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细胞因子在肾上腺髓质及嗜铬细胞瘤中的作用 被引量:1

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摘要 肾上腺髓质可产生多种细胞因子,它们在嗜铬细胞的分化、成熟及生长、功能方面以及在嗜铬细胞瘤的发病机制中起重要作用。其中,成纤维细胞生长因子(FGF)-2、胰岛素样生长因子(IGF)和神经生长因子(NGF)可刺激髓质嗜铬细胞增殖,而转化生长因子(TGF)-β对其增殖起负性调控作用。NGF、FGF-2和胶质细胞源性的神经营养因子(GDNF)均可促进嗜铬细胞分化,形成神经轴突样突触。IGF、TGFα和GDNF在嗜铬细胞瘤中的表达较正常肾上腺髓质明显增多,可能参与了嗜铬细胞瘤的发病。另外,血管内皮生长因子(VEGF)、白介素(IL)-1和IL-6在正常肾上腺髓质中也表达,但它们在髓质中的功能尚不甚清楚。肿瘤坏死因子(TNF)α在肾上腺皮质中表达,可能通过旁分泌作用调节髓质功能。
出处 《国外医学(内分泌学分册)》 2003年第5期344-347,共4页 Foreign Medical Sciences(Section of Endocrinology)
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