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PMID: 4404327 Published · ppublish English Journal Article

Tissue amino acid flux after exposure of rats to Diplococcus pneumoniae.

Infection and immunity ·Vol. 4 ·No. 5 ·1971-11-00 ·Pages 556-62

Wannemacher RW, Powanda MC, Pekarek RS, Beisel WR

Abstract

The concentration of 21 individual free amino acids in serum, liver, and skeletal muscle was determined in rats during the incubation, acute illness, and terminal stages of experimental infection with Diplococcus pneumoniae. By 4 hr after subcutaneous inoculation with bacteria, the concentration of total and many individual free amino acids in serum, liver, and muscle was significantly decreased in comparison to findings in noninfected, pair-fed control rats. By use of a nonmetabolizable amino acid analogue (cycloleucine), it was possible to detect a flux of amino acids from muscle to liver in the infected rat. The endogenous amino acids which moved to the liver were rapidly utilized for the synthesis of serum proteins.

MeSH Terms
Amino Acids/blood,metabolism Animals Carbon Isotopes Cyclopentanes DNA/analysis Leucine/metabolism Liver/analysis Muscles/analysis Pneumococcal Infections/blood,metabolism Protein Biosynthesis Rats Streptococcus pneumoniae Time Factors Tritium
Chemicals
Amino Acids Carbon Isotopes Cyclopentanes Tritium DNA Leucine
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Wannemacher R W
Powanda M C
Pekarek R S
Beisel W R
References (18)
18 references, click to expand
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Article Info
Journal
Infection and immunity
Abbr.
Infect Immun
ISSN
0019-9567
Published
1971-11-00
Pages
556-62
Language
English
Region
United States
NLM ID
0246127
PMCID
PMC416352
Subset
IM
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