WO2010059779A1 - Cellule t11 en tant que régulateur transcriptionnel - Google Patents

Cellule t11 en tant que régulateur transcriptionnel Download PDF

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WO2010059779A1
WO2010059779A1 PCT/US2009/065072 US2009065072W WO2010059779A1 WO 2010059779 A1 WO2010059779 A1 WO 2010059779A1 US 2009065072 W US2009065072 W US 2009065072W WO 2010059779 A1 WO2010059779 A1 WO 2010059779A1
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tell
cells
activator protein
subject
treating
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PCT/US2009/065072
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English (en)
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Carlo M. Croce
Yuri Pekarsky
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The Ohio State University Research Foundation
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Priority to EP09828195A priority Critical patent/EP2352524A1/fr
Priority to US13/129,881 priority patent/US20110311555A1/en
Priority to CN2009801530248A priority patent/CN102271706A/zh
Priority to CA2744326A priority patent/CA2744326A1/fr
Priority to JP2011537606A priority patent/JP2012509886A/ja
Priority to AU2009316584A priority patent/AU2009316584A1/en
Publication of WO2010059779A1 publication Critical patent/WO2010059779A1/fr

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A61P35/02—Antineoplastic agents specific for leukemia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • A61P37/02—Immunomodulators
    • A61P37/04—Immunostimulants
    • 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

Definitions

  • This invention relates generally to the field of molecular biology. More particularly, it concerns methods for inhibiting development of mature B cell leukemia in a subject by inhibiting deregulation of Tell in cells in the subject. [0004] Certain aspects of the invention include application in diagnostics, therapeutics, and prognostics of B cell lymphocytic leukemia associated disorders.
  • B-CLL B cell chronic lymphocytic leukemia
  • TCLl T cell leukemia/ lymphoma 1
  • B-CLL and aggressive human B-CLLs overexpress Tell, indicating that deregulation of TCLl is critically important in the pathogenesis of the aggressive form of B-CLL.
  • Tell is a coactivator of the Akt oncoprotein, a critical antiapoptotic molecule in T cells. More recently, it has been reported that transgenic mice expressing constitutively active myristylated Akt in T cells develop T cell leukemias. These results suggest that Akt may be responsible for Tell -mediated lymphomagenesis in T cells. Akt could be robustly activated in mouse B cells by homozygous deletion of Pten. Surprisingly, these mice did not develop B cell malignancies, suggesting that Tell deregulation in B cells causes B-CLL by mechanisms other than Akt activation.
  • NF-KB pathway in B-CLL For example, transgenic expression of a proliferation-inducing TNF ligand (APRIL), a member of the TNF superfamily involved in NF-KB activation, resulted in significant expansions of B220+CD5+ cells.
  • APRIL proliferation-inducing TNF ligand
  • B-CLL B cell chronic leukemia
  • a method of treating a subject with a B cell chronic lymphocytic leukemia associated disease comprising: administering a therapeutically effective amount of a composition capable of inhibiting overexpression of T cell leukemia/lymphoma 1 (Tell) by one or more of: i) inhibiting the NF- KB pathway in the cells, and ii) activating activator protein 1 (AP-I) in the cells.
  • Tell T cell leukemia/lymphoma 1
  • API activating activator protein 1
  • B-CLL B cell chronic lymphocytic leukemia
  • a method of treating a B cell chronic lymphocytic leukemia (B-CLL) associated disease in a subject comprising: determining the amount of at least Tell expressed in cells in the subject, relative to control cells Tell; and altering the amount of Tell expressed in the subject by administering to the subject an effective amount of at least one compound for inhibiting expression of Tell by one or more of: i) inhibiting the NF- ⁇ B pathway in the cells, and ii) activating activator protein 1 (AP-I) in the cells, such that proliferation of the B-CLL associated disease in the subject is inhibited.
  • B-CLL B cell chronic lymphocytic leukemia
  • a method of assessing the effectiveness of a therapy to prevent, diagnose and/or treat a B cell chronic lymphocytic leukemia associated disease comprising: subjecting an animal to a therapy whose effectiveness is being assessed, and determining the level of effectiveness of the treatment being tested in treating or preventing a B cell chronic lymphocytic leukemia associated disease, by evaluating at least one biomarker for Tell.
  • the candidate therapeutic agent comprises one or more of: pharmaceutical compositions, nutraceutical compositions, and homeopathic compositions. Also, in certain embodiments, the therapy being assessed is for use in a human subject.
  • an agent that interferes with a B cell chronic lymphocytic leukemia associated disease response signaling pathway for the manufacture of a medicament for treating, preventing, reversing or limiting the severity of a B cell chronic lymphocytic leukemia associated disease complication in an individual, wherein the agent comprises at least one biomarker for Tell.
  • a method of treating, preventing, reversing or limiting the severity of a B cell chronic lymphocytic leukemia associated disease complication in an individual in need thereof comprising: administering to the individual an agent that interferes with at least a B cell chronic lymphocytic leukemia associated disease response cascade, wherein the agent comprises at least one biomarker for Tell which: i) inhibits the NF- ⁇ B pathway in the cells, and/or ii) activates activator protein 1 (AP-I) expression in the cells.
  • an agent that interferes with at least a B cell chronic lymphocytic leukemia associated disease response cascade
  • the agent comprises at least one biomarker for Tell which: i) inhibits the NF- ⁇ B pathway in the cells, and/or ii) activates activator protein 1 (AP-I) expression in the cells.
  • an agent that interferes with at least a B cell chronic lymphocytic leukemia associated disease response cascade for the manufacture of a medicament for treating, preventing, reversing or limiting the severity of a cancer-related disease complication in an individual, wherein the agent comprises at least one biomarker for Tell which: i) inhibits the NF- ⁇ B pathway in the cells, and/or ii) activates activator protein 1 (AP-I) expression in the cells.
  • an antibody which binds to an epitope on Tell wherein the antibody modulates at least one of: an interaction between the epitope and activator protein 1 (AP-I).
  • a pharmaceutical composition comprising such antibody.
  • a method of treating a B-CLL disease state in which the activity of activator protein 1 (AP-I) is altered in a mammal comprising administering to the mammal a therapeutically effective amount of an antibody capable of binding to an epitope on a Tell protein, thereby modulating a Tell enhanced activity of the activator protein 1 (AP-I).
  • a method of treating a B-CLL disease state in which the activity of activator protein 1 (AP-I) is altered in a mammal comprising: administering to the mammal a therapeutically effective amount of a peptide fragment of activator protein 1 (AP-I), wherein the peptide fragment binds to the activator protein 1 (AP-I), thereby modulating a Tell enhanced kinase activity of the activator protein 1 (AP-I).
  • API activator protein 1
  • a compound comprising a Tell mimic, wherein the Tell mimic binds to an activator protein 1 (AP-I) in any cell and is functionally active in mimicking a Tell enhanced activation of the activator protein 1 (AP-I).
  • API activator protein 1
  • a method of treating a disease state in which the activity of activator protein 1 (AP-I) is altered in a mammal comprising administering to the mammal a therapeutically effective amount of a Tell mimic, wherein the Tell mimic binds to the activator protein 1 (AP-I), thereby activating a Tell enhanced kinase activity of the activator protein 1 (AP-I).
  • a compound comprising a Tell antagonist, wherein the Tell antagonist binds to activator protein 1 (AP-I) in any cell and is functionally active in modulating a Tell enhanced activation of the activator protein 1 (AP-I).
  • API activator protein 1
  • Figs. 1A-1C Tell activates NF- ⁇ B-dependent transcription:
  • Fig. IA Chromatograms of sequences surrounding T381, E40D, R52H mutations obtained from sequencing of buccal swab constitutional DNA, B-CLL DNA, and results of RT-PCR (for T381 mutant) using RNA from B-CLL cells.
  • Fig. IB Tell activates NF- ⁇ B.
  • NIH 3T3 cells were cotransfected with 50 ng of pNF-kB-Luc reporter and 50 ng of pRL-TK Renilla reporter constructs.
  • 1.5 ⁇ g of CMV5-empty vector, or a combination of 0.75 ⁇ g of CMV5-empty vector and 0.75 ⁇ g of CMV5-Tcll WT, or CMV5-Tcll T381 constructs were used.
  • Five nanograms of pFC- MEKK were added where indicated.
  • Cells were treated with 200 nmol/L of Wortmannin overnight, where indicated.
  • the normalized promoter activity of pNF-kB-Luc in NIH 3T3 cells transfected with CMV5-empty vector was set as 1.
  • Fig. 1C Tell interacts with p300.
  • Upper Some 293 cells were cotransfected with p300-HA and Omni-Fhit or p300-HA and Omni-Tcll constructs. After lysis, immunoprecipitations were carried out with anti-HA, IgG, or anti-omni antibodies. Western blot analysis was carried out as indicated.
  • Daudi cells were lysed and immunoprecipitations were carried out with anti-Tcll antibody, IgG, or anti-p300 antibody. Unlabeled higher band in the Tell panel represents IgG. Western blot analysis was carried out as indicated.
  • Figs. 2A-2G Tell inhibits AP-I activity:
  • Fig. 2A Some 293 cells were cotransfected with 500 ng of pAP-1-Luc reporter and 50 ng of pRL-TK Renilla reporter constructs. In addition, 1.5 ⁇ g of CMV5-empty vector, CMV5-TcllWT, or mutant constructs and 2.5 ng of pFC-MEKK (where indicated) were used. Cells were treated with 200 nmol/L of Wortmannin overnight, where indicated. The normalized promoter activity of pAP-1-Luc in HEK293 cells transfected with CMV5- empty vector was set as 1.
  • Fig. 2B Same as in Fig. 2A, except instead of pFC-MEKK construct, 5 ng of c-
  • Fos-V5, c-Jun, JunB, or combinations of 5 ng of c-Fos-V5 and S ng of c-Jun or JunB were added, as indicated.
  • Fig. 2C Some 293 cells were cotransfected with c-Fos-V5 and CMV5-Tcll WT or c-Fos-V5 and CMV5-Tcll T381 constructs. After lysis, immunoprecipitations were carried out with anti-c-Fos, IgG, or anti-Tcll antibodies. Western blot analysis was carried out as indicated.
  • Figs. 2D-2F Some 293 cells were cotransfected with myc-Tcll T381 or myc-Fhit with c-Fos-V5 (Fig. 2D), c-Jun-HA (Fig. 2E), or JunB (Fig. 2F), as indicated. After lysis, immunoprecipitations were carried out with anti-myc, IgG, and anti-c-Fos (Fig. 2D), anti-HA (Fig. 2E), and anti-JunB (Fig. 2F) antibodies as indicated. Western blot analysis was carried out with the indicated antibodies. [0036] Fig.
  • FIG. 2G Some 293 cells were transfected with myc-Tcll and treated with 50 ng/mL PMA and 1 ⁇ g/mL ionomycin to increase endogenous c-Jun expression, 2 h before lysis. Immunoprecipitations were carried out with anti-c-Jun, IgG, or anti-myc antibodies.
  • Fig. 2H Daudi cells were treated with 50 ng/mL PMA and 1 ⁇ g/mL ionomycin 2 h before lysis. Immunoprecipitations were carried out with anti-Tcll, IgG, or anti-c-Jun antibodies.
  • Fig. 2H Daudi cells were treated with 50 ng/mL PMA and 1 ⁇ g/mL ionomycin 2 h before lysis. Immunoprecipitations were carried out with anti-Tcll, IgG, or anti-c-Jun antibodies.
  • Figs. 4A-4 Tell inhibits MEKKl -mediated cell death:
  • Fig. 4A Some 293 cells were transfected with 1.5 ⁇ g of pCMV5 -empty vector
  • Figs. 4B-4C Some 293 cells were transfected with 1.5 ⁇ g of pCMV5-empty vector, or 0.5 ⁇ g of pFC-MEKK and 1 ⁇ g of pCMV5-empty or pCMV5-Tcll WT constructs.
  • Fig. 4B Percentage of apoptotic cells. For each transfection at least 20 fields were selected for counting the percentage of dead cells (indicated by fragmented nucleus).
  • Fig. 4C Results of the same experiment were visualized by using confocal microscopy.
  • B cell chronic lymphocytic leukemia (B-CLL) is the most common human leukemia.
  • TCLl T cell leukemia/lymphoma 1
  • A-I activator protein 1
  • Tell physically interacts with c-Jun, JunB, and c-Fos and inhibits AP-I transcriptional activity. Additionally, Tell activates NF- ⁇ B by physically interacting with p30O/CREB binding protein.
  • TCLl gene was sequenced in 600 B-CLL samples and 2 heterozygous mutations were found: T38I and R52H. It is to be noted that both mutants showed gain of function as AP-I inhibitors. The results indicate that Tell overexpression causes B-CLL by directly enhancing NF- ⁇ B activity and inhibiting AP-I.
  • B-CLL-specific gain-of-function Tell mutants were developed.
  • the TCLl gene in 600 B-CLL samples was sequenced. Sequencing analysis of all coding TCLl exons resulted in the identification of 2 heterozygous mutations resulting in amino acid substitutions, T38I and R52H (Fig. IA).
  • Fig. IA The R52H mutation was also present in the matched normal buccal swab DNA (Fig. IA Right), showing a constitutional variation.
  • the RT-PCR results showed that the T38I mutant TCLl mRNA was the major expressed allele in the B-CLL of origin, accounting for 80% of the TCLl mRNA, and the R52H allele was the only allele expressed (Fig. IA).
  • KB a system based on the ability of mitogen-activated protein kinase kinase 1 (MEKKl) was used to activate an NF-KB reporter construct, pNF- ⁇ B-Luc expressing luciferase under the control of an NF- ⁇ B-responsive element.
  • MEKKl mitogen-activated protein kinase kinase 1
  • NIH 3T3 cells were transfected with the constructs indicated in Fig. IB.
  • Fig. IB shows that Tclll activated NF- ⁇ B activity about 4-fold (50 versus 13), whereas the 2 mutants activated activity 2- to 3-fold.
  • Fig. IB shows that wortmannin did not affect the ability of Tell to activate NF-
  • the transcriptional activator CREB binding protein/p300 is a ubiquitous nuclear transcription factor involved in transactivation mediated by several signaling pathways, including the NF- ⁇ B pathway. Because p300 is a coactivator of NF- ⁇ B, the inventors herein investigated whether Tell interacts with p300. First, coimmunoprecipitation experiments were carried out, cotransfecting tagged Tell and p300 constructs into 293 cells.
  • Fig. lC-Upper shows that p300 was coimmunoprecipitated with Tell
  • Fig. lC-Lower shows that p300 was detected in Tell immune complexes
  • Tell was coimmunoprecipitated with p300. This shows that Tell induces NF- ⁇ B-dependent transcription by interacting with p300, perhaps changing its conformation and enhancing its ability to function as an NF- ⁇ B coactivator.
  • a system based on the ability of MEKKl was used to activate an AP-I reporter construct, pAP-1-Luc, expressing luciferase under the control of an AP-I- responsive element.
  • Some 293 cells were transfected with the constructs indicated in Figs. 2A-2H.
  • the inventors herein also investigated whether Tell WT and mutants inhibit the activity of endogenous AP-I in 293 cells. The 293 cells were transfected with MEKKl to activate AP-I.
  • Fig. 2A shows that AP-I activity was induced 652-fold by MEKKl.
  • Tell expression inhibited AP-I dependent transactivation ⁇ 2.5-fold, whereas Tell T38I caused a dramatic ⁇ 100-fold inhibition (652 versus 6.3).
  • the R52H mutant also showed a more potent effect compared with WT Tell (176 versus 287, compared with 652). Similar results were obtained with cells treated with wortmannin (Fig. 2A).
  • Tell expression inhibited AP-I- dependent transactivation -2.5-fold, whereas the T38I mutant caused 150-fold inhibition (981 versus 6.5).
  • Akt To determine whether Tell inhibits individual components of the AP-I complex, similar experiments were carried out using WT Tell and the T38I mutant. AP-I was activated by overexpression of single AP-I components rather than by using MEKKl.
  • Fig. 2B-Left shows that Tell inhibits separately c-Fos, c-Jun, and Jun-B, whereas
  • Figs. 2C-2F show results of these experiments using transiently expressed proteins.
  • T38I mutant protein showed much robust coimmunoprecipitation with c-Fos than WT Tell (Fig. 2C-Lower vs. Fig. 2C-Upper), suggesting a relation with its more potent inhibition of AP-I compared with WT Tell.
  • the specificity of this interaction is shown in Fig.
  • Fig. 2G shows that endogenous c-Jun coimmunoprecipitated with transfected Tell in 293 cells, whereas Tell was detected in immune complexes of endogenous c-Jun.
  • Physical interaction of endogenous Tell and c-Jun in Daudi cells is shown in Fig. 2H.
  • Tell was present in immune complexes of endogenous c-Jun, and c-Jun was coimmunoprecipitated with Tell.
  • Fig. 2G and Fig. 2H because c-Jun is expressed at very low levels, cells were pretreated with phorbol 12-myristate 13-acetate (PMA) and ionomycin.
  • PMA phorbol 12-myristate 13-acetate
  • Tell induces NF-KB-dependent transcription and represses AP-I -dependent transcription by participating directly in transcriptional complexes (Fig. 1 and Fig. 2); as such, the inventors herein now believe that these actions of Tell will result in cell death inhibition.
  • MEKKl induces apoptosis in 293 cells by c-jun N-terminal kinase (JNK) and AP-I activation, the inventors used the construct expressing the kinase domain of MEKKl that was used to induce AP-I in Fig. 2.
  • Figs. 4A-C show that Tell indeed inhibits AP-1-mediated apoptosis in 293 cells.
  • PARPl poly(ADP-ribose) polymerase 1
  • Tell functions as an AP-I inhibitor, thus providing important insights concerning molecular mechanisms involved in B-CLL development. The importance of these results is greatly enhanced by the fact that the somatic T38I mutant showed gain-of-function properties.
  • the R52H mutation was present in constitutional DNA of the same patient and also led to gain of function in AP-I inhibition. While not wishing to be bound by theory, the inventors herein believe that this change represents a rare polymorphism causing genetic predisposition to B-CLL.
  • the physical interaction between Tell and transcription factors such as p300 and AP-I components provides a novel molecular mechanism of Tell function and proves that this function of Tell is independent of Akt.
  • Tell has other functions (for example, as a transporter).
  • NF-KB or activate AP-I may be useful in treatment of the aggressive form of B-CLL.
  • a total of 600 B-CLL samples were obtained after informed consent from patients diagnosed with B-CLL from the CLL Research Consortium. Research was performed with the approval of the Institutional Review Board of Ohio State University. Briefly, blood was obtained from CLL patients, and lymphocytes were isolated through Ficoll/Hypaque gradient centrifugation (Amersham) and processed for RNA extraction by using the standard TRlzol method.
  • Oligonucleotides used in genomic DNA PCR and sequencing were:
  • TCL1_149F 5'-CATGCTGCCCGGATATAAAG-S' [SEQ ID NO: I];
  • TCL1_539R 5'-TGCCTGGAGAACTCCTATTCAT-S' [SEQ ID NO: 2];
  • TCL13 1 F 5'- GAAGTGAGCTTCAGGGAACAGT-S'; [SEQ ID NO: 3];
  • Oligonucleotides used in RT-PCR and sequencing were:
  • TCL1D5 5'- CCTGTGGGCCTGGGAGAAGT-3' [SEQ ID NO: 5] and
  • TCL1R5 5'-TCCTCCACGCCGTCAATCTT-S' [SEQ ID NO: 6].
  • WT and mutant TCLl and FHIT ORFs were cloned into the pCMV-2xMyc vector, modified from the pCMV-Myc vector (BD Biosciences) with an added Myc tag, creating Myc tags at both 5' and 3' termini.
  • the resulting constructs were named 2xMyc-Tcll WT, 2xMyc-Tcll T381, and 2xMyc-Fhit.
  • c-Jun-HA was constructed by inserting the c-Jun ORF into the pCMV-HA vector (BD Biosciences).
  • the c-Fos-V5 construct was purchased from Invitrogen.
  • the p300-HA construct was purchased from Upstate Biotechnology.
  • the Akt- HA construct has been described previously (Pekarsky Y., et al. (2000) Tell enhances Akt kinase activity and mediates its nuclear translocation; Proc Nat/ Acad Sci USA 97:3028- 3033).
  • the Dual-luciferase Reporter Assay System and Renilla luciferase reporter vector pRL-TK were purchased from Promega.
  • the AP-I reporter construct, pAPl-Luc, NF-KB reporter construct, pNF-kB-Luc and the construct encoding the kinase domain of MEKKl under control of the CMV promoter, pFC-MEKK, were purchased from Stratagene.
  • NIH 3T3 and 293 cells were grown in RPMI medium 1640 with 10% FBS and lOO.sg/L gentamicin at 37 0 C.
  • FuGene 6 transfection reagent and protease inhibitor mixture tablets were obtained from Roche.
  • Transfections, except luciferase assay experiments, cell lysate preparations, and Western blot analysis were carried out. Immunoblots were developed by using Pierce ECL Western blot analysis substrate or SuperSignal West Femto Maximum Sensitivity Substrate from Thermo Scientific.
  • Antibodies used were: anti-Tcll (sc-32331 for Western blot analysis and immunoprecipitation with p300; sc-11156 and sell 155 for immunoprecipitation with c-Jun), anti-Omni (sc-7270 for immunoprecipitation and Western blot analysis; sc-499 for immunofluorescence), anti-p300 (sc-32244), anti-Myc (9E10), anti-Myc-HRP (9E10), anti-c-Jun (sc-1694 for immunoprecipitation), anti-Jung (sc- 8051 for immunoprecipitation; sc-46 for Western blot analysis), anti-c-Fos (sc-447 for immunoprecipitation and immunofluorescence) (Santa Cruz Biotechnology), anti-c-Jun (610326 for Western blot analysis, BD Biosciences), anti-HA (HA.1 1) (Covance), anti-V5- HRP (Invitrogen), rat anti-HA (
  • HEK293 cells were grown on human fibronectin Cellware 2- well culture slides
  • Immunofluorescence experiments were carried out with a Zeiss LCM 510 confocal microscope. Secondary antibodies used for immunofluorescence were as follows: goat anti-mouse Alexa Fluor 546 (red), goat anti-rat Alexa Fluor 647 (far-red), and goat anti- rabbit Alexa Fluor 488 (green), all purchased from Invitrogen.
  • NIH 3T3 or 293 cells were transfected with the indicated constructs. Firefly and renilla luciferase activities were assayed with the dual luciferase assay system (Promega), and firefly luciferase activity was normalized to renilla luciferase activity, as suggested by the manufacturer. All experiments were carried out in triplicate and repeated 3 times with consistent results.
  • Apoptosis was assessed by scoring the number of cells displaying fragmented nuclei, stained with 10.sg/mL of Hoechst 33342 (Invitrogen). An alternative method of apoptosis detection was also used.
  • HEK 293 cells were transfected with either 1.5 ⁇ g of pCMV5-empty vector or 0.5 ⁇ g of pFC-MEKK with l ⁇ g of pCMV5-empty or pCMV5-Tcll WT or pCMV5-Tcll T381 constructs. Twenty-four hours later both dead and live cells were collected and lysed. These lysates were probed with anti-PARPl antibody (556362; BD Biosciences). The 116-kDa intact form of PARPl was present in both nonapoptotic and apoptotic cells. The 85-kDa PARPl cleavage fragment was present only in apoptotic cells.
  • the invention provides methods of treatment and prophylaxis by administration to a subject an effective amount of a therapeutic, i.e., a monoclonal (or polyclonal) antibody, viral vector, Tell mimic or Tell antagonist of the present invention.
  • a therapeutic i.e., a monoclonal (or polyclonal) antibody, viral vector, Tell mimic or Tell antagonist of the present invention.
  • the therapeutic is substantially purified.
  • the subject is preferably an animal, including but not limited to, animals such as cows, pigs, chickens, etc., and is preferably a mammal, and most preferably human.
  • a therapeutic of the invention e.g., encapsulation in liposomes, microparticles, microcapsules, expression by recombinant cells, receptor-mediated endocytosis, construction of a therapeutic nucleic acid as part of a retroviral or other vector, etc.
  • Methods of introduction include, but are not limited to, intradermal, intramuscular, intraperitoneal, intravenous, subcutaneous, intranasal, and oral routes.
  • the compounds are administered by any convenient route, for example by infusion or bolus injection, by absorption through epithelial or mucocutaneous linings (e.g., oral mucosa, rectal and intestinal mucosa, etc.) and may be administered together with other biologically active agents. Administration can be systemic or local.
  • compositions of the invention may be desirable to administer locally to the area in need of treatment; this may be achieved by, for example, and not by way of limitation, local infusion during surgery, topical application, e.g., in conjunction with a wound dressing after surgery, by injection, by means of a catheter, by means of a suppository, or by means of an implant, the implant being of a porous, non-porous, or gelatinous material, including membranes, such as sialastic membranes, or fibers.
  • administration is by direct injection at the site (or former site) of a malignant tumor or neoplastic or pre-neoplastic tissue.
  • the nucleic acid is administered in vivo to promote expression of its encoded protein, by constructing it as part of an appropriate nucleic acid expression vector and administering it so that it becomes intracellular, or coating with lipids or cell-surface receptors or transfecting agents, or by administering it in linkage to a homeobox-like peptide which is known to enter the nucleus.
  • a nucleic acid therapeutic can be introduced intracellularly and incorporated within host cell DNA for expression, by homologous recombination.
  • compositions comprise a therapeutically effective amount of a therapeutic, and a pharmaceutically acceptable carrier or excipient.
  • a pharmaceutically acceptable carrier includes, but is not limited to, saline, buffered saline, dextrose, water, glycerol, ethanol, and combinations thereof.
  • the carrier and composition can be sterile. The formulation will suit the mode of administration.
  • the composition can also contain minor amounts of wetting or emulsifying agents, or pH buffering agents.
  • the composition can be a liquid solution, suspension, emulsion, tablet, pill, capsule, sustained release formulation, or powder.
  • the composition can be formulated as a suppository, with traditional binders and carriers such as triglycerides.
  • Oral formulation can include standard carriers such as pharmaceutical grades of mannitol, lactose, starch, magnesium stearate, sodium saccharine, cellulose, magnesium carbonate, etc.
  • the composition is formulated in accordance with routine procedures as a pharmaceutical composition adapted for intravenous administration to human beings.
  • compositions for intravenous administration are solutions in sterile isotonic aqueous buffer.
  • the composition also includes a solubilizing agent and a local anesthetic such as lignocaine to ease pain at the site of the injection.
  • the ingredients are supplied either separately or mixed together in unit dosage form, for example, as a dry lyophilized powder or water free concentrate in a hermetically sealed container such as an ampoule or sachette indicating the quantity of active agent.
  • composition is to be administered by infusion, it is be dispensed with an infusion bottle containing sterile pharmaceutical grade water or saline.
  • an ampoule of sterile water for injection or saline is provided so that the ingredients are mixed prior to administration.
  • the therapeutics of the invention are formulated as neutral or salt forms.
  • Pharmaceutically acceptable salts include those formed with free amino groups such as those derived from hydrochloric, phosphoric, acetic, oxalic, tartaric acids, etc., and those formed with free carboxyl groups such as those derived from sodium, potassium, ammonium, calcium, ferric hydroxides, isopropylamine, triethylamine, 2-ethylamino ethanol, histidine, procaine, etc.
  • the amount of the therapeutic of the invention which will be effective in the treatment of a particular disorder or condition will depend on the nature of the disorder or condition, and is determined by standard clinical techniques.
  • in vitro assays may optionally be employed to help identify optimal dosage ranges.
  • the precise dose to be employed in the formulation will also depend on the route of administration, and the seriousness of the disease or disorder, and is decided according to the judgment of the practitioner and each patient's circumstances.
  • suitable dosage ranges for intravenous administration are generally about 20-500 micrograms of active compound per kilogram body weight.
  • Suitable dosage ranges for intranasal administration are generally about 0.01 pg/kg body weight to 1 mg/kg body weight.
  • Effective doses may be extrapolated from dose-response curves derived from in vitro or animal model test systems
  • the invention also provides a pharmaceutical pack or kit comprising one or more containers filled with one or more of the ingredients of the pharmaceutical compositions of the invention.
  • a pharmaceutical pack or kit comprising one or more containers filled with one or more of the ingredients of the pharmaceutical compositions of the invention.

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Abstract

L'invention porte sur des procédés et des compositions pour le diagnostic, le pronostic et/ou le traitement de maladies associées à une leucémie lymphocytaire chronique des lymphocytes B.
PCT/US2009/065072 2008-11-21 2009-11-19 Cellule t11 en tant que régulateur transcriptionnel WO2010059779A1 (fr)

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EP09828195A EP2352524A1 (fr) 2008-11-21 2009-11-19 Cellule t11 en tant que régulateur transcriptionnel
US13/129,881 US20110311555A1 (en) 2008-11-21 2009-11-19 Tc11 as a Transcriptional Regulator
CN2009801530248A CN102271706A (zh) 2008-11-21 2009-11-19 作为转录调节剂的Tcl1
CA2744326A CA2744326A1 (fr) 2008-11-21 2009-11-19 Cellule t11 en tant que regulateur transcriptionnel
JP2011537606A JP2012509886A (ja) 2008-11-21 2009-11-19 転写制御因子としてのＴｃｌ１
AU2009316584A AU2009316584A1 (en) 2008-11-21 2009-11-19 Tcl1 as a transcriptional regulator

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US8034560B2 (en) 2007-01-31 2011-10-11 The Ohio State University Research Foundation MicroRNA-based methods and compositions for the diagnosis, prognosis and treatment of acute myeloid leukemia (AML)
US8053186B2 (en) 2007-06-15 2011-11-08 The Ohio State University Research Foundation Oncogenic ALL-1 fusion proteins for targeting Drosha-mediated microRNA processing
US8071292B2 (en) 2006-09-19 2011-12-06 The Ohio State University Research Foundation Leukemia diagnostic methods
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US8466119B2 (en) 2007-08-22 2013-06-18 The Ohio State University Research Foundation Methods and compositions for inducing deregulation of EPHA7 and ERK phosphorylation in human acute leukemias
US8658370B2 (en) 2005-08-01 2014-02-25 The Ohio State University Research Foundation MicroRNA-based methods and compositions for the diagnosis, prognosis and treatment of breast cancer
US8664192B2 (en) 2011-03-07 2014-03-04 The Ohio State University Mutator activity induced by microRNA-155 (miR-155) links inflammation and cancer
US8859202B2 (en) 2012-01-20 2014-10-14 The Ohio State University Breast cancer biomarker signatures for invasiveness and prognosis
US8911998B2 (en) 2007-10-26 2014-12-16 The Ohio State University Methods for identifying fragile histidine triad (FHIT) interaction and uses thereof
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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
US9085804B2 (en) 2007-08-03 2015-07-21 The Ohio State University Research Foundation Ultraconserved regions encoding ncRNAs
US9125923B2 (en) 2008-06-11 2015-09-08 The Ohio State University Use of MiR-26 family as a predictive marker for hepatocellular carcinoma and responsiveness to therapy
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
US10758619B2 (en) 2010-11-15 2020-09-01 The Ohio State University Controlled release mucoadhesive systems

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US8361710B2 (en) 2006-01-05 2013-01-29 The Ohio State University Research Foundation MicroRNA-based methods and compositions for the diagnosis, prognosis and treatment of lung cancer using miR-21
US8389210B2 (en) 2006-01-05 2013-03-05 The Ohio State University Research Foundation MicroRNA expression abnormalities in pancreatic endocrine and acinar tumors
US7985584B2 (en) 2006-03-20 2011-07-26 The Ohio State University Research Foundation MicroRNA fingerprints during human megakaryocytopoiesis
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US8252538B2 (en) 2006-11-01 2012-08-28 The Ohio State University MicroRNA expression signature for predicting survival and metastases in hepatocellular carcinoma
US8034560B2 (en) 2007-01-31 2011-10-11 The Ohio State University Research Foundation MicroRNA-based methods and compositions for the diagnosis, prognosis and treatment of acute myeloid leukemia (AML)
US8465917B2 (en) 2007-06-08 2013-06-18 The Ohio State University Research Foundation Methods for determining heptocellular carcinoma subtype and detecting hepatic cancer stem cells
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US8053186B2 (en) 2007-06-15 2011-11-08 The Ohio State University Research Foundation Oncogenic ALL-1 fusion proteins for targeting Drosha-mediated microRNA processing
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JP2012509886A (ja) 2012-04-26
US20110311555A1 (en) 2011-12-22
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CA2744326A1 (fr) 2010-05-27
AU2009316584A1 (en) 2010-05-27

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