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Immunohistochemical staining of human islet cells with region-specific antibodies against secretogranins II and III
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Clinical Chemistry. Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Biochemical endocrinology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Genetics and Pathology.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Genetics and Pathology.
2008 (English)In: Journal of Anatomy, ISSN 0021-8782, E-ISSN 1469-7580, Vol. 212, no 3, 229-234 p.Article in journal (Refereed) Published
Abstract [en]

Chromogranins and secretogranins belong to the granin family of proteins, which are expressed in neuroendocrine and nervous tissue. In earlier publications we have described the development of region-specific antibodies against CgA and CgB. In this study we describe antibodies to SgII and SgIII and their usefulness for immunohistochemical staining. Peptides homologous to defined parts of secretogranins II and III were selected and synthesized. Antibodies were raised and immunostainings were performed on normal human pancreas. The SgII 154-165 (N-terminal secretoneurin), SgII 172-186 (C-terminal secretoneurin) and SgIII antibodies immunostained all insulin-immunoreactive cells, most of the glucagon cells and some of the pancreatic polypeptide cells. The SgII 225-242 antibody immunostained only the insulin-containing cells. None of the antibodies immunostained the somatostatin cells. This study is the first observation of the expression of SgIII in human tissues, where we show expression of SgIII in three of the four major islet cell types in human pancreas.

Place, publisher, year, edition, pages
2008. Vol. 212, no 3, 229-234 p.
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:uu:diva-15951DOI: 10.1111/j.1469-7580.2008.00857.xISI: 000253628900002PubMedID: 18221483OAI: oai:DiVA.org:uu-15951DiVA: diva2:43722
Available from: 2008-03-26 Created: 2008-03-26 Last updated: 2017-12-08Bibliographically approved

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Stridsberg, MatsGrimelius, Lars

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