WO1996028182A1 - Method of preventing tpo adsorption and stable tpo-containing composition - Google Patents
Method of preventing tpo adsorption and stable tpo-containing composition Download PDFInfo
- Publication number
- WO1996028182A1 WO1996028182A1 PCT/JP1996/000636 JP9600636W WO9628182A1 WO 1996028182 A1 WO1996028182 A1 WO 1996028182A1 JP 9600636 W JP9600636 W JP 9600636W WO 9628182 A1 WO9628182 A1 WO 9628182A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tpo
- protein
- leu
- pro
- containing composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
-
- 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
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/18—Growth factors; Growth regulators
-
- 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
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/42—Proteins; Polypeptides; Degradation products thereof; Derivatives thereof, e.g. albumin, gelatin or zein
-
- 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
- A61K38/17—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- A61K38/19—Cytokines; Lymphokines; Interferons
- A61K38/196—Thrombopoietin
-
- 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
- A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
- A61K47/26—Carbohydrates, e.g. sugar alcohols, amino sugars, nucleic acids, mono-, di- or oligo-saccharides; Derivatives thereof, e.g. polysorbates, sorbitan fatty acid esters or glycyrrhizin
-
- 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
- A61K47/44—Oils, fats or waxes according to two or more groups of A61K47/02-A61K47/42; Natural or modified natural oils, fats or waxes, e.g. castor oil, polyethoxylated castor oil, montan wax, lignite, shellac, rosin, beeswax or lanolin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/08—Solutions
Definitions
- the present invention relates to a stable composition containing no protein having a sugar chain moiety, and particularly to a method for adsorbing, associating, or polymerizing on a container wall. Stable to prevent loss of active ingredients and decrease in potency
- the present invention also relates to a method for preventing a decrease in titer due to adsorption of ⁇ 0 on a container wall containing the composition.
- the thrombopo ietin is a ligand for the Mp1 which is one of the receptor super-units of the site power receptor. It is a cloned protein (de Sauvage et al., Natue (Lon don) 369, 533-565, (1994), Bart Iey, TD et al. ,
- Mp1 ligands were derived from the blood of thrombocytopenic animals (humans, mice, dogs). ⁇ ⁇ Detected in plasma, and its involvement in megakaryocyte formation and platelet formation has been confirmed.
- the present applicant also used the index of the activity of promoting megakaryocyte production from megakaryocyte progenitor cells highly purified from human bone marrow.
- index of the activity of promoting megakaryocyte production from megakaryocyte progenitor cells highly purified from human bone marrow To purify rat TPO from thrombocytopenic rat plasma and, based on its partial amino acid sequence,
- the present inventors administered the human TPO to a mouse with thrombocytopenia in which myelosuppression was caused by administration of an anticancer drug or an immunosuppressant, or by irradiation ⁇ BMT.
- a thrombocytopenia inhibitory effect, a platelet increase promoting effect, and an enhancement of hematopoietic function are observed, and the TP0 of the present invention is effective for these thrombocytopenia.
- TPO is used in an extremely small amount for its high activity and usually has an active ingredient of 0.OS ⁇ g Z kg body weight to lmg Z kg body weight, preferably 0.5 / g Z kg body weight to 50 // g Z kg body weight can be administered several times a day, depending on the gender of the disease and the route of administration. Therefore, it is required to formulate the drug in an extremely small amount.
- the titer decreases due to adsorption to the drug container (bial, ampoule, etc.), and intravenous drip infusion The absorption loss to the infusion bottle and drip line when combined with the infusion at the time cannot be ignored.
- the present inventor has proposed a method of adsorbing a TP0 protein having no sugar chain for the purpose of preventing a decrease in titer when formulating or blending an infusion solution.
- Various studies were conducted to obtain a stable TP0-containing composition that would prevent the occurrence of TP0.
- pharmaceutically acceptable proteins, cellulose derivatives, sulfated polysaccharides, surfactants, poly (vinyl alcohol), macromolecules, and pharmaceutically acceptable proteins in TPO Nori (also called polyethylene glycol) and aminoacetic acid (also called glycin) were found to be effective when added. Completed the invention.
- the present invention relates to a composition containing a TP0 protein having no sugar chain, comprising a protein, a cellulose derivative, a sulfated polysaccharide, At least one pharmaceutically acceptable selected from the group consisting of surfactants, polyvinyl alcohol, macrogol, and amino acetic acid
- a method for preventing a decrease in titer due to adsorption of ⁇ 0 on a container wall containing the composition characterized by containing an additive.
- the present invention relates to a protein having no sugar chain moiety, a pharmaceutically acceptable protein, a cellulose derivative, and a sulfated polysaccharide. And at least one additive selected from the group consisting of surfactants, polyvinyl alcohol, macrogol, and amino acetic acid.
- a ⁇ ⁇ containing composition characterized by this is provided.
- Figure 1 shows a standard curve fee showing the relationship between the concentration of ⁇ ⁇ (1-163) / E.c01i and the absorption value (45 GZ 650 nm), determined by the ELISA method. .
- FIG. 2 shows the time course of the recovery of TPO (1-163) ZE.c01 ⁇ when human serum albumin (HSA) of various concentrations was added.
- HSA human serum albumin
- the term “zero” refers to an isolated tamper having high purity. If it is a protein, the origin of the production method does not matter, but it is composed of the amino acid sequence shown in SEQ ID NO: 1 and has no sugar chain. Quality is used. Alternatively, a portion of the amino acid sequence shown in SEQ ID NO: 1 is modified (substitution, deletion, insertion, insertion, or deletion) as long as it retains TP0 activity. And Z or addition), the protein having no amino acid sequence and having no sugar chain is also considered as the TPO of the present invention. You can use it.
- the amino acid sequence is substantially the amino acid sequence shown in SEQ ID NO: 1 and does not have a sugar chain. Can also be used.
- the term “substantially the amino acid sequence shown in SEQ ID NO: 1” means “in addition to the amino acid sequence shown in SEQ ID NO: 1,” As far as possible, the amino acid sequence shown in SEQ ID NO: 1 has a substitution, deletion, insertion, and / or addition in a part of the amino acid sequence. '' It is meant to include
- the TPO of the present invention contains the amino acid sequence from position 7 to position 151 of the amino acid sequence shown in SEQ ID NO: 1 and has a ⁇ ⁇ activity. It also includes proteins that do not have a carbohydrate moiety having a glycan moiety. More specifically, the position of the amino acid sequence shown in SEQ ID NO: 1, 231, 1st, 2nd, 1st, 1st, 9th, etc.
- At least one amino acid may be added to the inner or outer portion of the sequence from position 7 to position 151 within a range that does not impair the ⁇ 0 activity.
- Proteins consisting of amino acid sequences having substitutions, deletions, insertions, and / or additions, and having no carbohydrate moiety are also present. It is included in the description of ⁇ .
- Protein 2 Arginine residue at position 5 is located at the asparagine residue
- glutamate residue at position 21 is located at the lysine residue.
- the exchanged proteins, and also at the C-terminus of these proteins, T hr Ser I 1 e G 1 y T yr Pro T yr A sp V al Pro A sp TyrA laG1yVa1HisHisHisHisHisHisHisHisHisHisHis The polypeptide with the added polypeptide can be listed.
- amino acid sequence of SEQ ID NO: 1 lacking a glycan moiety and lacking at least a histidine residue at position 33 with respect to the amino acid sequence of SEQ ID NO: 1.
- a protein with a glycin residue inserted between the rolidine residues, between the histidine residue at position 33 and the propylin residue at position 34 Glycine residue is inserted into One 3 8-position of the profile Li down residues Se Li down residues replacement have been data down path click quality, the 6-position of the grayed Li Evening protein with an asparagine residue inserted between the 7
- Proteins with a glycin residue inserted between the aluginine residue at position 7 can be listed.
- at least a protein in which the lysine residue at position 129 was replaced with an alginine residue, and a histidine residue at position 133 were a arginine residue.
- Protein substituted with noreginin residue, evening protein in which methionine residue at position 144 was substituted with an arginine residue, Dali at position 82 A protein in which a cysteine residue is substituted with a loisine residue, and a protein in which a dalysin residue at position 146 is substituted with a loisine residue , A protein in which serine residue at position 148 was substituted with a proline residue, and a protein in which lysine residue at position 59 was substituted with an aluginine residue
- Proteins include proteins in which the amino group at position 115 is substituted with an alginine residue.
- the TPO of the present invention includes a human TPO having the amino acid sequence shown in SEQ ID NO: 1 and a methionine residue at position 12 of the above-mentioned derivative. Group, and — a protein that does not have a carbohydrate moiety with a lysine residue added at position 1 and a methionine residue at position 1.
- the TPO of the present invention is a recombinant vector containing cDNA, chromosomal DNA, or DNA obtained by chemical synthesis, and is isolated and purified from a transformed host cell. Preferably, it is obtained.
- a prokaryote bacterium, preferably E. coli
- E. coli bacterium, preferably E. coli
- additives examples include proteins, cellulose derivatives, sulfated polysaccharides, surfactants, and surfactants.
- examples include vinyl alcohol, macroglycol, and amino acetic acid.
- Proteins include human serum albumin, gelatin, bovine serum albumin, casein, collagen, and human serum globulin. Lin etc. can be used.
- Cellulose derivatives include methylenol cellulose, hydroxypropyl cellulose, hydroxyethyl senolace, and the like.
- the surfactant include polyoxyethylene hardened castor oil, polyoxyethylene castor oil, polysorbate 80, and Monola.
- Polyoxyethylensorenobitan fatty acids such as uronic acid polyoxyethylene sorbitan (alias: polysorbate 20) Solubi evenings such as polyester, polyoxyethylene polypropylene, sonorebitan monooleate, etc.
- Fatty acid esters such as sucrose monoperiodic acid esters, sucrose fatty acid esters, egg yolk lin lipids such as egg yolk lecithin, and benzoyl chloride Aromatic quaternary ammonium salts such as zetonium and benzyl chloride-conium, sodium lauryl sulfate, etc. A Ruki Le sulfate ⁇ You can in use.
- chondroitin sulfate sodium As sulfated polysaccharides, chondroitin sulfate sodium, heparin sodium and the like can be used.
- additives used in the present invention may be used in a concentration range of 0.001 to 10% when the TP0-containing composition is used as an aqueous solution.
- the additive used in the present invention is generally used in an amount of from 0.02 parts by weight to 1 part by weight of the TP0 protein as an active ingredient. It is desirable to use within the range of 100,000 parts by weight.
- the TP0-containing composition of the present invention is suitable for the purpose of its formulation.
- the stable TP0-containing composition of the present invention can be used in the form of a solution, a suspension, or the like in a dosage form suitable for various administration routes including parenteral administration such as injection, pulmonary nasal administration and oral administration. Preparations, tablets, pills, capsules, granules, freeze-dried preparations and the like. It is not necessary that the TP 0 and the additives according to the present invention are always provided in the same composition in an inactive state from the beginning, and they are prepared separately. A composition dosage form in which both may be mixed at the time of use is also possible.
- the enzyme-linked immunosorbent assay for TP0 used in the following experimental examples is as follows.
- An antibody (subclonal L3-1-L54 of L3-1) was prepared at 20 g / ml with 50 mM carbonate buffer (pH 9.2) and adjusted to 96 g / ml.
- a peroxidase color plate (SUMON, Ca. No. ML-1120T).
- SUMON Ca. No. ML-1120T
- ⁇ ⁇ Add 1 GQ ⁇ I of the color former with 1/100 volume of substrate solution to the color former, stir with a microplate mixer, and plate.
- the reaction was performed at room temperature after sealing with a shinore. After about 30 minutes, 100 ⁇ 1 of the reaction stop solution was added to each well, and the color reaction was stopped by stirring with a microplate mixer.
- the absorption at 450/650 nm wavelength was measured with an ELISA plate reader (THERMOma i !, manufactured by Mallec «1ar Devices).
- Human serum albumin 0.005%, 0.011%, 0.02%, 0.05% in the OmM tris buffer (pH 7.5). 1%, 0.2%,
- a sample containing 0.5% was prepared and used as a sample.
- As a control sample only lOmM tris buffer (pH 7.5) was prepared.
- a solution 51 containing TPO 3 / g obtained by the method described in Reference Example below is added to a glass positive test tube to which each sample 1001 has been added, and left at room temperature.
- Samples were collected at a time, and the amount of TPO in the solution was measured by the ELISA method, and the recovery relative to the expected value was determined.
- FIG. 2 shows the results.
- BLANK indicates only 10 mM tris buffer (pH 7.5)
- HSA indicates human serum albumin. From the figure, it was found that human blood albumin exhibited an anti-adsorption effect.
- a preparation was prepared in the same manner, except that 0.2 g of the purified serum (type B) was used instead of 0.25 g of the human serum anolevumin in Example 1. Was.
- TPO in 10 ml of 10 mM Tris buffer solution of PH 6.5 Prepare an aqueous solution containing 250 mg of polyoxyethylene hardened castor oil 600 mg and sodium chloride 81.82 mg aseptically and add 1 ml each. Dispense into vials and seal.
- a protein having an amino acid sequence from position 1 to position 163 of SEQ ID NO: 1 (hereinafter referred to as TP0 (1-163) E.c0Ii) is shown.
- DNA encoding the amino acid sequence was chemically synthesized using a codon in Escherichia coli.
- a methionine residue and a lysine residue were added to the N-terminus, and a DNA sequence encoding a stop codon was added to the C-terminus.
- Met-Lys is added to the N-terminus of the amino acid sequence of the amino acid sequence from position 1 to position 163 of SEQ ID NO: 1, which is the protein encoded by this DNA sequence.
- the amino acid sequence of the identified protein (hereinafter referred to as “hMKT (1-163)”) is shown in SEQ ID NO: 2.
- the synthesized hMKT (1-163) gene fragment is shown in SEQ ID NO: 3.
- pAMGU is the plasmid pC FM1656 (ATCC No.
- Mutations in site-specific bases can be enhanced by the use of mutation-introduction methods that utilize CR.
- the obtained transformant was cultured in LB medium at 30 eC for about 12 hours.
- Cells were cultured, batch medium (yeast extract effluent 20 gZ l; click E phosphate 3.; 2 ⁇ 0 5 g / 1 ; Dow P 2000 15 ro I; Gunore courses 5g / l; MgS0 4 -7H 2 0 1 g / 1; trace metal 5.5 ml / l Bi evening Mi emissions 5.
- 5in including the l / l) aseptically transfer has been or not a fermentation tank, including, in the more The first culture engineering, OD of the culture solution of the Soviet Union A 6. . And continued to 5.0 ⁇ 1.0.
- the cultivation was carried out at about 30 ° C throughout the entire process.
- the culture solution is maintained at a pH of about 7.0 by adding an acid or a base as necessary.
- the desired dissolved oxygen performance is maintained at the stirring speed and aeration in the fermenter. Maintained by adjusting the speed and oxygen flow rate. OD of the culture of that is A 6. .
- the third feed medium (Lactose 301 / I) was fed to the fermenter at a constant speed. The addition of the medium was stopped, and the flow rate of the second feed medium was changed to a new constant rate. Start the culture by adding the third feed medium. After the start, it lasted about 10 hours. After the culture, the culture was cooled to 15 ⁇ 5, and the cells were collected by centrifugation.
- the resulting pellets were stored below -60 ° C.
- 18D0 g of cell cells was suspended in about 18 L of 10 mM EDTA, and passed through a high-pressure homogenizer through 15, G0Qpsi.
- the disrupted cell suspension was subjected to centrifugation, the precipitate was resuspended in 10 L of 1 QmM EDTA, and the suspension was subjected to arrest and separation.
- the eluted fraction of the CM Sepharose column obtained in this manner was subjected to a sodium phosphate buffer solution using a 10,000-cut-molecular-weight membrane.
- TPO-activated protein ie, TPO (1-1-63) /I.c01i in 1 Gin M sodium phosphate buffer (pH 7.2) Eluted with a linear concentration gradient of sodium chloride from 0.1 to 0.25M.
- ammonium sulfate up to 0.6 M to contain the 0.6 M ammonium sulfate.
- Sequence Listing SEQ ID NO Sequence length: 33 2 Sequence type: Amino acid Sequence type: Protein Origin: Human (HomoSapiens) sequence
- Sequence type nucleic acid
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Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP96906012A EP0815869A4 (en) | 1995-03-15 | 1996-03-14 | METHOD FOR PREVENTING TPO ADSORPTION AND STABLE AGENTS CONTAINING TPO |
| AU49539/96A AU4953996A (en) | 1995-03-15 | 1996-03-14 | Method of preventing tpo adsorption and stable tpo-containing composition |
| MXPA/A/1997/006985A MXPA97006985A (en) | 1995-03-15 | 1997-09-12 | Methods to prevent trombopoyetine (tpo) adsorption and stable compositions containing |
| NZ303277A NZ303277A (en) | 1995-03-15 | 1997-09-16 | Preventing tpo (thrombopoietin) adsorption and stable tpo-containing compositions therefor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5624995 | 1995-03-15 | ||
| JP7/56249 | 1995-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO1996028182A1 true WO1996028182A1 (en) | 1996-09-19 |
Family
ID=13021821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP1996/000636 Ceased WO1996028182A1 (en) | 1995-03-15 | 1996-03-14 | Method of preventing tpo adsorption and stable tpo-containing composition |
Country Status (8)
| Country | Link |
|---|---|
| EP (1) | EP0815869A4 (ja) |
| KR (1) | KR19980702956A (ja) |
| CN (1) | CN1193914A (ja) |
| AU (1) | AU4953996A (ja) |
| CA (1) | CA2215249A1 (ja) |
| NZ (1) | NZ303277A (ja) |
| TW (1) | TW434021B (ja) |
| WO (1) | WO1996028182A1 (ja) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2427053A4 (en) * | 2009-05-07 | 2012-12-05 | Glaxosmithkline Llc | METHOD FOR TREATING THROMBOCYTOPENIA |
| US8476249B2 (en) | 2009-05-07 | 2013-07-02 | Glaxosmithkline Llc | Method of treating thrombocytopenia |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0372429A (ja) * | 1988-10-07 | 1991-03-27 | Chugai Pharmaceut Co Ltd | 血小板減少症の治療剤 |
| JPH06313000A (ja) * | 1992-07-17 | 1994-11-08 | Suntory Ltd | 巨核球増殖分化因子 |
| WO1995018858A1 (en) * | 1994-01-03 | 1995-07-13 | Genentech, Inc. | Thrombopoietin |
| WO1995021919A2 (en) * | 1994-02-14 | 1995-08-17 | Kirin Brewery Company, Limited | Protein having tpo activity |
| WO1995021920A1 (en) * | 1994-02-14 | 1995-08-17 | Zymogenetics, Inc. | Hematopoietic protein and materials and methods for making it |
| WO1995021626A1 (en) * | 1994-02-14 | 1995-08-17 | University Of Washington | Methods for stimulating erythropoiesis using thrombopoietin |
| WO1995026746A1 (en) * | 1994-03-31 | 1995-10-12 | Amgen Inc. | Compositions and methods for stimulating megakaryocyte growth and differentiation |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58206513A (ja) * | 1982-05-28 | 1983-12-01 | Eisai Co Ltd | セクレチン吸着防止組成物および方法 |
| JPS6191131A (ja) * | 1984-10-09 | 1986-05-09 | Chugai Pharmaceut Co Ltd | 医薬品の吸着防止方法および組成物 |
| GR871067B (en) * | 1986-07-18 | 1987-11-19 | Chugai Pharmaceutical Co Ltd | Process for producing stable pharmaceutical preparation containing granulocyte colony stimulating factor |
-
1995
- 1995-05-08 TW TW084104561A patent/TW434021B/zh active
-
1996
- 1996-03-14 CN CN96193747A patent/CN1193914A/zh active Pending
- 1996-03-14 EP EP96906012A patent/EP0815869A4/en not_active Withdrawn
- 1996-03-14 KR KR1019970706364A patent/KR19980702956A/ko not_active Ceased
- 1996-03-14 AU AU49539/96A patent/AU4953996A/en not_active Abandoned
- 1996-03-14 CA CA002215249A patent/CA2215249A1/en not_active Abandoned
- 1996-03-14 WO PCT/JP1996/000636 patent/WO1996028182A1/ja not_active Ceased
-
1997
- 1997-09-16 NZ NZ303277A patent/NZ303277A/xx unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0372429A (ja) * | 1988-10-07 | 1991-03-27 | Chugai Pharmaceut Co Ltd | 血小板減少症の治療剤 |
| JPH06313000A (ja) * | 1992-07-17 | 1994-11-08 | Suntory Ltd | 巨核球増殖分化因子 |
| WO1995018858A1 (en) * | 1994-01-03 | 1995-07-13 | Genentech, Inc. | Thrombopoietin |
| WO1995021919A2 (en) * | 1994-02-14 | 1995-08-17 | Kirin Brewery Company, Limited | Protein having tpo activity |
| WO1995021920A1 (en) * | 1994-02-14 | 1995-08-17 | Zymogenetics, Inc. | Hematopoietic protein and materials and methods for making it |
| WO1995021626A1 (en) * | 1994-02-14 | 1995-08-17 | University Of Washington | Methods for stimulating erythropoiesis using thrombopoietin |
| WO1995026746A1 (en) * | 1994-03-31 | 1995-10-12 | Amgen Inc. | Compositions and methods for stimulating megakaryocyte growth and differentiation |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP0815869A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0815869A1 (en) | 1998-01-07 |
| MX9706985A (es) | 1997-11-29 |
| TW434021B (en) | 2001-05-16 |
| EP0815869A4 (en) | 2001-12-19 |
| KR19980702956A (ko) | 1998-09-05 |
| AU4953996A (en) | 1996-10-02 |
| CA2215249A1 (en) | 1996-09-19 |
| NZ303277A (en) | 1999-02-25 |
| CN1193914A (zh) | 1998-09-23 |
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