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  • Title: Non-immunological release of histamine from rat mast cells elicited by antineoplastic agents.
    Author: Botana LM, Arnaez E, Vieytes MR, Alfonso A, Bujan MJ, Louzao MC, Cabado A.
    Journal: Cancer Chemother Pharmacol; 1992; 29(6):495-8. PubMed ID: 1373674.
    Abstract:
    We studied the histamine-releasing activity of several antineoplastic drugs on rat pleural and peritoneal mast cells. The drugs tested included the nitrogen mustards cyclophosphamide and ifosfamide, the nitrosourea carmustine, the triazene dacarbazine, the folic acid analogue methotrexate, the pyrimidine analogue cytarabine and fluorouracil, the vinca alkaloids vinblastine, vincristine and Vinorelbine, the epipodophyllotoxins etoposide and teniposide, and the enzyme L-asparaginase. Methotrexate, carmustine, fluorouracil, vinblastine and vincristine failed to elicit histamine release on rat mast cells. All of the other drugs evoked histamine release in both the presence and the absence of extracellular calcium, but ifosfamide, cytarabine and asparaginase induced a much lower release in the absence of this cation. The response elicited by cytarabine and etoposide was much higher in pleural than in peritoneal mast cells. These results indicate that some antineoplastic drugs may directly activate the release of histamine, which could contribute to some of their secondary effects.
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