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Atrial natriuretic peptide in lymphoid organs of various species

Authors
Journal
Comparative Biochemistry and Physiology Part A Physiology
0300-9629
Publisher
Elsevier
Publication Date
Volume
96
Issue
4
Identifiers
DOI: 10.1016/0300-9629(90)90661-b
Disciplines
  • Biology

Abstract

Abstract 1. 1. Evidence for the occurrence of atrial natriuretic peptide (ANP) in various lymphoid organs of different species (rat, mouse, pig, chicken) is provided. 2. 2. ANP precursor material (1–126) as well the physiologically active ANP (99–126), were identified by Chromatographic analysis and RIA in extracts of thymus, spleen and lymph nodes of rat, mouse and pig. 3. 3. mRNA coding for ANP was demonstrated both in the thymus and in isolated thymocytes of these species. Furthermore, mRNA for ANP was detected in spleen and lymph nodes (rat and pig). 4. 4. The bursa of Fabricius, thymus glands and spleen of chickens were also shown to express mRNA coding for ANP. 5. 5. These findings provide a firm basis for a link of ANP to the immune system, a novel aspect of possible biological functions of this peptide.

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