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Correlations of Vascular Architecture and Angiogenesis with Pituitary Adenoma Histotype
http://hdl.handle.net/2241/00122823
http://hdl.handle.net/2241/001228234c926432-6e0a-4fdf-a198-9da2cede65e4
名前 / ファイル | ライセンス | アクション |
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IJE_2014-989574 (3.1 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2015-01-05 | |||||
タイトル | ||||||
タイトル | Correlations of Vascular Architecture and Angiogenesis with Pituitary Adenoma Histotype | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Takano, Shingo
× Takano, Shingo× Akutsu, Hiroyoshi× Hara, Takuma× Yamamoto, Tetsuya× Matsumura, Akira |
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著者別名 |
阿久津, 博義
× 阿久津, 博義× 阿久津, 博義× 松村, 明 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Vascular endothelial growth factor (VEGF) is a potent angiogenic factor in solid tumors. However, its role in angiogenesis in pituitary adenoma is controversial. Angiogenesis in solid tumors including pituitary adenoma is commonly evaluated by microvascular density (MVD). Here, we evaluated MVD and the role of VEGF in vascular architecture in 51 pituitary adenomas (24 nonfunctioning, 13 prolactin-secreting, 10 growth hormone-secreting, 3 adrenocorticotropic hormone-secreting, and 1 thyroid-stimulating hormone-secreting). Paraffin sections were stained with CD34 and VEGF. MVD and vascular architecture parameters (vessel area, diameter, perimeter, and roundness) were evaluated in CD34-stained sections. Immunohistochemistry showed 27/51 tumors (53%) were VEGF-positive. There were no significant differences in MVD, any vascular parameter, or adenoma volume between VEGF-positive and VEGF-negative tumors. VEGF mRNA expression was significantly higher in VEGF-positive tumors. There were no significant correlations between VEGF mRNA expression and MVD or vascular parameters. However, vessel diameter and perimeter were significantly larger in prolactin-secreting than nonfunctioning and growth hormone-secreting macroadenomas. The difference in vessel diameter was observed among both VEGF-positive and all adenomas (micro- and macroadenoma). Thus, VEGF may have limited roles in the development of vascular architecture and tumor angiogenesis in pituitary adenomas, but the differences in vessel architecture by histotype (i.e., larger vessel diameter and perimeter in prolactin-secreting adenomas) suggest the hormonal regulation of vessel architecture rather than angiogenesis | |||||
書誌情報 |
International journal of endocrinology 巻 2014, p. 989574, 発行日 2014-11 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1687-8337 | |||||
PubMed番号 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | 25431591 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1155/2014/989574 | |||||
権利 | ||||||
権利情報 | © 2014 Shingo Takano et al.This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | Hindawi Publishing Corporation |