徳島大学 教育・研究者情報データベース(EDB)

1. 堤 理恵([徳島大学.大学院医歯薬学研究部.医学域.栄養科学部門.医科栄養学系.代謝栄養学])

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2. 合田 正和

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3. 藤本 知佐

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4. 神農 今日子

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5. (英) Nobe Misaki

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6. 北村 嘉章([徳島大学.大学院医歯薬学研究部.医学域.医科学部門.外科系.耳鼻咽喉科学]/[徳島大学.病院.診療科.感覚·皮膚·運動機能科.耳鼻咽喉科・頭頸部外科])

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7. 阿部 晃治

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8. (英) Kawai Misako

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9. (英) Matsumoto Hideki

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10. 酒井 徹([徳島大学.大学院医歯薬学研究部.医学域.栄養科学部門.医科栄養学系.実践栄養学])

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11. 武田 憲昭

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(英) Effects of chemotherapy on gene expression of lingual taste receptors in patients with head and neck cancer.

(英) We aimed to test the hypothesis that chemotherapy changes the gene expression of taste receptors in the tongue to induce dysgeusia in patients with head and neck cancer. Prospective observation study. We enrolled 21 patients who received chemoradiotherapy and five patients who underwent radiotherapy for head and neck cancer. The messenger RNA (mRNA) levels of the taste receptor subunits T1R1, T1R2, T1R3, and T2R5 were measured in lingual mucosa scrapings obtained with a small spatula. The perception thresholds of umami, sweet, and bitter tastes were assessed by the whole mouth gustatory test. In four patients with severe stomatitis induced by chemoradiotherapy, the mRNA levels of T1R1, T1R2, T1R3, and T2R5 in the lingual mucosa were significantly decreased. However, in 17 patients with mild/moderate stomatitis, the mRNA levels of T1R3 were significantly and transiently decreased, whereas those of T1R1 and T1R2 remained unchanged and those of T2R5 mRNA were significantly and transiently increased after chemotherapy. There was a significant negative correlation between the perception thresholds of umami or sweet tastes and lingual mRNA levels of T1R3 in patients with mild/moderate stomatitis after chemotherapy. Although the perception threshold of bitter taste remained unchanged, lingual mRNA levels of T2R5 were significantly increased in patients who complained of phantogeusia after chemotherapy. Chemotherapy specifically changed the gene expression of T1R3 and T2R5 in head and neck cancer patients with mild/moderate stomatitis, resulting in both dysgeusia of umami and sweet tastes as well as phantogeusia. 4. Laryngoscope, 126:E103-E109, 2016.

1. (英) Adult
2. (英) Aged
3. (英) Aged, 80 and over
4. 分散分析(analysis of variance)
5. (英) Antineoplastic Agents
6. (英) Chemoradiotherapy
7. (英) Cohort Studies
8. (英) Dysgeusia
9. (英) Female
10. 遺伝子発現(gene expression)
11. (英) Head and Neck Neoplasms
12. (英) Humans
13. 日本(Japan)
14. (英) Male
15. (英) Middle Aged
16. (英) Prognosis
17. (英) Prospective Studies
18. (英) RNA, Messenger
19. (英) Receptors, G-Protein-Coupled
20. (英) Risk Assessment
21. (英) Severity of Illness Index
22. (英) Taste Buds
23. (英) Tongue

1. (英) Article.ELocationID: 10.1002/lary.25679

2. (英) Article.PublicationTypeList.PublicationType: Journal Article

3. (英) Article.PublicationTypeList.PublicationType: Observational Study

4. (英) Article.PublicationTypeList.PublicationType: Research Support, Non-U.S. Gov't

5. (英) KeywordList.Keyword: Dysgeusia

6. (英) KeywordList.Keyword: head and neck cancer

7. (英) KeywordList.Keyword: taste receptors