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Pancreatic uptake of [2-14C]alloxan

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The uptake of [2-14C]alloxan by the pancreatic gland was investigated in control and streptozotocin-induced diabetic (STZ) rats, using both in vitro and in vivo techniques. Whether after 10 to 60 min incubation of pieces of pancreas in the presence of [2-14C]alloxan or 60 min to 24 h after intravenous injection of [2-14C]alloxan to control and insulin-treated STZ rats, the radioactive content of the pancreas (dpm/mg wet weight) only represented, in the STZ rats, about two thirds of the reference value found in control animals. These findings indicate that insulin-producing islet B-cells participate to a sizeable extent to the overall uptake of [2-14C]- alloxan by the whole pancreatic gland, despite the fact that they account for no more than about one percent of the total pancreas mass. Hence, it should be possible to preferentially label the endocrine moiety of the pancreas, in the perspective of its imaging and quantification by a non-invasive procedure, by use of a suitable radiolabelled molecule selectively taken up by islet, as distinct from acinar, pancreatic cells.
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Document Type: Research Article

Affiliations: Laboratory of Experimental Medicine, Brussels Free University, B-1070 Brussels, Belgium

Publication date: March 1, 2001

More about this publication?
  • The International Journal of Molecular Medicine is a monthly, peer-reviewed journal devoted to the publication of high quality studies related to the molecular mechanisms of human disease. The journal welcomes research on all aspects of molecular and clinical research, ranging from biochemistry to immunology, pathology, genetics, human genomics, microbiology, molecular pathogenesis, molecular cardiology, molecular surgery and molecular psychology.

    The International Journal of Molecular Medicine aims to provide an insight for researchers within the community in regard to developing molecular tools and identifying molecular targets for the diagnosis and treatment of a diverse number of human diseases.
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