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    • 3. 发明申请
    • IN VIVO AMELIORATION OF ENDOGENOUS ANTI-TUMOR AUTOANTIBODIES TARGETING SURFACE TUMOR ANTIGENS VIA LOW-DOSE P4N
    • 通过低剂量P4N体内诱导表达肿瘤抗原的内源性抗肿瘤自体抗体
    • WO2017173022A1
    • 2017-10-05
    • PCT/US2017/024905
    • 2017-03-30
    • THE JOHNS HOPKINS UNIVERSITYNATIONAL CHIAO TUNG UNIVERSITY
    • HUANG, Ru Chih C.MOLD, DavidJACKSON, TiffanyLIN, Yu-LingLIAO, Kuang-Wen
    • A61K31/435A61P35/00
    • In accordance with the present invention, the immunoregulatory activity of low doses of P 4 N was investigated. Unlike previously described antitumor drugs, low dose P 4 N, in doses of about 1 to 10 mg/kg, or at concentrations of about 10 to 100 nM, was surprisingly found to contribute to humoral immunity by raising the titers and activities of autoantibodies against GRP78 and F1F0 ATP synthase on the surface of CT26 cells, and inducing B cell proliferation and differentiation of plasma cells. Methods for inducing endogenous antitumor autoantibodies (EAA) in a subject having a neoplasia comprising administering to the subject an effective amount of the nordihydroguaiaretic acid (NDGA) derivative P4N, or salts, solvates and stereoisomers thereof, as well as methods for inducing B cell proliferation, inducing BAFF stimulated B cell proliferation, and suppressing or inhibition growth of a neoplasia are also provided.
    • 根据本发明,研究了低剂量的P N 4 N的免疫调节活性。 与先前描述的抗肿瘤药物不同,以约1至10mg / kg的剂量或以约10至100nM的浓度的低剂量P 4 N令人惊讶地发现通过提高 CT26细胞表面抗GRP78和F1F0 ATP合酶自身抗体的滴度和活性,诱导B细胞增殖和分化浆细胞。 在具有瘤形成的受试者中诱导内源性抗肿瘤自身抗体(EAA)的方法,包括给受试者施用有效量的去甲二氢愈创木酸(NDGA)衍生物P4N或其盐,溶剂化物和立体异构体,以及诱导B细胞增殖 ,诱导BAFF刺激的B细胞增殖,并且还提供了抑制或抑制瘤形成的生长。