1
|
Shao Y, Yu W, Cai H. Dehydroandrographolide facilitates M2 macrophage polarization by downregulating DUSP3 to inhibit sepsis-associated acute kidney injury. Immun Inflamm Dis 2024; 12:e1249. [PMID: 38629726 PMCID: PMC11022615 DOI: 10.1002/iid3.1249] [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: 01/09/2024] [Revised: 03/21/2024] [Accepted: 03/31/2024] [Indexed: 04/19/2024] Open
Abstract
BACKGROUND Sepsis is perceived as lethal tissue damage and significantly increases mortality in combination with acute kidney injury (AKI). M2 macrophages play important roles in the secretion of anti-inflammatory and tissue repair mediators. We aimed to study the role of Dehydroandrographolide (Deh) in sepsis-associated AKI in vitro and in vivo through lipopolysaccharide (LPS)-induced macrophages model and cecal ligation and puncture-induced AKI mice model, and to reveal the mechanism related to M2 macrophage polarization. METHODS Enzyme-linked immunosorbent assay kits were used to assess the levels of inflammatory factors. Expression of markers related to M1 macrophages and M2 macrophages were analyzed. Additionally, dual specificity phosphatase 3 (DUSP3) expression was tested. Cell apoptosis was evaluated by flow cytometry analysis and terminal-deoxynucleotidyl transferase-mediated nick end labeling staining. Moreover, renal histological assessment was performed by using hematoxylin and eosin staining. RESULTS Deh reduced inflammation of THP-1-derived macrophages exposed to LPS. Besides, Deh induced the polarization of M1 macrophages to M2 and downregulated DUSP3 expression in THP-1-derived macrophages under LPS conditions. Further, DUSP3 overexpression reversed the impacts of Deh on the inflammation and M2 macrophages polarization of THP-1-derived macrophages stimulated by LPS. Additionally, human proximal tubular epithelial cells (HK-2) in the condition medium from DUSP3-overexpressed THP-1-derived macrophages treated with LPS and Deh displayed decreased viability and increased apoptosis and inflammation. The in vivo results suggested that Deh improved the renal function, ameliorated pathological injury, induced the polarization of M1 macrophages to M2, suppressed inflammation and apoptosis, and downregulated DUSP3 expression in sepsis-induced mice. CONCLUSION Deh facilitated M2 macrophage polarization by downregulating DUSP3 to inhibit septic AKI.
Collapse
Affiliation(s)
- Yanyan Shao
- Department of PediatricsThe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhou CityChina
| | - Weihao Yu
- Department of PediatricsThe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhou CityChina
| | - Hailun Cai
- Department of PediatricsThe Second Affiliated Hospital of Wenzhou Medical UniversityWenzhou CityChina
| |
Collapse
|
2
|
Zhang Y, Zeng Y, Huang M, Cao G, Lin L, Wang X, Cheng Q. Andrographolide attenuates sepsis-induced acute kidney injury by inhibiting ferroptosis through the Nrf2/FSP1 pathway. Free Radic Res 2024; 58:156-169. [PMID: 38478853 DOI: 10.1080/10715762.2024.2330413] [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: 09/13/2023] [Accepted: 02/04/2024] [Indexed: 03/23/2024]
Abstract
Sepsis is a systemic inflammatory response syndrome caused by infection, which causes renal dysfunction known as sepsis-associated acute kidney injury (S-AKI). Ferroptosis is a form of lipid peroxidation dependent on iron and reactive oxygen species that differs from other forms of programmed cell death at the morphological and biochemical levels. Andrographolide (AG), a natural diterpenoid lactone compound extracted from Andrographis paniculata, has been shown to have therapeutic effects in kidney disease. In this study, we investigated the novel mechanism by which AG attenuates septic acute kidney injury by inhibiting ferroptosis in renal tubular epithelial cells (HK-2) through the Nrf2/FSP1 pathway. Cecum ligation and puncture (CLP)-induced septic rats and lipopolysaccharide (LPS)-induced HK-2 cells were used for in vivo and in vitro experiments. Firstly, in septic rats and HK-2 cells, AG effectively decreased the levels of kidney injury indicators, including blood creatinine, urea nitrogen, and markers of kidney injury such as neutrophil gelatinase-associated lipid transport protein and kidney injury molecule-1 (KIM-1). In addition, AG prevented ferroptotosis, by avoiding the accumulation of iron and lipid peroxidation, and an increase in SLC7A11 and GPX4 in AG-treated HK-2 cells. Furthermore, AG attenuated mitochondrial damage, including mitochondrial swelling, outer membrane rupture, and a reduction in mitochondrial cristae in LPS-treated HK-2 cells. Ferrostatin-1 (Fer-1), a ferroptosis inhibitor, significantly inhibited LPS-induced ferroptosis in HK-2 cells. Importantly, our results confirm that Nrf2/FSP1 is an important pathway for ferroptosis resistance. Nrf2 siRNA hindered the effect of AG in attenuating acute kidney injury and inhibiting ferroptosis. These findings demonstrate that Nrf2/FSP1-mediated HK-2 ferroptosis is associated with AG, alleviates septic acute kidney injury, and indicates a novel avenue for therapeutic interventions in the treatment of acute kidney injury in sepsis.
Collapse
Affiliation(s)
- Yixin Zhang
- The First Affiliated Hospital of Shihezi University, Shihezi, China
| | | | - Ming Huang
- The First Affiliated Hospital of Shihezi University, Shihezi, China
| | | | - Liang Lin
- The First Affiliated Hospital of Shihezi University, Shihezi, China
| | - Xiaoyue Wang
- The First Affiliated Hospital of Shihezi University, Shihezi, China
| | - Qinghong Cheng
- The First Affiliated Hospital of Shihezi University, Shihezi, China
| |
Collapse
|
3
|
Wu S, Yu Y, Zheng Z, Cheng Q. High mobility group box-1: a potential therapeutic target for allergic rhinitis. Eur J Med Res 2023; 28:430. [PMID: 37828579 PMCID: PMC10571310 DOI: 10.1186/s40001-023-01412-z] [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: 08/18/2023] [Accepted: 09/29/2023] [Indexed: 10/14/2023] Open
Abstract
Allergic rhinitis (AR) is a prevalent chronic inflammatory disease of the nasal mucosa primarily characterized by symptoms, such as nasal itching, sneezing, runny nose, and nasal congestion. It has a high recurrence rate and low cure rate, with a lack of effective drugs for treatment. The current approach to management focuses on symptom control. High mobility group box-1 (HMGB1) is a highly conserved non-histone protein widely present in the nucleus of eukaryotes. It is recognized as a proinflammatory agent, and recent studies have demonstrated its close association with AR. Here, we will elaborate the role and mechanism of HMGB1 in AR, so as to reveal the potential value of HMGB1 in the occurrence and development of AR, and provide a new target for clinical research on the treatment of AR.
Collapse
Affiliation(s)
- Shuhua Wu
- Department of Child Otorhinolaryngology, Anhui Provincial Children's Hospital, No. 39 Wangjiang East Road, Hefei, China
| | - Yangyang Yu
- Department of Function Examination Center, Anhui Chest Hospital, Hefei, China
| | - Zhong Zheng
- Department of Child Otorhinolaryngology, Anhui Provincial Children's Hospital, No. 39 Wangjiang East Road, Hefei, China
| | - Qi Cheng
- Department of Child Otorhinolaryngology, Anhui Provincial Children's Hospital, No. 39 Wangjiang East Road, Hefei, China.
| |
Collapse
|
4
|
Yu L, Liu Y, Cao C, Yang L, Liu H, Wang C. Andrographolide Attenuates Inflammation Due to Intra-Abdominal Sepsis by Enhancing Bacterial Clearance in Mice. J Inflamm Res 2023; 16:4413-4423. [PMID: 37822531 PMCID: PMC10564118 DOI: 10.2147/jir.s422342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 10/03/2023] [Indexed: 10/13/2023] Open
Abstract
Purpose Intra-abdominal infection is a complex pathophysiological process involving multiple systems and organs of the body. Abdominal infections complicated by severe sepsis or septic shock have a high mortality rate of 30-50%. Therefore, novel strategies to treat sepsis are urgently needed. Methods Andrographolide (AD), the main active ingredient of Andrographis paniculata, reportedly exerts beneficial effects on mice with sepsis. However, its exact mechanism of action in attenuating inflammation due to intra-abdominal sepsis remains unclear to date. Hence, this study aimed to examine the therapeutic effects of AD on cecal ligation and puncture (CLP)-induced sepsis and elucidate the underlying mechanisms. Results Results showed that AD therapy could significantly improve the 7-day survival rate and alleviate pathological organ injury in mice with CLP. In addition, AD treatment decreased the levels of proinflammatory factors, such as tumor necrosis factor-α and interleukin (IL)-6 in the peritoneal cavity fluid and blood and increased the level of anti-inflammatory factor IL-10 in the peritoneal cavity fluid of mice with CLP. Moreover, bacterial counts in the blood and peritoneal lavage fluid were lower in the mice treated with AD than in those untreated. Mechanistically, AD treatment increased the percentage and phagocytic activity of macrophages in the peritoneal cavity. Conclusion These data showed that AD can improve the survival of mice with intra-abdominal sepsis by enhancing bacterial clearance, as evidenced by the increased percentages and phagocytic activity of macrophages in the peritoneal cavity. This study is the first to demonstrate the protective effects of AD against intra-abdominal sepsis.
Collapse
Affiliation(s)
- Lechang Yu
- Department of Geriatrics, Tianjin Medical University General Hospital; Tianjin Geriatrics Institute, Tianjin, 300052, People’s Republic of China
| | - Ying Liu
- Department of Integrated Traditional Chinese and Western Medicine, Tianjin First Central Hospital, Tianjin, 300192, People’s Republic of China
| | - Chao Cao
- Department of Emergency Medicine, Tianjin Medical University General Hospital, Tianjin, 300052, People’s Republic of China
| | - Liheng Yang
- Department of Respiratory and Critical Care Medicine, Tianjin Chest Hospital, Tianjin, 300222, People’s Republic of China
| | - Haijing Liu
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, 300052, People’s Republic of China
| | - Chunli Wang
- Department of General Surgery, Tianjin Medical University General Hospital, Tianjin, 300052, People’s Republic of China
| |
Collapse
|
5
|
Xing X, Wang H. Correlation of serum HMGB1 and HMGB2 levels with clinical symptoms in allergic rhinitis children. Medicine (Baltimore) 2023; 102:e34921. [PMID: 37713866 PMCID: PMC10508371 DOI: 10.1097/md.0000000000034921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Accepted: 08/03/2023] [Indexed: 09/17/2023] Open
Abstract
This research aimed to explore the serum high-mobility group box 1 (HMGB1) and high-mobility group box 2 (HMGB2) levels in allergic rhinitis (AR) children and its correlation with clinical results. This present prospective observational study enrolled 179 AR children and 100 healthy children who came to our hospital during October 2020 to August 2022. The serum HMGB1, HMGB2, interleukin (IL)-6, IL-1β, interferon-γ, and C-reactive protein (CRP) levels were measured by enzyme-linked immunosorbent assay. Demographic and clinical statistics including age, body mass index (BMI), sex, diastolic blood pressure, SBP, family history of allergy, Visual Analogue Score (VAS) and Rhinoconjunctivitis Quality of Life Questionnaire were collected. All data used SPSS 18.0 to statistical analyses. The proportion of family history of allergy was obviously higher in the AR group than that in the healthy group. The serum levels of HMGB1, HMGB2 and cytokines were remarkably enhanced in the AR patients. Spearman analysis supported that positive correlation existed among the HMGB1, HMGB2, CRP, IL-6 and IL-1β levels. Serum IL-6, CRP, HMGB2, IL-1β, VAS score and Rhinoconjunctivitis Quality of Life Questionnaire score levels were significantly higher and serum interferon-γ levels were significantly lower in the HMGB1 high expression group. Similar results were found in in the HMGB2 high group compared to the HMGB2 low group. In addition, HMGB1 and HMGB2 could be potential diagnostic biomarkers of AR patients. Finally, we found that HMGB1, HMGB2, IL-6, IL-1β, and family history of allergy were the risk factors for AR. This study showed that the serum HMGB1 and HMGB2 levels was remarkably enhanced in AR patients and closely associated with cytokines. This study may provide new targets and a comprehensive approach for the treatment of AR patients.
Collapse
Affiliation(s)
- Xinxin Xing
- Department of Pediatrics II, First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Xiangfang District, Harbin, China
| | - Hai Wang
- Department of Pediatrics II, First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Xiangfang District, Harbin, China
| |
Collapse
|
6
|
Zhao L, Li H, Zhang S, Dong Z, Cui Q. Serum HMGB1 levels and its clinical significance in elderly patients with intertrochanteric fractures after intramedullary fixation surgery. Medicine (Baltimore) 2023; 102:e32873. [PMID: 36827030 DOI: 10.1097/md.0000000000032873] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
BACKGROUND Intramedullary fixation is a valuable alternative for the treatment of intertrochanteric fractures. However, further development of new biomarkers to predict the prognosis of the patient is still needed for timely and effective treatment and intervention. The present study aimed to explore the serum high-mobility group box 1 (HMGB1) levels in the prognosis of intertrochanteric fracture patients and its correlation with clinical results. METHODS The present prospective cohort study recruited 115 intertrochanteric fracture patients who were admitted from January 2015 to December 2019. All patients were evaluated preoperatively and treated (proximal femoral nail antirotation or intramedullary proximal femoral nail) by the same team. The serum HMGB1, interleukin-6, interleukin-1β, tumor necrosis factor α, and C-reactive protein levels were measured by enzyme-linked immunosorbent assay. Demographic and clinical data of all patients were collected. Harris score was used to assess the prognosis of intertrochanteric fracture patients after 6 months of treatment. Statistical analysis was conducted using SPSS software with P < .05 as statistically different. RESULTS The time of the operation and the amount of bleeding in intramedullary proximal femoral nail were remarkably elevated compared with the proximal femoral nail antirotation group (P < .05). The age, proportion of complications and visual analogue score VAS after 72 hours of surgery in the Harris score < 80 group were remarkably increased compared with Harris score ≥ 80 group (P < .05). In addition, we found that the serum HMGB1 levels in Harris score < 80 group were markedly elevated than the patients in Harris score ≥ 80 group at all time points (P < .05). The results showed that the serum HMGB1 levels at postoperative 48 hours had the highest predictive value for predicting poor prognosis in intertrochanteric fracture patients. It was found that HMGB1, age and VAS after 72 hours of surgery were the risk factors for poor prognosis of intertrochanteric fracture patients. CONCLUSION This study showed that the serum HMGB1 levels was significantly decreased in intertrochanteric fracture patients with bad prognoses. This study may provide a new approach to screening intertrochanteric fracture patients with worse prognoses in advance.
Collapse
Affiliation(s)
- Ling Zhao
- Department of Bone and Joint Surgery, Cangzhou Hospital of Integrated Traditional Chinese and Western Medicine of Hebei Province, Cangzhou, China
| | | | | | | | | |
Collapse
|
7
|
Wang L, Li C, Chen P, Liu C, Cui Z, Deng S, Yang H. Identification of PDCD2 as a Candidate Target of Andrographolide That Arrests the Tumor Cell Cycle by Human Proteome-Scale Screening. ACS Pharmacol Transl Sci 2022; 5:479-490. [DOI: 10.1021/acsptsci.2c00092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lei Wang
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Caifeng Li
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Peng Chen
- Robot intelligence laboratory, Experimental Research Center, China Academy of Chinese Medical Sciences, Dongcheng District, Beijing 100700, China
| | - Chunyuan Liu
- Department of Surgery, Yantai Affiliated Hospital of Binzhou Medical University, Yantai 264100, China
| | - Zhao Cui
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Shiwen Deng
- Beijing Key Laboratory of Traditional Chinese Medicine Basic Research on Prevention and Treatment for Major Diseases, Experimental Research Center, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Hongjun Yang
- Experimental Research Center, China Academy of Chinese Medical Sciences, Dongcheng District, Beijing 100700, China
| |
Collapse
|
8
|
Zhong QY, Luo QH, Lin B, Lin BQ, Su ZR, Zhan JYX. Protective effects of andrographolide sodium bisulfate on UV-induced skin carcinogenesis in mice model. Eur J Pharm Sci 2022; 176:106232. [PMID: 35710077 DOI: 10.1016/j.ejps.2022.106232] [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: 02/21/2022] [Revised: 05/26/2022] [Accepted: 06/04/2022] [Indexed: 11/30/2022]
Abstract
Although the mortality of skin cancer patients is relatively low, there are still a large number of patients died of these tumors at high incidence rate. Chronic exposure to solar UV irradiation is the most common cause of nonmelanoma skin tumors. Our research aimed to explore the effects of andrographolide sodium bisulfate (ASB) on UV-induced skin cancer and to reveal the underlying molecular mechanism. In the present study, histopathology changes, immunohistochemical analysis, ELISA analysis and western blot analysis were mainly used in vivo. The results indicated that ASB significantly inhibited increase of skin epidermal thickness, inflammatory cells infiltration and fibers damage in dermis, oxidative stress injury and skin carcinogenesis. Moreover, the western blot analysis showed that protein expressions of NF-κB, Nrf2, p62, LC3 II/I and p-p62 (Ser 349) in mouse skin induced by UV were dramatically suppressed in the ASB-pretreated groups. Overall, these results suggested that ASB exerted a strong preventive effect and potential therapeutic value against UV-induced skin carcinogenesis in mice through inhibiting NF-κB and Nrf2 signaling pathways and restoring autophagy.
Collapse
Affiliation(s)
- Qing-Yuan Zhong
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, No. 223 Waihuan Road, Guangzhou 510006, PR China
| | - Qi-Hong Luo
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, No. 223 Waihuan Road, Guangzhou 510006, PR China
| | - Bing Lin
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, No. 223 Waihuan Road, Guangzhou 510006, PR China
| | - Bao-Qin Lin
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, No. 223 Waihuan Road, Guangzhou 510006, PR China
| | - Zi-Ren Su
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, No. 223 Waihuan Road, Guangzhou 510006, PR China
| | - Janis Ya-Xian Zhan
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, No. 223 Waihuan Road, Guangzhou 510006, PR China.
| |
Collapse
|
9
|
A Review of Malaysian Herbal Plants and Their Active Constituents with Potential Therapeutic Applications in Sepsis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:8257817. [PMID: 33193799 PMCID: PMC7641701 DOI: 10.1155/2020/8257817] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 09/28/2020] [Accepted: 10/01/2020] [Indexed: 02/06/2023]
Abstract
Sepsis refers to organ failure due to uncontrolled body immune responses towards infection. The systemic inflammatory response triggered by pathogen-associated molecular patterns (PAMPs), such as lipopolysaccharide (LPS) from Gram-negative bacteria, is accompanied by the release of various proinflammatory mediators that can lead to organ damage. The progression to septic shock is even more life-threatening due to hypotension. Thus, sepsis is a leading cause of death and morbidity globally. However, current therapies are mainly symptomatic treatment and rely on the use of antibiotics. The lack of a specific treatment demands exploration of new drugs. Malaysian herbal plants have a long history of usage for medicinal purposes. A total of 64 Malaysian plants commonly used in the herbal industry have been published in Malaysian Herbal Monograph 2015 and Globinmed website (http://www.globinmed.com/). An extensive bibliographic search in databases such as PubMed, ScienceDirect, and Scopus revealed that seven of these plants have antisepsis properties, as evidenced by the therapeutic effect of their extracts or isolated compounds against sepsis-associated inflammatory responses or conditions in in vitro or/and in vivo studies. These include Andrographis paniculata, Zingiber officinale, Curcuma longa, Piper nigrum, Syzygium aromaticum, Momordica charantia, and Centella asiatica. Among these, Z. officinale is the most widely studied plant and seems to have the highest potential for future therapeutic applications in sepsis. Although both extracts as well as active constituents from these herbal plants have demonstrated potential antisepsis activity, the activity might be primarily contributed by the active constituent(s) from each of these plants, which are andrographolide (A. paniculata), 6-gingerol and zingerone (Z. officinale), curcumin (C. longa), piperine and pellitorine (P. nigrum), biflorin (S. aromaticum), and asiaticoside, asiatic acid, and madecassoside (C. asiatica). These active constituents have shown great antisepsis effects, and further investigations into their clinical therapeutic potential may be worthwhile.
Collapse
|
10
|
Zhang XF, Ding MJ, Cheng C, Zhang Y, Xiang SY, Lu J, Liu ZB. Andrographolide attenuates oxidative stress injury in cigarette smoke extract exposed macrophages through inhibiting SIRT1/ERK signaling. Int Immunopharmacol 2020; 81:106230. [PMID: 32032850 DOI: 10.1016/j.intimp.2020.106230] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2019] [Revised: 01/03/2020] [Accepted: 01/19/2020] [Indexed: 10/25/2022]
Abstract
Andrographolide (AG), an ingredient extracted from traditional Chinese herbal medicine Andrographis paniculata, has been demonstrated to have potent anti-inflammatory and anti-oxidative stress properties. The purpose of this study was to investigate whether and how AG attenuated CSE-induced mitochondrial dysfunction, inflammation and oxidative stress in RAW 264.7 cells (a mouse macrophages line). The results showed that AG significantly reduced CSE-induced upregulation of pro-inflammatory cytokines (i.e., TNF-α and IL-1β) in the RAW 264.7 cells. AG inhibited CSE-induced production of reactive oxygen species (ROS) and prevented the reduction of superoxide dismutase (SOD) and glutathione/oxidized glutathione (GSH/GSSG) ratio, indicating the anti-oxidative stress effects of AG in macrophages. AG also improved mitochondrial function and mitochondrial membrane potential. In addition, AG inhibited CSE-induced increase of heme oxygenase (HO)-1, matrix metalloproteinase (MMP)-9 and MMP-12. Moreover, AG increased SIRT1 transcription and expression, suggesting AG inhibits mitochondrial dysfunction, inflammation and oxidative stress via a SIRT1 dependent signaling. We also demonstrated that AG inhibited CSE-induced ERK phosphorylation, and treatment with PD980589, a ERK inhibitor, reversed CSE-induced inflammation and oxidative stress. These results indicated that AG may prevent COPD via the inhibition of SIRT1/ERK signaling pathway, and subsequently inhibition of mitochondrial dysfunction, inflammation, and oxidative stress in macrophages.
Collapse
Affiliation(s)
- Xin-Fang Zhang
- Physiology Department, College of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China; Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
| | - Ming-Jing Ding
- Department of Pulmonary and Critical Care Medicine, Chifeng Municipal Hospital, Chifeng Clinical Medical School of Inner Mongolia Medical University, Inner Mongolia 204000, China
| | - Chen Cheng
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China; College of Acupuncture and Tuina, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
| | - Yi Zhang
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China; College of Acupuncture and Tuina, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
| | - Shui-Ying Xiang
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China; College of Acupuncture and Tuina, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
| | - Jing Lu
- Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China
| | - Zi-Bing Liu
- Physiology Department, College of Integrated Chinese and Western Medicine, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China; Key Laboratory of Xin'an Medicine, Ministry of Education, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China; College of Acupuncture and Tuina, Anhui University of Chinese Medicine, Hefei, Anhui 230038, China.
| |
Collapse
|
11
|
Zhang G, Jiang C, Xie N, Xu Y, Liu L, Liu N. Treatment with andrographolide sulfonate provides additional benefits to imipenem in a mouse model of Klebsiella pneumoniae pneumonia. Biomed Pharmacother 2019; 117:109065. [PMID: 31220744 DOI: 10.1016/j.biopha.2019.109065] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 05/30/2019] [Accepted: 05/31/2019] [Indexed: 01/18/2023] Open
Abstract
Klebsiella pneumoniae is a primary cause of community-acquired and nosocomial respiratory infections, and K. pneumoniae resistance to the current treatment approach with carbapenem is worsening. Andrographolide is a natural diterpenoid from Andrographis paniculata that was shown to exert anti-inflammatory activity. We herein show that pretreatment with a water-soluble andrographolide sulfonate significantly attenuate lung injury and infiltration of inflammatory cells. Interestingly, mice receiving combined treatment with andrographolide sulfonate displayed perfect survival rate than the mice treatment with imipenem alone, and monocyte chemotactic protein 5 (MCP-5) level was decreased further. These findings suggest that andrographolide sulfonate could as a potential synergist for antibiotic treatment of bacteria-induced inflammation.
Collapse
Affiliation(s)
- Guorong Zhang
- China State Institute of Pharmaceutical Industry, Shanghai, China; State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, Shanghai, China
| | - Chunhong Jiang
- State Key Laboratory of Innovative Natural Medicine and TCM Injections, China
| | - Ning Xie
- State Key Laboratory of Innovative Natural Medicine and TCM Injections, China
| | - Yang Xu
- China State Institute of Pharmaceutical Industry, Shanghai, China; State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, Shanghai, China
| | - Li Liu
- China State Institute of Pharmaceutical Industry, Shanghai, China; State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, Shanghai, China; Shanghai Professional and Technical Service Center for Biological Material Druggability Evaluation, Shanghai, China.
| | - Nan Liu
- China State Institute of Pharmaceutical Industry, Shanghai, China; State Key Laboratory of New Drug and Pharmaceutical Process, Shanghai Institute of Pharmaceutical Industry, Shanghai, China.
| |
Collapse
|
12
|
Pan CW, Yang SX, Pan ZZ, Zheng B, Wang JZ, Lu GR, Xue ZX, Xu CL. Andrographolide ameliorates d-galactosamine/lipopolysaccharide-induced acute liver injury by activating Nrf2 signaling pathway. Oncotarget 2018; 8:41202-41210. [PMID: 28465482 PMCID: PMC5522263 DOI: 10.18632/oncotarget.17149] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 03/28/2017] [Indexed: 12/15/2022] Open
Abstract
Andrographolide (ADH), a diterpenoid lactone extracted from Andrographis paniculata, has been found to have anti-inflammatory and anti-oxidative effects. However, its protective effects and mechanisms on liver injury have not been investigated clearly. This study takes an attempt to reveal the protective effects and mechanism of ADH on lipopolysaccharide (LPS) and D-galactosamine (D-GalN)-induced acute liver injury in mice. The mice liver injury model was induced by LPS (60 mg/kg) and D-GalN (800 mg/kg), and ADH was given 1 h after LPS and D-GalN treatment. Hepatic tissue histology was measured by H&E staining. Serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) levels were detected by detection kits. The levels of TNF-α and IL-1β were detected by ELISA. Moreover, malondialdehyde (MDA) and reactive oxygen species (ROS) contents were also detected. Meanwhile, the expression of Nrf2, HO-1, and NF-κB were detected by western blot analysis. The results showed that ADH treatment improved liver histology and decreased the levels of ALT, AST, MPO, IL-1β, TNF-α, as well as MDA and ROS levels of hepatic tissues in a dose-dependent manner. ADH also inhibited LPS/D-GalN-induced NF-κB activation. The expression of Nrf2 and HO-1 were increased by treatment of ADH. In conclusion, ADH protected against LPS/D-GalN-induced liver injury by inhibiting NF-κB and activating Nrf2 signaling pathway.
Collapse
Affiliation(s)
- Chen-Wei Pan
- Department of Infectious Disease,The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Shou-Xing Yang
- Department of Gastroenterology,The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Zhen-Zhen Pan
- Department of Infectious Disease, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Bo Zheng
- Department of Gastroenterology,The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Jian-Zhang Wang
- Department of Gastroenterology,The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Guang-Rong Lu
- Department of Gastroenterology,The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Zhan-Xiong Xue
- Department of Gastroenterology,The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| | - Chang-Long Xu
- Department of Gastroenterology,The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325027, China
| |
Collapse
|
13
|
Han MS, Lee YM, Kim SW, Kim KM, Lee T, Lee W, Kwon OK, Lee S, Bae JS. Role of moesin in HMGB1-stimulated severe inflammatory responses. Thromb Haemost 2017; 114:350-63. [DOI: 10.1160/th14-11-0969] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2014] [Accepted: 02/25/2015] [Indexed: 11/05/2022]
Abstract
SummarySepsis is a life-threatening condition that arises when the body’s response to infection causes systemic inflammation. High-mobility group box 1 (HMGB1), as a late mediator of sepsis, enhances hyper-permeability, and it is therefore a therapeutic target. Despite extensive research into the underlying mechanisms of sepsis, the target molecules controlling vascular leakage remain largely unknown. Moesin is a cytoskeletal protein involved in cytoskeletal changes and para-cellular gap formation. The objectives of this study were to determine the roles of moesin in HMGB1-mediated vascular hyperpermeability and inflammatory responses and to investigate the mechanisms of action underlying these responses. Using siRNA knockdown of moesin expression in primary human umbilical vein endothelial cells (HUVECs), moesin was found to be required in HMGB1-induced F-actin rearrangement, hyperpermeability, and inflammatory responses. The mechanisms involved in moesin phosphorylation were analysed by blocking the binding of the HMGB1 receptor (RAGE) and inhibiting the Rho and MAPK pathways. HMGB1-treated HUVECs exhibited an increase in Thr558 phosphorylation of moesin. Circulating levels of moesin were measured in patients admitted to the intensive care unit with sepsis, severe sepsis, and septic shock; these patients showed significantly higher levels of moesin than healthy controls, which was strongly correlated with disease severity. High blood moesin levels were also observed in cecal ligation and puncture (CLP)-induced sepsis in mice. Administration of blocking moesin antibodies attenuated CLP-induced septic death. Collectively, our findings demonstrate that the HMGB1-RAGE-moesin axis can elicit severe inflammatory responses, suggesting it to be a potential target for the development of diagnostics and therapeutics for sepsis.
Collapse
|
14
|
Yang SL, Kuo FH, Chen PN, Hsieh YH, Yu NY, Yang WE, Hsieh MJ, Yang SF. Andrographolide suppresses the migratory ability of human glioblastoma multiforme cells by targeting ERK1/2-mediated matrix metalloproteinase-2 expression. Oncotarget 2017; 8:105860-105872. [PMID: 29285298 PMCID: PMC5739685 DOI: 10.18632/oncotarget.22407] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 09/23/2017] [Indexed: 11/25/2022] Open
Abstract
Glioblastoma multiforme (GBM) can be a fatal tumor because of difficulties in treating the related metastasis. Andrographolide is the bioactive component of the Andrographis paniculata. Andrographolide possesses the anti-inflammatory activity and inhibits the growth of various cancers; however, its effect on GBM cancer motility remains largely unknown. In this study, we examined the antimetastatic properties of andrographolide in human GBM cells. Our results revealed that andrographolide inhibited the invasion and migration abilities of GBM8401 and U251 cells. Furthermore, andrographolide inhibited matrix metalloproteinase (MMP)-2 activity and expression. Real-time PCR and promoter activity assays indicated that andrographolide inhibited MMP-2 expression at the transcriptional level. Such inhibitory effects were associated with the suppression of CREB DNA-binding activity and CREB expression. Mechanistically, andrographolide inhibited the cell motility of GBM8401 cells through the extracellular-regulated kinase (ERK) 1/2 pathway, and the blocking of the ERK 1/2 pathway could reverse MMP-2-mediated cell motility. In conclusion, CREB is a crucial target of andrographolide for suppressing MMP-2-mediated cell motility in GBM cells. Therefore, a combination of andrographolide and an ERK inhibitor might be a good strategy for preventing GBM metastasis.
Collapse
Affiliation(s)
- Shih-Liang Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Traditional Chinese Medicine, Taichung Hospital, Ministry of Health and Welfare, Taichung, Taiwan
| | - Fu-Hsuan Kuo
- Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
| | - Pei-Ni Chen
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan.,Clinical Laboratory, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Yi-Hsien Hsieh
- Institute of Biochemistry, Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan.,Clinical Laboratory, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Nuo-Yi Yu
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan
| | - Wei-En Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Ming-Ju Hsieh
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Cancer Research Center, Changhua Christian Hospital, Changhua, Taiwan.,Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
| | - Shun-Fa Yang
- Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan.,Department of Medical Research, Chung Shan Medical University Hospital, Taichung, Taiwan
| |
Collapse
|
15
|
Gu LL, Zhang XY, Xing WM, Xu JD, Lu H. Andrographolide-induced apoptosis in human renal tubular epithelial cells: Roles of endoplasmic reticulum stress and inflammatory response. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 45:257-264. [PMID: 27344125 DOI: 10.1016/j.etap.2016.02.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 02/03/2016] [Accepted: 02/05/2016] [Indexed: 06/06/2023]
Abstract
Andrographolide sodium bisulfate as a kind of soluble derivative of andrographolide (AD), is obviously known to be nephrotoxicity, but AD has not been reported clearly. Our study aimed to investigate the induction of apoptosis in human renal tubular epithelial (HK-2) cells by AD and its possible mechanism. Our results demonstrated that AD (0-250μmol/L) inhibited Hk-2 cells proliferation in a dose- and time-dependent manner and induced apoptosis, accompanied by decreased of superoxide dismutase (SOD) activity and increased of malondialdehvde (MDA) content. Simultaneously, AD regulated the expression of endoplasmic reticulum (ER) molecular chaperone glucose-regulated protein 78 (GRP78/Bip) protein, elevated the expressions of C/EBP homologous protein (CHOP) and Caspase-4, indicating activation of ER stress signaling, and induced the alterative expression of kidney injury molecule-1 (KIM-1), tumor necrosis factor-α (TNF-α) and Interleukin-6 (IL-6) proteins. It provided evidence that ER stress and inflammation would be significant mechanisms responsible for AD-induced apoptosis in addition to oxidative stress.
Collapse
Affiliation(s)
- Li-Li Gu
- School of Pharmacology, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang Province, China
| | - Xin-Yue Zhang
- Institute of Materia Medica, Zhejiang Academy of Medical Sciences, Hangzhou 31003, Zhejiang Province, China
| | - Wen-Min Xing
- School of Pharmacology, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang Province, China
| | - Jia-Dong Xu
- School of Pharmacology, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang Province, China
| | - Hong Lu
- School of Pharmacology, Zhejiang Chinese Medical University, Hangzhou 310053, Zhejiang Province, China.
| |
Collapse
|
16
|
Picking D, Delgoda R, Younger N, Germosén-Robineau L, Boulogne I, Mitchell S. TRAMIL ethnomedicinal survey in Jamaica. JOURNAL OF ETHNOPHARMACOLOGY 2015; 169:314-27. [PMID: 25929450 DOI: 10.1016/j.jep.2015.04.027] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 04/17/2015] [Accepted: 04/18/2015] [Indexed: 05/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE A survey was undertaken in Jamaica to document medicinal plants frequently used in the treatment or prophylaxis of illness and trends in their use, following the methodology established by the TRAMIL network. TRAMIL, a Caribbean-wide applied research programme, scientifically evaluates and documents the efficacy and safety of medicinal plant remedies used for primary health care. Initial results from this survey, on an aspect of safety, focusing on the concomitant use and prevalence of medicinal plant use in combination with pharmaceutical drugs in Jamaica, were published in an earlier paper in 2011. This paper now reports survey results on the ethnobotanical use of medicinal plants by Jamaicans. MATERIALS AND METHODS A survey using a structured and modified TRAMIL questionnaire was administered to 407 adults selected randomly from systematically selected households within randomly selected clusters. The clusters were selected from each of the three areas that were purposefully selected. KEY FINDINGS Respondents identified their use of 107 botanically identified medicinal plants distributed in 51 plant families to treat illnesses or maintain health in the previous twelve months. Fourteen plants, with significant use equal to or greater than 20% for a specified health issue were shortlisted, representing Jamaica׳s first submission to the TRAMIL database. Andrographis paniculata (Burm. f.) Nees (Rice Bitters) was reported as a plant remedy with significant use for the first time in a TRAMIL survey. Informant consensus factor (ICF) values were high for a number of health issues such as mental health (nerves, insomnia, etc.), respiratory system (cold/flu/cough etc.) and for health maintenance with tonics (washout and blood cleanse), indicating strong cultural coherence in medicinal plant selection for these categories. Forty two per cent (113/270) of medicinal plant users utilised mixtures, combining more than one plant. Leaf material was the most commonly used plant part (69%), with fresh material (98%) most commonly prepared as a tea for internal use by decoction (87%). The majority of medicinal plant respondents sourced plants from their backyards (75%) and cited grandmothers (33%) and mothers (32%) as their main sources of information. Jamaicans reported limited use of complementary and alternative medicine (CAM), supporting the assertion that a significant number of citizens in developing countries continue to rely on the use of medicinal plants for primary healthcare. CONCLUSIONS Medicinal plant use continues to play an important role in primary healthcare in Jamaica. Fourteen plant remedies with significant use are reported, five previously reported elsewhere and recommended (REC) for the same health condition. Eight plant remedies, including one Jamaican endemic, are reported for different health issues for the first time to TRAMIL and will be investigated (INV) for the new health conditions, together with one plant remedy reported for the first time. This latest survey will be followed by literature reviews, appropriate laboratory screens (TRIG) and community outreach activities (TRADIF) in Jamaica.
Collapse
Affiliation(s)
- D Picking
- Natural Products Institute, University of the West Indies, Mona, Kingston 7, Jamaica.
| | - R Delgoda
- Natural Products Institute, University of the West Indies, Mona, Kingston 7, Jamaica.
| | - N Younger
- Tropical Metabolic Research Institute, University of the West Indies, Mona, Kingston 7, Jamaica.
| | - L Germosén-Robineau
- TRAMIL (Program of Applied Research for Traditional Popular Medicine in the Caribbean), Laboratoire de Biologie et de Physiologie Végétales, Campus de Fouillole, Université des Antilles et de la Guyane, 97157 Pointe-à-Pitre Cedex (Guadeloupe), France.
| | - I Boulogne
- TRAMIL (Program of Applied Research for Traditional Popular Medicine in the Caribbean), Laboratoire de Biologie et de Physiologie Végétales, Campus de Fouillole, Université des Antilles et de la Guyane, 97157 Pointe-à-Pitre Cedex (Guadeloupe), France.
| | - S Mitchell
- Medicinal Plant Research Group, The Biotechnology Centre, University of the West Indies, Mona, Kingston 7, Jamaica.
| |
Collapse
|
17
|
Quinic acid derivatives from Salicornia herbacea alleviate HMGB1-mediated endothelial dysfunction. J Funct Foods 2015. [DOI: 10.1016/j.jff.2015.03.044] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
|
18
|
Persson PB. The multiple functions of the endothelium: more than just wallpaper. Acta Physiol (Oxf) 2015; 213:747-9. [PMID: 25683245 DOI: 10.1111/apha.12464] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- P. B. Persson
- Institute of Vegetative Physiology; Charité-Universitaetsmedizin Berlin; Berlin Germany
| |
Collapse
|
19
|
Bae JS, Lee W, Son HN, Lee YM, Kim IS. Anti-transforming growth factor β-induced protein antibody ameliorates vascular barrier dysfunction and improves survival in sepsis. Acta Physiol (Oxf) 2014; 212:306-15. [PMID: 25219400 DOI: 10.1111/apha.12398] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Revised: 07/11/2014] [Accepted: 09/09/2014] [Indexed: 11/30/2022]
Abstract
AIM Sepsis is a systemic inflammatory response syndrome resulting from a microbial infection. Transforming growth factor β-induced protein (TGFBIp) is an extracellular matrix protein expressed by human endothelial cells and platelets that induces sepsis through interaction with integrin αvβ5. The aim of this study was to investigate the role of TGFBIp in vascular permeability and the underlying mechanisms using TGFBIp-neutralizing antibody. METHODS Mice were subjected to caecal ligation and puncture (CLP) with or without neutralizing anti-TGFBIp antibody (300 μg kg(-1), intravenously). Wild-type or integrin β5-null mice received TGFBIp (0.1 mg kg(-1), intravenously) or were subjected to CLP. Human umbilical vein endothelial cells were exposed to lipopolysaccharide (100 ng mL(-1)) with or without neutralizing anti-TGFBIp antibody (50 μg mL(-1)). RESULTS Administration of neutralizing anti-TGFBIp antibody in mice attenuated CLP-induced secretion of TGFBIp, leucocyte migration and vascular permeability and reduced septic mortality. Injected TGFBIp did not enhance vascular barrier permeability or leucocyte migration in β5-null mice. Finally, neutralizing anti-TGFBIp antibody inhibited the specific interactions between TGFBIp and its receptor, integrin αvβ5. CONCLUSION Our findings demonstrate that treatment with a TGFBIp-neutralizing antibody can ameliorate the deleterious effects of sepsis.
Collapse
Affiliation(s)
- J.-S. Bae
- College of Pharmacy; Research Institute of Pharmaceutical Sciences; Kyungpook National University; Daegu Korea
- BK21 Plus KNU Biomedical Convergence Program; Department of Biochemistry and Cell Biology; Cell and Matrix Research Institute; School of Medicine; Kyungpook National University; Daegu Korea
| | - W. Lee
- College of Pharmacy; Research Institute of Pharmaceutical Sciences; Kyungpook National University; Daegu Korea
- BK21 Plus KNU Biomedical Convergence Program; Department of Biochemistry and Cell Biology; Cell and Matrix Research Institute; School of Medicine; Kyungpook National University; Daegu Korea
| | - H.-N. Son
- BK21 Plus KNU Biomedical Convergence Program; Department of Biochemistry and Cell Biology; Cell and Matrix Research Institute; School of Medicine; Kyungpook National University; Daegu Korea
| | - Y.-M. Lee
- College of Pharmacy; Research Institute of Pharmaceutical Sciences; Kyungpook National University; Daegu Korea
| | - I.-S. Kim
- BK21 Plus KNU Biomedical Convergence Program; Department of Biochemistry and Cell Biology; Cell and Matrix Research Institute; School of Medicine; Kyungpook National University; Daegu Korea
- Biomedical Research Institute; Korea Institute of Science and Technology; Seoul Korea
| |
Collapse
|
20
|
Nawaz MI, Mohammad G. Role of high-mobility group box-1 protein in disruption of vascular barriers and regulation of leukocyte-endothelial interactions. J Recept Signal Transduct Res 2014; 35:340-5. [PMID: 26482025 DOI: 10.3109/10799893.2014.984309] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
High-mobility group box-1 protein (HMGB1) is a highly conserved non-histone DNA-binding protein present in the nuclei and cytoplasm of nearly all cell types. The results from recent research provide evidence that HMGB1 is secreted into the extracellular milieu and acts as a pro-inflammatory cytokine and exhibits angiogenic effects to fire the immunological response against the pathological effects. Recently, a great deal of evidence has indicated the critical importance of HMGB1 in mediating vascular barriers dysfunction by modulating the expression of adhesion molecules, such as intercellular adhesion molecule-1, vascular cell adhesion protein 1 and E-selectin on the surface of endothelial cells. Such process promotes the adhesion and migration of leukocytes across the endothelium, leading to breakdown of vascular barriers (blood-brain barrier and blood-retinal barrier) via modulating the expression, content, phosphorylation, and distribution of tight junction proteins. Therefore, here we give an abridged review to understand the mechanistic link between HMGB1 and vascular barriers dysfunction, including interaction with cell-surface receptors and intracellular signaling pathways.
Collapse
Affiliation(s)
- Mohd Imtiaz Nawaz
- a Department of Ophthalmology , College of Medicine, King Saud University, and Dr. Nasser Al-Rasheed Research Chair in Ophthalmology , Riyadh , Saudi Arabia
| | - Ghulam Mohammad
- a Department of Ophthalmology , College of Medicine, King Saud University, and Dr. Nasser Al-Rasheed Research Chair in Ophthalmology , Riyadh , Saudi Arabia
| |
Collapse
|