1
|
Liu L, Zhu F, Xin Y, Zhang L, Hu C, Xu Y, Zhang J, Liu L, Chen G. Real-world effects of Yishen Tongbi decoction for rheumatoid arthritis: protocol for a prospective, observational, multicenter cohort study with validation against double-blind, randomized, controlled trial. Front Pharmacol 2024; 15:1320578. [PMID: 38410132 PMCID: PMC10895057 DOI: 10.3389/fphar.2024.1320578] [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: 10/18/2023] [Accepted: 01/23/2024] [Indexed: 02/28/2024] Open
Abstract
Introduction: Rheumatoid arthritis (RA) is a globally challenging and refractory autoimmune disease, constituting a serious menace to human health. RA is characterized by recurrent pain and is difficult to resolve, necessitating prolonged medication for control. Yishen Tongbi decoction is a traditional Chinese herbal compound prescribed for treating RA. We have completed a 3-year RCT study that confirmed the clinical efficacy of Yishen Tongbi decoction for RA. Notably, we observed a faster clinical remission rate compared to MTX by week 4 of treatment. In our forthcoming study, we intend to conduct a comprehensive assessment of the efficacy and safety of Yishen Tongbi decoction in the real-world treatment of RA through a prospective study. Methods and analysis: This prospective, multicenter, real-world observational study will be conducted at two designated centers in China from October 2023 to August 2025. The study will include 324 patients with active rheumatoid arthritis. One group will receive Yishen Tongbi decoction combined with conventional synthetic disease-modifying antirheumatic drugs (csDMARDs). The other group will receive standard treatment. Standard treatment can be further divided into subgroups: csDMARDs, targeted synthetic disease-modifying antirheumatic drugs (tsDMARDs), and biologic disease-modifying antirheumatic drugs (bDMARDs). In each group, the number of tender joints, number of swollen joints, pain score, patient global assessment, physician global assessment, disease activity index (DAS28-ESR or DAS28-CRP), clinical disease activity index (cDAI), simplified disease activity index (sDAI) and relevant laboratory data will be compared. Clinical indicators and disease activity of the patients will be assessed at baseline, week 4 and week 12 after the initiation of treatment. The primary outcome will be the American College of Rheumatology 20% improvement criteria (ACR20) attainment rate among patients at week 12 after treatment. Every adverse event will be reported. Ethics and dissemination: This study has been approved by the Ethics Committee of the first affiliated Hospital of Guangzhou University of traditional Chinese Medicine (NO.K-2023-009). The results of the study will be published in national and international peer-reviewed journals and at scientific conferences. The researchers will inform participants and other RA patients of the results through health education. Clinical Trial Registration: https://www.chictr.org.cn/index.html, identifier ChiCTR2300076073.
Collapse
Affiliation(s)
- Lijuan Liu
- Department of Rheumatology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Fangfang Zhu
- Department of Gynecology, Guangdong Provincial Hospital of Chinese Medicine, Guangzhou, China
| | - Yijun Xin
- First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lu Zhang
- Shantou Hospital of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, Shantou, China
| | - Congqi Hu
- Baiyun Hospital of The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yanping Xu
- Baiyun Hospital of The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jinming Zhang
- First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lingjie Liu
- First Clinical Medical School, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Guangxing Chen
- Department of Rheumatology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- Baiyun Hospital of The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| |
Collapse
|
2
|
Hu Y, Xu T, Yin W, Cheng H, Zhang X, Liu Y, Zhang Y, Zhou G. Anti-inflammatory sesquiterpene polyol esters from the stem and branch of Tripterygium wilfordii. Chin J Nat Med 2023; 21:233-240. [PMID: 37003645 DOI: 10.1016/s1875-5364(23)60424-8] [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: 06/25/2022] [Indexed: 04/03/2023]
Abstract
The stem and branch extract of Tripterygium wilfordii (Celastraceae) afforded seven new dihydroagarofuran sesquiterpene polyesters [tripterysines A-G (1-7)] and eight known ones (8-15). The chemical structures of these new compounds were established based on combinational analysis of HR-ESI-MS and NMR techniques. The absolute configurations of tripterysines A-C (1-3) and E-G (5-7) were determined by X-ray crystallographic analysis and circular dichroism spectra. All the compounds were screened for their inhibitory effect on inflammation through determining their inhibitory effect on nitric oxide production in LPS-induced RAW 264.7 cells and the secretion of inflammatory cytokines TNF-α and IL-6 in LPS-induced BV2 macrophages. Compound 9 exhibited significant inhibitory activity on NO production with an IC50 value of 8.77 μmol·L-1. Moreover, compound 7 showed the strongest inhibitory effect with the secretion of IL-6 at 27.36%.
Collapse
Affiliation(s)
- Yalin Hu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 511436, China
| | - Tianqi Xu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 511436, China
| | - Wenjing Yin
- Department of Pharmacology, School of Medicine, Guangdong Clinical Translation Center for Targeted Drug, Jinan University, Guangzhou 511436, China
| | - Huaiyu Cheng
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 511436, China
| | - Xia Zhang
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 511436, China
| | - Ying Liu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 511436, China
| | - Yubo Zhang
- Department of Pharmacology, School of Medicine, Guangdong Clinical Translation Center for Targeted Drug, Jinan University, Guangzhou 511436, China
| | - Guangxiong Zhou
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou 511436, China.
| |
Collapse
|
3
|
Cheng HY, Xu TQ, Hu YL, Shu Q, Xu W, Fan CL, Zhou GX. Two new aryltetralin-type lignans from Camellia oleifera husk. Nat Prod Res 2023:1-8. [PMID: 36752387 DOI: 10.1080/14786419.2023.2172005] [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: 03/11/2022] [Revised: 12/29/2022] [Accepted: 01/15/2023] [Indexed: 02/09/2023]
Abstract
Two new aryltetralin-type lignans (1-2) were isolated from the dichloromethane fraction of 95% ethanol extract of Camellia oleifera fruit husk. Their structures were elucidated on the basis of spectroscopic analysis, and the absolute configurations of compounds 1-2 were determined by the comparison of measured ECD curves with the quantum chemical calculated ones. The new compounds were tested for their antioxidant activities and cytotoxicity against three human cancer cell lines (Huh-7, H460 and MCF-7). While compounds 1 and 2 only showed slight DPPH radical scavenging activities with the IC50 values of 38.68 ± 5.02 and 56.62 ± 1.49 μM, respectively.
Collapse
Affiliation(s)
- Huai-Yu Cheng
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Tian-Qi Xu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Ya-Lin Hu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Qing Shu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Wei Xu
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Chun-Lin Fan
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| | - Guang-Xiong Zhou
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, Institute of Traditional Chinese Medicine and Natural Products, College of Pharmacy, Jinan University, Guangzhou, China
| |
Collapse
|
4
|
Zhao J, Zhang F, Xiao X, Wu Z, Hu Q, Jiang Y, Zhang W, Wei S, Ma X, Zhang X. Tripterygium hypoglaucum (Lévl.) Hutch and Its Main Bioactive Components: Recent Advances in Pharmacological Activity, Pharmacokinetics and Potential Toxicity. Front Pharmacol 2021; 12:715359. [PMID: 34887747 PMCID: PMC8650721 DOI: 10.3389/fphar.2021.715359] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 11/04/2021] [Indexed: 01/12/2023] Open
Abstract
Tripterygium hypoglaucum (Lévl.) Hutch (THH) is believed to play an important role in health care and disease treatment according to traditional Chinese medicine. Moreover, it is also the representative of medicine with both significant efficacy and potential toxicity. This characteristic causes THH hard for embracing and fearing. In order to verify its prospect for clinic, a wide variety of studies were carried out in the most recent years. However, there has not been any review about THH yet. Therefore, this review summarized its characteristic of components, pharmacological effect, pharmacokinetics and toxicity to comprehensively shed light on the potential clinical application. More than 120 secondary metabolites including terpenoids, alkaloids, glycosides, sugars, organic acids, oleanolic acid, polysaccharides and other components were found in THH based on phytochemical research. All these components might be the pharmacological bases for immunosuppression, anti-inflammatory and anti-tumour effect. In addition, recent studies found that THH and its bioactive compounds also demonstrated remarkable effect on obesity, insulin resistance, fertility and infection of virus. The main mechanism seemed to be closely related to regulation the balance of immune, inflammation, apoptosis and so on in various disease. Furthermore, the study of pharmacokinetics revealed quick elimination of the main component triptolide. The feature of celastrol was also investigated by several models. Finally, the side effect of THH was thought to be the key for its limitation in clinical application. A series of reports indicated that multiple organs or systems including liver, kidney and genital system were involved in the toxicity. Its potential serious problem in liver was paid specific attention in recent years. In summary, considering the significant effect and potential toxicity of THH as well as its components, the combined medication to inhibit the toxicity, maintain effect might be a promising method for clinical conversion. Modern advanced technology such as structure optimization might be another way to reach the efficacy and safety. Thus, THH is still a crucial plant which remains for further investigation.
Collapse
Affiliation(s)
- Junqi Zhao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fangling Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaolin Xiao
- Hospital of Chengdu University of Traditional Chinese Medicine, School of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhao Wu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qichao Hu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yinxiao Jiang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wenwen Zhang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Shizhang Wei
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiao Ma
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaomei Zhang
- Institute of Medicinal Chemistry of Chinese Medicine, Chongqing Academy of Chinese Materia Medica, Chongqing, China
| |
Collapse
|
5
|
Lu LH, Wu DS, Zha YF, Mei SX, Li XH. Structure elucidation and NMR assignment of two new hydroxywilfordate-type alkaloids from the stems of Tripterygium hypoglaucum and activity evaluation. MAGNETIC RESONANCE IN CHEMISTRY : MRC 2020; 58:969-974. [PMID: 32643204 DOI: 10.1002/mrc.5074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2020] [Revised: 07/06/2020] [Accepted: 07/06/2020] [Indexed: 06/11/2023]
Affiliation(s)
- Li-He Lu
- Yunnan Institute of Materia Medica, Kunming, 650111, China
- Innovation and R&D Center, Yunnan Bai Yao Group, Kunming, 650111, China
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Kunming, 650111, China
| | - De-Song Wu
- Yunnan Institute of Materia Medica, Kunming, 650111, China
- Innovation and R&D Center, Yunnan Bai Yao Group, Kunming, 650111, China
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Kunming, 650111, China
| | - Yu-Feng Zha
- Yunnan Institute of Materia Medica, Kunming, 650111, China
- Innovation and R&D Center, Yunnan Bai Yao Group, Kunming, 650111, China
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Kunming, 650111, China
| | - Shuang-Xi Mei
- Yunnan Institute of Materia Medica, Kunming, 650111, China
- Innovation and R&D Center, Yunnan Bai Yao Group, Kunming, 650111, China
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Kunming, 650111, China
| | - Xiao-Hui Li
- Yunnan Institute of Materia Medica, Kunming, 650111, China
- Innovation and R&D Center, Yunnan Bai Yao Group, Kunming, 650111, China
- Yunnan Province Company Key Laboratory for TCM and Ethnic Drug of New Drug Creation, Kunming, 650111, China
| |
Collapse
|
6
|
Dihydroagarofuran sesquiterpene derivatives from the stems of Tripterygium hypoglaucum and activity evaluation. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.151992] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|
7
|
Zhao L, Li M, Xu Y, Liu L, Zhang M, Chen G. Evaluating the therapeutic efficacy of the Chinese herbal medicine Yishen Tongbi decoction in patients with active rheumatoid arthritis: protocol for a randomized, controlled, noninferiority trial. Trials 2019; 20:801. [PMID: 31888728 PMCID: PMC6937870 DOI: 10.1186/s13063-019-4005-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 12/16/2019] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Rheumatoid arthritis (RA) is a common chronic autoimmune disease that seriously affects the quality of life of patients because of damage to joints. Presently, RA is mainly treated with disease-modifying antirheumatic drugs (DMARDs) or biological agents; however, they offer limited efficacy in some patients. Therefore, additional therapeutic strategies need to be developed. Yishen Tongbi decoction is a traditional Chinese medicine formulation widely used to treat RA in China. However, currently, there is insufficient evidence to recommend its use for the treatment of RA. Therefore, we aim to verify the efficacy of Yishen Tongbi decoction to treat RA by a noninferiority trial, and to provide a basis for its use with a full-scale clinical trial. METHODS/DESIGN One hundred eligible patients with RA will be randomized into two groups of 50 patients. One group will receive Yishen Tongbi decoction and placebo replacing methotrexate (MTX), while the other group will receive MTX and placebo replacing Yishen Tongbi decoction. Patient's whose visual analogue scale score for pain is greater than 40 mm will be administered nonsteroidal anti-inflammatory drugs (such as enteric-coated diclofenac sodium, 25 mg three times a day); administration of all medications will be recorded. The clinical indicators of patients and their disease activity will be assessed at baseline and at 4, 12 and 24 weeks after treatment initiation. The primary outcome of efficacy will be the proportion of patients who demonstrate a favourable response based on their Clinical Disease Activity Index score at 24 weeks after treatment. All adverse events will be reported. DISCUSSION Traditional Chinese medicine theory and modern western medicine research have identified the efficacy of Yishen Tongbi decoction to treat RA. Previous clinical observation and efficacy trials of Yishen Tongbi decoction in animal models for the treatment of RA has demonstrated significant effect. Because of the potential benefits of Yishen Tongbi decoction in the treatment of patients with RA, we designed this double-blind, prospective, randomized controlled trial; the results and conclusions of the trail will be published after the completion of the study. TRIAL REGISTRATION Chinese Clinical Trials Registry, ChiCTR1900024902. Registered on 3 August 2019.
Collapse
Affiliation(s)
- Lianyu Zhao
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, 12 Airport Road, Baiyun District, Guangzhou, China
| | - Meilin Li
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, 12 Airport Road, Baiyun District, Guangzhou, China
| | - Yanping Xu
- The First Clinical Medical College of Guangzhou University of Chinese Medicine, 12 Airport Road, Baiyun District, Guangzhou, China
| | - Lijuan Liu
- Division of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, 16 Airport Road, Baiyun District, Guangzhou, China
| | - Mingying Zhang
- Division of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, 16 Airport Road, Baiyun District, Guangzhou, China
| | - Guangxing Chen
- Division of Rheumatology and Clinical Immunology, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, 16 Airport Road, Baiyun District, Guangzhou, China
| |
Collapse
|
8
|
Zheng H, Wang L, Yang T, Liu D, Li HM, Chen XQ, Li RT. New Terpenoids And Lignans From The Twigs Of Tripterygium Hypoglaucum. Nat Prod Res 2019; 34:1853-1861. [DOI: 10.1080/14786419.2018.1564297] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Hui Zheng
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Li Wang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Tao Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Dan Liu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Hong-Mei Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Xuan-Qin Chen
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| | - Rong-Tao Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, China
| |
Collapse
|
9
|
Colquhounia Root Tablet Protects Rat Pulmonary Microvascular Endothelial Cells against TNF- α-Induced Injury by Upregulating the Expression of Tight Junction Proteins Claudin-5 and ZO-1. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:1024634. [PMID: 30581478 PMCID: PMC6276400 DOI: 10.1155/2018/1024634] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 10/14/2018] [Accepted: 10/18/2018] [Indexed: 01/23/2023]
Abstract
Background There are currently limited effective pharmacotherapy agents for acute lung injury (ALI). Inflammatory response in the lungs is the main pathophysiological process of ALI. Our preliminary data have shown that colquhounia root tablet (CRT), a natural herbal medicine, alleviates the pulmonary inflammatory responses and edema in a rat model with oleic acid-induced ALI. However, the potential molecular action mechanisms underlining its protective effects against ALI are poorly understood. This study aimed to investigate the effects and mechanism of CRT in rat pulmonary microvascular endothelial cells (PMEC) with TNF-α-induced injury. Methods PMECs were divided into 6 groups: normal control, TNF-α (10 ng/mL TNF-α), Dex (1×10−6 M Dex + 10 ng/mL TNF-α), CRT high (1000 ng/mL CRT + 10 ng/mL TNF-α), CRT medium (500 ng/mL CRT + 10 ng/mL TNF-α), and CRT low group (250 ng/mL CRT + 10 ng/mL TNF-α). Cell proliferation and apoptosis were detected by MTT assay and flow cytometry. Cell micromorphology was observed under transmission electron microscope. The localization and expression of tight junction proteins Claudin-5 and ZO-1 were analyzed by immunofluorescence staining and Western blot, respectively. Results TNF-a had successfully induced an acute endothelial cell injury model. Dex and CRT treatments had significantly stimulated the growth and reduced the apoptosis of PMECs (all p < 0.05 or 0.01) and alleviated the TNF-α-induced cell injury. The expression of Claudin-5 and ZO-1 in Dex and all 3 CRT groups was markedly increased compared with TNF-a group (all p < 0.05 or 0.01). Conclusion CRT effectively protects PMECs from TNF-α-induced injury, which might be mediated via stabilizing the structure of tight junction. CRT might be a promising, effective, and safe therapeutic agent for the treatment of ALI.
Collapse
|
10
|
Purification, chemical structure and antioxidant activity of active ingredient (LPT-3d) separated from Lachnum sp. Process Biochem 2018. [DOI: 10.1016/j.procbio.2018.04.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
|