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More about influence of hypoxia on GATA-1 and Epo expression levels in developing zebrafish

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Book synopsis

Master's Thesis from the year 2007 in the subject Biology - Zoology, printed single-sided, grade: 1,0, University of Innsbruck (Zoologie), 90 entries in the bibliography, language: English, abstract: The transcription factor GATA-1 is essential for the development of the erythroid cell lineage in vertebrates. In this article we introduce a method to easily determine the approximately development status of red blood cells and the progression of blood formation by intensity of fluorescence in GATA-1/Ds-Red marked zebrafish. We classified the blood cells on the basis of their fluorescence intensity in 5 intensity stages (IS) with the brightest in IS 1. The comparison with our erythropoietin (Epo) data showed a noticable correlation between GATA-1, Epo mRNA and EPO protein level. Between 2 and 3 dpf we observed a major increase in blood cell concentration to circa 1200 cells nl-1, until 15 dpf this value decreased to about the half. The appearance of IS 1 cells correspond approximately to the peaks in Epo cRNA copies and the highest values in EPO protein emerged about 1 day later. Our data show that the blood cell concentration, Epo and Gata-1 expression in zebrafish larvae is subjected to large fluctuations in the first few days of development.

Book details

Book category Books in English Mathematics & science Biology, life sciences Zoology & animal sciences

• Full title: influence of hypoxia on GATA-1 and Epo expression levels in developing zebrafish
• Author: Markus Holotta
• Language: English
• Binding: Paperback
• Number of pages: 40
• EAN: 9783638905718
• ISBN: 3638905713
• ID: 05277854
• Publisher: Grin Publishing
• Weight: 64 g
• Dimensions: 210 × 148 × 3 mm
• Date of publishing: 30. January 2008

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