AN IMPROVED SYNTHESIS AND PRELIMINARY BIODISTRIBUTION STUDY OF A TECHNETIUM-99M-LABELED 2-AMINO-2-DEOXY(THIOACETYL)-D-GLUCOSE COMPLEX ([99MTC]-TA-DG) AS A TUMOR IMAGING AGENT

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JOUHARI DAHA F.; SADEGH ZADEH MASOUD; CHARKH LOUEI GH.A.; HAGHIR EBRAHIMABADI K.; SAEIDI M.R.

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Journal: Iranian Journal of Nuclear Medicine Year:2007 | Volume:15 | Issue:2 (SERIAL NO. 28) Page(s): 43-48

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Title

AN IMPROVED SYNTHESIS AND PRELIMINARY BIODISTRIBUTION STUDY OF A TECHNETIUM-99M-LABELED 2-AMINO-2-DEOXY(THIOACETYL)-D-GLUCOSE COMPLEX ([99MTC]-TA-DG) AS A TUMOR IMAGING AGENT

Author(s)

Keywords

SANS-SERIF"> 99M

SANS-SERIF">TC

GLUCOSAMINE DERIVATIVES

SANS-SERIF">99M

SANS-SERIF">TC-TRICARBONYL COMPLEX

2-AMINO-2-DEOXY (THIOACETYL)-D-GLUCOSE

Abstract

Introduction: This report describes the synthesis of 2-Amino-2-deoxy(S-benzoylthioacetyl)-D-glucose (S-Bz-TADG), radiolabeled with [99mTc(CO)3(OH2)3]+ complex with a procedure including deprotection of the benzoyl group, characterization by HPLC using a C18 reverse phase column and preliminary biodistribution study in normal mice.Methods: [99mTc(CO)3(H2O)3]+ complex was used to label TA-DG with 99mTc. This complex was prepared using up to 46 mCi of Na99mTcO4 in 1mL saline. The radiochemical purity (>95%) was determined by TLC in normal saline solution as the mobile phase. Radio-HPLC analysis of [99mTc]-(TA-DG) at pH=9.5-10, revealed that labeling with 99mTc resulted in the formation of three radiochemical species (Na99mTcO4 with tR=5.7 min, [99mTc (CO)3 (H2O)3]+ complex with tR=27.5 min and [99mTc]-(TA-DG) [yield >85%] with tR=8.2 min) with different HPLC-profiles.Results: The biodistribution of the [99mTc]-(TA-DG) complex was studied in normal mice (body mass 25–35 g) at 30 min and 1 h post-injection, according to a published procedure. This complex showed negligible brain uptake (0.13%±0.03 ID) at 30 min post-injection, an efficient clearance from the blood, a rapid excretion to the urine and a low retention in the liver and kidneys.Conclusion: Nonfunctionalized carbohydrate compounds such as glucose are generally weak ligands for chelating with 99mTc. Therefore, functionalization with an external chelating group or the insertion of some functional groups is essential to obtain strong metal-binding compounds. On the basis of our results, it seems that [99mTc]-(TA-DG) has not most of the favorable properties as an imaging agent for brain tumors.

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APA: Copy

JOUHARI DAHA, F., SADEGH ZADEH, MASOUD, CHARKH LOUEI, GH.A., HAGHIR EBRAHIMABADI, K., & SAEIDI, M.R.. (2007). AN IMPROVED SYNTHESIS AND PRELIMINARY BIODISTRIBUTION STUDY OF A TECHNETIUM-99M-LABELED 2-AMINO-2-DEOXY(THIOACETYL)-D-GLUCOSE COMPLEX ([^99MTC]-TA-DG) AS A TUMOR IMAGING AGENT. IRANIAN JOURNAL OF NUCLEAR MEDICINE, 15(2 (SERIAL NO. 28)), 43-48. SID. https://sid.ir/paper/558574/en

Vancouver: Copy

JOUHARI DAHA F., SADEGH ZADEH MASOUD, CHARKH LOUEI GH.A., HAGHIR EBRAHIMABADI K., SAEIDI M.R.. AN IMPROVED SYNTHESIS AND PRELIMINARY BIODISTRIBUTION STUDY OF A TECHNETIUM-99M-LABELED 2-AMINO-2-DEOXY(THIOACETYL)-D-GLUCOSE COMPLEX ([^99MTC]-TA-DG) AS A TUMOR IMAGING AGENT. IRANIAN JOURNAL OF NUCLEAR MEDICINE[Internet]. 2007;15(2 (SERIAL NO. 28)):43-48. Available from: https://sid.ir/paper/558574/en

IEEE: Copy

F. JOUHARI DAHA, MASOUD SADEGH ZADEH, GH.A. CHARKH LOUEI, K. HAGHIR EBRAHIMABADI, and M.R. SAEIDI, “AN IMPROVED SYNTHESIS AND PRELIMINARY BIODISTRIBUTION STUDY OF A TECHNETIUM-99M-LABELED 2-AMINO-2-DEOXY(THIOACETYL)-D-GLUCOSE COMPLEX ([^99MTC]-TA-DG) AS A TUMOR IMAGING AGENT,” IRANIAN JOURNAL OF NUCLEAR MEDICINE, vol. 15, no. 2 (SERIAL NO. 28), pp. 43–48, 2007, [Online]. Available: https://sid.ir/paper/558574/en

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