Receptor binding ligands to image infection.

Abstract:

:The current gold standard for imaging infection is radiolabeled white blood cells. For reasons of safety, simplicity and cost, it would be desirable to have a receptor-specific ligand that could be used for imaging infection and that would allow a differential diagnosis between sterile and septic inflammatory processes. Ligands tested for this purpose include labeled peptides ((99m)Tc-labeled f-Met-Leu-Phe, (123)I-IL-1ra, (99m)Tc-IL-8, (99m)Tc-P483H, (99m)Tc-P1827DS, (99m)Tc-C5a-des-Arg, (99m)Tc-RP517, (11)In-DPC11870-11), human polyclonal antibodies, monoclonal antibodies, antibody fragments, antimicrobial agents (ciprofloxacin, sparfloxacin, ceftizoxime, isoniazid, ethambutol, fluconazole, all labeled with (99m)Tc), antimicrobial peptides and bacteriophages. Radiolabeled antibodies represent a valid alternative to labeled white blood cells under specific conditions and indications. Radiolabeled antibiotics and antimicrobial peptides are promising candidates for an infection-specific radiopharmaceutical. However, at present we still need to investigate many basic aspects to better understand the mechanisms of binding and accumulation of this class of radiopharmaceuticals to bacteria.

journal_name

Curr Pharm Des

authors

Chianelli M,Boerman OC,Malviya G,Galli F,Oyen WJ,Signore A

doi

10.2174/138161208786549416

subject

Has Abstract

pub_date

2008-01-01 00:00:00

pages

3316-25

issue

31

eissn

1381-6128

issn

1873-4286

journal_volume

14

pub_type

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