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转化生长因子β（ｔｒａｎｓｆｏｒｍｉｎｇｇｒｏｗｔｈｆａｃｔｏｒβ，ＴＧＦβ）是一种多功能的调节因子，目前发现至少有五种异构体。多种不同的细胞可产生ＴＧＦβ［１］。在肝内，ＴＧＦβ主要由非实质细胞表达，肝细胞则不表达。这种生长因子可在各种病理过程?
Transforming growth factor β (TGF-β) is a multi-functional regulatory factor, at present found at least five isomers. A variety of different cells can produce TGF β [1]. In the liver, TGF β mainly by non-parenchymal cells, hepatocytes are not expressed. This growth factor in a variety of pathological processes?