19 research outputs found

    Evolution of the Central Indian tectonic zone: Geochemical and isotope-geochronological data

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    In the framework of the Russian-Indian joint research projects geochemical and geochronological study of granitoid rocks across the Central Indian Tectonic Zone has been carried out. Geochronological data suggest that the Central Indian Tectonic Zone is composed primarily of Proterozoic rocks, formed as a result of several stages of granitoid magmatism: at 2.43, 2.34-2.31, 1.73-1.72 and 1.53-1.51 Ga. Metamorphic transformations reflected by Sm–Nd and Rb–Sr systems of rocks and minerals occurred 1.37-1.1 Ga ago that allows comparing the final processes in the Central Indian Tectonic Zone with the Grenville orogeny and it can be used for the reconstruction of Rodini

    Induced pluripotent stem cell line, IMGTi003-A, derived from skin fibroblasts of an intellectually disabled patient with ring chromosome 13

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    Skin fibroblasts from a patient with neurodevelopmental and speech delay, anxiety disorder, macrocephaly, microorchidism, multiple anomalies of internal organs and ring chromosome 13 were reprogrammed into induced pluripotent stem cells (iPSCs) to generate a clonal stem cell line IMGTi003-A (iTAF6-6). IMGTi003-A pluripotency was demonstrated by three germ layer differentiation capacity in vitro, and this cell line had a mosaic karyotype with 46,XY,r(13) as a predominant cell subpopulation. IMGTi003-A line is a good model for studying of the mitotic instability of the ring chromosome 13

    Generation of two iPSC lines (IMGTi001-A and IMGTi001-B) from human skin fibroblasts with ring chromosome 22

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    Skin fibroblasts from a patient with intellectual disability and ring chromosome 22 were reprogrammed into induced pluripotent stem cells (iPSCs) to establish a clonal stem cell lines, IMGTi001-A (iTAF5-29) and IMGTi001-B (iTAF5-32). Because of ring chromosome mitotic instability these cell lines show mosaic karyotypes with 46,XX,r(22) in >83% cells, 45,XX,-22 as minor class and sporadically cells with other karyotypes. Differentiation in derivatives of all three germ layers was shown in teratoma assay for IMGTi001-A, and in embryoid bodies for both cell lines. To our knowledge, human iPSC lines with ring chromosome are described for the first time

    Induced pluripotent stem cell line, ICAGi001-A, derived from human skin fibroblasts of a patient with 2p25.3 deletion and 2p25.3-p23.3 inverted duplication

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    Skin fibroblasts from a patient with developmental delay and chromosome 2p25.3 deletion syndrome were reprogrammed into induced pluripotent stem cells (iPSCs) and the clonal stem cell line ICAGi001-A (iTAF9-11) was established. ICAGi001-A pluripotency was demonstrated in vitro by three germ layer differentiation capacity. This line is a good model for studying of the developmental delay and brain disorder
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