探索PET in vivo生成器134Ce作为对225AcAc的治疗学匹配
David Bauer1, Roberto De Gregorio1, Edwin C Pratt1
1Department of Radiology and the Molecular Pharmacology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA.
bioRxiv : the preprint server for biology
|May 7, 2024
概括
放射性核素对-134/兰坦-134 (134Ce/134La) 显示出作为动素-225 (225Ac) 的热解合作伙伴的希望,但由于134La的再分配,对定量PET成像有局限性.
科学领域:
- 核医学就是核医学.
- 放射化学 放射化学是指辐射化学.
- 在瘤学瘤学.
背景情况:
- 放射性核酸对-134/兰坦-134 (134Ce/134La) 被提议作为对α-发射物actinium-225 (225Ac) 的诊断对应物.
- 134Ce为体内研究提供了独特的特性,在体内应用中可能补充225Ac.
结论:
- 由于可能低估瘤吸收,134Ce可能不是225Ac与缓慢内化载体的理想匹配.
- 可以利用134La的再分配来非侵入性地估计225Ac后代的再分配.
- 未来的研究将利用134Ce作为体内生成器来研究标记物内化,受体贩运和瘤微环境进展.
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