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Aisada Uchugonova Ming Zhao Martin Weinigel Yong Zhang Michael Bouvet Robert M. Hoffman Karsten König 《Journal of cellular biochemistry》2013,114(1):99-102
Second harmonic generation (SHG) multiphoton imaging can visualize fibrillar collagen in tissues. SHG has previously shown that fibrillar collagen is altered in various types of cancer. In the present study, in vivo high resolution SHG multi‐photon tomography in living mice was used to study the relationship between cancer cells and intratumor collagen fibrils. Using green fluorescent protein (GFP) to visualize cancer cells and SHG to image collagen, we demonstrated that collagen fibrils provide a scaffold for cancer cells to align themselves and acquire optimal shape. These results suggest a new paradigm for a stromal element of tumors: their role in maintaining anchorage and shape of cancer cells that may enable them to proliferate. J. Cell. Biochem. 114: 99–102, 2012. © 2012 Wiley Periodicals, Inc. 相似文献
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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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Enhanced Metastatic Recurrence Via Lymphatic Trafficking of a High‐Metastatic Variant of Human Triple‐Negative Breast Cancer After Surgical Resection in Orthotopic Nude Mouse Models
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Therapeutic Cell‐Cycle‐Decoy Efficacy of a Telomerase‐Dependent Adenovirus in an Orthotopic Model of Chemotherapy‐Resistant Human Stomach Carcinomatosis Peritonitis Visualized With FUCCI Imaging
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Comparison of UVB and UVC Effects on the DNA Damage‐Response Protein 53BP1 in Human Pancreatic Cancer
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3‐Dimensional Tissue Is Formed From Cancer Cells In Vitro on Gelfoam®, But Not on MatrigelTM
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Aptamers are a group of molecules, which can specifically bind, track, and inhibit target molecules, comprising DNA aptamers, RNA aptamers, and peptide aptamers. So far, there are much progress about developing novel aptamers and their expansile applications. This prospect systematically introduces the composition and technological evolution of aptamers, and then focuses on the application of aptamers in cancer diagnosis, imaging, and therapy. Following this, we discuss the potential to harness aptamers in discovering the biomarker of stem cells, which is favorable for us to study the normal developmental or abnormal pathological process of tissue and to deliver drugs into target cells or tissues in the future. J. Cell. Biochem. 114: 250–255, 2013. © 2012 Wiley Periodicals, Inc. 相似文献