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Devillard CD, Marquette CA. Vascular Tissue Engineering: Challenges and Requirements for an Ideal Large Scale Blood Vessel. Front Bioeng Biotechnol 2021; 9:721843. [PMID: 34671597 PMCID: PMC8522984 DOI: 10.3389/fbioe.2021.721843] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Accepted: 09/20/2021] [Indexed: 01/05/2023] Open
Abstract
Since the emergence of regenerative medicine and tissue engineering more than half a century ago, one obstacle has persisted: the in vitro creation of large-scale vascular tissue (>1 cm3) to meet the clinical needs of viable tissue grafts but also for biological research applications. Considerable advancements in biofabrication have been made since Weinberg and Bell, in 1986, created the first blood vessel from collagen, endothelial cells, smooth muscle cells and fibroblasts. The synergistic combination of advances in fabrication methods, availability of cell source, biomaterials formulation and vascular tissue development, promises new strategies for the creation of autologous blood vessels, recapitulating biological functions, structural functions, but also the mechanical functions of a native blood vessel. In this review, the main technological advancements in bio-fabrication are discussed with a particular highlights on 3D bioprinting technologies. The choice of the main biomaterials and cell sources, the use of dynamic maturation systems such as bioreactors and the associated clinical trials will be detailed. The remaining challenges in this complex engineering field will finally be discussed.
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Affiliation(s)
- Chloé D Devillard
- 3d.FAB, CNRS, INSA, Univ Lyon, CPE-Lyon, UMR5246, ICBMS, Université Lyon 1, Villeurbanne Cedex, France
| | - Christophe A Marquette
- 3d.FAB, CNRS, INSA, Univ Lyon, CPE-Lyon, UMR5246, ICBMS, Université Lyon 1, Villeurbanne Cedex, France
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52
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Lan D, Shang Y, Su H, Liang M, Liu Y, Li H, Feng Q, Cao X, Dong H. Facile Fabrication of Hollow Hydrogel Microfiber via 3D Printing-Assisted Microfluidics and Its Application as a Biomimetic Blood Capillary. ACS Biomater Sci Eng 2021; 7:4971-4981. [PMID: 34503336 DOI: 10.1021/acsbiomaterials.1c00980] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Simulating the structure and function of blood capillaries is very important for an in-depth insight into their role in the human body and treatment of capillary-related diseases. Due to the similar composition and structure, hollow hydrogel microfibers are well-recognized as potential biomimetic blood capillaries. In this paper, we report a novel, facile, and reproducible method to fabricate coaxial microfluidic chips via 3D printing-assisted soft lithography and then hollow hydrogel microfibers using the as-prepared coaxial microfluidic chips. Instead of traditional photoresist-based lithography, 3D printing of gelatin hydrogel under various extrusion pressures is used to construct sacrificial templates of coaxial microfluidic chips. Various solid and hollow hydrogel microfibers with complicated and hierarchical structures can be obtained via multitype coaxial microfluidic chips or a combination of coaxial microfluidic fabrication and post-treatment. The as-formed hollow hydrogel microfibers are evaluated in detail as biomimetic blood capillaries, including physicochemical and cytological properties. Our results prove that the hollow hydrogel microfibers exhibit excellent mass transport capacity, hemocompatibility, semipermeability, and mechanical strength, and their barrier function can be further enhanced in the presence of endothelial cells. Overall, our 3D printing-assisted fabrication strategy provides a new technique to construct microfluidic chips with complicated 3D microchannels, and the resulting hollow hydrogel microfibers are promising candidates for blood capillaries.
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Affiliation(s)
- Dongxu Lan
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China.,National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou 510006, China
| | - Yulian Shang
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China.,National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou 510006, China
| | - Hongxian Su
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China.,National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou 510006, China
| | - Minhua Liang
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China.,National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou 510006, China
| | - Yang Liu
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China.,National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou 510006, China
| | - Haofei Li
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China.,National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou 510006, China
| | - Qi Feng
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China.,National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou 510006, China
| | - Xiaodong Cao
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China.,National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou 510006, China.,Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, P. R. China
| | - Hua Dong
- Department of Biomedical Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510006, China.,National Engineering Research Center for Tissue Restoration and Reconstruction (NERC-TRR), Guangzhou 510006, China.,Guangdong Province Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou 510641, China
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53
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High Na + Salt Diet and Remodeling of Vascular Smooth Muscle and Endothelial Cells. Biomedicines 2021; 9:biomedicines9080883. [PMID: 34440087 PMCID: PMC8389691 DOI: 10.3390/biomedicines9080883] [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] [Received: 05/31/2021] [Revised: 07/19/2021] [Accepted: 07/21/2021] [Indexed: 12/12/2022] Open
Abstract
Our knowledge on essential hypertension is vast, and its treatment is well known. Not all hypertensives are salt-sensitive. The available evidence suggests that even normotensive individuals are at high cardiovascular risk and lower survival rate, as blood pressure eventually rises later in life with a high salt diet. In addition, little is known about high sodium (Na+) salt diet-sensitive hypertension. There is no doubt that direct and indirect Na+ transporters, such as the Na/Ca exchanger and the Na/H exchanger, and the Na/K pump could be implicated in the development of high salt-induced hypertension in humans. These mechanisms could be involved following the destruction of the cell membrane glycocalyx and changes in vascular endothelial and smooth muscle cells membranes’ permeability and osmolarity. Thus, it is vital to determine the membrane and intracellular mechanisms implicated in this type of hypertension and its treatment.
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Barbato MG, Pereira RC, Mollica H, Palange A, Ferreira M, Decuzzi P. A permeable on-chip microvasculature for assessing the transport of macromolecules and polymeric nanoconstructs. J Colloid Interface Sci 2021; 594:409-423. [PMID: 33774397 DOI: 10.1016/j.jcis.2021.03.053] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/23/2021] [Accepted: 03/09/2021] [Indexed: 01/19/2023]
Abstract
HYPOTHESIS The selective permeation of molecules and nanomedicines across the diseased vasculature dictates the success of a therapeutic intervention. Yet, in vitro assays cannot recapitulate relevant differences between the physiological and pathological microvasculature. Here, a double-channel microfluidic device was engineered to comprise vascular and extravascular compartments connected through a micropillar membrane with tunable permeability. EXPERIMENTS The vascular compartment was coated by endothelial cells to achieve permeability values ranging from ~0.1 μm/sec, following a cyclic adenosine monophosphate (cAMP) pre-treatment (25 μg/mL), up to ~2 μm/sec, upon exposure to Mannitol, Lexiscan or in the absence of cells. Fluorescent microscopy was used to monitor the vascular behavior of 250 kDa Dextran molecules, 200 nm polystyrene nanoparticles (PB), and 1,000 × 400 nm discoidal polymeric nanoconstructs (DPN), under different permeability and flow conditions. FINDINGS In the proposed on-chip microvasculature, it was confirmed that permeation enhancers could favor the perivascular accumulation of ~200 nm, in a dose and time dependent fashion, while have no effect on larger particles. Moreover, the microfluidic device was used to interrogate the role of particle deformability in vascular dynamics. In the presence of a continuous endothelium, soft DPN attached to the vasculature more avidly at sub-physiological flows (100 μm/sec) than rigid DPN, whose deposition was larger at higher flow rates (1 mm/sec). The proposed double-channel microfluidic device can be efficiently used to systematically analyze the vascular behavior of drug delivery systems to enhance their tissue specific accumulation.
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Affiliation(s)
- Maria Grazia Barbato
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy; Department of Informatics, Bioengineering, Robotics and System Engineering (DIBRIS), University of Genoa, Via Dodecaneso 25, 16146 Genoa, Italy
| | - Rui C Pereira
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Hilaria Mollica
- I.R.C.C.S. Istituto Giannina Gaslini, Via Gerolamo Gaslini 3, 16147 Genoa, Italy
| | - AnnaLisa Palange
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Miguel Ferreira
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Paolo Decuzzi
- Laboratory of Nanotechnology for Precision Medicine, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy.
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Alsaleh NB. Adverse cardiovascular responses of engineered nanomaterials: Current understanding of molecular mechanisms and future challenges. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2021; 37:102421. [PMID: 34166839 DOI: 10.1016/j.nano.2021.102421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 04/14/2021] [Accepted: 05/09/2021] [Indexed: 11/30/2022]
Abstract
Nanotechnology is spanning multiple fields of study from materials science to computer engineering and drug discovery. Since the early 21st century, nanotechnology and nano-enabled research have received great attention and governmental funding accompanied with interest to ensure human and environmental safety of engineered nanomaterials (ENMs). Optimal functioning of the cardiovascular (CV) system is of utmost importance for the overall health of the body. Following exposure, ENMs essentially end up in the circulation (at least partially) and hence it is key to assess any associated adverse CV consequences. Accumulating research suggests that exposure to ENMs (different compositions and physicochemical properties) has the capacity to directly and indirectly interact with CV components resulting in adverse events and worsening of CV complications. However, the underlying molecular mechanisms driving these events remain to be elucidated. In this article, we review state-of-art literature on ENM-associated adverse CV responses and discuss the potential underlying molecular mechanisms.
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Affiliation(s)
- Nasser B Alsaleh
- Department of Pharmacology and Toxicology, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia; Nanobiotechnology Unit, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia.
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Yue MS, Martin SE, Martin NR, Taylor MR, Plavicki JS. 2,3,7,8-Tetrachlorodibenzo-p-dioxin exposure disrupts development of the visceral and ocular vasculature. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 234:105786. [PMID: 33735685 PMCID: PMC8457527 DOI: 10.1016/j.aquatox.2021.105786] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 02/15/2021] [Accepted: 02/19/2021] [Indexed: 05/09/2023]
Abstract
The aryl hydrocarbon receptor (AHR) has endogenous functions in mammalian vascular development and is necessary for mediating the toxic effects of a number of environmental contaminants. Studies in mice have demonstrated that AHR is necessary for the formation of the renal, retinal, and hepatic vasculature. In fish, exposure to the prototypic AHR agonist 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) induces expression of the AHR biomarker cyp1a throughout the developing vasculature and produces vascular malformations in the head and heart. However, it is not known whether the vascular structures that are sensitive to loss of AHR function are also disrupted by aberrant AHR activation. Here, we report that TCDD-exposure in zebrafish disrupts development of 1) the subintestinal venous plexus (SIVP), which vascularizes the developing liver, kidney, gut, and pancreas, and 2) the superficial annular vessel (SAV), an essential component of the retinal vasculature. Furthermore, we determined that TCDD exposure increased the expression of bmp4, a key molecular mediator of SIVP morphogenesis. We hypothesize that the observed SIVP phenotypes contribute to one of the hallmarks of TCDD exposure in fish - the failure of the yolk sac to absorb. Together, our data describe novel TCDD-induced vascular phenotypes and provide molecular insight into critical factors producing the observed vascular malformations.
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Affiliation(s)
- Monica S Yue
- Molecular and Environmental Toxicology Center, University of Wisconsin at Madison, Madison, WI, USA; Division of Pharmaceutical Sciences, University of Wisconsin at Madison, Madison, WI, USA
| | - Shannon E Martin
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, USA
| | - Nathan R Martin
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, USA
| | - Michael R Taylor
- Division of Pharmaceutical Sciences, University of Wisconsin at Madison, Madison, WI, USA
| | - Jessica S Plavicki
- Department of Pathology and Laboratory Medicine, Brown University, Providence, RI, USA.
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57
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Inbody SC, Sinquefield BE, Lewis JP, Horton RE. Biomimetic microsystems for cardiovascular studies. Am J Physiol Cell Physiol 2021; 320:C850-C872. [PMID: 33760660 DOI: 10.1152/ajpcell.00026.2020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Traditional tissue culture platforms have been around for several decades and have enabled key findings in the cardiovascular field. However, these platforms failed to recreate the mechanical and dynamic features found within the body. Organs-on-chips (OOCs) are cellularized microfluidic-based devices that can mimic the basic structure, function, and responses of organs. These systems have been successfully utilized in disease, development, and drug studies. OOCs are designed to recapitulate the mechanical, electrical, chemical, and structural features of the in vivo microenvironment. Here, we review cardiovascular-themed OOC studies, design considerations, and techniques used to generate these cellularized devices. Furthermore, we will highlight the advantages of OOC models over traditional cell culture vessels, discuss implementation challenges, and provide perspectives on the state of the field.
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Affiliation(s)
- Shelby C Inbody
- Cardiovascular Tissue Engineering Laboratory, Biomedical Engineering Department, Cullen College of Engineering, University of Houston, Houston, Texas
| | - Bridgett E Sinquefield
- Cardiovascular Tissue Engineering Laboratory, Biomedical Engineering Department, Cullen College of Engineering, University of Houston, Houston, Texas
| | - Joshua P Lewis
- Cardiovascular Tissue Engineering Laboratory, Biomedical Engineering Department, Cullen College of Engineering, University of Houston, Houston, Texas
| | - Renita E Horton
- Cardiovascular Tissue Engineering Laboratory, Biomedical Engineering Department, Cullen College of Engineering, University of Houston, Houston, Texas
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Oxidative Stress and Vascular Damage in the Context of Obesity: The Hidden Guest. Antioxidants (Basel) 2021; 10:antiox10030406. [PMID: 33800427 PMCID: PMC7999611 DOI: 10.3390/antiox10030406] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 02/26/2021] [Accepted: 03/01/2021] [Indexed: 02/07/2023] Open
Abstract
The vascular system plays a central role in the transport of cells, oxygen and nutrients between different regions of the body, depending on the needs, as well as of metabolic waste products for their elimination. While the structure of different components of the vascular system varies, these structures, especially those of main arteries and arterioles, can be affected by the presence of different cardiovascular risk factors, including obesity. This vascular remodeling is mainly characterized by a thickening of the media layer as a consequence of changes in smooth muscle cells or excessive fibrosis accumulation. These vascular changes associated with obesity can trigger functional alterations, with endothelial dysfunction and vascular stiffness being especially common features of obese vessels. These changes can also lead to impaired tissue perfusion that may affect multiple tissues and organs. In this review, we focus on the role played by perivascular adipose tissue, the activation of the renin-angiotensin-aldosterone system and endoplasmic reticulum stress in the vascular dysfunction associated with obesity. In addition, the participation of oxidative stress in this vascular damage, which can be produced in the perivascular adipose tissue as well as in other components of the vascular wall, is updated.
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59
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The Potential Role of Creatine in Vascular Health. Nutrients 2021; 13:nu13030857. [PMID: 33807747 PMCID: PMC7999364 DOI: 10.3390/nu13030857] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/24/2021] [Accepted: 03/04/2021] [Indexed: 12/11/2022] Open
Abstract
Creatine is an organic compound, consumed exogenously in the diet and synthesized endogenously via an intricate inter-organ process. Functioning in conjunction with creatine kinase, creatine has long been known for its pivotal role in cellular energy provision and energy shuttling. In addition to the abundance of evidence supporting the ergogenic benefits of creatine supplementation, recent evidence suggests a far broader application for creatine within various myopathies, neurodegenerative diseases, and other pathologies. Furthermore, creatine has been found to exhibit non-energy related properties, contributing as a possible direct and in-direct antioxidant and eliciting anti-inflammatory effects. In spite of the new clinical success of supplemental creatine, there is little scientific insight into the potential effects of creatine on cardiovascular disease (CVD), the leading cause of mortality. Taking into consideration the non-energy related actions of creatine, highlighted in this review, it can be speculated that creatine supplementation may serve as an adjuvant therapy for the management of vascular health in at-risk populations. This review, therefore, not only aims to summarize the current literature surrounding creatine and vascular health, but to also shed light onto the potential mechanisms in which creatine may be able to serve as a beneficial supplement capable of imparting vascular-protective properties and promoting vascular health.
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Khurana N, Pulsipher A, Ghandehari H, Alt JA. Meta-analysis of global and high throughput public gene array data for robust vascular gene expression discovery in chronic rhinosinusitis: Implications in controlled release. J Control Release 2021; 330:878-888. [PMID: 33144181 PMCID: PMC7906912 DOI: 10.1016/j.jconrel.2020.10.061] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 10/27/2020] [Accepted: 10/29/2020] [Indexed: 01/21/2023]
Abstract
BACKGROUND Chronic inflammation is known to cause alterations in vascular homeostasis that directly affects blood vessel morphogenesis, angiogenesis, and tissue permeability. These phenomena have been investigated and exploited for targeted drug delivery applications in the context of cancers and other disease processes. Vascular pathophysiology and its associated genes and signaling pathways, however, have not been systematically investigated in patients with chronic rhinosinusitis (CRS). Understanding the interplay between key vascular signaling pathways and top biomarkers associated with CRS may facilitate the development of new targeted delivery strategies and treatment paradigms. Herein, we report findings from a gene meta-analysis to identify key vascular pathways and top genes involved in CRS. METHODS Proprietary software (Illumina BaseSpace Correlation Engine) and open-access data sets were used to perform a gene meta-analysis to systematically determine significant differences between key vascular biomarkers and vascular signaling pathways expressed in sinonasal tissue biopsies of controls and patients with CRS. RESULTS Thirteen studies were initially identified, and then reduced to five after applying exclusion principle algorithms. Genes associated with vasculature development and blood vessel morphogenesis signaling pathways were identified to be overexpressed among the top 15 signaling pathways. Out of many significantly upregulated genes, the levels of pro angiogenic genes such as early growth response (EGR3), platelet endothelial cell adhesion molecule (PECAM1) and L-selectin (SELL) were particularly significant in patients with CRS compared to controls. DISCUSSION Key vascular biomarkers and signaling pathways were significantly overexpressed in patients with CRS compared to controls, suggesting a contribution of vascular dysfunction in CRS pathophysiology. Vascular dysregulation and permeability may afford opportunities to develop drug delivery systems to improve efficacy and reduce toxicity of CRS treatment.
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Affiliation(s)
- Nitish Khurana
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, 84112, USA; Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT, 84112, USA
| | - Abigail Pulsipher
- Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT, 84112, USA; Division of Otolaryngology, University of Utah School of Medicine, Salt Lake City, UT, 84112, USA
| | - Hamidreza Ghandehari
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, 84112, USA; Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT, 84112, USA; Division of Otolaryngology, University of Utah School of Medicine, Salt Lake City, UT, 84112, USA; Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, 84112, USA
| | - Jeremiah A Alt
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT, 84112, USA; Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT, 84112, USA; Division of Otolaryngology, University of Utah School of Medicine, Salt Lake City, UT, 84112, USA; Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, 84112, USA.
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Bkaily G, Abou Abdallah N, Simon Y, Jazzar A, Jacques D. Vascular smooth muscle remodeling in health and disease. Can J Physiol Pharmacol 2021; 99:171-178. [PMID: 32853532 DOI: 10.1139/cjpp-2020-0399] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In blood vessels, vascular smooth muscle cells (VSMCs) generally exist in two major phenotypes: contractile and non-contractile (synthetic). The contractile phenotype is predominant and includes quiescent or differentiated VSMCs, which function as the regulators of blood vessel diameter and blood flow. According to some literature in the field, contractile VSMCs do not switch to the non-contractile phenotype due to the activation of specific transcription factors that are considered as guardians of the contractile phenotype. However, a vast amount of the literature uses the terms remodeling and phenotype switching of contractile VSMCs interchangeably based mainly on studies dealing with atherosclerosis. The use of the terms remodeling and switching to describe changes in phenotype based on morphological criteria can be confusing. The term remodeling was first used to describe morphological changes in the heart and was soon used to describe phenotype changes of contractile VSMCs based on morphological criteria. The latter were introduced in early studies, and new molecular criteria were later added, including changes in gene expression, which could be irreversible. In this review, we will discuss the different views concerning remodeling and possible switching of contractile VSMCs to a non-contractile phenotype. We conclude that only remodeling of contractile VSMCs may take place upon vascular injury and disease.
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Affiliation(s)
- Ghassan Bkaily
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
| | - Nadia Abou Abdallah
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
| | - Yanick Simon
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
| | - Ashley Jazzar
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
| | - Danielle Jacques
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
- Department of Anatomy and Cell Biology, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada J1H 5N4
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Ben-Saadon S, Gavriel M, Zaretsky U, Jaffa AJ, Grisaru D, Elad D. Tissue-engineered arterial intima model exposed to steady wall shear stresses. J Biomech 2021; 117:110236. [PMID: 33508722 DOI: 10.1016/j.jbiomech.2021.110236] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 01/04/2021] [Indexed: 12/16/2022]
Abstract
The arterial intima is continuously under pulsatile wall shear stresses (WSS) imposed by the circulating blood. The knowledge of the contribution of smooth muscle cells (SMC) to the response of endothelial cell (EC) to WSS is still incomplete. We developed a co-culture model of EC on top of SMC that mimics the inner in vivo structure of the arterial intima of large arteries. The co-cultured model, as well as a monolayer model of EC, were developed in custom-designed wells that allowed for mechanobiology experiments. Both the monolayer and co-culture models were exposed to steady flow induced WSS of up to 24 dyne/cm2 and for lengths of 60 min. Quantification of WSS induced alterations in the cytoskeletal actin filaments (F-actin) and vascular endothelial cadherin (VE-cadherin) junctions were utilized from confocal images and flow cytometry. High confluency of both models was observed even after exposure to the high WSS. The quantitive analysis revealed larger post WSS amounts of EC F-actin polymerization in the monolayer, which may be explained by the relative help of the SMC to resist the external load of WSS. The VE-cadherin demonstrated morphological alterations in the monolayer model, but without significant changes in their content. The SMC in the co-culture maintained their contractile phenotype post high WSS which is more physiological, but not post low WSS. Generally, the results of this work demonstrate the active role of SMC in the intima performance to resist flow induced WSS.
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Affiliation(s)
- Sara Ben-Saadon
- Department of Biomedical Engineering, Faculty of Engineering, Tel-Aviv University, Tel-Aviv 69978, Israel
| | - Mark Gavriel
- Department of Biomedical Engineering, Faculty of Engineering, Tel-Aviv University, Tel-Aviv 69978, Israel
| | - Uri Zaretsky
- Department of Biomedical Engineering, Faculty of Engineering, Tel-Aviv University, Tel-Aviv 69978, Israel
| | - Ariel J Jaffa
- Department of Obstetrics and Gynecology, Lis Maternity Hospital, Tel-Aviv Medical Center, Tel Aviv 64239, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Dan Grisaru
- Department of Gynecological Oncology, Lis Maternity Hospital, Tel-Aviv Medical Center, Tel Aviv 64239, Israel; Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - David Elad
- Department of Biomedical Engineering, Faculty of Engineering, Tel-Aviv University, Tel-Aviv 69978, Israel.
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Kannojiya V, Das AK, Das PK. Simulation of Blood as Fluid: A Review From Rheological Aspects. IEEE Rev Biomed Eng 2021; 14:327-341. [DOI: 10.1109/rbme.2020.3011182] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Khurana N, Pulsipher A, Jedrzkiewicz J, Ashby S, Pollard CE, Ghandehari H, Alt JA. Inflammation-driven vascular dysregulation in chronic rhinosinusitis. Int Forum Allergy Rhinol 2020; 11:976-983. [PMID: 33135871 DOI: 10.1002/alr.22723] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 09/24/2020] [Accepted: 10/13/2020] [Indexed: 11/11/2022]
Abstract
BACKGROUND Altered neovascularity is typically observed in chronic inflammatory diseases with overlapping pathophysiology to that observed in chronic rhinosinusitis (CRS). However, characterization of these inflammatory-induced vascular-mediated changes in CRS is limited. Understanding the underlying vascular changes in CRS will allow for strategic design and development of new drug-delivery technologies that exploit vascular permeability for increased extravasation into the target sinonasal tissues. METHODS Patients with CRS with nasal polyps (CRSwNP) and without nasal polyps (CRSsNP) and non-CRS controls were enrolled in this prospective, observational study. The extent of angiogenesis in tissue was characterized using immunohistochemical and multiplex gene expression analyses. Vascular permeability, interendothelial junction structures, and endothelial barrier morphology were evaluated using transmission electron microscopy. RESULTS Sinonasal vascularity was increased significantly in CRSsNP and CRSwNP (p < 0.05) when compared with controls, as assessed by enumerating the platelet endothelial cell adhesion molecule (PECAM-1)-positive blood vessels. Pro-angiogenic gene expression, including PECAM1 and platelet-activating factor receptor, was elevated significantly in patients with CRSwNP when compared with controls (p < 0.05). The fenestration sizes between endothelial cells (17-280 nm) were larger in CRSwNP compared with CRSsNP (10-33 nm) patients and controls (4-12 nm). Global thinning of the endothelial cell lining was observed in CRS patients but not in controls. CONCLUSION Significant increases in vascularity, the pro-angiogenic gene, and protein expression and blood vessel morphogenesis were observed in CRS patients compared with controls. In addition, fenestration sizes between interendothelial junction structures were larger in CRS patients than in controls, suggesting inflammation-driven vascular dysregulation in CRS pathology.
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Affiliation(s)
- Nitish Khurana
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT.,Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT
| | - Abigail Pulsipher
- Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT.,Sinus and Skull Base Surgery Program, Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of Utah, Salt Lake City, UT
| | | | - Shaelene Ashby
- Sinus and Skull Base Surgery Program, Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of Utah, Salt Lake City, UT
| | - Chelsea E Pollard
- Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT.,Sinus and Skull Base Surgery Program, Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of Utah, Salt Lake City, UT
| | - Hamidreza Ghandehari
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT.,Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT.,Sinus and Skull Base Surgery Program, Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of Utah, Salt Lake City, UT.,Department of Biomedical Engineering, University of Utah, Salt Lake City, UT
| | - Jeremiah A Alt
- Department of Pharmaceutics and Pharmaceutical Chemistry, University of Utah, Salt Lake City, UT.,Utah Center for Nanomedicine, Nano Institute of Utah, University of Utah, Salt Lake City, UT.,Sinus and Skull Base Surgery Program, Division of Otolaryngology-Head and Neck Surgery, Department of Surgery, University of Utah, Salt Lake City, UT.,Department of Biomedical Engineering, University of Utah, Salt Lake City, UT
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Obiweluozor FO, Emechebe GA, Kim DW, Cho HJ, Park CH, Kim CS, Jeong IS. Considerations in the Development of Small-Diameter Vascular Graft as an Alternative for Bypass and Reconstructive Surgeries: A Review. Cardiovasc Eng Technol 2020; 11:495-521. [PMID: 32812139 DOI: 10.1007/s13239-020-00482-y] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Accepted: 08/11/2020] [Indexed: 02/06/2023]
Abstract
BACKGROUND Current design strategies for small diameter vascular grafts (< 6 mm internal diameter; ID) are focused on mimicking native vascular tissue because the commercially available grafts still fail at small diameters, notably due to development of intimal hyperplasia and thrombosis. To overcome these challenges, various design approaches, material selection, and surface modification strategies have been employed to improve the patency of small-diameter grafts. REVIEW The purpose of this review is to outline various considerations in the development of small-diameter vascular grafts, including material choice, surface modifications to enhance biocompatibility/endothelialization, and mechanical properties of the graft, that are currently being implanted. Additionally, we have taken into account the general vascular physiology, tissue engineering approaches, and collective achievements of the authors in this area. We reviewed both commercially available synthetic grafts (e-PTFE and PET), elastic polymers such as polyurethane and biodegradable and bioresorbable materials. We included naturally occurring materials by focusing on their potential application in the development of future vascular alternatives. CONCLUSION Until now, there are few comprehensive reviews regarding considerations in the design of small-diameter vascular grafts in the literature. Here-in, we have discussed in-depth the various strategies employed to generate engineered vascular graft due to their high demand for vascular surgeries. While some TEVG design strategies have shown greater potential in contrast to autologous or synthetic ePTFE conduits, many are still hindered by high production cost which prevents their widespread adoption. Nonetheless, as tissue engineers continue to develop on their strategies and procedures for improved TEVGs, soon, a reliable engineered graft will be available in the market. Hence, we anticipate a viable TEVG with resorbable property, fabricated via electrospinning approach to hold a greater potential that can overcome the challenges observed in both autologous and allogenic grafts. This is because they can be mechanically tuned, incorporated/surface-functionalized with bioactive molecules and mass-manufactured in a reproducible manner. It is also found that most of the success in engineered vascular graft approaching commercialization is for large vessels rather than small-diameter grafts used as cardiovascular bypass grafts. Consequently, the field of vascular engineering is still available for future innovators that can take up the challenge to create a functional arterial substitute.
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Affiliation(s)
- Francis O Obiweluozor
- Department of Cardiac and Thoracic Surgery, Chonnam National University Hospital and Medical School, 42 Jebong-Ro Dong-gu, Gwangju, 501-757, Republic of Korea.
| | - Gladys A Emechebe
- Department of Bionanosystem Engineering Graduate School, Chonbuk National University, Jeonju City, Republic of Korea
| | - Do-Wan Kim
- Department of Cardiac and Thoracic Surgery, Chonnam National University Hospital and Medical School, 42 Jebong-Ro Dong-gu, Gwangju, 501-757, Republic of Korea
| | - Hwa-Jin Cho
- Department of Cardiac and Thoracic Surgery, Chonnam National University Hospital and Medical School, 42 Jebong-Ro Dong-gu, Gwangju, 501-757, Republic of Korea
| | - Chan Hee Park
- Department of Bionanosystem Engineering Graduate School, Chonbuk National University, Jeonju City, Republic of Korea
- Department of Mechanical Engineering Graduate School, Chonbuk National University, Jeonju City, Republic of Korea
| | - Cheol Sang Kim
- Department of Bionanosystem Engineering Graduate School, Chonbuk National University, Jeonju City, Republic of Korea
- Department of Mechanical Engineering Graduate School, Chonbuk National University, Jeonju City, Republic of Korea
| | - In Seok Jeong
- Department of Cardiac and Thoracic Surgery, Chonnam National University Hospital and Medical School, 42 Jebong-Ro Dong-gu, Gwangju, 501-757, Republic of Korea.
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66
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Leclech C, Natale CF, Barakat AI. The basement membrane as a structured surface - role in vascular health and disease. J Cell Sci 2020; 133:133/18/jcs239889. [PMID: 32938688 DOI: 10.1242/jcs.239889] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The basement membrane (BM) is a thin specialized extracellular matrix that functions as a cellular anchorage site, a physical barrier and a signaling hub. While the literature on the biochemical composition and biological activity of the BM is extensive, the central importance of the physical properties of the BM, most notably its mechanical stiffness and topographical features, in regulating cellular function has only recently been recognized. In this Review, we focus on the biophysical attributes of the BM and their influence on cellular behavior. After a brief overview of the biochemical composition, assembly and function of the BM, we describe the mechanical properties and topographical structure of various BMs. We then focus specifically on the vascular BM as a nano- and micro-scale structured surface and review how its architecture can modulate endothelial cell structure and function. Finally, we discuss the pathological ramifications of the biophysical properties of the vascular BM and highlight the potential of mimicking BM topography to improve the design of implantable endovascular devices and advance the burgeoning field of vascular tissue engineering.
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Affiliation(s)
- Claire Leclech
- Hydrodynamics Laboratory, CNRS UMR7646, Ecole Polytechnique, Palaiseau, France
| | - Carlo F Natale
- Hydrodynamics Laboratory, CNRS UMR7646, Ecole Polytechnique, Palaiseau, France.,Interdisciplinary Research Centre on Biomaterials (CRIB), University of Naples Federico II, Naples, Italy
| | - Abdul I Barakat
- Hydrodynamics Laboratory, CNRS UMR7646, Ecole Polytechnique, Palaiseau, France
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Clarke H, Kim DH, Meza CA, Ormsbee MJ, Hickner RC. The Evolving Applications of Creatine Supplementation: Could Creatine Improve Vascular Health? Nutrients 2020; 12:nu12092834. [PMID: 32947909 PMCID: PMC7551337 DOI: 10.3390/nu12092834] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Accepted: 09/14/2020] [Indexed: 12/19/2022] Open
Abstract
Creatine is a naturally occurring compound, functioning in conjunction with creatine kinase to play a quintessential role in both cellular energy provision and intracellular energy shuttling. An extensive body of literature solidifies the plethora of ergogenic benefits gained following dietary creatine supplementation; however, recent findings have further indicated a potential therapeutic role for creatine in several pathologies such as myopathies, neurodegenerative disorders, metabolic disturbances, chronic kidney disease and inflammatory diseases. Furthermore, creatine has been found to exhibit non-energy-related properties, such as serving as a potential antioxidant and anti-inflammatory. Despite the therapeutic success of creatine supplementation in varying clinical populations, there is scarce information regarding the potential application of creatine for combatting the current leading cause of mortality, cardiovascular disease (CVD). Taking into consideration the broad ergogenic and non-energy-related actions of creatine, we hypothesize that creatine supplementation may be a potential therapeutic strategy for improving vascular health in at-risk populations such as older adults or those with CVD. With an extensive literature search, we have found only four clinical studies that have investigated the direct effect of creatine on vascular health and function. In this review, we aim to give a short background on the pleiotropic applications of creatine, and to then summarize the current literature surrounding creatine and vascular health. Furthermore, we discuss the varying mechanisms by which creatine could benefit vascular health and function, such as the impact of creatine supplementation upon inflammation and oxidative stress.
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Affiliation(s)
- Holly Clarke
- Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA; (H.C.); (D.-H.K.); (C.A.M.); (M.J.O.)
| | - Do-Houn Kim
- Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA; (H.C.); (D.-H.K.); (C.A.M.); (M.J.O.)
| | - Cesar A. Meza
- Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA; (H.C.); (D.-H.K.); (C.A.M.); (M.J.O.)
| | - Michael J. Ormsbee
- Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA; (H.C.); (D.-H.K.); (C.A.M.); (M.J.O.)
- Department of Biokenetics, Exercise and Leisure Sciences, School of Health Sciences, University of KwaZulu-Natal, Westville 4041, South Africa
- Institute of Sports Sciences and Medicine, Florida State University, 1104 Spirit Way, Tallahassee, FL 32306, USA
| | - Robert C. Hickner
- Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA; (H.C.); (D.-H.K.); (C.A.M.); (M.J.O.)
- Department of Biokenetics, Exercise and Leisure Sciences, School of Health Sciences, University of KwaZulu-Natal, Westville 4041, South Africa
- Institute of Sports Sciences and Medicine, Florida State University, 1104 Spirit Way, Tallahassee, FL 32306, USA
- Correspondence:
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Wang C, Wang S, Pan H, Min L, Zheng H, Zhu H, Liu G, Yang W, Chen X, Hou X. Bioinspired liquid gating membrane-based catheter with anticoagulation and positionally drug release properties. SCIENCE ADVANCES 2020; 6:eabb4700. [PMID: 32917618 PMCID: PMC7473668 DOI: 10.1126/sciadv.abb4700] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 07/21/2020] [Indexed: 05/11/2023]
Abstract
Catheters are indispensable medical devices that are extensively used in daily medical treatment. However, existing catheter materials continue to encounter many problems, such as thrombosis, single functionality, and inadaptability to environmental changes. Inspired by blood vessels, we develop a self-adaptive liquid gating membrane-based catheter with anticoagulation and positionally drug release properties. Our multifunctional liquid gating membrane-based catheter significantly attenuates blood clot formation and can be used as a general catheter design strategy to offer various drugs positionally releasing applications to comprehensively enhance the safety, functionality, and performance of medical catheters' materials.
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Affiliation(s)
- Chunyan Wang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, China
| | - Shuli Wang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, China
| | - Hong Pan
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Lingli Min
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, China
| | - Huili Zheng
- Zhongshan Hospital, Xiamen University, Xiamen 361004, China
| | - Huang Zhu
- School of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
| | - Gang Liu
- State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Weizhong Yang
- School of Materials Science and Engineering, Sichuan University, Chengdu 610064, China.
| | - Xinyu Chen
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xu Hou
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.
- Collaborative Innovation Center of Chemistry for Energy Materials, Xiamen University, Xiamen 361005, China
- Research Institute for Soft Matter and Biomimetics, College of Physical Science and Technology, Xiamen University, Xiamen 361005, China
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69
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Amadi PU, Agomuo EN, Adumekwe CW. Modulatory properties of cardiac and quercetin glycosides from Dacryodes edulis seeds during L-NAME-induced vascular perturbation. J Basic Clin Physiol Pharmacol 2020; 31:/j/jbcpp.ahead-of-print/jbcpp-2019-0116/jbcpp-2019-0116.xml. [PMID: 32653874 DOI: 10.1515/jbcpp-2019-0116] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Accepted: 03/06/2020] [Indexed: 02/06/2023]
Abstract
Background Numerous food wastes have been identified to possess potent bioactive compounds used for the treatment of several diseases. Therefore this study evaluated the potentials of cardiac and quercetin glycosides extracted from Dacryodes edulis seeds to reverse vascular and endothelial damage (VAED). Methods The glycoside composition of the seeds was extracted using standard methods and characterized by gas chromatography. We then recruited rats with L-NAME-induced VAED based on confirmatory biomarkers cardiac troponin (CnT), cellular adhesion molecule (VCAM-1), lipoprotein associated phospholipase A2 (Lp-PLA2), RAAS, VWF, endothelin, eNOx, and homocysteine. Only rats that showed total alterations of all biomarkers were recruited into the respective experimental groups and treated with either metaprolol succinate (met.su) + losartan or glycoside extracts of D. edulis seeds (NPSG). Results Chromatographic isolation of glycosides in the seed showed predominance of artemetin (1.59 mg/100 g), amygdalin (3.68 mg/100 g), digitoxin (19.21 mg/100 g), digoxin (27.23 mg/100 g), avicularin (133.59 mg/100 g), and hyperoside (481.76 mg/100 g). We observed decreased water intake and higher heart beats under vascular damage as the experiment progressed up to the fourth week. The met.su + losartan and H.D NPSG proved effective in restoring troponin, but both doses of NPSG normalized the VCAM-1 and RAAS activities excluding aldosterone and Lp-PLA2. Among the endothelial dysfunction biomarkers, H.D NPSG produced equivalent effects to met.su + losartan towards restoring the eNOx and VWF activities, but showed higher potency in normalizing the endothelin and Hcy levels. Conclusions We thus propose that the synergistic effect of the isolated glycosides from D. edulis shown in our study proved potent enough at high doses in treatment of vascular and endothelial dysfunction.
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Affiliation(s)
- Peter Uchenna Amadi
- Department of Biochemistry, University of Port Harcourt, Choba, Rivers State, Nigeria.,Department of Biochemistry, Imo State, University, Owerri, Imo State, Nigeria
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Bondareva O, Sheikh BN. Vascular Homeostasis and Inflammation in Health and Disease-Lessons from Single Cell Technologies. Int J Mol Sci 2020; 21:E4688. [PMID: 32630148 PMCID: PMC7369864 DOI: 10.3390/ijms21134688] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 06/23/2020] [Accepted: 06/30/2020] [Indexed: 02/07/2023] Open
Abstract
The vascular system is critical infrastructure that transports oxygen and nutrients around the body, and dynamically adapts its function to an array of environmental changes. To fulfil the demands of diverse organs, each with unique functions and requirements, the vascular system displays vast regional heterogeneity as well as specialized cell types. Our understanding of the heterogeneity of vascular cells and the molecular mechanisms that regulate their function is beginning to benefit greatly from the rapid development of single cell technologies. Recent studies have started to analyze and map vascular beds in a range of organs in healthy and diseased states at single cell resolution. The current review focuses on recent biological insights on the vascular system garnered from single cell analyses. We cover the themes of vascular heterogeneity, phenotypic plasticity of vascular cells in pathologies such as atherosclerosis and cardiovascular disease, as well as the contribution of defective microvasculature to the development of neurodegenerative disorders such as Alzheimer's disease. Further adaptation of single cell technologies to study the vascular system will be pivotal in uncovering the mechanisms that drive the array of diseases underpinned by vascular dysfunction.
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Affiliation(s)
- Olga Bondareva
- Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Zentrum München at the University of Leipzig and University Hospital Leipzig, Philipp-Rosenthal-Str. 27, 04103 Leipzig, Germany
| | - Bilal N. Sheikh
- Helmholtz Institute for Metabolic, Obesity and Vascular Research (HI-MAG) of the Helmholtz Zentrum München at the University of Leipzig and University Hospital Leipzig, Philipp-Rosenthal-Str. 27, 04103 Leipzig, Germany
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71
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Quaglino D, Boraldi F, Lofaro FD. The biology of vascular calcification. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2020; 354:261-353. [PMID: 32475476 DOI: 10.1016/bs.ircmb.2020.02.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Vascular calcification (VC), characterized by different mineral deposits (i.e., carbonate apatite, whitlockite and hydroxyapatite) accumulating in blood vessels and valves, represents a relevant pathological process for the aging population and a life-threatening complication in acquired and in genetic diseases. Similarly to bone remodeling, VC is an actively regulated process in which many cells and molecules play a pivotal role. This review aims at: (i) describing the role of resident and circulating cells, of the extracellular environment and of positive and negative factors in driving the mineralization process; (ii) detailing the types of VC (i.e., intimal, medial and cardiac valve calcification); (iii) analyzing rare genetic diseases underlining the importance of altered pyrophosphate-dependent regulatory mechanisms; (iv) providing therapeutic options and perspectives.
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Affiliation(s)
- Daniela Quaglino
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy.
| | - Federica Boraldi
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
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72
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Christensen-Jeffries K, Couture O, Dayton PA, Eldar YC, Hynynen K, Kiessling F, O'Reilly M, Pinton GF, Schmitz G, Tang MX, Tanter M, van Sloun RJG. Super-resolution Ultrasound Imaging. ULTRASOUND IN MEDICINE & BIOLOGY 2020; 46:865-891. [PMID: 31973952 PMCID: PMC8388823 DOI: 10.1016/j.ultrasmedbio.2019.11.013] [Citation(s) in RCA: 163] [Impact Index Per Article: 40.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 11/17/2019] [Accepted: 11/20/2019] [Indexed: 05/02/2023]
Abstract
The majority of exchanges of oxygen and nutrients are performed around vessels smaller than 100 μm, allowing cells to thrive everywhere in the body. Pathologies such as cancer, diabetes and arteriosclerosis can profoundly alter the microvasculature. Unfortunately, medical imaging modalities only provide indirect observation at this scale. Inspired by optical microscopy, ultrasound localization microscopy has bypassed the classic compromise between penetration and resolution in ultrasonic imaging. By localization of individual injected microbubbles and tracking of their displacement with a subwavelength resolution, vascular and velocity maps can be produced at the scale of the micrometer. Super-resolution ultrasound has also been performed through signal fluctuations with the same type of contrast agents, or through switching on and off nano-sized phase-change contrast agents. These techniques are now being applied pre-clinically and clinically for imaging of the microvasculature of the brain, kidney, skin, tumors and lymph nodes.
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Affiliation(s)
- Kirsten Christensen-Jeffries
- Department of Biomedical Engineering, School of Biomedical Engineering and Imaging Sciences, King's College London, St Thomas' Hospital, London, United Kingdom
| | - Olivier Couture
- Institute of Physics for Medicine Paris, Inserm U1273, ESPCI Paris, CNRS FRE 2031, PSL University, Paris, France.
| | - Paul A Dayton
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, North Carolina, USA
| | - Yonina C Eldar
- Department of Mathematics and Computer Science, Weizmann Institute of Science, Rehovot, Israel
| | - Kullervo Hynynen
- Physical Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada; Department of Medical Biophysics, University of Toronto, Toronto, Canada; Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Fabian Kiessling
- Institute for Experimental Molecular Imaging, RWTH Aachen University, Aachen, Germany
| | - Meaghan O'Reilly
- Physical Sciences Platform, Sunnybrook Research Institute, Toronto, Ontario, Canada; Department of Medical Biophysics, University of Toronto, Toronto, Canada
| | - Gianmarco F Pinton
- Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, North Carolina, USA
| | - Georg Schmitz
- Chair for Medical Engineering, Faculty for Electrical Engineering and Information Technology, Ruhr University Bochum, Bochum, Germany
| | - Meng-Xing Tang
- Department of Bioengineering, Imperial College London, London, United Kingdom
| | - Mickael Tanter
- Institute of Physics for Medicine Paris, Inserm U1273, ESPCI Paris, CNRS FRE 2031, PSL University, Paris, France
| | - Ruud J G van Sloun
- Department of Electrical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands
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73
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Cheng H, Lu T, Wang J, Xia Y, Chai X, Zhang M, Yao Y, Zhou N, Zhou S, Chen X, Su W, Liu C, Yi W, Chen Y, Yao L. HuangqiGuizhiWuwu Decoction Prevents Vascular Dysfunction in Diabetes via Inhibition of Endothelial Arginase 1. Front Physiol 2020; 11:201. [PMID: 32269530 PMCID: PMC7109290 DOI: 10.3389/fphys.2020.00201] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2019] [Accepted: 02/21/2020] [Indexed: 12/12/2022] Open
Abstract
Hyperglycemia induces vascular endothelial dysfunction, which contributes to the development of vascular complication of diabetes. A classic prescription of traditional medicine, HuangqiGuizhiWuwu Decoction (HGWWD) has been used for the treatment of various cardiovascular and cerebrovascular diseases, which all are related with vascular pathology. The present study investigated the effect of HGWWD treatment in streptozocin (STZ)-induced vascular dysfunction in mouse models. In vivo studies were performed using wild type mice as well as arginase 1 knockout specific in endothelial cells (EC-A1-/-) of control mice, diabetes mice and diabetes mice treated with HGWWD (60 g crude drugs/kg/d) for 2 weeks. For in vitro studies, aortic tissues were treated with mice serum containing HGWWD with or without adenoviral arginase 1 (Ad-A1) transduction in high glucose (HG) medium. We found that HGWWD treatment restored STZ-induced impaired mean velocity and pulsatility index of mouse left femoral arteries, aortic pulse wave velocity and vascular endothelial relaxation accompanied by elevated NO production in the aorta and plasma, as well as reduced endothelial arginase activity and aortic arginase 1 expression. The protective effect of HGWWD is reversed by an inhibitor of nitric oxide synthesis. Meanwhile, the preventive effect of serum containing HGWWD in endothelial vascular dysfunction is completely blocked by Ad-A1 transduction in HG incubated aortas. HGWWD treatment further improved endothelial vascular dysfunction in STZ induced EC-A1-/- mice. This study demonstrates that HGWWD improved STZ-induced vascular dysfunction through arginase 1 - NO signaling, specifically targeting endothelial arginase 1.
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Affiliation(s)
- Hong Cheng
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Tian Lu
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Jingya Wang
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yucen Xia
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiaoshu Chai
- Department of Oncology, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Minyi Zhang
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yutong Yao
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Na Zhou
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Sisi Zhou
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xinyi Chen
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Weiwei Su
- Guangdong Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou, China
| | - Cunzhi Liu
- Acupuncture Research Center, Beijing University of Chinese Medicine, Beijing, China
| | - Wei Yi
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Yongjun Chen
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Lin Yao
- School of Pharmaceutical Sciences, South China Research Center for Acupuncture and Moxibustion, Guangzhou University of Chinese Medicine, Guangzhou, China
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74
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Ahmed A, Abdulatif M, Abdullah S, Rahman NA, Mukhtar A. The use of peripheral perfusion index as a predictor for patient’s response to deliberate hypotension during functional endoscopic sinus surgery. A prospective observational study. EGYPTIAN JOURNAL OF ANAESTHESIA 2019. [DOI: 10.1080/11101849.2019.1698130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Affiliation(s)
- Abeer Ahmed
- Department of Anesthesiology, Surgical ICU and Pain management, Kasr Alainy Faculty of Medicine, Cairo University, Giza, Egypt
| | - Mohamed Abdulatif
- Department of Anesthesiology, Surgical ICU and Pain management, Kasr Alainy Faculty of Medicine, Cairo University, Giza, Egypt
| | - Sherif Abdullah
- Department of Anesthesiology, Surgical ICU and Pain management, Kasr Alainy Faculty of Medicine, Cairo University, Giza, Egypt
| | - Neamat Abdel Rahman
- Department of Anesthesiology, Surgical ICU and Pain management, Kasr Alainy Faculty of Medicine, Cairo University, Giza, Egypt
| | - Ahmed Mukhtar
- Department of Anesthesiology, Surgical ICU and Pain management, Kasr Alainy Faculty of Medicine, Cairo University, Giza, Egypt
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75
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Chiang SS, Hsu FL, Hsu CK, Liu CF, Chu CY. Role of Camellia brevistyla (Hayata) Coh. Stuart Seed Pomace Extract on Hypertension and Vascular Function in L-NAME-Treated Mice. J Food Sci 2019; 84:3555-3564. [PMID: 31721202 DOI: 10.1111/1750-3841.14913] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/15/2019] [Accepted: 10/02/2019] [Indexed: 01/28/2023]
Abstract
Camellia brevistyla (Hayata) Coh. Stuart seeds are used to produce edible oil. The seed pomace is an agricultural waste, containing approximately 8% saponin, which has antihypertensive effects. Nω -nitro-L-arginine methyl ester (L-NAME) can induce hypertension with no deficiency on mice. Here, we investigated the effects of ethanol extract from C. brevistyla seed pomace (CBPE) in L-NAME-induced hypertension mice. The results showed that all doses of CBPE significantly decreased systolic (117 ± 5-122 ± 5 mmHg) and diastolic (72 ± 16-77 ± 8 mmHg) blood pressure, aortic intima media thickness (48 ± 5-53 ± 5 µm), and also reduced the MDA adduct and protein carbonyl levels in the liver (101 ± 19-114 ± 17 ρmol/mL and 4.8 - 5.2 nmol/mg) compared to those observed in the L-NAME group (140 ± 3 and 95 ± 8 mmHg, 65 ± 10 µm, 145 ± 25 ρmol/mL, and 7.8 nmol/mg; P < 0.05). These results suggest that CBPE has profitable antihypertensive properties which are preventing aorta remodeling and reducing liver oxidative stress in hypertensive mice.
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Affiliation(s)
- Shen-Shih Chiang
- Dept. of Food Science and Biotechnology, National Chung Hsing Univ., 145 Xingda Rd., South Dist., Taichung, 40227, Taiwan
| | - Fu-Lan Hsu
- Forest Chemistry Division, Taiwan Forestry Research Inst., Council of Agriculture, Executive Yuan, No. 53, Nanhai Rd., Zhongzheng Dist., Taipei, 10066, Taiwan
| | - Chun-Kai Hsu
- Lienhuachih Research Center, Taiwan Forestry Research Inst., Council of Agriculture, Executive Yuan, No. 43, Hualong Ln. Yuchi Towaship, Nantou County, 55543, Taiwan
| | - Chiung-Feng Liu
- Dept. of Food Science and Biotechnology, National Chung Hsing Univ., 145 Xingda Rd., South Dist., Taichung, 40227, Taiwan
| | - Chen-Yeon Chu
- Master's Program of Green Energy Science and Technology, Feng Chia Univ., No. 100, Wenhwa Rd., Seatwen, Taichung, 40724, Taiwan.,Inst. of Green Products, Feng Chia Univ., No. 100, Wenhwa Rd., Seatwen, Taichung, 40724, Taiwan
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76
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Karkan SF, Davaran S, Rahbarghazi R, Salehi R, Akbarzadeh A. Electrospun nanofibers for the fabrication of engineered vascular grafts. J Biol Eng 2019; 13:83. [PMID: 31737091 PMCID: PMC6844033 DOI: 10.1186/s13036-019-0199-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 07/28/2019] [Indexed: 12/11/2022] Open
Abstract
Attention has recently increased in the application of electrospun fibers because of their putative capability to create nanoscale platforms toward tissue engineering. To some extent, electrospun fibers are applicable to the extracellular matrix by providing a three-dimensional microenvironment in which cells could easily acquire definite functional shape and maintain the cell-to-cell connection. It is noteworthy to declare that placement in different electrospun substrates with appropriate physicochemical properties enables cells to promote their bioactivities, dynamics growth and differentiation, leading to suitable restorative effects. This review paper aims to highlight the application of biomaterials in engineered vascular grafts by using electrospun nanofibers to promote angiogenesis and neovascularization.
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Affiliation(s)
- Sonia Fathi Karkan
- Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Golgasht St, Tabriz, Iran
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Soodabeh Davaran
- Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Golgasht St, Tabriz, Iran
| | - Reza Rahbarghazi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Applied Cell Sciences, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Golgasht St., Tabriz, Iran
| | - Roya Salehi
- Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Golgasht St, Tabriz, Iran
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abolfazl Akbarzadeh
- Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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77
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Rademakers T, Horvath JM, van Blitterswijk CA, LaPointe VL. Oxygen and nutrient delivery in tissue engineering: Approaches to graft vascularization. J Tissue Eng Regen Med 2019; 13:1815-1829. [PMID: 31310055 PMCID: PMC6852121 DOI: 10.1002/term.2932] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 06/13/2019] [Accepted: 07/01/2019] [Indexed: 12/29/2022]
Abstract
The field of tissue engineering is making great strides in developing replacement tissue grafts for clinical use, marked by the rapid development of novel biomaterials, their improved integration with cells, better-directed growth and differentiation of cells, and improved three-dimensional tissue mass culturing. One major obstacle that remains, however, is the lack of graft vascularization, which in turn renders many grafts to fail upon clinical application. With that, graft vascularization has turned into one of the holy grails of tissue engineering, and for the majority of tissues, it will be imperative to achieve adequate vascularization if tissue graft implantation is to succeed. Many different approaches have been developed to induce or augment graft vascularization, both in vitro and in vivo. In this review, we highlight the importance of vascularization in tissue engineering and outline various approaches inspired by both biology and engineering to achieve and augment graft vascularization.
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Affiliation(s)
- Timo Rademakers
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology‐Inspired Regenerative MedicineMaastricht UniversityMaastrichtThe Netherlands
| | - Judith M. Horvath
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology‐Inspired Regenerative MedicineMaastricht UniversityMaastrichtThe Netherlands
| | - Clemens A. van Blitterswijk
- Complex Tissue Regeneration, MERLN Institute for Technology‐Inspired Regenerative MedicineMaastricht UniversityMaastrichtThe Netherlands
| | - Vanessa L.S. LaPointe
- Department of Instructive Biomaterials Engineering, MERLN Institute for Technology‐Inspired Regenerative MedicineMaastricht UniversityMaastrichtThe Netherlands
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78
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Wells HC, Sizeland KH, Kirby N, Hawley A, Mudie S, Cunningham CW, Haverkamp RG. Measured collagen fibril response to arterial inflation using SAXS. Int J Biol Macromol 2019; 137:1020-1029. [DOI: 10.1016/j.ijbiomac.2019.07.061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 07/05/2019] [Accepted: 07/07/2019] [Indexed: 12/11/2022]
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79
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Paek J, Park SE, Lu Q, Park KT, Cho M, Oh JM, Kwon KW, Yi YS, Song JW, Edelstein HI, Ishibashi J, Yang W, Myerson JW, Kiseleva RY, Aprelev P, Hood ED, Stambolian D, Seale P, Muzykantov VR, Huh D. Microphysiological Engineering of Self-Assembled and Perfusable Microvascular Beds for the Production of Vascularized Three-Dimensional Human Microtissues. ACS NANO 2019; 13:7627-7643. [PMID: 31194909 DOI: 10.1021/acsnano.9b00686] [Citation(s) in RCA: 128] [Impact Index Per Article: 25.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The vasculature is an essential component of the circulatory system that plays a vital role in the development, homeostasis, and disease of various organs in the human body. The ability to emulate the architecture and transport function of blood vessels in the integrated context of their associated organs represents an important requirement for studying a wide range of physiological processes. Traditional in vitro models of the vasculature, however, largely fail to offer such capabilities. Here we combine microfluidic three-dimensional (3D) cell culture with the principle of vasculogenic self-assembly to engineer perfusable 3D microvascular beds in vitro. Our system is created in a micropatterned hydrogel construct housed in an elastomeric microdevice that enables coculture of primary human vascular endothelial cells and fibroblasts to achieve de novo formation, anastomosis, and controlled perfusion of 3D vascular networks. An open-top chamber design adopted in this hybrid platform also makes it possible to integrate the microengineered 3D vasculature with other cell types to recapitulate organ-specific cellular heterogeneity and structural organization of vascularized human tissues. Using these capabilities, we developed stem cell-derived microphysiological models of vascularized human adipose tissue and the blood-retinal barrier. Our approach was also leveraged to construct a 3D organotypic model of vascularized human lung adenocarcinoma as a high-content drug screening platform to simulate intravascular delivery, tumor-killing effects, and vascular toxicity of a clinical chemotherapeutic agent. Furthermore, we demonstrated the potential of our platform for applications in nanomedicine by creating microengineered models of vascular inflammation to evaluate a nanoengineered drug delivery system based on active targeting liposomal nanocarriers. These results represent a significant improvement in our ability to model the complexity of native human tissues and may provide a basis for developing predictive preclinical models for biopharmaceutical applications.
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80
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Engineering blood vessels and vascularized tissues: technology trends and potential clinical applications. Clin Sci (Lond) 2019; 133:1115-1135. [DOI: 10.1042/cs20180155] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 04/05/2019] [Accepted: 04/08/2019] [Indexed: 02/06/2023]
Abstract
Abstract
Vascular tissue engineering has the potential to make a significant impact on the treatment of a wide variety of medical conditions, including providing in vitro generated vascularized tissue and organ constructs for transplantation. Since the first report on the construction of a biological blood vessel, significant research and technological advances have led to the generation of clinically relevant large and small diameter tissue engineered vascular grafts (TEVGs). However, developing a biocompatible blood-contacting surface is still a major challenge. Researchers are using biomimicry to generate functional vascular grafts and vascular networks. A multi-disciplinary approach is being used that includes biomaterials, cells, pro-angiogenic factors and microfabrication technologies. Techniques to achieve spatiotemporal control of vascularization include use of topographical engineering and controlled-release of growth/pro-angiogenic factors. Use of decellularized natural scaffolds has gained popularity for engineering complex vascularized organs for potential clinical use. Pre-vascularization of constructs prior to implantation has also been shown to enhance its anastomosis after implantation. Host-implant anastomosis is a phenomenon that is still not fully understood. However, it will be a critical factor in determining the in vivo success of a TEVGs or bioengineered organ. Many clinical studies have been conducted using TEVGs, but vascularized tissue/organ constructs are still in the research & development stage. In addition to technical challenges, there are commercialization and regulatory challenges that need to be addressed. In this review we examine recent advances in the field of vascular tissue engineering, with a focus on technology trends, challenges and potential clinical applications.
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81
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Abstract
A wide variety of pathogens reach the circulatory system during viral, parasitic, fungal, and bacterial infections, causing clinically diverse pathologies. Such systemic infections are usually severe and frequently life-threatening despite intensive care, in particular during the age of antibiotic resistance. Because of its position at the interface between the blood and the rest of the organism, the endothelium plays a central role during these infections. Using several examples of systemic infections, we explore the diversity of interactions between pathogens and the endothelium. These examples reveal that bacterial pathogens target specific vascular beds and affect most aspects of endothelial cell biology, ranging from cellular junction stability to endothelial cell proliferation and inflammation.
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82
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Marx U, Walles H, Hoffmann S, Lindner G, Horland R, Sonntag F, Klotzbach U, Sakharov D, Tonevitsky A, Lauster R. ‘Human-on-a-chip’ Developments: A Translational Cutting-edge Alternative to Systemic Safety Assessment and Efficiency Evaluation of Substances in Laboratory Animals and Man? Altern Lab Anim 2019; 40:235-57. [DOI: 10.1177/026119291204000504] [Citation(s) in RCA: 123] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Uwe Marx
- Technische Universität Berlin, Department of Biotechnology, Berlin, Germany
| | | | - Silke Hoffmann
- Technische Universität Berlin, Department of Biotechnology, Berlin, Germany
| | - Gerd Lindner
- Technische Universität Berlin, Department of Biotechnology, Berlin, Germany
| | - Reyk Horland
- Technische Universität Berlin, Department of Biotechnology, Berlin, Germany
| | - Frank Sonntag
- Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS, Dresden, Germany
| | - Udo Klotzbach
- Fraunhofer-Institut für Werkstoff- und Strahltechnik IWS, Dresden, Germany
| | | | | | - Roland Lauster
- Technische Universität Berlin, Department of Biotechnology, Berlin, Germany
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83
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Hu C, Chen Y, Tan MJA, Ren K, Wu H. Microfluidic technologies for vasculature biomimicry. Analyst 2019; 144:4461-4471. [DOI: 10.1039/c9an00421a] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
An overview of microfluidic technologies for vascular studies and fabrication of vascular structures.
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Affiliation(s)
- Chong Hu
- Department of Chemistry
- Hong Kong Baptist University
- Kowloon
- China
| | - Yangfan Chen
- Department of Chemistry
- The Hong Kong University of Science and Technology
- Kowloon
- China
| | - Ming Jun Andrew Tan
- Division of Biomedical Engineering
- The Hong Kong University of Science and Technology
- China
| | - Kangning Ren
- Department of Chemistry
- Hong Kong Baptist University
- Kowloon
- China
- HKBU Institute of Research and Continuing Education
| | - Hongkai Wu
- Department of Chemistry
- The Hong Kong University of Science and Technology
- Kowloon
- China
- Division of Biomedical Engineering
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84
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Fathollahipour S, Patil PS, Leipzig ND. Oxygen Regulation in Development: Lessons from Embryogenesis towards Tissue Engineering. Cells Tissues Organs 2018; 205:350-371. [PMID: 30273927 PMCID: PMC6397050 DOI: 10.1159/000493162] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/11/2018] [Indexed: 12/19/2022] Open
Abstract
Oxygen is a vital source of energy necessary to sustain and complete embryonic development. Not only is oxygen the driving force for many cellular functions and metabolism, but it is also involved in regulating stem cell fate, morphogenesis, and organogenesis. Low oxygen levels are the naturally preferred microenvironment for most processes during early development and mainly drive proliferation. Later on, more oxygen and also nutrients are needed for organogenesis and morphogenesis. Therefore, it is critical to maintain oxygen levels within a narrow range as required during development. Modulating oxygen tensions is performed via oxygen homeostasis mainly through the function of hypoxia-inducible factors. Through the function of these factors, oxygen levels are sensed and regulated in different tissues, starting from their embryonic state to adult development. To be able to mimic this process in a tissue engineering setting, it is important to understand the role and levels of oxygen in each developmental stage, from embryonic stem cell differentiation to organogenesis and morphogenesis. Taking lessons from native tissue microenvironments, researchers have explored approaches to control oxygen tensions such as hemoglobin-based, perfluorocarbon-based, and oxygen-generating biomaterials, within synthetic tissue engineering scaffolds and organoids, with the aim of overcoming insufficient or nonuniform oxygen levels and nutrient supply.
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Affiliation(s)
| | - Pritam S Patil
- Department of Chemical and Biomolecular Engineering, University of Akron, Akron, Ohio, USA
| | - Nic D Leipzig
- Department of Chemical and Biomolecular Engineering, University of Akron, Akron, Ohio,
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85
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Xu H, Zhang L, Chen W, Xu J, Zhang R, Liu R, Zhou L, Hu W, Ju R, Lee C, Lu W, Kumar A, Li X, Tang Z. Inhibitory effect of caveolin-1 in vascular endothelial cells, pericytes and smooth muscle cells. Oncotarget 2017; 8:76165-76173. [PMID: 29100301 PMCID: PMC5652695 DOI: 10.18632/oncotarget.19191] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Accepted: 06/19/2017] [Indexed: 11/25/2022] Open
Abstract
Caveolin-1 (Cav1) is the principle structural protein of caveolae. It plays important roles in the vascular system under both physiological and pathological conditions. Although Cav1 has been shown to inhibit microvascular permeability and has been considered as a tumor-suppressor for years, the underlying cellular mechanism has yet to be discovered. Here, we systematically investigated Cav1 functions in the main types of vascular cells, including endothelial cells (ECs), pericytes (PCs) and smooth muscle cells (SMCs). We synthesized a cell-permeable peptide called cavtratin that is derived from the Cav1 scaffolding domain. We found that cavtratin inhibited ECs in all assays, including survival, proliferation, migration and permeability assays. It also inhibited the proliferation of PCs and SMCs but had no effect on their survival or migration. The inhibitory effect of cavtratin on the proliferation of all vascular cells suggests that Cav1 plays important roles in vascular development and angiogenesis. Under physiological condition, the main function of Cav1 is to inhibit EC permeability.
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Affiliation(s)
- Hongping Xu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Liwei Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Wei Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Jiazhou Xu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Ruting Zhang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Ran Liu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Lan Zhou
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Wenjie Hu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Rong Ju
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Chunsik Lee
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Weisi Lu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Anil Kumar
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Xuri Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
| | - Zhongshu Tang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, P. R. China
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86
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Brown BA, Williams H, George SJ. Evidence for the Involvement of Matrix-Degrading Metalloproteinases (MMPs) in Atherosclerosis. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2017; 147:197-237. [PMID: 28413029 DOI: 10.1016/bs.pmbts.2017.01.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Atherosclerosis leads to blockage of arteries, culminating in myocardial infarction, and stroke. The involvement of matrix-degrading metalloproteinases (MMPs) in atherosclerosis is established and many studies have highlighted the importance of various MMPs in this process. MMPs were first implicated in atherosclerosis due to their ability to degrade extracellular matrix components, which can lead to increased plaque instability. However, more recent work has highlighted a multitude of roles for MMPs in addition to breakdown of extracellular matrix proteins. MMPs are now known to be involved in various stages of plaque progression: from initial macrophage infiltration to plaque rupture. This chapter summarizes the development and progression of atherosclerotic plaques and the contribution of MMPs. We provide data from human studies showing the effect of MMP polymorphisms and the expression of MMPs in both the atherosclerotic plaque and within plasma. We also discuss work in animal models of atherosclerosis that show the effect of gain or loss of function of MMPs. Together, the data provided from these studies illustrate that MMPs are ideal targets as both biomarkers and potential drug therapies for atherosclerosis.
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Affiliation(s)
- Bethan A Brown
- School of Clinical Sciences, University of Bristol, Bristol, United Kingdom
| | - Helen Williams
- School of Clinical Sciences, University of Bristol, Bristol, United Kingdom
| | - Sarah J George
- School of Clinical Sciences, University of Bristol, Bristol, United Kingdom.
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87
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Boyd-Moss M, Fox K, Brandt M, Nisbet D, Williams R. Bioprinting and Biofabrication with Peptide and Protein Biomaterials. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 1030:95-129. [PMID: 29081051 DOI: 10.1007/978-3-319-66095-0_5] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The ability to fabricate artificial tissue constructs through the controlled organisation of cells, structures and signals within a biomimetic scaffold offers significant promise to the field of regenerative medicine, drug delivery and tissue engineering. Advances in additive manufacturing technologies have facilitated the printing of spatially defined cell-laden artificial tissue constructs capable of providing biomimetic spatiotemporal presentation of biological and physical cues to cells in a designed multicomponent structure. Despite significant progress in the field of bioprinting, a key challenge remains in developing and utilizing materials that can adequately recapitulate the complexities of the native extracellular matrix on a nanostructured, chemical level during the printing process. This gives rise to the need for suitable materials - particularly in establishing effective control over cell fate, tissue vascularization and innervation. Recently, significant interested has been invested into developing candidate materials using protein and peptide-derived biomaterials. The ability of these materials to form highly printable hydrogels which are reminiscent of the native ECM has seen significant use in a variety of regenative applications, including both organ bioprinting and non-organ bioprinting. Here, we discuss the emerging technologies for peptide-based bioprinting applications, highlighting bioink development and detailing bioprinter processors. Furthermore, this work presents application specific, peptide-based bioprinting approaches, and provides insight into current limitations and future perspectives of peptide-based bioprinting techniques.
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Affiliation(s)
- Mitchell Boyd-Moss
- School of Engineering, RMIT University, Melbourne, VIC, Australia.,Biofab3D, St. Vincent's Hospital Melbourne, Fitzroy, VIC, Australia
| | - Kate Fox
- School of Engineering, RMIT University, Melbourne, VIC, Australia
| | - Milan Brandt
- School of Engineering, RMIT University, Melbourne, VIC, Australia.,Centre for Additive Manufacturing, School of Engineering, RMIT University, Melbourne, VIC, Australia
| | - David Nisbet
- Laboratory of Advanced Biomaterials, Research School of Engineering, The Australian National University, Canberra, ACT, Australia
| | - Richard Williams
- School of Engineering, RMIT University, Melbourne, VIC, Australia. .,Biofab3D, St. Vincent's Hospital Melbourne, Fitzroy, VIC, Australia.
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88
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Hussain A, Bennett RT, Chaudhry MA, Qadri SS, Cowen M, Morice AH, Loubani M. Characterization of optimal resting tension in human pulmonary arteries. World J Cardiol 2016; 8:553-558. [PMID: 27721938 PMCID: PMC5039357 DOI: 10.4330/wjc.v8.i9.553] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Revised: 07/15/2016] [Accepted: 08/01/2016] [Indexed: 02/06/2023] Open
Abstract
AIM To determine the optimum resting tension (ORT) for in vitro human pulmonary artery (PA) ring preparations.
METHODS Pulmonary arteries were dissected from disease free sections of the resected lung in the operating theatre and tissue samples were directly sent to the laboratory in Krebs-Henseleit solution (Krebs). The pulmonary arteries were then cut into 2 mm long rings. PA rings were mounted in 25 mL organ baths or 8 mL myograph chambers containing Krebs compound (37 °C, bubbled with 21% O2: 5% CO2) to measure changes in isometric tension. The resting tension was set at 1-gram force (gf) with vessels being left static to equilibrate for duration of one hour. Baseline contractile reactions to 40 mmol/L KCl were obtained from a resting tension of 1 gf. Contractile reactions to 40 mmol/L KCl were then obtained from stepwise increases in resting tension (1.2, 1.4, 1.6, 1.8 and 2.0 gf).
RESULTS Twenty PA rings of internal diameter between 2-4 mm were prepared from 4 patients. In human PA rings incrementing the tension during rest stance by 0.6 gf, up to 1.6 gf significantly augmented the 40 mmol/L KCl stimulated tension. Further enhancement of active tension by 0.4 gf, up to 2.0 gf mitigate the 40 mmol/L KCl stimulated reaction. Both Myograph and the organ bath demonstrated identical conclusions, supporting that the radial optimal resting tension for human PA ring was 1.61 g.
CONCLUSION The radial optimal resting tension in our experiment is 1.61 gf (15.78 mN) for human PA rings.
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89
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Kusumbe AP. Vascular niches for disseminated tumour cells in bone. J Bone Oncol 2016; 5:112-116. [PMID: 27761369 PMCID: PMC5063228 DOI: 10.1016/j.jbo.2016.04.003] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Revised: 04/21/2016] [Accepted: 04/22/2016] [Indexed: 11/26/2022] Open
Abstract
The vasculature of the skeletal system regulates osteogenesis and hematopoiesis, in addition to its primary function as a transportation network. Recent studies suggest that the vasculature in bone regulates multiple steps involved in the metastatic cascade. Matrix and growth factor abundant vascular microenvironments in bone not only provide a fertile soil for the metastatic growth but also support the dormancy of Disseminated Tumour Cells (DTCs). Interestingly, vasculature also seems to direct the reactivation of dormant DTCs. Targeting such early steps of bone metastasis by directing therapies against vascular niches can lead to the development of effective therapeutic strategies that delay or even prevent the metastatic relapse. However, this would require a detailed understanding of the regulatory mechanisms that govern the interaction between endothelial cells and DTCs in the early stages of bone metastasis. This review aims to highlight the importance of vascular niches and outline their newly identified roles during bone metastasis.
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Affiliation(s)
- Anjali P. Kusumbe
- Kennedy Institute of Rheumatology, University of Oxford, Roosevelt Drive, Headington, Oxford OX3 7FY, UK
- Max-Planck-Institute for Molecular Biomedicine and University of Münster, D–48149 Münster, Germany
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90
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Satyamitra MM, DiCarlo AL, Taliaferro L. Understanding the Pathophysiology and Challenges of Development of Medical Countermeasures for Radiation-Induced Vascular/Endothelial Cell Injuries: Report of a NIAID Workshop, August 20, 2015. Radiat Res 2016; 186:99-111. [PMID: 27387859 DOI: 10.1667/rr14436.1] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
After the events of September 11, 2001, a decade of research on the development of medical countermeasures (MCMs) to treat victims of a radiological incident has yielded two FDA-approved agents to mitigate acute radiation syndrome. These licensed agents specifically target the mitigation of radiation-induced neutropenia and infection potential, while the ramifications of the exposure event in a public health emergency incident could include the entire body, causing additional acute and/or delayed organ/tissue injuries. Anecdotal data as well as recent findings from both radiation accident survivors and animal experiments implicate radiation-induced injury or dysfunction of the vascular endothelium leading to tissue and organ injuries. There are significant gaps in our understanding of the disease processes and progression, as well as the optimum approaches to develop medical countermeasures to mitigate radiation vascular injury. To address this issue, the Radiation and Nuclear Countermeasures Program of the National Institute of Allergy and Infectious Diseases (NIAID) organized a one-day workshop to examine the current state of the science in radiation-induced vascular injuries and organ dysfunction, the natural history of the pathophysiology and the product development maturity of potential medical countermeasures to treat these injuries. Meeting presentations were followed by a NIAID-led open discussion among academic investigators, industry researchers and government agency representatives. This article provides a summary of these presentations and subsequent discussion from the workshop.
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Affiliation(s)
- Merriline M Satyamitra
- Division of Allergy Immunology and Transplantation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, Maryland 20852
| | - Andrea L DiCarlo
- Division of Allergy Immunology and Transplantation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, Maryland 20852
| | - Lanyn Taliaferro
- Division of Allergy Immunology and Transplantation, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Rockville, Maryland 20852
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91
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Chistiakov DA, Sobenin IA, Orekhov AN, Bobryshev YV. Human miR-221/222 in Physiological and Atherosclerotic Vascular Remodeling. BIOMED RESEARCH INTERNATIONAL 2015; 2015:354517. [PMID: 26221589 PMCID: PMC4499635 DOI: 10.1155/2015/354517] [Citation(s) in RCA: 125] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 10/29/2014] [Indexed: 12/11/2022]
Abstract
A cluster of miR-221/222 is a key player in vascular biology through exhibiting its effects on vascular smooth muscle cells (VSMCs) and endothelial cells (ECs). These miRNAs contribute to vascular remodeling, an adaptive process involving phenotypic and behavioral changes in vascular cells in response to vascular injury. In proliferative vascular diseases such as atherosclerosis, pathological vascular remodeling plays a prominent role. The miR-221/222 cluster controls development and differentiation of ECs but inhibits their proangiogenic activation, proliferation, and migration. miR-221/222 are primarily implicated in maintaining endothelial integrity and supporting quiescent EC phenotype. Vascular expression of miR-221/222 is upregulated in initial atherogenic stages causing inhibition of angiogenic recruitment of ECs and increasing endothelial dysfunction and EC apoptosis. In contrast, these miRNAs stimulate VSMCs and switching from the VSMC "contractile" phenotype to the "synthetic" phenotype associated with induction of proliferation and motility. In atherosclerotic vessels, miR-221/222 drive neointima formation. Both miRNAs contribute to atherogenic calcification of VSMCs. In advanced plaques, chronic inflammation downregulates miR-221/222 expression in ECs that in turn could activate intralesion neoangiogenesis. In addition, both miRNAs could contribute to cardiovascular pathology through their effects on fat and glucose metabolism in nonvascular tissues such as adipose tissue, liver, and skeletal muscles.
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Affiliation(s)
- Dmitry A. Chistiakov
- Department of Medical Nanobiotechnology, Pirogov Russian State Medical University, Moscow 117997, Russia
- The Mount Sinai Community Clinical Oncology Program, Mount Sinai Comprehensive Cancer Center, Mount Sinai Medical Center, Miami Beach, FL 33140, USA
| | - Igor A. Sobenin
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Russian Academy of Sciences, Moscow 125315, Russia
- Laboratory of Medical Genetics, Russian Cardiology Research and Production Complex, Moscow 121552, Russia
| | - Alexander N. Orekhov
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Russian Academy of Sciences, Moscow 125315, Russia
- Institute for Atherosclerosis Research, Skolkovo Innovative Center, Moscow 121609, Russia
| | - Yuri V. Bobryshev
- Laboratory of Angiopathology, Institute of General Pathology and Pathophysiology, Russian Academy of Sciences, Moscow 125315, Russia
- Faculty of Medicine and St Vincent's Centre for Applied Medical Research, University of New South Wales, Sydney, NSW 2052, Australia
- School of Medicine, University of Western Sydney, Campbelltown, NSW 2560, Australia
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92
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Abstract
Evaluation of the effects of a drug on arterial blood pressure is important in nonclinical safety pharmacology assessment. Detecting large and obvious changes in blood pressure is an unchallenging task. Detecting small changes is more difficult, and interpretation of findings requires careful risk/benefit evaluation. Detecting subtle and small changes in blood pressure is important in particular with respect to increases, since blood pressure above the normal range is associated with increased risk of stroke and sudden cardiac death. Cardiovascular safety pharmacology has been preoccupied with drug-induced changes in the electrocardiogram, and by comparison, there has been little in the way of contemporaneous improvements in the level of complexity and sophistication involved in blood pressure assessment. Thus, it is important to understand the nature of drug-induced changes in blood pressure, appreciate the plethora of agents currently used clinically (and over the counter) that alter blood pressure and understand safety pharmacology study design in order to optimize assessment of a new chemical entity (NCE) or biologic agent in this context.
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Affiliation(s)
- Simon Authier
- CiToxLAB North America, 445, Armand-Frappier Boul, Laval, QC, Canada, H7V 4B3,
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93
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Wellbrock J, Sheikhzadeh S, Oliveira-Ferrer L, Stamm H, Hillebrand M, Keyser B, Klokow M, Vohwinkel G, Bonk V, Otto B, Streichert T, Balabanov S, Hagel C, Rybczynski M, Bentzien F, Bokemeyer C, von Kodolitsch Y, Fiedler W. Overexpression of Gremlin-1 in patients with Loeys-Dietz syndrome: implications on pathophysiology and early disease detection. PLoS One 2014; 9:e104742. [PMID: 25116393 PMCID: PMC4130545 DOI: 10.1371/journal.pone.0104742] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2014] [Accepted: 07/14/2014] [Indexed: 11/23/2022] Open
Abstract
Backgrounds The Loeys-Dietz syndrome (LDS) is an inherited connective tissue disorder caused by mutations in the transforming growth factor β (TGF-β) receptors TGFBR1 or TGFBR2. Most patients with LDS develop severe aortic aneurysms resulting in early need of surgical intervention. In order to gain further insight into the pathophysiology of the disorder, we investigated circulating outgrowth endothelial cells (OEC) from the peripheral blood of LDS patients from a cohort of 23 patients including 6 patients with novel TGF-β receptor mutations. Methods and Results We performed gene expression profiling of OECs using microarray analysis followed by quantitative PCR for verification of gene expression. Compared to OECs of age- and sex-matched healthy controls, OECs isolated from three LDS patients displayed altered expression of several genes belonging to the TGF-β pathway, especially those affecting bone morphogenic protein (BMP) signalling including BMP2, BMP4 and BMPR1A. Gene expression of BMP antagonist Gremlin-1 (GREM1) showed the most prominent up-regulation. This increase was confirmed at the protein level by immunoblotting of LDS-OECs. In immunohistochemistry, abundant Gremlin-1 protein expression could be verified in endothelial cells as well as smooth muscle cells within the arterial media. Furthermore, Gremlin-1 plasma levels of LDS patients were significantly elevated compared to healthy control subjects. Conclusions These findings open new avenues in the understanding of the pathogenesis of Loeys-Dietz syndrome and the development of new diagnostic serological methods for early disease detection.
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Affiliation(s)
- Jasmin Wellbrock
- Hubertus Wald University Cancer Centre, Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
- * E-mail:
| | - Sara Sheikhzadeh
- Center of Cardiology and Cardiovascular Surgery, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Leticia Oliveira-Ferrer
- Hubertus Wald University Cancer Centre, Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Hauke Stamm
- Hubertus Wald University Cancer Centre, Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Mathias Hillebrand
- Center of Cardiology and Cardiovascular Surgery, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Britta Keyser
- Institute of Human Genetics, Hannover Medical School, Hannover, Germany
| | - Marianne Klokow
- Hubertus Wald University Cancer Centre, Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Gabi Vohwinkel
- Hubertus Wald University Cancer Centre, Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Veronika Bonk
- Hubertus Wald University Cancer Centre, Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Benjamin Otto
- Department of Clinical Chemistry/Central Laboratories, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Thomas Streichert
- Department of Clinical Chemistry/Central Laboratories, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Stefan Balabanov
- Hubertus Wald University Cancer Centre, Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
- Division of Hematology, University Hospital Zurich, Zurich, Switzerland
| | - Christian Hagel
- Institute for Neuropathology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Meike Rybczynski
- Center of Cardiology and Cardiovascular Surgery, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Frank Bentzien
- Department of Transfusion Medicine, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Carsten Bokemeyer
- Hubertus Wald University Cancer Centre, Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Yskert von Kodolitsch
- Center of Cardiology and Cardiovascular Surgery, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
| | - Walter Fiedler
- Hubertus Wald University Cancer Centre, Department of Oncology, Hematology and Bone Marrow Transplantation with section Pneumology, University Medical Centre Hamburg-Eppendorf, Hamburg, Germany
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94
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Rizzoli R, Body JJ, Brandi ML, Cannata-Andia J, Chappard D, El Maghraoui A, Glüer CC, Kendler D, Napoli N, Papaioannou A, Pierroz DD, Rahme M, Van Poznak CH, de Villiers TJ, El Hajj Fuleihan G. Cancer-associated bone disease. Osteoporos Int 2013; 24:2929-53. [PMID: 24146095 PMCID: PMC5104551 DOI: 10.1007/s00198-013-2530-3] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Accepted: 09/25/2013] [Indexed: 12/11/2022]
Abstract
Bone is commonly affected in cancer. Cancer-induced bone disease results from the primary disease, or from therapies against the primary condition, causing bone fragility. Bone-modifying agents, such as bisphosphonates and denosumab, are efficacious in preventing and delaying cancer-related bone disease. With evidence-based care pathways, guidelines assist physicians in clinical decision-making. Of the 57 million deaths in 2008 worldwide, almost two thirds were due to non-communicable diseases, led by cardiovascular diseases and cancers. Bone is a commonly affected organ in cancer, and although the incidence of metastatic bone disease is not well defined, it is estimated that around half of patients who die from cancer in the USA each year have bone involvement. Furthermore, cancer-induced bone disease can result from the primary disease itself, either due to circulating bone resorbing substances or metastatic bone disease, such as commonly occurs with breast, lung and prostate cancer, or from therapies administered to treat the primary condition thus causing bone loss and fractures. Treatment-induced osteoporosis may occur in the setting of glucocorticoid therapy or oestrogen deprivation therapy, chemotherapy-induced ovarian failure and androgen deprivation therapy. Tumour skeletal-related events include pathologic fractures, spinal cord compression, surgery and radiotherapy to bone and may or may not include hypercalcaemia of malignancy while skeletal complication refers to pain and other symptoms. Some evidence demonstrates the efficacy of various interventions including bone-modifying agents, such as bisphosphonates and denosumab, in preventing or delaying cancer-related bone disease. The latter includes treatment of patients with metastatic skeletal lesions in general, adjuvant treatment of breast and prostate cancer in particular, and the prevention of cancer-associated bone disease. This has led to the development of guidelines by several societies and working groups to assist physicians in clinical decision making, providing them with evidence-based care pathways to prevent skeletal-related events and bone loss. The goal of this paper is to put forth an IOF position paper addressing bone diseases and cancer and summarizing the position papers of other organizations.
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Affiliation(s)
- R Rizzoli
- Division of Bone Diseases, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland,
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95
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[Bone modeling and remodeling during osseointegration]. ACTA ACUST UNITED AC 2013; 114:159-65. [PMID: 23827269 DOI: 10.1016/j.revsto.2013.01.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2013] [Accepted: 01/23/2013] [Indexed: 11/21/2022]
Abstract
Modeling is a group of cellular activities implicating osteoblasts in the development of various skeletal bones in the embryo and fetus. Remodeling is a complex adaptive process involving the coordinated action of osteoblasts and osteoclasts. It occurs once the skeleton is mature. Intercellular signaling pathways involve a great number of cytokines and growth factors. However, bone modeling, occurring by direct action of osteoblasts without prior action of osteoclasts, can occur in some circumstances, especially when in contact with biomaterials such as implants and grafted materials. We reviewed the basic concepts of cell coupling and the microscopic aspects of transition from modeling to remodeling in direct contact with dental implants and biomaterials. Bone quality is greatly improved by remodeling which is associated with the deposit of lamellar bone, the biomechanical properties of which are superior to those of non-lamellar bone formed by modeling.
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96
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Wei Y, Schober A, Weber C. Pathogenic arterial remodeling: the good and bad of microRNAs. Am J Physiol Heart Circ Physiol 2013; 304:H1050-9. [PMID: 23396454 DOI: 10.1152/ajpheart.00267.2012] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A number of cardiovascular diseases, such as restenosis, aneurysm, and atherosclerosis, lead to vascular remodeling associated with complex adaptive reactions of different cell populations. These reactions include growth of smooth muscle cells, proliferation of endothelial cells, and the inflammatory response of macrophages. MicroRNAs (miRNAs), a class of short RNAs, play key roles in various biological processes and in the development of human disease by post-transcriptional regulation of gene expression. Here, we review the molecular mechanisms of a subset of miRNAs involved in vascular remodeling, including miR-143/145, miR-221/222, miR-126, miR-21, and miR-155. Some of these miRNAs, such as miR-143/145 and miR-126, have been shown to be protective during vascular remodeling, whereas others, such as miR-21, may promote the cellular response that leads to neointima formation. The increasing knowledge regarding the roles of miRNAs in vascular remodeling opens novel avenues for the treatment of various cardiovascular diseases. However, more in vivo studies on the functional roles of these miRNAs are required in the future.
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Affiliation(s)
- Yuanyuan Wei
- Institute for Cardiovascular Prevention, Ludwig-Maximilians University Munich, Munich, Germany
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97
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Knopfová L, Beneš P, Pekarčíková L, Hermanová M, Masařík M, Pernicová Z, Souček K, Smarda J. c-Myb regulates matrix metalloproteinases 1/9, and cathepsin D: implications for matrix-dependent breast cancer cell invasion and metastasis. Mol Cancer 2012; 11:15. [PMID: 22439866 PMCID: PMC3325857 DOI: 10.1186/1476-4598-11-15] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2011] [Accepted: 03/23/2012] [Indexed: 12/11/2022] Open
Abstract
Background The c-Myb transcription factor is essential for the maintenance of stem-progenitor cells in bone marrow, colon epithelia, and neurogenic niches. c-Myb malfunction contributes to several types of malignancies including breast cancer. However, the function of c-Myb in the metastatic spread of breast tumors remains unexplored. In this study, we report a novel role of c-Myb in the control of specific proteases that regulate the matrix-dependent invasion of breast cancer cells. Results Ectopically expressed c-Myb enhanced migration and ability of human MDA-MB-231 and mouse 4T1 mammary cancer cells to invade Matrigel but not the collagen I matrix in vitro. c-Myb strongly increased the expression/activity of cathepsin D and matrix metalloproteinase (MMP) 9 and significantly downregulated MMP1. The gene coding for cathepsin D was suggested as the c-Myb-responsive gene and downstream effector of the migration-promoting function of c-Myb. Finally, we demonstrated that c-Myb delayed the growth of mammary tumors in BALB/c mice and affected the metastatic potential of breast cancer cells in an organ-specific manner. Conclusions This study identified c-Myb as a matrix-dependent regulator of invasive behavior of breast cancer cells.
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Affiliation(s)
- Lucia Knopfová
- Department of Experimental Biology, Faculty of Science, Masaryk University, and International Clinical Research Center, CBCE, St. Anne's University Hospital, Brno, Czech Republic
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98
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Gavel N, Edel A, Bassett C, Weber A, Merchant M, Rodriguez-Leyva D, Pierce G. The effect of dietary hempseed on atherogenesis and contractile function in aortae from hypercholesterolemic rabbits. ACTA ACUST UNITED AC 2011; 98:273-83. [DOI: 10.1556/aphysiol.98.2011.3.4] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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99
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Chappard D, Bouvard B, Baslé MF, Legrand E, Audran M. Bone metastasis: histological changes and pathophysiological mechanisms in osteolytic or osteosclerotic localizations. A review. Morphologie 2011; 95:65-75. [PMID: 21620753 DOI: 10.1016/j.morpho.2011.02.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The development of a bone metastasis involves interactions between the tumor cells, the bone marrow microenvironment and the bone cells themselves. A better understanding of the pathophysiological changes occurring in bone metastasis can be obtained from histopathological examination of invaded specimens. This review focuses on the main molecular mechanisms implied in the localization and growth of malignant cells in the bone marrow. The corresponding histologic developmental stages are illustrated both in osteolytic (or mixed metastasis) or in the osteosclerotic forms by histological analysis, immunohistochemistry and microcomputed tomographic analysis of bone samples. In both cases, the malignant cells find a "fertile soil" in the bone marrow microenvironment. They use the growth factors released by bone cells for the coupling between osteoclasts/osteoblasts to promote their own development. In turn, they elaborate a variety of cytokines that can promote osteoclastogenesis (PTHrP, IL-1, IL-6…) or on the contrary, other growth factors that can boost the osteoblastic activity (ET1, IGFs). A "vicious circle" occurs between the malignant cells and the bone cells leading to the radiological expression of the metastasis.
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Affiliation(s)
- D Chappard
- U922-LHEA, Inserm, IRIS-IBS institut de biologie en santé, CHU d'Angers, 49933 Angers cedex, France.
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100
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Three-dimensional characterization of the vascular bed in bone metastasis of the rat by microcomputed tomography (MicroCT). PLoS One 2011; 6:e17336. [PMID: 21464932 PMCID: PMC3065464 DOI: 10.1371/journal.pone.0017336] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2010] [Accepted: 01/29/2011] [Indexed: 11/19/2022] Open
Abstract
Background Angiogenesis contributes to proliferation and metastatic dissemination of cancer cells. Anatomy of blood vessels in tumors has been characterized with 2D techniques (histology or angiography). They are not fully representative of the trajectories of vessels throughout the tissues and are not adapted to analyze changes occurring inside the bone marrow cavities. Methodology/Principal Findings We have characterized the vasculature of bone metastases in 3D at different times of evolution of the disease. Metastases were induced in the femur of Wistar rats by a local injection of Walker 256/B cells. Microfil®, (a silicone-based polymer) was injected at euthanasia in the aorta 12, 19 and 26 days after injection of tumor cells. Undecalcified bones (containing the radio opaque vascular casts) were analyzed by microCT, and a first 3D model was reconstructed. Bones were then decalcified and reanalyzed by microCT; a second model (comprising only the vessels) was obtained and overimposed on the former, thus providing a clear visualization of vessel trajectories in the invaded metaphysic allowing quantitative evaluation of the vascular volume and vessel diameter. Histological analysis of the marrow was possible on the decalcified specimens. Walker 256/B cells induced a marked osteolysis with cortical perforations. The metaphysis of invaded bones became progressively hypervascular. New vessels replaced the major central medullar artery coming from the diaphyseal shaft. They sprouted from the periosteum and extended into the metastatic area. The newly formed vessels were irregular in diameter, tortuous with a disorganized architecture. A quantitative analysis of vascular volume indicated that neoangiogenesis increased with the development of the tumor with the appearance of vessels with a larger diameter. Conclusion This new method evidenced the tumor angiogenesis in 3D at different development times of the metastasis growth. Bone and the vascular bed can be identified by a double reconstruction and allowed a quantitative evaluation of angiogenesis upon time.
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