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The Isoflavone Genistein Inhibits Proliferation and Increases Histamine Content in Human Leukemic Mast Cells

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Mast cells are involved in allergic inflammation and some rare disorders such as systemic mastocytosis and mast cell leukemia. Certain naturally occurring flavonoids have been shown to inhibit mast cell activation and promote maturation of secretory granules. Here, we report that the isoflavone genistein inhibited the growth of human leukemic mast cells (HMC-1) by 68.8, 51.6, and 30.2% at 10-4, 10-5, and 10-6 M, respectively, at day 3 (p < 0.001). Genistein at 10-4 M increased the histamine content per 2 × 105 cells at day 3 from 5.9 ± 1.2 g/mL to 11.1 ± 1.3 g/mL (n = 6; p < 0.0001). These results indicate that genistein can inhibit proliferation and induce maturation of HMC-1 cells.
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Document Type: Original Article

Publication date: 01 September 2003

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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