WO1996012803A1 - Methode de traitement ex vivo de cellules tumorales de patients atteints de lmc - Google Patents
Methode de traitement ex vivo de cellules tumorales de patients atteints de lmc Download PDFInfo
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- WO1996012803A1 WO1996012803A1 PCT/FR1995/001398 FR9501398W WO9612803A1 WO 1996012803 A1 WO1996012803 A1 WO 1996012803A1 FR 9501398 W FR9501398 W FR 9501398W WO 9612803 A1 WO9612803 A1 WO 9612803A1
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Classifications
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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
- C12N15/11—DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
- C12N15/113—Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing
- C12N15/1135—Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing against oncogenes or tumor suppressor genes
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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
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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
- C12N2310/00—Structure or type of the nucleic acid
- C12N2310/30—Chemical structure
- C12N2310/35—Nature of the modification
- C12N2310/351—Conjugate
- C12N2310/3511—Conjugate intercalating or cleaving agent
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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
- C12N2310/00—Structure or type of the nucleic acid
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- C12N2310/35—Nature of the modification
- C12N2310/351—Conjugate
- C12N2310/3513—Protein; Peptide
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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
- C12N2310/00—Structure or type of the nucleic acid
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Definitions
- the present invention relates to the therapeutic use of antisense oligonucleotides specific for the bcr-abl junction, in the treatment of leukemias characterized by the presence of the Philadelphia chromosome.
- the invention relates to the ex vivo treatment of cells of patients suffering from chronic myeloid leukemia (CML) by treatment with antisense oligonucleotides specific for the bcr-abl junction.
- CML chronic myeloid leukemia
- Chronic myeloid leukemia is a malignant hematological disease of the hematopoietic stem cell, characterized by an initial chronic phase which invariably progresses to a blast crisis.
- the proportion of myeloid cells both mature and immature, increases as a result of the clonal expansion of myeloid progenitors.
- the presence of fully differentiated cells indicates that hematopoiesis associated with the chronic phase still retains certain differentiating properties.
- the acute transformation phase the leukemia cells blocked at the blastic stage are no longer capable of arriving at terminal differentiation.
- CML is associated with a specific genetic abnormality called the Philadelphia chromosome. It has also been shown that a contingent of normal hematopoietic cells (not containing the Philadelphia chromosome) can persist, which is easier to detect at the initial stage of the disease (Coulomel et al., N. Eng. J. Med., 1983, 308: 1493; Barnett et al., Bone Marrow Transplant., 1989, 4: 345; Verfaillie et al., Blood, 1992, 79: 1003).
- the Philadelphia chromosome is characterized at the molecular level by the translocation of the proto-oncogene c-abl of chromosome 9, on the bcr gene of chromosome 22.
- This translocation causes the formation of a hybrid bcr-abl gene which can be expressed.
- the proto-oncogene c-abl covers at least 230kb on the 9q34 band. It contains 11 exons, the first having two different forms, la and lb. Two c-abl messages are therefore transcribed, differing by their 5 'ends. If the exon 1a is used, PARNm has a length of 6kb and includes the exons 1b then 2 to 11.
- the bcr gene is located on the 22ql l band.
- the cleavage occurs on a small 5.8kb segment of this gene, which comprises, in total, approximately 130kb (Heisterkamp et al., Nature, 1985, 315: 9758).
- the fusion of the two genes bcr and c-abl leads to the formation of an mRNA of 8.5 kb, composed of a 5 'end coming from the bcr gene and a 3' end coming from the c-abl gene.
- the resulting protein of molecular weight 210kDa, has an increased tyrosine kinase activity, compared to normal tyrosine kinase activity, of molecular weight 145kDa, encoded by the c-abl gene (Konopka et al., Cell, 1984, 37: 1035; Kloetzer et al., Virology, 1985, 140: 230; Konopka et al., Proc Natl Acad Sci, 1985, 82: 1810).
- ALL acute lymphocytic leukemia
- CML invariably progresses from the chronic phase to the blast crisis.
- the first period is characterized by an increase in mature and immature myeloid cells in the bone marrow and blood (Koeffler et al., N Engl J Med, 1981, 304: 201). This increase is not due to the proliferation or faster maturation of tumor cells, but rather, to the proliferation of myeloid stem cells, in the bone marrow and in the blood.
- the crisis is characterized by a stop of differentiation of the leukemic cells, which acquire during this phase, a "blastic" phenotype.
- the onset of the blast crisis marks the limit of therapeutic possibilities and survival is generally less than four months.
- the first treatments for chronic phase CML used alkylating agents, such as busulfan, or inhibitors of DNA synthesis, such as hydroxyurea. Although these substances effectively control the excessive granulopoiesis found in CML cases, they are hardly specific, inhibiting DNA synthesis in both normal and leukemic cells.
- interferon alpha has been widely used with undeniable efficacy, at least to delay the onset of the acute phase.
- Allogeneic bone marrow transplantation allows 40% of patients treated during the chronic phase to survive beyond five years in complete remission (Bergshell, J Cancer Res. Clin. Oncol., 1990, 116: 104), and probably to be healed. Transplantation takes place after intensive treatment, as a rule combining heavy chemotherapy and total body irradiation which aim to eliminate the leukemia cells. However, they can only be applied to patients with an identical member of their HLA siblings, which represents only a small proportion of patients. Transplantation of autologous hematopoietic cells is increasingly used in particular in patients who do not have an identical HLA donor.
- the bone marrow cells are removed, possibly "purged" of the leukemia cells using chemical agents, then reintroduced into the patient, who has undergone heavy chemotherapy, with or without total irradiation. Even with this method, acute transformation inevitably occurs.
- Hematopoietic "stem” cells are undifferentiated, multipotent cells, which, depending on the regulatory factor with which they will be in contact, will differentiate into red, white or platelet cells.
- Hematopoietic cells are a subpopulation 'mononuclear cells, itself heterogeneous in its composition. Hematopoietic cells are more or less involved in the differentiation process, and can be distinguished from each other by their functional capacity in vitro, and by the expression of antigens on their surface. Some of these antigens are expressed by multiple cell populations; others are specific to a given hematopoietic line.
- the CD34 antigen is a protein of around 115kDa, whose gene is located on chromosome l (lq) and which is expressed by hematopoietic, myeloid and lymphoid progenitors. Its role is not yet clearly elucidated, but its presence has been detected in 1 to 4% of mononuclear cells of normal bone marrow, and on leukemia cells, 30 to 60% of acute leukemias and all CMLs.
- Antisense oligonucleotides are short synthetic DNA, RNA or mixed molecules, of sequence complementary to a target sequence belonging to a gene, to a pre-messenger RNA or to a messenger RNA. They hybridize to the sequence of which they are complementary and can thus block the expression of the gene, of the pre-messenger RNA or of the messenger RNA carrying this sequence.
- oligonucleotide is used in general to denote a polynucleotide of 2 to 100, and more generally of 5 to 50, nucleotides in ribodeoxyribo- or mixed series.
- Antisense oligonucleotides are synthesized chemically and may include modifications altering the very backbone of the molecule or additional reactive groups, located at their ends. The purpose of these modifications is either to increase their resistance to nucleolytic degradation, or to promote their interactions with their targets, or to allow specific degradation or modification reactions of the targets, RNA or DNA, or to increase their penetration to inside the cells.
- Hybridization between an antisense oligonucleotide and a target mRNA can block expression in a steric manner, that is to say by creating a physical barrier preventing the fixation and progression of protein complexes necessary for translation, for maturation, to stabilize or transport mRNA, or pseudo-catalytically, by creating a substrate for RNase H, an enzyme present in all eukaryotic cells and which specifically degrades RNA when it is hybridized to l DNA (Markus-Sekura et al., Nucleic Acids Res, 1987, 15: 5749; Gagnor et al., Nucleic Acids Res, 1987, 15: 10419; Jessus et al., Gene, 1989, 72: 311). Furthermore, the antisense oligonucleotides may contain reactive groups capable of directly producing irreversible damage in the target RNA molecule.
- Antisense oligonucleotides are therefore potential, powerful and specific pharmacological agents, making it possible to inhibit the expression of messengers coding for products exerting pathogenic effects.
- a method for treating leukemias characterized by the presence of the Philadelphia chromosome has been proposed.
- the subject of the present invention is a method of ex vivo treatment of tumor cells of patients suffering from CML, characterized in that: a) cells expressing a CD34 antigen are selected from the total mononuclear cells of patients with CML in chronic phase, and b) the selected CD34 + cells are treated with an antisense oligonucleotide complementary to the bcr-abl junction, so that the bcr-abl gene expression is suppressed.
- the patient's cells are blood or bone marrow cells.
- the aim is to be able to purge the hematopoietic cells of CML subjects by the oligonucleotides in order to be able to perform an autograft. This is done either from the marrow or from blood cells recovered by cytapheresis.
- the method according to the invention makes it possible, in fact, to eliminate tumor cells from the treated cells which can then be reinjected into the patient from which they originate in an autologous manner. Previously, it is checked that the expression of the bcr-abl gene has been repressed and that no leukemia cell progenitor remains.
- the present invention allows the elimination of tumor cells from the total mononuclear cells removed from patients with CML in chronic phase, by ex vivo administration of the antisense oligonucleotides specific for the bcr-abl junction, to the cells expressing the CD34 antigen and preselected. from the patient's total mononuclear cells.
- antisense oligonucleotide complementary to the bcr-abl junction is intended to mean a DNA or RNA oligonucleotide complementary to the mRNA of said junction.
- CD34 + CML cells normal CD34 cells are also purified.
- hematopoietic stem cells which are the only ones able to reconstitute hematopoiesis in humans.
- Current grafting techniques show the efficiency of the graft (speed of setting) from purified CD34 cells.
- non-CD34 + tumor cells have a weak self-renewal power, they are eliminated naturally like any differentiated cell.
- the proportion of tumor cells is greater among CD34 + cells than among total cells, so it is possible by treating only CD34 + cells to kill all the tumor cells by treatment with an antisense oligonucleotide without using toxic doses of oligonucleotides that can kill healthy cells.
- a diagnosis establishing the presence of the Philadelphia chromosome in the patient must be made. This can be done using one or more oligonucleotide probes, specific for the bcr-abl hybrid gene, or by specific amplification of this gene using reverse PCR (RT-PCR, Kawasaki et al., Proc NatI Acad Sci, 1988 , 85: 5698).
- RT-PCR reverse PCR
- RNA containing the bcr-abl hybrid gene is extracted, for analysis by reverse transcription, amplification and sequencing.
- the b2a2 junction is amplified by primers specific for exon 2 of the bcr gene and exon 2 of the c-abl gene.
- the junction b3a2 is amplified by primers specific for exon 3 of the bcr gene and exon
- the length of 1 oligonucleotide is preferably between
- the antisense oligonucleotide When the antisense oligonucleotide is directed against the bcr-abl junction of the b2a2 or L6 type, it advantageously comprises the 18-mer sequence:
- X T or U depending on whether it is a DNA or RNA sequence.
- This sequence is complementary to the translocation of the Philadelphia chromosome associated with CML patients, which juxtaposes exon 2 of the bcr gene and exon 2 of the c-abl gene.
- it may preferably include the 20-mer sequence:
- This sequence is complementary to the translocation of the Philadelphia chromosome associated with CML patients, which juxtaposes exon 3 of the bcr gene and exon 2 of the c-abl gene. More particularly, it may preferably include the 20-mer sequence:
- the antisense oligonucleotides can be synthesized by chemical methods known for this purpose.
- the compounds mentioned above directed against the translocations b2a2 or b3a2 of the Philadelphia chromosome associated with patients suffering from CML, can be framed in 3 'and / or 5' by 1 to 15 additional nucleotides.
- the oligonucleotide sequence is a DNA sequence because the DNA / RNA duplexes are substrates of RNase H.
- the internucleotide links of the oligonucleotides can be of the natural type, that is to say, of the phosphodiester type or of the modified type. Mention is made in particular of oligonucleotides of the type known as phosphorothioate or methylphosphonate. However, it is preferred according to the invention when the oligonucleotide sequences are of the natural type with an internucleotide link of the phosphodiester type or of the phosphorothioate type, since they have the most reduced toxicity.
- the compounds according to the invention can be combined with any compound promoting their cell penetration.
- the oligonucleotides forming the subject of the present invention are composed of a nucleotide base sequence comprising in particular adenine (A), guanine (G), cytosine (C), thymine (T) and uracil (U), linked together by internucleotide bonds, in particular natural, that is to say phosphodiesters.
- A adenine
- G guanine
- C cytosine
- T thymine
- U uracil
- oligonucleotides according to the invention can also contain rare nucleotides (Inosine, I, or ri for example) or modified nucleotides, either in deoxyribo- series or in ribo- series.
- rare nucleotides Inosine, I, or ri for example
- modified nucleotides either in deoxyribo- series or in ribo- series.
- the oligonucleotides according to the invention can also comprise, at the 5 ′ end or at both 3 ′ and 5 ′ ends at the same time, additional nucleotide sequences, the nature and length of which will allow the appearance of staple or semi-structured structures. clip in the final sequence of the oligonucleotide molecule.
- nucleotide sequences may be of two types: either they will themselves present a secondary semi-staple structure which will be transmitted to the oligonucleotide sequences of which they will be the new ends; either they will not immediately present this type of secondary structure but the nucleotide bases constituting one or the other of their ends will be able to go to pair with nucleotides located within the sequences to which they will be added, conferring thus to the final sequence a staple or semi-staple structure.
- closed oligonucleotides characterized in that they consist of one or more sequence (s) of single-stranded oligonucleotides the ends of which are linked together by covalent, nucleotide or non-nucleotide links, to at least partially form a closed single-stranded structure.
- oligonucleotides according to the invention may also contain reactive nucleotides, capable of establishing links with the sequence of the target molecule complementary to the oligonucleotide, or, in another application, intra-molecular links within the same. oligonucleotide.
- the oligonucleotides according to the invention can carry reactive groups grafted onto the nucleotides, such as for example psoralen groups, or other bridging agents or intercalating agents which can react with the sequence of the target molecule complementary to the oligonucleotide.
- reactive groups grafted onto some of the nucleotides of the oligonucleotide may induce the formation of an intramolecular bridging within the molecule itself.
- the oligonucleotide may have internal bonds produced by reactive agents belonging to or not belonging to the structure of the molecule itself. Also part of the invention of so-called chimeric oligonucleotides, constituted by the covalent assembly of nucleotide and non-nucleotide fragments.
- antisense oligonucleotides coupled to molecules making it possible to increase their intracellular penetration by stabilizing the oligonucleotide structure, and in particular lipophilic groups, polypeptides or proteins.
- Adequate dosage formulations can be established to optimize delivery of these molecules to target CD34 + cells.
- the an ⁇ isense oligonucleotides may be encapsulated in liposomes, nonaparticles, LDL particles, or in any other type of microsphere allowing adequate conservation, and promoting targeting.
- Oligonucleotide molecules can also be combined with cationic surfactants.
- FIG. 1 represents a fragment of 60 nucleotides of the sequence of messenger RNA centered on the bcr-abl junction associated with patients with CML which present a junction of the L6 or b2a2 type, juxtaposing the exon 2 of the bcr gene and exon 2 of the abl gene.
- the arrow indicates the position of the bcr-abl junction: the sequence derived from the bcr gene is located upstream of the junction, while the sequence derived from the abl gene is located downstream of the junction.
- the underlined sequence corresponds to the target of the anti-b2a2 antisense oligonucleotides (FIG. 3).
- Figure 2 represents a fragment of 60 nucleotides of the sequence of the messenger RNA centered on the bcr-abl junction associated with patients with CML which present a junction of type K-28 or b3a2, juxtaposing the exon 3 of the gene bcr and exon 2 of the abl gene.
- the arrow indicates the position of the bcr-abl junction: the sequence derived from the bcr gene is located upstream of the junction, while the sequence derived from the abl gene is located downstream of the junction.
- the underlined sequence corresponds to the target of the anti-b3a2 antisense oligonucleotides (FIG. 3).
- Figure 3 represents oligonucleotides used in the tests of inhibition of the clonal proliferation of the myeloid progenitors.
- the antisense oligonucleotide GT-1 is complementary to the bcr-abl junction of the b2a2 type ( Figure 1).
- the antisense oligonucleotide GT-2 is complementary to the bcr-abl junction of the b3a2 type ( Figure 2).
- the control oligonucleotide GT-3 corresponds to the sequence complementary to GT-1; the control oligonucleotide GT-4 corresponds to the sequence complementary to GT-2.
- Figure 4 shows the effect of antisense and sense oligonucleotides (Figure 3) on the growth of granulo-macrophagic progenitors after 14 days of continuous incubation of CD34 + cells from normal bone marrow or from patients with CML type b2a2 or b3a2 in chronic phase.
- concentration of oligonucleotides in the semi-solid incubation medium was 20 ⁇ M.
- the results correspond to the average of triplicates of two normal marrow, each treated with the oligonucleotides corresponding to the b2a2 junction (GT-1 antisense and GT-3 control), and to the b3a2 junction (GT-2 antisense and GT-4 control ).
- the embodiments of the invention which follow relate to the inhibition of the clonal expansion of myeloid progenitors in cases of CML in chronic phase by treatment with antisense oligonucleotides specific for the bcr-abl junction, applied exclusively to cells expressing CD34 antigen, pre-selected from total mononuclear cells in the bone marrow.
- CML in the chronic phase is distinguished by an increase in the production of mature, morphologically normal myeloid cells, due to an unregulated self-renewal of the pluripotent stem cell compartment.
- the result is an expansion of the multipotent (CFU-GEMM) and differentiated (CFU-GM) progenitor compartment in the marrow, spleen, and blood.
- CFU-GEMM multipotent
- CFU-GM differentiated progenitor compartment in the marrow, spleen, and blood.
- the culture of hematopoietic progenitors of the CFU-GM type can be considered as a means of studying the proliferation and differentiation of CML progenitor cells.
- the mononuclear cells of the patients' blood were removed, after consent, and purified by centrifugation on a Ficoll gradient. In the case of CML patients, the sample was taken during the chronic phase of the disease. Among the mononuclear cells thus obtained, those expressing the CD34 antigen were selected by immuno-absorption on a Ceprate column (CellPro, France SARL). The spinal or blood mononuclear cells are obtained after centrifugation of the marrow or blood sample on a density gradient, then incubated with a biotinylated anti-CD34 monoclonal antibody. The cells are then placed on an avidin column. CD34 + cells recognized by biotinylated antibodies are retained on the avidin beads.
- CD34 + cells After washing the column, the absorbed CD34 + cells are detached from the column by adding avidin and harvested. On a sample, the purity in CD34 + cells is verified by analysis by flow cytometry (Profile II, Coultronics) after labeling the cells with a CD34 friendly antibody (My-10, Becton-Dikinson). Total mononuclear cells (2 x 105 cells / ml) or CD34 +
- oligonucleotides, antisense or controls are added by continuous incubation at time 0 of the culture. Oligonucleotides are included in the semi-solid medium (methylcellulose) at a concentration of 20 microM The count of the number of granulocyte-macrophage colonies is done on an inverted microscope after 14 days of culture in an incubator at 37 C with 5 96 of CO 2 .
- Example 1 Effect of antisense oligonucleotides on mononuclear cells of normal marrow.
- the effect of the antisense oligonucleotides directed against the two types of bcr-abl junction was tested on non-leukemic mononuclear cells in continuous incubation, and compared with their respective "sense" controls, as well as with a control without oligonucleotides.
- the oligonucleotides used are described in FIG. 3.
- the antisense oligonucleotides used were those complementary to the sequence b2a2 and to the sequence b3a2.
- Claim 2 Effect of antisense oligonucleotides on mononuclear cells of patients with CML Added in continuous incubation to total mononuclear cells of the blood of subjects suffering from CML b2a2 or b3a2, the sense or antisense oligonucleotides (FIG. 3) did not modify the growth of the granuloproprophagic progenitors (results not shown). Added in continuous incubation to CD34 + mononuclear cells taken from CML subjects, the antisense oligonucleotides directed against the b2a2 junction specifically inhibited the growth of granulo-macrophagic progenitors by 38% ( Figure 4). In the case of the patient with a CML type b3a2, the corresponding antisense oligonucleotides specifically inhibited the growth of granulopropropic progenitors by 70%.
- the phosphorodiester antisense oligonucleotides containing the sequences complementary to the sequences b2a2 or b3a2 of the translocations characteristic of the Philadelphia chromosome are capable of inhibiting the growth of myeloid progenitors from the CD34 + mononuclear cells of subjects having CML.
- the present invention therefore relates to the ex vivo treatment of CD34 + mononuclear cells from patients with CML in the chronic phase, with antisense oligonucleotides specific for the bcr-abl junction present in these patients (b2a2 or b3a2).
- the subsequent operations consist in reinjecting the cells thus treated, from which the leukemic cells have been eliminated, by means of the method according to the invention. This reinjection is possibly done after the patient has undergone heavy chemotherapy with or without total body irradiation.
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
- TYPE oligonucleotide
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Cited By (2)
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WO1997046672A3 (fr) * | 1996-06-05 | 1998-03-26 | Deutsches Krebsforsch | Acides nucleiques antisens et ribozymes a tete de marteau |
WO2010058189A1 (fr) * | 2008-11-24 | 2010-05-27 | Trillion Genomics Limited | Oligonucléotides capables de distinguer des séquences d’acide nucléique qui comprennent une séquence conservée |
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WO1992022303A1 (fr) * | 1991-06-18 | 1992-12-23 | Temple University - Of The Commonwealth System Of Higher Education | INHIBITION SELECTIVE DE LA PROLIFERATION DES CELLULES LEUCEMIQUES PAR DES OLIGONUCLEOTIDES ANTI-CODANTS $i(BCR-ABL) |
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1994
- 1994-10-24 FR FR9412673A patent/FR2726004B1/fr not_active Expired - Fee Related
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WO1992022303A1 (fr) * | 1991-06-18 | 1992-12-23 | Temple University - Of The Commonwealth System Of Higher Education | INHIBITION SELECTIVE DE LA PROLIFERATION DES CELLULES LEUCEMIQUES PAR DES OLIGONUCLEOTIDES ANTI-CODANTS $i(BCR-ABL) |
Non-Patent Citations (10)
Title |
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2ND INTERNATIONAL SYMPOSIUM ON AUTOGRAFTING FOR CHRONIC MYELOID LEUKAEMIA, S. MARGHERITA LIGURE - PORTOFINO (GENOVA), ITALY, 26 June 1994 (1994-06-26) - 27 June 1994 (1994-06-27) * |
DE FABRITIIS, P. ET AL.: "Autograft after in vitro purging with BCR-ABL antisense oligonucleotides for patients with CML in advanced phase", BONE MARROW TRANSPLANTATION, vol. 14, pages s80 * |
DE FABRITIIS, P. ET AL.: "In vitro purging with BCR-ABL antisense oligodeoxynucleotides does not prevent haematologic reconstitution after autologous bone marrow transplantation", LEUKEMIA, vol. 9, no. 4, pages 662 - 664 * |
FIRST MEETING OF THE EUROPEAN HAEMATOLOGY ASSOCIATION, BRUSSELS, BELGIUM, JUNE 2-5, 1994. * |
LANZA, F. ET AL.: "Effect of antisense P53 oligonucleotides on kinetics and in vitro cell growth of CML CD34 + cells.", BRITISH JOURNAL OF HAEMATOLOGY 87 (SUPPL. 1). 1994. 100 * |
MICLEA, J. ET AL.: "SPECIFIC INHIBITORY EFFECT OF BCR - ABL ANTISENSE OLIGONUCLEOTIDE EVIDENCED ON PURIFIED CML CD34 + CELLS", BLOOD, (15 NOV 1995) VOL. 86, NO. 10, SUPP. 1, PP. 675A, XP000565541 * |
SILVESTRI, F. ET AL.: "ISOLATION AND CHARACTERIZATION OF THE CD34 -POSITIVE HEMATOPOIETIC PROGENITOR CELLS FROM THE PERIPHERAL BLOOD OF PATIENTS WITH CHRONIC MYELOID LEUKEMIA.", INT J CELL CLONING 9 (5). 1991. 474-490 * |
SKORSKI, T. ET AL.: "Gene-targeted specific inhibition of chronic myeloid leukemia cell growth by BCR-ABL antisense oligodeoxynucleotides", FOLIA HISTOCHEMICA ET CYTOBIOLOGICA, vol. 29, no. 3, pages 85 - 90 * |
VAERMAN, J. ET AL.: "BCR - ABL antisense oligodeoxyribonucleotides suppress the growth of leukemic and normal hematopoietic cells by a sequence-specific but nonantisense mechanism.", BLOOD, (1995 NOV 15) 86 (10) 3891-6, XP000565536 * |
ZON, G.: "Oligonucleotide analogues as potential chemotherapeutic agents", PHARMACEUTICAL RESEARCH, vol. 5, no. 9, pages 539 - 549 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997046672A3 (fr) * | 1996-06-05 | 1998-03-26 | Deutsches Krebsforsch | Acides nucleiques antisens et ribozymes a tete de marteau |
WO2010058189A1 (fr) * | 2008-11-24 | 2010-05-27 | Trillion Genomics Limited | Oligonucléotides capables de distinguer des séquences d’acide nucléique qui comprennent une séquence conservée |
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EP0804567A1 (fr) | 1997-11-05 |
FR2726004A1 (fr) | 1996-04-26 |
FR2726004B1 (fr) | 1997-01-10 |
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