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Synthesis and Preclinical Studies of [ 61Cu]-N-(2- Hydroxyacetophenone)Glycinate As a Possible Pet Radiopharmaceutical Publisher



Jalilian AR1 ; Sadeghi H2 ; Zandi H3 ; Rowshanfarzad P1 ; Shafaii K1 ; Kamalidehghan M1 ; Garousi J1 ; Majdabadi A1 ; Tavakoli MB2
Authors
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Authors Affiliations
  1. 1. Nuclear Medicine Research Group, Agricultural Medical and Industrial Research School (AMIRS), Karaj, P.O.Box: 31485-498, Iran
  2. 2. Department of Biomedical Physics and Engineering, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Islamic Azad University, Science and Research Unit, Tehran, P.O. Box: 14155-775, Iran

Source: Scientia Pharmaceutica Published:2008


Abstract

[ 61Cu]-N-(2-hydroxyacetophenone)glycinate ([ 61Cu] NHAG) was prepared using in house-made NHAG ligand and [61Cu]CuCI 2 produced via the natZn(p, x) 61Cu (180μA proton irradiation, 22MeV, 3.2h) and purified by a ion chromatography method. [ 61Cu]NHAG radiochemical purity was >98% and >99.9% by RTLC and HPLC methods respectively after purification by SPE. [ 61Cu]NHAG was administered into normal and tumor bearing mice followed by bio distribution studies up to 180 minutes. The best tumor accumulation was observed by animal sacrification after 120 min (tumor/muscle and tumor/blood ratios were 25.6 and 3.4 respectively). [ 61Cu]NHAG is a potential PET radiotracer for tumor imaging.