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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)
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)
The volume-persistent survival of transplanted adipose tissue in vivo relies on early vascularization, due to an otherwise early induction of apoptosis of the centrally located cells. Thus, one way to enable the early formation of a capillary network resulting in a sufficient perfusion of the transplanted construct might be the co-transplantation of(More)
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 donor site(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)
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)
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 concerning the(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, numerous surgical techniques have been described for breast augmentation. In addition to the very popular inframammary and the periareolar approaches, the transaxillary technique provides an elegant means of conducting a safe and accurate implant placement without producing visible scars on the breast mound. Due to a questionable(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)