WO2004111250A1 - アルツハイマー病の治療のための組換えアデノ随伴ウィルスベクター - Google Patents
アルツハイマー病の治療のための組換えアデノ随伴ウィルスベクター Download PDFInfo
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- WO2004111250A1 WO2004111250A1 PCT/JP2004/008224 JP2004008224W WO2004111250A1 WO 2004111250 A1 WO2004111250 A1 WO 2004111250A1 JP 2004008224 W JP2004008224 W JP 2004008224W WO 2004111250 A1 WO2004111250 A1 WO 2004111250A1
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- 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
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- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
- C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
- C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
- C07K14/4711—Alzheimer's disease; Amyloid plaque core protein
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- C12N2799/021—Uses of viruses as vector for the expression of a heterologous nucleic acid
- C12N2799/025—Uses of viruses as vector for the expression of a heterologous nucleic acid where the vector is derived from a parvovirus
Definitions
- Recombinant adeno-associated virus vector for the treatment of Alzheimer's disease Recombinant adeno-associated virus vector for the treatment of Alzheimer's disease
- the present invention relates to an adeno-associated virus vector that expresses an A / 3 peptide that can be used for Alzheimer's disease and its use as a pharmaceutical.
- Alzheimer's disease is characterized by senile plaques, neurofibrillary tangles, and neuronal changes and loss in the brain.
- ⁇ -amyloid deposited in senile plaques is thought to play a central role in the pathogenesis of Alheimer's disease.
- the ⁇ amyloid peptide ( ⁇ ⁇ ) is produced by partial degradation of ⁇ -amyloid precursor protein ([3 APP) in neurons by ⁇ , -secretory enzymes. Generated.
- Non-Patent Document l Schenk D, Barbour R, Dunn W et al .: Nature 400: 173-177, 1999).
- the first theory is that A peptide is administered to produce antibodies against A iS in the body, the antibody binds to aggregated A in senile plaques, and microglia phagocytoses it, thereby removing senile plaques, The theory is that the antibody also binds to the secreted A j3 and the microglia is phagocytosed to suppress the toxicity of A / 3 to nerve cells, leading to treatment such as improvement of dementia.
- the second theory is that by administering A / 3 peptide, the antibody produced against ⁇ will recognize and bind to the amino acid at the ⁇ terminal of Aj3, and will aggregate and insolubilize A / 3 It is the theory that amyloid deposition is reduced by suppressing solubilization and secretion of secreted A.
- the third theory is that the antibody against A does not cross the blood-brain barrier and reduces A / 3 in peripheral blood / peripheral tissue, thereby eliciting central nervous system force, et al. Aj3 to the periphery. It is. [0005] Based on the above hypothesis, attempts have also been made to develop a method for preventing and treating Alzheimer's disease using a viral vector.
- Non-patent Document 2 Takeshi Tahira, Hideo Hara, 2001 Welfare Chemistry Research “21 Research report on the results of research on the development of century-based medicine (in the field of dementia) ", Longevity Science Foundation, March 2002, p. 49-54). However, in this report, no in vivo experiments have been conducted and therapeutic effects in animals have been confirmed.
- TGF- ⁇ 1 Transforming growth factor ⁇ 1
- IL-1 ⁇ Interleukin-1 ⁇
- TNF-Hi Tumor
- a therapeutic agent for Alzheimer's disease is required to suppress the formation of senile plaques and amyloid deposition in the central nervous system, and at the same time, it does not spread to multiple organs and causes side effects such as encephalitis. There is also a need for safety. However, no therapeutic agent using A ⁇ antigen that satisfies these conditions has been reported so far.
- the present inventors now use recombinant adeno-associated virus (rAAV) to express A antigen that induces humoral immunity in intestinal cells and induce antibody production against this A antigen. Found that amyloid deposition and senile plaque formation were reduced in the brain.
- the present inventors have used the recombinant adeno-associated virus such as brain and kidney. We found that no inflammation was observed in any other organs. The present invention is based on these findings.
- an object of the present invention is to provide an adeno-associated virus vector expressing the A antigen and a pharmaceutical composition containing the same, which can be used for the treatment of Alzheimer's disease.
- the adeno-associated virus vector according to the present invention is an adeno-associated virus vector capable of expressing a peptide fragment containing a humoral immunity-inducing site of / 3 amyloid peptide, and a DNA encoding this peptide fragment is obtained. It consists of things that can function.
- the pharmaceutical composition according to the present invention is a pharmaceutical composition for treating Alzheimer's disease comprising the adeno-associated virus vector according to the present invention.
- antibody production can be induced without causing cellular immunity using a recombinant adeno-associated virus vector, and senile plaque formation and amyloid in the central nervous system can be induced. Can be suppressed. Furthermore, when this recombinant adeno-associated virus is used, the blood TGF-J31 concentration can be decreased, and the progression of cerebral vascular amyloid deposition and brain microvessel degeneration can be suppressed. Furthermore, the recombinant adeno-associated virus vector according to the present invention enables highly safe treatment of Alzheimer's disease without causing side effects such as encephalitis and liver damage.
- FIG. 1 shows the amount of anti-A ⁇ antibody produced in serum from mice orally administered with an adeno-associated virus vector expressing A / 3-43.
- FIG. 2 shows the in vitro A / 3 aggregation-inhibiting effect of anti-antigen / 3 antibody in mouse serum.
- Figure 3 shows cell proliferation reactivity of treated mouse spleen cells to A j342 peptide.
- FIG. 4 shows the average A accumulation area ratio in the area of the frontal cortex 'parietal' hippocampus in mice orally administered with an adeno-associated virus vector expressing A / 31-43.
- FIG. 5 shows the average A accumulation area ratio in the frontal cortex 'parietal' hippocampus region in mice orally administered with an adeno-associated virus vector expressing A iS 1-21.
- FIG. 6 shows adeno-associated virus vector expressing A iS 1-43 or A j3 1-21 orally It shows the TGF-1 concentration in the serum from the administered mice.
- the adeno-associated virus vector according to the present invention comprises a DNA encoding a peptide fragment containing a humoral immunity-inducing site of j3 amyloid peptide (A j3 peptide) in a functional form, whereby the peptide fragment Can be expressed.
- “comprising in a functional form” means that the transgene (DNA) can be expressed under the control of appropriate regulatory elements (eg, promoter, enhancer, transcription terminator, etc.). Means that the transgene is inserted into the vector.
- the humoral immunity induction site of A ⁇ peptide can be easily identified by those skilled in the art.
- the humoral immunity induction site is present in the region of the 4th to 10th amino acids (A iS 4-10) of the ⁇ ⁇ ⁇ ⁇ peptide.
- the antigen peptide fragment expressed by the adeno-associated virus vector according to the present invention preferably comprises A4-10.
- the amino acid sequence of A 4-10 includes the 4th to 10th amino acids in the amino acid sequence represented by SEQ ID NO: 2. Accordingly, the antigen peptide fragment preferably comprises the 4th to 10th amino acids in the amino acid sequence represented by SEQ ID NO: 2.
- the nucleotide sequence of DNA encoding this amino acid sequence is not particularly limited, and examples thereof include the 1030th nucleotide in the nucleotide sequence represented by SEQ ID NO: 1. Therefore, the DNA encoding the antigen peptide fragment preferably comprises the 1030th nucleotide in the nucleotide sequence represented by SEQ ID NO: 1.
- the antigenic peptide fragment comprises the first 43 amino acids (A / 3-43) of the A / 3 peptide.
- ⁇ Amino acid sequence of ⁇ 1-43 J includes the amino acid sequence represented by SEQ ID NO: 2; therefore, the antigen peptide fragment comprises the amino acid sequence represented by SEQ ID NO: 2. It is preferable.
- the nucleotide sequence of the DNA encoding this amino acid sequence is not particularly limited.For example, the nucleotide sequence represented by SEQ ID NO: 1 can be mentioned. Therefore, the DNA encoding the antigen peptide fragment is It preferably comprises the nucleotide sequence represented by SEQ ID NO: 1.
- the antigen peptide fragment comprises A peptide. 1st to 21st amino acids (A; 3 1-21).
- Examples of the amino acid sequence AJ_21 of A 1_21 include the amino acid sequence represented by SEQ ID NO: 4, and therefore, the antigen peptide fragment preferably comprises the amino acid sequence represented by SEQ ID NO: 4.
- the nucleotide sequence of the DNA encoding this amino acid sequence is not particularly limited, but includes, for example, the nucleotide sequence represented by SEQ ID NO: 3, and therefore encodes the antigen peptide fragment.
- the DNA comprises a nucleotide sequence represented by SEQ ID NO: 3.
- the amino acid sequences of A ⁇ 1-143 and ⁇ 1-21 include not only the humoral immunity induction site but also the ⁇ cell receptor recognition probe IJ. When these antigen peptide fragments are expressed in the intestinal mucosal immune system, antibody production is mainly induced, and cellular immunity is hardly induced.
- the antigen peptide fragment expressed by the adeno-associated virus vector according to the present invention is secreted outside the cell after expression in the infected cell. It is preferable. Accordingly, the adeno-associated virus vector according to the present invention preferably comprises a DNA encoding a signal peptide capable of secreting the expressed antigen peptide fragment outside the cell in a functional form. .
- “comprising in a functional form” means that the signal peptide is expressed together with the antigen peptide fragment, and the expressed antigen peptide fragment is secreted outside the cell by the signal peptide. To do.
- the DNA encoding the signal peptide into the adeno-associated virus vector according to the present invention in a functional form
- those known to those skilled in the art can be used.
- the antigen peptide fragment A fusion gene in which each DNA is fused can be used so that the signal peptide is expressed in a form bound to the heel end.
- the signal peptide As the signal peptide, those known to those skilled in the art can be used.
- the signal peptide present at the heel end of the amyloid precursor protein ( ⁇ ⁇ ⁇ ⁇ ⁇ ) is preferably used. ⁇ ⁇ ⁇ ⁇
- the amino acid sequence of the signal peptide includes the amino acid sequence represented by SEQ ID NO: 6, and therefore the signal peptide expressed by the adeno-associated virus vector according to the present invention has the amino acid sequence represented by SEQ ID NO: 6. Is comprised of I prefer to be there.
- the nucleotide sequence of DNA encoding this amino acid sequence is not particularly limited.
- the nucleotide sequence represented by SEQ ID NO: 5 can be mentioned. Therefore, the DNA encoding the signal peptide can be Preferably, comprising the nucleotide sequence represented by number 5.
- an adeno-associated virus vector comprises a DNA encoding a fusion protein in which an APP signal peptide is linked to the N-terminus of A j31-43. Is done.
- the amino acid sequence of this fusion protein includes the amino acid sequence represented by SEQ ID NO: 8, and the nucleotide sequence of the DNA that encodes this includes the 9th to 191st nucleotides in the nucleotide sequence represented by SEQ ID NO: 7. Can be mentioned.
- an adeno-associated virus vector comprises DNA encoding a fusion protein in which an APP signal peptide is linked to the N-terminus of A / 3-21-21. It is supposed to be The amino acid sequence of this fusion protein includes the amino acid sequence represented by SEQ ID NO: 10, and the nucleotide arrangement IJ of the DNA encoding the fusion protein includes the 17th-- in the nucleotide sequence represented by SEQ ID NO: 9. 133 nucleotides.
- the adeno-associated virus vector according to the present invention may contain a regulatory element for efficiently expressing the target DNA, for example, a promoter, an enhancer, a transcription terminator, etc.
- a translation start codon, a translation stop codon, etc. may be inserted.
- the adeno-associated virus vector according to the present invention can be prepared by standard methods well known in the art.
- US Pat. No. 5,858,351 and references cited therein describe various recombinant adeno-associated viruses suitable for use in gene therapy, and methods for making and propagating those vectors.
- wild type A plasmid is prepared by inserting the gene of interest between the ITRs at both ends of the adeno-associated virus (AAV vector plasmid).
- AAV vector plasmids that express the Rep gene (a gene that encodes a replicative protein) and Cap gene (a gene that encodes the cranial protein of the virus), and the genes of the adenovirus genes E2A, E4, and VA
- plasmids that express the Rep gene (a gene that encodes a replicative protein) and Cap gene (a gene that encodes the cranial protein of the virus), and the genes of the adenovirus genes E2A, E4, and VA
- These three plasmids are then co-transfected into a packaging cell that expresses the E1 gene, such as HEK293 cells, and the cells are cultured.
- adeno-associated virus vector particles having high infectivity for mammalian cells can be produced.
- Such a method can be easily performed using a commercially
- the adeno-associated virus vector according to the present invention can be used for treatment of Alzheimer's disease in mammals. Therefore, according to the present invention, the present invention provides a method for treating Alzheimer's disease, and a method for producing a therapeutic agent for Alzheimer's disease, comprising administering to a subject a therapeutically effective amount of an adeno-associated virus vector according to the present invention.
- the use of adeno-associated virus vectors by is provided.
- “treatment” includes not only treating an established pathology but also preventing a pathological condition that may be established in the future.
- the subject is a mammal, for example, a rodent, Inu, cat, ushi, primate, etc., and preferably a human.
- the administration method of the adeno-associated virus vector according to the present invention is a method that can be used in the field of gene therapy, such as intraperitoneal injection, intratracheal injection, intrabronchial injection and direct intrabronchial instillation, Subcutaneous injection, transdermal delivery, intraarterial injection, intravenous injection, etc. (see Flotte and Carter, Gene Therapy 2: 357-362 (1995)).
- adeno-associated WINORES has the advantage that it can be administered orally because it is not easily degraded by gastric juice. Oral administration is particularly preferred in that the subject can administer himself.
- the amount of adeno-associated virus vector to be administered should be a therapeutically effective amount, and such an amount can be easily determined by those skilled in the art of gene therapy.
- the dose is preferably adjusted according to the severity of the disease state, sex, age, weight, habits, etc. of the subject, but such adjustment of the dose is appropriately performed by a doctor or veterinarian.
- the amount of adeno-associated virus vector administered orally is usually 0.5 X 10 "2.0 X 10 viral genome / kg body weight, preferably 1. OX 10 — 1. OX 10 viral genome / kg body weight, more preferably 1 ⁇ OX 10 11 — 5.0 X 10 viral genome / kg body weight.
- the adeno-associated virus vector according to the present invention is pharmaceutically safe within the above dose range.
- the “viral genome” and the unit represent the number of adeno-associated virus genomes (number of virus particles), and are well known to those skilled in the art as indicating the amount of adeno-associated virus vector. It is. The numerical value can be determined by diluting the purified adeno-associated virus solution and carrying out dot blot hybridization, and comparing the signal intensity with plasmid DNA of a predetermined number of molecules.
- the adeno-associated virus vector according to the present invention is administered to a subject, the therapeutic action for Alzheimer's disease continues for a relatively long period of time.
- the antigen is presented in the intestinal epithelial cells for at least 6 months, and antibody production against this is induced.
- a person skilled in the art can prepare an appropriate dosing schedule.
- the adeno-associated virus vector according to the present invention can be administered to a subject as a pharmaceutical composition containing the same. Therefore, according to the present invention, there is provided a pharmaceutical composition for treating Alzheimer's disease comprising the adeno-associated virus vector according to the present invention. According to a preferred embodiment of the invention, the pharmaceutical composition is for oral administration.
- the pharmaceutical composition according to the present invention can be prepared by a method known in the art depending on the administration route and dosage form.
- dosage forms such as capsules and solutions can be used as pharmaceutical compositions for oral administration. Therefore, the pharmaceutical composition according to the present invention can contain a pharmaceutically acceptable carrier, diluent, preservative and the like according to each dosage form.
- mice used in the following test examples are Alzheimer's disease. Taconic, Mayo Clinic). [0034] Example 1
- Amyloid / 3/43 (A J3 1-43) cDNA was amplified by PCR using the following primers with the human amyloid precursor protein (APP) gene as a saddle.
- the composition of the PCR reaction solution is TAPS buffer (25 mM, pH 9.3), KCl (50 mM), MgCI (2 mM), 2-mercaps.
- Toethanol (lmM), dNTPs (100 x M), vertical DNA (50-100 ng), and primers (0.2 ⁇ M each) were used.
- the temperature condition of the cycle reaction was 94 ° C for 30 seconds, 68 ° C for 1 minute, and 72 ° C for 3 minutes, which was 30 cycles.
- the adapter of the first N-terminal signal distribution lj (SEQ ID NO: 10), which is the APP secretion signal, is obtained by treating the following two oligonucleotides at 90 ° C for 3 minutes and then annealing at room temperature. Produced.
- APP secretion signal adapter having a T residue protruding 3 'to the sense strand
- a j3 1-43 cDNA A residue protruding 3' to the antisense strand
- 4 cDNA SEQ ID NO: 7: nucleotides 3-8 in this sequence are Xbal recognition sites
- composition of the PCR reaction solution is TAPS buffer (25 mM, pH 9.3), KCl (50 mM), MgCl (2 mM), 2-mercaptoethanol (lmM), dNTPs (100 ⁇ M), vertical DN
- a (50—lOOng) and primer each 0.2 ⁇ M.
- the temperature conditions for the cycle reaction were 94 ° C for 30 seconds, 68 ° C for 1 minute, and 72 ° C for 3 minutes, which was 30 cycles.
- the above recombinant pXXUFl, the standard Rep / Cap plasmid, and the E2A / E4 / VA plasmid were transferred to HEK293 cells using the calcium phosphate method, and HEK293 cells were cultured in large quantities. From the cell lysate, virus particles were purified by ultracentrifugation of CsCl to obtain an adeno-associated virus vector having APP signal sequence + A j31-43 cDNA.
- APP signal sequence + A / 3 l-43 cDNA (XbaI-AflIl / blunt) was incorporated into pBluescript plasmid (Xba to Smal). Using this as a saddle type, PCR was performed using the following primers.
- Ply _ Mar Forward 5'-TGGCGGCCGCTCTAGAATG-3 '(SEQ ID NO: 16: has a NotI site on the 5'side);
- P of APP signal sequence + A / 3 l_21 cDNA (SEQ ID NO: 9: the third 10 nucleotide in this sequence is a Notl recognition site, and the 11th and 16th nucleotides are Xbal recognition sites)
- the CR product was Notl—Aflll / blunt treated and incorporated into pXXUF 1 (Notl-S all) with the above “stuffer” pBR322 PvuII—Sall fragment.
- GFPrAAV adeno-associated virus
- APP signal sequence + A i3 l_43 cDNA was incorporated into expression vector pXXUFl, and after 48 hours of introduction into HEK293 cells using lipofectamine 2000 (In vitrogen), the culture supernatant and cell lysate were extracted and anti-A j3 antibody ( After immunoprecipitation with 4G8)
- Electrophoresis on SDS-PAGE gel After transferring the protein to the nitrocellulose membrane, we tried to detect ⁇ protein with anti-A ⁇ antibody. As a result, it was confirmed that A ⁇ was secreted to the outside of the cell while forming an oligomer, and that a large amount of 4 kDa ⁇ peptide monomer protein was generated in the cell.
- the adeno-associated virus vector 5X10 ⁇ viral genome of Example 1 was orally administered to a 15-week-old mouse only once. Serum from this mouse was collected after 1 month, 4 months, and 6 months, respectively.
- Each ⁇ -42 peptide (5mgZmL) was added to each well of a 96 well plate (Nunc, MaxiSonjp). After adhering to a paste and blocking with 5% non-fat milk / TBS-T buffer, the collected mouse serum was added (diluted 500 times) and detected with a peroxidase-labeled anti-mouse IgG antibody. The antibody titer was evaluated by measuring the absorbance with an ELISA reader. Figure 1 shows the results.
- the antibody titer in serum peaked mainly at 1 month after oral administration, and sustained antibody production was observed until 6 months later.
- ⁇ ⁇ 1_40 peptide was adjusted to a concentration of 120 mM and incubated at 37 ° C. 2 Aggregation of A j3 was observed after 4 hours. Mouse serum was added to the A / 3 aggregates at concentrations of 1:10 and 1:20 (vol: vol) and incubated at 37 ° C. for 1 week. ⁇ Binding of ⁇ 1-40. Whether the mouse serum inhibits aggregation was measured using a spectrofluorimeter (excitation at 445 nm; emission at 490 nm) with addition of 2 mM thioflavine. Figure 2 shows the results.
- mice serum 6 months after administration of the adeno-associated virus vector shown in Test Example 1 significantly inhibited A1_40 aggregation 'binding in vitro as compared to the control mouse serum.
- the heart, lung, spleen, liver, upper gastrointestinal tract and kidney were removed from 28-week mice, and the tissue was homogenized in Tris solution, followed by proteinase K. Protein was digested, treated with phenol / chloroform, and DNA was purified.
- the following primers were prepared from the 5′-base sequence IJ of the promoter region of the adeno-associated virus vector (pXXUFl) and the 3′-base sequence of the vector, and PCR was performed.
- the composition of the PCR reaction solution is TAPS buffer (25 mM, pH 9.3), KCl (50 mM), MgCl (2 mM)
- a 500 bp band indicating the target PCR product was found only in the upper gastrointestinal tissue.
- Spleen cells were isolated from 28-week-old mice after oral administration of adeno-associated virus of Example 1, 5 ⁇ 10 4 cells were added per tool in a 96-well plate, and A / 3-42 peptide was added at each concentration. The cells were cultured in the culture broth for 48 hours. After cell culture was completed, tetrazolium salt (WST-1) was added. Since tetrazolium salt is converted to formazan dye by mitochondrial tetrazolium succinate reductase, which is active only in living cells, the cell proliferation ability reaction was determined by measuring the absorbance of the dye solution with an ELISA reader. Figure 3 shows the results.
- mice orally administered with the adeno-associated virus of Example 1 had a low response to cell proliferation regardless of the concentration of A 1 -42 peptide.
- treatment group a mouse orally administered with the adeno-associated virus of Example 1 (hereinafter referred to as “treatment group”) or an untreated age-matched mouse (hereinafter referred to as “control group”) at the time of 6 months (10 months old) after administration.
- control group an untreated age-matched mouse
- Oxidase activity was inactivated. After reacting with anti-A ⁇ antibody (4G8: diluted 1000 times) or rabbit anti-A / 340 antibody (diluted 1000 times), a peroxidase-labeled secondary antibody was added, and DAB staining was performed.
- Table 1 Comparison of brain amyloid deposits between the mouse control group and the treatment group
- tissues were obtained from the treatment group and the control group at 6 months (10 months old) after administration, and the following experiments were performed using frozen sections of the tissues. Stain frozen sections with the ABC method using antibodies such as anti-CD4 antibody, anti-CD86 antibody, anti-CDllb antibody, anti-GFAP antibody (astrocyte), anti-Iba-1 antibody (microglia), and The presence or absence of lymphocyte infiltration in the nervous system was confirmed. The results are shown in Table 2.
- CD4 which is a T cell marker
- CD86 which is a T cell activation molecule
- a peripheral macrophage marker, CD1 lb was also negative.
- GFAP an astrocyte marker
- Tissues were obtained from mice orally administered with the adeno-associated virus of Example 2 (hereinafter referred to as “treatment group 2”) or control group when 6 months (10 months of age) after administration, and the tissues were frozen. DAB staining was performed using the sections in the same manner as in Test Example 6.
- Group A 15 weeks of age
- Group B 30 weeks of age
- Group A 45 weeks of age
- the adeno-associated virus of Example 1 (5.0 ⁇ 10 n viral genome / animal) was orally administered once to “Group C”.
- a control group consisting of 6 mice was prepared, and PBS (0.1 mL / mouse) was orally administered at the age of 15 weeks. Thereafter, each group was dissected at 12-13 months of age (52-56 weeks of age), and brain tissue sections were obtained in the frontal cortex / parietal lobe region. These tissue sections are then tested.
- the sample was stained in the same manner as in Example 6 and observed using a 3CCD camera connected to a microscope, and the area of the A accumulation portion in each region was measured. The area ratio of the A accumulation portion in each measurement site was calculated. The results are shown in Fig. 4.
- control group had an average area ratio f or 2. 64 ⁇ 1. 46 0/0 of the three brain measurement region of the A beta accumulation portion.
- f is 0.5 55 ⁇ 0.50 ⁇ / ⁇ in group A administered by 15-week-old Nichiji, and 0.48 ⁇ 0.35% in group ⁇ administered at 30-week-old. It was 0.46 ⁇ 0.27% in the C-group administered at age, and both values were significantly lower than those in the control group (one-way variance analysis (ANOVA)). And Student's t test, p (0.001).
- Group D Prepare 3 groups of 4 mice, each at 15 weeks of age (hereinafter referred to as “Group D”), 30 weeks of age (hereinafter referred to as “Group E”), or 45 weeks of age (hereinafter referred to as “Group D”).
- the adeno-associated virus of Example 2 (5.0 ⁇ 10 n viral genome / animal) was orally administered once to “Group F”. Thereafter, each group was treated in the same manner as in Test Example 9, and the area ratio of the A accumulation portion in each measurement site was calculated. The results are shown in Fig. 5.
- the area ratio of the A accumulation part was 0.39 ⁇ 0.27% in the D group administered at 15 weeks of age, and 0.45 ⁇ 0.30% in the E group administered at 30 weeks of age. Yes, in the F group administered at 45 weeks of age, it was 0.37 ⁇ 0.20%, which was significantly lower than the control group shown in Test Example 9 (one-way variance) Analysis method (one-way variance analysis, ANOVA) and Student t-test, p ⁇ 0.001).
- TGF- / 3 1 concentration in mouse serum was measured by ELISA using Quantikine Mouse / Rat / Porcine TGF- ⁇ 1 Immunoassay (manufactured by R & D systems). The result is shown in Fig. 6.
- TGF_j3 1 The concentration of TGF_j3 1 in mouse serum was 111.6 ⁇ 40.0 pg / mL in the control group. there were. On the other hand, in Group A in Test Example 9, it was 80.5 ⁇ 12.9 pg / mL, Group B was 76.0 ⁇ 6 ⁇ 3 pg / mL, and Group C was 74.3 ⁇ 21. Opg / mL. Both groups showed significantly lower values than the control group (one-way variance analysis (ANOVA) and student t-test, p ⁇ 0.001).
- ANOVA one-way variance analysis
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Abstract
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Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK04745818.7T DK1634956T3 (da) | 2003-06-13 | 2004-06-11 | Rekombinant andeno-associeret virusvektor til behandling af Alzheimers sygdom |
| NZ544554A NZ544554A (en) | 2003-06-13 | 2004-06-11 | Recombinant adeno-associated virus vector for expressing beta-amyloid peptide in intestinal cells to treat Alzheimer's disease |
| AU2004248014A AU2004248014B2 (en) | 2003-06-13 | 2004-06-11 | Recombinant adeno-associated virus vector for treatment of Alzheimer disease |
| BRPI0411321-7A BRPI0411321A (pt) | 2003-06-13 | 2004-06-11 | vetor viral associado a adenovìrus, composição farmacêutica e método para tratar doença de alzheimer, e, uso do vetor viral associado a adenovìrus |
| DE602004026867T DE602004026867D1 (de) | 2003-06-13 | 2004-06-11 | Rekombinanter adeno-assoziierter virusvektor zur behandlung von morbus alzheimer |
| EP04745818A EP1634956B1 (en) | 2003-06-13 | 2004-06-11 | Recombinant adeno-associated virus vector for treatment of alzheimer disease |
| AT04745818T ATE466093T1 (de) | 2003-06-13 | 2004-06-11 | Rekombinanter adeno-assoziierter virusvektor zur behandlung von morbus alzheimer |
| US10/560,280 US8318687B2 (en) | 2003-06-13 | 2004-06-11 | Recombinant adeno-associated virus vector for treatment of Alzheimer disease |
| CA2529179A CA2529179C (en) | 2003-06-13 | 2004-06-11 | Recombinant adeno-associated virus vector for treatment of alzheimer disease |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003169714 | 2003-06-13 | ||
| JP2003-169714 | 2003-06-13 | ||
| JP2003371103A JP4888876B2 (ja) | 2003-06-13 | 2003-10-30 | アルツハイマー病の治療のための組換えアデノ随伴ウィルスベクター |
| JP2003-371103 | 2003-10-30 |
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| Publication Number | Publication Date |
|---|---|
| WO2004111250A1 true WO2004111250A1 (ja) | 2004-12-23 |
Family
ID=33554414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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Country Status (15)
| Country | Link |
|---|---|
| US (1) | US8318687B2 (ja) |
| EP (1) | EP1634956B1 (ja) |
| JP (1) | JP4888876B2 (ja) |
| KR (1) | KR20060029225A (ja) |
| AT (1) | ATE466093T1 (ja) |
| AU (1) | AU2004248014B2 (ja) |
| BR (1) | BRPI0411321A (ja) |
| CA (1) | CA2529179C (ja) |
| DE (1) | DE602004026867D1 (ja) |
| DK (1) | DK1634956T3 (ja) |
| ES (1) | ES2345151T3 (ja) |
| NZ (1) | NZ544554A (ja) |
| PT (1) | PT1634956E (ja) |
| RU (1) | RU2335542C2 (ja) |
| WO (1) | WO2004111250A1 (ja) |
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| WO2006112553A3 (en) * | 2005-04-20 | 2007-02-22 | Dnavec Corp | Highly safe intranasally administrable gene vaccines for treating alzheimer's disease |
| JP2008536476A (ja) * | 2005-04-20 | 2008-09-11 | ディナベック株式会社 | アルツハイマー病の治療のための安全性に優れた鼻腔内投与可能遺伝子ワクチン |
| US8497072B2 (en) | 2005-11-30 | 2013-07-30 | Abbott Laboratories | Amyloid-beta globulomer antibodies |
| US8691224B2 (en) | 2005-11-30 | 2014-04-08 | Abbvie Inc. | Anti-Aβ globulomer 5F7 antibodies |
| US8877190B2 (en) | 2006-11-30 | 2014-11-04 | Abbvie Inc. | Aβ conformer selective anti-Aβ globulomer monoclonal antibodies |
| US8895004B2 (en) | 2007-02-27 | 2014-11-25 | AbbVie Deutschland GmbH & Co. KG | Method for the treatment of amyloidoses |
| US8987419B2 (en) | 2010-04-15 | 2015-03-24 | AbbVie Deutschland GmbH & Co. KG | Amyloid-beta binding proteins |
| US9062101B2 (en) | 2010-08-14 | 2015-06-23 | AbbVie Deutschland GmbH & Co. KG | Amyloid-beta binding proteins |
| US9176150B2 (en) | 2003-01-31 | 2015-11-03 | AbbVie Deutschland GmbH & Co. KG | Amyloid beta(1-42) oligomers, derivatives thereof and antibodies thereto, methods of preparation thereof and use thereof |
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- 2004-06-11 KR KR1020057023896A patent/KR20060029225A/ko not_active Ceased
- 2004-06-11 PT PT04745818T patent/PT1634956E/pt unknown
- 2004-06-11 RU RU2006101149/13A patent/RU2335542C2/ru not_active IP Right Cessation
- 2004-06-11 EP EP04745818A patent/EP1634956B1/en not_active Expired - Lifetime
- 2004-06-11 WO PCT/JP2004/008224 patent/WO2004111250A1/ja not_active Ceased
- 2004-06-11 AT AT04745818T patent/ATE466093T1/de not_active IP Right Cessation
- 2004-06-11 BR BRPI0411321-7A patent/BRPI0411321A/pt not_active IP Right Cessation
- 2004-06-11 DE DE602004026867T patent/DE602004026867D1/de not_active Expired - Lifetime
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| US10464976B2 (en) | 2003-01-31 | 2019-11-05 | AbbVie Deutschland GmbH & Co. KG | Amyloid β(1-42) oligomers, derivatives thereof and antibodies thereto, methods of preparation thereof and use thereof |
| US9176150B2 (en) | 2003-01-31 | 2015-11-03 | AbbVie Deutschland GmbH & Co. KG | Amyloid beta(1-42) oligomers, derivatives thereof and antibodies thereto, methods of preparation thereof and use thereof |
| WO2006112553A3 (en) * | 2005-04-20 | 2007-02-22 | Dnavec Corp | Highly safe intranasally administrable gene vaccines for treating alzheimer's disease |
| JP2008536476A (ja) * | 2005-04-20 | 2008-09-11 | ディナベック株式会社 | アルツハイマー病の治療のための安全性に優れた鼻腔内投与可能遺伝子ワクチン |
| WO2006126682A1 (ja) * | 2005-05-27 | 2006-11-30 | Juridical Foundation The Chemo-Sero-Therapeutic Research Institute | アルツハイマー病の予防・治療用ワクチン |
| US9540432B2 (en) | 2005-11-30 | 2017-01-10 | AbbVie Deutschland GmbH & Co. KG | Anti-Aβ globulomer 7C6 antibodies |
| US8497072B2 (en) | 2005-11-30 | 2013-07-30 | Abbott Laboratories | Amyloid-beta globulomer antibodies |
| US8691224B2 (en) | 2005-11-30 | 2014-04-08 | Abbvie Inc. | Anti-Aβ globulomer 5F7 antibodies |
| US10538581B2 (en) | 2005-11-30 | 2020-01-21 | Abbvie Inc. | Anti-Aβ globulomer 4D10 antibodies |
| US10323084B2 (en) | 2005-11-30 | 2019-06-18 | Abbvie Inc. | Monoclonal antibodies against amyloid beta protein and uses thereof |
| US10208109B2 (en) | 2005-11-30 | 2019-02-19 | Abbvie Inc. | Monoclonal antibodies against amyloid beta protein and uses thereof |
| US9359430B2 (en) | 2006-11-30 | 2016-06-07 | Abbvie Inc. | Abeta conformer selective anti-Abeta globulomer monoclonal antibodies |
| US9394360B2 (en) | 2006-11-30 | 2016-07-19 | Abbvie Inc. | Aβ conformer selective anti-Aβ globulomer monoclonal antibodies |
| US9951125B2 (en) | 2006-11-30 | 2018-04-24 | Abbvie Inc. | Aβ conformer selective anti-Aβ globulomer monoclonal antibodies |
| US8877190B2 (en) | 2006-11-30 | 2014-11-04 | Abbvie Inc. | Aβ conformer selective anti-Aβ globulomer monoclonal antibodies |
| US8895004B2 (en) | 2007-02-27 | 2014-11-25 | AbbVie Deutschland GmbH & Co. KG | Method for the treatment of amyloidoses |
| US9822171B2 (en) | 2010-04-15 | 2017-11-21 | AbbVie Deutschland GmbH & Co. KG | Amyloid-beta binding proteins |
| US8987419B2 (en) | 2010-04-15 | 2015-03-24 | AbbVie Deutschland GmbH & Co. KG | Amyloid-beta binding proteins |
| US10047121B2 (en) | 2010-08-14 | 2018-08-14 | AbbVie Deutschland GmbH & Co. KG | Amyloid-beta binding proteins |
| US9062101B2 (en) | 2010-08-14 | 2015-06-23 | AbbVie Deutschland GmbH & Co. KG | Amyloid-beta binding proteins |
Also Published As
| Publication number | Publication date |
|---|---|
| US20090004144A1 (en) | 2009-01-01 |
| US8318687B2 (en) | 2012-11-27 |
| BRPI0411321A (pt) | 2006-07-18 |
| AU2004248014A1 (en) | 2004-12-23 |
| DE602004026867D1 (de) | 2010-06-10 |
| KR20060029225A (ko) | 2006-04-05 |
| CA2529179C (en) | 2012-08-21 |
| RU2006101149A (ru) | 2006-06-27 |
| ES2345151T3 (es) | 2010-09-16 |
| RU2335542C2 (ru) | 2008-10-10 |
| JP2005021149A (ja) | 2005-01-27 |
| AU2004248014B2 (en) | 2008-12-04 |
| NZ544554A (en) | 2010-06-25 |
| EP1634956A4 (en) | 2007-01-24 |
| JP4888876B2 (ja) | 2012-02-29 |
| EP1634956A1 (en) | 2006-03-15 |
| DK1634956T3 (da) | 2010-08-16 |
| PT1634956E (pt) | 2010-06-23 |
| ATE466093T1 (de) | 2010-05-15 |
| CA2529179A1 (en) | 2004-12-23 |
| EP1634956B1 (en) | 2010-04-28 |
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