Immunohistochemical Localization of Relaxin and Its Receptors in Salivary Gland Tumors: A Preliminary Analysis
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- Utsunomiya Tadahiko
- Departments of Oral Pathology, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba 271-8587, Japan
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- Yamaguchi Masaru
- Departments of Orthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba 271-8587, Japan
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- Ito Rie
- Departments of Orthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba 271-8587, Japan
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- Kasai Kazutaka
- Departments of Orthodontics, Nihon University School of Dentistry at Matsudo, Matsudo, Chiba 271-8587, Japan
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- Yamamoto Hirotsugu
- Nihon University
書誌事項
- タイトル別名
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- <b>Immunohistochemical Localization of Relaxin and Its Receptors in Salivary Gland Tumors: A Preliminary Analysis </b>
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抄録
Relaxin is a short circulating peptide hormone, and the major stored and circulatory form in humans is relaxin-2, generally known to have hormogenic functions and to act as an antifibrotic factor during childbirth in females. Relaxin is also expressed in mammary gland tissue and its tumors, suggesting association with tumorigenesis and development in exocrine tissues. In addition, leucine-rich repeat containing G protein-coupled receptors(LGR)7 and LGR8 are known to be receptors for relaxin. To understand the biological role of relaxin, it is necessary to determine the distribution pattern of both relaxin and its related receptors. Therefore, we performed a preliminary immunohistochemical analysis of relaxin and the receptors in salivary gland tumors comprising pleomorphic adenomas, Warthin tumors, adenoid cystic carcinomas, mucoepidermoid carcinomas and submandibular gland tissues.<br> The immunohistochemical findings showed positive immunoreactivity for relaxin-2 in the ductal, myoepithelial and/or basaloid cells in pleomorphic adenomas, Warthin tumors, adenoid cystic carcinomas, mucoepidermoid carcinomas, and in duct, myoepithelial and serous acinar cells in the submandibular glands.<br> These results suggest that localization and binding of relaxin-2 and receptors such as LGR7 and LGR8 are associated with ductal and tubular growth of the tumors, as well as the maintenance of duct formation, in salivary gland tumors and submandibular gland tissues.
収録刊行物
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- IJOMS
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IJOMS 12 (2), 73-78, 2013
日本大学松戸歯学部 口腔科学研究所
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詳細情報 詳細情報について
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- CRID
- 1390282680190889344
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- NII論文ID
- 130003386568
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- ISSN
- 21854254
- 13479733
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- 本文言語コード
- en
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- データソース種別
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- JaLC
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- 抄録ライセンスフラグ
- 使用不可