Assertion: bone marrow's cell | /r/HasProperty | treg cells
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text: cells (Treg cells) increased significantly at 3 and 6 months, and a fall in serum IL-4 (with a non-significant increase of IFN-γ) was interpreted by the authors as indicative of improvement of pathogenic Th2 imbalance, though animal lupus models have shown the opposite cytokine change .