نتایج جستجو برای: cardiac tissue explants
تعداد نتایج: 1161803 فیلتر نتایج به سال:
BACKGROUND Obesity is associated with prostate cancer aggressiveness and mortality. The contribution of periprostatic adipose tissue, which is often infiltrated by malignant cells, to cancer progression is largely unknown. Thus, this study aimed to determine if periprostatic adipose tissue is linked with aggressive tumor biology in prostate cancer. METHODS Supernatants of whole adipose tissue...
RATIONALE The relative actions and synergism between distinct myocardial-derived stem cell populations remain obscure. Ongoing debates on optimal cell population(s) for treatment of heart failure prompted implementation of a protocol for isolation of multiple stem cell populations from a single myocardial tissue sample to develop new insights for achieving myocardial regeneration. OBJECTIVE E...
ÐWe have established a new test concept for in vitro pharmacological trials. Our model employs tissue explants to test compounds for toxicity which arises with the metabolic interactions among dierent cell types. Microsurgical preparation of tissue explants avoids the destruction of the organ-speci®c tissue architecture. Explants were mounted in tissue carriers to improve nutrition and handlin...
We had previously demonstrated the feasibility of preparing a centimeter-sized bone tissue construct by following a modular approach. In the present study, the objectives were to evaluate osteogenesis and tissue formation of human amniotic mesenchymal stem cells-laden CultiSpher S microcarriers during in vitro perfusion culture and after subcutaneous implantation. Microtissues were prepared in ...
Many of the therapeutic interventions for intervertebral disc degeneration attempt to repopulate the nucleus pulposus (NP) tissue; however, NP cells are heterogeneous and not well characterized. To address this, we have investigated the morphology, extracellular gene and protein expression, and apoptosis changes in NP explants cultured in vitro with or without chondrogenic reagents for differen...
In order to enhance the system of potato transformation and further regeneration, four potato cultivars were transformed using the Agrobacterium tumefaciens harboring â-glucuronidase (GUS) gene.The results revealed that the highest percentages of shoot formation obtained were for Spunta cv. Stem explants resulted in more callus and regeneration after transformation and selection than leaf expla...
In order to study anteroposterior neural patterning in Xenopus embryos, we have developed a novel assay using explants and tissue recombinants of early neural plate. We show, by using region-specific neural markers and lineage tracing, that posterior axial tissue induces midbrain and hindbrain fates from prospective forebrain. The growth factor bFGF mimics the effect of the posterior dorsal exp...
OBJECTIVE To examine the effect of beta-aminopropionitrile (BAPN), an inhibitor of lysyl oxidase, on growth and remodeling of immature articular cartilage in vitro. DESIGN Immature bovine articular cartilage explants from the superficial and middle layers were cultured for 13 days in serum-containing medium with or without BAPN. Variations in tissue size, accumulation of proteoglycan and coll...
four separate experiments were conducted to study the effects of factors controlling the establishment of explants from two walnut genotypes z60 and z63 (damavand). factors were explant type, sampling time, explant orientation on the growth medium and antioxidants type. the explants were collected from the collection garden of tooyserkan walnuts research station. four explant types (apical meri...
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