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    • 2. 发明授权
    • Isolated myeloid-like bone marrow cell populations and methods of treatment therewith
    • 分离的骨髓样骨髓细胞群体及其治疗方法
    • US07931891B2
    • 2011-04-26
    • US11884958
    • 2006-02-24
    • Martin FriedlanderMatthew R. RitterStacey K. Moreno
    • Martin FriedlanderMatthew R. RitterStacey K. Moreno
    • A01N65/00A01N1/02A01K48/00
    • C12N5/0647A61K2035/124C12N5/0692
    • The present invention provides an isolated myeloid-like cell population comprising a majority of cells that are lineage negative, and which express both CD44 antigen, CD11b antigen, and hypoxia inducible factor 1 α (HIF-1 α). These cells have beneficial vasculotrophic and neurotrophic activity when intraocularly administered to the eye of a mammal, particularly a mammal suffering from an ocular degenerative disease. The myeloid-like cells are isolated by treating bone marrow cells, peripheral blood cells or umbilical cord cells with an antibody against CD44 (hyaluronic acid receptor), against CD11b, CD14, CD33, or against a combination thereof and using flow cytometry to positively select CD44 and/or CD11b expressing cells therefrom. The isolated myeloid-like bone marrow cells of the invention can be transfected with a gene encoding a therapeutically useful protein, for delivering the gene to the retina.
    • 本发明提供了分离的骨髓样细胞群,其包含谱系阴性的大部分细胞,并表达CD44抗原,CD11b抗原和缺氧诱导因子1α(HIF-1α)。 当眼内施用于哺乳动物,特别是患有眼变性疾病的哺乳动物的眼睛时,这些细胞具有有益的血管营养和神经营养活性。 通过用针对CD44(透明质酸受体)的抗体对CD11b,CD14,CD33或其组合处理骨髓细胞,外周血细胞或脐带细胞来分离骨髓样细胞,并使用流式细胞术积极选择 CD44和/或CD11b表达细胞。 本发明的分离的骨髓样骨髓细胞可以用编码治疗有用的蛋白质的基因转染,用于将该基因递送至视网膜。