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    • 8. 发明授权
    • Use of neutral soluble glucan preparations to stimulate platelet
production
    • 使用中性可溶性葡聚糖制剂刺激血小板生成
    • US5488040A
    • 1996-01-30
    • US60418
    • 1993-05-11
    • Spiros JamasD. Davidson Easson, Jr.Gary R. Ostroff
    • Spiros JamasD. Davidson Easson, Jr.Gary R. Ostroff
    • A61K31/715A61K31/716C08B37/00C12P19/04C07H1/00C07H3/00
    • A61K31/716A61K31/715C08B37/0024C12P19/04
    • The present invention relates to neutral soluble .beta.-glucans which exert potent and specific hematopoietic and immunological effects without stimulating the production of certain cytokines, to preparations containing the novel .beta.-glucans, and to a novel manufacturing process therefor. The neutral soluble glucan preparation has a high affinity for the .beta.-glucan receptor of human mono-cytes and retains two primary biological (or immunological) activities, (1) the enhancement of microbicidal activity of phagocytic cells, and (2) monocyte and neutrophil hemopoietic activity. Unlike soluble glucans described in the prior art, the neutral soluble glucan of this invention neither induces nor primes IL-1 and TNF production in vitro and in vivo. Safe and efficacious preparations of neutral soluble glucan of the present invention can be used in therapeutic and/or prophylactic treatment regimens of humans and animals to enhance their immune response, without stimulating the production of certain biochemical mediators (e.g., IL-1, TNF and leukotrienes) that can cause detrimental side effects, such as fever and inflammation.
    • 本发明涉及在不刺激某些细胞因子产生的情况下发挥有效和特异性的造血和免疫学作用的中性可溶性β-葡聚糖,含有新型β-葡聚糖的制剂及其制造方法。 中性可溶性葡聚糖制剂对人单核细胞的β-葡聚糖受体具有高亲和力,并保留两种主要的生物(或免疫)活性,(1)增强吞噬细胞的杀微生物活性,和(2)单核细胞和嗜中性粒细胞 造血活性。 与现有技术中描述的可溶性葡聚糖不同,本发明的中性可溶性葡聚糖在体外和体内都不诱导或引发IL-1和TNF产生。 本发明的中性可溶性葡聚糖的安全有效的制剂可用于人和动物的治疗和/或预防性治疗方案中,以增强其免疫应答,而不刺激某些生物化学介质(例如IL-1,TNF和 白细胞三烯),其可引起有害的副作用,例如发烧和炎症。