1
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Tan M, Liu Y, Xu Y, Yan G, Zhou N, Chen H, Jiang Z, Peng L. Plant-Derived Exosomes as Novel Nanotherapeutics Contrive Glycolysis Reprogramming-Mediated Angiogenesis for Diabetic Ulcer Healing. Biomater Res 2024; 28:0035. [PMID: 38840655 PMCID: PMC11151174 DOI: 10.34133/bmr.0035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Accepted: 04/26/2024] [Indexed: 06/07/2024] Open
Abstract
Reversal of endothelial cell (EC) dysfunction under high-glucose (HG) conditions to achieve angiogenesis has remained a big challenge in diabetic ulcers. Herein, exosomes derived from medicinal plant ginseng (GExos) were shown as excellent nanotherapeutics with biomimetic cell membrane-like structures to be able to efficiently transfer the encapsulated active substances to ECs, resulting in a marked reprogramming of glycolysis by up-regulating anaerobic glycolysis and down-regulating oxidative stress, which further restore the proliferation, migration, and tubule formation abilities of ECs under HG conditions. In vivo, GExos enhance the angiogenesis and nascent vessel network reconstruction in full-thickness diabetic complicated skin ulcer wounds in mice with high biosafety. GExos were shown as promising nanotherapeutics in stimulating glycolysis reprogramming-mediated angiogenesis in diabetic ulcers, possessing wide application potential for reversing hyperglycemic dysangiogenesis and stimulating vascular regeneration.
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Affiliation(s)
- Minhong Tan
- College of Pharmaceutical Sciences,
Zhejiang University, Hangzhou 310058, PR China
- School of Materials Science and Engineering,
Zhejiang University, Hangzhou 310058, PR China
| | - Yuda Liu
- College of Pharmaceutical Sciences,
Zhejiang University, Hangzhou 310058, PR China
| | - Yang Xu
- College of Pharmaceutical Sciences,
Zhejiang University, Hangzhou 310058, PR China
| | - Ge Yan
- College of Pharmaceutical Sciences,
Zhejiang University, Hangzhou 310058, PR China
| | - Nan Zhou
- College of Pharmaceutical Sciences,
Zhejiang University, Hangzhou 310058, PR China
| | - Haoran Chen
- College of Pharmaceutical Sciences,
Zhejiang University, Hangzhou 310058, PR China
| | - Zhihong Jiang
- State Key Laboratory of Quality Research in Chinese Medicine,
Macau University of Science and Technology, Macau, PR China
| | - Lihua Peng
- College of Pharmaceutical Sciences,
Zhejiang University, Hangzhou 310058, PR China
- State Key Laboratory of Quality Research in Chinese Medicine,
Macau University of Science and Technology, Macau, PR China
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2
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Aghaei-Zarch SM. Crosstalk between MiRNAs/lncRNAs and PI3K/AKT signaling pathway in diabetes mellitus: Mechanistic and therapeutic perspectives. Noncoding RNA Res 2024; 9:486-507. [PMID: 38511053 PMCID: PMC10950585 DOI: 10.1016/j.ncrna.2024.01.005] [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: 10/03/2023] [Revised: 12/24/2023] [Accepted: 01/09/2024] [Indexed: 03/22/2024] Open
Abstract
Diabetes as a fastest growing diseases worldwide is characterized by elevated blood glucose levels. There's an enormous financial burden associated with this endocrine disorder, with unequal access to health care between developed and developing countries. PI3Ks (phosphoinositide 3-kinases) have been demonstrated to be crucial for glucose homeostasis, and malfunctioning of these molecules can contribute to an increase in glucose serum levels, the main pathophysiological feature of diabetes. Additionally, recent evidence suggests that miRNAs and lncRNAs are reciprocally interacting with this signaling pathway. It is therefore evident that abnormal regulation of miRNAs/lncRNAs in the lncRNAs/miRNAs/PI3K/AKT axis is related to clinicopathological characteristics and plays a crucial role in the regulation of biological processes. It has therefore been attempted in this review to describe the interaction between PI3K/AKT signaling pathway and various miRNAs/lncRNAs and their importance in DM biology. We also presented the clinical applications of PI3K/AKT-related ncRNAs/herbal medicine in patients with DM.
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Affiliation(s)
- Seyed Mohsen Aghaei-Zarch
- Department of Medical Genetics, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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3
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Liu R, Wang Q, Li Y, Wan R, Yang P, Yang D, Tang J, Lu J. Ginsenoside Rg1 Alleviates Sepsis-Induced Acute Lung Injury by Reducing FBXO3 Stability in an m 6A-Dependent Manner to Activate PGC-1α/Nrf2 Signaling Pathway. AAPS J 2024; 26:47. [PMID: 38622374 DOI: 10.1208/s12248-024-00919-5] [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: 01/02/2024] [Accepted: 03/25/2024] [Indexed: 04/17/2024] Open
Abstract
BACKGROUND Sepsis-induced acute lung injury (ALI) is one of the serious life-threatening complications of sepsis and is pathologically associated with mitochondrial dysfunction. Ginsenoside Rg1 has good therapeutic effects on ALI. Herein, the pharmacological effects of Rg1 in sepsis-induced ALI were investigated. METHODS Sepsis-induced ALI models were established by CLP operation and LPS treatment. HE staining was adopted to analyze lung pathological changes. The expression and secretion of cytokines were measured by RT-qPCR and ELISA. Cell viability and apoptosis were assessed by MTT assay, flow cytometry and TUNEL staining. ROS level and mitochondrial membrane potential (MMP) were analyzed using DHE probe and JC-1 staining, respectively. FBXO3 m6A level was assessed using MeRIP assay. The interactions between FBXO3, YTHDF1, and PGC-1α were analyzed by Co-IP or RIP. RESULTS Rg1 administration ameliorated LPS-induced epithelial cell inflammation, apoptosis, and mitochondrial dysfunction in a dose-dependent manner. Mechanically, Rg1 reduced PGC-1α ubiquitination modification level by inhibiting FBXO3 expression m6A-YTHDF1 dependently. As expected, Rg1's mitigative effect on LPS-induced inflammation, apoptosis and mitochondrial dysfunction in lung epithelial cells was abolished by FBXO3 overexpression. Moreover, FBXO3 upregulation eliminated the restoring effect of Rg1 on CLP-induced lung injury in rats. CONCLUSION Rg1 activated PGC-1α/Nrf2 signaling pathway by reducing FBXO3 stability in an m6A-YTHDF1-dependent manner to improve mitochondrial function in lung epithelial cells during sepsis-induced ALI progression.
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Affiliation(s)
- Rong Liu
- Department of Geriatric Intensive Care Unit, The First Affiliated Hospital of Kunming Medical University, Yunnan Geriatric Medical Center, No.295, Xichang Road, Wuhua District, Kunming, 650032, Yunnan Province, People's Republic of China.
| | - Qiang Wang
- Department of Geriatric Intensive Care Unit, The First Affiliated Hospital of Kunming Medical University, Yunnan Geriatric Medical Center, No.295, Xichang Road, Wuhua District, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Yao Li
- Department of Stomatology, The First People's Hospital of Yunnan Province, Kunming, 650034, Yunnan Province, People's Republic of China
| | - Ruixue Wan
- Department of Reproductive Genetics, The First Affiliated Hospital of Kunming Medical University, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Ping Yang
- Department of Anatomy and Histology, School of Basic Medical Sciences, Kunming Medical University, Kunming, 650500, Yunnan Province, People's Republic of China
| | - Dexing Yang
- Department of Emergency Room of Internal, The First People's Hospital of Yunnan Province, Kunming, 650034, Yunnan Province, People's Republic of China
| | - Jiefu Tang
- Department of Geriatric Intensive Care Unit, The First Affiliated Hospital of Kunming Medical University, Yunnan Geriatric Medical Center, No.295, Xichang Road, Wuhua District, Kunming, 650032, Yunnan Province, People's Republic of China
| | - Jiafei Lu
- Department of Geriatric Intensive Care Unit, The First Affiliated Hospital of Kunming Medical University, Yunnan Geriatric Medical Center, No.295, Xichang Road, Wuhua District, Kunming, 650032, Yunnan Province, People's Republic of China
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4
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Qin B, Peng Q, Dong H, Lei L, Wu S. Non-coding RNAs in diabetic foot ulcer- a focus on infected wounds. Diabetes Metab Res Rev 2024; 40:e3740. [PMID: 37839046 DOI: 10.1002/dmrr.3740] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 07/19/2023] [Accepted: 09/25/2023] [Indexed: 10/17/2023]
Abstract
Diabetes mellitus is associated with a wide range of neuropathies, vasculopathies, and immunopathies, resulting in many complications. More than 30% of diabetic patients risk developing diabetic foot ulcers (DFUs). Non-coding RNAs (ncRNAs), including microRNAs (miRNAs), long non-coding RNAs (lncRNAs), and circular RNAs (circRNAs), play essential roles in various biological functions in the hyperglycaemic environment that determines the development of DFU. Ulceration results in tissue breakdown and skin barrier scavenging, thereby facilitating bacterial infection and biofilm formation. Many bacteria contribute to diabetic foot infection (DFI), including Staphylococcus aureus (S. aureus) et al. A heterogeneous group of "ncRNAs," termed small RNAs (sRNAs), powerfully regulates biofilm formation and DFI healing. Multidisciplinary foot care interventions have been identified for nonhealing ulcers. With an appreciation of the link between disease processes and ncRNAs, a novel therapeutic model of bioactive materials loaded with ncRNAs has been developed to prevent and manage diabetic foot complications.
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Affiliation(s)
- Boquan Qin
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Qi Peng
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Hongxian Dong
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Lei Lei
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shizhou Wu
- Department of Orthopedic Surgery and Orthopedic Research Institute, Laboratory of Stem Cell and Tissue Engineering, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, Chengdu, China
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5
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Pan D, Xu L, Chen P, Miao L, Tian Y, Shi D, Guo M. Panax Quinquefolium Saponins enhances angiogenesis in rats with diabetes and myocardial infarction. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117252. [PMID: 37777023 DOI: 10.1016/j.jep.2023.117252] [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: 07/12/2023] [Revised: 09/17/2023] [Accepted: 09/28/2023] [Indexed: 10/02/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Xi Yang Shen (Panax quinquefolium L.) was originally recorded in "Ben Cao Cong Xin" edited by Wu Yiluo during the Qing Dynasty. Panax Quinquefolium Saponins (PQS) is the main component derived from Panax quinquefolium L, and has been wildly used in the treatment of coronary heart disease. AIM OF THE STUDY This study aims to explore the potential role and underlying mechanisms of PQS in promoting angiogenesis in rats with diabetes and myocardial infarction. MATERIALS AND METHODS Echocardiograms were used to assess cardiac function, while the heart weight to tibia length ratio was calculated to determine cardiac hypertrophy. Hematoxylin and eosin, periodic acid-Schiff and Masson's trichrome staining were used to examine cardiac morphology, myocyte diameter, and myocardial fibrosis. Immunofluorescence staining was employed to evaluate arteriolar density. The transcriptomes were analyzed and bioinformatic analyses were conducted to predict the potential angiogenesis-promoting mechanism of PQS. In addition, RT-PCR and western blotting was utilized to examine the expression of genes and proteins influenced by PQS. RESULTS PQS improved blood glucose, ameliorated cardiac function, reduced cardiac hypertrophy, and enhanced myocardial morphology in diabetic rats with myocardial infarction. PQS was also found to decrease myocyte diameter, curtail myocardial fibrosis, and increase arteriolar density. However, the effects of PQS were abolished following the deletion of protein kinase C δ (PKCδ). Molecular docking predicted strong interactions between the major blood components of PQS and PKCδ. Transcriptomic and bioinformatic analyses indicated that PQS may bolster angiogenesis by activating the VEGF/PI3K-Akt/eNOS pathway in rats with diabetes and myocardial infarction. Finally, the study demonstrated that PQS could inhibit the expression of PKCδ and stimulate the activation of the VEGF/PI3K-Akt/eNOS pathway. CONCLUSIONS PQS improves blood glucose, enhances cardiac function, mitigates cardiac damage, and boosts arteriolar density. The angiogenic impact of PQS appears to be, at least partially, due to its modulation of the PKCδ-mediated VEGF/PI3K-Akt/eNOS signaling pathway in rats with diabetes and myocardial infarction.
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Affiliation(s)
- Deng Pan
- Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China; National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China; Graduate School of Beijing University of Chinese Medicine, Beijing, China
| | - Lin Xu
- Gynecological Department of Traditional Chinese Medicine, China-Japan Friendship Hospital, Beijing, China
| | - Pengfei Chen
- Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China; National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Lina Miao
- Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China; National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China
| | - Yi Tian
- Beijing Anzhen Hospital of the Capital University of Medical Sciences, Beijing, China
| | - Dazhuo Shi
- Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China; National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China.
| | - Ming Guo
- Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China; National Clinical Research Center for Chinese Medicine Cardiology, Xiyuan Hospital of China Academy of Chinese Medical Sciences, Beijing, China.
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Bonnici L, Suleiman S, Schembri-Wismayer P, Cassar A. Targeting Signalling Pathways in Chronic Wound Healing. Int J Mol Sci 2023; 25:50. [PMID: 38203220 PMCID: PMC10779022 DOI: 10.3390/ijms25010050] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/11/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024] Open
Abstract
Chronic wounds fail to achieve complete closure and are an economic burden to healthcare systems due to the limited treatment options and constant medical attention. Chronic wounds are characterised by dysregulated signalling pathways. Research has focused on naturally derived compounds, stem-cell-based therapy, small molecule drugs, oligonucleotide delivery nanoparticles, exosomes and peptide-based platforms. The phosphoinositide-3-kinase (PI3K)/protein kinase B (AKT), Wingless-related integration (Wnt)/β-catenin, transforming growth factor-β (TGF-β), nuclear factor erythroid 2-related factor 2 (Nrf2), Notch and hypoxia-inducible factor 1 (HIF-1) signalling pathways have critical roles in wound healing by modulating the inflammatory, proliferative and remodelling phases. Moreover, several regulators of the signalling pathways were demonstrated to be potential treatment targets. In this review, the current research on targeting signalling pathways under chronic wound conditions will be discussed together with implications for future studies.
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Affiliation(s)
| | | | | | - Analisse Cassar
- Department of Anatomy, University of Malta, MSD 2080 Msida, Malta; (L.B.); (S.S.); (P.S.-W.)
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7
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Xia W, Zhu Z, Xiang S, Yang Y. Ginsenoside Rg5 promotes wound healing in diabetes by reducing the negative regulation of SLC7A11 on the efferocytosis of dendritic cells. J Ginseng Res 2023; 47:784-794. [PMID: 38107390 PMCID: PMC10721477 DOI: 10.1016/j.jgr.2023.06.006] [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: 04/06/2023] [Revised: 05/31/2023] [Accepted: 06/19/2023] [Indexed: 12/19/2023] Open
Abstract
Background: ginsenoside Rg5 is a rare ginsenoside with known hypoglycemic effects in diabetic mice. This study aimed to explore the effects of ginsenoside Rg5 on skin wound-healing in the Leprdb/db mutant (db/db) mice (C57BL/KsJ background) model and the underlying mechanisms. Methods Seven-week-old male C57BL/6J, SLC7A11-knockout (KO), the littermate wild-type (WT), and db/db mice were used for in vivo and ex vivo studies. Results Ginsenoside Rg5 provided through oral gavage in db/db mice significantly alleviated the abundance of apoptotic cells in the wound areas and facilitated skin wound healing. 50 μM ginsenoside Rg5 treatment nearly doubled the efferocytotic capability of bone marrow-derived dendritic cells (BMDCs) from db/db mice. It also reduced NF-κB p65 and SLC7A11 expression in the wounded areas of db/db mice dose-dependently. Ginsenoside Rg5 physically interacted with SLC7A11 and suppressed the cystine uptake and glutamate secretion of BMDCs from db/db and SLC7A11-WT mice but not in BMDCs from SLC7A11-KO mice. In BMDCs and conventional type 1 dendritic cells (cDC1s), ginsenoside Rg5 reduced their glycose storage and enhanced anaerobic glycolysis. Glycogen phosphorylase inhibitor CP-91149 almost abolished the effect of ginsenoside Rg5 on promoting efferocytosis. Conclusion: ginsenoside Rg5 can suppress the expression of SLC7A11 and inhibit its activity via physical binding. These effects collectively alleviate the negative regulations of SLC7A11 on anaerobic glycolysis, which fuels the efferocytosis of dendritic cells. Therefore, ginsenoside Rg5 has a potential adjuvant therapeutic reagent to support patients with wound-healing problems, such as diabetic foot ulcers.
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Affiliation(s)
- Wei Xia
- Department of Endocrinology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Zongdong Zhu
- Department of Orthopedics, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Song Xiang
- Department of Endocrinology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yi Yang
- Department of Endocrinology, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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Zhang H, Wang W, Lin J, Qiao J, Wang X, Fang B, Chen C, Wang Y, Zhu G, Liu W. Mechanism of LEF1-AS1 regulating HUVEC cells by targeting miR-489-3p/S100A11 axis. PeerJ 2023; 11:e16128. [PMID: 37927791 PMCID: PMC10625350 DOI: 10.7717/peerj.16128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 08/27/2023] [Indexed: 11/07/2023] Open
Abstract
Background The venous malformation is the most common congenital vascular malformation and exhibits the characteristics of local invasion and lifelong progressive development. Long noncoding RNA (lncRNA) regulates endothelial cells, vascular smooth muscle cells, macrophages, vascular inflammation, and metabolism and also affects the development of venous malformations. This study aimed to elucidate the role of the lncRNA LEF1-AS1 in the development of venous malformations and examine the interaction among LEF1-AS1, miR-489-3p, and S100A11 in HUVEC cells. Methods Venous malformation tissues, corresponding normal venous tissues, and HUVEC cells were used. Agilent human lncRNA microarray gene chip was used to screen differential genes, RNA expression was detected using quantitative reverse transcription PCR, and protein expression was detected using Western blotting. The proliferation, migration, and angiogenesis of HUVEC cells were assessed using CCK8, transwell, and in vitro angiogenesis tests. Results A total of 1,651 lncRNAs were screened using gene chip analysis, of which 1015 were upregulated and 636 were downregulated. The lncRNA LEF1-AS1 was upregulated with an obvious difference multiple, and the fold-change value was 11.03273. The results of the analysis performed using the StarBase bioinformatics prediction website showed that LEF1-AS1 and miR-489-3p possessed complementary binding sites and that miR-489-3p and S100A11 also had complementary binding sites. The findings of tissue experiments revealed that the expressions of LEF1-AS1 and S100A11 were higher in tissues with venous malformations than in normal tissues, whereas the expression of miR-489-3p was lower in venous malformations than in normal tissues. Cell culture experiments indicated that LEF1-AS1 promoted the proliferation, migration, and angiogenesis of HUVEC cells. In these cells, LEF1-AS1 targeted miR-489-3p, which in turn targeted S100A11. LEF1-AS1 acted as a competitive endogenous RNA and promoted the expression of S100A11 by competitively binding to miR-489-3p and enhancing the proliferation, migration, and angiogenesis of HUVEC cells. Thus, LEF1-AS1 participated in the occurrence and development of venous malformation. Conclusions The expression of LEF1-AS1 was upregulated in venous malformations, and the expression of S100A11 was increased by the adsorption of miR-489-3p to venous endothelial cells, thus enhancing the proliferation, migration, and angiogenesis of HUVEC cells. In conclusion, LEF1-AS1 is involved in the occurrence and development of venous malformations by regulating the miR-489-3p/S100A11 axis, which provides valuable insights into the pathogenesis of this disease and opens new avenues for its treatment.
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Affiliation(s)
- Haoran Zhang
- Hemangioma Surgery Department, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Wenqiu Wang
- Hemangioma Surgery Department, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Junjie Lin
- Hemangioma Surgery Department, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Junbo Qiao
- Hemangioma Surgery Department, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Xinjun Wang
- Hemangioma Surgery Department, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Bin Fang
- Hemangioma Surgery Department, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Changkuan Chen
- Hemangioma Surgery Department, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Yujiao Wang
- Hemangioma Surgery Department, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Gaozan Zhu
- Hemangioma Surgery Department, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Wenbo Liu
- Hemangioma Surgery Department, The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
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Chen WT, Luo Y, Chen XM, Xiao JH. Role of exosome-derived miRNAs in diabetic wound angiogenesis. Mol Cell Biochem 2023:10.1007/s11010-023-04874-1. [PMID: 37891446 DOI: 10.1007/s11010-023-04874-1] [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: 06/20/2023] [Accepted: 10/05/2023] [Indexed: 10/29/2023]
Abstract
Chronic wounds with high disability are among the most common and serious complications of diabetes. Angiogenesis dysfunction impair wound healing in patients with diabetes. Compared with traditional therapies that can only provide symptomatic treatment, stem cells-owing to their powerful paracrine properties, can alleviate the pathogenesis of chronic diabetic wounds and even cure them. Exosome-derived microRNAs (miRNAs), important components of stem cell paracrine signaling, have been reported for therapeutic use in various disease models, including diabetic wounds. Exosome-derived miRNAs have been widely reported to be involved in regulating vascular function and have promising applications in the repair and regeneration of skin wounds. Therefore, this article aims to review the current status of the pathophysiology of exosome-derived miRNAs in the diabetes-induced impairment of wound healing, along with current knowledge of the underlying mechanisms, emphasizing the regulatory mechanism of angiogenesis, we hope to document the emerging theoretical basis for improving wound repair by restoring angiogenesis in diabetes.
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Affiliation(s)
- Wen-Ting Chen
- Institute of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China
| | - Yi Luo
- Institute of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China
- Guizhou Provincial Universities Key Laboratory of Medicinal Biotechnology & Research Center for Translational Medicine, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China
| | - Xue-Mei Chen
- Institute of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China
- Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China
| | - Jian-Hui Xiao
- Institute of Medicinal Biotechnology, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China.
- Guizhou Provincial Universities Key Laboratory of Medicinal Biotechnology & Research Center for Translational Medicine, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China.
- Department of Pediatrics, Affiliated Hospital of Zunyi Medical University, 149 Dalian Road, Huichuan District, Zunyi, 563003, China.
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10
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Li J, Jiang C, Xia J. The role of programmed cell death in diabetic foot ulcers. Int Wound J 2023; 21:e14399. [PMID: 37736955 PMCID: PMC10824602 DOI: 10.1111/iwj.14399] [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: 08/16/2023] [Revised: 08/30/2023] [Accepted: 08/31/2023] [Indexed: 09/23/2023] Open
Abstract
Diabetic foot ulcer, is a chronic complication afflicting individuals with diabetes, continue to increase worldwide, immensely burdening society. Programmed cell death, which includes apoptosis, autophagy, ferroptosis, necroptosis and pyroptosis, has been increasingly implicated in the pathogenesis of diabetic foot ulcer. This review is based on an exhaustive examination of the literature on 'programmed cell death' and 'diabetic foot ulcers' via PubMed. The findings revealed that natural bioactive compounds, noncoding RNAs and certain proteins play crucial roles in the healing of diabetic foot ulcers through various forms of programmed cell death, including apoptosis, autophagy, ferroptosis and pyroptosis.
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Affiliation(s)
- Juncheng Li
- Department of OrthopedicsThe First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang UniversityNanchangChina
- Medical Department of Graduate SchoolNanchang UniversityNanchangChina
| | - Chengli Jiang
- Department of OrthopedicsThe First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang UniversityNanchangChina
- Medical Department of Graduate SchoolNanchang UniversityNanchangChina
| | - Jian Xia
- Department of OrthopedicsThe First Hospital of Nanchang, The Third Affiliated Hospital of Nanchang UniversityNanchangChina
- Medical Department of Graduate SchoolNanchang UniversityNanchangChina
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11
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Ghafouri-Fard S, Shoorei H, Hussen BM, Poornajaf Y, Taheri M, Sharifi G. Interaction between SIRT1 and non-coding RNAs in different disorders. Front Genet 2023; 14:1121982. [PMID: 37441551 PMCID: PMC10333929 DOI: 10.3389/fgene.2023.1121982] [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: 12/12/2022] [Accepted: 06/16/2023] [Indexed: 07/15/2023] Open
Abstract
SIRT1 is a member of the sirtuin family functioning in the process of removal of acetyl groups from different proteins. This protein has several biological functions and is involved in the pathogenesis of metabolic diseases, malignancy, aging, neurodegenerative disorders and inflammation. Several long non-coding RNAs (lncRNAs), microRNAs (miRNAs) and circular RNAs (circRNAs) have been found to interact with SIRT1. These interactions have been assessed in the contexts of sepsis, cardiomyopathy, heart failure, non-alcoholic fatty liver disease, chronic hepatitis, cardiac fibrosis, myocardial ischemia/reperfusion injury, diabetes, ischemic stroke, immune-related disorders and cancers. Notably, SIRT1-interacting non-coding RNAs have been found to interact with each other. Several circRNA/miRNA and lncRNA/miRNA pairs that interact with SIRT1 have been identified. These axes are potential targets for design of novel therapies for different disorders. In the current review, we summarize the interactions between three classes of non-coding RNAs and SIRT1.
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Affiliation(s)
- Soudeh Ghafouri-Fard
- Department of Medical Genetics, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Shoorei
- Department of Anatomical Sciences, Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
- Clinical Research Development Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Bashdar Mahmud Hussen
- Department of Clinical Analysis, College of Pharmacy, Hawler Medical University, Erbil, Iraq
| | - Yadollah Poornajaf
- Faculty of Medicine, Birjand University of Medical Sciences, Birjand, Iran
| | - Mohammad Taheri
- Institute of Human Genetics, Jena University Hospital, Jena, Germany
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Guive Sharifi
- Skull Base Research Center, Loghman Hakim Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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12
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Wang Z, Xie X, Wang M, Ding M, Gu S, Xing X, Sun X. Analysis of common and characteristic actions of Panax ginseng and Panax notoginseng in wound healing based on network pharmacology and meta-analysis. J Ginseng Res 2023. [DOI: 10.1016/j.jgr.2023.02.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
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13
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Lyttle BD, Vaughn AE, Bardill JR, Apte A, Gallagher LT, Zgheib C, Liechty KW. Effects of microRNAs on angiogenesis in diabetic wounds. Front Med (Lausanne) 2023; 10:1140979. [PMID: 37020673 PMCID: PMC10067680 DOI: 10.3389/fmed.2023.1140979] [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: 01/09/2023] [Accepted: 02/27/2023] [Indexed: 04/07/2023] Open
Abstract
Diabetes mellitus is a morbid condition affecting a growing number of the world population, and approximately one third of diabetic patients are afflicted with diabetic foot ulcers (DFU), which are chronic non-healing wounds that frequently progress to require amputation. The treatments currently used for DFU focus on reducing pressure on the wound, staving off infection, and maintaining a moist environment, but the impaired wound healing that occurs in diabetes is a constant obstacle that must be faced. Aberrant angiogenesis is a major contributor to poor wound healing in diabetes and surgical intervention is often necessary to establish peripheral blood flow necessary for healing wounds. Over recent years, microRNAs (miRNAs) have been implicated in the dysregulation of angiogenesis in multiple pathologies including diabetes. This review explores the pathways of angiogenesis that become dysregulated in diabetes, focusing on miRNAs that have been identified and the mechanisms by which they affect angiogenesis.
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Affiliation(s)
- Bailey D. Lyttle
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, School of Medicine, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO, United States
- *Correspondence: Bailey D. Lyttle,
| | - Alyssa E. Vaughn
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, School of Medicine, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO, United States
| | - James R. Bardill
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, School of Medicine, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO, United States
| | - Anisha Apte
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, College of Medicine, University of Arizona Health Sciences College of Medicine—Tucson, Tucson, AZ, United States
| | - Lauren T. Gallagher
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, School of Medicine, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO, United States
| | - Carlos Zgheib
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, College of Medicine, University of Arizona Health Sciences College of Medicine—Tucson, Tucson, AZ, United States
| | - Kenneth W. Liechty
- Laboratory for Fetal and Regenerative Biology, Department of Surgery, College of Medicine, University of Arizona Health Sciences College of Medicine—Tucson, Tucson, AZ, United States
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14
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Ginsenoside Rg1 Inhibits STAT3 Expression by miR-15b-5p to Attenuate Lung Injury in Mice with Type 2 Diabetes Mellitus-Associated Pulmonary Tuberculosis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:9017021. [PMID: 36248428 PMCID: PMC9553455 DOI: 10.1155/2022/9017021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Revised: 08/15/2022] [Accepted: 08/20/2022] [Indexed: 11/17/2022]
Abstract
Type 2 diabetes mellitus (T2DM) has been regarded as a critical risk factor for pulmonary tuberculosis (PTB). Ginsenoside Rg1 has been identified as a potential therapeutic agent for T2DM by suppressing the inflammatory response. However, the effect of Rg1 on T2DM-associated PTB has not been reported. In this study, we aimed to explore the function of Rg1 in the regulation of T2DM-associated PTB. We established a T2DM-associated PTB mouse model and found that the fibrosis of lung tissues was inhibited by Rg1 in T2DM-associated PTB mice. The lung injury of T2DM-associated PTB mice was repressed by Rg1. Moreover, the levels of IL-6, TNF-α, and IL-1β in the lung tissues and serum were decreased by Rg1 in T2DM-associated PTB mice. The treatment with Rg1 inhibited the levels of free fatty acid and enhanced the expression of miR-15b-5p in lung tissues of T2DM-associated PTB mice. MiR-15b-5p targeted and inhibited the STAT3 expression. The expression of STAT3 was downregulated by Rg1, while the inhibition of miR-15b-5p reversed the downregulation. The expression of miR-15b-5p was reduced, but the expression of STAT3 was upregulated in the lung tissues of T2DM-associated PTB mice. We validated that miR-15b-5p attenuated inflammation and lung injury in the T2DM-associated PTB mouse model. The overexpression of STAT3 or the suppression of miR-15b-5p restored lung fibrosis and injury inhibited by Rg1 in T2DM-associated PTB mice. Meanwhile, the Rg1-repressed levels of IL-6, TNF-α, and IL-1β were enhanced by the overexpression of STAT3 or the suppression of miR-15b-5p. In addition, the levels of free fatty acid repressed by Rg1 were reversed by STAT3 overexpression and miR-15b-5p inhibition. Thus, we conclude that ginsenoside Rg1 inhibits the STAT3 expression by miR-15b-5p to attenuate lung injury in mice with type 2 diabetes mellitus-associated pulmonary tuberculosis.
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15
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Liu YB, Sun DZ, Chen KC, Zhang JJ, Hou YY, Gao XF, Cai EB, Zhu HY, Zheng YN, Chen RX, Liu S, Li W. Based on molecular docking to evaluate the protective effect of saponins from ginseng berry on D-gal-induced brain injury via multiple molecular mechanisms in mice. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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16
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Ramberg S, Krasnov A, Colquhoun D, Wallace C, Andreassen R. Expression Analysis of Moritella viscosa-Challenged Atlantic Salmon Identifies Disease-Responding Genes, MicroRNAs and Their Predicted Target Genes and Pathways. Int J Mol Sci 2022; 23:ijms231911200. [PMID: 36232504 PMCID: PMC9569996 DOI: 10.3390/ijms231911200] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/19/2022] [Accepted: 09/21/2022] [Indexed: 11/16/2022] Open
Abstract
Moritella viscosa is a bacterial pathogen causing winter-ulcer disease in Atlantic salmon. The lesions on affected fish lead to increased mortality, decreased fish welfare, and inferior meat quality in farmed salmon. MicroRNAs (miRNAs) are small non-coding RNAs involved in post-transcriptional regulation by guiding the miRNA-induced silencing complex to specific mRNA transcripts (target genes). The goal of this study was to identify miRNAs responding to Moritella viscosa in salmon by investigating miRNA expression in the head-kidney and the muscle/skin from lesion sites caused by the pathogen. Protein coding gene expression was investigated by microarray analysis in the same materials. Seventeen differentially expressed guide-miRNAs (gDE-miRNAs) were identified in the head-kidney, and thirty-nine in lesion sites, while the microarray analysis reproduced the differential expression signature of several thousand genes known as infection-responsive. In silico target prediction and enrichment analysis suggested that the gDE-miRNAs were predicted to target genes involved in immune responses, hemostasis, angiogenesis, stress responses, metabolism, cell growth, and apoptosis. The majority of the conserved gDE-miRNAs (e.g., miR-125, miR-132, miR-146, miR-152, miR-155, miR-223 and miR-2188) are known as infection-responsive in other vertebrates. Collectively, the findings indicate that gDE-miRNAs are important post-transcriptional gene regulators of the host response to bacterial infection.
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Affiliation(s)
- Sigmund Ramberg
- Department of Life Sciences and Health, Faculty of Health Sciences, OsloMet-Oslo Metropolitan University, 0167 Oslo, Norway
| | - Aleksei Krasnov
- Division of Aquaculture, Norwegian Institute of Fisheries and Aquaculture (Nofima), 1430 Ås, Norway
| | | | | | - Rune Andreassen
- Department of Life Sciences and Health, Faculty of Health Sciences, OsloMet-Oslo Metropolitan University, 0167 Oslo, Norway
- Correspondence:
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17
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Beegum F, P V A, George KT, K P D, Begum F, Krishnadas N, Shenoy RR. Sirtuins as therapeutic targets for improving delayed wound healing in diabetes. J Drug Target 2022; 30:911-926. [PMID: 35787722 DOI: 10.1080/1061186x.2022.2085729] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Sirtuins are a vast family of histone deacetylases, which are NAD+ dependent enzymes, consisting of seven members, namely SIRT 1, SIRT 6 and SIRT 7 located within the nucleus, SIRT 2 in the cytoplasm and SIRT 3, SIRT 4, and SIRT 5 in the mitochondria. They have vital roles in regulating various biological functions such as age-related metabolic disorders, inflammation, stress response, cardiovascular and neuronal functions. Delayed wound healing is one of the complication of diabetes, which can lead to lower limb amputation if not treated timely. SIRT 1, 3 and 6 are potent targets for diabetic wound healing. SIRT 1 deficiency reduces recruitment of fibroblasts, macrophages, mast cells, neutrophils to wound site and delays wound healing; negatively expressing MMP-9. The SIRT 1 mediated signalling pathway in diabetic wound healing is the SIRT 1-foxo-C-Myc pathway. On the contrary SIRT 3 deficiency, impairs proliferation and migration of fibroblasts and SIRT 6 deficiency impairs wound closure rate and interrupts the vascular remodelling. This review focuses on the role of sirtuins in improving delayed wound healing in diabetes and its natural modulators with their specific functions towards healing diabetic wounds.
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Affiliation(s)
- Fathima Beegum
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Anuranjana P V
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Krupa Thankam George
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Divya K P
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Farmiza Begum
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Nandakumar Krishnadas
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Rekha R Shenoy
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
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Chen P, Li X, Yu X, Yang M. Ginsenoside Rg1 Suppresses Non-Small-Cell Lung Cancer via MicroRNA-126-PI3K-AKT-mTOR Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2022; 2022:1244836. [PMID: 35815288 PMCID: PMC9270109 DOI: 10.1155/2022/1244836] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/07/2022] [Accepted: 05/18/2022] [Indexed: 02/03/2023]
Abstract
As one of the most common cause of cancer death in the world, lung cancer causes approximately 1.6 million deaths annually. Among them, NSCLC accounts for approximately 85% of patients in whole lung cancer patients. Ginsenoside Rg1 has been confirmed to play an important role in various diseases including cancer. As one of miRNAs, miR-126 closely involves in pathogenesis of the several types of cancers including colorectal, prostate, bladder and gastric cancer, and so on. Thus, the present study aims to investigate effects of the Ginsenoside Rg1 on NSCLC and underlying mechanism. In the study, two lung cancer cell lines including A549 and H1650 were used. It was found that expression of miR-126 was decreased in PBMC of NSCLC patients compared to healthy control. Expression of miR-126 was decreased in cancer tissue compared to paracancerous tissues in NSCLC patients. Importantly, it was found Ginsenoside Rg1 could inhibit growth of lung cancer cells. miR-126 KD remarkably increased the expression of apoptosis genes including caspase 3 and caspase 9 and decreased cell viability in lung cancer cells including A549 and H1650 cells. Interesting, in silico analysis indicated that miR-126 could target PI3K signaling pathway, which was confirmed by WB assay. KD of PI3KR2 compromised promotion of miR-126 on cell apoptosis. Similarly, it was found that KD of mTOR compromised promotion of miR-126 on cell apoptosis. Inhibition of Ginsenoside Rg1 on growth of lung cancer cells was through miR-126 and mTOR. Thus, the present study confirmed that Ginsenoside Rg1 remarkably inhibit lung cancer, which is through microRNA-126-PI3K-AKT-mTOR pathway.
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Affiliation(s)
- Panfeng Chen
- Department of Respiratory and Critical Care Medicine, Tianjin First Central Hospital, Tianjin 300192, China
| | - Xiaoping Li
- Department of Thoracic Surgery, Tianjin First Central Hospital, Tianjin 300192, China
| | - Xi Yu
- Department of Respiratory and Critical Care Medicine, Tianjin First Central Hospital, Tianjin 300192, China
| | - Min Yang
- Department of Respiratory and Critical Care Medicine, Tianjin First Central Hospital, Tianjin 300192, China
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Kang J, Zhou Y, Zhu C, Ren T, Zhang Y, Xiao L, Fang B. Ginsenoside Rg1 Mitigates Porcine Intestinal Tight Junction Disruptions Induced by LPS through the p38 MAPK/NLRP3 Inflammasome Pathway. TOXICS 2022; 10:toxics10060285. [PMID: 35736894 PMCID: PMC9228030 DOI: 10.3390/toxics10060285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 05/24/2022] [Accepted: 05/26/2022] [Indexed: 12/24/2022]
Abstract
Inflammation leads to porcine tight junction disruption of small intestinal epithelial cells, resulting in intestinal dysfunction. Herein, we established lipopolysaccharide (LPS)-induced in-vivo and in-vitro inflammatory models. The results revealed that LPS induced tight junction disruption in IPEC-J2 cells by downregulating tight-junction-related protein zonula occludens-1 (ZO-1), occludin and claudin-1 expression, while ginsenoside Rg1 rescued such inhibition and abrogated the upregulated expression of phosphorylation p38 MAPK. The p38 MAPK inhibitor (SB203580) showed a similar effect with Rg1 and attenuated the LPS-induced inhibition of ZO-1, occludin and claudin-1 expression, which is consistent with the reduced expression of NLRP3 inflammasome and IL-1β. Furthermore, the specific inhibitors of NLRP3 and IL-1β result in increased expression of tight-junction-related protein, demonstrating that p38 MAPK signaling was associated with Rg1 suppression of tight junction disruption. Besides, LPS treatment decreased the expression of ZO-1, occludin and claudin-1 through p38 MAPK signaling, and caused abnormal morphological changes in murine ileum. Meanwhile, Rg1 attenuated the decreased expression of ZO-1, occludin and claudin-1 and partially alleviated LPS-induced morphological changes in murine ileum. In summary, these findings characterized a novel mechanism by which Rg1 alleviates LPS-induced intestinal tight junction disruption by inhibiting the p38 MAPK-mediated NLRP3 inflammasome pathway.
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Affiliation(s)
- Jian Kang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510630, China; (J.K.); (Y.Z.); (C.Z.); (T.R.)
| | - Yanhong Zhou
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510630, China; (J.K.); (Y.Z.); (C.Z.); (T.R.)
| | - Chunyang Zhu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510630, China; (J.K.); (Y.Z.); (C.Z.); (T.R.)
| | - Tian Ren
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510630, China; (J.K.); (Y.Z.); (C.Z.); (T.R.)
| | - Yong Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China;
| | - Longfei Xiao
- Animal Science and Technology College, Beijing University of Agriculture, Beijing 100096, China
- Correspondence: (L.X.); (B.F.)
| | - Binghu Fang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510630, China; (J.K.); (Y.Z.); (C.Z.); (T.R.)
- Correspondence: (L.X.); (B.F.)
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