×

Cartilage and bone repair and regeneration using postpartum-derived cells

  • US 20050019865A1
  • Filed: 06/25/2004
  • Published: 01/27/2005
  • Est. Priority Date: 06/27/2003
  • Status: Active Grant
First Claim
Patent Images

1. A postpartum-derived cell comprising a cell derived from human postpartum tissue substantially free of blood, wherein said cell is capable of self-renewal and expansion in culture and has the potential to differentiate into a cell of an osteogenic or chondrogenic phenotype;

  • wherein said cell requires L-valine for growth;

    wherein said cell is capable of growth in about 5% to about 20% oxygen;

    wherein said cell further comprises at least one of the following characteristics;

    (a) production of at least one of granulocyte chemotactic protein 2 (GCP-2), reticulon 1, tissue factor, vimentin, and alpha-smooth muscle actin;

    (b) lack of production of at least one of GRO-alpha or oxidized low density lipoprotein receptor, as detected by flow cytometry;

    (c) production of at least one of CD10, CD13, CD44, CD73, CD90, PDGFr-alpha, PD-L2 and HLA-A,B,C;

    (d) lack of production of at least one of CD31, CD34, CD45, CD80, CD86, CD117, CD141, CD178, B7-H2, HLA-G, and HLA-DR,DP,DQ, as detected by flow cytometry;

    (e) expression, which relative to a human cell that is a fibroblast, a mesenchymal stem cell, or an ileac crest bone marrow cell, is increased for at least one of interleukin 8;

    reticulon 1;

    chemokine (C-X-C motif) ligand 1 (melanoma growth stimulating activity, alpha);

    chemokine (C-X-C motif) ligand 6 (granulocyte chemotactic protein

         2);

    chemokine (C-X-C motif) ligand 3; and

    tumor necrosis factor, alpha-induced protein 3 or expression, which relative to a human cell that is a fibroblast, a mesenchymal stem cell, or an ileac crest bone marrow cell, is increased for at least one of C-type lectin superfamily member A2, Wilms tumor 1, aldehyde dehydrogenase 1 family member A2, renin, oxidized low density lipoprotein receptor 1, protein kinase C zeta, clone IMAGE;

    4179671, hypothetical protein DKFZp564F013, downregulated in ovarian cancer 1, and clone DKFZp547K1113;

    (f) expression, which relative to a human cell that is a fibroblast, a mesenchymal stem cell, or an ileac crest bone marrow cell, is reduced for at least one of;

    short stature homeobox 2;

    heat shock 27 kDa protein 2;

    chemokine (C-X-C motif) ligand 12 (stromal cell-derived factor

         1);

    elastin;

    cDNA DKFZp586M2022 (from clone DKFZp586M2022);

    mesenchyme homeobox 2;

    sine oculis homeobox homolog 1;

    crystallin, alpha B;

    dishevelled associated activator of morphogenesis 2;

    DKFZP586B2420 protein;

    similar to neuralin 1;

    tetranectin;

    src homology three (SH3) and cysteine rich domain;

    B-cell translocation gene 1, anti-proliferative;

    cholesterol 25-hydroxylase;

    runt-related transcription factor 3;

    hypothetical protein FLJ23191;

    interleukin 11 receptor, alpha;

    procollagen C-endopeptidase enhancer;

    frizzled homolog 7;

    hypothetical gene BC008967;

    collagen, type VIII, alpha 1;

    tenascin C;

    iroquois homeobox protein 5;

    hephaestin;

    integrin, beta 8;

    synaptic vesicle glycoprotein 2;

    cDNA FLJ12280 fis, clone MAMMA1001744;

    cytokine receptor-like factor 1;

    potassium intermediate/small conductance calcium-activated channel, subfamily N, member 4;

    integrin, alpha 7;

    DKFZP586L151 protein;

    transcriptional co-activator with PDZ-binding motif (TAZ);

    sine oculis homeobox homolog 2;

    KIAA1034 protein;

    early growth response 3;

    distal-less homeobox 5;

    hypothetical protein FLJ20373;

    aldo-keto reductase family 1, member C3 (3-alpha hydroxysteroid dehydrogenase, type II);

    biglycan;

    fibronectin 1;

    proenkephalin;

    integrin, beta-like 1 (with EGF-like repeat domains);

    cDNA clone EUROIMAGE 1968422;

    EphA3;

    KIAA0367 protein;

    natriuretic peptide receptor C/guanylate cyclase C (atrionatriuretic peptide receptor C);

    hypothetical protein FLJ14054;

    cDNA DKFZp564B222 (from clone DKFZp564B222);

    vesicle-associated membrane protein 5;

    EGF-containing fibulin-like extracellular matrix protein 1;

    BCL2/adenovirus E1B 19 kDa interacting protein 3-like;

    AE binding protein 1;

    cytochrome c oxidase subunit VIIa polypeptide 1 (muscle);

    neuroblastoma, suppression of tumorigenicity 1; and

    insulin-like growth factor binding protein 2, 36 kDa;

    (g) secretion of at least one of monocyte chemotactic protein-1, interleukin (IL)-6, IL-8, granulocyte chemotactic protein-2, hepatocyte growth factor, keratinocyte growth factor, fibroblast growth factor, heparin binding-epidermal growth factor, brain derived neurotrophic factor, thrombopoietin, macrophage inflammatory protein (MIP)-1a, RANTES, and tissue inhibitor of matrix metalloprotease 1;

    (h) lack of secretion of at least one of transforming growth factor-beta2, angiopoetin-2, platelet derived growth factor-bb, MIP1b, 1309, macrophage-derived chemokine, and vascular endothelial growth factor, as detected by ELISA; and

    (i) the ability to undergo at least 40 population doublings in culture.

View all claims
  • 8 Assignments
Timeline View
Assignment View
    ×
    ×