A Current View of Functional Biomaterials for Wound Care, Molecular and Cellular Therapies
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The differentiation of fibroblasts to contractile myofibroblasts, which is characterized by de novo expression of alpha-smooth muscle actin (alpha-SMA), is crucial for wound healing and a hallmark of tissue scarring and fibrosis. These processes often foll ...
Fibroblast-to-myofibroblast differentiation - a key event in the development of fibrocontractive diseases and in wound granulation tissue contraction - is hallmarked by the formation of stress fibers and the neo-expression of alpha-smooth muscle actin. Inc ...
Formation of new vessels in granulation tissue during wound healing has been assumed to occur solely through sprouting angiogenesis. In contrast, we show here that neovascularization can be accomplished by nonangiogenic expansion of preexisting vessels. Us ...
Ischemic wounds are characterized by oxygen levels lower than that of healthy skin ( hypoxia) and poor healing. To better understand the pathophysiology of impaired wound healing, we investigated how switching from high ( 21%) to low ( 2%) oxygen levels di ...
During the last 40 years a focus in research was put on sutureless tissue fusion, to handle the limits of conventional suturing such as vascular wall damage due to the enetrating needle, intraluminal foreign body reactions caused by non-absorbable suture m ...
We studied the mechanisms underlying the severely impaired wound healing associated with human leukocyte-adhesion deficiency syndrome-1 (LAD1) using a murine disease model. In CD18(-/-) mice, healing of full-thickness wounds was severely delayed during gra ...
In insects the enzyme phenoloxidase (PO) catalyzes melanin deposition at the wound site and around parasitoid eggs. Its proenzyme prophenoloxidase (proPO) is proteolytically cleaved to active phenoloxidase by a cascade consisting of serine proteases and in ...
An increasing number of patients are being treated with growth hormone (GH) for the enhancement of body growth but also as an anti-aging strategy. However, the side effects of GH have been poorly defined. In this study we determined the effect of GH on wou ...
American Society for Biochemistry and Molecular Biology2004
This report will focus on creation of nanostructured PDMS surfaces with tunable feature dimensions and periodicities, and the use of these surfaces to study the influence of nanotopography on cell-substrate interactions. The topography on surfaces is known ...
For tissue engineering, several cell types and tissues have been proposed as starting material. Allogenic skin products available for therapeutic usage are mostly developed with cell culture and with foreskin tissue of young individuals. Fetal skin cells o ...