Coculture Techniques
Mostrando 1-10 de 10 artigos, teses e dissertações.
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1. Molecular approach to characterize ectomycorrhizae fungi from Mediterranean pine stands in Portugal
Stone pine (Pinus pinea L.), like other conifers, forms ectomycorrhizas (ECM), which have beneficial impact on plant growth in natural environments and forest ecosystems. An in vitro co-culture of stone pine microshoots with pure mycelia of isolated ECM sporocarps was used to overcome the root growth cessation not only in vitro but also to improve root devel
Braz. J. Microbiol.. Publicado em: 16/08/2013
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2. Influence of malignant mammary epithelial cells in gene expression of stromal cells from involved or uninvolved lymph nodes from breast cancer patients / Influência de células epiteliais mamárias malignas na expressão gênica de células estromais originárias de linfonodo axilar comprometido ou não comprometido de pacientes com câncer de mama
O desenvolvimento da metástase depende, entre outros fatores de um microambiente propício e é possível que as células do câncer de mama influenciem o perfil da expressão gênica das células estromais, tanto no tumor primário como no linfonodo regional. Para estudar este último evento obtivemos fibroblastos de linfonodos comprometidos (n=3) ou não
Publicado em: 2008
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3. Expressão gênica diferencial de fibroblastos de linfonodos comprometidos ou não comprometidos de pacientes com câncer de mama após cultura isolada ou co-cultura com células epiteliais mamárias normais ou malignas / Differential gene expression of fibroblasts from involved or uninvolved lymph nodes from breast cancer patients cultured alone or cocultured with normal or malignant mammary epithelial cells
Tumor development may be influenced by epithelial-mesenchimal interactions in the primary site as well as in the involved lymph node from breast cancer patients. Our aim was to evaluate the proliferation rate and gene profile of fibroblasts obtained from involved and uninvolved lymph nodes from breast câncer patients and to determine the influence of normal
Publicado em: 2007
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4. Diagnosis of human immunodeficiency virus infection using citrated whole blood.
Standard isolation of human immunodeficiency virus type 1 (HIV-1) from peripheral blood mononuclear cells (PBMC) requires 5 to 20 ml of blood, and the centrifugal separation of PBMC is expensive and time-consuming. Whole-blood coculture techniques use small sample volumes, do not require centrifugation, and allow measurement of the total viral burden in peri
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5. Adaptation of a coculture technique to the Minitek anaerobe system.
A method to produce anaerobic conditions by coculture with a nonfermentative organism was utilized in conjunction with the Minitek anaerobe system (BBL Microbiology Systems, Cockeysville, Md.) for identification of anaerobic bacteria from clinical specimens. With the coculture method, the Minitek anaerobe identification tests could be incubated under aerobic
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6. High frequency of isolation of defective human immunodeficiency virus type 1 and heterogeneity of viral gene expression in clones of infected U-937 cells.
Limiting-dilution techniques were employed to derive single-cell clones from U-937 cells that had been chronically infected with human immunodeficiency virus type 1. All clones thus obtained were positive for the presence of viral antigens; however, not all of the clones produced infectious progeny virus, as detected by the presence of reverse transcriptase
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7. Extensive tissue-regenerative capacity of neonatal human keratinocyte stem cells and their progeny
Given our recent discovery that it is possible to separate human epidermal stem cells of the skin from their more committed progeny (i.e., transit-amplifying cells and early differentiating cells) using FACS techniques, we sought to determine the comparative tissue regeneration ability of these keratinocyte progenitors. We demonstrate that the ability to reg
American Society for Clinical Investigation.
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8. Human monocyte-derived soluble product(s) has an accessory function in the generation of histamine- and concanavalin A-induced suppressor T cells.
We have analyzed the cellular interactions required for the generation of histamine- and concanavalin A (Con A)-induced suppressor T cells by employing a co-culture assay and techniques for fractionation of human blood mononuclear cells (PBMC). PBMC cultured in the presence of histamine (0.1 mM-1 mM) or Con A (20 micrograms/ml) for 24 h, mitomycin treated an
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9. Abnormalities of myeloid progenitor cells after "successful" bone marrow transplantation.
We studied recovery of peripheral blood- and bone marrow-derived myeloid progenitor cells (CFU-G,M) in 29 patients who received bone marrow transplants 2 mo to 8.5 yr previously. All patients had normal levels of peripheral blood neutrophils, normal bone marrow cellularity, and a normal myeloid-erythroid ratio. Both peripheral blood- and bone marrow-derived
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10. Detection of Infectious Human Immunodeficiency Virus Type 1 in Female Genital Secretions by a Short-Term Culture Method
Infectious human immunodeficiency virus type 1 (HIV-1) is difficult to detect in female genital secretions by standard virus culture techniques. To improve detection of cell-free HIV-1 in female genital secretions, we adapted a short-term assay that uses the multinuclear-activation galactosidase indicator (MAGI) assay. When vaginal lavages from HIV-1-infecte
American Society for Microbiology.