shooshtari M, Hajipour S, Moradi Vastegani S, Khoshnam SE. Microglia-induced neuroinflammation in hippocampal neurogenesis following traumatic brain injury. Heliyon 2024; 10:e35869. [PMID: 39220913 PMCID: PMC11365414 DOI: 10.1016/j.heliyon.2024.e35869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 07/25/2024] [Accepted: 08/05/2024] [Indexed: 09/04/2024] Open
Abstract
Traumatic brain injury (TBI) is one of the most causes of death and disability among people, leading to a wide range of neurological deficits. The important process of neurogenesis in the hippocampus, which includes the production, maturation and integration of new neurons, is affected by TBI due to microglia activation and the inflammatory response. During brain development, microglia are involved in forming or removing synapses, regulating the number of neurons, and repairing damage. However, in response to injury, activated microglia release a variety of pro-inflammatory cytokines, chemokines and other neurotoxic mediators that exacerbate post-TBI injury. These microglia-related changes can negatively affect hippocampal neurogenesis and disrupt learning and memory processes. To date, the intracellular signaling pathways that trigger microglia activation following TBI, as well as the effects of microglia on hippocampal neurogenesis, are poorly understood. In this review article, we discuss the effects of microglia-induced neuroinflammation on hippocampal neurogenesis following TBI, as well as the intracellular signaling pathways of microglia activation.
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Affiliation(s)
- Seyedeh Parisa Navabi
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | | | - Maryam Khombi Shooshtari
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Somayeh Hajipour
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Sadegh Moradi Vastegani
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyed Esmaeil Khoshnam
- Persian Gulf Physiology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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Yin H, Yan Q, Li Y, Tang H. Dihydromyricetin Nanoparticles Alleviate Lipopolysaccharide-Induced Acute Kidney Injury by Decreasing Inflammation and Cell Apoptosis via the TLR4/NF-κB Pathway. J Funct Biomater 2024; 15:249. [PMID: 39330225 PMCID: PMC11433252 DOI: 10.3390/jfb15090249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2024] [Revised: 08/26/2024] [Accepted: 08/26/2024] [Indexed: 09/28/2024] Open
Abstract
Acute kidney injury (AKI) is the most severe and fatal complication of sepsis resulting from infectious trauma. Currently, effective treatment options are still lacking. Dihydromyricetin is the main component extracted from Vine tea (Ampelopsis megalophylla Diels et Gilg). In our previous research, chitosan-tripolyphosphate-encapsulated nanoparticles of dihydromyricetin (CS-DMY-NPs) have been proven to have potential protective effects against cisplatin-induced AKI. Here, we investigated the protective effects and mechanisms of DMY and its nano-formulations against LPS-induced AKI by assessing pathological and inflammatory changes in mice. In mice with LPS-AKI treated with 300 mg/kg CS-DMY-NPs, the levels of creatinine (Cr), blood urea nitrogen (BUN), and KIM-1 were significantly reduced by 56%, 49%, and 88%, respectively. CS-DMY-NPs can upregulate the levels of GSH, SOD, and CAT by 47%, 7%, and 14%, respectively, to inhibit LPS-induced oxidative stress. Moreover, CS-DMY-NPs decreased the levels of IL-6, IL-1β, and MCP-1 by 31%, 49%, and 35%, respectively, to alleviate the inflammatory response. TUNEL and immunohistochemistry showed that CS-DMY-NPs reduced the number of apoptotic cells, increased the Bcl-2/Bax ratio by 30%, and attenuated renal cell apoptosis. Western blot analysis of renal tissue indicated that CS-DMY-NPs inhibited TLR4 expression and downregulated the phosphorylation of NF-κB p65 and IκBα. In summary, DMY prevented LPS-induced AKI by increasing antioxidant capacity, reducing inflammatory responses, and blocking apoptosis, and DMY nanoparticles were shown to have a better protective effect for future applications.
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Affiliation(s)
- Hongmei Yin
- School of Animal Science, Xichang University, Xichang 615012, China
- School of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Qiaohua Yan
- School of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Yinglun Li
- School of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
| | - Huaqiao Tang
- School of Veterinary Medicine, Sichuan Agricultural University, Chengdu 611130, China
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Jin H, He Y, Liu T, Yang T, Sun X, Chen Y, Shen F. Ligustrazine alleviates spinal cord injury-induced neuropathic pain by inhibiting the TLR4/NF-κB signaling pathway. Am J Transl Res 2024; 16:3557-3571. [PMID: 39262708 PMCID: PMC11384385 DOI: 10.62347/yxrq5742] [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: 09/27/2023] [Accepted: 06/04/2024] [Indexed: 09/13/2024]
Abstract
OBJECTIVE To investigate the effects of ligustrazine on neuropathic pain (NPP) in rats with sciatic nerve injury and to provide new scientific insight for broadening the clinical application of ligustrazine. METHODS Human spinal cord cell line STR cells were transfected with TLR4-mimic or mimic negative control (mimic-NC). After transfection, the STR cells were treated with different concentrations of ligustrazine (0, 0.25, 0.5, 1, 2 μm) for 24 h or 48 h. Cell proliferation was detected by MTT assay and colony formation assay. A rat model was further constructed to evaluate mechanical and cold pain sensitivity behaviors by fiber mechanical stimulation and freezing spray. The extracellular fluids of medial prefrontal cortex (mPFC) and central amygdala (CeA) were collected by intracranial dual-site simultaneous microdialysis. The contents of glutamic acid (Glu), aspartate (Asp), glycine (Gly), and γ-aminobutyric acid (GABA) in extracellular fluids were detected by HPLC. RESULTS Compared to the 0 μm group, ligustrazine concentration at 0.5 μm significantly decreased the relative cell viability of STR cells and promoted the cell apoptosis rate. Ligustrazine at 0.25 μm significantly reduced the colony number of STR cells (all P<0.05). Compared to the control group, 1 μM ligustrazine significantly increased the protein expression of Bax and cleaved caspase 3 in STR cells but decreased the protein expression of Bcl-2 (all P<0.001). Compared to the control group, 2 μM ligustrazine treatments significantly reduced the protein levels of TLR4 and p-Akt in STR cells (all P<0.001). However, 2 μM ligustrazine treatments did not change the protein expression of Akt (P>0.05). Compared to the control group, the level of TLR4 in STR cells transfected with TLR4-mimic was significantly increased (P<0.001). Compared to the control group, transfection of TLR4-mimic reversed the anti-proliferative and pro-apoptotic effects of ligustrazine on STR cells (all P<0.001). CONCLUSION The analgesic effect of Ligustrazine on neuropathic pain caused by spinal cord injury may be related to its inhibition of the release of excitatory amino acid transmitters Glu and Gly through the TLR4/NF-κB pathway, regulation of the dynamic balance of excitatory and inhibitory amino acid neurotransmitters, and alleviation of the central sensitization effect caused by the excitotoxicity of Glu.
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Affiliation(s)
- Hong Jin
- Department of Acupuncture and Moxibustion, First Affiliated Hospital of Heilongjiang University of Chinese Medicine Harbin, Heilongjiang, China
| | - Yuhai He
- Department of Anesthesiology, Shenzhen Traditional Chinese Medicine Hospital, Fourth Medical School of Guangzhou University of Traditional Chinese Medicine Shenzhen, Guangdong, China
| | - Tingting Liu
- International Education College, Heilongjiang University of Chinese Medicine Harbin, Heilongjiang, China
| | - Tiansong Yang
- Department of Acupuncture and Moxibustion, First Affiliated Hospital of Heilongjiang University of Chinese Medicine Harbin, Heilongjiang, China
| | - Xiaowei Sun
- Department of Acupuncture and Moxibustion, First Affiliated Hospital of Heilongjiang University of Chinese Medicine Harbin, Heilongjiang, China
| | - Yinghua Chen
- Department of Acupuncture and Moxibustion, First Affiliated Hospital of Heilongjiang University of Chinese Medicine Harbin, Heilongjiang, China
| | - Fengyan Shen
- Department of Anesthesiology, Shenzhen Traditional Chinese Medicine Hospital, Fourth Medical School of Guangzhou University of Traditional Chinese Medicine Shenzhen, Guangdong, China
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Zhang Y, Lin X, Xia L, Xiong S, Xia B, Xie J, Lin Y, Lin L, Wu P. Progress on the Anti-Inflammatory Activity and Structure-Efficacy Relationship of Polysaccharides from Medical and Edible Homologous Traditional Chinese Medicines. Molecules 2024; 29:3852. [PMID: 39202931 PMCID: PMC11356930 DOI: 10.3390/molecules29163852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2024] [Revised: 08/09/2024] [Accepted: 08/12/2024] [Indexed: 09/03/2024] Open
Abstract
Medicinal food varieties developed according to the theory of medical and edible homologues are effective at preventing and treating chronic diseases and in health care. As of 2022, 110 types of traditional Chinese medicines from the same source of medicine and food have been published by the National Health Commission. Inflammation is the immune system's first response to injury, infection, and stress. Chronic inflammation is closely related to many diseases such as atherosclerosis and cancer. Therefore, timely intervention for inflammation is the mainstay treatment for other complex diseases. However, some traditional anti-inflammatory drugs on the market are commonly associated with a number of adverse effects, which seriously affect the health and safety of patients. Therefore, the in-depth development of new safe, harmless, and effective anti-inflammatory drugs has become a hot topic of research and an urgent clinical need. Polysaccharides, one of the main active ingredients of medical and edible homologous traditional Chinese medicines (MEHTCMs), have been confirmed by a large number of studies to exert anti-inflammatory effects through multiple targets and are considered potential natural anti-inflammatory drugs. In addition, the structure of medical and edible homologous traditional Chinese medicines' polysaccharides (MEHTCMPs) may be the key factor determining their anti-inflammatory activity, which makes the underlying the anti-inflammatory effects of polysaccharides and their structure-efficacy relationship hot topics of domestic and international research. However, due to the limitations of the current analytical techniques and tools, the structures have not been fully elucidated and the structure-efficacy relationship is relatively ambiguous, which are some of the difficulties in the process of developing and utilizing MEHTCMPs as novel anti-inflammatory drugs in the future. For this reason, this paper summarizes the potential anti-inflammatory mechanisms of MEHTCMPs, such as the regulation of the Toll-like receptor-related signaling pathway, MAPK signaling pathway, JAK-STAT signaling pathway, NLRP3 signaling pathway, PI3K-AKT signaling pathway, PPAR-γ signaling pathway, Nrf2-HO-1 signaling pathway, and the regulation of intestinal flora, and it systematically analyzes and evaluates the relationships between the anti-inflammatory activity of MEHTCMPs and their structures.
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Affiliation(s)
- Yuanyuan Zhang
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (Y.Z.); (X.L.); (L.X.); (S.X.); (B.X.); (J.X.); (Y.L.)
- Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Xiulian Lin
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (Y.Z.); (X.L.); (L.X.); (S.X.); (B.X.); (J.X.); (Y.L.)
- Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Li Xia
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (Y.Z.); (X.L.); (L.X.); (S.X.); (B.X.); (J.X.); (Y.L.)
- Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Suhui Xiong
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (Y.Z.); (X.L.); (L.X.); (S.X.); (B.X.); (J.X.); (Y.L.)
- Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Bohou Xia
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (Y.Z.); (X.L.); (L.X.); (S.X.); (B.X.); (J.X.); (Y.L.)
- Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Jingchen Xie
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (Y.Z.); (X.L.); (L.X.); (S.X.); (B.X.); (J.X.); (Y.L.)
- Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Yan Lin
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (Y.Z.); (X.L.); (L.X.); (S.X.); (B.X.); (J.X.); (Y.L.)
- Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Limei Lin
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (Y.Z.); (X.L.); (L.X.); (S.X.); (B.X.); (J.X.); (Y.L.)
- Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China
| | - Ping Wu
- School of Pharmacy, Hunan University of Chinese Medicine, Changsha 410208, China; (Y.Z.); (X.L.); (L.X.); (S.X.); (B.X.); (J.X.); (Y.L.)
- Key Laboratory for Quality Evaluation of Bulk Herbs of Hunan Province, Hunan University of Chinese Medicine, Changsha 410208, China
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Zhang BY, Yang R, Zhu WQ, Zhu CL, Chen LX, Zhao YS, Zhang Y, Wang YQ, Jiang DZ, Tang B, Zhang XM. Schisandrin B alleviates testicular inflammation and Sertoli cell apoptosis via AR-JNK pathway. Sci Rep 2024; 14:18418. [PMID: 39117695 PMCID: PMC11310458 DOI: 10.1038/s41598-024-69389-1] [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: 02/07/2024] [Accepted: 08/05/2024] [Indexed: 08/10/2024] Open
Abstract
Bacterial testicular inflammation is one of the important causes of male infertility. Using plant-derived compounds to overcome the side effects of antibiotics is an alternative treatment strategy for many diseases. Schizandrin B (SchB) is a bioactive compound of herbal medicine Schisandra chinensis which has multiple pharmacological effects. However its effect and the mechanism against testicular inflammation are unknown. Here we tackled these questions using models of lipopolysaccharide (LPS)-induced mice and -Sertoli cells (SCs). Histologically, SchB ameliorated the LPS-induced damages of the seminiferous epithelium and blood-testicular barrier, and reduced the production of pro-inflammatory mediators in mouse testes. Furthermore, SchB decreased the levels of pro-inflammatory mediators and inhibited the nuclear factor kB (NF-κB) and MAPK (especially JNK) signaling pathway phosphorylation in LPS-induced mSCs. The bioinformatics analysis based on receptor prediction and the molecular docking was further conducted. We targeted androgen receptor (AR) and illustrated that AR might bind with SchB in its function. Further experiments indicate that the AR expression was upregulated by LPS stimulation, while SchB treatment reversed this phenomenon; similarly, the expression of the JNK-related proteins and apoptotic-related protein were also reversed after AR activator treatment. Together, SchB mitigates LPS-induced inflammation and apoptosis by inhibiting the AR-JNK pathway.
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Affiliation(s)
- Bo-Yang Zhang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Rui Yang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Wen-Qian Zhu
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Chun-Ling Zhu
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, China
| | - Lan-Xin Chen
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yan-Sen Zhao
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yan Zhang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Yue-Qi Wang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Dao-Zhen Jiang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Bo Tang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China
| | - Xue-Ming Zhang
- State Key Laboratory for Diagnosis and Treatment of Severe Zoonotic Infectious Diseases, Key Laboratory for Zoonosis Research of the Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China.
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Yang C, Xu T, Lu Y, Liu J, Chen C, Wang H, Chen X. Quercetin-loaded Human Umbilical cord Mesenchymal Stem Cell-derived sEVs for Spinal Cord Injury Recovery. Neuroscience 2024; 552:14-28. [PMID: 38806069 DOI: 10.1016/j.neuroscience.2024.05.028] [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: 02/26/2024] [Revised: 05/03/2024] [Accepted: 05/22/2024] [Indexed: 05/30/2024]
Abstract
Following spinal cord injury, the inflammatory environment at the injury site causes local microglia and astrocytes to activate, which worsens the nerve damage in the affected area. Quercetin, an anti-inflammatory agent, has been limited in spinal cord injury due to its poor water solubility and easy degradation. Stem cell-derived extracellular vesicles can go through the blood-brain barrier and are an ideal drug delivery system. In this study, umbilical cord mesenchymal stem cell-derived extracellular vesicles were used to load quercetin to prevent its degradation and allow it to accumulate at the site of spinal cord injury. Our results showed that quercetin-loaded extracellular vesicles could inhibit the activation of microglia to M1 phenotype through the TLR4/NF-κB pathway, and the activation of astrocytes to A1 phenotype through the JAK2/STAT3 pathway. This reduced the production of inflammatory factors, mitigated neuronal damage, and inhibited the growth of astroglial scar, but promoted the recovery of motor function in rats with spinal cord injury.
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Affiliation(s)
- Changwei Yang
- Department of Orthopedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Tao Xu
- Department of Orthopedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Yang Lu
- Department of Orthopedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Jianhang Liu
- Department of Orthopedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Cheng Chen
- Department of Orthopedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Heng Wang
- Department of Orthopedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China
| | - Xiaoqing Chen
- Department of Orthopedics, Affiliated Hospital of Nantong University, Medical School of Nantong University, Nantong 226001, China.
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Li J, Xu X, Liu X, Zeng T, Zhang L, Zheng Q. Anti-inflammatory effects and related mechanisms of naringenin in human periodontal ligament stem cells under lipopolysaccharide stimulation based on RNA sequencing. HUA XI KOU QIANG YI XUE ZA ZHI = HUAXI KOUQIANG YIXUE ZAZHI = WEST CHINA JOURNAL OF STOMATOLOGY 2024; 42:512-520. [PMID: 39049640 PMCID: PMC11338485 DOI: 10.7518/hxkq.2024.2023453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 05/28/2024] [Indexed: 07/27/2024]
Abstract
OBJECTIVES RNA sequencing (RNA-seq) and bioinformatic analysis were combined and used to explore the anti-inflammatory effects and mechanisms of naringenin (Nar) in lipopolysaccharide (LPS)-stimulated human periodontal ligament stem cells (hPDLSCs). METHODS Cell counting kit-8, quantitative real-time reverse transcription polymerase chain reaction (qRT-PCR), and enzyme-linked immunosorbent assay (ELISA) were adopted to detect the effects of Nar on the proliferation and expression of inflammatory factors in LPS-stimulated hPDLSCs, screening for the optimal anti-inflammatory concentration of Nar. Differentially expressed genes (DEGs) were screened using |log2FC|≥1 and P≤0.05 as criteria. Volcano plot analysis, Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis, the String database, and the MCODE module of Cytoscape were utilized to select core genes and enriched pathways. The effects on the nuclear factor κB (NF-κB) signaling pathway were verified using ELISA, qRT-PCR, and Western blot. RESULTS Appropriate concentrations of Nar could alleviate the expression of inflammatory factors and promote the proliferation of hPDLSCs stimulated by LPS. The best anti-inflammatory effect was achieved with 20 μmol/L Nar. RNA-seq showed significant enrichment of inflammation-related signaling pathways. The anti-inflammatory effect of Nar was mediated by inhibiting the NF-κB signaling pathway, similar to the effect of the NF-κB inhibitor BAY 11-7802. CONCLUSIONS Nar could exert its anti-inflammatory effects by inhibiting the NF-κB signaling pathway, making it a potential therapeutic option for the adjuvant treatment of periodontitis.
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Affiliation(s)
- Junyu Li
- Dept. of Orthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou 646000, China
- Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou 646000, China
| | - Xiaomei Xu
- Dept. of Orthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou 646000, China
- Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou 646000, China
| | - Xingyu Liu
- Dept. of Orthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou 646000, China
- Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou 646000, China
| | - Ting Zeng
- Dept. of Orthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou 646000, China
- Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou 646000, China
| | - Li Zhang
- Dept. of Orthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou 646000, China
- Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou 646000, China
| | - Qian Zheng
- Dept. of Orthodontics, The Affiliated Stomatological Hospital of Southwest Medical University, Luzhou 646000, China
- Oral & Maxillofacial Reconstruction and Regeneration of Luzhou Key Laboratory, Luzhou 646000, China
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Hernández-Contreras KA, Martínez-Díaz JA, Hernández-Aguilar ME, Herrera-Covarrubias D, Rojas-Durán F, Chi-Castañeda LD, García-Hernández LI, Aranda-Abreu GE. Alterations of mRNAs and Non-coding RNAs Associated with Neuroinflammation in Alzheimer's Disease. Mol Neurobiol 2024; 61:5826-5840. [PMID: 38236345 DOI: 10.1007/s12035-023-03908-5] [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: 04/12/2023] [Accepted: 12/27/2023] [Indexed: 01/19/2024]
Abstract
Alzheimer's disease is a neurodegenerative pathology whose pathognomonic hallmarks are increased generation of β-amyloid (Aβ) peptide, production of hyperphosphorylated (pTau), and neuroinflammation. The last is an alteration closely related to the progression of AD and although it is present in multiple neurodegenerative diseases, the pathophysiological events that characterize neuroinflammatory processes vary depending on the disease. In this article, we focus on mRNA and non-coding RNA alterations as part of the pathophysiological events characteristic of neuroinflammation in AD and the influence of these alterations on the course of the disease through interaction with multiple RNAs related to the generation of Aβ, pTau, and neuroinflammation itself.
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Affiliation(s)
- Karla Aketzalli Hernández-Contreras
- Doctorado en Investigaciones Cerebrales/Universidad Veracruzana, Av. Luis Castelazo Ayala S/N, Carr. Xalapa-Veracruz, Km 3.5, C.P. 91190, Xalapa, Veracruz, México
| | - Jorge Antonio Martínez-Díaz
- Instituto de Investigaciones Cerebrales/Universidad Veracruzana, Av. Luis Castelazo Ayala S/N, Carr. Xalapa-Veracruz, Km 3.5, C.P. 91190, Xalapa, Veracruz, México
| | - María Elena Hernández-Aguilar
- Instituto de Investigaciones Cerebrales/Universidad Veracruzana, Av. Luis Castelazo Ayala S/N, Carr. Xalapa-Veracruz, Km 3.5, C.P. 91190, Xalapa, Veracruz, México
| | - Deissy Herrera-Covarrubias
- Instituto de Investigaciones Cerebrales/Universidad Veracruzana, Av. Luis Castelazo Ayala S/N, Carr. Xalapa-Veracruz, Km 3.5, C.P. 91190, Xalapa, Veracruz, México
| | - Fausto Rojas-Durán
- Instituto de Investigaciones Cerebrales/Universidad Veracruzana, Av. Luis Castelazo Ayala S/N, Carr. Xalapa-Veracruz, Km 3.5, C.P. 91190, Xalapa, Veracruz, México
| | - Lizbeth Donají Chi-Castañeda
- Instituto de Investigaciones Cerebrales/Universidad Veracruzana, Av. Luis Castelazo Ayala S/N, Carr. Xalapa-Veracruz, Km 3.5, C.P. 91190, Xalapa, Veracruz, México
| | - Luis Isauro García-Hernández
- Instituto de Investigaciones Cerebrales/Universidad Veracruzana, Av. Luis Castelazo Ayala S/N, Carr. Xalapa-Veracruz, Km 3.5, C.P. 91190, Xalapa, Veracruz, México
| | - Gonzalo Emiliano Aranda-Abreu
- Instituto de Investigaciones Cerebrales/Universidad Veracruzana, Av. Luis Castelazo Ayala S/N, Carr. Xalapa-Veracruz, Km 3.5, C.P. 91190, Xalapa, Veracruz, México.
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R A, Mohan S, Vellapandian C. A Voyage on the Role of Nuclear Factor Kappa B (NF-kB) Signaling Pathway in Duchenne Muscular Dystrophy: An Inherited Muscle Disorder. Cureus 2024; 16:e67901. [PMID: 39328620 PMCID: PMC11425413 DOI: 10.7759/cureus.67901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2024] [Accepted: 08/27/2024] [Indexed: 09/28/2024] Open
Abstract
A recessive X-linked illness called Duchenne muscular dystrophy (DMD) is characterized by increasing muscle weakening and degradation. It primarily affects boys and is one of the most prevalent and severe forms of muscular dystrophy. Mutations in the DMD gene, which codes for the essential protein dystrophin, which aids in maintaining the stability of muscle cell membranes during contraction, are the cause of the illness. Dystrophin deficiency or malfunction damages muscle cells, resulting in persistent inflammation and progressive loss of muscular mass. The pathophysiology and genetic foundation of DMD are thoroughly examined in this review paper, focusing on the function of the NF-κB signaling system in the disease's progression. An important immune response regulator, NF-κB, is aberrantly activated in DMD, which exacerbates the inflammatory milieu in dystrophic muscles. Muscle injury and fibrosis are exacerbated and muscle regeneration is hampered by the pro-inflammatory cytokines and chemokines that are produced when NF-κB is persistently activated in muscle cells. The paper also examines our existing knowledge of treatment approaches meant to inhibit the progression of disease by modifying NF-κB signaling. These include new molecular techniques, gene treatments, and pharmacological inhibitors that are intended to lessen inflammation and improve muscle healing. Furthermore covered in the analysis is the significance of supportive care for DMD patients, including physical therapy and corticosteroid treatment, in symptom management and quality of life enhancement. The article seeks to provide a thorough understanding of the mechanisms causing DMD, possible therapeutic targets, and developing treatment options by combining recent research findings. This will provide clinicians and researchers involved in DMD care and research with invaluable insights.
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Affiliation(s)
- Akshaya R
- Pharmacy/Pharmacology, Sri Ramaswamy Memorial College of Pharmacy, Sri Ramaswamy Memorial Institute of Science and Technology, Kattankulathur, IND
| | - Sumithra Mohan
- Pharmacology, Sri Ramaswamy Memorial Institute of Science and Technology, Kattankulathur, IND
| | - Chitra Vellapandian
- Pharmacy/Pharmacology, Sri Ramaswamy Memorial College of Pharmacy, Sri Ramaswamy Memorial Institute of Science and Technology, Kattankulathur, IND
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Li F, Sun X, Sun K, Kong F, Jiang X, Kong Q. Lupenone improves motor dysfunction in spinal cord injury mice through inhibiting the inflammasome activation and pyroptosis in microglia via the nuclear factor kappa B pathway. Neural Regen Res 2024; 19:1802-1811. [PMID: 38103247 PMCID: PMC10960275 DOI: 10.4103/1673-5374.389302] [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: 09/22/2022] [Revised: 07/27/2023] [Accepted: 09/13/2023] [Indexed: 12/18/2023] Open
Abstract
JOURNAL/nrgr/04.03/01300535-202408000-00034/figure1/v/2023-12-16T180322Z/r/image-tiff Spinal cord injury-induced motor dysfunction is associated with neuroinflammation. Studies have shown that the triterpenoid lupenone, a natural product found in various plants, has a remarkable anti-inflammatory effect in the context of chronic inflammation. However, the effects of lupenone on acute inflammation induced by spinal cord injury remain unknown. In this study, we established an impact-induced mouse model of spinal cord injury, and then treated the injured mice with lupenone (8 mg/kg, twice a day) by intraperitoneal injection. We also treated BV2 cells with lipopolysaccharide and adenosine 5'-triphosphate to simulate the inflammatory response after spinal cord injury. Our results showed that lupenone reduced IκBα activation and p65 nuclear translocation, inhibited NLRP3 inflammasome function by modulating nuclear factor kappa B, and enhanced the conversion of proinflammatory M1 microglial cells into anti-inflammatory M2 microglial cells. Furthermore, lupenone decreased NLRP3 inflammasome activation, NLRP3-induced microglial cell polarization, and microglia pyroptosis by inhibiting the nuclear factor kappa B pathway. These findings suggest that lupenone protects against spinal cord injury by inhibiting inflammasomes.
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Affiliation(s)
- Fudong Li
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Department of Orthopedic Surgery, Spine Center, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Xiaofei Sun
- Department of Orthopedic Surgery, Spine Center, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Kaiqiang Sun
- Department of Orthopedic Surgery, Naval Medical Center, Naval Medical University, Shanghai, China
| | - Fanqi Kong
- Department of Orthopedic Surgery, Spine Center, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Xin Jiang
- Department of Anesthesiology, Shanghai Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Qingjie Kong
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Li J, Li Q, Ma W, Zhang Y, Li X. Expression of MAF bZIP transcription factor B protects against ulcerative colitis through the inhibition of the NF-κB pathway. Immun Inflamm Dis 2024; 12:e1372. [PMID: 39172054 PMCID: PMC11340633 DOI: 10.1002/iid3.1372] [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: 12/18/2023] [Revised: 07/22/2024] [Accepted: 07/30/2024] [Indexed: 08/23/2024] Open
Abstract
PURPOSE The aim of this study was to explore whether MAF bZIP transcription factor B (MAFB) might alleviate ulcerative colitis (UC) in dextran sulfate sodium (DSS)-induced mice and LPS-induced IEC-6 cells. METHODS UC in vivo and in vitro model was established by using DSS and LPS, respectively. The mice body weight and disease activity index (DAI) score were recorded daily, and colon length was measured. Moreover, the permeability was evaluated utilizing a fluorescein isothiocyanate dextran (FITC-Dextran) probe. Histopathological changes of DSS-induced colitis mice was assessed utilizing H&E staining. Next, qRT-PCR was performed to detect IL-1β, IL-6, TNF-α, and IL-10 level in in vivo and in vitro. Furthermore, the level of MDA, SOD, CAT, and GSH were evaluated in colon tissues. Besides, the expressions of tight junction proteins and NF-κB pathway relative proteins were examined in colitis mice and IEC-6 cells using western blot, immunohistochemistry and immunofluorescence. RESULTS MAFB level was downregulated in DSS-induced colitis mice. Moreover, the upregulation of MAFB protected mice from DSS-induced colitis by suppressing DSS-induced inflammation, oxidative stress, and intestinal barrier impairment. We also demonstrated that the upregulation of MAFB inactivated NF-κB pathway in DSS-caused colitis mice. Subsequently, we observed that MAFB upregulation could inhibit LPS-caused epithelial barrier impairment and inflammation in IEC-6 cells. Additionally, MAFB overexpression could suppress the activation of NF-κB pathway in IEC-6 cells. CONCLUSION The upregulation of MAFB could protect against UC via the suppression of inflammation and the intestinal barrier impairment through inhibiting the NF-κB pathway.
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Affiliation(s)
- Jingwen Li
- Department of GastroenterologyShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
| | - Qingmin Li
- Department of General PracticeShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
- Department of MedicineZhangqiu District Gaoguanzhai Community Health Service CenterJinanShandongChina
| | - Wei Ma
- Department of General PracticeShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
| | - Yongsheng Zhang
- Department of General PracticeShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
| | - Xiaonan Li
- Department of General PracticeShandong Provincial Hospital Affiliated to Shandong First Medical UniversityJinanShandongChina
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Yu M, Fan R, Wang D, Han Y, Dai X, Yang SM. Tannic acid alleviates 3-nitropropionic acid-induced ovarian damage in Brandt's vole (Lasiopodomys brandtii). Reprod Sci 2024; 31:2261-2272. [PMID: 38630174 DOI: 10.1007/s43032-024-01543-6] [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: 01/22/2024] [Accepted: 04/02/2024] [Indexed: 07/31/2024]
Abstract
Tannic acid (TA) is a polyphenol with antioxidant properties present in various plants. In this study, we explored the protective effect of TA against ovarian oxidative stress in Brandt's voles and its underlying mechanism. At various doses, 3-nitropropionic acid (3-NPA) was intraperitoneally injected into Brandt's voles to simulate ovarian oxidative stress. Thereafter, various doses of TA were intragastrically administered to examine the protective effect of TA against 3-NPA-induced ovarian damage. Changes in inflammation, autophagy, apoptosis, and oxidative stress-related factors were investigated through various biochemical and histological techniques. Ovarian oxidative stress was successfully induced by the intraperitoneal administration of 12.5 mg/kg 3-NPA for 18 days. As a result, the ovarian coefficient decreased and ovarian tissue fibrosis was induced. TA treatment effectively alleviated the increase in luteinizing hormone and follicle-stimulating hormone levels; the decrease in estradiol, progesterone, and anti-Müllerian hormone levels; and the decline in fertility induced by 3-NPA. Compared to that in the 3-NPA group, TA decreased the expression of autophagy-related proteins beclin-1 and LC3, as well as the level of apoptosis. It also activated the AKT/mTOR signaling pathway, downregulated PTEN and p-NF-κB expression, and upregulated Nrf2 expression. In conclusion, our findings indicate that TA could inhibit autophagy via the regulation of AKT/mTOR signaling, suppressing oxidative damage and inflammatory responses through Nrf2 to alleviate 3-NPA-induced ovarian damage. Collectively, the current findings highlight the protective effects of TA in Brandt's vole, where it promotes the maintenance of normal ovarian function.
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Affiliation(s)
- Minghao Yu
- School of Food and Biological Engineering, Yantai Institute of Technology, Yantai, 264003, China.
- Department of College of Biological Science and Technology, Yangzhou University, Yangzhou, 225009, China.
| | - Ruiyang Fan
- Department of College of Biological Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Daochen Wang
- Department of College of Biological Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Yuxuan Han
- Department of College of Biological Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Xin Dai
- Department of College of Biological Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Sheng-Mei Yang
- Department of College of Biological Science and Technology, Yangzhou University, Yangzhou, 225009, China.
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Wang Q, Xie Y, Ma S, Luo H, Qiu Y. Role of microglia in diabetic neuropathic pain. Front Cell Dev Biol 2024; 12:1421191. [PMID: 39135776 PMCID: PMC11317412 DOI: 10.3389/fcell.2024.1421191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 07/08/2024] [Indexed: 08/15/2024] Open
Abstract
Approximately one-third of the patients with diabetes worldwide suffer from neuropathic pain, mainly categorized by spontaneous and stimulus-induced pain. Microglia are a class of immune effector cells residing in the central nervous system and play a pivotal role in diabetic neuropathic pain (DNP). Microglia specifically respond to hyperglycemia along with inflammatory cytokines and adenosine triphosphate produced during hyperglycemic damage to nerve fibers. Because of the presence of multiple receptors on the microglial surface, microglia are dynamically and highly responsive to their immediate environment. Following peripheral sensitization caused by hyperglycemia, microglia are affected by the cascade of inflammatory factors and other substances and respond accordingly, resulting in a change in their functional state for DNP pathogenesis. Inhibition of receptors such as P2X reporters, reducing cytokine expression levels in the microglial reactivity mechanisms, and inhibiting their intracellular signaling pathways can effectively alleviate DNP. A variety of drugs attenuate DNP by inhibiting the aforementioned processes induced by microglial reactivity. In this review, we summarize the pathological mechanisms by which microglia promote and maintain DNP, the drugs and therapeutic techniques available, and the latest advances in this field.
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Affiliation(s)
- Qian Wang
- Department of Endocrinology and Metabolism, Jiujiang Hospital of Traditional Chinese Medicine, Jiujiang, Jiangxi, China
- School of Ophthalmology and Optometry, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Yilin Xie
- School of Ophthalmology and Optometry, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Shichao Ma
- School of Ophthalmology and Optometry, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Hongliang Luo
- Department of Gastrointestinal Surgery, The Second Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, Jiangxi, China
| | - Yue Qiu
- Department of Endocrinology and Metabolism, Jiujiang Hospital of Traditional Chinese Medicine, Jiujiang, Jiangxi, China
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Hou J, Wang X, Zhang J, Shen Z, Li X, Yang Y. Chuanxiong Renshen Decoction Inhibits Alzheimer's Disease Neuroinflammation by Regulating PPARγ/NF-κB Pathway. Drug Des Devel Ther 2024; 18:3209-3232. [PMID: 39071817 PMCID: PMC11283787 DOI: 10.2147/dddt.s462266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2024] [Accepted: 07/12/2024] [Indexed: 07/30/2024] Open
Abstract
Background and Aim Previous studies of our research group have shown that Chuanxiong Renshen Decoction (CRD) has the effect of treating AD, but the exact mechanism of its effect is still not clarified. The aim of this study was to investigate the effect and mechanism of CRD on AD neuroinflammation. Materials and Methods Morris Water Maze (MWM) tests were employed to assess the memory and learning capacity of AD mice. HE and Nissl staining were used to observe the neural cells of mice. The expression of Iba-1 and CD86 were detected by immunohistochemical staining. Utilize UHPLC-MS/MS metabolomics techniques and the KEGG to analyze the metabolic pathways of CRD against AD. Lipopolysaccharide (LPS) induced BV2 microglia cells to construct a neuroinflammatory model. The expression of Iba-1 and CD86 were detected by immunofluorescence and flow cytometry. The contents of TNF-α and IL-1β were detected by ELISA. Western blot assay was used to detect the expression of PPARγ, p-NF-κB p65, NF-κB p65 proteins and inflammatory cytokines iNOS and COX-2 in PPARγ/NF-κB pathway with and without PPARγ inhibitor GW9662. Results CRD ameliorated the learning and memory ability of 3×Tg-AD mice, repaired the damaged nerve cells in the hippocampus, reduced the area of Iba-1 and CD86 positive areas in both the hippocampus and cortex regions, as well as attenuated serum levels of IL-1β and TNF-α in mice. CRD-containing serum significantly decreased the expression level of Iba-1, significantly reduced the levels of TNF-α and IL-1β, significantly increased the protein expression of PPARγ, and significantly decreased the proteins expression of iNOS, COX-2 and p-NF-κB p65 in BV2 microglia cells. After addition of PPARγ inhibitor GW9662, the inhibitory effect of CRD-containing serum on NF-κB activation was significantly weakened. Conclusion CRD can activate PPARγ, regulating PPARγ/NF-κB signaling pathway, inhibiting microglia over-activation and reducing AD neuroinflammation.
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Affiliation(s)
- Jinling Hou
- School of Pharmacy, Hangzhou Medical College, Hangzhou, People’s Republic of China
| | - Xiaoyan Wang
- School of Pharmacy, Hangzhou Medical College, Hangzhou, People’s Republic of China
| | - Jian Zhang
- School of Pharmacy, Hangzhou Medical College, Hangzhou, People’s Republic of China
| | - Zhuojun Shen
- School of Pharmacy, Hangzhou Medical College, Hangzhou, People’s Republic of China
| | - Xiang Li
- School of Basic Medical Sciences and Forensic Medicine, Hangzhou Medical College, Hangzhou, People’s Republic of China
| | - Yuanxiao Yang
- School of Basic Medical Sciences and Forensic Medicine, Hangzhou Medical College, Hangzhou, People’s Republic of China
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Xu L, Yang L, Xu H, Li Y, Peng F, Qiu W, Tang C. Lycium barbarum glycopeptide ameliorates motor and visual deficits in autoimmune inflammatory diseases. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 129:155610. [PMID: 38640861 DOI: 10.1016/j.phymed.2024.155610] [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: 11/23/2023] [Revised: 03/07/2024] [Accepted: 04/07/2024] [Indexed: 04/21/2024]
Abstract
BACKGROUND Lycium barbarum glycopeptide (LbGp), extracted from the traditional Chinese medicine (TCM) of Lycium barbarum (LB), provides a neuroprotective effect against neurodegenerative and neuroimmune disorders contributing to its immunomodulatory and anti-inflammatory roles. Neuromyelitis optica spectrum disorders (NMOSD) is an autoimmune-mediated central nervous system (CNS) demyelinating disease, clinically manifested as transverse myelitis (TM) and optic neuritis. However, no drug has been demonstrated to be effective in relieving limb weakness and visual impairment of NMOSD patients. PURPOSE This study investigates the potential role of LbGp in ameliorating pathologic lesions and improving neurological dysfunction during NMOSD progression, and to elucidate the underlying mechanisms for the first time. STUDY DESIGN We administrate LbGp in experimental NMOSD models in ex vivo and in vivo to explore its effect on NMOSD. METHODS To evaluate motor function, both rotarod and gait tasks were performed in systemic NMOSD mice models. Furthermore, we assessed the severity of NMO-like lesions of astrocytes, organotypic cerebellar slices, as well as brain, spinal cord and optic nerve sections from NMOSD mouse models with LbGp treatment by immunofluorescent staining. In addition, demyelination levels in optic nerve were measured by G-ratio through Electro-microscopy (EM). And inflammation response was explored through detecting the protein levels of proinflammatory cytokines and NF-κB signaling in astrocytic culture medium and spinal cord homogenates respectively by Elisa and by Western blotting. RESULTS LbGp could significantly reduce astrocytes injury, demyelination, and microglial activation in NMOSD models. In addition, LbGp also improved locomotor and visual dysfunction through preventing neuron and retinal ganglion cells (RGCs) from inflammatory attack in a systemic mouse model. Mechanistically, LbGp inhibits proinflammatory factors release via inhibition of NF-κB signaling in NMOSD models. CONCLUSION This study provides evidence to develop LbGp as a functional TCM for the clinical treatment of NMOSD.
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Affiliation(s)
- Li Xu
- Department of Neurology, The Third Affiliated Hospital of Sun Yat-Sen University, 600 Tianhe Road, Guangzhou, Guangdong Province, PR China
| | - Lu Yang
- Department of Neurology, The Third Affiliated Hospital of Sun Yat-Sen University, 600 Tianhe Road, Guangzhou, Guangdong Province, PR China
| | - Huiming Xu
- Department of Neurology, The Third Affiliated Hospital of Sun Yat-Sen University, 600 Tianhe Road, Guangzhou, Guangdong Province, PR China
| | - Yuhan Li
- Department of Neurology, The Third Affiliated Hospital of Sun Yat-Sen University, 600 Tianhe Road, Guangzhou, Guangdong Province, PR China
| | - Fuhua Peng
- Department of Neurology, The Third Affiliated Hospital of Sun Yat-Sen University, 600 Tianhe Road, Guangzhou, Guangdong Province, PR China.
| | - Wei Qiu
- Department of Neurology, The Third Affiliated Hospital of Sun Yat-Sen University, 600 Tianhe Road, Guangzhou, Guangdong Province, PR China.
| | - Changyong Tang
- Department of Neurology, The Third Affiliated Hospital of Sun Yat-Sen University, 600 Tianhe Road, Guangzhou, Guangdong Province, PR China.
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Wu J, Lin F, Chen B. Daphnoretin inhibited SCI-induced inflammation and activation of NF-κB pathway in spinal dorsal horn. Aging (Albany NY) 2024; 16:9680-9691. [PMID: 38843384 PMCID: PMC11210226 DOI: 10.18632/aging.205893] [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: 11/03/2023] [Accepted: 04/16/2024] [Indexed: 06/22/2024]
Abstract
OBJECTIVE Spinal cord injury (SCI) is a devastating disease for which there is no safe and effective treatment at present. Daphnoretin is a natural discoumarin compound isolated from Wikstroemia indica with various pharmacological activities. Our study aimed to investigate the role of Daphnoretin in NF-κB pathway activation and inflammatory response after SCI. METHODS A mouse SCI model was constructed, and the Basso Mouse Scale Score and subscore were used to evaluate the effect of Daphnoretin on the movement capacity of mice. The effect of Daphnoretin on the activation of glial cells in the mouse model and BV2 cells was observed by immunofluorescence. PCR and ELISA were used to detect the expression of inflammatory factors, and Western blot was performed to detect the protein expression associated with NF-κB pathway. RESULTS Daphnoretin inhibited the loss of movement ability and the activation of glial cells in mice after SCI, and it also inhibited the activation of NF-κB pathway and the expression of inflammatory factors TNF-α and IL-1β in vivo and in vitro. CONCLUSIONS Daphnoretin can inhibit the activation of NF-κB pathway and the inflammatory response induced by SCI. Our study demonstrates the potential of Daphnoretin on clinical application for the treatment of SCI.
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Affiliation(s)
- Jiazhang Wu
- Department of Orthopaedics, Fuzhou Second General Hospital, School of Clinical Medicine, Fujian Medical University, Fuzhou 350007, China
- Department of Orthopaedics, Fuzhou Second Hospital of Xiamen University, School of Medicine, Xiamen University, Fuzhou 350007, China
- Fujian Provincial Clinical Medical Research Center for First Aid and Rehabilitation in Orthopaedic Trauma, Fuzhou Trauma Medical Center, Fuzhou 350007, China
| | - Fengfei Lin
- Department of Orthopaedics, Fuzhou Second General Hospital, School of Clinical Medicine, Fujian Medical University, Fuzhou 350007, China
- Department of Orthopaedics, Fuzhou Second Hospital of Xiamen University, School of Medicine, Xiamen University, Fuzhou 350007, China
- Fujian Provincial Clinical Medical Research Center for First Aid and Rehabilitation in Orthopaedic Trauma, Fuzhou Trauma Medical Center, Fuzhou 350007, China
| | - Bin Chen
- Department of Orthopaedics, Fuzhou Second General Hospital, School of Clinical Medicine, Fujian Medical University, Fuzhou 350007, China
- Department of Orthopaedics, Fuzhou Second Hospital of Xiamen University, School of Medicine, Xiamen University, Fuzhou 350007, China
- Fujian Provincial Clinical Medical Research Center for First Aid and Rehabilitation in Orthopaedic Trauma, Fuzhou Trauma Medical Center, Fuzhou 350007, China
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Cui B, Zhang N, Zhang W, Ning Q, Wang X, Feng H, Liu R, Li Z, Li J. ROS-responsive celastrol-nanomedicine alleviates inflammation for dry eye disease. NANOTECHNOLOGY 2024; 35:335102. [PMID: 38829163 DOI: 10.1088/1361-6528/ad4ee5] [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: 12/30/2023] [Accepted: 05/22/2024] [Indexed: 06/05/2024]
Abstract
Dry eye disease (DED) is a major global eye disease leading to severe eye discomfort and even vision impairment. The incidence of DED has been gradually increasing with the high frequency of use of electronic devices. It has been demonstrated that celastrol (Cel) has excellent therapeutic efficacy in ocular disorders. However, the poor water solubility and short half-life of Cel limit its further therapeutic applications. In this work, a reactive oxygen species (ROS) sensitive polymeric micelle was fabricated for Cel delivery. The micelles improve the solubility of Cel, and the resulting Cel loaded micelles exhibit an enhanced intervention effect for DED. Thein vitroresults demonstrated that Cel-nanomedicine had a marked ROS responsive release behavior. The results ofin vitroandin vivoexperiments demonstrated that Cel has excellent biological activities to alleviate inflammation in DED by inhibiting TLR4 signaling activation and reducing pro-inflammatory cytokine expression. Therefore, the Cel nanomedicine can effectively eliminate ocular inflammation, promote corneal epithelial repair, and restore the number of goblet cells and tear secretion, providing a new option for the treatment of DED.
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Affiliation(s)
- Bingbing Cui
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, People's Republic of China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Nan Zhang
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, People's Republic of China
| | - Wei Zhang
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, People's Republic of China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Qingyun Ning
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, People's Republic of China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Xing Wang
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, People's Republic of China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, People's Republic of China
| | - Huayang Feng
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, People's Republic of China
| | - Ruixing Liu
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, People's Republic of China
| | - Zhanrong Li
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, People's Republic of China
| | - Jingguo Li
- Henan Eye Hospital, Henan Provincial People's Hospital, People's Hospital of Zhengzhou University, Zhengzhou 450003, People's Republic of China
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, People's Republic of China
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Li H, Qian J, Wang Y, Wang J, Mi X, Qu L, Song N, Xie J. Potential convergence of olfactory dysfunction in Parkinson's disease and COVID-19: The role of neuroinflammation. Ageing Res Rev 2024; 97:102288. [PMID: 38580172 DOI: 10.1016/j.arr.2024.102288] [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: 12/12/2023] [Revised: 03/28/2024] [Accepted: 03/30/2024] [Indexed: 04/07/2024]
Abstract
Parkinson's disease (PD) is a prevalent neurodegenerative disorder that affects 7-10 million individuals worldwide. A common early symptom of PD is olfactory dysfunction (OD), and more than 90% of PD patients suffer from OD. Recent studies have highlighted a high incidence of OD in patients with SARS-CoV-2 infection. This review investigates the potential convergence of OD in PD and COVID-19, particularly focusing on the mechanisms by which neuroinflammation contributes to OD and neurological events. Starting from our fundamental understanding of the olfactory bulb, we summarize the clinical features of OD and pathological features of the olfactory bulb from clinical cases and autopsy reports in PD patients. We then examine SARS-CoV-2-induced olfactory bulb neuropathology and OD and emphasize the SARS-CoV-2-induced neuroinflammatory cascades potentially leading to PD manifestations. By activating microglia and astrocytes, as well as facilitating the aggregation of α-synuclein, SARS-CoV-2 could contribute to the onset or exacerbation of PD. We also discuss the possible contributions of NF-κB, the NLRP3 inflammasome, and the JAK/STAT, p38 MAPK, TLR4, IL-6/JAK2/STAT3 and cGAS-STING signaling pathways. Although olfactory dysfunction in patients with COVID-19 may be reversible, it is challenging to restore OD in patients with PD. With the emergence of new SARS-CoV-2 variants and the recurrence of infections, we call for continued attention to the intersection between PD and SARS-CoV-2 infection, especially from the perspective of OD.
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Affiliation(s)
- Hui Li
- Institute of Brain Science and Disease, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, China
| | - Junliang Qian
- Institute of Brain Science and Disease, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, China
| | - Youcui Wang
- Institute of Brain Science and Disease, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, China
| | - Juan Wang
- Institute of Brain Science and Disease, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, China
| | - Xiaoqing Mi
- Institute of Brain Science and Disease, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, China
| | - Le Qu
- Institute of Brain Science and Disease, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, China
| | - Ning Song
- Institute of Brain Science and Disease, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, China.
| | - Junxia Xie
- Institute of Brain Science and Disease, Shandong Provincial Collaborative Innovation Center for Neurodegenerative Disorders, Shandong Provincial Key Laboratory of Pathogenesis and Prevention of Neurological Disorders, Qingdao University, Qingdao, China.
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Wu Z, Song Y, Wang Y, Zhou H, Chen L, Zhan Y, Li T, Xie G, Wu H. Biological role of mitochondrial TLR4-mediated NF-κB signaling pathway in central nervous system injury. Cell Biochem Funct 2024; 42:e4056. [PMID: 38812104 DOI: 10.1002/cbf.4056] [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: 12/12/2023] [Revised: 05/09/2024] [Accepted: 05/12/2024] [Indexed: 05/31/2024]
Abstract
Previous studies suggested that central nervous system injury is often accompanied by the activation of Toll-like receptor 4/NF-κB pathway, which leads to the upregulation of proapoptotic gene expression, causes mitochondrial oxidative stress, and further aggravates the inflammatory response to induce cell apoptosis. Subsequent studies have shown that NF-κB and IκBα can directly act on mitochondria. Therefore, elucidation of the specific mechanisms of NF-κB and IκBα in mitochondria may help to discover new therapeutic targets for central nervous system injury. Recent studies have suggested that NF-κB (especially RelA) in mitochondria can inhibit mitochondrial respiration or DNA expression, leading to mitochondrial dysfunction. IκBα silencing will cause reactive oxygen species storm and initiate the mitochondrial apoptosis pathway. Other research results suggest that RelA can regulate mitochondrial respiration and energy metabolism balance by interacting with p53 and STAT3, thus initiating the mitochondrial protection mechanism. IκBα can also inhibit apoptosis in mitochondria by interacting with VDAC1 and other molecules. Regulating the biological role of NF-κB signaling pathway in mitochondria by targeting key proteins such as p53, STAT3, and VDAC1 may help maintain the balance of mitochondrial respiration and energy metabolism, thereby protecting nerve cells and reducing inflammatory storms and death caused by ischemia and hypoxia.
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Affiliation(s)
- Zhuochao Wu
- Department of Pharmacy, Ningbo Medical Center LiHuiLi Hospital, The Affiliated LiHuiLi Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Ying Song
- Department of Pharmacology, Zhejiang University of Technology, Hangzhou, China
| | - Ying Wang
- Department of Pharmacy, Ningbo Medical Center LiHuiLi Hospital, The Affiliated LiHuiLi Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Hua Zhou
- Department of Pharmacy, Ningbo Medical Center LiHuiLi Hospital, The Affiliated LiHuiLi Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Lingling Chen
- Department of Ultrasonic, Cixi Hospital of Traditional Chinese Medicine, Ningbo, Zhejiang, China
| | - Yunyun Zhan
- Department of Pharmacy, Ningbo Medical Center LiHuiLi Hospital, The Affiliated LiHuiLi Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Ting Li
- Department of Pharmacy, Ningbo Medical Center LiHuiLi Hospital, The Affiliated LiHuiLi Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Guomin Xie
- Department of Neurology, Ningbo Medical Center LiHuiLi Hospital, The Affiliated LiHuiLi Hospital of Ningbo University, Ningbo, Zhejiang, China
| | - Hao Wu
- Ningbo Institute of Innovation for Combined Medicine and Engineering, Ningbo Medical Center LiHuiLi Hospital, The Affiliated LiHuiLi Hospital of Ningbo University, Ningbo, Zhejiang, China
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Lin X, Peng N, Huang P, Xiong Q, Lin H, Tang C, Tsauo C, Peng L. Potential of quaternized chitins in peri-implantitis treatment: In vitro evaluation of antibacterial, anti-inflammatory, and antioxidant properties. Int J Biol Macromol 2024; 272:132612. [PMID: 38795897 DOI: 10.1016/j.ijbiomac.2024.132612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 04/03/2024] [Accepted: 05/22/2024] [Indexed: 05/28/2024]
Affiliation(s)
- Xiqiu Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Na Peng
- Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China
| | - Peijun Huang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Qiuchan Xiong
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Huishan Lin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Chenxi Tang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China
| | - Chialing Tsauo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Sichuan 610041, China
| | - Lin Peng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
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Levytskyi H, Sheiko V. Predicting the dynamics of organ failure in patients with acute pancreatitis depending on the mean platelet volume. Surg Open Sci 2024; 19:166-171. [PMID: 38770184 PMCID: PMC11103941 DOI: 10.1016/j.sopen.2024.04.011] [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: 12/28/2023] [Revised: 04/02/2024] [Accepted: 04/28/2024] [Indexed: 05/22/2024] Open
Abstract
Background The aim of this study is to determine the correlation between the blood serum mean platelet volume (MPV) and the dynamics of the OF course during the early phase in patients with moderately severe and severe acute pancreatitis (AP). Methods The predetermined criterion was the presence of the OF according to the revised Atlanta criteria 2012 for moderately severe and severe AP. A prospective sample of patients was stratified by severity, and two groups were defined based on MPV. Demographic indicators, comorbidities and clinical outcomes were compared between these groups. Multifactorial analysis determined whether an elevated MPV is independently associated with early OF and other unfavorable outcomes. Results Out of 108 patients, 20 had moderately severe AP and 88 had severe AP. The blood serum MPV, measured within 72 h of the onset of AP symptoms was lower 11.8 fL in 32 patients and equal to or greater 11.8 fL in 76 patients. Patients with elevated MPV were older (63 vs. 48 years), had obesity (59.2 % vs. 25 %), diabetes mellitus (DM) (51.3 % vs. 12.5 %), ischemic heart disease (70.8 % vs. 28.1 %) and more frequently experienced persistent OF (93.4 % vs. 53.1 %) compared to those with MPV lower 11.8 fL. The incidence of early OF increased proportionally with the severity of MPV (81.6 % vs. 34.4 % in the group with MPV lower 11.8 fL, Ptrend < 0.0001). In multifactorial analysis, adjusted for body mass index and DM, MPV equal to or greater 11.8 fL was independently associated with early OF. Conclusions Elevated blood serum MPV of patients with AP are independently and proportionally correlated with early organ failure in patients with alcoholic and idiopathic etiology of AP. Key message The study provides an evaluation of MPV as a prognostic marker for organ failure within the initial 7 days following the onset of acute pancreatitis symptoms. Additionally, alterations in MPV were identified in patients with acute pancreatitis who had diabetes or ischemic heart disease within the first 24 h of hospitalization.
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Affiliation(s)
- Heorhii Levytskyi
- Department of Surgery No. 2, Poltava State Medical University, Poltava, Ukraine
| | - Volodymyr Sheiko
- Department of Surgery No. 2, Poltava State Medical University, Poltava, Ukraine
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Gao F, Zhang Z, Xue N, Ma Y, Jiao J, Wang C, Zhang K, Lin Y, Li S, Guo Z, An J, Wang P, Xu B, Lei H. Identification of a novel oligopeptide from defatted walnut meal hydrolysate as a potential neuroprotective agent. Food Funct 2024; 15:5566-5578. [PMID: 38712886 DOI: 10.1039/d3fo05501a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Free radical damage and oxidative stress are thought to play a crucial role in the development of neurodegenerative diseases. Walnut peptides, especially walnut oligopeptides, have been shown to protect nerve cells from oxidative stress and inflammatory damage, as well as improve memory function. In this study, walnut peptides were obtained from walnut meal through enzymatic hydrolysis, ultrafiltration, and gel filtration chromatography. A novel oligopeptide called AQ was successfully isolated and its chemical structure was identified as AASCDQ using ESI-MS/MS. AQ demonstrated remarkable scavenging activity against O2- free radicals (81.00%), DPPH free radicals (79.40%), and ABTS free radicals (67.09%) at a concentration of 1 mg mL-1. Furthermore, AQ exhibited strong neuroprotective effects against hydrogen peroxide-induced damage in SH-SY5Y cells, reducing cell injury and apoptosis. AQ also effectively inhibited the secretion of pro-inflammatory factors NO (IC50 = 46.03 ± 0.32 μM) and suppressed the expression of IL-6 and TNF-α in RAW264.7 cells stimulated by LPS. In vivo experiments demonstrated that AQ promoted angiogenesis in the quail chick chorioallantoic membrane assay and reduced ROS accumulation in Caenorhabditis elegans, thereby extending its lifespan. The anti-inflammatory mechanism of AQ was further confirmed by western blotting. In summary, the novel oligopeptide AQ possesses potential neuroprotective effects, including antioxidant, anti-inflammatory, angiogenic, and anti-aging properties, making it a promising candidate for the development of functional foods and pharmaceutical products.
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Affiliation(s)
- Feng Gao
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Zixuan Zhang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Nannan Xue
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Yunnan Ma
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Jingyi Jiao
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Cheng Wang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Keyi Zhang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Yixuan Lin
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Shanlan Li
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Zhuoqian Guo
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Jin An
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Penglong Wang
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Bing Xu
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
| | - Haimin Lei
- School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, 102400, China.
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Liu C, Zhao Y, Zhao WJ. Positive Effect of 6-Gingerol on Functional Plasticity of Microglia in a rat Model of LPS-induced Depression. J Neuroimmune Pharmacol 2024; 19:20. [PMID: 38758335 DOI: 10.1007/s11481-024-10123-z] [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: 01/20/2024] [Accepted: 05/09/2024] [Indexed: 05/18/2024]
Abstract
Neuroinflammation has emerged as a crucial factor in the development of depression. Despite the well-known anti-inflammatory properties of 6-gingerol, its potential impact on depression remains poorly understood. This study aimed to investigate the antidepressant effects of 6-gingerol by suppressing microglial activation. In vivo experiments were conducted to evaluate the effect of 6-gingerol on lipopolysaccharide (LPS)-induced behavioral changes and neuroinflammation in rat models. In vitro studies were performed to examine the neuroprotective properties of 6-gingerol against LPS-induced microglial activation. Furthermore, a co-culture system of microglia and neurons was established to assess the influence of 6-gingerol on the expression of synaptic-related proteins, namely synaptophysin (SYP) and postsynaptic density protein 95 (PSD95), which are influenced by microglial activation. In the in vivo experiments, administration of 6-gingerol effectively alleviated LPS-induced depressive behavior in rats. Moreover, it markedly suppressed the activation of rat prefrontal cortex (PFC) microglia induced by LPS and the activation of the NF-κB/NLRP3 inflammatory pathway, while also reducing the levels of inflammatory cytokines IL-1β and IL-18. In the in vitro experiments, 6-gingerol mitigated nuclear translocation of NF-κB p65, NLRP3 activation, and maturation of IL-1β and IL-18, all of which were induced by LPS. Furthermore, in the co-culture system of microglia and neurons, 6-gingerol effectively restored the decreased expression of SYP and PSD95. The findings of this study demonstrate the neuroprotective effects of 6-gingerol in the context of LPS-induced depression-like behavior. These effects are attributed to the inhibition of microglial hyperactivation through the suppression of the NF-κB/NLRP3 inflammatory pathway.
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Affiliation(s)
- Chong Liu
- Department of Cell Biology, Wuxi School of Medicine, Jiangnan University, 1800 Lihu Dadao, Binhu District, Wuxi, Jiangsu, 214122, P.R. China
| | - Yan Zhao
- College of Environmental Science and Engineering, Qingdao University, Qingdao, 266071, China
| | - Wei-Jiang Zhao
- Department of Cell Biology, Wuxi School of Medicine, Jiangnan University, 1800 Lihu Dadao, Binhu District, Wuxi, Jiangsu, 214122, P.R. China.
- Center for Neuroscience, Shantou University Medical College, Shantou, Guangdong, 515041, P.R. China.
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Zhang Y, Ren X, Zhang L, Sun X, Li W, Chen Y, Tian Y, Chu Z, Wei Y, Yao G, Wang Y. Hydrogen gas inhalation ameliorates LPS-induced BPD by inhibiting inflammation via regulating the TLR4-NFκB-IL6/NLRP3 signaling pathway in the placenta. Eur J Med Res 2024; 29:285. [PMID: 38745325 PMCID: PMC11092067 DOI: 10.1186/s40001-024-01874-9] [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: 03/04/2024] [Accepted: 04/28/2024] [Indexed: 05/16/2024] Open
Abstract
INTRODUCTION Hydrogen (H2) is regarded as a novel therapeutic agent against several diseases owing to its inherent biosafety. Bronchopulmonary dysplasia (BPD) has been widely considered among adverse pregnancy outcomes, without effective treatment. Placenta plays a role in defense, synthesis, and immunity, which provides a new perspective for the treatment of BPD. This study aimed to investigate if H2 reduced the placental inflammation to protect the neonatal rat against BPD damage and potential mechanisms. METHODS We induced neonatal BPD model by injecting lipopolysaccharide (LPS, 1 µg) into the amniotic fluid at embryonic day 16.5 as LPS group. LPS + H2 group inhaled 42% H2 gas (4 h/day) until the samples were collected. We primarily analyzed the neonatal outcomes and then compared inflammatory levels from the control group (CON), LPS group and LPS + H2 group. HE staining was performed to evaluate inflammatory levels. RNA sequencing revealed dominant differentially expressed genes. Bioinformatics analysis (GO and KEGG) of RNA-seq was applied to mine the signaling pathways involved in protective effect of H2 on the development of LPS-induced BPD. We further used qRT-PCR, Western blot and ELISA methods to verify differential expression of mRNA and proteins. Moreover, we verified the correlation between the upstream signaling pathways and the downstream targets in LPS-induced BPD model. RESULTS Upon administration of H2, the inflammatory infiltration degree of the LPS-induced placenta was reduced, and infiltration significantly narrowed. Hydrogen normalized LPS-induced perturbed lung development and reduced the death ratio of the fetus and neonate. RNA-seq results revealed the importance of inflammatory response biological processes and Toll-like receptor signaling pathway in protective effect of hydrogen on BPD. The over-activated upstream signals [Toll-like receptor 4 (TLR4), nuclear factor kappa-B p65 (NF-κB p65), Caspase1 (Casp1) and NLR family pyrin domain containing 3 (NLRP3) inflammasome] in LPS placenta were attenuated by H2 inhalation. The downstream targets, inflammatory cytokines/chemokines [interleukin (IL)-6, IL-18, IL-1β, C-C motif chemokine ligand 2 (CCL2) and C-X-C motif chemokine ligand 1 (CXCL1)], were decreased both in mRNA and protein levels by H2 inhalation in LPS-induced placentas to rescue them from BPD. Correlation analysis displayed a positive association of TLR4-mediated signaling pathway both proinflammatory cytokines and chemokines in placenta. CONCLUSION H2 inhalation ameliorates LPS-induced BPD by inhibiting excessive inflammatory cytokines and chemokines via the TLR4-NFκB-IL6/NLRP3 signaling pathway in placenta and may be a potential therapeutic strategy for BPD.
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Affiliation(s)
- Yafang Zhang
- Department of Neonatology and NICU, The Affiliated Taian City Central Hospital of Qingdao University, Taian, Shandong, China
| | - Xianhui Ren
- Medical Imaging Center, The Affiliated Taian City Central Hospital of Qingdao University, Taian, Shandong, China
| | - Linli Zhang
- Department of Neonatology and NICU, The Affiliated Taian City Central Hospital of Qingdao University, Taian, Shandong, China
| | - Xinliu Sun
- Central Laboratory, The Affiliated Taian City Central Hospital of Qingdao University, Taian, Shandong, China
| | - Wenjing Li
- Department of Ultrasound, Taian Traditional Chinese Medicine Hospital, Taian, Shandong, China
| | - Yunxi Chen
- Research Center for Translational Medicine, Tongji University Affiliated East Hospital, Shanghai, China
| | - Yan Tian
- Research Center for Translational Medicine, Tongji University Affiliated East Hospital, Shanghai, China
| | - Zhongxia Chu
- Department of Neonatology and NICU, The Affiliated Taian City Central Hospital of Qingdao University, Taian, Shandong, China
| | - Youzhen Wei
- Central Laboratory, The Affiliated Taian City Central Hospital of Qingdao University, Taian, Shandong, China
| | - Guo Yao
- Department of Neonatology and NICU, The Affiliated Taian City Central Hospital of Qingdao University, Taian, Shandong, China.
| | - Yan Wang
- Department of Neonatology and NICU, The Affiliated Taian City Central Hospital of Qingdao University, Taian, Shandong, China.
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Liu X, Zhang Y, Zhao Y, Zhang Q, Han F. The Neurovascular Unit Dysfunction in the Molecular Mechanisms of Epileptogenesis and Targeted Therapy. Neurosci Bull 2024; 40:621-634. [PMID: 38564049 PMCID: PMC11127907 DOI: 10.1007/s12264-024-01193-3] [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: 08/04/2023] [Accepted: 12/09/2023] [Indexed: 04/04/2024] Open
Abstract
Epilepsy is a multifaceted neurological syndrome characterized by recurrent, spontaneous, and synchronous seizures. The pathogenesis of epilepsy, known as epileptogenesis, involves intricate changes in neurons, neuroglia, and endothelium, leading to structural and functional disorders within neurovascular units and culminating in the development of spontaneous epilepsy. Although current research on epilepsy treatments primarily centers around anti-seizure drugs, it is imperative to seek effective interventions capable of disrupting epileptogenesis. To this end, a comprehensive exploration of the changes and the molecular mechanisms underlying epileptogenesis holds the promise of identifying vital biomarkers for accurate diagnosis and potential therapeutic targets. Emphasizing early diagnosis and timely intervention is paramount, as it stands to significantly improve patient prognosis and alleviate the socioeconomic burden. In this review, we highlight the changes and molecular mechanisms of the neurovascular unit in epileptogenesis and provide a theoretical basis for identifying biomarkers and drug targets.
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Affiliation(s)
- Xiuxiu Liu
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Nanjing, 211166, China.
- International Joint Laboratory for Drug Target of Critical Illnesses, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China.
| | - Ying Zhang
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Nanjing, 211166, China
- International Joint Laboratory for Drug Target of Critical Illnesses, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Yanming Zhao
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Nanjing, 211166, China
- International Joint Laboratory for Drug Target of Critical Illnesses, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Qian Zhang
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Nanjing, 211166, China
- International Joint Laboratory for Drug Target of Critical Illnesses, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China
| | - Feng Han
- Medical Basic Research Innovation Center for Cardiovascular and Cerebrovascular Diseases, Ministry of Education, Nanjing, 211166, China.
- International Joint Laboratory for Drug Target of Critical Illnesses, School of Pharmacy, Nanjing Medical University, Nanjing, 211166, China.
- Institute of Brain Science, The Affiliated Brain Hospital of Nanjing Medical University, Nanjing, 211166, China.
- Gusu School, Nanjing Medical University, Suzhou Municipal Hospital, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, 210019, China.
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Du K, Liang Y, Song Z, Zheng C, Lai L, Zong K, Wang Y, Meng D. Monoterpenoid indole alkaloids from Melodinus axillaris W.T.Wang exhibit anti-inflammatory activities by inhibiting the NF-κB signaling pathways. JOURNAL OF ETHNOPHARMACOLOGY 2024; 324:117771. [PMID: 38242218 DOI: 10.1016/j.jep.2024.117771] [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: 11/14/2023] [Revised: 01/07/2024] [Accepted: 01/11/2024] [Indexed: 01/21/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Melodinus axillaris W.T.Wang has been widely used as an important medicine in China. In the folk of China, its whole plant has been used for fractures, rheumatic heart disease, testitis, hernia, abdominal pain, and dyspepsia, etc. Despite its extensive use, there is a shortage of literature investigating the specific bioactive compounds and underlying mechanisms responsible for their anti-inflammatory effects. This knowledge gap serves as the primary impetus for conducting this study, which aims to shed light on the previously unexplored therapeutic potential of M. axillaris. AIM OF THE STUDY This study aims to investigate the material basis and potential mechanism of anti-inflammatory activity of M. axillaris. MATERIALS AND METHODS Compounds were isolated from the 95% ethanol extract of M. axillaris using a systematic phytochemical method. The structures were established by extensive spectroscopic analysis, including 1D and 2D NMR, HR-ESI-MS, ECD calculation, and DP4+ analysis. The anti-inflammatory activities of ethanol extract and compounds from M. axillaris were tested by an inflammation model of LPS-stimulated RAW264.7 cells in vitro. Western blot analysis was employed to evaluate the expressions of COX-2, iNOS, and NF-κB signaling pathways, aiming to elucidate the underlying mechanisms. RESULTS Eleven undescribed monoterpenoid indole alkaloids (MIAs), axillines A-K (1-11), along with thirteen known analogs were isolated from M. axillaris. Compound 1 was the first representative of vincadine alkaloid with unprecedented 6/5/9/6/6 skeletons. Compounds 1-11 and ethanol extract showed significant anti-inflammatory effects in vitro. Among them, compound 2 had the best activity of inhibiting NO release (IC50 = 3.7 ± 0.9 μM). Additionally, subsequent Western blot analysis revealed that 2 could significantly inhibit the up-regulation of NF-κB signaling pathways, iNOS, and COX-2 in LPS-stimulated RAW264.7 cells, thereby demonstrating its anti-inflammatory activity. CONCLUSION This study provides support for the traditional use of M. axillaris in terms of its anti-inflammatory properties and highlights the potential of MIAs as promising candidates for further development as anti-inflammatory drugs.
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Affiliation(s)
- Kaicheng Du
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Yanan Liang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Zihao Song
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Changwei Zheng
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Lantao Lai
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Kunqi Zong
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China
| | - Yumeng Wang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
| | - Dali Meng
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang, 110016, PR China.
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Su Z, Gao M, Weng L, Xu T. Esculin targets TLR4 to protect against LPS-induced septic cardiomyopathy. Int Immunopharmacol 2024; 131:111897. [PMID: 38513575 DOI: 10.1016/j.intimp.2024.111897] [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: 01/17/2024] [Revised: 03/05/2024] [Accepted: 03/16/2024] [Indexed: 03/23/2024]
Abstract
BACKGROUND Esculin, a main active ingredient from Cortex fraxini, possesses biological activities such as anti-thrombosis, anti-inflammatory, and anti-oxidation effects. However, the effects of Esculin on septic cardiomyopathy remains unclear. This study aimed to explore the protective properties and mechanisms of Esculin in countering sepsis-induced cardiac trauma and dysfunction. METHODS AND RESULTS In lipopolysaccharide (LPS)-induced mice model, Esculin could obviously improve heart injury and function. Esculin treatment also significantly reduced the production of inflammatory and apoptotic cells, the release of inflammatory cytokines, and the expression of oxidative stress-associated and apoptosis-associated markers in hearts compared to LPS injection alone. These results were consistent with those of in vitro experiments based on neonatal rat cardiomyocytes. Database analysis and molecular docking suggested that TLR4 was targeted by Esculin, as shown by stable hydrogen bonds formed between Esculin with VAL-308, ASN-307, CYS-280, CYS-304 and ASP-281 of TLR4. Esculin reversed LPS-induced upregulation of TLR4 and phosphorylation of NF-κB p65 in cardiomyocytes. The plasmid overexpressing TLR4 abolished the protective properties of Esculin in vitro. CONCLUSION We concluded that Esculin could alleviate LPS-induced septic cardiomyopathy via binding to TLR4 to attenuate cardiomyocyte inflammation, oxidative stress and apoptosis.
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Affiliation(s)
- Zhenyang Su
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu, China.
| | - Min Gao
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu, China.
| | - Liqing Weng
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu, China; Department of Geriatrics, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing 210008, Jiangsu, China.
| | - Tianhua Xu
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing 210029, Jiangsu, China.
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Ruan J, Shi Z, Cao X, Dang Z, Zhang Q, Zhang W, Wu L, Zhang Y, Wang T. Research Progress on Anti-Inflammatory Effects and Related Mechanisms of Astragalin. Int J Mol Sci 2024; 25:4476. [PMID: 38674061 PMCID: PMC11050484 DOI: 10.3390/ijms25084476] [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: 03/25/2024] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024] Open
Abstract
Chronic inflammation is a significant contributor to the development of cancer, cardiovascular disease, diabetes, obesity, autoimmune disease, inflammatory bowel disease, and other illnesses. In the academic field, there is a constant demand for effective methods to alleviate inflammation. Astragalin (AST), a type of flavonoid glycoside that is the primary component in several widely used traditional Chinese anti-inflammatory medications in clinical practice, has garnered attention from numerous experts and scholars. This article focuses on the anti-inflammatory effects of AST and conducts research on relevant literature from 2003 to 2023. The findings indicate that AST demonstrates promising anti-inflammatory potential in various models of inflammatory diseases. Specifically, AST is believed to possess inhibitory effects on inflammation-related factors and protein levels in various in vitro cell models, such as macrophages, microglia, and epithelial cells. In vivo studies have shown that AST effectively alleviates neuroinflammation and brain damage while also exhibiting potential for treating moderate diseases such as depression and stroke; it also demonstrates significant anti-inflammatory effects on both large and small intestinal epithelial cells. Animal experiments have further demonstrated that AST exerts therapeutic effects on colitis mice. Molecular biology studies have revealed that AST regulates complex signaling networks, including NF-κB, MAPK, JAK/STAT pathways, etc. In conclusion, this review will provide insights and references for the development of AST as an anti-inflammatory agent as well as for related drug development.
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Affiliation(s)
- Jingya Ruan
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (J.R.); (X.C.); (Z.D.); (Q.Z.)
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (Z.S.); (W.Z.); (L.W.)
| | - Zhongwei Shi
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (Z.S.); (W.Z.); (L.W.)
| | - Xiaoyan Cao
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (J.R.); (X.C.); (Z.D.); (Q.Z.)
| | - Zhunan Dang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (J.R.); (X.C.); (Z.D.); (Q.Z.)
| | - Qianqian Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (J.R.); (X.C.); (Z.D.); (Q.Z.)
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (Z.S.); (W.Z.); (L.W.)
| | - Wei Zhang
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (Z.S.); (W.Z.); (L.W.)
| | - Lijie Wu
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (Z.S.); (W.Z.); (L.W.)
| | - Yi Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (J.R.); (X.C.); (Z.D.); (Q.Z.)
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (Z.S.); (W.Z.); (L.W.)
| | - Tao Wang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (J.R.); (X.C.); (Z.D.); (Q.Z.)
- Tianjin Key Laboratory of TCM Chemistry and Analysis, Tianjin University of Traditional Chinese Medicine, 10 Poyanghu Road, West Area, Tuanbo New Town, Jinghai District, Tianjin 301617, China; (Z.S.); (W.Z.); (L.W.)
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Fu S, Bao X, Wang Z, Tang Y, Wu Q, Zhu B, Zhou F, Ding Z. Antipyretic effect of inhaled Tetrastigma hemsleyanum polysaccharide on substance and energy metabolism in yeast-induced pyrexia mice via TLR4/NF-κb signaling pathway. JOURNAL OF ETHNOPHARMACOLOGY 2024; 323:117732. [PMID: 38218501 DOI: 10.1016/j.jep.2024.117732] [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: 10/28/2023] [Revised: 12/28/2023] [Accepted: 01/06/2024] [Indexed: 01/15/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tetrastigma hemsleyanum Diels et Gilg, is one of the perennial evergreen plants with grass vine, which has obvious curative effect on severe infectious diseases. Although Tetrastigma hemleyanum has long been recognized for its capacity of antipyretic and antitoxic, its specific mechanism is unknown. AIM OF THE STUDY To evaluate the antipyretic effect of Tetrastigma hemleyanum polysaccharide (THP) on mice with dry yeast-induced fever, and to explore its specific antipyretic mechanism. METHODS In this study, THP was administered by aerosol in febrile mice. The rectal temperatures of treated animals were monitored at different time points. Histopathological evaluation and various inflammatory indexes were used to assess inflammatory damage. The concentration variations of the central neurotransmitter, endocrine system, substance and energy metabolism indicators were measured to explore the physiological mechanism. Quantitative real-time PCR, Western bolt and Immunohistochemistry were performed to identify the correlation between antipyretic and TLR4/NF-κB signaling pathway. RESULTS THP reduced the body temperature of febrile mice induced by dry yeast, as well as the levels of thermogenic cytokines and downregulated the contents of thermoregulatory mediators. THP alleviated the pathological damage of liver and hypothalamus caused by fever. In addition, THP decreased the secretion of thyroid hormone, substance and energy metabolism related indicators. Furthermore, THP significantly suppressed TLR4/NF-κB signaling pathway-related indicators. CONCLUSIONS In conclusion, our results suggest that inhaled THP exerts antipyretic effect by mediating the thermoregulatory mediator, decreasing the content of pyrogenic factors to lower the body temperature, and eventually restoring the high metabolic level in the body to normal via inhibiting TLR4/NF-κB signaling pathway. The study provides a reasonable pharmacodynamic basis for the treatment of polysaccharide in febrile-related diseases.
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Affiliation(s)
- Siyu Fu
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China.
| | - Xiaodan Bao
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China.
| | - Zhejiong Wang
- Department of Laboratory Medicine, The First Affiliated Hospital of Zhejiang Chinese Medical University (Zhejiang Provincial Hospital of Traditional Chinese Medicine), Hangzhou, Zhejiang, 310053, China.
| | - Youying Tang
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China.
| | - Qian Wu
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China.
| | - Bingqi Zhu
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China.
| | - Fangmei Zhou
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China.
| | - Zhishan Ding
- School of Medical Technology and Information Engineering, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, 310053, China.
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Fan Z, Wang K, Zhao X, Sun X. P2X7 receptor: A receptor closely linked with sepsis-associated encephalopathy. Open Life Sci 2024; 19:20220775. [PMID: 38585633 PMCID: PMC10998679 DOI: 10.1515/biol-2022-0775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 09/15/2023] [Accepted: 10/27/2023] [Indexed: 04/09/2024] Open
Abstract
Sepsis is defined as a dysregulated host response to infection resulting in life-threatening organ dysfunction. Sepsis-associated encephalopathy (SAE) is the main manifestation of sepsis. Inflammation, peroxidation stress injury, and apoptosis are the main factors involved in the pathogenesis of SAE. A growing body of evidence has proved that P2X7 receptor (P2X7R), a cationic channel receptor that is widely distributed in the body, plays a major role in the occurrence and development of inflammatory injury. Therefore, this review mainly describes the activation of P2X7R in sepsis, which leads to the recruitment of inflammatory cells to the cerebral vasculature, the destruction of the blood-brain barrier, the activation of microglial cells in the brain, the apoptosis of brain cells, and other damage processes. This review also illustrates the potential therapeutic value of P2X7R inhibition in SAE.
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Affiliation(s)
- Zhao Fan
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang261053, Shandong, China
| | - Kaifang Wang
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang261053, Shandong, China
| | - Xiaoyong Zhao
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang261053, Shandong, China
- The Affiliated Hospital of Weifang Medical University, Weifang261021, Shandong, China
| | - Xude Sun
- Shandong Provincial Medicine and Health Key Laboratory of Clinical Anesthesia, School of Anesthesiology, Weifang Medical University, Weifang261053, Shandong, China
- Department of Anesthesiology, Tangdu Hospital, Air Force Military Medical University, Xian710038, Shanxi, China
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Zhou Z, Zeng X, Liao J, Dong X, Deng Y, Wang Y, Zhou M. Immune Characteristic Genes and Neutrophil Immune Transformation Studies in Severe COVID-19. Microorganisms 2024; 12:737. [PMID: 38674681 PMCID: PMC11052247 DOI: 10.3390/microorganisms12040737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 03/26/2024] [Accepted: 03/31/2024] [Indexed: 04/28/2024] Open
Abstract
As a disease causing a global pandemic, the progression of symptoms to severe disease in patients with COVID-19 often has adverse outcomes, but research on the immunopathology of COVID-19 severe disease remains limited. In this study, we used mRNA-seq data from the peripheral blood of COVID-19 patients to identify six COVID-19 severe immune characteristic genes (FPR1, FCGR2A, TLR4, S100A12, CXCL1, and L TF), and found neutrophils to be the critical immune cells in COVID-19 severe disease. Subsequently, using scRNA-seq data from bronchoalveolar lavage fluid from COVID-19 patients, neutrophil subtypes highly expressing the S100A family were found to be located at the end of cellular differentiation and tended to release neutrophil extracellular traps. Finally, it was also found that alveolar macrophages, macrophages, and monocytes with a high expression of COVID-19 severe disease immune characteristic genes may influence neutrophils through intercellular ligand-receptor pairs to promote neutrophil extracellular trap release. This study provides immune characteristic genes, critical immune pathways, and immune cells in COVID-19 severe disease, explores intracellular immune transitions of critical immune cells and pit-induced intercellular communication of immune transitions, and provides new biomarkers and potential drug targets for the treatment of patients with COVID-19 severe disease.
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Affiliation(s)
| | | | | | | | | | - Yinghui Wang
- Department of Radiation Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China; (Z.Z.); (X.Z.); (J.L.); (X.D.); (Y.D.)
| | - Meijuan Zhou
- Department of Radiation Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou 510515, China; (Z.Z.); (X.Z.); (J.L.); (X.D.); (Y.D.)
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Wang Q, Wang L, Botchway BOA, Zhang Y, Huang M, Liu X. OTULIN Can Improve Spinal Cord Injury by the NF-κB and Wnt/β-Catenin Signaling Pathways. Mol Neurobiol 2024:10.1007/s12035-024-04134-3. [PMID: 38561559 DOI: 10.1007/s12035-024-04134-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 03/15/2024] [Indexed: 04/04/2024]
Abstract
Spinal cord injury (SCI) is a significant health concern, as it presently has no effective treatment in the clinical setting. Inflammation is a key player in the pathophysiological process of SCI, with a number of studies evidencing that the inhibition of the NF-κB signaling pathway may impede the inflammatory response and improve SCI. OTULIN, as a de-ubiquitination enzyme, the most notable is its anti-inflammatory effect. OTULIN can inhibit the NF-κB signaling pathway to suppress the inflammatory reaction via de-ubiquitination. In addition, OTULIN may promote vascular regeneration through the Wnt/β-catenin pathway in the wake of SCI. In this review, we analyze the structure and physiological function of OTULIN, along with both NF-κB and Wnt/β-catenin signaling pathways. Furthermore, we examine the significant role of OTULIN in SCI through its impairment of the NF-κB signaling pathway, which could open the possibility of it being a novel interventional target for the condition.
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Affiliation(s)
- Qianhui Wang
- Department of Histology and Embryology, School of Medicine, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China
| | - Lvxia Wang
- Department of Histology and Embryology, School of Medicine, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China
| | - Benson O A Botchway
- Bupa Cromwell Hospital, London, SW5 0TU, UK
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, Nicosia, Cyprus
| | - Yong Zhang
- Department of Histology and Embryology, School of Medicine, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China
| | - Min Huang
- Department of Histology and Embryology, School of Medicine, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China
| | - Xuehong Liu
- Department of Histology and Embryology, School of Medicine, Shaoxing University, Shaoxing, 312000, Zhejiang Province, China.
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