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optogeneticsも、zebrafish行動解析へシフト

》第34回日本分子生物学会年会で発表します

                     
2011/12/13

○演題番号:  1P-0887
○発表日:   2011年12月13日(火) 9:00 - 19:35
○発表討論時間:13:40 - 14:40
○会場:    ポスター・展示会場

Novel Therapeutic Target Gene for Tumor Angiogenesis in Human Cancer Xenotransplantation Model 

ヒト癌移植モデルにおける腫瘍血管新生の新しい治療標的遺伝子

Junya Kuroyanagi 1), Noriko Umemoto 1), Beibei Zhang 1), Yasuhito Shimada 1)2)3)4), Yuhei Nishimura 1)2)3)4), Toshio Tanaka 1)2)3)4)

1) Department of Molecular and Cellular Pharmacology, Pharmacogenomics and Pharmacoinformatics, Mie University Graduate School of Medicine,
2) Department of Bioinformatics, Mie University Life Science Research Center
3) Mie University Medical Zebrafish Research Center
4) Department of Omics Medicine, Mie University Industrial Technology Innovation Institute

Angiogenesis plays an important role in tumor growth and metastasis. Most tumors release angiogenesis regulating factors, and neovasculature occurs when there are predominating positive signaling from regulators of angiogenesis. The use of agents that can inhibit angiogenesis has indicated that anti-angiogenic therapy can be a promising therapeutic approach in clinical cancer treatment. We identified tumor angiogenesis in zebrafish which is one of powerful models to define gene relevant to human malignant disease because of the ease of gene manipulation and large scale pharmacological screens. We transplanted plural human cancer cells to zebrafish and analysis the tumor angiogenesis in vivo. Then, we performed DNA microarray analysis to reveal the transcriptome profile of tumor angiogenesis. The pathways identified by the transcriptome analysis included several genes that are known to be involved in angiogenesis in human and rodent models, such as including EGF, HGF and TGF-β pathways. In addition, we discovered several novel target clusters which promote tumor angiogenesis.

関連リンク

第34回日本分子生物学会年会