vascular tissue Articles
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Long-term performance of implanted bioprinted human liver tissue in a mouse model of human alpha-1 antitrypsin deficiency
Publication Summary: Conventional cell therapy and tissue engineering approaches to treating liver diseases and injury are limited by low cell retention, poor engraftment, poor graft durability and complications including portal hypertension. Integration of next generation technologies such as 3D bioprinting is an essential step towards the clinical success of these promising approaches and has ...
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An Early Study on the Mechanisms that Allow Tissue-Engineered Vascular Grafts to Resist Intimal Hyperplasia
Abstract : Intimal hyperplasia is one of the prominent failure mechanisms for arteriovenous fistulas and arteriovenous access grafts. Human tissue-engineered vascular grafts (TEVGs) were implanted as arteriovenous grafts in a novel baboon model. Ultrasound was used to monitor flow rates and vascular diameters throughout the study. Intimal hyperplasia in the outflow vein of TEVGs was assessed at ...
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Reconstruction of tissues affected by Pilonidal Sinus Disease
Highlights • AROA’s Myriad Matrix™ is further validated in a clinical study and peer-reviewed publication in Journal of Wound Care. • Study of six patients shows 100% success rates from use of Myriad Matrix™ as an implant during surgical reconstruction of soft tissues affected by Pilonidal Sinus Disease (PSD). • All patients healed well with no major complications ...
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Effect of endothelium mimicking self-assembled nanomatrices on cell adhesion and spreading of human endothelial cells and smooth muscle cells
Abstract The goal of this study is to develop unique native endothelium mimicking nanomatrices and evaluate their effects on adhesion and spreading of human umbilical vein endothelial cells (HUVECs) and aortic smooth muscle cells (AoSMCs). These nanomatrices were developed by self-assembly of peptide amphiphiles (PAs) through a solvent evaporation technique. Three PAs, one containing the ...
By Endomimetics
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The first CRISPR gene editing of vascular endothelium was made possible thanks to nanoparticles
The vascular endothelium is a single layer of endothelial cells that lines the surface of the vascular lumen, and it plays an important role in maintaining vascular homeostasis and tissue fluid balance. Many disorders, such as coronary artery disease, stroke, bronchopulmonary dysplasia, and pulmonary hypertension, are caused by endothelial dysfunction. Genome editing in endothelial cells can also ...
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Essential Facts about NovoSorb BTM
When trauma to the skin occurs, large areas of both the skin’s surface (epidermis) and deeper layers (dermis) may be destroyed. In many cases, large full-thickness wounds may require temporization due to the lack of suitable donor sites for primary skin grafting. Clinical research[1] indicates the temporization of deep, large wounds with dermal scaffolds can not only help provide ...
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Andrea Wolkenberg : Why Winback TECAR and Why Now?
As a physical therapist for over 40 years, I have developed a core set of values, chief among them is dedication to lifelong learning. And the more I learn the more I realize how much I don’t know it’s a humbling, frustrating, energizing, exciting and exhausting realization. But at the same time, the more I learn the more I realize how connected and integrated so many of the ...
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Five Year Outcomes in Patients with End Stage Renal Disease Who Received a Bioengineered Human Acellular Vessel for Dialysis Access
Objective: Patients with end stage renal failure who require haemodialysis suffer morbidity and mortality due to vascular access. Bioengineered human acellular vessels (HAVs) may provide a haemodialysis access option with fewer complications than other grafts. In a prospective phase II trial from 2012 to 2014 (NCT01744418), HAVs were implanted into 40 haemodialysis patients at three sites in ...
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Bioprinting Algae To Improve Tissue Oxygenation
Engineers often rely on Mother Nature to help solve difficult problems. After millions of years of evolution, living organisms such as plants, animals, and microbes have discovered how to survive in even the harshest of environments. Often times, organisms from different species are able to provide each other with the nutrients, resources, or protection that both need to prosper. We call ...
By Allevi, Inc.
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Bio-Ink: Printing the Future of Medicine and Beyond
Bio-ink is a revolutionary material that is rapidly changing the fields of medicine, tissue engineering, and even bioprinting food. This fascinating substance is essentially a type of ink made from living cells and other biocompatible materials that can be used to 3D print complex biological structures. What is Bio-Ink Made Of? The composition of bio-ink can vary depending on the desired ...
By Matexcel
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Arterial reconstruction with human bioengineered acellular blood vessels in patients with peripheral arterial disease
Abstract Objective: Vascular conduit is essential for arterial reconstruction for a number of conditions, including trauma and atherosclerotic occlusive disease. We have developed a tissue-engineered human acellular vessel (HAV) that can be manufactured, stored on site at hospitals, and be immediately available for arterial vascular reconstruction. Although the HAV is acellular when implanted, ...
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Uses of Recombinant Human Collagen
Collagen is the main structural protein in vertebrates. It plays an essential role in providing a scaffold for cellular support and thereby affecting cell attachment, migration, proliferation, differentiation, and survival. Natural animal collagen and its recombinant collagen are favorable replacements in human tissue engineering due to their remarkable biomedical property. However, this ...
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Susceptibility of ePTFE vascular grafts and bioengineered human acellular vessels to infection
Background: Synthetic expanded polytetrafluorethylene (ePTFE) grafts are routinely used for vascular repair and reconstruction but prone to sustained bacterial infections. Investigational bioengineered human acellular vessels (HAVs) have shown clinical success and may confer lower susceptibility to infection. Here we directly compared the susceptibility of ePTFE grafts and HAV to bacterial ...
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LimFlow Percutaneous Deep Venous Arterialization
What interested you in LimFlow, and how did you get involved in the PROMISE I trial? Dr. Clair: Practicing vascular surgery, where a number of patients are evaluated for chronic limb-threatening ischemia (CLTI), you are guaranteed to have patients who are not candidates for percutaneous or surgical revascularization. These patients often have arterial systems open or identifiable to the ankle, ...
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