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Версія від 06:23, 16 травня 2017, створена Mittenedge34 (обговореннявнесок) (Створена сторінка: 4) through a Zeiss Axiovert microscope. For time-lapse microscopy, images were acquired every 10 minutes with a Zeiss Axiovert 200 microscope fitted?with a Yoko...)

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4) through a Zeiss Axiovert microscope. For time-lapse microscopy, images were acquired every 10 minutes with a Zeiss Axiovert 200 microscope fitted?with a Yokogawa CSU 22 spinning disk (Yokogawa Corporation of America, Sugar Land, TX) for time-lapse microscopy and a Photometrics Cascade II camera (Photometrics, Tucson, AZ). Images were analyzed by SlideBook software version 5.0 (Intelligent Imaging Innovations, Inc., Denver, CO). For?better visualization of cells, we introduced GFP-tagged H2B ALPI using Celllight H2B-GFP (Baculovirus). HeLa cells were washed with PBS, fixed with formalin, collected by scrapping, washed, and mixed with low-melting agarose to form a plug, which was mounted in paraffin. Immunohistochemistry (IHC) on sections used anti-FAM190A antibody (mAb7) and Dako kit (Dako, Carpinteria, CA). Human tissue and xenografts were fixed in formalin and mounted in paraffin. H&E sections were prepared for human tissues, xenografts, and HeLa cell plugs. HeLa cells were harvested in phosphatase lysis solution (restriction enzyme 1�� buffer 3 with 1% Triton X; New England Biolab). After IP, washed beads containing captured protein were resuspended in 1�� buffer 3. CIP was added in either sample type and incubated at 37��C for 60 minutes. FGFR inhibitor Laemmli buffer was added to stop the reaction and for gel separation. As reported, focal multinuclearity was a pronounced feature of a particular pancreatic exocrine adenocarcinoma (Figure?1A),4 which in another study was found to have an internal gene rearrangement creating an out-of-frame deletion of exons 4 and 5 in check details the FAM190A gene. 5 We generated several stable HeLa cell clones by transfection of four different shRNA plasmids targeting the FAM190A transcript. On screening the clones by IB, we identified clone 77-2 (having integrated FAM190A shRNA sequence 77) to have a very low FAM190A protein expression compared with control clone 03-1 (having control shRNA plasmid) (Figure?1B). Focal multinuclear cells were present in the culture of clone 77-2 but not in control clone 03-1. On H&E histologic examination of an agarose plug of clone 77-2 and clone 03-1, multiple isolated multinuclear cells were again seen in the cells of the knockdown clone (Figure?1C). Phase-contrast microscopy confirmed the presence of focal cells having multiple nuclei in the FAM190A-knockdown clone (Figure?1D). Some multinucleated cells had bizarre nuclear shapes, as seen by DAPI staining (Supplemental Figure?S1A). We stained cells with PI and quantified DNA by flow cytometry. FAM190A-knockdown cells had a higher fraction of cells having >2N DNA (percentage of cells, means?�� SEM, 4.1 �� 0.72) relative to control cells (1.10 �� 0.05; P