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Establishment of a quantitative RT-pCR for detection of vascular cell adhesion molecule-1 transcripts in endothelial cells after stimulation with advanced glycation endproducts.

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Advanced glycation endproducts (AGE) are supposed to increase endothelial expression of adhesion molecules like vascular cell adhesion molecule-1 (VCAM-1) by inducing an intracellular stress with subsequent activation of nuclear transcription factor NF-kappa-B. Quantitative analysis of VCAM-1-transcription has not been demonstrated concerning this topic. Thus, the aim of this study was to establish quantitative reverse transcription polymerase chain reaction (RT-PCR) assays using a spacer gene in order to measure the amounts of specific mRNA for VCAM-1 in human umbilical vein endothelial cells (HUVEC) which were stimulated with AGE-albumin (AGE-BSA). A recombinant RNA-standard was synthesized and used as internal RT-PCR standard. The amount of VCAM-1-mRNA in unstimulated HUVEC was found to be 2.2 +/- 2.7 copies per cell. After stimulation with AGE-BSA, mRNA-levels were elevated to 38.9 +/- 10.9 copies per cell. Positive controls (stimulated with lipopolysaccharide) revealed mRNA-levels of 78.7 +/- 27.5 copies per cell. We conclude that quantitative RT-PCR using the spacer gene technique is a valid and reliable method for the measurement of small amounts of specific
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Document Type: Research Article

Affiliations: Department for Internal Medicine and Endocrinology, University of Mainz, Langenbeckstr. 1, D-55131 Mainz, Germany.

Publication date: October 1, 1998

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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