The development of haematopoietic cells is biased in embryonic stem cell chimaeras

Article Abstract:

The contribution of embryonic stem (ES) cells to haematopoietic development apparently differs in the host and descendant cells. Beta-galactosidase expression from an X-linked transgene was used to investigate the haematopoietic development of ES cell injection chimaeras. An unexpected bias in the haematopoietic differentiation of ES-derived cells was discovered when the proportions of these cells in the antigen-positive lineages were compared with the ES cell contribution to all cells in the organs.

Research, Mosaicism, Hematopoietic stem cells

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Migration of oligodendrocyte precursors on astrocytes and meningeal cells

Article Abstract:

Tissue culture migration assays and time lapse video microscopy shows that both meningeal cells and astrocytes impede the migration of oligodendrocyte precursors and the precursor cell lines, CG4 and Oli-neu. Examination of the events instantly after cell-cell interaction indicates that oligodendrocyte precursors-astrocyte contacts were long-lasting while the precursor-meningeal cell contacts lead to a rapid departure from the precursor cell process.

Cell migration, Astrocytes, Oligodendroglia

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Cytokinesis in plant and animal cells: endosomes eshut the doorE

Article Abstract:

Study of impact of cytokinesis on cytoskeleton of cell plate, based on role of endosomes in vesicle trafficking through plasma membrane during mitosis, is presented.

United Kingdom, Germany, Slovakia, Mitosis, Cytoskeleton, Cytokinesis

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