Preliminary evaluation of the potential of 99mTc carbonyl-DTPA-Rituximab as a tracer for sentinel lymph node detection

被引:3
|
作者
Kameswaran, Mythili [1 ]
Subramanian, Suresh [1 ]
Pandey, Usha [1 ]
Samuel, Grace [1 ]
机构
[1] Bhabha Atom Res Ctr, Isotope Prod & Applicat Div, Bombay 400085, Maharashtra, India
关键词
Rituximab; Breast lymphoma; Sentinel lymph node; Technetium radiopharmaceuticals; PRIMARY BREAST LYMPHOMA; BIFUNCTIONAL LIGAND; BIOPSY; RADIOPHARMACEUTICALS; BIOMOLECULES; TRIAL;
D O I
10.1016/j.apradiso.2015.10.025
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Preliminary work with Tc-99m carbonyl-DTPA-Rituximab was attempted to test its feasibility as a sentinel lymph node (SLN) tracer for patients with breast cancer. Tc-99m labeling of DTPA-Rituximab conjugate was carried out via Tc-99m carbonyl synthon which exhibited >95% radiochemical purity and good in vitro stability. In vitro studies of Tc-99m carbonyl-DTPA-Rituximab in normal and malignant B cells showed higher binding in malignant cells. In vivo distribution of Tc-99m carbonyl-DTPA-Rituximab in Wistar rat footpad model indicated good retention by B-cells present in the sentinel lymph node. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码:195 / 198
页数:4
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