WO2002005844A2 - Proteinkomplex als vehikel für oral verfügbare arzneimittel - Google Patents
Proteinkomplex als vehikel für oral verfügbare arzneimittel Download PDFInfo
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- WO2002005844A2 WO2002005844A2 PCT/DE2001/002816 DE0102816W WO0205844A2 WO 2002005844 A2 WO2002005844 A2 WO 2002005844A2 DE 0102816 W DE0102816 W DE 0102816W WO 0205844 A2 WO0205844 A2 WO 0205844A2
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- 239000003475 metalloproteinase inhibitor Substances 0.000 description 1
- 230000011987 methylation Effects 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 210000001611 motor endplate Anatomy 0.000 description 1
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- 210000002569 neuron Anatomy 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
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- 102000039446 nucleic acids Human genes 0.000 description 1
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- 231100000418 oral toxicity Toxicity 0.000 description 1
- 230000001575 pathological effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
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- 238000006366 phosphorylation reaction Methods 0.000 description 1
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical compound C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
- 229940127126 plasminogen activator Drugs 0.000 description 1
- 230000004481 post-translational protein modification Effects 0.000 description 1
- 230000001323 posttranslational effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229950008679 protamine sulfate Drugs 0.000 description 1
- 235000004252 protein component Nutrition 0.000 description 1
- 239000012460 protein solution Substances 0.000 description 1
- 229940023143 protein vaccine Drugs 0.000 description 1
- 230000002797 proteolythic effect Effects 0.000 description 1
- 108010009004 proteose-peptone Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000002461 renin inhibitor Substances 0.000 description 1
- 229940086526 renin-inhibitors Drugs 0.000 description 1
- 108010074523 rimabotulinumtoxinB Proteins 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- GNBVPFITFYNRCN-UHFFFAOYSA-M sodium thioglycolate Chemical compound [Na+].[O-]C(=O)CS GNBVPFITFYNRCN-UHFFFAOYSA-M 0.000 description 1
- 229940046307 sodium thioglycolate Drugs 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/195—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from bacteria
- C07K14/33—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from bacteria from Clostridium (G)
-
- 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
- A61K39/02—Bacterial antigens
- A61K39/08—Clostridium, e.g. Clostridium tetani
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
- A61K38/16—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- A61K38/43—Enzymes; Proenzymes; Derivatives thereof
- A61K38/46—Hydrolases (3)
- A61K38/48—Hydrolases (3) acting on peptide bonds (3.4)
- A61K38/4886—Metalloendopeptidases (3.4.24), e.g. collagenase
- A61K38/4893—Botulinum neurotoxin (3.4.24.69)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/62—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being a protein, peptide or polyamino acid
- A61K47/64—Drug-peptide, drug-protein or drug-polyamino acid conjugates, i.e. the modifying agent being a peptide, protein or polyamino acid which is covalently bonded or complexed to a therapeutically active agent
- A61K47/6415—Toxins or lectins, e.g. clostridial toxins or Pseudomonas exotoxins
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2333/00—Assays involving biological materials from specific organisms or of a specific nature
- G01N2333/195—Assays involving biological materials from specific organisms or of a specific nature from bacteria
- G01N2333/33—Assays involving biological materials from specific organisms or of a specific nature from bacteria from Clostridium (G)
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Definitions
- Protein complex as a vehicle for orally available drugs
- the present invention relates to a protein complex comprising one or more complex proteins or derivatives from Clostridium botulinum type A, B, C 2 , D, E, F or G and a selected polypeptide or low molecular weight pharmaceutical.
- EPO Erythropoietin
- the present invention is illustrated by the following figure.
- Figure 1 shows schematically the result of an SDS-polyacrylamide gel electrophoresis (12%) of a protein complex according to the invention with tetanus toxin.
- protein complex used here denotes a vehicle with which other selected polypeptides or low-molecular pharmaceuticals can be transported into the blood system of humans and animals.
- the protein complex consists of at least one hemagglutinin and possibly non-toxic, non-hemagglutinating protein (NTHT) of the botulinum toxin complexes from at least one of the Clostridium botulinum types A, B, C 2 , D, E, F or G.
- NTHT non-toxic, non-hemagglutinating protein
- botulinum toxin complex means a naturally occurring protein complex of the type A, B, Ci, C 2 , D, E, F or G from Clostridium botulinum, comprising the botulinum toxin, hemagglutinins and non-toxic, non- hemagglutinating protein (NTHT).
- NTHT non-toxic, non- hemagglutinating protein
- polypeptide or "selected polypeptide” used here means a peptide of at least 2 amino acids.
- the polypeptide can be linear, circular or branched.
- the polypeptide can consist of more than one amino acid chain, the chains e.g. can be connected to each other via a disulfide bond.
- the polypeptides can also modified amino acids and the usual post-translational modifications such as
- polypeptides Contain glycosylation.
- the polypeptides can be pharmacologically or immunologically active
- Polypeptides or polypeptides used for diagnostic purposes e.g. Antibodies or
- Clostridium botulinum is divided into 8 serogroups, which are differentiated on the basis of their toxins: type A, B, C ⁇ , C, D, E, F, G.
- the toxins hereinafter also called botulinum toxin, are proteins with a Molecular weight of approximately 150,000 daltons (Da).
- Botulinum toxin is usually taken up with contaminated food, enterally absorbed and reaches its place of action, the motor end plate, where the nerve impulse is transmitted to muscles.
- the toxins are absorbed by the nerve cell and paralyze the secretion mechanism of acetylcholine in the nerve endings, so that the affected muscle is no longer activated and slackens.
- botulinum toxin is not secreted by Clostridium botulinum, but is produced in a complex form, i.e. the clostridia produce besides botulinum toxin various other proteins that bind the toxin into a complex with a molecular weight of about 700,000 to about 900,000 daltons, the botulinum toxin - complex.
- the formation of the botulinum toxin complex is necessary for the oral toxicity of the botulinum toxin. It was shown that the botulinum toxin, which is present in the botulinum toxin complex, has a toxicity that is approximately 100,000 times higher than that of pure botulinum toxin.
- the hemagglutinins may be used to attach the complex to the intestinal wall to allow it to be transported through the intestinal mucosa into the bloodstream.
- the complex is said to serve as protection against proteases in the gastrointestinal tract.
- the other proteins are a series of hemagglutinins and a non-toxic, non-hemagglutinating protein (NTHT) that has a molecular weight of approximately 120,000 Da.
- NTHT non-toxic, non-hemagglutinating protein
- the following hemagglutinins were described for the botulinum toxin complex of type A: Ha2 with approximately 16,900 Da, Ha3a with approximately 21,000 Da, Ha3b with approximately 52,000 Da and Hai with approximately 35,000 Da.
- the complexes of the other toxin types B to G are structured according to a similar scheme.
- the complex of type B may be mentioned as an example.
- Ha-70 with a molecular weight of about 70,000 Da, Ha-17 with a molecular weight of about 17,000 Da and Ha-33 with a molecular weight of about 33,000 Da are described (cf. Bhandari, M. et al. (1997) Current Microbiology 35, p. 207-214).
- the complexes formed have a different composition depending on their serotype, i.e. a different number of individual ha agglutinene or NTHT is integrated in the complex.
- a different number of individual ha agglutinene or NTHT is integrated in the complex.
- One aspect of the present invention is therefore to provide a
- Protein complex comprising one or more complex proteins or their derivatives from at least one of the Clostridium botulinum types A, B, C ls C 2 , D, E, F or G.
- Protein complex also contains a selected polypeptide or a low molecular weight drug, which is of the protein complex according to the invention when administered orally
- the selected polypeptide can be a pharmacologically active, an immunologically active or a polypeptide used for diagnostic purposes.
- the selected low molecular weight pharmaceutical can also be a pharmacologically active, an immunologically active or a pharmaceutical used for diagnostic purposes or any drug.
- the protein complex according to the invention therefore serves as a transport vehicle with which the selected polypeptides and the low-molecular pharmaceuticals are introduced into the blood system of animals, preferably of mammals or birds, particularly preferably of humans, and are thus transported to the site of action.
- a further aspect of the present invention therefore consists in the provision of a protein complex as a therapeutic agent, vaccine or diagnostic agent in human and / or veterinary medicine.
- Another aspect of the present invention is the use of a protein complex comprising one or more complex proteins from at least one of the Clostridium botulinum types A, B, C 1 ⁇ C 2 , D, E, F or G as a transport vehicle for pharmacologically active polypeptides or low molecular weight Substances (pharmaceuticals), immunologically active polypeptides or low-molecular substances (pharmaceuticals) or polypeptides or low-molecular substances (pharmaceuticals or diagnostics) for diagnostic purposes.
- the protein complex is made up of hemagglutinins and NTHT and can thereby be the naturally occurring complexes of types A, B, C 1? C 2 , D, E, F or G from Clostridium botulinum correspond.
- the protein complex can also contain a composition other than its natural one, for example it can only be composed of hemagglutinin without the NTHT proteins.
- the protein complex can be constructed from fewer types of hemagglutinin than the naturally occurring complex, preferably from three different types of hemagglutinin, preferably from two, particularly preferably from one type of hemagglutinin, wherein the protein complex may or may not contain the NTHT protein.
- the protein complex can also be constructed from a mixture of one or more types of hemagglutinin and / or NTHT proteins of the different serotypes. Protein complexes which correspond to the naturally occurring protein complexes from Clostridium botulinum of types A, B, C ⁇ , C, D, E, F or G are preferred, for example a protein complex with shark, Ha2, Ha3a, Ha3b and NTNH from Clostridium botulinum type B
- the protein complex can also be composed of shark, Ha2, Ha3a and NTNH, from shark, Ha2, Na3b and NTNH, as well as from Shark and Ha3a, Ha3b and NTNH, furthermore from Ha2, Ha3a, Ha3b and NTNH, from Hai, Ha2 and NTNH, from Hai, Ha3a and NTNH, from Hai, Ha3b and NTNH, from Ha2, Ha3a and NTNH, from Ha2, Ha3a and NTNH from Ha2, Ha3a and NTNH from Ha
- the protein complex can also be composed of one of the hemagglutinins and NTNH, and the protein complex can also be composed of the listed combinations of hemagglutinins without NTNH.
- protein complexes of the hemagglutinins and / or NTNH of types A are also preferred,
- the protein complexes according to the invention are further preferred, one or more complex proteins being linked via a chemical bond to the selected polypeptide or the low molecular weight pharmaceuticals. This binding could be cleaved in the blood after absorption, so that the polypeptide or the low-molecular drug can then reach its site of action.
- the selected polypeptide or the low molecular weight pharmaceutical can be bound to the complex proteins via a "cross-linking agent".
- Preferred cross-linking agents are e.g.
- a single complex protein is preferred, which is linked via a chemical bond to the selected polypeptide or the low molecular weight pharmaceutical
- Another aspect of the present invention is to provide a method for producing the protein complex according to the invention, comprising the steps: a) separate isolation of at least one botulinum toxin complex of type A, B, Ci, C 2 , D, E, F or G from Clostridium botulinum at a pH of 2.0 to 6.5, b) increasing the pH to pH 7.0 to 10.00 in each case.
- step c) separating the respective botulinum toxin from the complex proteins by means of chromatographic methods, d) mixing the complex proteins obtained in step c) with a selected polypeptide or a low molecular weight pharmaceutical, or d ⁇ ) separating the complex proteins obtained in step c) and mixing at least one Complex protein with a selected polypeptide or a low molecular weight drug, and e) dialyzing the mixture from step d) or d ') against a buffer at a pH of 2.0 to 6.5, and optionally f) connecting the complex proteins with the selected polypeptide or the low molecular weight pharmaceutical via a chemical bond.
- a preferred method is one in which the at least two complex proteins mixed in step d) or d ⁇ ) originate from one or from different botulinum toxin complex types.
- the complex proteins can be isolated from the natural botulinum toxin complexes.
- An exemplary method for isolation is as follows: First, the botulinum toxin complex from clostridia is at an acidic pH, preferably pH 2.0 to pH 6.5, particularly preferably pH 4.0 to 6.5, particularly preferably pH 6 , 0, isolated. After increasing the pH to pH 7.0 to 10.0, preferably to pH 7.0 to 8.0, the botulinum toxin is separated off using chromatographic methods. This process can be carried out because the complex is stable at a pH ⁇ 6.5, disintegrates at neutral or alkaline pH and the toxin is released.
- the toxin-free complex proteins can then be mixed with another orally administered polypeptide and the pH value dialyzed against a buffer customary in protein chemistry, particularly preferably a phosphate, acetate or citrate buffer to pH 2.0 to 6. 5, preferably 4.0 to 6.0, particularly preferably reduced to pH 5.5.
- a buffer customary in protein chemistry particularly preferably a phosphate, acetate or citrate buffer to pH 2.0 to 6. 5, preferably 4.0 to 6.0, particularly preferably reduced to pH 5.5.
- a new complex is formed which ensures the oral bioavailability of the bound polypeptide.
- complex proteins can also be produced recombinantly in special host organisms by means of recombinant DNA techniques.
- the complex proteins produced in this way can also have modifications, ie they can
- Amino acids e.g. Methylations, or acethylations, as well as post-translational
- Modifications e.g. Glycosylations or phosphorylations.
- the expression of desired proteins in different hosts is known to the person skilled in the art and need not be described separately here.
- the complex proteins required for the protein complex can be expressed separately or at the same time expressed in a host organism. Preferred is the production of the recombinant complex proteins in bacteria, e.g. in E. coli, Bacillus subtilis or Clostridium di ßcile, or in eukaryotic cells, e.g. in CHO cells, in insect cells, e.g. using the baculovirus system, or in yeast cells.
- the complex proteins can be isolated and the selected polypeptide or the low-molecular drug can be added by the method as described above.
- the selected polypeptide together with the complex proteins can be expressed simultaneously in the host organism. The simultaneous or separate production of the respective complex proteins together with the selected polypeptide via a YAC in yeast is particularly preferred.
- the protein complexes according to the invention can furthermore be composed of a mixture of recombinantly produced complex proteins isolated from natural botulinum toxin complexes.
- the pharmacologically or immunologically active polypeptides which are administered orally with the aid of the protein complex according to the invention can be all therapeutically or preventively active polypeptides which previously had to be administered parenterally.
- the polypeptides can be, for example, hormones, cytokines, enzymes, growth factors, antigens, antibodies, inhibitors, receptor agonists or antagonists or coagulation factors. It does not matter whether the polypeptides were produced recombinantly or were isolated from their natural sources.
- Preferred polypeptides are insulin, erythropoietin, interferons, terleukins, HIV protease inhibitors, GM-CSF (granulocyte / macrophage stimulating factor), NGF (nerve growth factor), PDGF (platelet derived growth factor), FGF (fibroblast growth factor) ), Plasminogen activators, e.g. TPA (tissue plasminogen activator), Renin inhibitors, human growth factor, IGF (insulin-like growth factor), vaccines such as tetanus vaccine, hepatitis B vaccine, diphtheria vaccine, antibodies such as Herceptin
- Antibodies against Her2 antibodies against antibodies against TNF (tumor necrose factor), calcitonin,
- the polypeptides used for diagnostic purposes can e.g. Antibodies or ligands, whereby the polypeptides can be provided with a label. Any marking that can be detected in the body of humans or animals can be used as a marking.
- Preferred labels are isotopes, e.g. C, or radioactive labels.
- the labeled anti-bodies can be used for the detection of tumors, the labeled ligands for the detection of e.g. pathological receptors can be used.
- the low molecular weight pharmaceuticals that are made orally bioavailable can e.g. Neomycin, salbutamol, pyrimethamine, methicillin, pethidine, ketamine or mephenesin.
- Example 1 Obtaining the complex proteins from C. botulinum type B
- botulinum type B was fermented in a 20 L fermenter according to published procedures
- the fermentation medium consisted of 2% proteose peptone no. 2 (DIFCO), 1% yeast extract, 1% glucose and 0.05% sodium thioglycolate. After 72 h of growth at 33 ° C., the toxic complex was precipitated by adding 3 NH 2 SO 4 . The precipitate was extracted with 2 x 250 0.2 M mL Na phosphate pH 6.0. Nucleic acids were precipitated from the combined extracts by adding 125 mL of 2% protamine sulfate. The toxic complex was then precipitated using 233 g of ammonium sulfate (14 h at 2-8 ° C).
- the precipitate was dissolved in 125 mL 50 mM Tris / HCl, 1 mM EDTA and dialyzed against this buffer overnight at 2-8 ° C (2 x 2 L). Insoluble articles were separated by centrifugation (15 min x 15,000 rpm). The 429 mg protein thus obtained were chromatographed on a Sepharose Q column (2.6 x 25 cm). Bound protein was eluted with a NaCl gradient (0-500 mM). The free neurotoxin type B was eluted at approx. 100 mM NaCl, the complex was detached at approx. 250 mM NaCl. Chromatography gave 151 mg of protein.
- Example 2 Removal of residues of botulinum toxin type B from complex proteins 33 mg of the complex proteins still contaminated by botulinum toxin (pooled fractions according to the Sepharose Q chromatograph) were dialyzed against 50 mM Tris / HCl pH 7.9, 2 mM EDTA overnight (2 x 1 L). The protein solution was chromatographed on a Q-Hyper-D column (2.6 x 8 cm), bound protein was eluted with a NaCl gradient (0-400 mM). The neurotoxin was detached at a NaCl concentration of approx. 100 mM, the complex proteins appeared at approx. 190 mM NaCl. In SDS polyacrylamide gel electrophoresis, the proportion of neurotoxin was ⁇ 1% of the analyzed protein.
- Example 3 Separation of traces of the neurotoxin by means of affinity chromatography to obtain the protein complex (apocomplex).
- affinity chromatography was carried out. Rabbits were immunized with detoxified homogeneous neurotoxin. The antisera obtained were purified by means of ammonium sulfate precipitation. The neurotoxin-specific antibodies could be purified using affinity chromatography. For this purpose, 3 mg of pure neurotoxin were immobilized on 0.6 g of rehydrated CNBr-Sepharose (according to the manufacturer's instructions).
- Antiserum (after ammonium sulfate precipitation) against the neurotoxin type B was chromatographed after dialysis against 20 mM sodium phosphate pH 7.0, 0.5 M NaCl on a column (0.5 ⁇ 3 cm) which was filled with the synthesized matrix.
- the toxin-specific antibodies were obtained by elution with 0.1 M glycine pH 2.7 (yield 1.57 mg). 1.25 mg of the purified neurotoxin antibodies were immobilized on 1 g of CNBr-Sepharose.
- Example 4 Formation of a protein complex according to the invention with tetanus toxin
- Protein complex formed with the heterologous toxin Protein complex formed with the heterologous toxin.
- the pellet was dissolved in 50 mM Na phosphate, 150 mM NaCl, 2 mM EDTA, pH 5.9 and an aliquot was analyzed in a gel filtration.
- a Biosep SEC 3000 7.8 x 300 mM (Phenomenex) was used for this (flow rate 0.5 mL / min). > 90% of the protein was eluted in a high molecular peak (Mr> 500,000). Analysis of the peak fraction in a 12% SDS-PAGE showed that the protein complex contained tetanus toxin. The presence of tetanus toxin was confirmed in the diaphragm test.
- mice 5 mg of the purified complex proteins in 2.5 mL 50 mM Tris / HCl, pH 8.0 were mixed with 1 mg tetanus toxin and dialyzed overnight against 50 mM citrate / phosphate buffer pH 6.0. 25 ⁇ L of the solution were checked for the presence of tetanus toxin in the protein complex (see Example 4A). 5 CD 1 mice were administered by gavage each time to 0.5 mL. 3 other mice (control) were given an equivalent amount of tetanus toxin. The mice treated with tetanus toxin-protein complex died of tetanus after 24 hours, while the control mice showed no signs of tetanus.
- Example 6 Testing the tetanus toxin-protein complex in vivo in rats 2 ⁇ g each of the protein complex according to the invention (see Example 4B) in 0.5 ml 50 mM sodium phosphate, 150 mM NaCl 2 mM EDTA, 100 ⁇ g BSA / mL, pH 6.0 5 Wistar rats (180-200 g) were administered by gavage. 3 other rats (control) were given an equivalent amount of tetanus toxin in the same buffer. The one with tetanus toxin Protein complex-treated rats died of tetanus within 24 hours while the
- Example 7 Formation of a protein complex according to the invention with insulin (A) 10 mg of the purified complex proteins were dialyzed with 0.5 mg insulin overnight in a 50 mM citrate / phosphate buffer. A sample was examined for complex formation in a gel filtration. A peak with a molecular weight of> 500,000 Da appears. An aliquot of the peak fraction was examined in an SDS polyacrylamide gel electrophoresis. The peak fraction contained both the bands of the complex proteins and the band of insulin.
- mice were given 1 mL of a 10% sucrose solution with a gavage. After 1 hour, 5 mice were given 1 mg of an insulin-protein complex by gavage. The blood sugar level of the mice was determined every half hour. It was found that the blood sugar level in the treated mice was 25-40% below the mean blood sugar level in the untreated mice.
- mice 3 mg of tetanus toxoid (mutant tetanus toxin) were added to 30 mg of complex protein preparation and dialyzed overnight against 50 mM citrate / phosphate buffer, pH 5.5. 5 CD 1 mice were each administered 1 mg of tetanus toxoid-protein complex with a throat tube. The same dose was administered after 2 and 6 weeks. Blood was obtained 2 weeks after the last treatment and the antibody titer was determined by means of ELISA. In contrast to 5 control mice, which received the same dose of non-complex-bound toxoid, the mice had developed an antibody titer against the toxin (> 1: 1000). A neutralization assay was also able to show that the sera inactivated the activity of the toxin.
- Example 11 Preparation of a complex with recombinant complex proteins of Clostridium botulinum type A.
- E. coli cf. Fujinaga, Y. et al. (2000) FEBS Letters 467, p. 179 - 183.
- the method is based on the production of hemagglutinins (HA 1: M r about 33,000 Da, HA 2: M r about 17,000 Da, HA 3a: M r about 21,000 Da, HA 3b: M r about 48,000 Da) in E. coli in a pGEX-SX-3 expression vector as GST fusion proteins.
- HA 1 M r about 33,000 Da
- HA 2 M r about 17,000 Da
- HA 3a M r about 21,000 Da
- HA 3b M r about 48,000 Da
- the glutathione-S-transferase was cut off with factor Xa and after separation of factor Xa and GST the pure recombinant proteins were obtained.
- the non-toxic, non-hemagglutinating complex protein was also produced by the same method.
- the recombinant complex proteins were dialyzed against a 50 mM Tris / HCl buffer pH 8.0 overnight (protein concentration 1 - 1.5 mg / mL). To produce a complex with tetanus toxin, the components were mixed with one another in the following molar ratios:
- the protein mixture was dialyzed against a 50 mM sodium citrate buffer, pH 5.5 for 16 hours. A 25 ⁇ L sample was examined for gel formation in the gel filtration. The protein appears in a peak with a molecular weight of approximately 500,000. The analysis of the peak fraction in SDS-polyacrylamide gel electrophoresis showed not only the complex proteins but also the band of tetanus toxin (150,000 Da).
- Example 12 Examination of the recombinant complex on the mouse
- Example 10 (A) The complex described in Example 10 (A) was tested on 3 CD1 mice.
- the mice received 50 ⁇ g of the recombinant complex via a pharyngeal tube. All three mice died of tetanus within 48 hours, while 3 mice, which received an equivalent amount of pure tetanus toxin (11 ⁇ g), showed no signs of rigidity.
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- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Abstract
Description
Claims
Priority Applications (14)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01964858A EP1303535A2 (de) | 2000-07-19 | 2001-07-19 | Proteinkomplex als vehikel für oral verfügbare arzneimittel |
MXPA03000566A MXPA03000566A (es) | 2000-07-19 | 2001-07-19 | Complejo de proteina que sirve como vehiculo para faramcos que pueden administrarse por via oral. |
CA002415712A CA2415712A1 (en) | 2000-07-19 | 2001-07-19 | Protein complex serving as a vehicle for orally administerable medicaments |
AU8568801A AU8568801A (en) | 2000-07-19 | 2001-07-19 | Protein complex serving as a vehicle for orally administerable medicaments |
US10/333,477 US20040028703A1 (en) | 2000-07-19 | 2001-07-19 | Protein complex serving as a vehicle for orally administerable medicaments |
KR1020037000614A KR100822006B1 (ko) | 2000-07-19 | 2001-07-19 | 경구적으로 투여가능한 약제의 전파체로서 작용하는단백질 복합체 |
BR0112515-0A BR0112515A (pt) | 2000-07-19 | 2001-07-19 | Complexo protéico utilizado como veìculo para medicamentos oralmente administráveis |
HU0301644A HUP0301644A3 (en) | 2000-07-19 | 2001-07-19 | Protein complex serving as a vehicle for orally administrable medicaments |
AU2001285688A AU2001285688B2 (en) | 2000-07-19 | 2001-07-19 | Protein complex serving as a vehicle for orally administerable medicaments |
JP2002511776A JP2004503600A (ja) | 2000-07-19 | 2001-07-19 | 経口利用可能な医薬品に対するビヒクルとしてのタンパク質複合体 |
IL15353901A IL153539A0 (en) | 2000-07-19 | 2001-07-19 | Protein complexes and methods for the preparation thereof |
DE10192679T DE10192679D2 (de) | 2000-07-19 | 2001-07-19 | Proteinkomplex als Vehikel für oral verfügbare Arzneimittel |
PL01364993A PL364993A1 (pl) | 2000-07-19 | 2001-07-19 | Kompleks białek jako nośnik dla leków do podawania doustnego |
NO20030231A NO20030231L (no) | 2000-07-19 | 2003-01-17 | Proteinkompleks som fungerer som en vehikkel for oralt administrerbare medikamenter |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10035155.7 | 2000-07-19 | ||
DE10035156.5 | 2000-07-19 | ||
DE10035156A DE10035156A1 (de) | 2000-07-19 | 2000-07-19 | Proteinkomplex als Vehikel für oral verfügbare Protein-Arzneimittel |
DE10035155 | 2000-07-19 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2002005844A2 true WO2002005844A2 (de) | 2002-01-24 |
WO2002005844A8 WO2002005844A8 (de) | 2002-02-14 |
WO2002005844A3 WO2002005844A3 (de) | 2002-06-27 |
Family
ID=26006444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2001/002816 WO2002005844A2 (de) | 2000-07-19 | 2001-07-19 | Proteinkomplex als vehikel für oral verfügbare arzneimittel |
Country Status (18)
Country | Link |
---|---|
US (1) | US20040028703A1 (de) |
EP (1) | EP1303535A2 (de) |
JP (1) | JP2004503600A (de) |
KR (1) | KR100822006B1 (de) |
CN (1) | CN100497379C (de) |
AU (2) | AU2001285688B2 (de) |
BR (1) | BR0112515A (de) |
CA (1) | CA2415712A1 (de) |
CU (1) | CU23381A3 (de) |
CZ (1) | CZ2003169A3 (de) |
DE (2) | DE10035156A1 (de) |
HU (1) | HUP0301644A3 (de) |
IL (1) | IL153539A0 (de) |
MX (1) | MXPA03000566A (de) |
NO (1) | NO20030231L (de) |
PL (1) | PL364993A1 (de) |
RU (1) | RU2002134755A (de) |
WO (1) | WO2002005844A2 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2005009475A1 (ja) * | 2003-07-25 | 2005-02-03 | Yukako Fujinaga | クロストリジウム属菌由来成分を含む医薬製剤 |
WO2006010360A2 (de) * | 2004-07-22 | 2006-02-02 | Biotecon Therapeutics Gmbh | Carrier für arzneimittel zur gewinnung der oralen bioverfügbarkeit |
WO2009131435A1 (en) * | 2008-04-23 | 2009-10-29 | Erasmus University Medical Center Rotterdam | Linker containing bungarotoxin and a binding peptide |
WO2011075500A3 (en) * | 2009-12-18 | 2011-08-18 | Allergan, Inc. | Clostridium botulinum carrier complex for the administration of therapeutic agents |
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US6346510B1 (en) * | 1995-10-23 | 2002-02-12 | The Children's Medical Center Corporation | Therapeutic antiangiogenic endostatin compositions |
JP2003009897A (ja) * | 2001-07-03 | 2003-01-14 | Keiji Oguma | ボツリヌス毒素の分離・精製法 |
US7691394B2 (en) * | 2002-05-28 | 2010-04-06 | Botulinum Toxin Research Associates, Inc. | High-potency botulinum toxin formulations |
US20040086532A1 (en) * | 2002-11-05 | 2004-05-06 | Allergan, Inc., | Botulinum toxin formulations for oral administration |
US20060063930A1 (en) * | 2004-08-20 | 2006-03-23 | Agoston Gregory E | Compositions and methods comprising proteinase activated receptor antagonists |
JP2009081997A (ja) * | 2007-09-27 | 2009-04-23 | Chemo Sero Therapeut Res Inst | ボツリヌス毒素成分haを核酸の細胞内導入キャリアーとして利用する方法 |
EP2364168A1 (de) | 2008-12-04 | 2011-09-14 | Botulinum Toxin Research Associates, Inc. | Verlängerte botulinustoxin-formulierung zur anwendung bei menschen oder säugetieren |
KR101134146B1 (ko) | 2010-05-31 | 2012-04-19 | 메덱스젠 주식회사 | 국소 근마비 효과를 갖는 비확산형 보툴리눔 독소와 그의 정제방법 |
US9393291B2 (en) | 2012-04-12 | 2016-07-19 | Botulinum Toxin Research Associates, Inc. | Use of botulinum toxin for the treatment of cerebrovascular disease, renovascular and retinovascular circulatory beds |
US11484580B2 (en) | 2014-07-18 | 2022-11-01 | Revance Therapeutics, Inc. | Topical ocular preparation of botulinum toxin for use in ocular surface disease |
US9901627B2 (en) | 2014-07-18 | 2018-02-27 | Revance Therapeutics, Inc. | Topical ocular preparation of botulinum toxin for use in ocular surface disease |
US11123411B2 (en) | 2016-12-08 | 2021-09-21 | Gary E. Borodic | Method of treating macular degeneration using botulinum toxin-based pharmaceuticals |
US11096993B2 (en) | 2016-12-08 | 2021-08-24 | Gary E. Borodic | Method of treating macular degeneration using botulinum toxin-based pharmaceuticals |
US20210121542A1 (en) * | 2019-10-28 | 2021-04-29 | Prime Bio, Inc. | Composition for delivery of protein therapeutics through oral, sublingual and buccal route |
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- 2000-07-19 DE DE10035156A patent/DE10035156A1/de not_active Withdrawn
-
2001
- 2001-07-19 HU HU0301644A patent/HUP0301644A3/hu unknown
- 2001-07-19 CZ CZ2003169A patent/CZ2003169A3/cs unknown
- 2001-07-19 PL PL01364993A patent/PL364993A1/xx not_active Application Discontinuation
- 2001-07-19 AU AU2001285688A patent/AU2001285688B2/en not_active Ceased
- 2001-07-19 RU RU2002134755/13A patent/RU2002134755A/ru not_active Application Discontinuation
- 2001-07-19 CA CA002415712A patent/CA2415712A1/en not_active Abandoned
- 2001-07-19 CN CNB018130909A patent/CN100497379C/zh not_active Expired - Fee Related
- 2001-07-19 KR KR1020037000614A patent/KR100822006B1/ko not_active Expired - Fee Related
- 2001-07-19 AU AU8568801A patent/AU8568801A/xx active Pending
- 2001-07-19 IL IL15353901A patent/IL153539A0/xx unknown
- 2001-07-19 US US10/333,477 patent/US20040028703A1/en not_active Abandoned
- 2001-07-19 EP EP01964858A patent/EP1303535A2/de not_active Withdrawn
- 2001-07-19 MX MXPA03000566A patent/MXPA03000566A/es not_active Application Discontinuation
- 2001-07-19 DE DE10192679T patent/DE10192679D2/de not_active Expired - Fee Related
- 2001-07-19 JP JP2002511776A patent/JP2004503600A/ja active Pending
- 2001-07-19 WO PCT/DE2001/002816 patent/WO2002005844A2/de active IP Right Grant
- 2001-07-19 BR BR0112515-0A patent/BR0112515A/pt not_active IP Right Cessation
-
2003
- 2003-01-10 CU CU20030009A patent/CU23381A3/es not_active IP Right Cessation
- 2003-01-17 NO NO20030231A patent/NO20030231L/no not_active Application Discontinuation
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005009475A1 (ja) * | 2003-07-25 | 2005-02-03 | Yukako Fujinaga | クロストリジウム属菌由来成分を含む医薬製剤 |
WO2006010360A2 (de) * | 2004-07-22 | 2006-02-02 | Biotecon Therapeutics Gmbh | Carrier für arzneimittel zur gewinnung der oralen bioverfügbarkeit |
WO2006010360A3 (de) * | 2004-07-22 | 2007-12-27 | Biotecon Therapeutics Gmbh | Carrier für arzneimittel zur gewinnung der oralen bioverfügbarkeit |
WO2009131435A1 (en) * | 2008-04-23 | 2009-10-29 | Erasmus University Medical Center Rotterdam | Linker containing bungarotoxin and a binding peptide |
WO2011075500A3 (en) * | 2009-12-18 | 2011-08-18 | Allergan, Inc. | Clostridium botulinum carrier complex for the administration of therapeutic agents |
US9782492B2 (en) | 2009-12-18 | 2017-10-10 | Allergan, Inc. | Stabilization of therapeutic agents to facilitate administration |
Also Published As
Publication number | Publication date |
---|---|
AU8568801A (en) | 2002-01-30 |
KR20030045013A (ko) | 2003-06-09 |
NO20030231D0 (no) | 2003-01-17 |
DE10035156A1 (de) | 2002-02-07 |
IL153539A0 (en) | 2003-07-06 |
WO2002005844A3 (de) | 2002-06-27 |
MXPA03000566A (es) | 2004-12-13 |
NO20030231L (no) | 2003-03-18 |
CN1443196A (zh) | 2003-09-17 |
HUP0301644A2 (hu) | 2003-08-28 |
KR100822006B1 (ko) | 2008-04-15 |
CU23381A3 (es) | 2009-06-25 |
CZ2003169A3 (cs) | 2004-02-18 |
HUP0301644A3 (en) | 2010-01-28 |
EP1303535A2 (de) | 2003-04-23 |
WO2002005844A8 (de) | 2002-02-14 |
CN100497379C (zh) | 2009-06-10 |
AU2001285688B2 (en) | 2005-09-08 |
DE10192679D2 (de) | 2003-06-18 |
JP2004503600A (ja) | 2004-02-05 |
RU2002134755A (ru) | 2004-07-10 |
BR0112515A (pt) | 2003-07-01 |
CA2415712A1 (en) | 2003-01-10 |
US20040028703A1 (en) | 2004-02-12 |
PL364993A1 (pl) | 2004-12-27 |
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