I. P. Savchenkova

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Two cell populations with a phenotype similar to that of mesenchymal stem cells (MSC) with different characteristics for expression of surface antigene CD34 were derived from subcutaneous fat. CD34-positive cells were derived from subcutaneous fat of the inferior eyelid obtained during transconjuctival blepharoplasty. CD34-negative cells were derived from(More)
Populations of human mesenchymal stem cells were derived from bone marrow and adipose tissue. Here analysis of six individuals is represented. Cells were isolated, expanded and evaluated by the expression of surface antigens using flow cytometry. These cells displayed similar characteristics for many markers. Cells isolated from bone marrow and adipose(More)
Cellular populations with phenotypes similar to multipotent mesenchymal stromal cells were isolated from two different sources, including human bone marrow (BM) and subcutaneous adipose tissue (SAT). Comparative analysis of the efficiency of differentiation in the direction of osteogenesis has revealed morphological changes confirmed by staining with(More)
A cell population with characteristics of multipotent mesenchymal stromal cells (MMSCs) was isolated from human subcutaneous adipose tissue (SAT) submitted to a deep freezing (at −70°C) without cryoprotector. Under critical conditions for tissue, the cells retained their viability in vitro and were adhesive to plastic. The cell population was characterized(More)
Maintenance of the phenotype of spermatogenic stem cells in vitro depends on the microenvironment and a number of factors. Culturing boar type A1–A4 spermatogonia on the STO feeder layer and addition to the growth medium of a conditioned medium containing DIA/LIF led over the course of 3–4 weeks to the formation of colonies which had morphology similar to(More)
A cell population enriched with type A spermatogonia has been isolated from the boar testes. Cell types occurring during isolation were morphologically characterized, factors maintaining the cultured spermatogonia in the undifferentiated state were studied, and these cells were transferred to sterile recipients preliminarily treated with busulfan. The cells(More)
A cell population enriched with type A spermatogonia has been isolated from the boar testes. Cell types occurring during isolation were morphologically characterized, factors maintaining the cultured spermatogonia in the undifferentiated state were studied, and these cells were transferred to sterile recipients preliminarily treated with busulfan. The cells(More)
Embryonic stem (ES) cells derived from pluripotent cells of the early mouse embryos provide a powerful tool for genome manipulation in mammals. Conditions for maintaining and preservation of pluripotent properties of embryonic stem (ES) cells in culture using different tests are described. A simple aggregation of pluripotent ES cells with morulae-stage(More)
Bone marrow multipotent mesenchymal stromal cells show considerable promise for the engineering of human three-dimensional transplants of cartilage tissue. We demonstrated the directed differentiation of BM MMSC in cells of cartilage tissue by culturing them in OPLA polymer three-dimensional scaffolds in a medium with chondrogenesis inducers. Cells were(More)
Mutant clones of hepatocarcinoma cell line PLC-PRF-5 containing integrated hepatitis B virus genome were derived by multistep selection for resistance to some toxic agents. These clones were found to display various stages of cell differentiation according to growth rate, ability to synthesize alpha-fetoprotein, to grow in semisolid medium and to cloning in(More)