نتایج جستجو برای: histocompatibility testing
تعداد نتایج: 360309 فیلتر نتایج به سال:
Articular cartilage was predicted to be one of the first tissues to successfully be regenerated, but this proved incorrect. In contrast, bone (but also vasculature and cardiac tissues) has seen numerous successful reparative approaches, despite consisting of multiple cell and tissue types and, thus, possessing more complex design requirements. Here, we use bone-regeneration successes to highlig...
Depending on the tissue microenvironment, T cells can differentiate into highly diverse subsets expressing unique trafficking receptors and cytokines. Studies of human lymphocytes have primarily focused on a limited number of parameters in blood, representing an incomplete view of the human immune system. Here, we have utilized mass cytometry to simultaneously analyze T cell trafficking and fun...
We have isolated a rat cDNA whose expression suppresses the physiological consequences of the chromosomal disruption of CAP, the gene encoding the adenylyl cyclase-associated protein of Saccharomyces cerevisiae. Yeast CAP is a bifunctional protein: the NH2 terminus is necessary and sufficient for cellular responsiveness to activated RAS proteins, while the COOH terminus is required for normal c...
BACKGROUND AND PURPOSE Optimizing high-grade glioma treatment requires the delineation of edematous and normal brain from tumor, perhaps by using potential differences in the absolute diffusion parameters of water. Our purpose was to determine whether mean diffusivity and diffusion anisotropic MR imaging data help in this differentiation. METHODS Nine patients with high-grade cerebral gli...
Diverse types of epithelial morphogenesis drive development. Similar cytoskeletal and cell adhesion machinery orchestrate these changes, but it is unclear how distinct tissue types are produced. Thus, it is important to define and compare different types of morphogenesis. We investigated cell flattening and elongation in the amnioserosa, a squamous epithelium formed at Drosophila gastrulation. ...
Optical phantoms are used in the development of various imaging systems. For certain applications, the development of thin phantoms that simulate the physical size and optical properties of tissue is important. Here, we demonstrate a method for producing thin phantom layers with tunable optical properties using poly(dimethylsiloxane) (PDMS) as a substrate material. The thickness of each layer (...
Motivation: Whole genome microarrays provide gene expression data taken from different wood tissues. An efficient and easily interpretable method is needed to assess co-regulation of adjacent genes. Results: The statistical analysis methods proposed here successfully analyzed the co-regulation of genes in several tissue types and detected different gene expression patterns. These methods can be...
Histocompatibility seems to play an important role in the regeneration of nerve allografts. Compatible tissue typed nerve allografts behave more like autografts and are, therefore, more readily accepted by the host tissue without producing evident tissue rejection. The influence of histocompatibility difference becomes more marked if the graft is longer than 30-40 mm. Irradiation as a means of ...
We propose a Medicare Demonstration Project to develop a standard acquisition charge for kidney paired donation. A new payment strategy is required because Medicare and commercial insurance companies may not directly pay living donor costs intended to lead to transplantation of a beneficiary of a different insurance provider. Until the 1970s, when organ procurement organizations were empowered ...
Considerable progress has been made in the last decade in the engineering and construction of a number of artificial tissue types. These constructs are typically viewed from the perspective of possible sources for implant and transplant materials in the clinical arena. However, incorporation of engineered tissues, often referred to as three-dimensional (3D) cell culture, also offers the possibi...
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