Hypoxic incubation leads to concerted changes of carbonic anhydrase activity and 2.3 DPG concentration of chick embryo red cells

URN to cite this document:

urn:nbn:de:bvb:355-epub-186768 Copy

DOI to cite this document:

10.5283/epub.18676 Copy

Baumann, Rosemarie ; Haller, E. A. ; Schöning, U. ; Weber, M.

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Date of publication of this fulltext: 09 Dec 2010 08:34

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Details

Item type:	Article
Journal or Publication Title:	Developmental biology
Publisher:	Academic Press/Elsevier
Volume:	116
Number of Issue or Book Chapter:	2
Page Range:	pp. 548-551
Date:	1986
Institutions:	Biology, Preclinical Medicine > Institut für Physiologie > Alumni or Retired > Prof. Dr. Rosemarie Baumann
Identification Number:	Value Type 2942431 PubMed ID
Classification:	Notation Type Animals MESH Anoxia/physiopathology MESH Bisphosphoglycerate Mutase/metabolism MESH Carbonic Anhydrases/blood MESH Cell Differentiation MESH Chick Embryo MESH Diphosphoglyceric Acids/blood MESH Erythrocytes/physiology MESH Erythropoiesis MESH Phosphofructokinase-1/metabolism MESH Pyruvate Kinase/metabolism MESH
Dewey Decimal Classification:	500 Science > 570 Life sciences 600 Technology > 610 Medical sciences Medicine
Status:	Published
Refereed:	Yes, this version has been refereed
Created at the University of Regensburg:	Unknown
Item ID:	18676

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Abstract

Red cell carbonic anhydrase activity, 2.3 DPG concentration, and activities of three key enzymes controlling DPG metabolism (PK, PFK and DPGM) were measured in normoxic and hypoxic (incubation in 13.5% O2) chick embryos. In normoxia 2.3 DPG concentration and carbonic anhydrase activity begin to increase by the third week of incubation. Hypoxia induces a rise of 2.3 DPG concentration and carbonic ...

Abstract

Red cell carbonic anhydrase activity, 2.3 DPG concentration, and activities of three key enzymes controlling DPG metabolism (PK, PFK and DPGM) were measured in normoxic and hypoxic (incubation in 13.5% O2) chick embryos. In normoxia 2.3 DPG concentration and carbonic anhydrase activity begin to increase by the third week of incubation. Hypoxia induces a rise of 2.3 DPG concentration and carbonic anhydrase activity by Day 8 of development, i.e., 1 week earlier. Since during normal development chick embryos become hypoxic in the third week of incubation, the results suggest that PO2 has a controlling influence on the timing of differentiation events of definitive embryonic red cells.

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Metadata last modified: 26 Nov 2020 07:54

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