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Gonçalves TAF, Lima VS, de Almeida AJPO, de Arruda AV, Veras ACMF, Lima TT, Soares EMC, Santos ACD, Vasconcelos MECD, de Almeida Feitosa MS, Veras RC, de Medeiros IA. Carvacrol Improves Vascular Function in Hypertensive Animals by Modulating Endothelial Progenitor Cells. Nutrients 2023; 15:3032. [PMID: 37447358 DOI: 10.3390/nu15133032] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/29/2023] [Accepted: 06/29/2023] [Indexed: 07/15/2023] Open
Abstract
Carvacrol, a phenolic monoterpene, has diverse biological activities, highlighting its antioxidant and antihypertensive capacity. However, there is little evidence demonstrating its influence on vascular regeneration. Therefore, we evaluated the modulation of carvacrol on endothelial repair induced by endothelial progenitor cells (EPC) in hypertension. Twelve-week-old spontaneously hypertensive rats (SHR) were treated with a vehicle, carvacrol (50 or 100 mg/kg/day), or resveratrol (10 mg/kg/day) orally for four weeks. Wistar Kyoto (WKY) rats were used as the normotensive controls. Their systolic blood pressure (SBP) was measured weekly through the tail cuff. The EPCs were isolated from the bone marrow and peripherical circulation and were quantified by flow cytometry. The functionality of the EPC was evaluated after cultivation through the quantification of colony-forming units (CFU), evaluation of eNOS, intracellular detection of reactive oxygen species (ROS), and evaluation of senescence. The superior mesenteric artery was isolated to evaluate the quantification of ROS, CD34, and CD31. Treatment with carvacrol induced EPC migration, increased CFU formation and eNOS expression and activity, and reduced ROS and senescence. In addition, carvacrol reduced vascular ROS and increased CD31 and CD34 expression. This study showed that treatment with carvacrol improved the functionality of EPC, contributing to the reduction of endothelial dysfunction.
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Affiliation(s)
| | - Viviane Silva Lima
- Department of Pharmaceutical Sciences, Federal University of Paraiba, João Pessoa 58059-900, PB, Brazil
| | | | - Alinne Villar de Arruda
- Department of Pharmaceutical Sciences, Federal University of Paraiba, João Pessoa 58059-900, PB, Brazil
| | | | - Thaís Trajano Lima
- Department of Pharmaceutical Sciences, Federal University of Paraiba, João Pessoa 58059-900, PB, Brazil
| | | | | | | | | | - Robson Cavalcante Veras
- Department of Pharmaceutical Sciences, Federal University of Paraiba, João Pessoa 58059-900, PB, Brazil
| | - Isac Almeida de Medeiros
- Department of Pharmaceutical Sciences, Federal University of Paraiba, João Pessoa 58059-900, PB, Brazil
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Yu J, Du Q, Hu M, Zhang J, Chen J. Endothelial Progenitor Cells in Moyamoya Disease: Current Situation and Controversial Issues. Cell Transplant 2021; 29:963689720913259. [PMID: 32193953 PMCID: PMC7444216 DOI: 10.1177/0963689720913259] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Due to the lack of animal models and difficulty in obtaining specimens, the study of pathogenesis of moyamoya disease (MMD) almost stagnated. In recent years, endothelial progenitor cells (EPCs) have attracted more and more attention in vascular diseases due to their important role in neovascularization. With the aid of paradigms and methods in cardiovascular diseases research, people began to explore the role of EPCs in the processing of MMD. In the past decade, studies have shown that abnormalities in cell amounts and functions of EPCs were closely related to the vascular pathological changes in MMD. However, the lack of consistent criteria, such as isolation, cultivation, and identification standards, is also blocking the way forward. The goal of this review is to provide an overview of the current situation and controversial issues relevant to studies about EPCs in the pathogenesis and etiology of MMD.
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Affiliation(s)
- Jin Yu
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Qian Du
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Miao Hu
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jianjian Zhang
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jincao Chen
- Department of Neurosurgery, Zhongnan Hospital of Wuhan University, Wuhan, China
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Sesn2 attenuates the damage of endothelial progenitor cells induced by angiotensin II through regulating the Keap1/Nrf2 signal pathway. Aging (Albany NY) 2020; 12:25505-25527. [PMID: 33231566 PMCID: PMC7803511 DOI: 10.18632/aging.104156] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 08/19/2020] [Indexed: 01/19/2023]
Abstract
Endothelial progenitor cell (EPC) dysfunction is an important physiopathological mechanism in the dynamics of the formation of atherosclerosis. It has been reported that angiotensin II (Ang-II) damages the function of EPCs in atherosclerotic plaque through induction of oxidative stress. Sestrin 2 (Sesn2) serves as an antioxidant role in oxidative stress, however, the exact mechanisms underlying the dynamics of how Sesn2 may factor into EPCs after Ang-II treatments needs to be illustrated. We isolated EPCs from human umbilical cord blood samples and treated with Ang-II. Western blotting, qRT-PCR, transwell assays, immunofluorescence and so on were used to investigate the mechanisms underlying the roles of Sesn2 in EPCs treated with Ang-II. Ang-II was found to promote the apoptosis of EPCs as well as inhibited the mRNA and protein expression of Sesn2. Upregulation of Sesn2 attenuated the negative effect of Ang-II. Sesn2 increased the protein expression of Nrf2 by enhancing P62-dependent autophagy. Silencing of Nrf2 enhanced the degree of apoptosis of EPCs as well as resulted in the impairment of EPC functions through inducing the promotion of (reactive oxygen species) ROS production. Our study results indicated that Sesn2 facilitated the viability of EPCs After treatment with Ang-II, as well as provided a potential therapeutic target to alleviate the progression of atherosclerosis.
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de Cavanagh EMV, González SA, Inserra F, Forcada P, Castellaro C, Chiabaut-Svane J, Obregón S, Casarini MJ, Kempny P, Kotliar C. Blood pressure control is not enough to normalize endothelial repair by progenitor cells. Am J Physiol Heart Circ Physiol 2020; 319:H744-H752. [PMID: 32795193 DOI: 10.1152/ajpheart.00333.2020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Patients presenting with classical cardiovascular risk factors within acceptable or average value ranges often develop cardiovascular disease, suggesting that other risk factors need to be considered. Considering that endothelial progenitor cells (EPCs) contribute to endothelial repair, we investigated whether EPCs might be such a factor. We compared the ability of peripheral blood EPCs to attach to extracellular matrix proteins and to grow and function in culture, between controlled hypertensive patients exhibiting a Framingham score (FS) of <10% while showing severe vascular impairment (intima-media thickness/diameter, carotid-femoral pulse wave velocity, brachial artery flow-mediated dilation, carotid and femoral atherosclerotic plaque presence; vulnerable group, N = 30) and those with an FS of ≥10% and scarce vascular changes (protected group, N = 30). When compared with vulnerable patients, protected patients had significantly higher early and late-EPC and early and late-tunneling nanotube (TNT) numbers. Significant negative associations were found between vascular damage severity and early EPC, late-EPC, or late-TNT numbers, whereas EPC or TNT numbers and patient characteristics or cardiovascular risk factors were not associated. Except for protected patients, in all controlled hypertensive patients, early and late-EPC and early and late-TNT counts were significantly lower than those in the normotensive subjects studied (N = 30). We found that the disparity in vascular status between patients presenting with both an FS of ≥10% and scarce vascular changes and those presenting with both an FS of <10% and severe vascular impairment is related to differences in peripheral blood EPC and TNT numbers. These observations support the role of EPCs as contributors to vascular injury repair and suggest that EPC numbers may be a potential cardiovascular risk factor to be included in the FS calculation.NEW & NOTEWORTHY As individuals who present with risk factors within acceptable or average value ranges often develop cardiovascular (CV) disease, it has been suggested that other CV risk factors need to be considered in addition to those that are commonly combined in the Framingham score (FS) to estimate the risk of general CV disease. We investigated whether peripheral endothelial progenitor cells (EPCs) and tunneling nanotubes (TNTs) deserve to be considered. Here we report that EPCs and TNTs are significantly lower in controlled hypertensive patients versus normotensive subjects and that the disparity in vascular status between patients presenting with an FS of ≥10% with scarce vascular changes and those presenting with an FS of <10% with severe vascular impairment is related to differences in EPC and TNT numbers. These data point to EPC and TNT numbers as potential CV risk factors to be included in the FS calculation.
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Affiliation(s)
| | - Sergio A González
- Cardiometabolic Unit, Cardiology Department, Austral University Hospital, Pilar, Argentina
| | | | | | - Carlos Castellaro
- Cardiometabolic Unit, Cardiology Department, Austral University Hospital, Pilar, Argentina.,Centro de Educación Médica e Investigaciones Clínicas "Norberto Quirno," Buenos Aires, Argentina
| | - Jorge Chiabaut-Svane
- Cardiometabolic Unit, Cardiology Department, Austral University Hospital, Pilar, Argentina
| | - Sebastián Obregón
- Arterial Hypertension Center, Department of Cardiology, Austral University Hospital, Buenos Aires, Argentina
| | | | - Pablo Kempny
- Cardiometabolic Unit, Cardiology Department, Austral University Hospital, Pilar, Argentina
| | - Carol Kotliar
- Arterial Hypertension Center, Department of Cardiology, Austral University Hospital, Buenos Aires, Argentina
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Insights into Endothelial Progenitor Cells: Origin, Classification, Potentials, and Prospects. Stem Cells Int 2018; 2018:9847015. [PMID: 30581475 PMCID: PMC6276490 DOI: 10.1155/2018/9847015] [Citation(s) in RCA: 121] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Revised: 08/27/2018] [Accepted: 09/18/2018] [Indexed: 02/07/2023] Open
Abstract
With the discovery of endothelial progenitor cells (EPCs) in the late 1990s, a paradigm shift in the concept of neoangiogenesis occurred. The identification of circulating EPCs in peripheral blood marked the beginning of a new era with enormous potential in the rapidly transforming regenerative field. Overwhelmed with the revelation, researchers across the globe focused on isolating, defining, and interpreting the role of EPCs in various physiological and pathological conditions. Consequently, controversies emerged regarding the isolation techniques and classification of EPCs. Nevertheless, the potential of using EPCs in tissue engineering as an angiogenic source has been extensively explored. Concomitantly, the impact of EPCs on various diseases, such as diabetes, cancer, and cardiovascular diseases, has been studied. Within the limitations of the current knowledge, this review attempts to delineate the concept of EPCs in a sequential manner from the speculative history to a definitive presence (origin, sources of EPCs, isolation, and identification) and significance of these EPCs. Additionally, this review is aimed at serving as a guide for investigators, identifying potential research gaps, and summarizing our current and future prospects regarding EPCs.
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Angiotensin II Attenuates the Bioactivities of Human Endothelial Progenitor Cells via Downregulation of β2-Adrenergic Receptor. Stem Cells Int 2018; 2018:7453161. [PMID: 30510587 PMCID: PMC6231359 DOI: 10.1155/2018/7453161] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 07/30/2018] [Accepted: 08/13/2018] [Indexed: 01/08/2023] Open
Abstract
Cross talks between the renin-angiotensin system (RAS), sympathetic nervous system, and vascular homeostasis are tightly coordinated in hypertension. Angiotensin II (Ang II), a key factor in RAS, when abnormally activated, affects the number and bioactivity of circulating human endothelial progenitor cells (hEPCs) in hypertensive patients. In this study, we investigated how the augmentation of Ang II regulates adrenergic receptor-mediated signaling and angiogenic bioactivities of hEPCs. Interestingly, the short-term treatment of hEPCs with Ang II drastically attenuated the expression of beta-2 adrenergic receptor (ADRB2), but did not alter the expression of beta-1 adrenergic receptor (ADRB1) and Ang II type 1 receptor (AT1R). EPC functional assay clearly demonstrated that the treatment with ADRB2 agonists significantly increased EPC bioactivities including cell proliferation, migration, and tube formation abilities. However, EPC bioactivities were decreased dramatically when treated with Ang II. Importantly, the attenuation of EPC bioactivities by Ang II was restored by treatment with an AT1R antagonist (telmisartan; TERT). We found that AT1R binds to ADRB2 in physiological conditions, but this binding is significantly decreased in the presence of Ang II. Furthermore, TERT, an Ang II-AT1R interaction blocker, restored the interaction between AT1R and ADRB2, suggesting that Ang II might induce the dysfunction of EPCs via downregulation of ADRB2, and an AT1R blocker could prevent Ang II-mediated ADRB2 depletion in EPCs. Taken together, our report provides novel insights into potential therapeutic approaches for hypertension-related cardiovascular diseases.
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Mittal R, Karhu E, Wang JS, Delgado S, Zukerman R, Mittal J, Jhaveri VM. Cell communication by tunneling nanotubes: Implications in disease and therapeutic applications. J Cell Physiol 2018; 234:1130-1146. [PMID: 30206931 DOI: 10.1002/jcp.27072] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 06/28/2018] [Indexed: 12/18/2022]
Abstract
Intercellular communication is essential for the development and maintenance of multicellular organisms. Tunneling nanotubes (TNTs) are a recently recognized means of long and short distance communication between a wide variety of cell types. TNTs are transient filamentous membrane protrusions that connect cytoplasm of neighboring or distant cells. Cytoskeleton fiber-mediated transport of various cargoes occurs through these tubules. These cargoes range from small ions to whole organelles. TNTs have been shown to contribute not only to embryonic development and maintenance of homeostasis, but also to the spread of infectious particles and resistance to therapies. These functions in the development and progression of cancer and infectious disease have sparked increasing scrutiny of TNTs, as their contribution to disease progression lends them a promising therapeutic target. Herein, we summarize the current knowledge of TNT structure and formation as well as the role of TNTs in pathology, focusing on viral, prion, and malignant disease. We then discuss the therapeutic possibilities of TNTs in light of their varied functions. Despite recent progress in the growing field of TNT research, more studies are needed to precisely understand the role of TNTs in pathological conditions and to develop novel therapeutic strategies.
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Affiliation(s)
- Rahul Mittal
- Department of Otolaryngology, University of Miami-Miller School of Medicine, Miami, Florida
| | - Elisa Karhu
- Department of Otolaryngology, University of Miami-Miller School of Medicine, Miami, Florida
| | - Jay-Shing Wang
- Department of Otolaryngology, University of Miami-Miller School of Medicine, Miami, Florida
| | - Stefanie Delgado
- Department of Otolaryngology, University of Miami-Miller School of Medicine, Miami, Florida
| | - Ryan Zukerman
- Department of Otolaryngology, University of Miami-Miller School of Medicine, Miami, Florida
| | - Jeenu Mittal
- Department of Otolaryngology, University of Miami-Miller School of Medicine, Miami, Florida
| | - Vasanti M Jhaveri
- Department of Otolaryngology, University of Miami-Miller School of Medicine, Miami, Florida
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Dal Lin C, Marinova M, Rubino G, Gola E, Brocca A, Pantano G, Brugnolo L, Sarais C, Cucchini U, Volpe B, Cavalli C, Bellio M, Fiorello E, Scali S, Plebani M, Iliceto S, Tona F. Thoughts modulate the expression of inflammatory genes and may improve the coronary blood flow in patients after a myocardial infarction. J Tradit Complement Med 2018; 8:150-163. [PMID: 29322004 PMCID: PMC5755999 DOI: 10.1016/j.jtcme.2017.04.011] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 04/27/2017] [Accepted: 04/28/2017] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Mental stress is one of the main risk factors for cardiovascular disease. Meditation and music listening are two techniques that are able to counteract it through the activation of specific brain areas, eliciting the so-called Relaxing Response (RR). Epidemiological evidence reveals that the RR practice has a beneficial prognostic impact on patients after myocardial infarction. We aimed to study the possible molecular mechanisms of RR underlying these findings. METHODS We enrolled 30 consecutive patients after myocardial infarction and 10 healthy controls. 10 patients were taught to meditate, 10 to appreciate music and 10 did not carry out any intervention and served as controls. After training, and after 60 days of RR practice, we studied the individual variations, before and after the relaxation sessions, of the vital signs, the electrocardiographic and echocardiographic parameters along with coronary flow reserve (CFR) and the carotid's intima media thickness (IMT). Neuro-endocrine-immune (NEI) messengers and the expression of inflammatory genes (p53, Nuclear factor Kappa B (NfKB), and toll like receptor 4 (TLR4)) in circulating peripheral blood mononuclear cells were also all observed. RESULTS The RR results in a reduction of NEI molecules (p < 0.05) and oxidative stress (p < 0.001). The expression of the genes p53, NFkB and TLR4 is reduced after the RR and also at 60 days (p < 0.001). The CFR increases with the relaxation (p < 0.001) and the IMT regressed significantly (p < 0.001) after 6 months of RR practice. CONCLUSIONS The RR helps to advantageously modulate the expression of inflammatory genes through a cascade of NEI messengers improving, over time, microvascular function and the arteriosclerotic process.
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Affiliation(s)
- Carlo Dal Lin
- Department of Cardiac, Thoracic and Vascular Sciences, Padua University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Mariela Marinova
- Department of Laboratory Medicine, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Giorgio Rubino
- Department of Cardiac, Thoracic and Vascular Sciences, Padua University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Elisabetta Gola
- Department of Medicine, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Alessandra Brocca
- Department of Medicine, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Giorgia Pantano
- Department of Laboratory Medicine, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Laura Brugnolo
- Department of Laboratory Medicine, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Cristiano Sarais
- Department of Cardiac, Thoracic and Vascular Sciences, Padua University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Umberto Cucchini
- Department of Cardiac, Thoracic and Vascular Sciences, Padua University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Biancarosa Volpe
- Clinical Psychology, Department of Cardiac, Thoracic and Vascular Sciences, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Chiara Cavalli
- Clinical Psychology, Department of Cardiac, Thoracic and Vascular Sciences, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Maura Bellio
- Clinical Psychology, Department of Cardiac, Thoracic and Vascular Sciences, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Emilia Fiorello
- Clinical Psychology, Department of Cardiac, Thoracic and Vascular Sciences, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Sofia Scali
- Clinical Psychology, Department of Cardiac, Thoracic and Vascular Sciences, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Mario Plebani
- Department of Laboratory Medicine, University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Sabino Iliceto
- Department of Cardiac, Thoracic and Vascular Sciences, Padua University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
| | - Francesco Tona
- Department of Cardiac, Thoracic and Vascular Sciences, Padua University-Hospital, Via Giustiniani 2, 35100 Padua, Italy
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Nawaz M, Fatima F. Extracellular Vesicles, Tunneling Nanotubes, and Cellular Interplay: Synergies and Missing Links. Front Mol Biosci 2017; 4:50. [PMID: 28770210 PMCID: PMC5513920 DOI: 10.3389/fmolb.2017.00050] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 07/03/2017] [Indexed: 12/15/2022] Open
Abstract
The process of intercellular communication seems to have been a highly conserved evolutionary process. Higher eukaryotes use several means of intercellular communication to address both the changing physiological demands of the body and to fight against diseases. In recent years, there has been an increasing interest in understanding how cell-derived nanovesicles, known as extracellular vesicles (EVs), can function as normal paracrine mediators of intercellular communication, but can also elicit disease progression and may be used for innovative therapies. Over the last decade, a large body of evidence has accumulated to show that cells use cytoplasmic extensions comprising open-ended channels called tunneling nanotubes (TNTs) to connect cells at a long distance and facilitate the exchange of cytoplasmic material. TNTs are a different means of communication to classical gap junctions or cell fusions; since they are characterized by long distance bridging that transfers cytoplasmic organelles and intracellular vesicles between cells and represent the process of heteroplasmy. The role of EVs in cell communication is relatively well-understood, but how TNTs fit into this process is just emerging. The aim of this review is to describe the relationship between TNTs and EVs, and to discuss the synergies between these two crucial processes in the context of normal cellular cross-talk, physiological roles, modulation of immune responses, development of diseases, and their combinatory effects in tissue repair. At the present time this review appears to be the first summary of the implications of the overlapping roles of TNTs and EVs. We believe that a better appreciation of these parallel processes will improve our understanding on how these nanoscale conduits can be utilized as novel tools for targeted therapies.
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Affiliation(s)
- Muhammad Nawaz
- Department of Pathology and Forensic Medicine, Ribeirao Preto Medical School, University of São PauloSão Paulo, Brazil.,Department of Rheumatology and Inflammation Research, Sahlgrenska Academy, University of GothenburgGothenburg, Sweden
| | - Farah Fatima
- Department of Pathology and Forensic Medicine, Ribeirao Preto Medical School, University of São PauloSão Paulo, Brazil
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10
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Endothelial progenitor cells and hypertension: current concepts and future implications. Clin Sci (Lond) 2017; 130:2029-2042. [PMID: 27729472 DOI: 10.1042/cs20160587] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 09/09/2016] [Indexed: 02/07/2023]
Abstract
The discovery of endothelial progenitor cells (EPCs), a group of cells that play important roles in angiogenesis and the maintenance of vascular endothelial integrity, has led to considerable improvements in our understanding of the circulatory system and the regulatory mechanisms of vascular homoeostasis. Despite lingering disputes over where EPCs actually originate and how they facilitate angiogenesis, extensive research in the past decade has brought about significant advancements in this field of research, establishing EPCs as an essential element in the pathogenesis of various diseases. EPC and hypertensive disorders, especially essential hypertension (EH, also known as primary hypertension), represent one of the most appealing branches in this area of research. Chronic hypertension remains a major threat to public health, and the exact pathologic mechanisms of EH have never been fully elucidated. Is there a relationship between EPC and hypertension? If so, what is the nature of such relationship-is it mediated by blood pressure alterations, or other factors that lie in between? How can our current knowledge about EPCs be utilized to advance the prevention and clinical management of hypertension? In this review, we set out to answer these questions by summarizing the current concepts about EPC pathophysiology in the context of hypertension, while attempting to point out directions for future research on this subject.
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11
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Malinovskaya NA, Komleva YK, Salmin VV, Morgun AV, Shuvaev AN, Panina YA, Boitsova EB, Salmina AB. Endothelial Progenitor Cells Physiology and Metabolic Plasticity in Brain Angiogenesis and Blood-Brain Barrier Modeling. Front Physiol 2016; 7:599. [PMID: 27990124 PMCID: PMC5130982 DOI: 10.3389/fphys.2016.00599] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 11/16/2016] [Indexed: 12/31/2022] Open
Abstract
Currently, there is a considerable interest to the assessment of blood-brain barrier (BBB) development as a part of cerebral angiogenesis developmental program. Embryonic and adult angiogenesis in the brain is governed by the coordinated activity of endothelial progenitor cells, brain microvascular endothelial cells, and non-endothelial cells contributing to the establishment of the BBB (pericytes, astrocytes, neurons). Metabolic and functional plasticity of endothelial progenitor cells controls their timely recruitment, precise homing to the brain microvessels, and efficient support of brain angiogenesis. Deciphering endothelial progenitor cells physiology would provide novel engineering approaches to establish adequate microfluidically-supported BBB models and brain microphysiological systems for translational studies.
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Affiliation(s)
| | | | | | | | | | | | | | - Alla B. Salmina
- Research Institute of Molecular Medicine & Pathobiochemistry, Krasnoyarsk State Medical University named after Prof. V.F. Voino-YasenetskyKrasnoyarsk, Russia
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12
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Chen MH, Lu CH, Chen PC, Tsai NW, Huang CC, Chen HL, Yang IH, Yu CC, Lin WC. Association Between Autonomic Impairment and Structural Deficit in Parkinson Disease. Medicine (Baltimore) 2016; 95:e3086. [PMID: 26986144 PMCID: PMC4839925 DOI: 10.1097/md.0000000000003086] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Patients with Parkinson disease (PD) have impaired autonomic function and altered brain structure. This study aimed to evaluate the relationship of gray matter volume (GMV) determined by voxel-based morphometry (VBM) to autonomic impairment in patients with PD. Whole-brain VBM analysis was performed on 3-dimensional T1-weighted images in 23 patients with PD and 15 sex- and age-matched healthy volunteers. The relationship of cardiovascular autonomic function (determined by survey) to baroreflex sensitivity (BRS) (determined from changes in heart rate and blood pressure during the early phase II of the Valsalva maneuver) was tested using least-squares regression analysis. The differences in GMV, autonomic parameters, and clinical data were correlated after adjusting for age and sex. Compared with controls, patients with PD had low BRS, suggesting worse cardiovascular autonomic function, and smaller GMV in several brain locations, including the right amygdala, left hippocampal formation, bilateral insular cortex, bilateral caudate nucleus, bilateral cerebellum, right fusiform, and left middle frontal gyri. The decreased GMVs of the selected brain regions were also associated with increased presence of epithelial progenitor cells (EPCs) in the circulation. In patients with PD, decrease in cardiovascular autonomic function and increase in circulating EPC level are associated with smaller GMV in several areas of the brain. Because of its possible role in the modulation of the circulatory EPC pool and baroreflex control, the left hippocampal formation may be a bio-target for disease-modifying therapy and treatment monitoring in PD.
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Affiliation(s)
- Meng-Hsiang Chen
- From the Departments of Diagnostic Radiology (M-HC, P-CC, H-LC, I-HY, C-CY, W-CL) and Neurology (C-HL, N-WT, C-CH), Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine; Department of Biological Science, National Sun Yat-Sen University (C-HL), Kaohsiung; and Department of Biomedical Imaging and Radiological Sciences, National Yang-Ming University, Taipei (H-LC), Taiwan
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Pezzoli G, Cavanna F, Cassani E, Barichella M, Pinelli G, Iorio L, Pusani C, Canesi M, Natuzzi F, Cazzola R, Cestaro B, Cereda E. Endothelial progenitor cells: Cardiovascular protection in Parkinson's disease? Int J Cardiol 2015; 197:200-2. [PMID: 26142206 DOI: 10.1016/j.ijcard.2015.06.071] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 06/19/2015] [Indexed: 11/28/2022]
Affiliation(s)
- Gianni Pezzoli
- Parkinson Institute, Istituti Clinici di Perfezionamento, Milano, Italy
| | | | - Erica Cassani
- Parkinson Institute, Istituti Clinici di Perfezionamento, Milano, Italy
| | | | - Giovanna Pinelli
- Parkinson Institute, Istituti Clinici di Perfezionamento, Milano, Italy
| | - Laura Iorio
- Parkinson Institute, Istituti Clinici di Perfezionamento, Milano, Italy
| | - Chiara Pusani
- Parkinson Institute, Istituti Clinici di Perfezionamento, Milano, Italy
| | - Margherita Canesi
- Parkinson Institute, Istituti Clinici di Perfezionamento, Milano, Italy
| | - Francesca Natuzzi
- Parkinson Institute, Istituti Clinici di Perfezionamento, Milano, Italy
| | - Roberta Cazzola
- Department of Biomedical and Clinical Sciences, "L. Sacco Hospital", School of Clinical Nutrition, Faculty of Medicine and Surgery, University of Milano, Milano, Italy
| | - Benvenuto Cestaro
- Department of Biomedical and Clinical Sciences, "L. Sacco Hospital", School of Clinical Nutrition, Faculty of Medicine and Surgery, University of Milano, Milano, Italy
| | - Emanuele Cereda
- Nutrition and Dietetics Service, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy.
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