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Grandperrin A, Strock E, Petit L, Risdon S, Boulghobra D, Gayrard S, Reboul C, Walther G, Battault S, Meyer G. SMIT1 Expression in Arterial Tissue: A Potential New Trigger of Vascular Dysfunctions and ROS Production in Rats. Arterioscler Thromb Vasc Biol 2024; 44:e168-e170. [PMID: 38482695 DOI: 10.1161/atvbaha.123.320547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Affiliation(s)
- Antoine Grandperrin
- UPR-4278, LaPEC, Laboratory of Cardiovascular Experimental Physiology, Avignon University, France
| | - Eva Strock
- UPR-4278, LaPEC, Laboratory of Cardiovascular Experimental Physiology, Avignon University, France
| | - Léna Petit
- UPR-4278, LaPEC, Laboratory of Cardiovascular Experimental Physiology, Avignon University, France
| | - Sydney Risdon
- UPR-4278, LaPEC, Laboratory of Cardiovascular Experimental Physiology, Avignon University, France
| | - Doria Boulghobra
- UPR-4278, LaPEC, Laboratory of Cardiovascular Experimental Physiology, Avignon University, France
| | - Sandrine Gayrard
- UPR-4278, LaPEC, Laboratory of Cardiovascular Experimental Physiology, Avignon University, France
| | - Cyril Reboul
- UPR-4278, LaPEC, Laboratory of Cardiovascular Experimental Physiology, Avignon University, France
| | - Guillaume Walther
- UPR-4278, LaPEC, Laboratory of Cardiovascular Experimental Physiology, Avignon University, France
| | - Sylvain Battault
- UPR-4278, LaPEC, Laboratory of Cardiovascular Experimental Physiology, Avignon University, France
| | - Grégory Meyer
- UPR-4278, LaPEC, Laboratory of Cardiovascular Experimental Physiology, Avignon University, France
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Stewen J, Kruse K, Godoi-Filip AT, Zenia, Jeong HW, Adams S, Berkenfeld F, Stehling M, Red-Horse K, Adams RH, Pitulescu ME. Eph-ephrin signaling couples endothelial cell sorting and arterial specification. Nat Commun 2024; 15:2539. [PMID: 38570531 PMCID: PMC10991410 DOI: 10.1038/s41467-024-46300-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Accepted: 02/21/2024] [Indexed: 04/05/2024] Open
Abstract
Cell segregation allows the compartmentalization of cells with similar fates during morphogenesis, which can be enhanced by cell fate plasticity in response to local molecular and biomechanical cues. Endothelial tip cells in the growing retina, which lead vessel sprouts, give rise to arterial endothelial cells and thereby mediate arterial growth. Here, we have combined cell type-specific and inducible mouse genetics, flow experiments in vitro, single-cell RNA sequencing and biochemistry to show that the balance between ephrin-B2 and its receptor EphB4 is critical for arterial specification, cell sorting and arteriovenous patterning. At the molecular level, elevated ephrin-B2 function after loss of EphB4 enhances signaling responses by the Notch pathway, VEGF and the transcription factor Dach1, which is influenced by endothelial shear stress. Our findings reveal how Eph-ephrin interactions integrate cell segregation and arteriovenous specification in the vasculature, which has potential relevance for human vascular malformations caused by EPHB4 mutations.
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Affiliation(s)
- Jonas Stewen
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Kai Kruse
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
- Bioinformatics Service Unit, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Anca T Godoi-Filip
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Zenia
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Hyun-Woo Jeong
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
- Sequencing Core Facility, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Susanne Adams
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Frank Berkenfeld
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Martin Stehling
- Flow Cytometry Unit, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany
| | - Kristy Red-Horse
- Department of Biology, Stanford University, Stanford, CA, USA
- Institute for Stem Cell Biology and Regenerative Medicine, Stanford University School of Medicine, Stanford, CA, USA
- Howard Hughes Medical Institute, Stanford, CA, USA
| | - Ralf H Adams
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany.
| | - Mara E Pitulescu
- Department of Tissue Morphogenesis, Max Planck Institute for Molecular Biomedicine, D-48149, Münster, Germany.
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Raghavan S, Brishti MA, Bernardelli A, Mata-Daboin A, Jaggar JH, Leo MD. Extracellular glucose and dysfunctional insulin receptor signaling independently upregulate arterial smooth muscle TMEM16A expression. Am J Physiol Cell Physiol 2024; 326:C1237-C1247. [PMID: 38581667 DOI: 10.1152/ajpcell.00555.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 04/08/2024]
Abstract
Diabetes alters the function of ion channels responsible for regulating arterial smooth muscle membrane potential, resulting in vasoconstriction. Our prior research demonstrated an elevation of TMEM16A in diabetic arteries. Here, we explored the mechanisms involved in Transmembrane protein 16A (TMEM16A) gene expression. Our data indicate that a Snail-mediated repressor complex regulates arterial TMEM16A gene transcription. Snail expression was reduced in diabetic arteries while TMEM16A expression was upregulated. The TMEM16A promoter contained three canonical E-box sites. Electrophoretic mobility and super shift assays revealed that the -154 nt E-box was the binding site of the Snail repressor complex and binding of the repressor complex decreased in diabetic arteries. High glucose induced a biphasic contractile response in pressurized nondiabetic mouse hindlimb arteries incubated ex vivo. Hindlimb arteries incubated in high glucose also showed decreased phospho-protein kinase D1 and TMEM16A expression. In hindlimb arteries from nondiabetic mice, administration of a bolus dose of glucose activated protein kinase D1 signaling to induce Snail degradation. In both in vivo and ex vivo conditions, Snail expression exhibited an inverse relationship with the expression of protein kinase D1 and TMEM16A. In diabetic mouse arteries, phospho-protein kinase D1 increased while Akt2 and pGSK3β levels declined. These results indicate that in nondiabetic mice, high glucose triggers a transient deactivation of the Snail repressor complex to increase arterial TMEM16A expression independently of insulin signaling. Conversely, insulin resistance activates GSK3β signaling and enhances arterial TMEM16A channel expression. These data have uncovered the Snail-mediated regulation of arterial TMEM16A expression and its dysfunction during diabetes.NEW & NOTEWORTHY The calcium-activated chloride channel, TMEM16A, is upregulated in the diabetic vasculature to cause increased vasoconstriction. In this paper, we have uncovered that the TMEM16A gene expression is controlled by a Snail-mediated repressor complex that uncouples with both insulin-dependent and -independent pathways to allow for upregulated arterial protein expression thereby causing vasoconstriction. The paper highlights the effect of short- and long-term glucose-induced dysfunction of an ion channel expression as a causative factor in diabetic vascular disease.
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Affiliation(s)
- Somasundaram Raghavan
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee, United States
| | - Masuma Akter Brishti
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee, United States
| | - Angelica Bernardelli
- Department of Physiology, University of Tennessee Health Science Center, Memphis, Tennessee, United States
| | - Alejandro Mata-Daboin
- Department of Physiology, University of Tennessee Health Science Center, Memphis, Tennessee, United States
| | - Jonathan H Jaggar
- Department of Physiology, University of Tennessee Health Science Center, Memphis, Tennessee, United States
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee, United States
| | - M Dennis Leo
- Department of Physiology, University of Tennessee Health Science Center, Memphis, Tennessee, United States
- Department of Pharmaceutical Sciences, University of Tennessee Health Science Center, Memphis, Tennessee, United States
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Zhou G, Liu Y, Wu H, Zhang D, Yang Q, Li Y. Research Progress on Histone Deacetylases Regulating Programmed Cell Death in Atherosclerosis. J Cardiovasc Transl Res 2024; 17:308-321. [PMID: 37821683 DOI: 10.1007/s12265-023-10444-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 09/28/2023] [Indexed: 10/13/2023]
Abstract
Histone deacetylases (HDACs) are epigenetic modifying enzyme that is closely related to chromatin structure and gene transcription, and numerous studies have found that HDACs play an important regulatory role in atherosclerosis disease. Apoptosis, autophagy and programmed necrosis as the three typical programmed cell death modalities that can lead to cell loss and are closely related to the developmental process of atherosclerosis. In recent years, accumulating evidence has shown that the programmed cell death mediated by HDACs is increasingly important in the pathophysiology of atherosclerosis. This paper first gives a brief overview of HDACs, the mechanism of programmed cell death, and their role in atherosclerosis, and then further elaborates on the role and mechanism of HDACs in regulating apoptosis, autophagy, and programmed necrosis in atherosclerosis, respectively, to provide new effective measures and theoretical basis for the prevention and treatment of atherosclerosis.
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Affiliation(s)
- Gang Zhou
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, 443003, China
- Department of Central Experimental Laboratory, Yichang Central People's Hospital, Yichang, 443003, China
- HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, 443003, China
| | - Yanfang Liu
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, 443003, China
- Department of Central Experimental Laboratory, Yichang Central People's Hospital, Yichang, 443003, China
- HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, 443003, China
| | - Hui Wu
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, 443003, China.
- HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, 443003, China.
- Department of Cardiology, Yichang Central People's Hospital, Yiling Road 183, Yichang, 443003, Hubei, China.
| | - Dong Zhang
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, 443003, China
- Department of Central Experimental Laboratory, Yichang Central People's Hospital, Yichang, 443003, China
- HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, 443003, China
| | - Qingzhuo Yang
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, 443003, China
- Department of Central Experimental Laboratory, Yichang Central People's Hospital, Yichang, 443003, China
- HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, 443003, China
| | - Yi Li
- Institute of Cardiovascular Disease, China Three Gorges University, Yichang, 443003, China
- Department of Central Experimental Laboratory, Yichang Central People's Hospital, Yichang, 443003, China
- HuBei Clinical Research Center for Ischemic Cardiovascular Disease, Yichang, 443003, China
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Xu T, Zheng C, Wu Y, Chen Z, Miao H. MiR-34a ameliorates arterial blood flow in rats with lower limb arteriosclerosis obliterans via Sirt1 signaling pathway. Cell Mol Biol (Noisy-le-grand) 2024; 70:248-253. [PMID: 38650126 DOI: 10.14715/cmb/2024.70.3.37] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Indexed: 04/25/2024]
Abstract
In this study, we investigated the impact of microRNA-34a (miR-34a) on lower limb arteriosclerosis obliterans in rats through the Sirtuin 1 (Sirt1) signaling pathway. Thirty-six Sprague-Dawley rats were divided into normal, model, and miR-34a mimics groups. Rats in the normal group were raised normally, while the model group underwent lower limb arteriosclerosis obliterans induction and received saline injections. The miR-34a mimics group also underwent arteriosclerosis obliterans modeling but received miR-34a mimics injections. Immunohistochemistry revealed significantly increased vascular endothelial growth factor (VEGF) expression in both model and miR-34a mimics groups compared to the normal group, with the miR-34a mimics group showing higher levels. Western blotting indicated elevated Sirt1 protein expression in both non-normal groups, with the miR-34a mimics group exhibiting significantly higher levels. Quantitative polymerase chain reaction (qPCR) demonstrated higher levels of miR-34a, VEGF mRNA, and Sirt1 mRNA in the model group compared to the normal group, but significantly lower levels than the miR-34a mimics group. Enzyme-linked immunosorbent assay (ELISA) showed increased VEGF content in the model group compared to the normal group but decreased compared to the miR-34a mimics group. Hemorrheological detection revealed a reduced PU index in both non-normal groups compared to the normal group, with a significant increase in the miR-34a mimics group compared to the model group. Overall, miR-34a upregulation enhanced VEGF expression in rat blood vessels, ameliorating arterial blood flow in lower limb arteriosclerosis obliterans through the Sirt1 signaling pathway.
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Affiliation(s)
- Tuo Xu
- Department of General Surgery, The First Affiliated Hospital, Jinan University, Guangzhou, China.
| | - Changwei Zheng
- Department of Vascular and Thyroid Surgery, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.
| | - Yongkang Wu
- Department of Vascular and Thyroid Surgery, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.
| | - Zhengde Chen
- Department of Vascular and Thyroid Surgery, The Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.
| | - Huilai Miao
- Department of General Surgery, The First Affiliated Hospital, Jinan University, Guangzhou, China.
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Hu T, Zhang W, Han F, Zhao R, Liu H, An Z. Machine learning reveals serum myristic acid, palmitic acid and heptanoylcarnitine as biomarkers of coronary artery disease risk in patients with type 2 diabetes mellitus. Clin Chim Acta 2024; 556:117852. [PMID: 38438006 DOI: 10.1016/j.cca.2024.117852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/25/2024] [Accepted: 03/01/2024] [Indexed: 03/06/2024]
Abstract
BACKGROUND Coronary heart disease (CHD) is the most important complication of type 2 diabetes mellitus (T2DM) and the leading cause of death. Identifying the risk of CHD in T2DM patients is important for early clinical intervention. METHODS A total of 213 participants, including 81 healthy controls (HCs), 69 T2DM patients and 63 T2DM patients complicated with CHD were recruited in this study. Serum metabolomics were conducted by using ultra-high performance liquid chromatography coupled with tandem mass spectrometry (UHPLC-MS/MS). Demographic information and clinical laboratory test results were also collected. RESULTS Metabolic phenotypes were significantly altered among HC, T2DM and T2DM-CHD. Acylcarnitines were the most disturbed metabolites between T2DM patients and HCs. Lower levels of bile acids and higher levels of fatty acids in serum were closely associated with CHD risk in T2DM patients. Artificial neural network model was constructed for the discrimination of T2DM and T2DM complicated with CHD based on myristic acid, palmitic acid and heptanoylcarnitine, with accuracy larger than 0.95 in both training set and testing set. CONCLUSION Altogether, these findings suggest that myristic acid, palmitic acid and heptanoylcarnitine have a good prospect for the warning of CHD complications in T2DM patients, and are superior to traditional lipid, blood glucose and blood pressure indicators.
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Affiliation(s)
- Ting Hu
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing 100020, PR China.
| | - Wen Zhang
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing 100020, PR China
| | - Feifei Han
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing 100020, PR China
| | - Rui Zhao
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing 100020, PR China
| | - Hongchuan Liu
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing 100020, PR China
| | - Zhuoling An
- Beijing Chao-Yang Hospital, Capital Medical University, No.8 Gongti South Road, Chaoyang District, Beijing 100020, PR China.
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Loh KM, Ang LT. Building human artery and vein endothelial cells from pluripotent stem cells, and enduring mysteries surrounding arteriovenous development. Semin Cell Dev Biol 2024; 155:62-75. [PMID: 37393122 DOI: 10.1016/j.semcdb.2023.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Accepted: 06/07/2023] [Indexed: 07/03/2023]
Abstract
Owing to their manifold roles in health and disease, there have been intense efforts to synthetically generate blood vessels in vitro from human pluripotent stem cells (hPSCs). However, there are multiple types of blood vessel, including arteries and veins, which are molecularly and functionally different. How can we specifically generate either arterial or venous endothelial cells (ECs) from hPSCs in vitro? Here, we summarize how arterial or venous ECs arise during embryonic development. VEGF and NOTCH arbitrate the bifurcation of arterial vs. venous ECs in vivo. While manipulating these two signaling pathways biases hPSC differentiation towards arterial and venous identities, efficiently generating these two subtypes of ECs has remained challenging until recently. Numerous questions remain to be fully addressed. What is the complete identity, timing and combination of extracellular signals that specify arterial vs. venous identities? How do these extracellular signals intersect with fluid flow to modulate arteriovenous fate? What is a unified definition for endothelial progenitors or angioblasts, and when do arterial vs. venous potentials segregate? How can we regulate hPSC-derived arterial and venous ECs in vitro, and generate organ-specific ECs? In turn, answers to these questions could avail the production of arterial and venous ECs from hPSCs, accelerating vascular research, tissue engineering, and regenerative medicine.
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Affiliation(s)
- Kyle M Loh
- Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA; Department of Developmental Biology, Stanford University, Stanford, CA 94305, USA.
| | - Lay Teng Ang
- Institute for Stem Cell Biology & Regenerative Medicine, Stanford University, Stanford, CA 94305, USA.
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Thambyrajah R, Maqueda M, Neo WH, Imbach K, Guillén Y, Grases D, Fadlullah Z, Gambera S, Matteini F, Wang X, Calero-Nieto FJ, Esteller M, Florian MC, Porta E, Benedito R, Göttgens B, Lacaud G, Espinosa L, Bigas A. Cis inhibition of NOTCH1 through JAGGED1 sustains embryonic hematopoietic stem cell fate. Nat Commun 2024; 15:1604. [PMID: 38383534 PMCID: PMC10882055 DOI: 10.1038/s41467-024-45716-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Accepted: 02/02/2024] [Indexed: 02/23/2024] Open
Abstract
Hematopoietic stem cells (HSCs) develop from the hemogenic endothelium (HE) in the aorta- gonads-and mesonephros (AGM) region and reside within Intra-aortic hematopoietic clusters (IAHC) along with hematopoietic progenitors (HPC). The signalling mechanisms that distinguish HSCs from HPCs are unknown. Notch signaling is essential for arterial specification, IAHC formation and HSC activity, but current studies on how Notch segregates these different fates are inconsistent. We now demonstrate that Notch activity is highest in a subset of, GFI1 + , HSC-primed HE cells, and is gradually lost with HSC maturation. We uncover that the HSC phenotype is maintained due to increasing levels of NOTCH1 and JAG1 interactions on the surface of the same cell (cis) that renders the NOTCH1 receptor from being activated. Forced activation of the NOTCH1 receptor in IAHC activates a hematopoietic differentiation program. Our results indicate that NOTCH1-JAG1 cis-inhibition preserves the HSC phenotype in the hematopoietic clusters of the embryonic aorta.
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Affiliation(s)
- Roshana Thambyrajah
- Program in Cancer Research. Institut Hospital del Mar d'Investigacions Mèdiques, CIBERONC, Barcelona, Spain.
- Josep Carreras Leukemia Research Institute, Barcelona, Spain.
- Centro de Investigacion Biomedica en Red (CIBER), Madrid, Spain.
| | - Maria Maqueda
- Program in Cancer Research. Institut Hospital del Mar d'Investigacions Mèdiques, CIBERONC, Barcelona, Spain
| | - Wen Hao Neo
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, UK
| | - Kathleen Imbach
- Josep Carreras Leukemia Research Institute, Barcelona, Spain
| | - Yolanda Guillén
- Program in Cancer Research. Institut Hospital del Mar d'Investigacions Mèdiques, CIBERONC, Barcelona, Spain
| | - Daniela Grases
- Josep Carreras Leukemia Research Institute, Barcelona, Spain
| | - Zaki Fadlullah
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, UK
| | - Stefano Gambera
- Molecular Genetics of Angiogenesis Group. Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Francesca Matteini
- Stem Cell Aging Group, Regenerative Medicine Program, The Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- Program for advancing the Clinical Translation of Regenerative Medicine of Catalonia (P-CMR[C]), Barcelona, Spain
| | - Xiaonan Wang
- Department of Haematology, Wellcome - MRC Cambridge Stem Cell Institute, Cambridge Biomedical Campus, Cambridge, UK
- School of Public Health, Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Fernando J Calero-Nieto
- Department of Haematology, Wellcome - MRC Cambridge Stem Cell Institute, Cambridge Biomedical Campus, Cambridge, UK
| | - Manel Esteller
- Josep Carreras Leukemia Research Institute, Barcelona, Spain
- Centro de Investigacion Biomedica en Red (CIBER), Madrid, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Catalonia, Spain
- Physiological Sciences Department, School of Medicine and Health Sciences, University of Barcelona (UB), Barcelona, Catalonia, Spain
| | - Maria Carolina Florian
- Centro de Investigacion Biomedica en Red (CIBER), Madrid, Spain
- Stem Cell Aging Group, Regenerative Medicine Program, The Bellvitge Institute for Biomedical Research (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- Program for advancing the Clinical Translation of Regenerative Medicine of Catalonia (P-CMR[C]), Barcelona, Spain
| | - Eduard Porta
- Josep Carreras Leukemia Research Institute, Barcelona, Spain
| | - Rui Benedito
- Molecular Genetics of Angiogenesis Group. Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, Spain
| | - Berthold Göttgens
- Department of Haematology, Wellcome - MRC Cambridge Stem Cell Institute, Cambridge Biomedical Campus, Cambridge, UK
| | - Georges Lacaud
- Cancer Research UK Stem Cell Biology Group, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, UK
| | - Lluis Espinosa
- Program in Cancer Research. Institut Hospital del Mar d'Investigacions Mèdiques, CIBERONC, Barcelona, Spain
- Centro de Investigacion Biomedica en Red (CIBER), Madrid, Spain
| | - Anna Bigas
- Program in Cancer Research. Institut Hospital del Mar d'Investigacions Mèdiques, CIBERONC, Barcelona, Spain.
- Josep Carreras Leukemia Research Institute, Barcelona, Spain.
- Centro de Investigacion Biomedica en Red (CIBER), Madrid, Spain.
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Regnault V, Lacolley P, Laurent S. Arterial Stiffness: From Basic Primers to Integrative Physiology. Annu Rev Physiol 2024; 86:99-121. [PMID: 38345905 DOI: 10.1146/annurev-physiol-042022-031925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2024]
Abstract
The elastic properties of conductance arteries are one of the most important hemodynamic functions in the body, and data continue to emerge regarding the importance of their dysfunction in vascular aging and a range of cardiovascular diseases. Here, we provide new insight into the integrative physiology of arterial stiffening and its clinical consequence. We also comprehensively review progress made on pathways/molecules that appear today as important basic determinants of arterial stiffness, particularly those mediating the vascular smooth muscle cell (VSMC) contractility, plasticity and stiffness. We focus on membrane and nuclear mechanotransduction, clearance function of the vascular wall, phenotypic switching of VSMCs, immunoinflammatory stimuli and epigenetic mechanisms. Finally, we discuss the most important advances of the latest clinical studies that revisit the classical therapeutic concepts of arterial stiffness and lead to a patient-by-patient strategy according to cardiovascular risk exposure and underlying disease.
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Lu C, Donners MMPC, de Baaij JBJ, Jin H, Otten JJT, Manca M, van Zonneveld AJ, Jukema JW, Kraaijeveld A, Kuiper J, Pasterkamp G, Mees B, Sluimer JC, Cavill R, Karel JMH, Goossens P, Biessen EAL. Identification of a gene network driving the attenuated response to lipopolysaccharide of monocytes from hypertensive coronary artery disease patients. Front Immunol 2024; 15:1286382. [PMID: 38410507 PMCID: PMC10894924 DOI: 10.3389/fimmu.2024.1286382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 01/24/2024] [Indexed: 02/28/2024] Open
Abstract
Introduction The impact of cardiovascular disease (CVD) risk factors, encompassing various biological determinants and unhealthy lifestyles, on the functional dynamics of circulating monocytes-a pivotal cell type in CVD pathophysiology remains elusive. In this study, we aimed to elucidate the influence of CVD risk factors on monocyte transcriptional responses to an infectious stimulus. Methods We conducted a comparative analysis of monocyte gene expression profiles from the CTMM - CIRCULATING CELLS Cohort of coronary artery disease (CAD) patients, at baseline and after lipopolysaccharide (LPS) stimulation. Gene co-expression analysis was used to identify gene modules and their correlations with CVD risk factors, while pivotal transcription factors controlling the hub genes in these modules were identified by regulatory network analyses. The identified gene module was subjected to a drug repurposing screen, utilizing the LINCS L1000 database. Results Monocyte responsiveness to LPS showed a highly significant, negative correlation with blood pressure levels (ρ< -0.4; P<10-80). We identified a ZNF12/ZBTB43-driven gene module closely linked to diastolic blood pressure, suggesting that monocyte responses to infectious stimuli, such as LPS, are attenuated in CAD patients with elevated diastolic blood pressure. This attenuation appears associated with a dampening of the LPS-induced suppression of oxidative phosphorylation. Finally, we identified the serine-threonine inhibitor MW-STK33-97 as a drug candidate capable of reversing this aberrant LPS response. Conclusions Monocyte responses to infectious stimuli may be hampered in CAD patients with high diastolic blood pressure and this attenuated inflammatory response may be reversed by the serine-threonine inhibitor MW-STK33-97. Whether the identified gene module is a mere indicator of, or causal factor in diastolic blood pressure and the associated dampened LPS responses remains to be determined.
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Affiliation(s)
- Chang Lu
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands
- Institute for Computational Biomedicine, Faculty of Medicine, Heidelberg University and Heidelberg University Hospital, Heidelberg, Germany
| | - Marjo M P C Donners
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands
| | - Julius B J de Baaij
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands
| | - Han Jin
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands
- Science for Life Laboratory, KTH - Royal Institute of Technology, Stockholm, Sweden
| | - Jeroen J T Otten
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands
| | | | - Anton Jan van Zonneveld
- Department of Internal Medicine (Nephrology), Leiden University Medical Center, Leiden, Netherlands
| | - J Wouter Jukema
- Department of Cardiology, Leiden University Medical Center, Leiden, Netherlands
- Netherlands Heart Institute, Utrecht, Netherlands
| | - Adriaan Kraaijeveld
- Department of Cardiology, University Medical Center Utrecht, Utrecht, Netherlands
| | - Johan Kuiper
- Division of BioTherapeutics, Leiden Academic Centre for Drug Research, Leiden University, Leiden, Netherlands
| | - Gerard Pasterkamp
- Circulatory Health Research Center, University Medical Center Utrecht, Utrecht, Netherlands
| | - Barend Mees
- Department of Vascular Surgery, Maastricht University Medical Center, Maastricht, Netherlands
| | - Judith C Sluimer
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands
- Centre for Cardiovascular Science (CVS), University of Edinburgh, Edinburgh, United Kingdom
| | - Rachel Cavill
- Department of Advanced Computing Sciences, Maastricht University, Maastricht, Netherlands
| | - Joël M H Karel
- Department of Advanced Computing Sciences, Maastricht University, Maastricht, Netherlands
| | - Pieter Goossens
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands
| | - Erik A L Biessen
- Department of Pathology, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University Medical Center, Maastricht, Netherlands
- Institute for Molecular Cardiovascular Research, Klinikum RWTH Aachen, Aachen, Germany
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11
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Hernandez-Hernandez G, O'Dwyer SC, Yang PC, Matsumoto C, Tieu M, Fong Z, Lewis TJ, Santana LF, Clancy CE. A computational model predicts sex-specific responses to calcium channel blockers in mammalian mesenteric vascular smooth muscle. eLife 2024; 12:RP90604. [PMID: 38335126 PMCID: PMC10942543 DOI: 10.7554/elife.90604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2024] Open
Abstract
The function of the smooth muscle cells lining the walls of mammalian systemic arteries and arterioles is to regulate the diameter of the vessels to control blood flow and blood pressure. Here, we describe an in silico model, which we call the 'Hernandez-Hernandez model', of electrical and Ca2+ signaling in arterial myocytes based on new experimental data indicating sex-specific differences in male and female arterial myocytes from murine resistance arteries. The model suggests the fundamental ionic mechanisms underlying membrane potential and intracellular Ca2+ signaling during the development of myogenic tone in arterial blood vessels. Although experimental data suggest that KV1.5 channel currents have similar amplitudes, kinetics, and voltage dependencies in male and female myocytes, simulations suggest that the KV1.5 current is the dominant current regulating membrane potential in male myocytes. In female cells, which have larger KV2.1 channel expression and longer time constants for activation than male myocytes, predictions from simulated female myocytes suggest that KV2.1 plays a primary role in the control of membrane potential. Over the physiological range of membrane potentials, the gating of a small number of voltage-gated K+ channels and L-type Ca2+ channels are predicted to drive sex-specific differences in intracellular Ca2+ and excitability. We also show that in an idealized computational model of a vessel, female arterial smooth muscle exhibits heightened sensitivity to commonly used Ca2+ channel blockers compared to male. In summary, we present a new model framework to investigate the potential sex-specific impact of antihypertensive drugs.
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Affiliation(s)
| | - Samantha C O'Dwyer
- Department of Physiology & Membrane Biology, University of California, DavisDavisUnited States
| | - Pei-Chi Yang
- Department of Physiology & Membrane Biology, University of California, DavisDavisUnited States
| | - Collin Matsumoto
- Department of Physiology & Membrane Biology, University of California, DavisDavisUnited States
| | - Mindy Tieu
- Department of Physiology & Membrane Biology, University of California, DavisDavisUnited States
| | - Zhihui Fong
- Department of Physiology & Membrane Biology, University of California, DavisDavisUnited States
| | - Timothy J Lewis
- Department of Mathematics, University of California, DavisDavisUnited States
| | - L Fernando Santana
- Department of Physiology & Membrane Biology, University of California, DavisDavisUnited States
| | - Colleen E Clancy
- Department of Physiology & Membrane Biology, University of California, DavisDavisUnited States
- Center for Precision Medicine and Data Sciences, University of California, DavisDavisUnited States
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12
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Islam MT, Hall SA, Dutson T, Bloom SI, Bramwell RC, Kim J, Tucker JR, Machin DR, Donato AJ, Lesniewski LA. Endothelial cell-specific reduction in mTOR ameliorates age-related arterial and metabolic dysfunction. Aging Cell 2024; 23:e14040. [PMID: 38017701 PMCID: PMC10861194 DOI: 10.1111/acel.14040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 10/04/2023] [Accepted: 10/23/2023] [Indexed: 11/30/2023] Open
Abstract
Systemic inhibition of the mammalian target of rapamycin (mTOR) delays aging and many age-related conditions including arterial and metabolic dysfunction. However, the mechanisms and tissues involved in these beneficial effects remain largely unknown. Here, we demonstrate that activation of S6K, a downstream target of mTOR, is increased in arteries with advancing age, and that this occurs preferentially in the endothelium compared with the vascular smooth muscle. Induced endothelial cell-specific deletion of mTOR reduced protein expression by 60-70%. Although this did not significantly alter arterial and metabolic function in young mice, endothelial mTOR reduction reversed arterial stiffening and improved endothelium-dependent dilation (EDD) in old mice, indicating an improvement in age-related arterial dysfunction. Improvement in arterial function in old mice was concomitant with reductions in arterial cellular senescence, inflammation, and oxidative stress. The reduction in endothelial mTOR also improved glucose tolerance in old mice, and this was associated with attenuated hepatic gluconeogenesis and improved lipid tolerance, but was independent of alterations in peripheral insulin sensitivity, pancreatic beta cell function, or fasted plasma lipids in old mice. Lastly, we found that endothelial mTOR reduction suppressed gene expression of senescence and inflammatory markers in endothelial-rich (i.e., lung) and metabolically active organs (i.e., liver and adipose tissue), which may have contributed to the improvement in metabolic function in old mice. This is the first evidence demonstrating that reducing endothelial mTOR in old age improves arterial and metabolic function. These findings have implications for future drug development.
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Affiliation(s)
- Md Torikul Islam
- Department of Nutrition and Integrative PhysiologyThe University of UtahSalt Lake CityUtahUSA
| | - Shelby A. Hall
- Department of Nutrition and Integrative PhysiologyThe University of UtahSalt Lake CityUtahUSA
| | - Tavia Dutson
- Division of Geriatrics, Department of Internal MedicineThe University of Utah School of MedicineSalt Lake CityUtahUSA
| | - Samuel I. Bloom
- Department of Nutrition and Integrative PhysiologyThe University of UtahSalt Lake CityUtahUSA
| | - R. Colton Bramwell
- Division of Geriatrics, Department of Internal MedicineThe University of Utah School of MedicineSalt Lake CityUtahUSA
| | - John Kim
- Nora Eccles Harrison Cardiovascular Research and Training InstituteThe University of UtahSalt Lake CityUtahUSA
| | - Jordan R. Tucker
- Division of Geriatrics, Department of Internal MedicineThe University of Utah School of MedicineSalt Lake CityUtahUSA
| | - Daniel R. Machin
- Division of Geriatrics, Department of Internal MedicineThe University of Utah School of MedicineSalt Lake CityUtahUSA
| | - Anthony J. Donato
- Department of Nutrition and Integrative PhysiologyThe University of UtahSalt Lake CityUtahUSA
- Division of Geriatrics, Department of Internal MedicineThe University of Utah School of MedicineSalt Lake CityUtahUSA
- Nora Eccles Harrison Cardiovascular Research and Training InstituteThe University of UtahSalt Lake CityUtahUSA
- Geriatric Research Education and Clinical CenterVeteran's Affairs Medical CenterSalt Lake CityUtahUSA
- Department of BiochemistryThe University of UtahSalt Lake CityUtahUSA
| | - Lisa A. Lesniewski
- Department of Nutrition and Integrative PhysiologyThe University of UtahSalt Lake CityUtahUSA
- Division of Geriatrics, Department of Internal MedicineThe University of Utah School of MedicineSalt Lake CityUtahUSA
- Nora Eccles Harrison Cardiovascular Research and Training InstituteThe University of UtahSalt Lake CityUtahUSA
- Geriatric Research Education and Clinical CenterVeteran's Affairs Medical CenterSalt Lake CityUtahUSA
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13
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Wriedt EB, Kielgast U, Svane MS, Møller S, Madsbad S. Kinetics of insulin and C-peptide and estimation of prehepatic insulin secretion rates after intravenous glucose stimulation using arterial versus venous blood sampling in healthy males. Scand J Clin Lab Invest 2024; 84:16-23. [PMID: 38265854 DOI: 10.1080/00365513.2024.2306537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Accepted: 01/07/2024] [Indexed: 01/25/2024]
Abstract
An intravenous glucose-infusion of 0.3 g glucose per Kg body weight was administered over 1 min in nine healthy males with simultaneous blood sampling from the hepatic vein, femoral artery and a peripheral vein. Insulin secretion rates (ISR) were determined by the Eaton method and the ISEC method using C-peptide concentrations from arterial and peripheral venous blood. First phase (0-10 min), second phase (10-60 min), and total insulin secretion (0-60 min) were calculated as the incremental areas (iAUC) above baseline. The primary endpoint was first phase insulin response. The first phase insulin response in artery and venous blood did not differ with the Eaton method (p = 0.25), but was significantly greater with the ISEC method in arterial compared with venous blood (p < 0.05). The first phase insulin responses did not differ between methods in artery (p = 0.73) or venous blood (p = 0.73). The first phase responses of insulin and C-peptide were significant higher in the hepatic vein compared with those in the artery (p < 0.05) and peripheral vein (p < 0.05) but did not differ significantly between the artery compared with the peripheral vein for insulin (p = 0.09) or C-peptide (p = 0.26). Prehepatic insulin secretion rates did not differ between the Eaton and ISEC methods, but with the ISEC method the first phase insulin response was significantly greater in arterial compared with venous blood. The first phase insulin response differs when calculated from plasma insulin or C-peptide and depends on sample sites.
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Affiliation(s)
- Emil Brink Wriedt
- Department of Endocrinology, Hvidovre University Hospital, Hvidovre, Denmark
| | - Urd Kielgast
- Department of Endocrinology, Hvidovre University Hospital, Hvidovre, Denmark
| | - Maria S Svane
- Department of Endocrinology, Hvidovre University Hospital, Hvidovre, Denmark
| | - Søren Møller
- Department of Clinical Physiology and Nuclear Medicine, Center for Functional and Diagnostic Imaging and Research, Hvidovre University Hospital, Hvidovre, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Sten Madsbad
- Department of Endocrinology, Hvidovre University Hospital, Hvidovre, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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14
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Xu Y, Xu L, Xu C, Zhao M, Xu T, Xia L, Wu Y, Cao Y, Han Z. PSD-95 inhibitor Tat-NR2B9c (NA-1) protects the integrity of the blood-brain barrier after transient middle artery occlusion in rats by downregulating matrix metalloprotease-9 and upregulating endothelial nitric oxide synthase. Brain Res Bull 2024; 206:110836. [PMID: 38042504 DOI: 10.1016/j.brainresbull.2023.110836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Revised: 11/23/2023] [Accepted: 11/30/2023] [Indexed: 12/04/2023]
Abstract
BACKGROUND Protection against ischemic stroke may be most effective when multiple components of the neurovascular unit are protected, yet current treatments target mainly neurons. Here we explored whether the PSD-95 inhibitor Tat-NR2B9c (NA-1) can protect not only neurons but also the blood-brain barrier. METHODS Adult male Sprague-Dawley rats were randomly divided into three groups, which were subjected to either sham surgery or transient cerebral ischemia-reperfusion, after which some animals were treated with Tat-NR2B9c. The therapeutic efficacy of Tat-NR2B9c was assessed in terms of the degree of neurological deficit and cerebral infarction, integrity of the blood-brain barrier, cerebral water content, as well as expression of PSD-95, nitric oxide synthase, and matrix metalloprotease-9. RESULTS Tat-NR2B9c (NA-1) ameliorated neurofunctional deficit, reduced cerebral infarction, mitigated blood-brain barrier injury and improved its integrity following ischemia-reperfusion, leading to less cerebral edema. These improvements were associated with upregulation of tight junction proteins in the blood-brain barrier. At the same time, Tat-NR2B9c (NA-1) downregulated neuronal nitric oxide synthase and matrix metalloprotease-9, while reversing the ischemia-induced downregulation of endothelial nitric oxide synthase in brain. We report here the first evidence that PSD-95 is expressed in vascular endothelial cells in the brain. CONCLUSION Our experiments in a rat model of transient occlusion of the middle cerebral artery suggest that Tat-NR2B9c (NA-1) can mitigate ischemic injury to the blood-brain barrier, and that it may do so by downregulating matrix metalloprotease-9 and upregulating endothelial nitric oxide synthase.
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Affiliation(s)
- Ye Xu
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Lu Xu
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Chunfei Xu
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Meiqi Zhao
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Tong Xu
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Lingfan Xia
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yucong Wu
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yungang Cao
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Zhao Han
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.
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15
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Ma Y, Yu X, Ye S, Li W, Yang Q, Li YX, Wang Y, Wang YL. Immune-regulatory properties of endovascular extravillous trophoblast cells in human placenta. Placenta 2024; 145:107-116. [PMID: 38128221 DOI: 10.1016/j.placenta.2023.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 11/04/2023] [Accepted: 12/07/2023] [Indexed: 12/23/2023]
Abstract
INTRODUCTION Uterine spiral artery remodeling is the prerequisite for ensuring adequate blood supply to the maternal-fetal interface during human pregnancy. One crucial cellular event in this process involves the extensive replacement of the spiral artery endothelial cells by endovascular extravillous trophoblasts (enEVTs), a subtype of extravillous trophoblasts (EVTs). However, our understanding of the properties of enEVTs remains limited. METHODS Human enEVTs in decidual tissues during early pregnancy was purified using flow sorting by specific makers, NCAM1 and HLA-G. The high-throughput RNA sequencing analysis as well as the cytokine antibody array experiments were carried out to analyze for cell properties. Gene ontology (GO) enrichment, kyoto encyclopedia of genes and genomes (KEGG) enrichment, and gene set enrichment analysis (GSEA) were performed on differentially expressed genes of enEVTs. Immunofluorescent assays were used to verify the analysis results. RESULTS Both enEVTs and interstitial EVTs (iEVTs) exhibited gene expression patterns typifying EVT characteristics. Intriguingly, enEVTs displayed gene expression associated with immune responses, particularly reminiscent of M2 macrophage characteristics. The active secretion of multiple cytokines and chemokines by enEVTs provided partial validation for their expression pattern of immune-regulatory genes. DISCUSSION Our study reveals the immune-regulatory properties of human enEVTs and provides new insights into their functions and mechanisms involved in spiral artery remodeling.
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Affiliation(s)
- Yeling Ma
- School of Medicine, Shaoxing University, Shaoxing, Zhejiang, 312000, China; State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Xin Yu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, China
| | - Shenglong Ye
- Department of Gynecology and Obstetrics, Peking University Third Hospital, Beijing, China
| | - Wenlong Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China; University of Chinese Academy of Sciences, Beijing, China
| | - Qian Yang
- NHC Key Lab of Reproduction Regulation, Shanghai Engineering Research Center of Reproductive Health Drug and Devices, Shanghai Institute for Biomedical and Pharmaceutical Technologies, Shanghai, China
| | - Yu-Xia Li
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China
| | - Yongqing Wang
- Department of Gynecology and Obstetrics, Peking University Third Hospital, Beijing, China.
| | - Yan-Ling Wang
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology, Chinese Academy of Sciences, Beijing, 100101, China; Beijing Institute for Stem Cell and Regenerative Medicine, Beijing, 100101, China; University of Chinese Academy of Sciences, Beijing, China.
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16
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Chang F, Flavahan S, Flavahan NA. Cooling-induced cutaneous vasodilatation is mediated by small-conductance, calcium-activated potassium channels in tail arteries from male mice. Physiol Rep 2023; 11:e15884. [PMID: 38010199 PMCID: PMC10680580 DOI: 10.14814/phy2.15884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 11/07/2023] [Accepted: 11/14/2023] [Indexed: 11/29/2023] Open
Abstract
Cooling causes cutaneous dilatation to restrain cold-induced constriction and prevent tissue injury. Cooling increases communication through myoendothelial gap junctions (MEGJs), thereby increasing endothelium-derived hyperpolarization (EDH)-type dilatation. EDH is initiated by calcium-activated potassium channels (KCa ) activated by endothelial stimuli or muscle-derived mediators traversing MEGJs (myoendothelial feedback). The goal of this study was to determine the individual roles of KCa with small (SK3) and intermediate (IK1) conductance in cooling-induced dilatation. Vasomotor responses of mice isolated cutaneous tail arteries were analyzed by pressure myography at 37°C and 28°C. Cooling increased acetylcholine-induced EDH-type dilatation during inhibition of NO and prostacyclin production. IK1 inhibition did not affect dilatations to acetylcholine, whereas SK3 inhibition inhibited dilatation at both temperatures. Cooling uncovered myoendothelial feedback to inhibit constrictions in U46619. IK1 inhibition did not affect U46619 constrictions, whereas SK3 inhibition abolished the inhibitory effect of cooling without affecting U46619 constriction at 37°C. Immunoblots confirmed SK3 expression, which was localized (immunofluorescence) to holes in the internal elastic lamina consistent with myoendothelial projections. Immunoblots and Immunofluorescence did not detect IK1. Studies in non-cutaneous arteries have highlighted the predominant role of IK1 in EDH-type dilatation. Cutaneous arteries are distinctly reliant on SK3, which may enable EDH-type dilation to be amplified by cooling.
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Affiliation(s)
- Fumin Chang
- Department of AnesthesiologyJohns Hopkins UniversityBaltimoreMarylandUSA
| | - Sheila Flavahan
- Department of AnesthesiologyJohns Hopkins UniversityBaltimoreMarylandUSA
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17
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Gutiérrez A, Gómez Del Val A, Contreras C, Olmos L, Sánchez A, Prieto D. Calcium handling coupled to the endothelin ET A and ET B receptor-mediated vasoconstriction in resistance arteries: Differential regulation by PI3K, PKC and RhoK. Eur J Pharmacol 2023; 956:175948. [PMID: 37541372 DOI: 10.1016/j.ejphar.2023.175948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 07/14/2023] [Accepted: 08/01/2023] [Indexed: 08/06/2023]
Abstract
Abnormal endothelin-1 (ET-1) activity is involved in the pathogenesis of vascular diseases such as essential and pulmonary arterial hypertension, coronary artery disease, and cerebrovascular disease, blockade of ET receptors having shown efficacy in clinical assays and experimental models of hypertension. Augmented Ca2+ influx and changes in Ca2+ sensitization associated with arterial vasoconstriction underlie increased systemic vascular resistance in hypertension. Since peripheral resistance arteries play a key role in blood pressure regulation, we aimed to determine here the specific Ca2+ signaling mechanisms linked to the ET receptor-mediated vasoconstriction in resistance arteries and their selective regulation by protein kinase C (PKC), Rho kinase (RhoK), the phosphatidylinositol 3-kinase (PI3K) and the mitogen-activated protein kinase (MAPK). ET-1-induced contraction was mediated by the endothelin ETA receptor with a minor contribution of vascular smooth muscle (VSM) endothelin ETB receptors. ET receptor activation elicited Ca2+ mobilization from intracellular stores, extracellular Ca2+ influx and Ca2+ sensitization associated with contraction in resistance arteries. Vasoconstriction induced by ET-1 was largely dependent on activation of canonical transient receptor potential channel 3 (TRPC3) and extracellular Ca2+ influx through nifedipine-sensitive voltage-dependent Ca2+ channels. PI3K inhibition reduced intracellular Ca2+ mobilization and Ca2+ entry without altering vasoconstriction elicited by ET-1, while PKC has dual opposite actions by enhancing Ca2+ influx associated with contraction, and by inhibiting Ca2+ release from intracellular stores. RhoK was a major determinant of the enhanced sensitivity of the contractile filaments underlying ET-1 vasoconstriction, with also a modulatory positive action on Ca2+ influx and intracellular Ca2+ release. Augmented RhoK and PKC activities are involved in vascular dysfunction in hypertension and vascular complications of insulin-resistant states, and these kinases are thus potential pharmacological targets in vascular diseases in which the ET pathway is impaired.
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Affiliation(s)
- Alejandro Gutiérrez
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040, Madrid, Spain
| | - Alfonso Gómez Del Val
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040, Madrid, Spain
| | - Cristina Contreras
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040, Madrid, Spain
| | - Lucia Olmos
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040, Madrid, Spain
| | - Ana Sánchez
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040, Madrid, Spain
| | - Dolores Prieto
- Departamento de Fisiología, Facultad de Farmacia, Universidad Complutense de Madrid, 28040, Madrid, Spain.
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Här K, Lysenko NN, Dimitrova D, Schlüter T, Zavaritskaya O, Kamkin AG, Mladenov M, Grisk O, Köhler R, Gagov H, Schubert R. Kv2.1 Channels Prevent Vasomotion and Safeguard Myogenic Reactivity in Rat Small Superior Cerebellar Arteries. Cells 2023; 12:1989. [PMID: 37566068 PMCID: PMC10416909 DOI: 10.3390/cells12151989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 07/27/2023] [Accepted: 07/29/2023] [Indexed: 08/12/2023] Open
Abstract
Vascular smooth muscle voltage-gated potassium (Kv) channels have been proposed to contribute to myogenic autoregulation. Surprisingly, in initial experiments, we observed that the Kv2 channel inhibitor stromatoxin induced vasomotion without affecting myogenic tone. Thus, we tested the hypothesis that Kv2 channels contribute to myogenic autoregulation by fine-tuning the myogenic response. Expression of Kv2 channel mRNA was determined using real-time PCR and 'multiplex' single-cell RT-PCR. Potassium currents were measured using the patch-clamp technique. Contractile responses of intact arteries were studied using isobaric myography. Expression of Kv2.1 but not Kv2.2 channels was detected in intact rat superior cerebellar arteries and in single smooth muscle cells. Stromatoxin, a high-affinity inhibitor of Kv2 channels, reduced smooth muscle Kv currents by 61% at saturating concentrations (EC50 36 nmol/L). Further, stromatoxin (10-100 nmol/L) induced pronounced vasomotion in 48% of the vessels studied. In vessels not exhibiting vasomotion, stromatoxin did not affect myogenic reactivity. Notably, in vessels exhibiting stromatoxin-induced vasomotion, pressure increases evoked two effects: First, they facilitated the occurrence of random vasodilations and/or vasoconstrictions, disturbing the myogenic response (24% of the vessels). Second, they modified the vasomotion by decreasing its amplitude and increasing its frequency, thereby destabilizing myogenic tone (76% of the vessels). Our study demonstrates that (i) Kv2.1 channels are the predominantly expressed Kv channels in smooth muscle cells of rat superior cerebellar arteries, and (ii) Kv2.1 channels provide a novel type of negative feedback mechanism in myogenic autoregulation by preventing vasomotion and thereby safeguarding the myogenic response.
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Affiliation(s)
- Kristina Här
- European Center of Angioscience (ECAS), Research Division Cardiovascular Physiology, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Natalia N. Lysenko
- European Center of Angioscience (ECAS), Research Division Cardiovascular Physiology, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Department of Physiology, N. I. Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Daniela Dimitrova
- Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Torsten Schlüter
- Institute of Physiology, Universitätsmedizin Greifswald, 17475 Greifswald, Germany
| | - Olga Zavaritskaya
- European Center of Angioscience (ECAS), Research Division Cardiovascular Physiology, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Andrej G. Kamkin
- Department of Physiology, N. I. Pirogov Russian National Research Medical University, 117997 Moscow, Russia
| | - Mitko Mladenov
- Department of Physiology, N. I. Pirogov Russian National Research Medical University, 117997 Moscow, Russia
- Institute of Biology, Faculty of Natural Sciences and Mathematics, University of Ss. Cyril and Methodius, 1000 Skopje, North Macedonia
| | - Olaf Grisk
- Institute of Physiology, Brandenburg Medical School Theodor Fontane, 16816 Neuruppin, Germany
| | - Ralf Köhler
- ARAID-IACS, UIT University Hospital Miguel Servet, 50009 Zaragoza, Spain
| | - Hristo Gagov
- Department of Animal and Human Physiology, Faculty of Biology, Sofia University ‘St. Kliment Ohridski’, 1164 Sofia, Bulgaria
| | - Rudolf Schubert
- European Center of Angioscience (ECAS), Research Division Cardiovascular Physiology, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Physiology, Institute of Theoretical Medicine, Faculty of Medicine, University of Augsburg, Universitätsstrasse 2, 86159 Augsburg, Germany
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19
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Peixoto-Neves D, Yadav S, MacKay CE, Mbiakop UC, Mata-Daboin A, Leo MD, Jaggar JH. Vasodilators mobilize SK3 channels in endothelial cells to produce arterial relaxation. Proc Natl Acad Sci U S A 2023; 120:e2303238120. [PMID: 37494394 PMCID: PMC10401010 DOI: 10.1073/pnas.2303238120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 06/20/2023] [Indexed: 07/28/2023] Open
Abstract
Endothelial cells (ECs) line the lumen of all blood vessels and regulate functions, including contractility. Physiological stimuli, such as acetylcholine (ACh) and intravascular flow, activate transient receptor potential vanilloid 4 (TRPV4) channels, which stimulate small (SK3)- and intermediate (IK)-conductance Ca2+-activated potassium channels in ECs to produce vasodilation. Whether physiological vasodilators also modulate the surface abundance of these ion channels in ECs to elicit functional responses is unclear. Here, we show that ACh and intravascular flow stimulate rapid anterograde trafficking of an intracellular pool of SK3 channels in ECs of resistance-size arteries, which increases surface SK3 protein more than two-fold. In contrast, ACh and flow do not alter the surface abundance of IK or TRPV4 channels. ACh triggers SK3 channel trafficking by activating TRPV4-mediated Ca2+ influx, which stimulates Rab11A, a Rab GTPase associated with recycling endosomes. Superresolution microscopy data demonstrate that SK3 trafficking specifically increases the size of surface SK3 clusters which overlap with TRPV4 clusters. We also show that Rab11A-dependent trafficking of SK3 channels is an essential contributor to vasodilator-induced SK current activation in ECs and vasorelaxation. In summary, our data demonstrate that vasodilators activate Rab11A, which rapidly delivers an intracellular pool of SK3 channels to the vicinity of surface TRPV4 channels in ECs. This trafficking mechanism increases surface SK3 cluster size, elevates SK3 current density, and produces vasodilation. These data also demonstrate that SK3 and IK channels are differentially regulated by trafficking-dependent and -independent signaling mechanisms in endothelial cells.
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Affiliation(s)
| | - Shambhu Yadav
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN38163
| | - Charles E. MacKay
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN38163
| | - Ulrich C. Mbiakop
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN38163
| | - Alejandro Mata-Daboin
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN38163
| | - M. Dennis Leo
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN38163
| | - Jonathan H. Jaggar
- Department of Physiology, University of Tennessee Health Science Center, Memphis, TN38163
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20
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Del Carmen Gonzalez-Montelongo M, Meades JL, Fortuny-Gomez A, Fountain SJ. Neuropeptide Y: Direct vasoconstrictor and facilitatory effects on P2X1 receptor-dependent vasoconstriction in human small abdominal arteries. Vascul Pharmacol 2023; 151:107192. [PMID: 37419269 DOI: 10.1016/j.vph.2023.107192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/23/2023] [Accepted: 06/29/2023] [Indexed: 07/09/2023]
Abstract
Neuropeptide Y (NPY) is co-released with norepinephrine and ATP by sympathetic nerves innervating arteries. Circulating NPY is elevated during exercise and cardiovascular disease, though information regarding the vasomotor function of NPY in human blood vessels is limited. Wire myography revealed NPY directly stimulated vasoconstriction (EC50 10.3 ± 0.4 nM; N = 5) in human small abdominal arteries. Maximum vasoconstriction was antagonised by both BIBO03304 (60.7 ± 6%; N = 6) and BIIE0246 (54.6 ± 5%; N = 6), suggesting contributions of both Y1 and Y2 receptor activation, respectively. Y1 and Y2 receptor expression in arterial smooth muscle cells was confirmed by immunocytochemistry, and western blotting of artery lysates. α,β-meATP evoked vasoconstrictions (EC50 282 ± 32 nM; N = 6) were abolished by suramin (IC50 825 ± 45 nM; N = 5) and NF449 (IC50 24 ± 5 nM; N = 5), suggesting P2X1 mediates vasoconstriction in these arteries. P2X1, P2X4 and P2X7 were detectable by RT-PCR. Significant facilitation (1.6-fold) of α,β-meATP-evoked vasoconstrictions was observed when submaximal NPY (10 nM) was applied between α,β-meATP applications. Facilitation was antagonised by either BIBO03304 or BIIE0246. These data reveal NPY causes direct vasoconstriction in human arteries which is dependent upon both Y1 and Y2 receptor activation. NPY also acts as a modulator, facilitating P2X1-dependent vasoconstriction. Though in contrast to the direct vasoconstrictor effects of NPY, there is redundancy between Y1 and Y2 receptor activation to achieve the facilitatory effect.
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Affiliation(s)
| | - Jessica Lauren Meades
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Anna Fortuny-Gomez
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Samuel J Fountain
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK.
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21
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Huang L, Cheng F, Zhang X, Zielonka J, Nystoriak MA, Xiang W, Raygor K, Wang S, Lakshmanan A, Jiang W, Yuan S, Hou KS, Zhang J, Wang X, Syed AU, Juric M, Takahashi T, Navedo MF, Wang RA. Nitric oxide synthase and reduced arterial tone contribute to arteriovenous malformation. Sci Adv 2023; 9:eade7280. [PMID: 37235659 PMCID: PMC10219588 DOI: 10.1126/sciadv.ade7280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Accepted: 04/20/2023] [Indexed: 05/28/2023]
Abstract
Mechanisms underlying arteriovenous malformations (AVMs) are poorly understood. Using mice with endothelial cell (EC) expression of constitutively active Notch4 (Notch4*EC), we show decreased arteriolar tone in vivo during brain AVM initiation. Reduced vascular tone is a primary effect of Notch4*EC, as isolated pial arteries from asymptomatic mice exhibited reduced pressure-induced arterial tone ex vivo. The nitric oxide (NO) synthase (NOS) inhibitor NG-nitro-l-arginine (L-NNA) corrected vascular tone defects in both assays. L-NNA treatment or endothelial NOS (eNOS) gene deletion, either globally or specifically in ECs, attenuated AVM initiation, assessed by decreased AVM diameter and delayed time to moribund. Administering nitroxide antioxidant 4-hydroxy-2,2,6,6-tetramethylpiperidine-1-oxyl also attenuated AVM initiation. Increased NOS-dependent production of hydrogen peroxide, but not NO, superoxide, or peroxynitrite was detected in isolated Notch4*EC brain vessels during AVM initiation. Our data suggest that eNOS is involved in Notch4*EC-mediated AVM formation by up-regulating hydrogen peroxide and reducing vascular tone, thereby permitting AVM initiation and progression.
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Affiliation(s)
- Lawrence Huang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Feng Cheng
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Xuetao Zhang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Jacek Zielonka
- Free Radical Research Laboratory, Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Matthew A. Nystoriak
- Department of Pharmacology, University of California, Davis, Davis, CA 95616, USA
| | - Weiwei Xiang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Kunal Raygor
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Shaoxun Wang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Aditya Lakshmanan
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Weiya Jiang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Sai Yuan
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Kevin S. Hou
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Jiayi Zhang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Xitao Wang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
| | - Arsalan U. Syed
- Department of Pharmacology, University of California, Davis, Davis, CA 95616, USA
| | - Matea Juric
- Free Radical Research Laboratory, Department of Biophysics, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Takamune Takahashi
- Division of Nephrology and Hypertension, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Manuel F. Navedo
- Department of Pharmacology, University of California, Davis, Davis, CA 95616, USA
| | - Rong A. Wang
- Laboratory for Accelerated Vascular Research, Department of Surgery, University of California San Francisco, San Francisco, CA 94143, USA
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22
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Ji J, Zhao X, Huang J, Wu X, Xie F, Li L, Wang T, Mi S. Apolipoprotein A-IV of diabetic-foot patients upregulates tumor necrosis factor α expression in microfluidic arterial models. Exp Biol Med (Maywood) 2023; 248:691-701. [PMID: 36775868 PMCID: PMC10408548 DOI: 10.1177/15353702221147562] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 11/21/2022] [Indexed: 02/14/2023] Open
Abstract
Diabetic peripheral arterial atherosclerosis is one of the important characteristics of diabetic foot syndrome. Apolipoprotein (Apo A-IV) participates in various physiological processes, and animal studies have shown that it has roles of anti-atherosclerosis, prevention of platelet aggregation and thrombosis. Apo A-IV glycosylation is closely related to the occurrence and development of diabetic peripheral atherosclerosis. This study aimed to explore the mechanism of diabetic peripheral arterial lesions caused by glycosylated Apo A-IV. Type 2 diabetes mellitus (T2DM) and T2DM with diabetic foot patients (T2DM-F; n = 45, 30) were enrolled in this study, and individuals without diabetes (n = 35) served as normal controls (NC). In T2DM group, serum Apo A-IV content was higher than those in NC and T2DM-F group, as carboxymethyl lysine (CML) glycosylation of Apo A-IV in mixed serum from T2DM-F group was identified to be more significant than those in two other groups. Within a microfluidic arterial chip model, Apo A-IV from T2DM and T2DM-F group significantly increased transcription and protein levels of tumor necrosis factor alpha (TNF-α) in chip arteries, and CML expression was observed in T2DM-F group, which were associated with increased nuclear receptor subfamily 4 group A member 3 (NR4A3) expression. Recombinant human Apo A-IV could reverse the stimulating effect of serum Apo A-IV from T2DM-F group on TNF-α expression, and NR4A3 blocking peptide downregulated TNF-α expression by inhibiting NR4A3 expression. In the chip arteries, Apo A-IV from T2DM and T2DM-F increased TNF-α expression and turn them into a pre-atherosclerotic state, which might be one of the important mechanisms of glycosylated Apo A-IV to induce diabetic peripheral arterial lesions and eventually lead to diabetic foot.
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Affiliation(s)
- Jun Ji
- Department of Cardiovascular Surgery, University of Chinese Academy of Science Shenzhen Hospital, Shenzhen 518027, China
| | - Xiaoyu Zhao
- Bio-manufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055 China
| | - Jiajun Huang
- Bio-manufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055 China
| | - Xuanqin Wu
- Department of Cardiovascular Surgery, University of Chinese Academy of Science Shenzhen Hospital, Shenzhen 518027, China
| | - Fang Xie
- Department of Endocrinology, University of Chinese Academy of Science Shenzhen Hospital, Shenzhen 518027, China
| | - Liang Li
- Department of Cardiovascular Surgery, University of Chinese Academy of Science Shenzhen Hospital, Shenzhen 518027, China
| | - Tao Wang
- Department of Cardiovascular Surgery, University of Chinese Academy of Science Shenzhen Hospital, Shenzhen 518027, China
| | - Shengli Mi
- Bio-manufacturing Engineering Laboratory, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055 China
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23
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Almeida CR, Lima JF, Machado MR, Alves JV, Couto AES, Campos LCB, Avila-Mesquita CD, Auxiliadora-Martins M, Becari C, Louzada-Júnior P, Tostes RC, Lobato NS, Costa RM. Inhibition of IL-6 signaling prevents serum-induced umbilical cord artery dysfunction from patients with severe COVID-19. Am J Physiol Regul Integr Comp Physiol 2023; 324:R435-R445. [PMID: 36737252 PMCID: PMC10026982 DOI: 10.1152/ajpregu.00154.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Coronavirus disease 2019 (COVID-19) infection has a negative impact on the cytokine profile of pregnant women. Increased levels of proinflammatory cytokines seem to be correlated with the severity of the disease, in addition to predisposing to miscarriage or premature birth. Proinflammatory cytokines increase the generation of reactive oxygen species (ROS). It is unclear how interleukin-6 (IL-6) found in the circulation of patients with severe COVID-19 might affect gestational health, particularly concerning umbilical cord function. This study tested the hypothesis that IL-6 present in the circulation of women with severe COVID-19 causes umbilical cord artery dysfunction by increasing ROS generation and activating redox-sensitive proteins. Umbilical cord arteries were incubated with serum from healthy women and women with severe COVID-19. Vascular function was assessed using concentration-effect curves to serotonin in the presence or absence of pharmacological agents, such as tocilizumab (antibody against the IL-6 receptor), tiron (ROS scavenger), ML171 (Nox1 inhibitor), and Y27632 (Rho kinase inhibitor). ROS generation was assessed by the dihydroethidine probe and Rho kinase activity by an enzymatic assay. Umbilical arteries exposed to serum from women with severe COVID-19 were hyperreactive to serotonin. This effect was abolished in the presence of tocilizumab, tiron, ML171, and Y27632. In addition, serum from women with severe COVID-19 increased Nox1-dependent ROS generation and Rho kinase activity. Increased Rho kinase activity was abolished by tocilizumab and tiron. Serum cytokines in women with severe COVID-19 promote umbilical artery dysfunction. IL-6 is key to Nox-linked vascular oxidative stress and activation of the Rho kinase pathway.
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Affiliation(s)
- Cellyne R Almeida
- Academic Unit of Health Sciences, Federal University of Jatai, Jatai, Goias, Brazil
| | - Júlia F Lima
- Academic Unit of Health Sciences, Federal University of Jatai, Jatai, Goias, Brazil
| | - Mirele R Machado
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
| | - Juliano V Alves
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
| | - Ariel E S Couto
- Department of Surgery and Anatomy, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
| | - Ligia C B Campos
- Department of Surgery and Anatomy, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
| | - Carolina D Avila-Mesquita
- Department of Surgery and Anatomy, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
| | - Maria Auxiliadora-Martins
- Department of Surgery and Anatomy, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
| | - Christiane Becari
- Department of Surgery and Anatomy, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
| | - Paulo Louzada-Júnior
- Department of Clinical Medicine, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
| | - Rita C Tostes
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
| | - Núbia S Lobato
- Academic Unit of Health Sciences, Federal University of Jatai, Jatai, Goias, Brazil
| | - Rafael M Costa
- Academic Unit of Health Sciences, Federal University of Jatai, Jatai, Goias, Brazil
- Department of Pharmacology, Ribeirao Preto Medical School, University of Sao Paulo, Ribeirao Preto, Sao Paulo, Brazil
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24
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Milusev A, Despont A, Shaw J, Rieben R, Sorvillo N. Inflammatory stimuli induce shedding of heparan sulfate from arterial but not venous porcine endothelial cells leading to differential proinflammatory and procoagulant responses. Sci Rep 2023; 13:4483. [PMID: 36934164 PMCID: PMC10024017 DOI: 10.1038/s41598-023-31396-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Accepted: 03/10/2023] [Indexed: 03/20/2023] Open
Abstract
Endothelial dysfunction is an early event of vascular injury defined by a proinflammatory and procoagulant endothelial cell (EC) phenotype. Although endothelial glycocalyx disruption is associated with vascular damage, how various inflammatory stimuli affect the glycocalyx and whether arterial and venous cells respond differently is unknown. Using a 3D round-channel microfluidic system we investigated the endothelial glycocalyx, particularly heparan sulfate (HS), on porcine arterial and venous ECs. Heparan sulfate (HS)/glycocalyx expression was observed already under static conditions on venous ECs while it was flow-dependent on arterial cells. Furthermore, analysis of HS/glycocalyx response after stimulation with inflammatory cues revealed that venous, but not arterial ECs, are resistant to HS shedding. This finding was observed also on isolated porcine vessels. Persistence of HS on venous ECs prevented complement deposition and clot formation after stimulation with tumor necrosis factor α or lipopolysaccharide, whereas after xenogeneic activation no glycocalyx-mediated protection was observed. Contrarily, HS shedding on arterial cells, even without an inflammatory insult, was sufficient to induce a proinflammatory and procoagulant phenotype. Our data indicate that the dimorphic response of arterial and venous ECs is partially due to distinct HS/glycocalyx dynamics suggesting that arterial and venous thrombo-inflammatory disorders require targeted therapies.
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Affiliation(s)
- Anastasia Milusev
- Department for BioMedical Research (DBMR), University of Bern, Murtenstrasse 24, 3008, Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences (GCB), University of Bern, Bern, Switzerland
| | - Alain Despont
- Department for BioMedical Research (DBMR), University of Bern, Murtenstrasse 24, 3008, Bern, Switzerland
| | - Jane Shaw
- Department for BioMedical Research (DBMR), University of Bern, Murtenstrasse 24, 3008, Bern, Switzerland
| | - Robert Rieben
- Department for BioMedical Research (DBMR), University of Bern, Murtenstrasse 24, 3008, Bern, Switzerland
| | - Nicoletta Sorvillo
- Department for BioMedical Research (DBMR), University of Bern, Murtenstrasse 24, 3008, Bern, Switzerland.
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25
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Fok PW. Shear stress regulation in cylindrical arteries through medial growth and nitric oxide release. J Math Biol 2023; 86:55. [PMID: 36928428 DOI: 10.1007/s00285-023-01894-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 12/14/2022] [Accepted: 02/27/2023] [Indexed: 03/18/2023]
Abstract
The mechanisms employed by blood vessels in order to adapt to their hemodynamic environment are important for our general understanding of disease and development. Changes in arterial geometry are generally induced by two effects: vasodilation and/or constriction; and growth and remodeling ("G &R"). The first can occur over short periods of a few minutes, while the second usually occurs over timescales of weeks or months. The free radical Nitric oxide (NO) is one of the few biological signaling molecules that is gaseous. When smooth muscle cells internalize NO, they lengthen and ultimately induce a relaxation of the artery. Platelet-Derived Growth Factor (PDGF) is a growth factor released by smooth muscle cells and platelets that regulates cell growth and division. In this paper we present a single-layered, axisymmetric hyperelastic model for a deforming, growing artery in which the opening angle is regulated by NO and growth is induced by PDGF. Our model describes vasodilation and G &R in a long cylindrical artery regulated by a steady-state Poiseuille flow. The transport of NO released by the endothelium is governed by a diffusion equation with a shear-stress dependent flux boundary condition. Arterial opening angle is assumed to be a Hill function of the wall-averaged NO concentration. We find that both growth and NO help to regulate shear stress with respect to the flow rate, but regulation through growth occurs only at large times. In contrast, regulation through NO is immediate but can only occur as long as the opening angle is able to continually decrease as a function of flow rate. Our model is calibrated using experimental data from ligated, control, and anastomosed carotid arteries of adult and weanling rabbits. Our results generate shear stress/flow rate and lumen radius/flow rate curves that agree with experimental data from control and NO-inhibited rabbit carotid arteries.
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Affiliation(s)
- Pak-Wing Fok
- Department of Mathematical Sciences, University of Delaware, Newark, USA.
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26
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Kiełbowski K, Bakinowska E, Pawlik A. The Potential Role of Connexins in the Pathogenesis of Atherosclerosis. Int J Mol Sci 2023; 24:ijms24032600. [PMID: 36768920 PMCID: PMC9916887 DOI: 10.3390/ijms24032600] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 12/29/2022] [Accepted: 01/23/2023] [Indexed: 01/31/2023] Open
Abstract
Connexins (Cx) are members of a protein family which enable extracellular and intercellular communication through hemichannels and gap junctions (GJ), respectively. Cx take part in transporting important cell-cell messengers such as 3',5'-cyclic adenosine monophosphate (cAMP), adenosine triphosphate (ATP), and inositol 1,4,5-trisphosphate (IP3), among others. Therefore, they play a significant role in regulating cell homeostasis, proliferation, and differentiation. Alterations in Cx distribution, degradation, and post-translational modifications have been correlated with cancers, as well as cardiovascular and neurological diseases. Depending on the isoform, Cx have been shown either to promote or suppress the development of atherosclerosis, a progressive inflammatory disease affecting large and medium-sized arteries. Cx might contribute to the progression of the disease by enhancing endothelial dysfunction, monocyte recruitment, vascular smooth muscle cell (VSMC) activation, or by inhibiting VSMC autophagy. Inhibition or modulation of the expression of specific isoforms could suppress atherosclerotic plaque formation and diminish pro-inflammatory conditions. A better understanding of the complexity of atherosclerosis pathophysiology linked with Cx could result in developing novel therapeutic strategies. This review aims to present the role of Cx in the pathogenesis of atherosclerosis and discusses whether they can become novel therapeutic targets.
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Abstract
Giant cell arteritis is an autoimmune disease of medium and large arteries, characterized by granulomatous inflammation of the three-layered vessel wall that results in vaso-occlusion, wall dissection, and aneurysm formation. The immunopathogenesis of giant cell arteritis is an accumulative process in which a prolonged asymptomatic period is followed by uncontrolled innate immunity, a breakdown in self-tolerance, the transition of autoimmunity from the periphery into the vessel wall and, eventually, the progressive evolution of vessel wall inflammation. Each of the steps in pathogenesis corresponds to specific immuno-phenotypes that provide mechanistic insights into how the immune system attacks and damages blood vessels. Clinically evident disease begins with inappropriate activation of myeloid cells triggering the release of hepatic acute phase proteins and inducing extravascular manifestations, such as muscle pains and stiffness diagnosed as polymyalgia rheumatica. Loss of self-tolerance in the adaptive immune system is linked to aberrant signaling in the NOTCH pathway, leading to expansion of NOTCH1+CD4+ T cells and the functional decline of NOTCH4+ T regulatory cells (Checkpoint 1). A defect in the endothelial cell barrier of adventitial vasa vasorum networks marks Checkpoint 2; the invasion of monocytes, macrophages and T cells into the arterial wall. Due to the failure of the immuno-inhibitory PD-1 (programmed cell death protein 1)/PD-L1 (programmed cell death ligand 1) pathway, wall-infiltrating immune cells arrive in a permissive tissues microenvironment, where multiple T cell effector lineages thrive, shift toward high glycolytic activity, and support the development of tissue-damaging macrophages, including multinucleated giant cells (Checkpoint 3). Eventually, the vascular lesions are occupied by self-renewing T cells that provide autonomy to the disease process and limit the therapeutic effectiveness of currently used immunosuppressants. The multi-step process deviating protective to pathogenic immunity offers an array of interception points that provide opportunities for the prevention and therapeutic management of this devastating autoimmune disease.
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Affiliation(s)
- Cornelia M. Weyand
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA
- Department of Cardiovascular Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN, USA
- Department of Immunology, Mayo Clinic College of Medicine and Science
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94306
| | - Jörg J. Goronzy
- Department of Medicine, Mayo Clinic Alix School of Medicine, Rochester, MN 55905, USA
- Department of Immunology, Mayo Clinic College of Medicine and Science
- Department of Medicine, Stanford University School of Medicine, Stanford, CA 94306
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28
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Perrotta I. Atherosclerosis: From Molecular Biology to Therapeutic Perspective 2.0. Int J Mol Sci 2022; 23:ijms232315158. [PMID: 36499481 PMCID: PMC9740737 DOI: 10.3390/ijms232315158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022] Open
Abstract
Atherosclerosis is a chronic inflammatory disease of large- and medium-sized arteries involving aberrant immune-inflammatory responses, dysfunctional molecular pathways, and impaired tissue repair mechanisms [...].
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Affiliation(s)
- Ida Perrotta
- Department of Biology, Ecology and Earth Sciences, Centre for Microscopy and Microanalysis (CM2), University of Calabria, Arcavacata di Rende, 87036 Cosenza, Italy
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29
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Karamanavi E, McVey DG, van der Laan SW, Stanczyk PJ, Morris GE, Wang Y, Yang W, Chan K, Poston RN, Luo J, Zhou X, Gong P, Jones PD, Cao J, Kostogrys RB, Webb TR, Pasterkamp G, Yu H, Xiao Q, Greer PA, Stringer EJ, Samani NJ, Ye S. The FES Gene at the 15q26 Coronary-Artery-Disease Locus Inhibits Atherosclerosis. Circ Res 2022; 131:1004-1017. [PMID: 36321446 PMCID: PMC9770135 DOI: 10.1161/circresaha.122.321146] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Revised: 10/16/2022] [Accepted: 10/17/2022] [Indexed: 12/05/2022]
Abstract
BACKGROUND Genome-wide association studies have discovered a link between genetic variants on human chromosome 15q26.1 and increased coronary artery disease (CAD) susceptibility; however, the underlying pathobiological mechanism is unclear. This genetic locus contains the FES (FES proto-oncogene, tyrosine kinase) gene encoding a cytoplasmic protein-tyrosine kinase involved in the regulation of cell behavior. We investigated the effect of the 15q26.1 variants on FES expression and whether FES plays a role in atherosclerosis. METHODS AND RESULTS Analyses of isogenic monocytic cell lines generated by CRISPR (clustered regularly interspaced short palindromic repeats)-mediated genome editing showed that monocytes with an engineered 15q26.1 CAD risk genotype had reduced FES expression. Small-interfering-RNA-mediated knockdown of FES promoted migration of monocytes and vascular smooth muscle cells. A phosphoproteomics analysis showed that FES knockdown altered phosphorylation of a number of proteins known to regulate cell migration. Single-cell RNA-sequencing revealed that in human atherosclerotic plaques, cells that expressed FES were predominately monocytes/macrophages, although several other cell types including smooth muscle cells also expressed FES. There was an association between the 15q26.1 CAD risk genotype and greater numbers of monocytes/macrophage in human atherosclerotic plaques. An animal model study demonstrated that Fes knockout increased atherosclerotic plaque size and within-plaque content of monocytes/macrophages and smooth muscle cells, in apolipoprotein E-deficient mice fed a high fat diet. CONCLUSIONS We provide substantial evidence that the CAD risk variants at the 15q26.1 locus reduce FES expression in monocytes and that FES depletion results in larger atherosclerotic plaques with more monocytes/macrophages and smooth muscle cells. This study is the first demonstration that FES plays a protective role against atherosclerosis and suggests that enhancing FES activity could be a potentially novel therapeutic approach for CAD intervention.
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Affiliation(s)
- Elisavet Karamanavi
- Department of Cardiovascular Sciences, University of Leicester, and National Institute for Health Research Leicester Biomedical Research Centre, Leicester, United Kingdom (E.K., D.G.M., P.J.S., G.E.M., P.G., P.D.J., T.R.W., E.J.S., N.J.S., S.Y.)
| | - David G. McVey
- Department of Cardiovascular Sciences, University of Leicester, and National Institute for Health Research Leicester Biomedical Research Centre, Leicester, United Kingdom (E.K., D.G.M., P.J.S., G.E.M., P.G., P.D.J., T.R.W., E.J.S., N.J.S., S.Y.)
| | - Sander W. van der Laan
- Central Diagnostic Laboratory, University of Utrecht, The Netherlands (S.W.v.d.L., G.P.)
| | - Paulina J. Stanczyk
- Department of Cardiovascular Sciences, University of Leicester, and National Institute for Health Research Leicester Biomedical Research Centre, Leicester, United Kingdom (E.K., D.G.M., P.J.S., G.E.M., P.G., P.D.J., T.R.W., E.J.S., N.J.S., S.Y.)
| | - Gavin E. Morris
- Department of Cardiovascular Sciences, University of Leicester, and National Institute for Health Research Leicester Biomedical Research Centre, Leicester, United Kingdom (E.K., D.G.M., P.J.S., G.E.M., P.G., P.D.J., T.R.W., E.J.S., N.J.S., S.Y.)
| | - Yifan Wang
- Cardiovascular Disease Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (Y.W., H.Y., S.Y.)
| | - Wei Yang
- Shantou University Medical College, China (W.Y., J.C., S.Y.)
| | - Kenneth Chan
- William Harvey Research Institute, Queen Mary University of London, United Kingdom (K.C., R.N.P., J.L., X.Z., Q.X.)
| | - Robin N. Poston
- William Harvey Research Institute, Queen Mary University of London, United Kingdom (K.C., R.N.P., J.L., X.Z., Q.X.)
| | - Jun Luo
- William Harvey Research Institute, Queen Mary University of London, United Kingdom (K.C., R.N.P., J.L., X.Z., Q.X.)
| | - Xinmiao Zhou
- William Harvey Research Institute, Queen Mary University of London, United Kingdom (K.C., R.N.P., J.L., X.Z., Q.X.)
| | - Peng Gong
- Department of Cardiovascular Sciences, University of Leicester, and National Institute for Health Research Leicester Biomedical Research Centre, Leicester, United Kingdom (E.K., D.G.M., P.J.S., G.E.M., P.G., P.D.J., T.R.W., E.J.S., N.J.S., S.Y.)
| | - Peter D. Jones
- Department of Cardiovascular Sciences, University of Leicester, and National Institute for Health Research Leicester Biomedical Research Centre, Leicester, United Kingdom (E.K., D.G.M., P.J.S., G.E.M., P.G., P.D.J., T.R.W., E.J.S., N.J.S., S.Y.)
| | - Junjun Cao
- Shantou University Medical College, China (W.Y., J.C., S.Y.)
| | - Renata B. Kostogrys
- Department of Human Nutrition, University of Agriculture in Kraków, Poland (R.B.K.)
| | - Tom R. Webb
- Department of Cardiovascular Sciences, University of Leicester, and National Institute for Health Research Leicester Biomedical Research Centre, Leicester, United Kingdom (E.K., D.G.M., P.J.S., G.E.M., P.G., P.D.J., T.R.W., E.J.S., N.J.S., S.Y.)
| | - Gerard Pasterkamp
- Central Diagnostic Laboratory, University of Utrecht, The Netherlands (S.W.v.d.L., G.P.)
| | - Haojie Yu
- Cardiovascular Disease Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (Y.W., H.Y., S.Y.)
| | - Qingzhong Xiao
- William Harvey Research Institute, Queen Mary University of London, United Kingdom (K.C., R.N.P., J.L., X.Z., Q.X.)
| | - Peter A. Greer
- Department of Pathology and Molecular Medicine, Queen’s University, Kingston, Canada (P.A.G.)
| | - Emma J. Stringer
- Department of Cardiovascular Sciences, University of Leicester, and National Institute for Health Research Leicester Biomedical Research Centre, Leicester, United Kingdom (E.K., D.G.M., P.J.S., G.E.M., P.G., P.D.J., T.R.W., E.J.S., N.J.S., S.Y.)
| | - Nilesh J. Samani
- Department of Cardiovascular Sciences, University of Leicester, and National Institute for Health Research Leicester Biomedical Research Centre, Leicester, United Kingdom (E.K., D.G.M., P.J.S., G.E.M., P.G., P.D.J., T.R.W., E.J.S., N.J.S., S.Y.)
| | - Shu Ye
- Department of Cardiovascular Sciences, University of Leicester, and National Institute for Health Research Leicester Biomedical Research Centre, Leicester, United Kingdom (E.K., D.G.M., P.J.S., G.E.M., P.G., P.D.J., T.R.W., E.J.S., N.J.S., S.Y.)
- Cardiovascular Disease Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, Singapore (Y.W., H.Y., S.Y.)
- Shantou University Medical College, China (W.Y., J.C., S.Y.)
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Ma J, Hu J, Wang X, Zhang S, Li Z, Liu J. Improvement of Cardiovascular Function in Aging Females by the Prolonged Activation of G Protein-Coupled Estrogen Receptor. J Cardiovasc Transl Res 2022; 16:371-381. [PMID: 36121620 DOI: 10.1007/s12265-022-10315-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 08/30/2022] [Indexed: 11/26/2022]
Abstract
Ample evidence suggests that estrogen replacement therapy is associated with beneficial effects with regard to cardiovascular diseases when the therapy is initiated temporally close to menopause but not when it is initiated later. Little is known about the complex interactions between hormone receptors after menopause. Coronary artery function and cardiac function were measured in rats that had either received no treatment or had been pretreated with an androgen receptor (AR) antagonist and/or a GPER agonist G-1. ICI 182,780 was used to block the classical estrogen receptors (ERs) to investigate their complex interactions with GPER. The beneficial effects of GPER were only observed by blocking ARs and classical ERs in aged female rats. The results demonstrate that GPER activation is a potential therapeutic target for the inhibition of age-dependent coronary artery dysfunction and cardiac dysfunction under the condition of blocking ARs and classical ERs after menopause. CLINICAL RELEVANCE: The risk of cardiovascular disease in postmenopausal women significantly increased. The role of sex hormones and their receptors during this process is still complicated. Our present study demonstrated that the imbalance of androgen and estrogen may contribute to the impairment of vascular reactivity and subsequent cardiac function. Treatment with GPER agonist G1 combined with the inhibition of ERα and ERβ could improve vascular function and reduce the myocardial ischemia reperfusion injury. These findings may provide the novel and effective strategy for the treatment of cardiovascular diseases in postmenopausal women.
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Affiliation(s)
- Jipeng Ma
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Jing Hu
- Key Laboratory of Resource Biology and Biotechnology in Western China, Ministry of Education, Faculty of Life Science & Medicine, Northwest University, Xi'an, China
| | - Xiaowu Wang
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Shuaishuai Zhang
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Zilin Li
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China.
| | - Jincheng Liu
- Department of Cardiovascular Surgery, Xijing Hospital, Fourth Military Medical University, Xi'an, China.
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31
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Schneider EH, Fitzgerald AC, Ponnapula SS, Dopico AM, Bukiya AN. Differential distribution of cholesterol pools across arteries under high-cholesterol diet. Biochim Biophys Acta Mol Cell Biol Lipids 2022; 1867:159235. [PMID: 36113825 DOI: 10.1016/j.bbalip.2022.159235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 08/26/2022] [Accepted: 09/05/2022] [Indexed: 11/19/2022]
Abstract
Excessive cholesterol constitutes a major risk factor for vascular disease. Within cells, cholesterol is distributed in detergent-sensitive and detergent-resistant fractions, with the largest amount of cholesterol residing in cellular membranes. We set out to determine whether various arteries differ in their ability to accumulate esterified and non-esterified cholesterol in detergent-sensitive versus detergent-resistant fractions throughout the course of a high-cholesterol diet. Male Sprague-Dawley rats were placed on 2 % cholesterol diet while a control group was receiving iso-caloric standard chow. Liver, aorta, and pulmonary, mesenteric, and cerebral arteries were collected at 2-6, 8-12, 14-18, and 20-24 weeks from the start of high-cholesterol diet. After fraction separation, esterified and free non-esterified cholesterol levels were measured. In all arteries, largest cholesterol amounts were present in detergent-sensitive fractions in the non-esterified form. Overall, cholesterol in aorta and cerebral arteries was elevated during 14-18 weeks of high-cholesterol diet. Cerebral arteries also exhibited increase in esterified cholesterol within detergent-sensitive domains, as well as increase in cholesterol level in the detergent-resistant fraction at earlier time-points of diet. Pulmonary artery and mesenteric artery were largely resistant to cholesterol accumulation. Quantitative polymerase chain reaction (qPCR) analysis revealed up-regulation of low-density lipoprotein receptor (Ldlr) and low-density lipoprotein receptor-related protein 1 (Lrp1) gene expression in cerebral arteries when compared to mesenteric and pulmonary arteries, respectively. In summary, we unveiled the differential ability of arteries to accumulate cholesterol over the course of a high-cholesterol diet. The differential accumulation of cholesterol seems to correlate with the up-regulated gene expression of proteins responsible for cholesterol uptake.
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Affiliation(s)
- Elizabeth H Schneider
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, The University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Amanda C Fitzgerald
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, The University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Supriya Suzy Ponnapula
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, The University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Alex M Dopico
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, The University of Tennessee Health Science Center, Memphis, TN 38163, United States
| | - Anna N Bukiya
- Department of Pharmacology, Addiction Science and Toxicology, College of Medicine, The University of Tennessee Health Science Center, Memphis, TN 38163, United States.
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32
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Saenz-Medina J, Muñoz M, Rodriguez C, Contreras C, Sánchez A, Coronado MJ, Ramil E, Santos M, Carballido J, Prieto D. Hyperoxaluria Induces Endothelial Dysfunction in Preglomerular Arteries: Involvement of Oxidative Stress. Cells 2022; 11:cells11152306. [PMID: 35954150 PMCID: PMC9367519 DOI: 10.3390/cells11152306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 07/15/2022] [Accepted: 07/24/2022] [Indexed: 02/01/2023] Open
Abstract
Urolithiasis is a worldwide problem and a risk factor for kidney injury. Oxidative stress-associated renal endothelial dysfunction secondary to urolithiasis could be a key pathogenic factor, similar to obesity and diabetes-related nephropathy. The aim of the present study was to characterize urolithiasis-related endothelial dysfunction in a hyperoxaluria rat model of renal lithiasis. Experimental approach: Endothelial dysfunction was assessed in preglomerular arteries isolated from control rats and in which 0.75% ethylene glycol was administered in drinking water. Renal interlobar arteries were mounted in microvascular myographs for functional studies; superoxide generation was measured by chemiluminescence and mRNA and protein expression by RT-PCR and immunofluorescence, respectively. Selective inhibitors were used to study the influence of the different ROS sources, xanthine oxidase, COX-2, Nox1, Nox2 and Nox4. Inflammatory vascular response was also studied by measuring the RNAm expression of NF-κB, MCP-1 and TNFα by RT-PCR. Results: Endothelium-dependent vasodilator responses were impaired in the preglomerular arteries of the hyperoxaluric group along with higher superoxide generation in the renal cortex and vascular inflammation developed by MCP-1 and promoted by NF-κB. The xanthine oxidase inhibitor allopurinol restored the endothelial relaxations and returned superoxide generation to basal values. Nox1 and Nox2 mRNA were up-regulated in arteries from the hyperoxaluric group, and Nox1 and Nox2 selective inhibitors also restored the impaired vasodilator responses and normalized NADPH oxidase-dependent higher superoxide values of renal cortex from the hyperoxaluric group. Conclusions: The current data support that hyperoxaluria induces oxidative stress-mediated endothelial dysfunction and inflammatory response in renal preglomerular arteries which is promoted by the xanthine oxidase, Nox1 and Nox2 pathways.
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Affiliation(s)
- Javier Saenz-Medina
- Department of Urology, Puerta de Hierro-Majadahonda University Hospital, 28222 Majadahonda, Spain;
- Department of Medical Specialties and Public Health, King Juan Carlos University, 28933 Madrid, Spain
- Correspondence: (J.S.-M.); (D.P.)
| | - Mercedes Muñoz
- Department of Physiology, Pharmacy Faculty, Complutense University, 28040 Madrid, Spain; (M.M.); (C.R.); (C.C.); (A.S.)
| | - Claudia Rodriguez
- Department of Physiology, Pharmacy Faculty, Complutense University, 28040 Madrid, Spain; (M.M.); (C.R.); (C.C.); (A.S.)
| | - Cristina Contreras
- Department of Physiology, Pharmacy Faculty, Complutense University, 28040 Madrid, Spain; (M.M.); (C.R.); (C.C.); (A.S.)
| | - Ana Sánchez
- Department of Physiology, Pharmacy Faculty, Complutense University, 28040 Madrid, Spain; (M.M.); (C.R.); (C.C.); (A.S.)
| | - María José Coronado
- Confocal Microscopy Facility, Puerta de Hierro-Majadahonda Research Institute, 28222 Majadahonda, Spain;
| | - Elvira Ramil
- Molecular Biology and DNA Sequencing Facility, Puerta de Hierro-Majadahonda Research Institute, 28222 Majadahonda, Spain;
| | - Martin Santos
- Medical and Surgical Research Facility, Puerta de Hierro-Majadahonda Research Institute, 28222 Majadahonda, Spain;
| | - Joaquín Carballido
- Department of Urology, Puerta de Hierro-Majadahonda University Hospital, 28222 Majadahonda, Spain;
| | - Dolores Prieto
- Department of Medical Specialties and Public Health, King Juan Carlos University, 28933 Madrid, Spain
- Correspondence: (J.S.-M.); (D.P.)
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Morin EE, Salbato S, Walker BR, Naik JS. Endothelial cell membrane cholesterol content regulates the contribution of TRPV4 channels in ACh-induced vasodilation in rat gracilis arteries. Microcirculation 2022; 29:e12774. [PMID: 35689491 PMCID: PMC10389065 DOI: 10.1111/micc.12774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 05/26/2022] [Accepted: 06/06/2022] [Indexed: 02/06/2023]
Abstract
OBJECTIVE Our previous work demonstrated that endothelial cell (EC) membrane cholesterol is reduced following 48 h of chronic hypoxia (CH). CH couples endothelial transient receptor potential subfamily V member 4 (TRPV4) channels to muscarinic receptor signaling through an endothelium-dependent hyperpolarization (EDH) pathway does not present in control animals. TRVPV4 channel activity has been shown to be regulated by membrane cholesterol. Hence, we hypothesize that acute manipulation of endothelial cell membrane cholesterol inversely determines the contribution of TRPV4 channels to endothelium-dependent vasodilation. METHODS Male Sprague-Dawley rats were exposed to ambient atmospheric (atm.) pressure or 48-h of hypoxia (0.5 atm). Vasodilation to acetylcholine (ACh) was determined using pressure myography in gracilis arteries. EC membrane cholesterol was depleted using methyl-β-cyclodextrin (MβCD) and supplemented with MβCD-cholesterol. RESULTS Inhibiting TRPV4 did not affect ACh-induced vasodilation in normoxic controls. However, TRPV4 inhibition reduced resting diameter in control arteries suggesting basal activity. TRPV4 contributes to ACh-induced vasodilation in these arteries when EC membrane cholesterol is depleted. Inhibiting TRPV4 attenuated ACh-induced vasodilation in arteries from CH animals that exhibit lower EC membrane cholesterol than normoxic controls. EC cholesterol repletion in arteries from CH animals abolished the contribution of TRPV4 to ACh-induced vasodilation. CONCLUSION Endothelial cell membrane cholesterol impedes the contribution of TRPV4 channels in EDH-mediated dilation. These results provide additional evidence for the importance of plasma membrane cholesterol content in regulating intracellular signaling and vascular function.
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Affiliation(s)
- Emily E Morin
- Department of Cell Biology and Physiology, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
| | - Sophia Salbato
- Department of Cell Biology and Physiology, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
| | - Benjimen R Walker
- Department of Cell Biology and Physiology, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
| | - Jay S Naik
- Department of Cell Biology and Physiology, University of New Mexico School of Medicine, Albuquerque, New Mexico, USA
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Strahlhofer-Augsten M, Schliefsteiner C, Cvitic S, George M, Lang-Olip I, Hirschmugl B, Marsche G, Lang U, Novakovic B, Saffery R, Desoye G, Wadsack C. The Distinct Role of the HDL Receptor SR-BI in Cholesterol Homeostasis of Human Placental Arterial and Venous Endothelial Cells. Int J Mol Sci 2022; 23:ijms23105364. [PMID: 35628180 PMCID: PMC9141204 DOI: 10.3390/ijms23105364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 04/28/2022] [Accepted: 04/30/2022] [Indexed: 11/17/2022] Open
Abstract
As opposed to adults, high-density lipoprotein (HDL) is the main cholesterol carrying lipoprotein in fetal circulation. The major HDL receptor, scavenger receptor class B type I (SR-BI), contributes to local cholesterol homeostasis. Arterial endothelial cells (ECA) from human placenta are enriched with cholesterol compared to venous endothelial cells (ECV). Moreover, umbilical venous and arterial plasma cholesterol levels differ markedly. We tested the hypothesis that the uptake of HDL-cholesteryl esters differs between ECA and ECV because of the differential expression of SR-BI. We aimed to identify the key regulators underlying these differences and the functional consequences. Immunohistochemistry was used for visualization of SR-BI in situ. ECA and ECV were isolated from the chorionic plate of human placenta and used for RT-qPCR, Western Blot, and HDL uptake assays with 3H- and 125I-labeled HDL. DNA was extracted for the methylation profiling of the SR-BI promoter. SR-BI regulation was studied by exposing ECA and ECV to differential oxygen concentrations or shear stress. Our results show elevated SR-BI expression and protein abundance in ECA compared to ECV in situ and in vitro. Immunohistochemistry demonstrated that SR-BI is mainly expressed on the apical side of placental endothelial cells in situ, allowing interaction with mature HDL circulating in the fetal blood. This was functionally linked to a higher increase of selective cholesterol ester uptake from fetal HDL in ECA than in ECV, and resulted in increased cholesterol availability in ECA. SR-BI expression on ECV tended to decrease with shear stress, which, together with heterogeneous immunostaining, suggests that SR-BI expression is locally regulated in the placental vasculature. In addition, hypomethylation of several CpG sites within the SR-BI promoter region might contribute to differential expression of SR-BI between chorionic arteries and veins. Therefore, SR-BI contributes to a local cholesterol homeostasis in ECA and ECV of the human feto-placental vasculature.
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Affiliation(s)
- Manuela Strahlhofer-Augsten
- Research Unit, Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; (M.S.-A.); (C.S.); (S.C.); (B.H.); (G.D.)
- BioBank Graz, Medical University of Graz, 8036 Graz, Austria
| | - Carolin Schliefsteiner
- Research Unit, Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; (M.S.-A.); (C.S.); (S.C.); (B.H.); (G.D.)
| | - Silvija Cvitic
- Research Unit, Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; (M.S.-A.); (C.S.); (S.C.); (B.H.); (G.D.)
- Research Unit of Analytical Mass Spectrometry, Cell Biology and Biochemistry of Inborn Errors of Metabolism, Department of Paediatrics and Adolescent Medicine, Medical University of Graz, 8036 Graz, Austria
| | - Meekha George
- Otto Loewi Research Center, Division of Pathophysiology and Immunology, Medical University of Graz, 8010 Graz, Austria;
| | - Ingrid Lang-Olip
- Gottfried Schatz Research Center, Divison of Cell Biology, Histology and Embryology, Medical University of Graz, 8036 Graz, Austria;
| | - Birgit Hirschmugl
- Research Unit, Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; (M.S.-A.); (C.S.); (S.C.); (B.H.); (G.D.)
| | - Gunther Marsche
- Otto Loewi Research Center, Division of Pharmacology, Medical University of Graz, 8010 Graz, Austria;
| | - Uwe Lang
- Research Unit, Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; (M.S.-A.); (C.S.); (S.C.); (B.H.); (G.D.)
| | - Boris Novakovic
- Molecular Immunity, Infection and Immunity Theme, Murdoch Children’s Research Institute, Parkville, VIC 3052, Australia; (B.N.); (R.S.)
| | - Richard Saffery
- Molecular Immunity, Infection and Immunity Theme, Murdoch Children’s Research Institute, Parkville, VIC 3052, Australia; (B.N.); (R.S.)
| | - Gernot Desoye
- Research Unit, Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; (M.S.-A.); (C.S.); (S.C.); (B.H.); (G.D.)
| | - Christian Wadsack
- Research Unit, Department of Obstetrics and Gynecology, Medical University of Graz, 8036 Graz, Austria; (M.S.-A.); (C.S.); (S.C.); (B.H.); (G.D.)
- Correspondence:
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Bouderlique E, Tang E, Zaworski J, Coudert A, Bazin D, Borondics F, Haymann JP, Leftheriotis G, Martin L, Daudon M, Letavernier E. Vitamin D and Calcium Supplementation Accelerate Vascular Calcification in a Model of Pseudoxanthoma Elasticum. Int J Mol Sci 2022; 23:ijms23042302. [PMID: 35216422 PMCID: PMC8878394 DOI: 10.3390/ijms23042302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/11/2022] [Accepted: 02/17/2022] [Indexed: 11/16/2022] Open
Abstract
Arterial calcification is a common feature of pseudoxanthoma elasticum (PXE), a disease characterized by ABCC6 mutations, inducing a deficiency in pyrophosphate, a key inhibitor of calcium phosphate crystallization in arteries. METHODS we analyzed whether long-term exposure of Abcc6-/- mice (a murine model of PXE) to a mild vitamin D supplementation, with or without calcium, would impact the development of vascular calcification. Eight groups of mice (including Abcc6-/- and wild-type) received vitamin D supplementation every 2 weeks, a calcium-enriched diet alone (calcium in drinking water), both vitamin D supplementation and calcium-enriched diet, or a standard diet (controls) for 6 months. Aorta and kidney artery calcification was assessed by 3D-micro-computed tomography, Optical PhotoThermal IR (OPTIR) spectroscopy, scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy (SEM-EDS) and Yasue staining. RESULTS at 6 months, although vitamin D and/or calcium did not significantly increase serum calcium levels, vitamin D and calcium supplementation significantly worsened aorta and renal artery calcification in Abcc6-/- mice. CONCLUSIONS vitamin D and/or calcium supplementation accelerate vascular calcification in a murine model of PXE. These results sound a warning regarding the use of these supplementations in PXE patients and, to a larger extent, patients with low systemic pyrophosphate levels.
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Affiliation(s)
- Elise Bouderlique
- UMR S 1155, Sorbonne Université, 75020 Paris, France; (E.B.); (E.T.); (J.Z.); (J.-P.H.); (M.D.)
- Institut National de la Santé et de la Recherche Médicale (INSERM), Sorbonne Université, 75020 Paris, France
| | - Ellie Tang
- UMR S 1155, Sorbonne Université, 75020 Paris, France; (E.B.); (E.T.); (J.Z.); (J.-P.H.); (M.D.)
- Institut National de la Santé et de la Recherche Médicale (INSERM), Sorbonne Université, 75020 Paris, France
| | - Jeremy Zaworski
- UMR S 1155, Sorbonne Université, 75020 Paris, France; (E.B.); (E.T.); (J.Z.); (J.-P.H.); (M.D.)
- Institut National de la Santé et de la Recherche Médicale (INSERM), Sorbonne Université, 75020 Paris, France
| | - Amélie Coudert
- UFR d’odontologie (Département des Sciences Biologiques), Université Paris Diderot BIOSCAR—INSERM U1132, Hôpital Lariboisière, 75010 Paris, France;
| | - Dominique Bazin
- Laboratoire de Physique des Solides, CNRS UMR 8502, Université Paris Sud XI, 91405 Orsay, France;
| | - Ferenc Borondics
- Synchrotron Soleil, L’Orme des Merisiers, Saint-Aubin–BP48, CEDEX, 91192 Gif-sur-Yvette, France;
| | - Jean-Philippe Haymann
- UMR S 1155, Sorbonne Université, 75020 Paris, France; (E.B.); (E.T.); (J.Z.); (J.-P.H.); (M.D.)
- Institut National de la Santé et de la Recherche Médicale (INSERM), Sorbonne Université, 75020 Paris, France
- Physiology Unit, AP-HP, Hôpital Tenon, 75020 Paris, France
| | - Georges Leftheriotis
- Laboratory of Physiology and Molecular Medicine (LP2M), CNRS-UNS UMR 7370, University of Nice, 28 rue de Valombrose, CEDEX 2, 06107 Nice, France;
| | - Ludovic Martin
- MITOVASC Institute—UMR CNRS 6015 INSERM U1083 Angers University, 49100 Angers, France;
- PXE Consultation Center, MAGEC Reference Center, MAGEC Nord Center for Rare Skin Diseases, Angers University Hospital, 49100 Angers, France
| | - Michel Daudon
- UMR S 1155, Sorbonne Université, 75020 Paris, France; (E.B.); (E.T.); (J.Z.); (J.-P.H.); (M.D.)
- Institut National de la Santé et de la Recherche Médicale (INSERM), Sorbonne Université, 75020 Paris, France
- Physiology Unit, AP-HP, Hôpital Tenon, 75020 Paris, France
| | - Emmanuel Letavernier
- UMR S 1155, Sorbonne Université, 75020 Paris, France; (E.B.); (E.T.); (J.Z.); (J.-P.H.); (M.D.)
- Institut National de la Santé et de la Recherche Médicale (INSERM), Sorbonne Université, 75020 Paris, France
- Physiology Unit, AP-HP, Hôpital Tenon, 75020 Paris, France
- Correspondence:
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Jahn LA, Hartline L, Liu Z, Barrett EJ. Metformin improves skeletal muscle microvascular insulin resistance in metabolic syndrome. Am J Physiol Endocrinol Metab 2022; 322:E173-E180. [PMID: 34957859 PMCID: PMC8858665 DOI: 10.1152/ajpendo.00287.2021] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 12/16/2021] [Accepted: 12/20/2021] [Indexed: 11/22/2022]
Abstract
Microvascular insulin resistance is present in metabolic syndrome and may contribute to increased cardiovascular disease risk and the impaired metabolic response to insulin observed. Metformin improves metabolic insulin resistance in humans. Its effects on macro and microvascular insulin resistance have not been defined. Eleven subjects with nondiabetic metabolic syndrome were studied four times (before and after 12 wk of treatment with placebo or metformin) using a crossover design, with an 8-wk washout interval between treatments. On each occasion, we measured three indices of large artery function [pulse wave velocity (PWV), radial pulse wave separation analysis (PWSA), brachial artery endothelial function (flow-mediated dilation-FMD)] as well as muscle microvascular perfusion [contrast-enhanced ultrasound (CEU)] before and at 120 min into a 150 min, 1 mU/min/kg euglycemic insulin clamp. Metformin decreased body mass index (BMI), fat weight, and % body fat (P < 0.05, each), however, placebo had no effect. Metformin (not placebo) improved metabolic insulin sensitivity, (clamp glucose infusion rate, P < 0.01), PWV, and FMD after insulin were unaffected by metformin treatment. PWSA improved with insulin only after metformin P < 0.01). Insulin decreased muscle microvascular blood volume measured by contrast ultrasound both before and after placebo and before metformin (P < 0.02 for each) but not after metformin. Short-term metformin treatment improves both metabolic and muscle microvascular response to insulin. Metformin's effect on microvascular insulin responsiveness may contribute to its beneficial metabolic effects. Metformin did not improve aortic stiffness or brachial artery endothelial function, but enhanced radial pulse wave properties consistent with relaxation of smaller arterioles.NEW & NOTEWORTHY Metformin, a first-line treatment for type 2 diabetes, is often used in patients with insulin resistance and metabolic syndrome. Here, we provide the first evidence for metformin improving muscle microvascular insulin sensitivity in insulin-resistant humans. Simultaneously, metformin improved muscle glucose disposal, supporting a close relationship between insulin's microvascular and its metabolic actions in muscle. Whether enhanced microvascular insulin sensitivity contributes to metformin's ability to decrease microvascular complications in diabetes remains to be resolved.
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Affiliation(s)
- Linda A Jahn
- Division of Endocrinology, Department of Medicine, University of Virginia, School of Medicine, Charlottesville, Virginia
| | - Lee Hartline
- Division of Endocrinology, Department of Medicine, University of Virginia, School of Medicine, Charlottesville, Virginia
| | - Zhenqi Liu
- Division of Endocrinology, Department of Medicine, University of Virginia, School of Medicine, Charlottesville, Virginia
| | - Eugene J Barrett
- Division of Endocrinology, Department of Medicine, University of Virginia, School of Medicine, Charlottesville, Virginia
- Department of Pharmacology, University of Virginia, School of Medicine, Charlottesville, Virginia
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Goettsch C, Strzelecka-Kiliszek A, Bessueille L, Quillard T, Mechtouff L, Pikula S, Canet-Soulas E, Luis MJ, Fonta C, Magne D. TNAP as a therapeutic target for cardiovascular calcification: a discussion of its pleiotropic functions in the body. Cardiovasc Res 2022; 118:84-96. [PMID: 33070177 PMCID: PMC8752354 DOI: 10.1093/cvr/cvaa299] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 09/11/2020] [Accepted: 10/06/2020] [Indexed: 12/15/2022] Open
Abstract
Cardiovascular calcification (CVC) is associated with increased morbidity and mortality. It develops in several diseases and locations, such as in the tunica intima in atherosclerosis plaques, in the tunica media in type 2 diabetes and chronic kidney disease, and in aortic valves. In spite of the wide occurrence of CVC and its detrimental effects on cardiovascular diseases (CVD), no treatment is yet available. Most of CVC involve mechanisms similar to those occurring during endochondral and/or intramembranous ossification. Logically, since tissue-nonspecific alkaline phosphatase (TNAP) is the key-enzyme responsible for skeletal/dental mineralization, it is a promising target to limit CVC. Tools have recently been developed to inhibit its activity and preclinical studies conducted in animal models of vascular calcification already provided promising results. Nevertheless, as its name indicates, TNAP is ubiquitous and recent data indicate that it dephosphorylates different substrates in vivo to participate in other important physiological functions besides mineralization. For instance, TNAP is involved in the metabolism of pyridoxal phosphate and the production of neurotransmitters. TNAP has also been described as an anti-inflammatory enzyme able to dephosphorylate adenosine nucleotides and lipopolysaccharide. A better understanding of the full spectrum of TNAP's functions is needed to better characterize the effects of TNAP inhibition in diseases associated with CVC. In this review, after a brief description of the different types of CVC, we describe the newly uncovered additional functions of TNAP and discuss the expected consequences of its systemic inhibition in vivo.
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Affiliation(s)
- Claudia Goettsch
- Department of Internal Medicine I, Cardiology, Medical Faculty, RWTH Aachen
University, Aachen, Germany
| | - Agnieszka Strzelecka-Kiliszek
- Laboratory of Biochemistry of Lipids, Nencki Institute of Experimental
Biology, 3 Pasteur Street, 02-093 Warsaw, Poland
| | - Laurence Bessueille
- Institute of Molecular and Supramolecular Chemistry and Biochemistry
(ICBMS), UMR CNRS 5246, Université Claude Bernard Lyon 1, Bâtiment
Raulin, 43 Bd du 11 novembre 1918, Lyon 69622 Villeurbanne Cedex, France
| | - Thibaut Quillard
- PHY-OS Laboratory, UMR 1238 INSERM, Université de Nantes, CHU
de Nantes, France
| | - Laura Mechtouff
- Stroke Department, Hospices Civils de Lyon, France
- CREATIS Laboratory, CNRS UMR 5220, Inserm U1044, Université Claude Bernard
Lyon 1, Lyon, France
| | - Slawomir Pikula
- Laboratory of Biochemistry of Lipids, Nencki Institute of Experimental
Biology, 3 Pasteur Street, 02-093 Warsaw, Poland
| | - Emmanuelle Canet-Soulas
- CarMeN Laboratory, Univ Lyon, INSERM, INRA, INSA Lyon, Université Claude
Bernard Lyon 1, Lyon, France
| | - Millan Jose Luis
- Human Genetics Program, Sanford Burnham Prebys Medical Discovery
Institute, La Jolla, CA 92037, USA
| | - Caroline Fonta
- Brain and Cognition Research Center CerCo, CNRS UMR5549, Université de
Toulouse, France
| | - David Magne
- Institute of Molecular and Supramolecular Chemistry and Biochemistry
(ICBMS), UMR CNRS 5246, Université Claude Bernard Lyon 1, Bâtiment
Raulin, 43 Bd du 11 novembre 1918, Lyon 69622 Villeurbanne Cedex, France
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Teoh JYC, Tian XY, Wong CYP, Lau CW, Cheng CK, Tang VWL, Chan RCK, Huang Y, Ng CF. Endothelial dysfunction after androgen deprivation therapy and the possible underlying mechanisms. Prostate 2022; 82:13-25. [PMID: 34570375 DOI: 10.1002/pros.24244] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 07/28/2021] [Accepted: 09/12/2021] [Indexed: 12/19/2022]
Abstract
INTRODUCTION Androgen deprivation therapy (ADT) is a key treatment modality in the management of prostate cancer (PCa), especially for patients with metastatic disease. Increasing evidences suggest that patients who received ADT have increased incidence of diabetes, myocardial infarction, stroke, and even mortality. It is important to understand the pathophysiological mechanisms on how ADT increases cardiovascular risk and induces cardiovascular events, which would provide important information for potential implementation of preventive measures. METHODS Twenty-six 12-week-old male SD rats were divided into four groups for different types of ADTs including: the bilateral orchidectomy group (Orx), LHRH agonist group (leuprolide), LHRH antagonist group (degarelix), and control group. After treated with drug or adjuvant injection every 3 weeks for 24 weeks, all rats were sacrificed and total blood were collected. Aorta, renal arteries, and kidney were preserved for functional assay, immunohistochemistry, western blot, and quantitative reverse-transcription polymerase chain reaction. RESULTS In vascular reactivity assays, aorta, intrarenal, and coronary arteries of all three ADT groups showed endothelial dysfunction. AT1R and related molecules at protein and messenger RNA (mRNA) level were tested, and AT1R pathway was shown to be activated and played a role in endothelial dysfunction. Both ACE and AT1R mRNA levels were doubled in the aorta in the leuprolide group while Orx and degarelix groups showed upregulation of AT1R in the kidney tissues. By immunohistochemistry, our result showed higher expression of AT1R in the intrarenal arteries of leuprolide and degarelix groups. The role of reactive oxygen species in endothelial dysfunction was confirmed by DHE fluorescence, nitrotyrosine overexpression, and upregulation of NOX2 in the different ADT treatment groups. CONCLUSION ADT causes endothelial dysfunction in male rats. GnRH receptor agonist compared to GnRH receptor antagonist, showed more impairment of endothelial function in the aorta and intrarenal arteries. Such change might be associated with upregulation and activation of AngII-AT1R-NOX2 induced oxidative stress in the vasculature. These results help to explain the different cardiovascular risks and outcomes related to different modalities of ADT treatment.
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Affiliation(s)
- Jeremy Yuen-Chun Teoh
- S.H. Ho Urology Centre, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Xiao-Yu Tian
- Institute of Vascular Medicine, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Christine Yim-Ping Wong
- S.H. Ho Urology Centre, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Chi-Wai Lau
- Institute of Vascular Medicine, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Chak-Kwong Cheng
- Institute of Vascular Medicine, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Victor Wai-Lun Tang
- Department of Clinical Pathology, Pamela Youde Nethersole Eastern Hospital, Hong Kong, China
| | - Ronald Cheong-Kin Chan
- Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Hong Kong, China
| | - Yu Huang
- Institute of Vascular Medicine, School of Biomedical Sciences, Faculty of Medicine, The Chinese University of Hong Kong, Hong Kong, China
| | - Chi-Fai Ng
- S.H. Ho Urology Centre, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
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Pitz Jacobsen D, Fjeldstad HE, Johnsen GM, Fosheim IK, Moe K, Alnæs-Katjavivi P, Dechend R, Sugulle M, Staff AC. Acute Atherosis Lesions at the Fetal-Maternal Border: Current Knowledge and Implications for Maternal Cardiovascular Health. Front Immunol 2021; 12:791606. [PMID: 34970270 PMCID: PMC8712939 DOI: 10.3389/fimmu.2021.791606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/22/2021] [Indexed: 12/15/2022] Open
Abstract
Decidua basalis, the endometrium of pregnancy, is an important interface between maternal and fetal tissues, made up of both maternal and fetal cells. Acute atherosis is a uteroplacental spiral artery lesion. These patchy arterial wall lesions containing foam cells are predominantly found in the decidua basalis, at the tips of the maternal arteries, where they feed into the placental intervillous space. Acute atherosis is prevalent in preeclampsia and other obstetric syndromes such as fetal growth restriction. Causal factors and effects of acute atherosis remain uncertain. This is in part because decidua basalis is challenging to sample systematically and in large amounts following delivery. We summarize our decidua basalis vacuum suction method, which facilitates tissue-based studies of acute atherosis. We also describe our evidence-based research definition of acute atherosis. Here, we comprehensively review the existing literature on acute atherosis, its underlying mechanisms and possible short- and long-term effects. We propose that multiple pathways leading to decidual vascular inflammation may promote acute atherosis formation, with or without poor spiral artery remodeling and/or preeclampsia. These include maternal alloreactivity, ischemia-reperfusion injury, preexisting systemic inflammation, and microbial infection. The concept of acute atherosis as an inflammatory lesion is not novel. The lesions themselves have an inflammatory phenotype and resemble other arterial lesions of more extensively studied etiology. We discuss findings of concurrently dysregulated proteins involved in immune regulation and cardiovascular function in women with acute atherosis. We also propose a novel hypothesis linking cellular fetal microchimerism, which is prevalent in women with preeclampsia, with acute atherosis in pregnancy and future cardiovascular and neurovascular disease. Finally, women with a history of preeclampsia have an increased risk of premature cardiovascular disease. We review whether presence of acute atherosis may identify women at especially high risk for premature cardiovascular disease.
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Affiliation(s)
| | - Heidi Elisabeth Fjeldstad
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
- Institute for Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Guro Mørk Johnsen
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
| | - Ingrid Knutsdotter Fosheim
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
- Institute for Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Kjartan Moe
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
- Institute for Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
- Department of Obstetrics and Gynaecology, Bærum Hospital, Vestre Viken HF, Bærum, Norway
| | | | - Ralf Dechend
- Experimental and Clinical Research Center, A Cooperation of Charité-Universitätsmedizin Berlin and Max-Delbruck Center for Molecular Medicine, Berlin, Germany
- Department of Cardiology and Nephrology, HELIOS-Klinikum, Berlin, Germany
| | - Meryam Sugulle
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
- Institute for Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Anne Cathrine Staff
- Division of Obstetrics and Gynaecology, Oslo University Hospital, Oslo, Norway
- Institute for Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
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Schinzari F, Tesauro M, Cardillo C. Vasodilator Dysfunction in Human Obesity: Established and Emerging Mechanisms. J Cardiovasc Pharmacol 2021; 78:S40-S52. [PMID: 34840258 DOI: 10.1097/fjc.0000000000001108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 06/30/2021] [Indexed: 12/25/2022]
Abstract
ABSTRACT Human obesity is associated with insulin resistance and often results in a number of metabolic abnormalities and cardiovascular complications. Over the past decades, substantial advances in the understanding of the cellular and molecular pathophysiological pathways underlying the obesity-related vascular dysfunction have facilitated better identification of several players participating in this abnormality. However, the complex interplay between the disparate mechanisms involved has not yet been fully elucidated. Moreover, in medical practice, the clinical syndromes stemming from obesity-related vascular dysfunction still carry a substantial burden of morbidity and mortality; thus, early identification and personalized clinical management seem of the essence. Here, we will initially describe the alterations of intravascular homeostatic mechanisms occurring in arteries of obese patients. Then, we will briefly enumerate those recognized causative factors of obesity-related vasodilator dysfunction, such as vascular insulin resistance, lipotoxicity, visceral adipose tissue expansion, and perivascular adipose tissue abnormalities; next, we will discuss in greater detail some emerging pathophysiological mechanisms, including skeletal muscle inflammation, signals from gut microbiome, and the role of extracellular vesicles and microRNAs. Finally, it will touch on some gaps in knowledge, as well as some current acquisitions for specific treatment regimens, such as glucagon-like peptide-1 enhancers and sodium-glucose transporter2 inhibitors, that could arrest or slow the progression of this abnormality full of unwanted consequences.
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Affiliation(s)
| | - Manfredi Tesauro
- Department of Systems Medicine, University of Tor Vergata, Rome, Italy; and
| | - Carmine Cardillo
- Department of Aging, Policlinico A. Gemelli IRCCS, Rome, Italy
- Department of Translational Medicine and Surgery, Catholic University, Rome, Italy
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Du L, Ma J, Zhang X. Association between lncRNA genetic variants and susceptibility to large artery atherosclerotic stroke. Metab Brain Dis 2021; 36:2589-2595. [PMID: 34468915 DOI: 10.1007/s11011-021-00833-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 08/23/2021] [Indexed: 11/26/2022]
Abstract
Studies have already illustrated the role of long non-coding RNAs (lncRNAs) in the progression of atherosclerosis, while the potential role of lncRNA gene variation in susceptibility to large artery atherosclerotic stroke (LAAS) remains controversial. We therefore conducted this study to explore and verify the gene expression modules of LAAS. Differentially expressed genes (DEGs) in atherosclerosis were screened in 3 patients with LAAS, and 3 healthy control patients. A further 31 individuals were used to screen DEGs, and MALAT1, MEG3, or SENCR were identified. Real-time PCR and western blotting were used to assess the difference in DEGs between the atherosclerotic and the non-atherosclerotic artery models. A total of 454 DEGs were detected from the initial screening step, and MALAT1, MEG3, or SENCR were applied to predict the risk of LAAS. The AUC of MALAT1, MEG3, and SENCR in predicting the risk of LAAS was 0.746 (95% CI: 0.398-0.753; P = 0.005), 0.575 (95% CI: 0.398-0.753; P = 0.389), and 0.629 (95% CI: 0.449- .808; P = 0.141), respectively. Moreover, there were significant differences between the atherosclerotic and non-atherosclerotic artery models for the expression of MALAT1, GCNT1, VEGFA, and VCAM-1. This study found that the MALAT1 contributes to LAAS susceptibility, and might play an important role in the progression of LAAS.
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Affiliation(s)
- Lei Du
- Department of Neurology, The First Affiliated Hospital of Xinjiang Medical University, No.137 South Liyushan Road, Urmuqi, 830099, China
| | - Jianhua Ma
- Department of Neurology, The First Affiliated Hospital of Xinjiang Medical University, No.137 South Liyushan Road, Urmuqi, 830099, China
| | - Xiaoning Zhang
- Department of Neurology, The First Affiliated Hospital of Xinjiang Medical University, No.137 South Liyushan Road, Urmuqi, 830099, China.
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Elorza Ridaura I, Sorrentino S, Moroni L. Parallels between the Developing Vascular and Neural Systems: Signaling Pathways and Future Perspectives for Regenerative Medicine. Adv Sci (Weinh) 2021; 8:e2101837. [PMID: 34693660 PMCID: PMC8655224 DOI: 10.1002/advs.202101837] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Revised: 07/23/2021] [Indexed: 05/10/2023]
Abstract
Neurovascular disorders, which involve the vascular and nervous systems, are common. Research on such disorders usually focuses on either vascular or nervous components, without looking at how they interact. Adopting a neurovascular perspective is essential to improve current treatments. Therefore, comparing molecular processes known to be involved in both systems separately can provide insight into promising areas of future research. Since development and regeneration share many mechanisms, comparing signaling molecules involved in both the developing vascular and nervous systems and shedding light to those that they have in common can reveal processes, which have not yet been studied from a regenerative perspective, yet hold great potential. Hence, this review discusses and compares processes involved in the development of the vascular and nervous systems, in order to provide an overview of the molecular mechanisms, which are most promising with regards to treatment for neurovascular disorders. Vascular endothelial growth factor, semaphorins, and ephrins are found to hold the most potential, while fibroblast growth factor, bone morphogenic protein, slits, and sonic hedgehog are shown to participate in both the developing vascular and nervous systems, yet have not been studied at the neurovascular level, therefore being of special interest for future research.
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Affiliation(s)
- Idoia Elorza Ridaura
- Complex Tissue Regeneration DepartmentMERLN Institute for Technology‐Inspired Regenerative MedicineMaastricht UniversityUniversiteitssingel 40Maastricht6229ERThe Netherlands
| | - Stefano Sorrentino
- CNR Nanotec – Institute of NanotechnologyCampus Ecotekne, via MonteroniLecce73100Italy
| | - Lorenzo Moroni
- Complex Tissue Regeneration DepartmentMERLN Institute for Technology‐Inspired Regenerative MedicineMaastricht UniversityUniversiteitssingel 40Maastricht6229ERThe Netherlands
- CNR Nanotec – Institute of NanotechnologyCampus Ecotekne, via MonteroniLecce73100Italy
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Scrivner O, Ismaeel A, Kumar MR, Sorokolet K, Koutakis P, Farmer PJ. Expanding the Reactive Sulfur Metabolome: Intracellular and Efflux Measurements of Small Oxoacids of Sulfur (SOS) and H 2S in Human Primary Vascular Cell Culture. Molecules 2021; 26:7160. [PMID: 34885743 PMCID: PMC8659008 DOI: 10.3390/molecules26237160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 12/29/2022] Open
Abstract
Hydrogen sulfide (H2S) is an endogenous signaling molecule which is important for cardiovascular health, but its mechanism of action remains poorly understood. Here, we report measurements of H2S as well as its oxidized metabolites, termed small oxoacids of sulfur (SOS = HSOH and HOSOH), in four human primary vascular cell lines: smooth muscle and endothelial cells derived from both human arterial and coronary tissues. We use a methodology that targets small molecular weight sulfur species; mass spectrometric analysis allows for species quantification to report cellular concentrations based on an H2S calibration curve. The production of H2S and SOS is orders of magnitude higher in smooth muscle (nanomolar) as compared to endothelial cell lines (picomolar). In all the primary lines measured, the distributions of these three species were HOSOH >H2S > HSOH, with much higher SOS than seen previously in non-vascular cell lines. H2S and SOS were effluxed from smooth muscle cells in higher concentrations than endothelial cells. Aortic smooth muscle cells were used to examine changes under hypoxic growth conditions. Hypoxia caused notable increases in HSOH and ROS, which we attribute to enhanced sulfide quinone oxidase activity that results in reverse electron transport.
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Affiliation(s)
- Ottis Scrivner
- Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76798, USA; (O.S.); (M.R.K.); (K.S.)
| | - Ahmed Ismaeel
- Department of Biology, Baylor University, Waco, TX 76798, USA; (A.I.); (P.K.)
| | - Murugaeson R. Kumar
- Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76798, USA; (O.S.); (M.R.K.); (K.S.)
| | - Kristina Sorokolet
- Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76798, USA; (O.S.); (M.R.K.); (K.S.)
| | - Panagiotis Koutakis
- Department of Biology, Baylor University, Waco, TX 76798, USA; (A.I.); (P.K.)
| | - Patrick J. Farmer
- Department of Chemistry and Biochemistry, Baylor University, Waco, TX 76798, USA; (O.S.); (M.R.K.); (K.S.)
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Abstract
Inflammation orchestrates each stage of the life cycle of atherosclerotic plaques. Indeed, inflammatory mediators likely link many traditional and emerging risk factors with atherogenesis. Atheroma initiation involves endothelial activation with recruitment of leucocytes to the arterial intima, where they interact with lipoproteins or their derivatives that have accumulated in this layer. The prolonged and usually clinically silent progression of atherosclerosis involves periods of smouldering inflammation, punctuated by episodes of acute activation that may arise from inflammatory mediators released from sites of extravascular injury or infection or from subclinical disruptions of the plaque. Smooth muscle cells and infiltrating leucocytes can proliferate but also undergo various forms of cell death that typically lead to formation of a lipid-rich 'necrotic' core within the evolving intimal lesion. Extracellular matrix synthesized by smooth muscle cells can form a fibrous cap that overlies the lesion's core. Thus, during progression of atheroma, cells not only procreate but perish. Inflammatory mediators participate in both processes. The ultimate clinical complication of atherosclerotic plaques involves disruption that provokes thrombosis, either by fracture of the plaque's fibrous cap or superficial erosion. The consequent clots can cause acute ischaemic syndromes if they embarrass perfusion. Incorporation of the thrombi can promote plaque healing and progressive intimal thickening that can aggravate stenosis and further limit downstream blood flow. Inflammatory mediators regulate many aspects of both plaque disruption and healing process. Thus, inflammatory processes contribute to all phases of the life cycle of atherosclerotic plaques, and represent ripe targets for mitigating the disease.
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Affiliation(s)
- Peter Libby
- Division of Cardiovascular Medicine, Department of Medicine, Harvard Medical School, Brigham and Women’s Hospital, 77 Avenue Louis Pasteur, Boston, MA, USA
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45
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Fredman G, MacNamara KC. Atherosclerosis is a major human killer and non-resolving inflammation is a prime suspect. Cardiovasc Res 2021; 117:2563-2574. [PMID: 34609505 PMCID: PMC8783387 DOI: 10.1093/cvr/cvab309] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 08/24/2021] [Indexed: 12/12/2022] Open
Abstract
The resolution of inflammation (or inflammation-resolution) is an active and highly coordinated process. Inflammation-resolution is governed by several endogenous factors, and specialized pro-resolving mediators (SPMs) are one such class of molecules that have robust biological function. Non-resolving inflammation is associated with a variety of human diseases, including atherosclerosis. Moreover, non-resolving inflammation is a hallmark of ageing, an inevitable process associated with increased risk for cardiovascular disease. Uncovering mechanisms as to why inflammation-resolution is impaired in ageing and in disease and identifying useful biomarkers for non-resolving inflammation are unmet needs. Recent work has pointed to a critical role for balanced ratios of SPMs and pro-inflammatory lipids (i.e. leucotrienes and/or specific prostaglandins) as a key determinant of timely inflammation resolution. This review will focus on the accumulating findings that support the role of non-resolving inflammation and imbalanced pro-resolving and pro-inflammatory mediators in atherosclerosis. We aim to provide insight as to why these imbalances occur, the importance of ageing in disease progression, and how haematopoietic function impacts inflammation-resolution and atherosclerosis. We highlight open questions regarding therapeutic strategies and mechanisms of disease to provide a framework for future studies that aim to tackle this important human disease.
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Affiliation(s)
- Gabrielle Fredman
- The Department of Molecular and Cellular Physiology, Albany Medical College, Albany, NY 12208, USA
| | - Katherine C MacNamara
- The Department of Immunology and Infectious Disease, Albany Medical College, Albany, NY 12208, USA
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Selivanova EK, Shvetsova AA, Borzykh AA, Gaynullina DK, Kiryukhina OO, Lukoshkova EV, Potekhina VM, Kuzmin VS, Tarasova OS. Intrauterine L-NAME Exposure Weakens the Development of Sympathetic Innervation and Induces the Remodeling of Arterial Vessels in Two-Week-Old Rats. Int J Mol Sci 2021; 22:ijms222212327. [PMID: 34830206 PMCID: PMC8618620 DOI: 10.3390/ijms222212327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/10/2021] [Accepted: 11/13/2021] [Indexed: 11/19/2022] Open
Abstract
Nitric oxide (NO) has been shown to stimulate differentiation and increase the survival of ganglionic sympathetic neurons. The proportion of neuronal NOS-immunoreactive sympathetic preganglionic neurons is particularly high in newborn rats and decreases with maturation. However, the role of NO in the development of vascular sympathetic innervation has never been studied before. We tested the hypothesis that intrauterine NO deficiency weakened the development of vascular sympathetic innervation and thereby changed the contractility of peripheral arteries and blood pressure level in two-week-old offspring. Pregnant rats consumed NOS inhibitor L-NAME (250 mg/L in drinking water) from gestational day 10 until delivery. Pups in the L-NAME group had a reduced body weight and blood level of NO metabolites at 1–2 postnatal days. Saphenous arteries from two-week-old L-NAME offspring demonstrated a lower density of sympathetic innervation, a smaller inner diameter, reduced maximal active force and decreased α-actin/β-actin mRNA expression ratio compared to the controls. Importantly, pups in the L-NAME group exhibited decreased blood pressure levels before, but not after, ganglionic blockade with chlorisondamine. In conclusion, intrauterine L-NAME exposure is followed by the impaired development of the sympathetic nervous system in early postnatal life, which is accompanied by the structural and functional remodeling of arterial blood vessels.
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Affiliation(s)
- Ekaterina K. Selivanova
- Department of Human and Animal Physiology, Faculty of Biology, M.V. Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.S.); (A.A.S.); (D.K.G.); (V.M.P.); (V.S.K.)
| | - Anastasia A. Shvetsova
- Department of Human and Animal Physiology, Faculty of Biology, M.V. Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.S.); (A.A.S.); (D.K.G.); (V.M.P.); (V.S.K.)
| | - Anna A. Borzykh
- Laboratory of Exercise Physiology, State Research Center of the Russian Federation, Institute for Biomedical Problems, Russian Academy of Sciences, 123007 Moscow, Russia;
| | - Dina K. Gaynullina
- Department of Human and Animal Physiology, Faculty of Biology, M.V. Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.S.); (A.A.S.); (D.K.G.); (V.M.P.); (V.S.K.)
| | - Oxana O. Kiryukhina
- Laboratory for the Study of Information Processes at the Cellular and Molecular Levels, Institute for Information Transmission Problems, Russian Academy of Sciences, 119333 Moscow, Russia;
| | - Elena V. Lukoshkova
- Laboratory of Experimental Pathology of the Heart, National Medical Research Center of Cardiology, Ministry of Health of the Russian Federation, 121552 Moscow, Russia;
| | - Viktoria M. Potekhina
- Department of Human and Animal Physiology, Faculty of Biology, M.V. Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.S.); (A.A.S.); (D.K.G.); (V.M.P.); (V.S.K.)
| | - Vladislav S. Kuzmin
- Department of Human and Animal Physiology, Faculty of Biology, M.V. Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.S.); (A.A.S.); (D.K.G.); (V.M.P.); (V.S.K.)
| | - Olga S. Tarasova
- Department of Human and Animal Physiology, Faculty of Biology, M.V. Lomonosov Moscow State University, 119234 Moscow, Russia; (E.K.S.); (A.A.S.); (D.K.G.); (V.M.P.); (V.S.K.)
- Laboratory of Exercise Physiology, State Research Center of the Russian Federation, Institute for Biomedical Problems, Russian Academy of Sciences, 123007 Moscow, Russia;
- Correspondence:
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Ma T, Zhang Z, Chen Y, Su H, Deng X, Liu X, Fan Y. Delivery of Nitric Oxide in the Cardiovascular System: Implications for Clinical Diagnosis and Therapy. Int J Mol Sci 2021; 22:ijms222212166. [PMID: 34830052 PMCID: PMC8625126 DOI: 10.3390/ijms222212166] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/03/2021] [Accepted: 11/08/2021] [Indexed: 12/12/2022] Open
Abstract
Nitric oxide (NO) is a key molecule in cardiovascular homeostasis and its abnormal delivery is highly associated with the occurrence and development of cardiovascular disease (CVD). The assessment and manipulation of NO delivery is crucial to the diagnosis and therapy of CVD, such as endothelial dysfunction, atherosclerotic progression, pulmonary hypertension, and cardiovascular manifestations of coronavirus (COVID-19). However, due to the low concentration and fast reaction characteristics of NO in the cardiovascular system, clinical applications centered on NO delivery are challenging. In this tutorial review, we first summarized the methods to estimate the in vivo NO delivery process, based on computational modeling and flow-mediated dilation, to assess endothelial function and vulnerability of atherosclerotic plaque. Then, emerging bioimaging technologies that have the potential to experimentally measure arterial NO concentration were discussed, including Raman spectroscopy and electrochemical sensors. In addition to diagnostic methods, therapies aimed at controlling NO delivery to regulate CVD were reviewed, including the NO release platform to treat endothelial dysfunction and atherosclerosis and inhaled NO therapy to treat pulmonary hypertension and COVID-19. Two potential methods to improve the effectiveness of existing NO therapy were also discussed, including the combination of NO release platform and computational modeling, and stem cell therapy, which currently remains at the laboratory stage but has clinical potential for the treatment of CVD.
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Abstract
Vascular smooth muscle cells (VSMCs) are key participants in both early and late-stage atherosclerosis. VSMCs invade the early atherosclerotic lesion from the media, expanding lesions, but also forming a protective fibrous cap rich in extracellular matrix to cover the 'necrotic' core. Hence, VSMCs have been viewed as plaque-stabilizing, and decreased VSMC plaque content-often measured by expression of contractile markers-associated with increased plaque vulnerability. However, the emergence of lineage-tracing and transcriptomic studies has demonstrated that VSMCs comprise a much larger proportion of atherosclerotic plaques than originally thought, demonstrate multiple different phenotypes in vivo, and have roles that might be detrimental. VSMCs down-regulate contractile markers during atherosclerosis whilst adopting alternative phenotypes, including macrophage-like, foam cell-like, osteochondrogenic-like, myofibroblast-like, and mesenchymal stem cell-like. VSMC phenotypic switching can be studied in tissue culture, but also now in the media, fibrous cap and deep-core region, and markedly affects plaque formation and markers of stability. In this review, we describe the different VSMC plaque phenotypes and their presumed cellular and paracrine functions, the regulatory mechanisms that control VSMC plasticity, and their impact on atherogenesis and plaque stability.
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Affiliation(s)
- Mandy O J Grootaert
- Division of Cardiovascular Medicine, University of Cambridge, Box 110, ACCI, Addenbrookes Hospital, CB2 0QQ Cambridge, UK
| | - Martin R Bennett
- Division of Cardiovascular Medicine, University of Cambridge, Box 110, ACCI, Addenbrookes Hospital, CB2 0QQ Cambridge, UK
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Lanzer P, Hannan FM, Lanzer JD, Janzen J, Raggi P, Furniss D, Schuchardt M, Thakker R, Fok PW, Saez-Rodriguez J, Millan A, Sato Y, Ferraresi R, Virmani R, St Hilaire C. Medial Arterial Calcification: JACC State-of-the-Art Review. J Am Coll Cardiol 2021; 78:1145-1165. [PMID: 34503684 PMCID: PMC8439554 DOI: 10.1016/j.jacc.2021.06.049] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 06/23/2021] [Accepted: 06/28/2021] [Indexed: 01/07/2023]
Abstract
Medial arterial calcification (MAC) is a chronic systemic vascular disorder distinct from atherosclerosis that is frequently but not always associated with diabetes mellitus, chronic kidney disease, and aging. MAC is also a part of more complex phenotypes in numerous less common diseases. The hallmarks of MAC include disseminated and progressive precipitation of calcium phosphate within the medial layer, a prolonged and clinically silent course, and compromise of hemodynamics associated with chronic limb-threatening ischemia. MAC increases the risk of complications during vascular interventions and mitigates their outcomes. With the exception of rare monogenetic defects affecting adenosine triphosphate metabolism, MAC pathogenesis remains unknown, and causal therapy is not available. Implementation of genetics and omics-based approaches in research recognizing the critical importance of calcium phosphate thermodynamics holds promise to unravel MAC molecular pathogenesis and to provide guidance for therapy. The current state of knowledge concerning MAC is reviewed, and future perspectives are outlined.
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Affiliation(s)
- Peter Lanzer
- Middle German Heart Center-Bitterfeld, Bitterfeld-Wolfen Health Care Center, Bitterfeld, Germany.
| | - Fadil M Hannan
- Nuffield Department of Women's & Reproductive Health, University of Oxford, Oxford, United Kingdom
| | - Jan D Lanzer
- Institute for Computational Biomedicine, Bioquant, Faculty of Medicine, Heidelberg University, Heidelberg, Germany; Department of Internal Medicine II, Heidelberg University Hospital, Heidelberg, Germany; Faculty of Biosciences, Heidelberg University, Heidelberg, Heidelberg, Germany
| | | | - Paolo Raggi
- Division of Cardiology, Department of Medicine, University of Alberta, Edmonton, Alberta, Canada
| | - Dominic Furniss
- Botnar Research Centre, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Mirjam Schuchardt
- Department of Nephrology and Medical Intensive Care, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität and Humboldt Universität Berlin, Campus Benjamin Franklin, Berlin, Germany
| | - Rajesh Thakker
- Academic Endocrine Unit, Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Pak-Wing Fok
- Department of Mathematical Sciences, University of Delaware, Newark, Delaware, USA
| | - Julio Saez-Rodriguez
- Institute for Computational Biomedicine, Bioquant, Faculty of Medicine, Heidelberg University, Heidelberg, Germany
| | - Angel Millan
- Institute of Materials Science, University of Zaragoza, Zaragoza, Spain
| | - Yu Sato
- CVPath Institute, Gaithersburg, Maryland, USA
| | | | | | - Cynthia St Hilaire
- Division of Cardiology, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA; Pittsburgh Heart, Lung, and Blood Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA; Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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50
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Yang L, Li H, Jin Y, He Y, Mei L, Jin C. Differential expression of motilin receptors on the endothelium of dog gastrointestinal arteries and motilin-induced motilin receptor dependent relaxation of corresponding arteries. Peptides 2021; 143:170574. [PMID: 34082070 DOI: 10.1016/j.peptides.2021.170574] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 05/09/2021] [Accepted: 05/14/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Motilin's role in the regulation of vascular tone and hemodynamic besides gastrointestinal motility is concerned. This study aimed to investigate the expression of motilin receptors in gastrointestinal arteries and motilin-induced relaxation. MATERIAL AND METHODS The expression of motilin receptors in the left gastric artery (LGA), superior mesenteric artery (SMA), and inferior mesenteric artery (IMA) of adult dogs (1.5-5 years old) were analyzed by immunochemistry, RT-PCR, and western blotting. Motilin's effects on the gastrointestinal arteries were evaluated in a multi-wire myograph system. RESULTS Immunohistochemical staining showed that motilin receptor was expressed on the membranes of endothelial cells with the fluorescence intensity LGA > SMA > IMA (P < 0.01). The motilin receptor's mRNA and protein expression levels shared the same distribution patterns as it in fluorescence intensity (P < 0.01). In isolated LGA preparations precontracted with U46619 (a thromboxaneA2 analog), motilin induced a concentration-dependent relaxation, and the EC50 was 8.8 × 10-8 ± 0.9 × 10-8 M. Motilin-induced relaxation on the three arteries also shared the same pattern as it in fluorescence intensity (P < 0.01) and inhibited by denuded-endothelium and GM-109 (a motilin receptor antagonist) but not by atropine (a muscarinic receptor antagonist). CONCLUSIONS Motilin receptors are expressed differentially on the membranes of endothelial cells in dog gastrointestinal arteries with a significantly high expression in the LGA. Motilin-induced relaxation is endothelium- and motilin receptor-dependent. The motilin receptor expressed on the endothelial cell membrane of the LGA is the molecular basis for motilin regulating gastric blood flow under physiological conditions in dogs.
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Affiliation(s)
- Lanlan Yang
- Department of Ultrasound, China-Japan Union Hospital of Jilin University, Changchun, China; Department of Hepatopancreatobiliary Medicine, The Second Hospital of Jilin University, Changchun, China
| | - Hongyu Li
- Department of Ultrasound, China-Japan Union Hospital of Jilin University, Changchun, China; Department of Ultrasound, The First Hospital of Jilin University, Changchun, China
| | - Ying Jin
- Department of Breast Surgery, The First Hospital of Jilin University, Changchun, China
| | - Yu He
- Department of Ultrasound, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Li Mei
- Department of Ultrasound, China-Japan Union Hospital of Jilin University, Changchun, China; Department of Ultrasound, The First Hospital of Jilin University, Changchun, China
| | - Chunxiang Jin
- Department of Ultrasound, China-Japan Union Hospital of Jilin University, Changchun, China.
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