WO2007044413A2 - Wwox gene, vectors containing the same, and uses in treatment of cancer - Google Patents
Wwox gene, vectors containing the same, and uses in treatment of cancer Download PDFInfo
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- WO2007044413A2 WO2007044413A2 PCT/US2006/038824 US2006038824W WO2007044413A2 WO 2007044413 A2 WO2007044413 A2 WO 2007044413A2 US 2006038824 W US2006038824 W US 2006038824W WO 2007044413 A2 WO2007044413 A2 WO 2007044413A2
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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
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/44—Oxidoreductases (1)
- A61K38/443—Oxidoreductases (1) acting on CH-OH groups as donors, e.g. glucose oxidase, lactate dehydrogenase (1.1)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K48/00—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
- A61K48/005—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy characterised by an aspect of the 'active' part of the composition delivered, i.e. the nucleic acid delivered
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K48/00—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
- A61K48/0075—Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy characterised by an aspect of the delivery route, e.g. oral, subcutaneous
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
- C12N15/85—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
- C12N15/86—Viral vectors
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12Y—ENZYMES
- C12Y101/00—Oxidoreductases acting on the CH-OH group of donors (1.1)
- C12Y101/01—Oxidoreductases acting on the CH-OH group of donors (1.1) with NAD+ or NADP+ as acceptor (1.1.1)
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N2710/00—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA dsDNA viruses
- C12N2710/00011—Details
- C12N2710/10011—Adenoviridae
- C12N2710/10311—Mastadenovirus, e.g. human or simian adenoviruses
- C12N2710/10341—Use of virus, viral particle or viral elements as a vector
- C12N2710/10343—Use of virus, viral particle or viral elements as a vector viral genome or elements thereof as genetic vector
Definitions
- the invention generally relates to compositions and methods for controlling abnormal cell growth, including but not limited to, that found in cancer, and in particular, lung cancer.
- Lung cancer is the leading cause of cancer mortality in the United States
- Nonsmall cell lung cancer accounts for about 80% of lung cancers. Surgery remains the main therapy for NSCLC, but a large fraction of patients cannot undergo curative resection. Despite new drugs and therapeutic regimens, the prognosis for lung cancer patients has not significantly changed in the last 10 years.
- Recombinant virus gene therapy has been investigated in lung cancer patients; adenovirus (Ad) and retrovirus encoding wild-type p53 have been injected intratumorally in lung cancer clinical trials (2-6).
- Recombinant Ad injection in lung cancer phase I studies (T) has demonstrated safety and feasibility, and phase I/II clinical trials are currently recruiting patients to evaluate toxicity and efficacy of gene therapy with recombinant Ads.
- WWOX fragment histidine triad gene (8) at fragile site FRA3B (9). Fragile regions are particularly susceptible to damage on exposure to environmental carcinogens, which are etiological factors in lung cancer. Recently, Yendamuri et al. (H)) have demonstrated that the WWOX(WW domain containing oxidoreductase) gene is also altered in a fraction of nonsmall cell lung cancers. WWOX is located at fragile site FRA 16D (Ii) and encodes a 414-aa protein with two WW domains and a short-chain dehydrogenase domain. WW domains are protein-protein interaction domains, and Wwox interactors with important signaling roles in normal epithelial cells have been identified.
- Wwox interacts with ⁇ 73 and can trigger redistribution of nuclear p73 to the cytoplasm, suppressing its transcriptional activity (12). Wwox also interacts with Ap2-T transcription factors with roles in cell proliferation (IT). Most recently, Wwox has been reported to compete with Yap protein for binding to the intracellular ErbB4 domain, a transcriptional activator (14). Thus, the Wwox pathway includes a number of downstream signaling proteins that may also serve as cancer therapeutic targets. [0005] The WWOX gene is altered in many types of cancer, including breast, ovary, prostate, bladder, esophagus, and pancreas (15 . -19).
- the invention provides methods for treating cancer in a subject, comprising administering to the subject a polynucleotide encoding a functional WWOX gene product.
- the cancer is chosen from lung cancer, breast cancer, ovarian cancer, prostate cancer, bladder cancer, esophageal cancer, and pancreatic cancer.
- the administration comprises gene therapy, and in some embodiments, recombinant viral gene therapy, such as recombinant adenoviral gene therapy.
- the invention further provides methods of treating cancer in a subject comprising inducing Wwox expression in at least one cancer cell of the subject.
- the invention also provides methods of inducing cell growth inhibition in a cancer cell line comprising inducing expression of Wwox in the cell line.
- the cancer cell or cancer cell line is lung cancer.
- the invention also provides polynucleotides comprising: a polynucleotide encoding a functional WWOX gene product; and a heterologous promoter operatively linked to the polynucleotide encoding the functional WWOX gene product.
- the two ends of the polynucleotide are linked, resulting in a circular polynucleotide.
- the invention also provides vectors comprising a WWOX gene product expression cassette comprising: a polynucleotide encoding a functional WWOX gene product; and a heterologous promoter operatively linked to the polynucleotide encoding the functional WWOX gene product.
- the vector is a viral vector, and in some embodiments, the viral vector is a recombinant adenoviral vector.
- the invention also provides cells comprising the viral vector according to the invention.
- the cells may be lung cells, and in particular, lung cancer cells.
- the invention also provides pharmaceutical compositions for treating cancer in a subject, comprising: a viral vector, said vector comprising a WWOX gene product expression cassette, said cassette comprising a polynucleotide encoding a functional WWOX gene product and a heterologous promoter operatively linked to the polynucleotide encoding said functional WWOX gene product; and a pharmaceutically acceptable excipient.
- the viral vector may be, for example, a recombinant adenoviral vector.
- the composition is formulated for inhalation.
- the invention still further provides a plasmid, comprising: a polynucleotide encoding a functional WWOX gene product; and a heterologous promoter operatively linked to the polynucleotide encoding said functional WWOX gene product.
- the invention also provides cells comprising the plasmid according to the invention.
- the invention also includes methods of treating cancer in a subject, comprising administering to the subject a therapeutic compound capable of reactivating a WWOX gene.
- the subject is a human.
- the reactivation of the WWOX gene results in induction of apoptosis.
- Fig. 1 Expression of Wwox protein.
- Wwox is detected in U2020 and MCF7 cells but not in H1299, H460, or A549 cells (50 ⁇ g of proteins loaded). Lane 1, H1299; lane 2, H460; lane 3, A549; lane 4, U2020; lane 5, MCF-7. (B) Expression of Wwox after infection with Ad-WWOX (25 ⁇ g loaded).
- Lane 1 H1299, Ad-WWOX-infected; lane 2, H1299, Ad-GFP-infected; lane 3, H1299; lane 4, H460, Ad-WWOX-infected; lane 5, H460, Ad-GFP-infected; lane 6, H460; lane 7, A549, Ad-WWOX-infected; lane 8, A549, Ad-GFP-infected; lane 9, A549.
- FIG. 2 Flow cytometry analysis of untreated, Ad-GFP-, and Ad-
- WWOX-infected cells Wwox-negative A549, H460, and H1299 cells undergo apoptosis 5 days after restoration of Wwox expression by Ad-WWOX infection, but U2020 cells are unaffected. Ad-GFP infection did not induce apoptosis.
- A Growth of uninfected, Wwox-negative A549, H460, and Hl 299 cells, and cells after infection with Ad-GFP and Ad-WWOX.
- B Immunoblot detection of PARP and caspase 3.
- Fig. 4 Inducible expression of Wwox in H1299/I cells.
- A Cells were cultured in the presence (+) or absence (-) of 10 ⁇ M ponA for 48 hr and tested for Wwox expression. Clones 7 and 2, which expressed the transgene only upon induction with ponA, were used in subsequent experiments. GAPDH expression served as loading control.
- Fig. 5 Effect of Wwox expression on tumorigenicity of lung cancer cells.
- A Tumor volume of untreated, Ad-GFP-, and Ad-WWOX-infected A549, H460, and U2020 lung cancer cells. Restoration of Wwox expression in A549 and H460 cells suppressed tumor growth significantly (P ⁇ 0.001) compared with Ad-GFP infected cells.
- B Tumor volume of untreated, Ad-GFP-, and Ad-WWOX-infected H1299 cells and H1299/r and H1299/I + cells. Tumors were suppressed in Ad- WWOX-infected H1299 cells and in H1299/I + cells.
- Q Examples of tumor formation by uninfected, Ad-GFP-, and Ad-WWOX-infected A549, H1299/T, and H1299/I + cells.
- Fig. 6 Ex vivo analysis of H1299/T and H1299/I + cells.
- A Protein lysates from H 1299 (lane 1), uninduced H 1299/1 " (lanes 2, 3, and 4), and induced H 1299/I + (lane 5) tumors tested for Wwox expression by immunoblot analysis. Wwox was not expressed in the H1299/F or H1299/I + tumors.
- B A portion of the H1299I ⁇ tumor was plated and cultured, and cells were treated with ponA. Wwox was reexpressed after 48 hr of treatment with 10 ⁇ M ponA, indicating the presence of the inducible WWOX plasmid.
- Fig. 7 Table 1 - Tumor weight (in grams) ⁇ SD in nude mice.
- WWOXcDNA from normal human liver RNA was reverse-transcribed by Superscript First-Strand Synthesis (Invitrogen).
- Double-stranded cDNA was prepared by PCR amplification using the following conditions: 95°C for 3 min, 30 cycles at 94°C for 30 sec, 65°C for 60 sec, 72°C for 30 sec, and 72°C for 7 min; WWOX forward S'-GCCAGGTGCCTCCACAGTCAGCC-S' and JWOJf reverse 5'- TGTGTGTGCCC ATCCGCTCTGAGCTCC AC-3' primers were used.
- the cDNA was cloned into Adenovator-CMV5(CuO)-IRES-Gi ?
- P transfer vector (Qbiogene) (11). This vector allows transgene expression driven by the cumate-inducible CMV5(CuO) promoter. An internal ribosome entry site sequence ensures coexpression of GFP.
- the recombinant plasmid, Ad-WWOX was transfected into modified human fetal kidney HEK-293 CymR cells (Qbiogene) constitutively expressing the CymR protein, which represses the CMV5(CuO) promoter and expression of Wwox during packaging and expansion of the WWOX A ⁇ . After 14-21 days, homologous recombination occurred in cells, leading to plaque formation.
- Plaques were isolated, and viruses were amplified in HEK-293 CymR cells and purified by CsCl gradient centrifugation. Titers were determined by absorbance measurement (number of viral particles per ml) and plaque assay (plaque-forming units/ml), and transgene expression was assessed by immunoblot using Wwox monoclonal antibody (21). Cells were transduced with recombinant Ads at increasing multiplicities of infection (mois) (number of viral particles per cell), and transduction efficiency was determined by visualization of GFP-expressing cells.
- mois multiplicities of infection
- H1299/I clones were selected and tested for inducible WWOX expression after ponA (5-10 ⁇ M) treatment.
- ponA 5-10 ⁇ M
- Western Blot Analysis Protein extraction and immunoblot analysis were performed as described in ref. 13. The following primary antisera were used: mouse monoclonal anti-Wwox, 1:500; rabbit polyclonal anti-caspase 3, 1 :1,000 (Cell Signaling Technology, Beverly, MA); rabbit polyclonal anti-caspase 9, 1 :200 (Santa Cruz Biotechnology); mouse monoclonal anti-caspase 8 (Cell Signaling Technology), 1:1,000; rabbit polyclonal anti-PARP [poly(ADP-ribose) polymerase], 1:1,000 (Cell Signaling Technology); and rabbit polyclonal anti- ⁇ -actin, 1:1,000 (Cell Signaling Technology).
- Cell Growth and Cell Cycle Kinetics Cells (2 x 10 5 ) were infected at mois of 10, 25, 50, 75, and 100 and, at 24 hr intervals, were harvested, stained with trypan blue, and counted (ViCeIl counter, Beckman Coulter). For flow cytometry, cells were harvested 5 days after infection, fixed in cold methanol, RNase-treated, and stained with propidium iodide (50 ⁇ g/ml). Cells were analyzed for DNA content by EPICS-XL scan (Beckman Coulter) by using doublet discrimination gating. All analyses were performed in duplicate.
- H1299 cells were infected in vitro with Ad-GFP or Ad-WWOX at a moi of 100.
- H1299/I cells were treated with 10 ⁇ MponA (H1299/I + cells) to induce Wwox expression.
- H1299/I + injected mice were evaluated for Wwox expression by immunoblot analysis. Fragments from H 1299/I + tumors were cultured and treated with 10 ⁇ M ponA for 2 days to detect expression of inducible Wwox by immunoblot.
- Statistical Analysis Results of in vitro and in vivo experiments were expressed as mean ⁇ SD. Student's two-sided t test was used to compare values of test and control samples. P ⁇ 0.05 indicated significant difference.
- Wwox overexpression were assessed after infection at several mois, with Ad-WWOX or Ad-GFP.
- a sub-Gi population was observed after Ad- WWOX infection in A549, H460, and H 1299 cells that do not express endogenous Wwox but not in endogenous Wwox-positive U2020 cells.
- Ad-GFP infection did not modify cell cycle profiles.
- Wwox induction of cell death was moi- and time-dependent (data not shown).
- H 1299, and U2020 lung cancer cell lines were infected with increasing mois, and the fraction of transduced cells was monitored by confocal microscopy and cell cycle kinetics analyses. Significant differences were observed in cell growth for Ad-WWOX and Ad-GFP infection, at a range of mois, in lung cancer cell lines (A549, H460, and H1299) lacking endogenous Wwox (Fig. 3A). U2020 cells were unaffected by exogenous Wwox expression.
- H1299/I clone 7 expressed the WWOX transgene only on induction withponA (Fig. AA) and was used in subsequent experiments. Wwox expression increased in a dose-dependent manner after ponA treatment (Fig. AB) from 24 to 72 hr (Tig. 4O.
- Clone 7 H1299/T (uninduced) cells were plated, and, 24 hr later (day 1),
- Nude mice were inoculated with 5 x 10 6 A549, H460, and U2020 cells infected in vitro at a moi of 100 with Ad-GFP or Ad-WWOX and cultured for 24 hr. Uninfected cells served as tumorigenic controls. At 28 days after injection, tumor growth was completely suppressed in mice inoculated with Ad-WWOX-mfected H460 cells (Fig. 5A). The average tumor weights for controls (Ad-GFP and untreated H460 cells) at day 28 were 0.61 ⁇ 0.15 g and 0.64 ⁇ 0.11 g, respectively.
- mice inoculated with Ad-WWOX-mfected A549 cells showed no tumors, and average tumor weight was 0.08 ⁇ 0.03 g, significantly lower (P ⁇ 0.001) than tumors of Adr GF/Mnfected A549 (0.81 ⁇ 0.16 g) and mock-infected A549 (0.86 ⁇ 0.15 g) cells (Table 1).
- mice injected with infected U2020 cells no tumor growth suppression was observed (Fig. 5A).
- Wwox expression delivered by viral infection (Ad- WWOX) or by induction of expression of an inactive "endogenous" WWOX gene (H 1299/I + ), was effective in suppressing lung cancer cell growth in nude mice.
- Ad- WWOX Ad- WWOX
- H 1299/I + an inactive "endogenous" WWOX gene
- the ponA-inducible expression of Wwox can be considered a model for the effects of WWOX reactivation after silencing by epigenetic mechanisms.
- the extent of loss of tumorigenicity after restoring inducible Wwox expression was comparable to the tumor suppression observed after Ad- WWOX expression, both in vitro and in vivo, suggesting that massive overexpression of Wwox is not necessary to effect tumor suppression. This finding suggests that drugs capable of reactivating the epigenetically silenced WWOX gene could be effective in treatment of lung cancer.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2008534659A JP2009511482A (en) | 2005-10-05 | 2006-10-04 | WWOX gene, vectors containing the same, and use in the treatment of cancer |
US12/083,067 US20090270484A1 (en) | 2005-10-05 | 2006-10-04 | WWOX Vectors and Uses in Treatment of Cancer |
AU2006302496A AU2006302496A1 (en) | 2005-10-05 | 2006-10-04 | WWOX gene, vectors containing the same, and uses in treatment of cancer |
EP06825457A EP1940456A4 (en) | 2005-10-05 | 2006-10-04 | Wwox gene, vectors containing the same, and uses in treatment of cancer |
CA002624531A CA2624531A1 (en) | 2005-10-05 | 2006-10-04 | Wwox gene, vectors containing the same, and uses in treatment of cancer |
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US72375205P | 2005-10-05 | 2005-10-05 | |
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WO2007044413A3 WO2007044413A3 (en) | 2007-11-08 |
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JP (1) | JP2009511482A (en) |
CN (1) | CN101312740A (en) |
AU (1) | AU2006302496A1 (en) |
CA (1) | CA2624531A1 (en) |
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US8946187B2 (en) | 2010-11-12 | 2015-02-03 | The Ohio State University | Materials and methods related to microRNA-21, mismatch repair, and colorectal cancer |
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US9249468B2 (en) | 2011-10-14 | 2016-02-02 | The Ohio State University | Methods and materials related to ovarian cancer |
US9481885B2 (en) | 2011-12-13 | 2016-11-01 | Ohio State Innovation Foundation | Methods and compositions related to miR-21 and miR-29a, exosome inhibition, and cancer metastasis |
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Also Published As
Publication number | Publication date |
---|---|
CN101312740A (en) | 2008-11-26 |
EP1940456A2 (en) | 2008-07-09 |
CA2624531A1 (en) | 2007-04-19 |
AU2006302496A1 (en) | 2007-04-19 |
WO2007044413A3 (en) | 2007-11-08 |
EP1940456A4 (en) | 2009-10-21 |
JP2009511482A (en) | 2009-03-19 |
US20090270484A1 (en) | 2009-10-29 |
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