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Li H, Gao Y, Lin Y. Progress in molecular mechanisms of coronary microvascular dysfunction. Microcirculation 2023; 30:e12827. [PMID: 37608689 DOI: 10.1111/micc.12827] [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: 04/10/2023] [Revised: 06/23/2023] [Accepted: 08/03/2023] [Indexed: 08/24/2023]
Abstract
Coronary microvascular dysfunction is a high-risk factor for many cardiovascular events. However, because of multiple risk factors and limited understanding about its underlying pathophysiological mechanisms, it was easily misdiagnosed. Therefore, its clinical diagnosis and treatment were greatly restricted. Coronary microcirculation refers to microvessels that play an important role in the physiological regulation of myocardial perfusion and regulating blood flow distribution, fulfilling myocardial metabolic needs and moderating peripheral vascular resistance. In coronary microvascular dysfunction, vascular endothelial celldamage is a critical link. The main feature of early coronary microvascular dysfunction is the impairment of endothelial cell proliferation, adhesion, migration, apoptosis, and secretion. Moreover, coronary microvascular dysfunction risk factors include hyperglycemia, lipid metabolism disorders, ischemia-reperfusion injury, aging, and hypertension, similar to coronary atherosclerosis. There are various mechanisms by which these risk factors harm endothelial function and cause microcirculatory disturbances. Therefore, we reviewed coronary microvascular dysfunction's risk factors and pathogenesis in this article.
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Affiliation(s)
- Hao Li
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, China
| | - Yuping Gao
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, China
| | - Yuanyuan Lin
- Third Hospital of Shanxi Medical University, Shanxi Bethune Hospital, Shanxi Academy of Medical Sciences, Tongji Shanxi Hospital, Taiyuan, China
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Guo S, Zhao D, Zang Z, Shao D, Zhang K, Fu Q. Effects of endoplasmic reticulum stress on erectile function in rats with cavernous nerve injury. Sex Med 2023; 11:qfad050. [PMID: 37674767 PMCID: PMC10478027 DOI: 10.1093/sexmed/qfad050] [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: 12/29/2022] [Revised: 06/20/2023] [Accepted: 07/13/2023] [Indexed: 09/08/2023] Open
Abstract
Background Erectile dysfunction (ED) occurs in an increasing number of patients after radical prostatectomy and cystectomy, and the phenotypic modulation of corpus cavernosum smooth muscle cells is closely related to ED. Aim To determine whether endoplasmic reticulum stress (ERS) is implicated in the phenotypic modulation of ED induced by bilateral cavernous nerve injury (BCNI). Methods In total, 36 Sprague-Dawley rats were randomly divided into 3 groups: sham, in which rats received sham surgery with bilateral cavernous nerve exposure plus phosphate-buffered saline; control, in which rats received BCNI plus phosphate-buffered saline; and experimental, in which rats received BCNI plus 4-phenylbutyric acid. Analysis of variance and a Bonferroni multiple-comparison test were utilized to evaluate differences among groups. Outcomes Erectile function, smooth muscle/collagen ratios, and the expression levels of phenotypic modulation and ERS were measured. Results Two ratios-maximum intracavernosal pressure/mean arterial pressure and smooth muscle/collagen-were decreased in the control group as compared with the sham group. In penile tissue, there was increased expression of GRP78 (78-kDa glucose-regulated protein), p-PERK/PERK (phosphorylated protein kinase R-like endoplasmic reticulum kinase/protein kinase R-like endoplasmic reticulum kinase), caspase 3, CHOP (C/EBP homologous protein), and OPN (osteopontin) but decreased expression of nNOS (neuronal nitric oxide synthase) and α-SMA (α-smooth muscle actin). As compared with the control group, erectile function was improved and pathologic changes were partially recovered in the experimental group. Clinical Translation The present study demonstrated that ERS is involved in ED caused by cavernous nerve injury, thereby providing a new target and theoretical basis for clinical treatment. Strengths and Limitations The present study demonstrated for the first time that ERS is related to ED caused by cavernous nerve injury. Inhibition of ERS reverses phenotypic modulation and improves erectile function in rats with BCNI. Additional in vitro studies should be performed to verify these conclusions and explore the specific mechanism of phenotypic modulation. Conclusion The present study demonstrated that inhibiting ERS reverses phenotypic modulation and enhances erectile function in rats with BCNI.
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Affiliation(s)
- Shanjie Guo
- Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - Danfeng Zhao
- Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
- Engineering Laboratory of Urinary Organ and Functional Reconstruction of Shandong Province, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - Zhenjie Zang
- Department of Urology, Shandong Provincial Hospital, Shandong University, Jinan 250021, China
| | - Dingchang Shao
- Department of Urology, Shandong Provincial Hospital, Shandong University, Jinan 250021, China
| | - Keqin Zhang
- Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
- Engineering Laboratory of Urinary Organ and Functional Reconstruction of Shandong Province, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
| | - Qiang Fu
- Department of Urology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
- Engineering Laboratory of Urinary Organ and Functional Reconstruction of Shandong Province, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan 250021, China
- Department of Urology, Shandong Provincial Hospital, Shandong University, Jinan 250021, China
- Key Laboratory of Urinary Diseases in Universities of Shandong, Shandong First Medical University, Jinan 250021, China
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Notch Signaling Induced by Endoplasmic Reticulum Stress Regulates Cumulus-Oocyte Complex Expansion in Polycystic Ovary Syndrome. Biomolecules 2022; 12:biom12081037. [PMID: 36008931 PMCID: PMC9405998 DOI: 10.3390/biom12081037] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 07/16/2022] [Accepted: 07/25/2022] [Indexed: 12/10/2022] Open
Abstract
Endoplasmic reticulum (ER) stress activated in granulosa cells contributes to the pathophysiology of polycystic ovary syndrome (PCOS). In addition, recent studies have demonstrated that Notch signaling plays multiple roles in the ovary via cell-to-cell interactions. We hypothesized that ER stress activated in granulosa cells of antral follicles in PCOS induces Notch signaling in these cells, and that activated Notch signaling induces aberrant cumulus-oocyte complex (COC) expansion. Expression of Notch2 and Notch-target transcription factors was increased in granulosa cells of PCOS patients and model mice. ER stress increased expression of Notch2 and Notch-target transcription factors in cultured human granulosa-lutein cells (GLCs). Inhibition of Notch signaling abrogated ER stress-induced expression of genes associated with COC expansion in cultured human GLCs, as well as ER stress-enhanced expansion of cumulus cells in cultured murine COCs. Furthermore, inhibition of Notch signaling reduced the areas of COCs in PCOS model mice with activated ER stress in the ovary, indicating that Notch signaling regulates COC expansion in vivo. Our findings suggest that Notch2 signaling is activated in granulosa cells in PCOS and regulates COC expansion. It remains to be elucidated whether aberrant COC expansion induced by the ER stress-Notch pathway is associated with ovulatory dysfunction in PCOS patients.
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Cui Q, Du H, Ma Y, Wang T, Zhu H, Zhu L, Pan S, Min N, Wang X, Liu Z. Matrine inhibits advanced glycation end products-induced macrophage M1 polarization by reducing DNMT3a/b-mediated DNA methylation of GPX1 promoter. Eur J Pharmacol 2022; 926:175039. [PMID: 35597264 DOI: 10.1016/j.ejphar.2022.175039] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Revised: 05/12/2022] [Accepted: 05/16/2022] [Indexed: 11/20/2022]
Abstract
Advanced glycation end products (AGEs) are characterized diabetic metabolites inducing macrophage M1 polarization which is crucial in diabetes-exacerbated atherosclerosis. Matrine was proved anti-atherosclerotic. The current study was aimed to investigate the inhibitory effects of matrine on AGEs- induced macrophage M1 polarization and underlying molecular mechanisms. Primary mouse macrophages were exposed to AGEs. Receptor for AGEs (RAGE) and toll-like receptor 4 (TLR4) were over-expressed by vectors. Matrine was used to treat these cells. Inducible nitric oxide synthase (iNOS) expression and pro-inflammatory cytokine production were used to evaluate macrophage M1 polarization. Oxidative stress was assessed by intracellular reactive oxygen species (ROS) generation, total antioxidant capacity (TAC) and malondialdehyde (MDA) contents. Relative mRNA expression level was determined by real-time PCR. Western blotting was used to evaluate protein and protein phosphorylation levels. Bisulfite sequencing PCR (BSP) was used to evaluate DNA methylation. Matrine reduced AGEs exposure-elevated expressions of DNA methyltransferase (DNA MTase, DNMT)3a and DNMT3b in macrophages which were not affected by RAGE or TLR4 over expressions. DNA methylation rate of GPX1 promoter was reduced from 97.22% to 66.67% in AGEs- exposed macrophages treated by matrine. GPX1 expression was up-regulated by matrine, which further suppressed AGEs/RAGE-mediated oxidative stress. Thus, the activation of down-stream TLR4/STAT1 signaling pathway was inhibited by matrine treatment which eventually suppressed AGEs- induced macrophage M1 polarization. However, these effects of matrine were impaired by RAGE and TLR4 overexpression. Results from this study suggested that matrine inhibited AGEs- induced macrophage M1 polarization by suppressing RAGE-induced oxidative stress-mediated TLR4/STAT1 signaling pathway. Matrine exerted anti-oxidant effects via increasing GPX1 expression by inhibiting DNMT3a/b-induced GPX1 promoter DNA methylation.
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Affiliation(s)
- Qianwei Cui
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Cardiovascular Research Center, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Haixia Du
- Rocket Force University of Engineering, Xi'an, 710025, China
| | - Yanpeng Ma
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Cardiovascular Research Center, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Ting Wang
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Cardiovascular Research Center, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Haitao Zhu
- Department of Pediatrics, Northwest Women's and Children's Hospital, Xi'an, 710061, China
| | - Ling Zhu
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Cardiovascular Research Center, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Shuo Pan
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Cardiovascular Research Center, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Ningbin Min
- Cardiovascular Research Center, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Department of Cardiology, Heyang County Hospital, Heyang, 715300, China.
| | - Xiqiang Wang
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Cardiovascular Research Center, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, 710072, China.
| | - Zhongwei Liu
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Cardiovascular Research Center, Shaanxi Provincial People's Hospital, Xi'an, 710068, China; Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, 710072, China.
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Ren H, Wang Y, Guo Y, Wang M, Ma X, Li W, Guo Y, Li Y. Matrine impedes colorectal cancer proliferation and migration by downregulating endoplasmic reticulum lipid raft associated protein 1 expression. Bioengineered 2022; 13:9780-9791. [PMID: 35412433 PMCID: PMC9161898 DOI: 10.1080/21655979.2022.2060777] [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] [Indexed: 11/02/2022] Open
Abstract
Matrine exhibits anti-tumor effect on the proliferation and invasion of colorectal cancer (CRC) cells by reducing the activity of the p38 signaling pathway. However, these studies were limited because the underlying mechanism by which matrine inhibited CRC progression remained unclear. In this study, we provided for the first time that endoplasmic reticulum lipid raft associated protein 1 (Erlin1) is a novel target of matrine. Erlin1 was significantly upregulated in tumors and its knockdown suppressed the proliferation and migration of CRC cells, while its overexpression promoted CRC cell growth and migration. Furthermore, Erlin1 overexpression promoted inhibited apoptosis. Importantly, matrine treatment could reverse the oncogenic function of Erlin1 on CRC cell proliferation and migration. When Erlin1 was knocked down, matrine exhibited a more obvious anti-tumor effect in CRC cells. Partly due to this, matrine functions as an important anti-tumor drug and the results discovered here may clarify the mechanisms of matrine application for CRC treatment. CRC patients with low expression of Erlin1 might be more suitable for the treatment of matrine. This study could promote the application of matrine to be a promising therapeutic strategy for CRC patients.
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Affiliation(s)
- Hongtao Ren
- Department of Radiotherapy, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yali Wang
- Department of Radiotherapy, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Ya Guo
- Department of Radiotherapy, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Mincong Wang
- Department of Radiotherapy, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Xiulong Ma
- Department of Radiotherapy, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Wen Li
- Department of Radiotherapy, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yuyan Guo
- Department of Radiotherapy, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
| | - Yiming Li
- Department of General Surgery, Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
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Chen B, Zhou H, Zhou X, Yang L, Xiong Y, Zhang L. Comprehensive Analysis of Endoplasmic Reticulum Stress in Intracranial Aneurysm. Front Cell Neurosci 2022; 16:865005. [PMID: 35465608 PMCID: PMC9022475 DOI: 10.3389/fncel.2022.865005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/07/2022] [Indexed: 12/20/2022] Open
Abstract
Background Aberrant endoplasmic reticulum stress (ERS) plays an important role in multiple cardiovascular diseases. However, their implication in intracranial aneurysms (IAs) remains unclear. We designed this study to explore the general expression pattern and potential functions of ERS in IAs. Methods Five Gene Expression Omnibus (GEO) microarray datasets were used as the training cohorts, and 3 GEO RNA sequencing (RNA-seq) datasets were used as the validating cohorts. Differentially expressed genes (DEGs), functional enrichment, Lasso regression, logistic regression, ROC analysis, immune cell profiling, vascular smooth muscle cell (VSMC) phenotyping, weighted gene coexpression network analysis (WGCNA), and protein-protein interaction (PPI) analysis were applied to investigate the role of ERS in IA. Finally, we predicted the upstream transcription factor (TF)/miRNA and potential drugs targeting ERS. Results Significant DEGs were majorly associated with ERS, autophagy, and metabolism. Eight-gene ERS signature and IRE1 pathway were identified during the IA formation. WGCNA showed that ERS was highly associated with a VSMC synthesis phenotype. Next, ERS-VSMC-metabolism-autophagy PPI and ERS-TF-miRNA networks were constructed. Finally, we predicted 9 potential drugs targeting ERS in IAs. Conclusion ERS is involved in IA formation. Upstream and downstream regulatory networks for ERS were identified in IAs. Novel potential drugs targeting ERS were also proposed, which may delay IA formation and progress.
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Affiliation(s)
- Bo Chen
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Hongshu Zhou
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoxi Zhou
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Liting Yang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yuanyuan Xiong
- Department of Neurosurgery, The Second Affiliated Hospital of Nanchang University, Nanchang, China
- *Correspondence: Yuanyuan Xiong,
| | - Liyang Zhang
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- Liyang Zhang,
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Lin Y, He F, Wu L, Xu Y, Du Q. Matrine Exerts Pharmacological Effects Through Multiple Signaling Pathways: A Comprehensive Review. Drug Des Devel Ther 2022; 16:533-569. [PMID: 35256842 PMCID: PMC8898013 DOI: 10.2147/dddt.s349678] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 02/03/2022] [Indexed: 12/16/2022] Open
Abstract
As The main effective monomer of the traditional Chinese medicine Sophora flavescens Ait, matrine has a broad scope of pharmacological activities such as anti-tumor, anti-inflammatory, analgesic, anti-fibrotic, anti-viral, anti-arrhythmia, and improving immune function. These actions explain its therapeutic effects in various types of tumors, cardiopathy, encephalomyelitis, allergic asthma, rheumatoid arthritis (RA), osteoporosis, and central nervous system (CNS) inflammation. Evidence has shown that the mechanism responsible for the pharmacological actions of matrine may be via the activation or inhibition of certain key molecules in several cellular signaling pathways including the phosphatidylinositol 3-kinase/protein kinase B/mammalian target of rapamycin (PI3K/AKT/mTOR), transforming growth factor-β/mothers against decapentaplegic homolog (TGF-β/Smad), nuclear factor kappa B (NF-κB), Wnt (wingless/ integration 1)/β-catenin, mitogen-activated protein kinases (MAPKs), and Janus kinase/signal transducer and activator of transcription (JAK/STAT) signaling pathways. This review comprehensively summarizes recent studies on the pharmacological mechanisms of matrine to provide a theoretical basis for molecular targeted therapies and further development and utilization of matrine.
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Affiliation(s)
- Yingda Lin
- Department of Pharmacy, the Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, People's Republic of China.,Medical College, Yangzhou University, Yangzhou, 225001, People's Republic of China
| | - Fuming He
- Medical College, Yangzhou University, Yangzhou, 225001, People's Republic of China
| | - Ling Wu
- Department of Pharmacy, the Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, People's Republic of China
| | - Yuan Xu
- Department of Pharmacy, the Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, People's Republic of China
| | - Qiu Du
- Department of Neurosurgery, the Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, People's Republic of China.,Department of Central Laboratory, the Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, 225012, People's Republic of China
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Advanced Glycation End Products Induce Atherosclerosis via RAGE/TLR4 Signaling Mediated-M1 Macrophage Polarization-Dependent Vascular Smooth Muscle Cell Phenotypic Conversion. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:9763377. [PMID: 35069982 PMCID: PMC8776434 DOI: 10.1155/2022/9763377] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 12/05/2021] [Accepted: 12/08/2021] [Indexed: 12/17/2022]
Abstract
Objective. The objective of this study was to investigate the involved mechanisms of advanced glycation end product- (AGE-) exacerbated atherosclerosis (AS). Methods. Toll-like receptor 4 (TLR4) inhibitor was administrated to type 2 diabetes mellitus (T2DM) AS rats. Atherosclerotic plaque, M1 macrophage infiltration, and VSMCs phenotypes were evaluated. AGE-exposed primary macrophages were treated with specific siRNAs knocking down receptor for AGEs (RAGE) and TLR4. Phenotypes of M1 macrophage and VSMCs were identified by fluorescent stains. Contact and noncontact coculture models were established. VSMCs and macrophages were cocultured in these models. ELISA was used to detect inflammatory cytokine concentrations. Relative mRNA expression levels were determined by real-time PCR. Relative protein expression and phosphorylation levels were evaluated by Western blots assays. Results. TLR4 inhibitor treatment significantly reduced arterial stenosis, infiltration of M1 polarized macrophages, and contractile-to-synthetic phenotype conversion of VSMCs in DM AS animals. RAGE and TLR4 silencing dramatically reduced AGE-induced macrophage M1 polarization, inflammatory cytokine secretion, and RAGE/TLR4/forkhead box protein C2 (FOXC2)/signaling which inhibited delta-like ligand 4 (Dll4) expression in macrophages. AGE-treated macrophages induced VSMC phenotypic conversion via activating Notch pathway in a contact coculture model rather than a noncontact model. The VSMC phenotypic conversion induction capability of macrophages was attenuated by RAGE and TLR4 silencing. Conclusions. AGEs induced activation of RAGE/TLR4/FOXC2 signaling, which featured macrophage with Dll4 high expression during M1 polarization. These macrophages promoted contractile-synthetic phenotypic conversion of VSMCs through the Dll4/Notch pathway after direct cell-to-cell contacts.
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Ma Y, Zhang Y, Qiu C, He C, He T, Shi S, Liu Z. Rivaroxaban Suppresses Atherosclerosis by Inhibiting FXa-Induced Macrophage M1 Polarization-Mediated Phenotypic Conversion of Vascular Smooth Muscle Cells. Front Cardiovasc Med 2021; 8:739212. [PMID: 34869643 PMCID: PMC8634446 DOI: 10.3389/fcvm.2021.739212] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Accepted: 10/12/2021] [Indexed: 11/23/2022] Open
Abstract
Background: Factor Xa (FXa) is a mediator initiating and accelerating atherosclerosis (AS). Both macrophage and vascular smooth muscle cells (VSMCs) participate in AS progression. This study was aimed to investigate the mechanisms underlying the effects of the FXa inhibitor rivaroxaban on AS. Methods: Rivaroxaban was administered to AS mice. Primary macrophages were exposed to FXa, treated with rivaroxaban, and transfected with siRNA silencing protease-activated receptor 2 (PAR2), hypoxia-inducible factor 1α (HIF1α), delta-like receptor 4 (Dll4), and Akt. Interaction between macrophages and VSMCs was assessed by co-culturing systems. Atherosclerotic lesions were evaluated by oil red O stain. Fluorescent staining was used to determine the cell phenotypes. Secretions of inflammatory cytokines and collagen were assessed by ELISA and Sircol assays. Western blotting was used to evaluate the protein expression and phosphorylation levels. Results: Rivaroxaban reduced lesion area, accumulation of M1 macrophages, and contractile-synthetic phenotypic conversion of VSMCs in atherosclerotic plaques. FXa exposure induced polarization of macrophages toward M1 and Dll4 high expression, which were inhibited by PAR2, Akt1, and HIF1α silencing. Rivaroxaban treatment inhibited PAR2/Akt/HIF1α signaling activation and Dll4 expression in FXa-exposed macrophages. By cell-to-cell contact, M1 macrophages induced Notch signaling activation in VSMCs which committed contractile-synthetic conversion. Rivaroxaban treatment and Dll4 silencing incapacitated macrophage in inducing phenotypic conversion of VSMCs upon cell-to-cell contact. Conclusion: Rivaroxaban suppresses AS by inhibiting FXa-induced PAR2/Akt/HIF1α signaling activation-mediated macrophage M1 polarization and high Dll4 expression. These macrophages facilitated VSMCs to perform contractile-synthetic phenotypic conversion upon macrophage-VSMCs cell-to-cell contact.
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Affiliation(s)
- Yanpeng Ma
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Yong Zhang
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Chuan Qiu
- Center for Bioinformatics and Genomics, Department of Global Biostatistics and Data Science, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, United States
| | - Chunhui He
- Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Ting He
- Department of Cardiology, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Shuang Shi
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, China
| | - Zhongwei Liu
- Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, China
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Chen Y, Sun Y, Xu Y, Lin WW, Luo Z, Han Z, Liu S, Qi B, Sun C, Go K, Kang XR, Chen J. Single-Cell Integration Analysis of Heterotopic Ossification and Fibrocartilage Developmental Lineage: Endoplasmic Reticulum Stress Effector Xbp1 Transcriptionally Regulates the Notch Signaling Pathway to Mediate Fibrocartilage Differentiation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:7663366. [PMID: 34737845 PMCID: PMC8563124 DOI: 10.1155/2021/7663366] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 09/21/2021] [Accepted: 10/01/2021] [Indexed: 02/06/2023]
Abstract
INTRODUCTION Regeneration of fibrochondrocytes is essential for the healing of the tendon-bone interface (TBI), which is similar to the formation of neurogenic heterotopic ossification (HO). Through single-cell integrative analysis, this study explored the homogeneity of HO cells and fibrochondrocytes. METHODS This study integrated six datasets, namely, GSE94683, GSE144306, GSE168153, GSE138515, GSE102929, and GSE110993. The differentiation trajectory and key transcription factors (TFs) for HO occurrence were systematically analyzed by integrating single-cell RNA (scRNA) sequencing, bulk RNA sequencing, and assay of transposase accessible chromatin seq. The differential expression and enrichment pathways of TFs in heterotopically ossified tissues were identified. RESULTS HO that mimicked pathological cells was classified into HO1 and HO2 cell subsets. Results of the pseudo-temporal sequence analysis suggested that HO2 is a differentiated precursor cell of HO1. The analysis of integrated scRNA data revealed that ectopically ossified cells have similar transcriptional characteristics to cells in the fibrocartilaginous zone of tendons. The modified SCENIC method was used to identify specific transcriptional regulators associated with ectopic ossification. Xbp1 was defined as a common key transcriptional regulator of ectopically ossified tissues and the fibrocartilaginous zone of tendons. Subsequently, the CellPhoneDB database was completed for the cellular ligand-receptor analysis. With further pathway screening, this study is the first to propose that Xbp1 may upregulate the Notch signaling pathway through Jag1 transcription. Twenty-four microRNAs were screened and were found to be potentially associated with upregulation of XBP1 expression after acute ischemic stroke. CONCLUSION A systematic analysis of the differentiation landscape and cellular homogeneity facilitated a molecular understanding of the phenotypic similarities between cells in the fibrocartilaginous region of tendon and HO cells. Furthermore, by identifying Xbp1 as a hub regulator and by conducting a ligand-receptor analysis, we propose a potential Xbp1/Jag1/Notch signaling pathway.
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Affiliation(s)
- Yisheng Chen
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai 200080, China
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yaying Sun
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Yuzhen Xu
- Department of Rehabilitation, The Second Affiliated Hospital of Shandong First Medical University, Taian, Shandong Province 271000, China
| | - Wei-Wei Lin
- Department of Neurosurgery, Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, 88 Jiefang Road, Hangzhou, 310009 Zhejiang, China
| | - Zhiwen Luo
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Zhihua Han
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai 200080, China
| | - Shaohua Liu
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Beijie Qi
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - Chenyu Sun
- Internal Medicine, AMITA Health Saint Joseph Hospital Chicago, 2900 N. Lake Shore Drive, Chicago, 60657 Illinois, USA
| | - Ken Go
- Department of Clinical Training Centre, St. Marianna Hospital, Tokyo, Japan
| | - x.-R. Kang
- Shanghai Jiao Tong University, Shanghai 200080, China
| | - Jiwu Chen
- Department of Orthopedics, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai Jiao Tong University, Shanghai 200080, China
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11
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Liu Z, Zhu H, Ma Y, Tang Z, Zhao N, Wang Y, Pan S. AGEs exacerbates coronary microvascular dysfunction in NoCAD by activating endoplasmic reticulum stress-mediated PERK signaling pathway. Metabolism 2021; 117:154710. [PMID: 33485865 DOI: 10.1016/j.metabol.2021.154710] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 12/18/2020] [Accepted: 01/20/2021] [Indexed: 12/14/2022]
Abstract
OBJECTIVE The current study was aimed to investigate the involvement of endoplasmic reticulum stress (ERS)-mediated protein kinase R-like endoplasmic reticulum kinase (PERK) signaling in advanced glycation end products (AGEs)-exacerbated coronary microvascular dysfunctions (CMD) in non-obstructive coronary artery disease (NoCAD). METHODS AND MATERIALS ob/ob-/- mice were used as NoCAD animal model which were exposed to AGEs by intraperitoneal injections. Animal CMD was evaluated by coronary flow velocity reserve (CFVR). A viral vector carrying perk-siRNA was used to silence PERK in vivo and in vitro studies. Cell apoptosis was detected by TUNEL. Immunofluorescent staining was used to assess CD42c-positive cell number in cardiac sections and NFATc4 translocation in CMECs. Real-time PCR and Western blotting were used to evaluate the gene expression levels. Cytokine and AGEs concentrations were determined by ELISA. Enzymatic activity of CaN was measured by a colorimetric method. A registered cross sectional study consisted of 77 patients diagnosed as NoCAD was used to analyze the association between diabetes and CMD which was measured by index of microvascular resistance (IMR) with a pressure wire system. RESULTS Significant CMD was found in NoCAD mice compared with healthy control. AGEs exposure exacerbated CMD in NoCAD animals which was improved by PERK silencing. Phosphorylation of PERK, nuclear translocation of nuclear factor of activated T-cells (NFAT)c4, enzymatic activity of calcineurin (CaN), expression levels of Fas/FasL, production of interleukin (IL)6, tumor necrosis factor (TNF)α, cyclooxygenase (COX)2, thromboxane B (TXB)2 as well as apoptosis were suppressed by PERK silencing in cardiac microcirculation endothelial cells (CMECs) isolated from AGEs-exposed NoCAD mice and AGEs-treated primary CMECs. PERK silencing also reduced CD42c-postive cells number in cardiac tissue from AGEs-exposed NoCAD mice. CONCLUSION Diabetes was associated with CMD in NoCAD. AGEs fostered in diabetes exacerbated CMD by activating ERS-mediated PERK/CaN/NFATc4 signaling in CMECs. IMR values increased significantly in NoCAD patients complicated with diabetes, which were significantly and positively correlated with serum AGEs concentrations.
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Affiliation(s)
- Zhongwei Liu
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Haitao Zhu
- Department of Pediatrics, Northwest Women's and Children's Hospital, Xi'an, Shaanxi Province 710000, China
| | - Yanpeng Ma
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Zhiguo Tang
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Na Zhao
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China
| | - Yuan Wang
- Department of Preventive Medicine, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China.
| | - Shuo Pan
- Department of Cardiology, Affiliated Shaanxi Provincial People's Hospital, Northwestern Polytechnical University, Xi'an, Shaanxi Province 710072, China.
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