Synthesis and biological characteristics of the Technetium-99m triamide derivatives of mercaptoacetyltriglycine (MAG3)
作者:S. M. Okarvi、P. Adriaens、A. M. Verbruggen
DOI:10.1002/jlcr.645
日期:2003.1
A number of MAG3-derivatives, containing the three-amide functions modified by inverting the sequence –CO–NH– to –NH–CO– in the first- and/or second-amide functions, have been labelled with 99mTc in order to study the renal characteristics of the resulting MAG3-derivatives versus the reference 99mTc-MAG3. The 99mTc-MAG3-derivatives displayed HPLC-profiles similar to that of 99mTc-MAG3. Furthermore, in mice they exhibited biological behaviour comparable or even superior to 99mTc-MAG3, which indicates that the sequence of the first- and/or second-amide bond in 99mTc-MAG3 affects the biological behaviour only to a limited degree. However, in baboon the plasma clearance of the 99mTc-MAG3-derivatives was relatively slower than 99mTc-MAG3, which underlines the inter-species variability. Copyright © 2002 John Wiley & Sons, Ltd.
一些含有三酰胺功能的 MAG3 衍生物通过将第一和/或第二酰胺功能中的 -CO-NH- 顺序倒置为 -NH-CO- 的方式进行了 99mTc 标记,以研究所得 MAG3 衍生物相对于参考 99mTc-MAG3 的肾脏特征。99mTc-MAG3 衍生物显示出与 99mTc-MAG3 相似的 HPLC 特征。这表明,99m锝-MAG3 中第一和/或第二酰胺键的顺序对生物行为的影响程度有限。不过,在狒狒体内,99m锝-MAG3 衍生物的血浆清除速度相对慢于 99m锝-MAG3,这凸显了物种间的差异性。Copyright © 2002 John Wiley & Sons, Ltd. All Rights Reserved.