نتایج جستجو برای: blastema tissue
تعداد نتایج: 918684 فیلتر نتایج به سال:
objective(s): throughout evolution, mammalians have increasingly lost their ability to regenerate structures however rabbits are exceptional since they develop a blastema in their ear wound for regeneration purposes. blastema consists of a group of undifferentiated cells capable of dividing and differentiating into the ear tissue. the objective of the present study is to isolate, culture expand...
Objective(s): Throughout evolution, mammalians have increasingly lost their ability to regenerate structures however rabbits are exceptional since they develop a blastema in their ear wound for regeneration purposes. Blastema consists of a group of undifferentiated cells capable of dividing and differentiating into the ear tissue. The objective of the present study is to isolate, culture expa...
Tissue engineering is based on three main factors including scaffolds, cells and growth factors. Natural scaffolds derived from decellularized tissues and organs have been successfully used in tissue engineering. Decellularization studies have shown that natural scaffolds which maintaine their main structure and properties could be a suitable tool for studying cellular behaviors and preparation...
Background: Increasing number of patients facing end-organ failure, as well as the therapeutic challenges surrounding allotransplantation, has catalyzed the evolution of tissue engineering and regenerative medicine. The successful recapitulation of development requires choosing an ideal scaffold material as a mediator of biochemical and biophysical signals. The extracellular matrix (ECM) functi...
tissue engineering is based on three main factors including scaffolds, cells and growth factors. natural scaffolds derived from decellularized tissues and organs have been successfully used in tissue engineering. decellularization studies have shown that natural scaffolds which maintaine their main structure and properties could be a suitable tool for studying cellular behaviors and preparation...
Rabbits have the capacity to regenerate holes in their ears by forming a blastema, a tissue that is made up of a group of undifferentiated cells. The purpose of the present study was to isolate and characterize blastema progenitor cells and compare them with marrow mesenchymal stem cells (MSCs). Five New Zealand white male rabbits were used in the present study. A 2-mm hole was created in the a...
objective: the bioscaffold can be used in tissue engineering and regenerative medicine. the scaffolds used in tissue engineering must have high porosity to facilitate accelerated angiogenesis for feeding cells and repelling cell waste outside the scaffold. in this experimental study, we attempted to produce lung three-dimensional scaffold and assay its effect on cell penetration and migration. ...
Background and Objectives: Retinoic acid has a major role in a variety of biological processes including growth and differentiation. One of these effects is epithelialization seen in blastema tissue exposed to different concentration of retinoic acid, due to its embryo-like cells. The main objective of this research was to investigate an experimental studies of employed different concentratio...
While human and other mammals are limited in their abilities to regenerate, amphibians, including salamander species such as the axolotl (Ambystoma mexicanum), highly regenerative. Contrary prevailing notion that healing via embryonic-like regeneration necessarily requires a specialized “blastema” tissue, we show axolotls regenerate new skin with anatomically complex secretory glands without bl...
results migration of cells started on the fifth day. as a result of this migration, most cells were located on the surface of the scaffold and formed epiderm-like structure and some penetrated into the scaffold. by day 25, cells which had penetrated into the scaffold had various destinies such as becoming elongated spindle-shaped cells and creating blood vessel-like structures. conclusions adm ...
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