ArticleInfection and immunity1988
The availability of purines influences both the number of parasites and the splenocyte levels of purine-metabolizing enzymes in trypanosome-infected mice.
Article in Infection and immunity, 1988. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed, 6 citations in OpenAlex.
- Immune and nonimmune regulation of the population of Trypanosoma musculi in infected host mice.Infection and immunity · 1990Article
- Immunological and nonimmunological control of severity of Trypanosoma musculi infections in C3H and C57BL/6 inbred mice.Infection and immunity · 1989Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
Abstract
Growth on Trypanosoma musculi in the murine host was limited by the availability of host purines. A portion of the spleen cells of infected mice (many of them granulocytes) displayed high levels of adenosine deaminase (ADA) and purine nucleoside phosphorylase, probably as a compensatory response to extracellular purine deficiency. Injections of adenosine or 2-deoxycoformycin stimulated significant increases in the growth of parasites. 2-Deoxycoformycin treatment also diminished parasite-induced splenomegaly. Treatment of mice with polyethylene glycol-modified ADA, a slowly catabolized form of ADA, had no effect on the course of T. musculi infection, indicating that the parasites can utilize purines other than adenosine. The apparent competition between parasites and host cells for available purines suggests that depletion of extracellular purines should be considered as an approach to treating extracellular trypanosome infections.
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Registered trials
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