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We have developed a matrix-mediated transfection system to deliver plasmids to human keratinocytes. The matrix is a soluble, self-hardening fibrin matrix (Tissucol), Baxter) that has been used clinically. Recently it has been shown that full thickness burn wounds can be successfully treated with a keratinocyte fibrin glue suspension. Further, it has been(More)
A binary Z 2 Z 4-linear code is basically a combination of a linear code and a Z 4-linear code. Changing ones by twos in the Z 2 part, one can think that this is equivalent to a Z 4-linear code. However, by considering duality, we show that the situation is not equivalent. We will compute the parameters of dual codes, generator and parity check matrices for(More)
Detection of lymphatic endothelal cells (LECs) has been problematic because of the lack of specific markers. The homeobox transcription factor Prox1 is expressed in LECs of murine and avian embryos. We have studied expression of Prox1 in human tissues with immunofluorescence. In 19-wk-old human fetuses, Prox1 and vascular endothelial growth factor(More)
BACKGROUND Despite efforts of plastic surgeons in recent years to discover new alternatives, the techniques currently used for restoration of soft tissue defects still have disadvantages. The gold standard for soft tissue reconstruction remains autologous pedicled/free tissue transfer. This technique often results in high rates of operative morbidity and(More)
A volume-persistent culture of adipose tissue under in vivo conditions can be achieved only by early vascularization after cell transplantation. Cotransplantation of autologous preadipocytes with endothelial cells may enable the early formation of a capillary network. Investigations were performed in vivo in a specially adapted chorioallantoic membrane(More)
During the last decades breast augmentation has gained worldwide acceptance. In addition to the inframammary and periareolar approach for augmentation mammaplasty, the transaxillary route provides an elegant means of retaining the integrity of the breast mound by avoiding visible scars. Due to concerns as to the safety of this technique we analysed 47(More)
BACKGROUND Since its introduction, augmentation mammaplasty has gained widespread popularity, as demonstrated by the fact that an estimated 2 million women in the United States have received implants. During recent decades, several surgical approaches have evolved in terms of implant placement or site of access to the surgical plane. Debate has existed(More)
Tissue-engineering (TE) applications include the isolation, culture, and seeding of cells into a suitable matrix or scaffold before in vivo transplantation. After transplantation, vascularization of the scaffold is a principal limiting factor for cell viability for the first 6-8 days posttransplantation. A model for systematic analysis of this process has(More)
OBJECT The purpose of this study was to analyze therapeutic possibilities and clinical outcomes in patients with lumbosacral plexus injuries to develop surgical concepts of treatment. METHODS In a retrospective investigation 10 patients with injuries to the lumbosacral plexus were evaluated after surgery. The patients were assessed clinically,(More)
The successful substitution or augmentation of soft tissues by implantation of three dimensional cell constructs, consisting of human preadipocytes and fibrin glue as a carrier matrix, requires a rapid and homogeneous vascularization of the whole implant in order to provide a sufficient blood supply of centrally situated cells. Previous investigations have(More)