ArticleThe Clinical investigator1993
Granulocyte-macrophage colony-stimulating factor in the sera of patients with aplastic anemia.
Article in The Clinical investigator, 1993. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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.
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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.
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0 citing papers in PubMed, 13 citations in OpenAlex.
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3 authors at 1 institution in 1 country.
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Abstract
To clarify the role of growth factors in the pathophysiology of aplastic anemia we measured serum granulocyte-macrophage colony-stimulating factor (GM-CSF) levels in 33 aplastic anemia patients by a specific and sensitive enzyme-linked immunosorbent assay. GM-CSF serum levels of patients with aplastic anemia were significantly higher than in healthy volunteers. GM-CSF levels were correlated with the severity of aplastic anemia but not with the absolute neutrophil count. Since T lymphocytes are one of the main sources of GM-CSF, our data provide further evidence for in vivo T lymphocyte activation in aplastic anemia. GM-CSF serum levels are higher in patients responding to immunosuppressive treatment than in nonresponders. Elevated serum GM-CSF might be predictive of a good response to immuno-suppressive therapy. GM-CSF serum levels are lower immediately after treatment with antilymphocyte globulin/antithymocyte globulin (ALG/ATG) than corresponding pretreatment values. Thus we cannot confirm the hypothesis that ALG/ATG effects in vivo are mediated by stimulating the release of growth factors. We conclude that in aplastic anemia the primary defect is a failure in GM-CSF response rather than in GM-CSF supply.
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