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Sumiyuki Mii Jennifer Duong Yasunori Tome Aisada Uchugonova Fang Liu Yasuyuki Amoh Norimitsu Saito Kensei Katsuoka Robert M. Hoffman PhD 《Journal of cellular biochemistry》2013,114(7):1674-1684
We have previously reported that nestin‐expressing hair follicle stem cells can differentiate into neurons, Schwann cells, and other cell types. In the present study, vibrissa hair follicles, including their sensory nerve stump, were excised from transgenic mice in which the nestin promoter drives green fluorescent protein (ND‐GFP mice), and were placed in 3D histoculture supported by Gelfoam®. β‐III tubulin‐positive fibers, consisting of ND‐GFP‐expressing cells, extended up to 500 µm from the whisker nerve stump in histoculture. The growing fibers had growth cones on their tips expressing F‐actin. These findings indicate that β‐III tubulin‐positive fibers elongating from the whisker follicle sensory nerve stump were growing axons. The growing whisker sensory nerve was highly enriched in ND‐GFP cells which appeared to play a major role in its elongation and interaction with other nerves in 3D culture, including the sciatic nerve, the trigeminal nerve, and the trigeminal nerve ganglion. The results of the present report suggest a major function of the nestin‐expressing stem cells in the hair follicle is for growth of the follicle sensory nerve. J. Cell. Biochem. 114: 1674–1684, 2013. © 2013 Wiley Periodicals, Inc. 相似文献
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Quantitative Superresolution Microscopy Reveals Differences in Nuclear DNA Organization of Multiple Myeloma and Monoclonal Gammopathy of Undetermined Significance 下载免费PDF全文
Chirawadee Sathitruangsak Christiaan H. Righolt Ludger Klewes Pille Tammur Tiiu Ilus Anu Tamm Mari Punab Adebayo Olujohungbe Sabine Mai 《Journal of cellular biochemistry》2015,116(5):704-710
The mammalian nucleus has a distinct substructure that cannot be visualized directly by conventional microscopy. In this study, the organization of the DNA within the nucleus of multiple myeloma (MM) cells, their precursor cells (monoclonal gammopathy of undetermined significance; MGUS) and control lymphocytes of the representative patients is visualized and quantified by superresolution microscopy. Three‐dimensional structured illumination microscopy (3D‐SIM) increases the spatial resolution beyond the limits of conventional widefield fluorescence microscopy. 3D‐SIM reveals new insights into the nuclear architecture of cancer as we show for the first time that it resolves organizational differences in intranuclear DNA organization of myeloma cells in MGUS and in MM patients. In addition, we report a significant increase in nuclear submicron DNA structure and structure of the DNA‐free space in myeloma nuclei compared to normal lymphocyte nuclei. Our study provides previously unknown details of the nanoscopic DNA architecture of interphase nuclei of the normal lymphocytes, MGUS and MM cells. This study opens new avenues to understanding the disease progression from MGUS to MM. J. Cell. Biochem. 116: 704–710, 2015. © 2014 The Authors. Journal of Cellular Biochemistry published by Wiley Periodicals, Inc. 相似文献
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3‐Dimensional Tissue Is Formed From Cancer Cells In Vitro on Gelfoam®, But Not on MatrigelTM 下载免费PDF全文
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Labeling the Stroma of a Patient‐Derived Orthotopic Xenograft (PDOX) Mouse Model of Undifferentiated Pleomorphic Soft‐Tissue Sarcoma With Red Fluorescent Protein for Rapid Non‐Invasive Imaging for Drug Screening 下载免费PDF全文