Control of Adult Stem Cell Function in Bioengineered in vitro Niches
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The aim of this investigation was to test the biocompatibility of three-dimensional bioresorbable foams made of poly(L-lactic acid) (PLA), alone or filled with hydroxyapatite (HA) or beta-tricalcium phosphate (beta-TCP), with human primary osteoblasts, usi ...
In self-renewing tissues such as the skin epidermis and the bone marrow, Myc proteins control differentiation of stem cells and proliferation of progenitor cell types. In the epithelium of the small intestine, we show that c-Myc and N-Myc are expressed in ...
The murine embryonal stem (ES) cell virus (MESV) can express transgenes from the long terminal repeat (LTR) promoter/enhancer in undifferentiated ES cells, but expression is turned off upon differentiation to embryoid bodies (EBs) and hematopoietic cells i ...
Changes in the production of reactive oxygen species and total superoxide dismutase activity have been observed during differentiation of some hematopoietic cells. We therefore investigated whether the steady-state level and rate of transcription of supero ...
We envision the use of human fetal bone cells for engineered regeneration of adult skeletal tissue. A description of their cellular function is then necessary. To our knowledge, there is no description of human primary fetal bone cells treated with differe ...
The encapsulation of genetically modified cells represents a promising approach for the delivery of therapeutic proteins. The functionality of the device is dependent on the characteristics of the biomaterials, the procedures used in its confection and the ...
The ability of lentiviral vectors to transfer genes into human hematopoietic stem cells was studied, using a human immunodeficiency virus 1 (HIV-1)-derived vector expressing the green fluorescence protein (GFP) downstream of the phosphoglycerate kinase (PG ...
We have recently reported the attachment and spreading of human umbilical vein endothelial cells (HUVECs) upon substrates containing covalently grafted Arg-Glu-Asp-Val (REDV) peptide (Hubbell, J. A., Massia, S. P., Desai, N. P., and Drumheller, P. D. (1991 ...
The article presents a simple method for the automatic recognition and hinting of character structure elements such as horizontal and vertical stems. Stem recognition is based on successive steps such as extraction of straight or nearly straight contour se ...
The activity of adult stem cells is essential to replenish mature cells constantly lost due to normal tissue turnover. By a poorly understood mechanism, stem cells are maintained through self-renewal while concomitantly producing differentiated progeny. He ...
