WO2002067978A1 - Chondrogenic potential of human bone marrow-derived cd105+ cells by bmp - Google Patents
Chondrogenic potential of human bone marrow-derived cd105+ cells by bmp Download PDFInfo
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- WO2002067978A1 WO2002067978A1 PCT/US2002/004880 US0204880W WO02067978A1 WO 2002067978 A1 WO2002067978 A1 WO 2002067978A1 US 0204880 W US0204880 W US 0204880W WO 02067978 A1 WO02067978 A1 WO 02067978A1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/18—Growth factors; Growth regulators
- A61K38/1875—Bone morphogenic factor; Osteogenins; Osteogenic factor; Bone-inducing factor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/02—Drugs for skeletal disorders for joint disorders, e.g. arthritis, arthrosis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
Definitions
- the present invention relates to the field of tissue repair including connective tissue and cartilage repair. More specifically, the present invention relates to bone morphogenetic proteins (BMPs), and compositions which play an important role in chondrogenesis. In particular, the present invention also relates to the use of BMPs for the induction of cartilaginous tissue, such as articular cartilage, as well as the use of BMPs as therapeutics to partially block the inhibitory effect of IL- 1.
- BMPs bone morphogenetic proteins
- the present invention further relates to the use of non-tissue culture expanded cells isolated from bone marrow for use in tissue repair. Further the present invention relates to compositions comprising non-tissue culture expanded cells isolated from bone marrow and bone morphogenetic proteins (BMPs) for the induction of cartilaginous tissue, such as articular cartilage.
- Articular cartilage is avascular and aneural and consists of sparsely embedded chondrocytes in a specialized microenvironment made up of dense extracellular matrix components. The chondrocytes maintain the architecture of the cartilage through balanced anabolic and catabolic functions [Curr Opin Cell Biol 1(5), 989-94(1989)].
- Cartilage injury results in the imbalance of these functions and is associated with the presence of inflammatory cytokines including interleukin-1 (IL-1) and tumor necrosis factor (TNF) [Rheumatol bit 2(2), 49- 53(1982); Arthritis Rheum 29(4), 461-70(1986); Arthritis Rheum 29(2), 262- 73(1986)].
- IL-1 interleukin-1
- TNF tumor necrosis factor
- Articular cartilage also has a limited spontaneous repair response when the cartilage is damaged by trauma or disease processes. Bone marrow-derived cell components play an important role in the repair of damaged articular cartilage by being the source of progenitor cells and related growth factors that are required for their differentiation.
- Surgical procedures aim to supply bone marrow-derived mesenchymal precursor cells to the damaged site by penetrating the underlying subchondral bone with the hope that the surrounding environment will provide the proper stimulus for differentiation of these cells.
- These procedures usually result in fibrocartilage and not articular cartilage [ Arthritis Rheum 42, 1331-1342(1998);in Articular Cartilage and Knee Joint Function: Basic Science and Arthroscopy (Ewing, J. W., ed), Raven Press, New York(1990)].
- Repair of damaged articular cartilage requires the mobilization and differentiation of these precursor cells by cytokines and factors at the site of damage.
- Bone marrow consists of two cellular components: hematopoietic cells that reside in close juxtaposition with the nonhematopoietic cells. Within the nonhematopoietic compartment is a population of cells which shows multipotential mesenchymal properties and are termed multipotential mesenchymal cells (MMCs) [ Majumdar et al Journal of Cellular Physiology.
- Mesenchymal precursor cells present in the bone marrow have the potential to differentiate into multiple connective tissue lineages including osteoblasts, chondrocytes, tenocytes, adipocytes and myocytes when placed in appropriate in vivo and or in vitro environments [Science 279, 1528-1530(1998); Bone 19, 421-428(1996); Bone 13, 81-95(1992);7Y. «we Engineering 4, 415-428 (1998);Journ ⁇ Z of Orthpedic Research 16, 406-413(1998)]. These marrow- derived mesenchymal cells acquire multipotential mesenchymal characteristics only after tissue culture expansion.
- MMCs have been isolated from the human marrow using an immunoselection procedure that recognizes a cell surface marker, endoglin (CD105) expressed by these cells [Majumdar et al Journal of Cellular Physiology 185:98-106(2000)1.
- BMPs Bone Morphogenetic Proteins
- BMPs are secreted molecules of the TGF- ⁇ superfamily of growth and differentiation factors that were originally detected in and purified from demineralized bone [Proc Natl Acad Sci U SA 85(24), 9484-8(1998)]. Twenty mammalian BMPs have been identified, and three type II receptors have been shown to bind BMPs [Trends Genet 10(1), 16-21(1994)]. BMP binding leads to dimerization of type I and II receptors prior to phosphorylation and signaling through the Smad pathway [Bone 19(6), 569-74(1996)].
- BMPs have been shown to function as key regulators in cartilage and bone development [Annu Rev Biochem 67, 753-91(1998)], and also function in repair and remodeling of the adult skeletal system [Genes Dev 3(11), 1657-68(1989); / Bone Miner Res 14(10), 1734-41 (1999); The Journal of Bone and Joint Surgery 82-A(2), 151-160(2000)].
- Sox-9 a transcription factor, has been shown to be an important downstream mediator of the BMP-2 signaling pathway [The Journal of Bone and Joint Surgery 82-A(2), 151-160(2000)]. Sox-9 is characterized by the presence of a 79 amino acid high mobility group-type DNA-binding domain with high homology to that of sex-determining region Y (Sry) [Curr Opin Genet Dev 7(3), 338-44(1997)].
- Sox-9 is expressed during embryonic development in a pattern that closely parallels that of the gene for CoUAl [Dev Dyn 209(4), 377- 86(1997); Dev Biol 183(1), 108-21(1997)] and cartilage matrix synthesis [Genes Dev 3(11), 1657-68(1989); J Bone Miner Res 14(10), 1734-41(1999); The Journal of Bone and Joint Surgery 82-A(2), 151-160(2000); Science 289(5477), 313-6(2000); JBiol Chem 275(24), 17937-45 (2000) ;Curr Opin Genet Dev 7(3), 338-44(1997); E>ev Dyn 209(4), 377-86(1997); ev Biol 183(1), 108-21(1997);N ⁇ t Genet 16(2), 174-8(1997)], suggesting a role for Sox- 9 in ch ⁇ ndrogenesis and skeletogenesis.
- BMP-2 and BMP-9 promote chondrogenic differentiation of human mesenchymal precursor cells.
- Applicants have further demonstrated that the chondrogenic potential of these BMPs were able to overcome the inflammatory effect of IL-1.
- the ability of the BMPs to stimulate matrix synthesis by articular chondrocytes and maintain chondrocyte phenotype suggest important applications including cartilage defect repair and prevention/reversal of osteoarthritis, chondrocyte phenotype.
- These BMPs may be particularly useful for cartilage differentiation, growth, maintenance and repair.
- the present invention is therefore directed to composition and methods comprising BMPs in chondrogenesis.
- compositions containing a BMP- are administered to a patient in need of cartilage repair, or having a disease or defect involving cartilaginous tissue, such as osteoarthritis.
- the present invention comprises compositions comprising an effective amount of BMP-2 or BMP-9.
- the protein may be admixed with a pharmaceutically acceptable vehicle.
- the composition may additionally include one or more additional transforming growth factor- ⁇ proteins or bone morphogenetic proteins.
- composition comprising both a BMP related protein and another TGF- ⁇ or BMP may be useful for especially useful for the treatment of articular cartilage, in which the articular surface, cartilage, subchondral bone and/or tidemark interface between cartilage and bone may need to be repaired.
- the present invention also includes methods for cartilaginous tissue healing and tissue repair, for treating osteoarthritis, or other cartilage defects, and for inducing cartilaginous tissue formation in a patient in need of same, comprising administering to said patient an effective amount of a BMP composition, h preferred embodiments the composition utilized in the methods comprises BMP-2 and/or BMP-9.
- the invention also includes heterodimeric protein molecules comprising one monomer having the amino acid sequence of a protein which is useful for the induction of chondrocytes or cartilaginous tissue, and one monomer having the amino acid sequence of another protein of the TGF- ⁇ subfamily.
- the present invention is further directed to compositions comprising non- tissue culture expanded cells isolated from bone marrow which have chondrogenic potential.
- the non-tissue culture expanded cells are CD105+ cells.
- the composition of the invention comprises non-tissue culture expanded cells isolated from human bone marrow and a protein which induces the formation of cartilage and/or bone. These cells isolated from bone marrow and non-tissue culture expanded demonstrate chondrogenic potential when treated with BMP.
- the active agent for treatment of non-tissue culture expanded cells and for use in other embodiments of the invention include one or more proteins selected from the group of proteins known as the Transforming Growth Factors-Beta (TGF- ⁇ ) superfamily of proteins, preferably selected from the Bone Morphogenetic Proteins (BMPs), the Growth and
- TGF- ⁇ Transforming Growth Factors-Beta
- BMPs Bone Morphogenetic Proteins
- GDFs Differentiation Factors
- Osteogenic proteins, DNA sequences, compositions and methods for producing them, useful in the present invention are those comprising the BMP proteins BMP-2, BMP-3, BMP-4, BMP-5, BMP-6 and BMP-7, disclosed for instance in United States Patents 5,108,922; 5,013,649; 5,116,738; 5,106,748; 5,187,076, 5,459,047, 5,849,880; and 5,141,905; BMP-8, disclosed in PCT publication WO91/18098; and BMP-9, disclosed in PCT publication WO93/00432, BMP-10, disclosed in PCT application WO94/26893; BMP-11, disclosed in PCT application WO94/26892, or BMP-12 or BMP-13, disclosed in PCT application WO95/16035 , or BMP- 15 , disclosed in PCT application WO96/36710 or BMP-16, disclosed in co-pending patent application serial
- DNA molecules and the proteins which they encode which may also be useful include those encoding Vgr-2, and any of the growth and differentiation factors [GDFs], including those described in PCT applications WO94/15965; WO94/15949; WO95/01801; WO95/01802; WO94/21681; WO94/15966; and others.
- GDFs growth and differentiation factors
- Also useful in the present invention may be BJP, disclosed in WO94/01557; and MP52, disclosed in PCT application WO93/16099. The disclosures of all of the above applications are hereby incorporated by reference for the disclosure contained therein.
- DNA molecules and the proteins which they encode which may be useful including growth factors such as epidermal growth factor (EGF), fibroblast growth factor (FGF), transforming growth factor (TGF- ⁇ and TGF- ⁇ ), hedgehog proteins such as sonic, indian and desert hedgehog, parathyroid hormone and parathyroid hormone related peptide, cadherins, activins, inhibins, and IGF, FSH, frizzled, frzb or frazzled proteins, PDGF and other endothelial growth factors, BMP binding proteins such as chordin and fetuin, estrogen and other steroids as well as truncated versions thereof, and transcription factors such as wnt proteins, mad genes and cbf a.
- growth factors such as epidermal growth factor (EGF), fibroblast growth factor (FGF), transforming growth factor (TGF- ⁇ and TGF- ⁇ ), hedgehog proteins such as sonic, indian and desert hedgehog, parathyroid hormone and parathyroid hormone related peptide, cadherins
- the isolated cells of the invention may be treated with the BMP or other cartilage inducing protein.
- the DNA sequences encoding the BMP proteins may be incorporated into the cells using methods known to those skilled in the art.
- Cells directly isolated from the marrow without expansion are preferable for therapeutic purposes for several reasons. First, selection based on adherence preferentially chooses a subpopulation of cells demonstrating a characteristic which has never been shown to necessarily correlate with chondrogenic potential. The liklihood of discarding a potential important subpopulation of cells with chondrogenic capabilities based on their inability to adhere is diminished.
- the present invention therefore further features CD105 + cells isolated from human marrow- and directly encapsulated in a 3-dimensional matrix of alginate and cultured in a serum-free medium.
- the compositions of the invention may therefore further comprise a pharmaceutically acceptable vehicle or suitable matrix.
- the present invention also includes methods for cartilaginous tissue healing and tissue repair, for treating osteoarthritis, or other cartilage defects, and for inducing cartilaginous tissue formation in a patient in need of same, • comprising administering to said patient an effective amount of a composition of the invention comprising non-tissue culture expanded cells isolated from bone marrow and a bone and/or cartilage inducing protein, hi preferred embodiments the composition comprises CD 105+ cells and BMP.
- the method of the present invention comprises administering compositions comprising these CD 105+ cells and an effective amount of BMP-2 or BMP-9.
- this method comprises administering to said patient simultaneously with the cells or subsequently an effective amount of a composition comprising BMP-2 or BMP- 9.
- Figure 1 is directed to the induction of the expression of chondrogenic markers in a time-dependant manner by BMP-2 and BMP-9.
- Figure 1A total RNA was isolated and subjected to Northern analysis with Col2Al, aggrecan and Sox-9 probes as well as a ⁇ 2-microglobulin probe as a loading control.
- Figure IB quantitation of Col2Al, aggrecan and Sox-9 signals by scanning densitometry is shown. Lanes 1, 4 and 7-untreated cells; lanes 2, 5 and 8- rhBMP-2 treated cells; lanes 3, 6 and 9-rhBMP-9 treated cells.
- Figure 2 indicates that BMP-2 and BMP-9 are able to reverse the expression of chondrogenic markers after EL-1 withdrawal.
- Figure 2 A total RNA was isolated and subjected to Northern analysis with Col2Al, aggrecan and Sox-9 probes as well as a ⁇ 2-microglobulin probe as a loading control. Expression of Col2Al, aggrecan and Sox-9 after 14 days in culture are demonstrated (lanes 1-3). Cell aliquots from the cultures were removed, washed and cultured for 72 h in media with EL-1 at 200 pg/ml (lanes 4-6). Cell aliquots of JJL-1 treated cells were removed, washed and cultured with or without BMPs for an additional 96 h (lanes 7-9). Parallel cultures with or without BMPs were also maintained for the total culture period of 21 days
- Figure 3 indicates the ability of BMP-2 and BMP-9 to overcome the inhibitory effect of IL-1.
- Figures 3 A and 3C total RNA was isolated and subjected to northern analysis with Col2Al and Sox-9 probes as well as a ⁇ 2- microglobulin probe as a loading control. Cells untreated for 21 days (lane 1) and untreated cells cultured for 14 days were treated with IL-1 for the next 7 days (lanes 2-4). Cells treated with BMP-2 for 14 days (lanes 5), aliquots of the BMP-2 treated cells were either cultured for an additional 7 days in increasing concentrations of BMP-2 (lanes 6-8) or in BMP-2 and IL-1 together (lanes 9-17).
- FIG. 4 Gene expression of cartilage specific markers by CD105 + cells in alginate cultures.
- CD105 + cells isolated from human bone marrow were encapsulated in alginate and cultured in a serum-free media (untreated) supplemented with BMP-2 or BMP-9 for 3 weeks.
- RT-PCR elisa for type ⁇ collagen, aggrecan and link protein was performed on RNA extracted from the cells. The bars represent the mean (+ SEM) from 3 donors.
- the invention is directed to compositions comprising BMPs which promote chondrogenic differentiation. These compositons are able to maintain the expression of chondrocyte specific extracellular matrix molecules in the presence of osteoarthritis-related physiological levels of EL- 1.
- the invention is further directed to methods utilzing these compositions.
- Preferred BMPs for the compositions and methods are BMP-2 and BMP-9.
- the DNA encoding and amino acid sequences of BMP-2 and methods for preparing the same are described for example in US 5,013,649, the disclosure of which is incorporated herein by reference.
- the DNA encoding and amino acid sequences of BMP-9 are disclosed in WO93/00432, the disclosure of which is incorporated herein by reference.
- the present invention is also directed to compositions comprising non- tissue culture expanded cells isolated from bone marrow which have chondrogenic potential.
- the non-tissue culture expanded cells are CD 105+ cells.
- the composition of the invention comprises non-tissue culture expanded cells isolated from human bone marrow and a protein which induces the formation of cartilage and/or bone. These cells isolated from bone marrow and non-tissue culture expanded demonstrate chondrogenic potential when treated with BMP.
- Applicant have shown these cells have the potential to be the source of precursor cells important for clinical treatments of connective tissue diseases including cartilage repair.
- the isolated cells may therefore be treated with the BMP proteins.
- the sequences encoding the BMPs may be incorporated into the cells.
- compositions and methods of the present invention find application in the induction of cartilaginous tissue or other tissue formation in circumstances where such tissue is not normally formed, and has application in the healing of cartilage, for example articular cartilage tears, deformities and other cartilage defects in humans and other animals.
- a preparation employing a cartilaginous tissue inducing protein may have prophylactic use in preventing damage to cartilaginous tissue, as well as use in the improved fixation of cartilage to bone or other tissues, and in repairing defects to cartilage tissue.
- De novo cartilaginous tissue formation induced by a composition of the present invention contributes to the repair of congenital, trauma induced, or other cartilage defects of other origin, and is also useful in surgery for attachment or repair of cartilage.
- compositions of the invention may also be useful in the treatment of arthritis and other cartilage defects.
- the compositions of the present invention can also be used in other indications wherein it is desirable to heal or regenerate cartilage tissue. Such indications include, without limitation, regeneration or repair of injuries to the articular cartilage.
- the compositions of the present invention may provide an environment to attract cartilage-forming cells, stimulate growth of cartilage- forming cells or induce differentiation of progenitors of cartilage-forming cells.
- the proteins useful in the methods of the present invention are capable of inducing the formation of cartilaginous tissue.
- cartilaginous tissue it is meant chondrocytes, and tissue which is formed by chondrocytes, which demonstrate the histological and compositional characteristics of cartilage.
- These proteins may be further characterized by the ability to demonstrate cartilaginous tissue formation activity in the assays described below. It is contemplated that these proteins may have ability to induce the formation of other types of tissue, such as tendon and ligament.
- compositions for inducing cartilaginous tissue formation of the present invention may comprise an effective amount of a cartilaginous tissue inducing protein.
- the active agent is one or more proteins selected from the group of proteins known as the Transforming Growth Factors-Beta (TGF- ⁇ ) superfamily of proteins, preferably selected from the Bone Morphogenetic Proteins (BMPs), the Growth and Differentiation Factors (GDFs), as well as other proteins, as described more fully herein.
- TGF- ⁇ Transforming Growth Factors-Beta
- BMPs Bone Morphogenetic Proteins
- GDFs Growth and Differentiation Factors
- Osteogenic proteins, DNA sequences, compositions and methods for producing them, useful in the present invention are those comprising the BMP proteins BMP-2, BMP-3, BMP-4, BMP-5, BMP-6 and BMP-7, disclosed for instance in United States Patents 5,108,922; 5,013,649; 5,116,738; 5,106,748; 5,187,076, 5,459,047, 5,849,880; and 5,141,905; BMP-8, disclosed in PCT publication WO91/18098; and BMP-9, disclosed in PCT publication WO93/00432, BMP- 10, disclosed in PCT application WO94/26893; BMP-11, disclosed in PCT application WO94/26892, or BMP-12 or BMP- 13, disclosed in PCT application WO95/16035, or BMP- 15, disclosed in PCT application WO96/36710 or BMP- 16, disclosed in co-pending patent application serial number 08/715/202, filed September 18, 1996.
- BMP-2 and BMP-9 are BMP-2 and BMP-9.
- the DNA encoding and amino acid sequences of BMP- 2 and methods for preparing the same are described for example in US 5,013,649, the disclosure of which is incorporated herein by reference.
- the DNA encoding and amino acid sequences of BMP-9 are disclosed in
- DNA molecules and the proteins which they encode which may be useful, in addition to DNA encoding a BMP protein include DNA molecules encoding other therapeutically useful agents including growth factors such as epidermal growth factor (EGF), fibroblast growth factor (FGF), FGF-4, transforming growth factor (TGF- ⁇ and TGF- ⁇ ),leukemia inhibitory factor (LIF/HILD A/DIA), insulinlike growth factors (IGF-I and IGF-II), interleukins such as EL-11, hedgehog proteins such as sonic, indian and desert hedgehog, parathyroid hormone and parathyroid hormone related peptide, cadherins, activins, inhibins, and IGF, FSH, frizzled, frzb or frazzled proteins, PDGF and other endothelial growth factors, BMP binding proteins such as chordin and fetuin, estrogen and other steroids as well as truncated versions thereof
- growth factors such as epidermal growth factor (EGF), fibroblast growth factor (FGF), FGF
- compositions of the present invention may also be used in compositions of the present invention.
- Such a composition may be useful for treating defects of the junction between cartilage, and bone form simultaneously at contiguous anatomical locations, and may be useful for regenerating tissue at the site of cartilage attachment to bone.
- cartilaginous tissue-inducing proteins also include factors encoded by the sequences similar to those of the naturally-occurring protein, but into which modifications are naturally provided (e.g. allelic variations in the nucleotide sequence which may result in amino acid changes in the polypeptide) or deliberately engineered.
- synthetic polypeptides may wholly or partially duplicate continuous sequences of the amino acid residues of the proteins.
- sequences by virtue of sharing primary, secondary, or tertiary structural and conformational characteristics with cartilaginous tissue growth or maintenance factor polypeptides of naturally-occurring proteins may possess cartilaginous or other tissue growth or maintenance factor biological properties in common therewith. Thus, they may be employed as biologically active substitutes for naturally-occurring cartilaginous tissue inducing polypeptides, and cartilaginous tissue maintenance polypeptides in therapeutic compositions and processes.
- Other specific mutations of the sequences of cartilaginous tissue inducing proteins described herein involve modifications of glycosylation sites. These modifications may involve O-linked or N-linked glycosylation sites.
- the absence of glycosylation or only partial glycosylation results from amino acid substitution or deletion at asparagine-linked glycosylation recognition sites.
- the asparagine-linked glycosylation recognition sites comprise tripeptide sequences which are specifically recognized by appropriate cellular glycosylation enzymes. These tripeptide sequences may be asparagine-X-threonine, asparagine-X-serine or asparagine-X-cysteine, where X is usually any amino acid except proline.
- a variety of amino acid substitutions or deletions at one or both of the first or third amino acid positions of a glycosylation recognition site (and/or amino acid deletion at the second position) results in non-glycosylation at the modified tripeptide sequence.
- compositions of the present invention will also result in production of a non-glycosylated protein, even if the glycosylation sites are left unmodified.
- the preparation and formulation of such physiologically acceptable protein compositions having due regard to pH, isotonicity, stability and the like, is within the skill of the art.
- the therapeutic compositions are also presently valuable for veterinary applications due to the lack of species specificity in TGF- ⁇ proteins. Particularly domestic animals and thoroughbred horses in addition to humans are desired patients for such treatment with the compositions of the present invention.
- the therapeutic method includes administering the composition topically, systemically, or locally as an injectable and/or implant or device.
- the therapeutic composition for use in this invention is, of course, in a pyrogen-free, physiologically acceptable form.
- the composition may desirably be encapsulated or injected in a viscous form for delivery to the site of tissue damage.
- Topical administration may be suitable for wound healing and tissue repair.
- Therapeutically useful agents other than the proteins which may also optionally be included in the composition as described above, may alternatively or additionally, be administered simultaneously or sequentially with the composition in the methods of the invention.
- compositions of the present invention may be used in conjunction with presently available treatments for cartilage injuries, such as suture (e.g., vicryl sutures or surgical gut sutures, Ethicon Inc., SomerviUe, NJ) or cartilage allograft or autograft, in order to enhance or accelerate the healing potential of the suture or graft.
- suture e.g., vicryl sutures or surgical gut sutures, Ethicon Inc., SomerviUe, NJ
- cartilage allograft or autograft may be soaked in the compositions of the present invention prior to implantation.
- the protein or composition of the invention onto suture materials, for example, by freeze- drying.
- compositions of the invention may be employed in methods for treating a number of cartilage defects, such as the regeneration of cartilaginous tissue in areas of cartilage damage, to assist in repair of tears of cartilage tissue, and various other types of tissue defects or wounds.
- These methods entail administering to a patient needing such cartilaginous tissue or other tissue repair, a composition comprising an effective amount of a cartilaginous tissue inducing protein, such as described in WO95/16035, the disclosure of which is hereby incorporated by reference.
- a cartilaginous tissue inducing protein such as described in WO95/16035, the disclosure of which is hereby incorporated by reference.
- These methods may also entail the administration of a cartilaginous tissue inducing protein in conjunction with at least one of the BMP proteins described above.
- the methods may entail administration of a heterodimeric protein in which one of the monomers is a cartilaginous tissue inducing BMP polypeptide and the second monomer is a member of the TGF- ⁇ superfamily of growth factors.
- these methods may also include the administration of a cartilaginous tissue inducing protein with other growth factors including EGF, FGF, TGF- ⁇ , TGF- ⁇ , and IGF.
- a further aspect of the invention is a therapeutic method and composition for repairing cartilaginous tissue, for repairing cartilage as well as treating arthritis and other conditions related to arthritis defects.
- Such compositions comprise a therapeutically effective amount of one or more cartilaginous tissue inducing proteins, such as BMP- 2 or BMP-9, in admixture with a pharmaceutically acceptable vehicle, ca ⁇ ier or matrix.
- cartilaginous tissue inducing proteins such as BMP- 2 or BMP-9
- Culture-expanded MMCs could be engineered to deliver chondrogenic growth factors to the site of articular cartilage repair. Therefore, the combination of MMCs and BMPs may provide and significantly improve clinical cartilage repair procedures.
- the dosage regimen for embodiments of the invention will be determined by the attending physician considering various factors which modify the action of the composition, e.g., amount of cartilaginous tissue desired to be formed, the site of cartilaginous tissue damage, the condition of the damaged cartilaginous tissue, the size of a wound, type of damaged tissue, the patient's age, sex, and diet, the severity of any infection, time of administration and other clinical factors.
- the dosage may vary with the type of matrix used in the reconstitution and the types of additional proteins in the composition.
- the addition of other known growth factors, such as IGF-I (insulin like growth factor I), to the final composition may also affect the dosage.
- the amount of recombinant BMP protein useful for inducing formation of cartilaginous tissue will be in an amount of about 1 to about 100 ug for a defect of approximately 20 cc in volume. In general, the amount of recombinant BMP protein useful for inducing maintenance of cartilaginous tissue will be in an amount of about 1 to about 1000 ng per ml of solution.
- the identification of patients needing treatment for various conditions including articular cartilage damage may be accomplished by procedures which are well known in the art. These procedures include measurement of bone mass/density using dual-energy X-ray absorptiometry (DEXA), Kilgus et al., L Bone & Joint Surgery, 75-B:279-287 (1992); Markel et al., Acta Ort op Scand. 61:487-498 (1990); and quantitative computed tomography (QCT), Laval-Jeantet et al., J Comput Assist Tomogr. 17:915-921 (1993); Markel, Calcif Tissue Int.
- DEXA dual-energy X-ray absorptiometry
- QCT quantitative computed tomography
- the progress can be monitored by methods known in the art, for example, X-rays, arthroscopy, histomorphometric determinations and tetracycline labeling.
- Cells directly isolated from the bone marrow without expansion have several therapeutic advantages. Selection based on adherence preferentially chooses a subpopulation of cells demonstrating a characteristic which has never been shown to necessarily correlate with chondrogenic potential. The liklihood of discarding a potential important subpopulation of cells with chondrogenic capabilities based on their inability to adhere is diminished. In vitro responses to differentiation factors during culture expansion may alter cell surface characteristics rendering the cells immunogenic to the host, and resulting in a graft versus host response after transplantation.
- the present invention it has been demonstrated that the chondrogenic differentiation of CD105 + cells is not dependent on culture and/or expansion of the cells. Based on chondrogenic differentiation of human bone marrow-derived CD105 + cells in a 3-dimensional matrix in the presence of BMPs in serum-free conditions the invention therefore features a clinical transplant protocol employing bone marrow-derived autologous cells transplanted for the repair of articular cartilage. This protocol eliminates the extended, expensive and laborious culture expansion of the cells. The present invention further features non- tissue culture expanded
- CD105 + cells isolated from human marrow- and directly encapsulated in a 3- dimensional matrix of alginate and cultured in a serum-free medium A further embodiment therefore includes a suitable matrix.
- the present invention includes methods for cartilaginous tissue healing and tissue repair, for treating osteoarthritis, or other cartilage defects, and for inducing cartilaginous tissue formation in a patient in need of same, comprising administering to said patient an effective amount of a composition of the invention comprising non-tissue culture expanded cells isolated from bone marrow and a bone and/or cartilage inducing protein.
- the composition comprises non-tissue culture expanded CD 105+ cells and BMP.
- the present invention comprises compositions comprising CD 105+ cells and an effective amount of BMP-2 or BMP-9. This method comprises administering to said patient simultaneously with the cells or subsequently an effective amount of a composition comprising BMP-2 or BMP- 9.
- compositions of the invention may include an appropriate matrix and/or sequestering agent as a carrier.
- the matrix may support the composition or provide a surface for cartilaginous tissue formation and/or other tissue formation.
- the matrix may provide slow release of the protein and/or the appropriate environment for presentation thereof.
- the sequestering agent may be a substance which aids in ease of administration through injection or other means, or may slow the migration of protein from the site of application.
- compositions may be biodegradable and chemically defined. Further matrices are comprised of pure proteins or extracellular matrix components. Other potential matrices are non-biodegradable and chemically defined. Preferred matrices include collagen- based materials, including sponges, such as Helistat ® (Integra LifeSciences, Plainsboro, N.J.), or collagen in an injectable form, as well as sequestering agents, which may be biodegradable, for example hyaluronic acid derived.
- sponges such as Helistat ® (Integra LifeSciences, Plainsboro, N.J.)
- sequestering agents which may be biodegradable, for example hyaluronic acid derived.
- Biodegradable materials such as cellulose films, or surgical meshes, may also serve as matrices. Such materials could be sutured into an injury site, or wrapped around the cartilage.
- Another preferred class of carrier are polymeric matrices, including polymers of poly(lactic acid), poly(glycolic acid) and copolymers of lactic acid and glycolic acid. These matrices may be in the form of a sponge, or in the form of porous particles, and may also include a sequestering agent. Suitable polymer matrices are described, for example, in WO93/00050, the disclosure of which is incorporated herein by reference. Additional optional components useful in the practice of the subject application include, e.g.
- cryogenic protectors such as mannitol, sucrose, lactose, glucose, or glycine (to protect the protein from degradation during lyophilization), antimicrobial preservatives such as methyl and propyl parabens and benzyl alcohol; antioxidants such as EDTA, citrate and BHT (butylated hydroxytoluene); and surfactants such as poly(sorbates) and poly(oxyethylenes).
- Preferred families of sequestering agents include blood, fibrin clot and/or cellulosic materials such as alkylcelluloses (including hydroxyalkylcelluloses), including methylcellulose, ethylcellulose, hydroxyethylcellulose, hydroxypropylcellulose, hydroxypropyl- methylcellulose, and carboxymethylcellulose, the most preferred being cationic salts of carboxymethylcellulose (CMC).
- alkylcelluloses including hydroxyalkylcelluloses
- CMC carboxymethylcellulose
- Other preferred sequestering agents include hyaluronic acid, sodium alginate, poly(efhylene glycol), polyoxyethylene oxide, carboxyvinyl polymer and poly(vinyl alcohol).
- the amount of sequestering agent useful herein is 0.5-20 wt%, preferably 1-10 wt% based on total formulation weight, which represents the amount necessary to prevent desorbtion of the protein from the polymer matrix and to provide appropriate handling of the composition, yet not so much that the progenitor cells are prevented from infiltrating the matrix, thereby providing the protein the opportunity to assist the activity of the progenitor cells.
- components of the composition may be encapsulated in a resorbable polymer delivery system, such as polylactic acid, polyglycolic acid or copolymers thereof, polyorthoesters, polyorthocarbonates, and other polymers. Suitable polymers are disclosed for example in EP 0145240, the disclosure of which is hereby incorporated by reference.
- the BMP may be encapsulated in liposomes
- liposome delivery of TGF- ⁇ protein is described in United States Patent 5,206,023, 5,270,300; and 5,368,858, the disclosure of each of which are hereby incorporated by reference.
- Both of these delivery systems may be modified to provide for release of BMP at a later time, or over a more sustained time period, allowing for the beneficial effects of the BMP on chondrocyte and cartilage maintenance to act complementary to the beneficial effects of the BMP on induction of chondrocytes and cartilaginous tissue.
- the proteins and compositions of the present invention may also be useful for treating cell populations, such as embryonic cells or stem cell populations, to enhance or enrich the growth, differentiation and/or maintenance of the cells.
- the treated cell populations may be useful for gene therapy applications.
- the following examples illustrate practice of the present invention in demonstrating BMP promotion of chondrogenic differentiation of human mesenchymal precursor cells and the ability of these BMPs to overcome the inflamatory effect of EL-1.
- the following examples further illustrate practice of the present invention in demonstrating BMP promotion of chondrogenic differentiation of non-tissue culture expanded human mesenchymal precursor cells.
- MMCs Human MMCs were isolated according to previously reported procedure [Journal of Cellular Physiology 176, 57-669(1998)]. Mononuclear cells (MNCs) were isolated from human bone marrow samples according to a modification of a previously reported method [J Cell Physiol 185(1), 98- 106(2000). Total nucleated cells in the marrow sample was diluted to a concentration of 7x10° cells per ml with isolation buffer (calcium and magnesium free phosphate-buffered saline (PBS), 2% bovine serum albumin (BSA), 0.6% sodium citrate and 1% penicillin-streptomycin).
- isolation buffer calcium and magnesium free phosphate-buffered saline (PBS), 2% bovine serum albumin (BSA), 0.6% sodium citrate and 1% penicillin-streptomycin).
- CD105 + cells were collected as the column eluate, while the CD105 + cells remained attached to the column. CD105 + cells were recovered from the column by removing it from the magnet and flushing out the cells with MACS buffer. CD105 + cells were plated in 185 cm 2 Nunclon Solo flasks (Nunc Inc., Naperville, JL) at a density of 5-7.5X10 5 cells per flask and cultured in complete medium consisting of Alpha-MEM supplemented with 10% fetal bovine serum (FBS, Hyclone, Logan, UT) and 1% antimycotic- antibiotic at 37°C in 5% CO 2 in air. Medium was changed after 48 h and thereafter every 3-4 days.
- FBS fetal bovine serum
- cells were detached by incubation with 0.05% trypsin-EDTA and designated primary (pO) and replated for expansion at a density of 1X10 6 cells per flask as passage 1 cells.
- the cells reached 90% of confluence in 6-7 days, after which they were either passaged as mentioned, used in other assays or stored in 90% FBS and 10% dimethyl sulphoxide in liquid nitrogen for future use.
- the cells used for this study were derived from passage 2 or passage 3.
- the CD105 + were designated MMCs as they are of mesenchymal origin and have multipotential differentiation capability.
- MMCs were encapsulated in alginate according to a previously reported procedure [J Cell Physiol 185(1), 98-106(2000)]. Briefly, MMCs were detached and washed with wash buffer (0.15M NaCl, 25 mM Hepes, pH 7.0) and resuspended at a density of 25X10 6 per ml in 1.2% alginate in wash buffer.
- the medium was changed to chemically defined medium consisting of DMEM with high glucose, lOOnM dexamethasone (Sigma), 50 ⁇ g/ml ascorbic acid-2-phosphate (WAKO Pure Chemicals, Tokyo, Japan), 100 ⁇ g/ml of sodium pyruvate (Life Technologies), 50 ⁇ g/ml proline (Sigma), 1% JTS-Premix (Becton Dickenson, Bedford, MA) and 100 ng/ml rhBMP-2 or rhBMP-9.
- the medium was changed twice a week for the next 2-3 weeks.
- RNA was isolated from the cells in order to examine the expression of genes at various time intervals during the culture.
- MMCs were cultured in alginate for 14-21 days in the serum-free media with or without BMPs for chondrogenic differentiation.
- beads were washed and cultured in the media with 200 pg/ml of JL-1 (Roche Biochemicals, Indianapolis, IN) for 72 h (dayl7) as reported in a previous study [Journal of Cellular Physiology 176, 57-66(1998)].
- the beads were again washed and cultured in media with BMPs for 96 h (day 21).
- RNA was isolated from the cells at days 14, 17 and 21.
- MMCs were cultured in alginate beads for 14 days and subsequently for an additional 7 days in BMPs alone, JL-1 alone or in various combinations of JL-1 and BMPs together.
- RNA was isolated from the cells at days 14 and 21.
- the expanded cells were encapsulated in a 3-dimensional alginate matrix and cultured in serum free media with or without JL-11 and BMP- 9 to analyze their potential to undergo chondrogenic differentiation.
- RNA pellet was resuspended in lysis buffer (4M guanidinium isothiocynate, 0.03M sodium acetate and 0.4 g/ml of cesium chloride) and the lysate was layered over 5.7M cesium chloride and centrifuged for 18 h at 155,000 X g in a SW40 rotor (Beckman, Palo Alto, CA). The RNA pellet was dissolved in water at 0.5-1 mg/ml. For northern blot analysis, 5 ⁇ g of total RNA per sample was fractionated on 1% formaldehyde- agarose gels.
- the gene probes for northern analysis was prepared as PCR amplified products using specific oligonucleotide primers as listed in Table I and the amplified products were confirmed by sequencing. These probes were radiolabeled by [ ⁇ - 32 P]dCTP (NEN Life Sciences Products) using the random primer method as recommended by the manufacturer (Amersham Pharmacia Biotech Inc., NJ) and hybridized in ultrahyb solution (Ambion) overnight. Col2Al hybridization was performed at 54°C and all others were performed at 42°C.
- RT-PCR was performed using total RNA as a template, oligonucleotide primers, RNA PCR core kit (Perkin- Elmer, Norfolk, CT). The amplified products were analyzed on a 1.2% E-gels (Invitrogen, Carlsbad,CA).
- Antisense 5' -CGATGCCTTTCACCACGACTT-3'
- MMCs cultured in alginate and stimulated by TGF- ⁇ 3 express Col2Al and differentiate along the chondrogenic lineage [/ Cell Physiol 185(1), 98- 106(2000)].
- monolayer culture-expanded MMCs from 3 donors were further cultured in a 3- dimensional alginate matrix in the presence of 100 ng/ml of rhBMP-2 or rhBMP- 9. RT-PCR was performed on RNA extracted from cells at various time intervals to detect the expression of Col2Al.
- Sox-9 showed a basal level of expression in the untreated cells, but underwent an observable upregulation in cells treated with BMPs. Therefore, it is contemplated that MMCs in alginate cultures are induced to differentiate along the chondrogenic lineage by BMP-2 and BMP-9.
- RNA isolated from MMCs cultured in alginate beads at day 5, 10 and 15 were subjected to northern analysis.
- the results showed (Figure 1) that Col2Al gene expression was detected at day 10 with a sequential increase at day 15. Aggrecan expression was detected at day 5 and showed a progressive increase with days in culture.
- BMP-9 treated cells showed higher expression of both Col2Al and aggrecan than BMP-2 treated cells.
- the results indicate that aggrecan expression responds earlier than Col2Al expression when MMCs are treated with BMP-2 and BMP-9.
- BMP-9 Exposure of the chondrocytic-differentiated cells to an increasing concentration of BMP-2 for an additional 7 days (lanes 6-8) increased expression of Col2Al and Sox-9. A similar effect was observed with BMP-9 treatment (lanes 19-21), although maximal response to BMP-9 was achieved at the lowest dose of 100 ng/ml. Both BMP-2 and BMP-9 were able to partially prevent the IL-1 induced suppression of Col2Al and Sox-9 (lanes 9-17 and 22-30 respectively) especially at the lowest concentration of IL-1 used (20 pg/ml). hi addition, BMP-9 was able to maintain a higher level of Col2Al expression at all concentrations of IL-1. These observations showed that BMPs are potent molecules that have the ability to function as anabolic factors in an environment containing inflammatory cytokines.
- MNCs Mononuclear cells
- MACS magnetic-activated cell sorting
- the cells were then washed and separated on a magnetic column MS + (Miltenyi Biotec) according to the manufacturer's recommendation.
- the column eluate consisted of the CD 105 " cells.
- the attached CD105 + cells were recovered by removing the column from the magnet and flushing out the cells with MACS buffer.
- a small fraction (5-7.5X10 5 ) of the CD105 + cells were plated in 185 cm 2 Nunclon Solo flasks (Nunc Inc., Naperville, JL) in complete medium consisting of Alpha-MEM supplemented with 10% fetal bovine serum (FBS, Hyclone, Logan, UT) and 1% antimycotic-antibiotic (Life Technologies, Gaithersburg, MD) at 37°C in 5% CO 2 in air to analyze for the plating efficiency of the cells.
- FBS fetal bovine serum
- Hyclone Hyclone
- Logan, UT fetal bovine serum
- antimycotic-antibiotic Life Technologies, Gaithersburg, MD
- Nonspecific fluorescence was determined using equal aliquots of cell preparation that were incubated with mouse isotype monoclonal antibodies. Data were collected by analyzing 10,000-50,000 events on a Becton Dickson instrument (San Jose, CA) using Cell-Quest software.
- the CD105 + cells were encapsulated in alginate by modification of a previously reported procedure (Majumdar et al., 2000). Cells were washed with wash buffer (0.15M NaCl, 25 mM Hepes, pH 7.0) and resuspended at a density of 10-20X10 6 per ml in 1.2% alginate in wash buffer. Individual beads of the cell suspension were then slowly expressed through a 20-gauge needle into a solution containing 102 mM CaCl 2 and 25 mM Hepes (pH7.0). The beads were allowed to polymerize for 10 min, washed once in wash buffer, three times in complete medium and cultured overnight in the same medium at 37°C with 5% CO 2 in air.
- the alginate beads were cultured in the above medium (untreated) or medium supplemented with 100 ng/ml BMP-2, or BMP-9 (treated).
- the medium was changed twice a week for the next 3 weeks.
- MNCs as well as CD 105 " cells were also encapsulated in alginate beads at the same cell concentration and cultured similarly.
- RNA Preparation and Analysis CD 105 + cells from multiple donors were encapsulated in alginate beads and cultured for 3 weeks. At the end of the culture period, cells were recovered from the beads, total RNA was extracted from the cell pellet by RNeasy kit (Qiagen, Valencia, CA) and reverse transcriptase-polymerase chain reaction (RT-PCR)-elisa was performed according to a previously reported procedure (Majumdar et al., 1998).
- RNeasy kit Qiagen, Valencia, CA
- RT-PCR reverse transcriptase-polymerase chain reaction
- RT-PCR was performed using total RNA as a template, oligonucleotide primers (Table H), RNA PCR core kit (Perkin-Elmer, Norfolk, CT), and substituting the deoxy-nucleotides with digoxigenin-labeled nucleotides (Roche Biochemicals, Indianapolis, IN) to label the amplified products. Elisa was performed as recommended by the manufacturer (Roche Biochemicals , Indianapolis, IN). The data for each untreated and treated sample from each donor were normalized to b2-microglobulin. Progression was determined by cartilage specific markers including type EL collagen, aggrecan and link protein. For each donor the expression of type II collagen, aggrecan and link protein was computed as fold increase over untreated.
- RT-PCR elisa analysis ( Figure 4) showed that in comparison to untreated cells, BMP-2 and BMP-9 treated cells had a significant increase in gene expression for chondrogenic specific genes including Col2Al , aggrecan and link protein suggesting that the CD 105+ cells were undergoing chondrogeic differentiatiton.. In contrast, MNCs as well as CD 105- cells did not show any evidence of chondrogenic differentiation. Table II Oligonucleotide primers for RT-PCR elisa.
- Antisense 5'-CTCACCACGATCACCCTTGAC-3' Probe: 5'-Biotinylated GAGAGAGGATTCCCTGGCTT-3'
- Jmmunohistochemistry was performed to detect the presence of type JJ collagen protein in the alginate according to a previously reported procedure (Majumdar et al., 2000). Alginate beads from cultures were washed with water and incubated in lOOmM barium chloride for lOmin for irreversible polymerization. The beads were then washed with water again and fixed in 10% buffered formalin and embedded in paraffin. Sections of alginate beads were incubated with goat anti-type II collagen antibody (Southern Biotechnology Associates, Birmingham, AL).
- Immunoreactivity was detected by incubating sections with biotinylated anti-goat antibody and horse radish peroxidase H reagents (Vector Laboratqries, Burlingame, CA). Signal was developed by treating the sections with peroxidase substrate 3,3'-diaminobenzidine (DAB) and H 2 O 2 . Images were recorded on 35mm slide film and multipanel figures were made with Photoshop (Adobe Systems, San Jose, CA). Experimental controls consisted of alginate sections stained with nonimmune primary antibody followed by secondary antibody. The results indicate that in comparison to the untreated cells, BMP-2 and BMP-9 treated cells showed a significant presence of type TJ collagen protein.
- DAB peroxidase substrate 3,3'-diaminobenzidine
- Type II collagen protein was present in the intercellular region due to the secretion of the protein by the differentiating cells and subsequent entrapment in the alginate matrix. Alginate sections stained with nonimmune primary antibody did not show any immunoreactivity.
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JP2002567343A JP2004521128A (en) | 2001-02-23 | 2002-02-19 | Chondrogenic potential of human bone marrow-derived CD105 + cells by BMP |
CA002438934A CA2438934A1 (en) | 2001-02-23 | 2002-02-19 | Chondrogenic potential of human bone marrow-derived cd105+ cells by bmp |
NZ528320A NZ528320A (en) | 2001-02-23 | 2002-02-19 | Composition for inducing cartilaginous tissue formation and maintenance comprising a non-culture expanded CD105+ cells and a BMP |
EP02721048A EP1379268A1 (en) | 2001-02-23 | 2002-02-19 | Chondrogenic potential of human bone marrow-derived cd105?+ cells by bmp |
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