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題 名 | Immunohistochemical Studies of Transforming Growth Factor-β and Its Receptors in the Gastric Mucosa of Patients with Refractory Gastric Ulcer=頑固型胃潰瘍病人胃黏膜之變形生長因子β及其接受器的免疫組織化學研究 |
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作 者 | 施壽全; 錢宗良; 曾廣文; 林錫泉; 高進祿; | 書刊名 | 臺灣醫學會雜誌 |
卷 期 | 98:9 1999.09[民88.09] |
頁 次 | 頁613-620 |
分類號 | 415.526 |
關鍵詞 | 頑固型胃潰瘍; 胃黏膜; 變形生長因子β; 接受器; 免疫組織; Transforming growth factor-beta; Transforming growth factor-beta receptor; Refractory gastric ulcer; Gastric ulcer healing; Immunohistochemistry; |
語 文 | 英文(English) |
英文摘要 | Transforming growth factor (TGF)-β regulates cell growth and differentiation, and is known to play regulatory roles in the process of tissue repair and remodeling. However, the functional role of TGF-β in gastric ulcer healing has not been addressed. In this study, we assayed the expression of TGF-β and its receptors in the gastric mucosa of patients with healed or refractory gastric ulcers. Antibodies against TGF-β and its receptors (both type I and type II) were employed to examine expression levels. Sixteen gastric ulcer patients, including four with completely healed ulcers and 12 with ulcers refractory to treatment were included in this study. All four patients with healed ulcers showed remarkable expression levels of both TGF-β and its receptors. On the other hand, two of the 12 patients with refractory ulcers had weak or deficient TGF-β expression in the gastric mucosa, and seven lacked expression of at least one of the TGF-β receptors. The remaining three patients had normal (moderate to weak) expression levels of TGF-β and its two receptors. These results suggest that both TGF-β and its receptors are essential for gastric ulcer healing. |
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