JP2861655B2 - Liquid preparation containing human urinary trypsin inhibitor and method for producing the same - Google Patents

Liquid preparation containing human urinary trypsin inhibitor and method for producing the same

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Publication number
JP2861655B2
JP2861655B2 JP4203211A JP20321192A JP2861655B2 JP 2861655 B2 JP2861655 B2 JP 2861655B2 JP 4203211 A JP4203211 A JP 4203211A JP 20321192 A JP20321192 A JP 20321192A JP 2861655 B2 JP2861655 B2 JP 2861655B2
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JP
Japan
Prior art keywords
liquid preparation
trypsin inhibitor
human urinary
urinary trypsin
producing
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.)
Expired - Fee Related
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JP4203211A
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Japanese (ja)
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JPH0625011A (en
Inventor
祥次 井手野
度子 堂井
節 後藤
正明 広瀬
厚司 真崎
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YOSHITOMI SEIYAKU KK
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YOSHITOMI SEIYAKU KK
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  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明はヒト尿性トリプシンイン
ヒビターの液状製剤及びその製造方法に関する。
The present invention relates to a liquid preparation of a human urinary trypsin inhibitor and a method for producing the same.

【0002】[0002]

【従来の技術】ヒト尿性トリプシンインヒビター(ヒト
尿由来トリプシンインヒビター、以下HUTI)は、P
rokschらによりヒト尿より初めてintactな
形で分離・精製された(J.Lab.Clin.Me
d.,79,491,(1972))。同分子はシアル
酸及び中性ヘキソースを数十%含む、分子量約67kd
(ゲル濾過分析)、等電点2〜3の糖タンパク質である
(J.Lab.Clin.Med.,79,491,
(1972)、日泌尿会誌、74,1627,(198
3)、Proteinase Inhibitors,
12,389,(1986)、Biochim.Bio
phys.Res.Commun.,109,124
7,(1982))。
2. Description of the Related Art Human urinary trypsin inhibitor (human urine-derived trypsin inhibitor, hereinafter referred to as HITI) is a P urinary trypsin inhibitor.
were first isolated and purified from human urine in an intact form by Roksch et al. (J. Lab. Clin. Me.)
d. , 79, 491, (1972)). The molecule contains sialic acid and neutral hexose at tens of percent and has a molecular weight of about 67 kd.
(Gel filtration analysis), which is a glycoprotein having an isoelectric point of 2-3 (J. Lab. Clin. Med., 79, 491,
(1972), Journal of the Japan Urinary Association, 74, 1627, (198
3), Proteinase Inhibitors,
12, 389, (1986), Biochim. Bio
phys. Res. Commun. , 109,124
7, (1982)).

【0003】このHUTIは、膵酵素のトリプシン及び
キモトリプシンを特に強く阻害するが、AT−III やF
OYと異なり凝固・線溶系の酵素を全く或は弱くしか阻
害しない(日薬理会誌、81,235,(198
3))。また、ライソゾーム膜の安定化効果を持つこと
からライソゾーム酵素の産生を抑制したり、心筋抑制因
子の産生抑制作用を有すると言われている(麻酔、3
3,137,(1984))。
[0003] This HITI particularly strongly inhibits the pancreatic enzymes trypsin and chymotrypsin.
Unlike OY, it inhibits coagulation / fibrinolytic enzymes at all or only weakly (Jpn Pharmaceutical Association, 81, 235, (198)
3)). In addition, it has a stabilizing effect on the lysosomal membrane, and is therefore said to suppress the production of lysosomal enzymes and to inhibit the production of myocardial depressants.
3, 137, (1984)).

【0004】以上の活性・作用を有することから、急性
膵炎や急性循環不全への有用性が期待され、持田製薬
(株)により初めて製剤化され、1985年に商品名ミ
ラクリッドとして発売されるに到った(持田製薬
(株)、ミラクリッド添付文書(1985)) 本製剤は、臨床的に急性膵炎及び手術時やエンドトキシ
ンショック時に対処する重篤な副作用の見られない製剤
として使われており、近年の売上は100億円に達して
いる。
[0004] Having the above activities and effects, it is expected to be useful for acute pancreatitis and acute circulatory insufficiency. It was first formulated by Mochida Pharmaceutical Co., Ltd. and launched in 1985 under the trade name Miracrid. (Mochida Pharmaceutical Co., Ltd., Miracled package insert (1985)) This formulation has been clinically used as a formulation without acute side effects to cope with acute pancreatitis and surgery or endotoxin shock. Has reached 10 billion yen.

【0005】ところで、HUTIを製剤化するに当た
り、液状製剤とすることが可能である。この際、添加剤
として、塩化ナトリウム、リン酸塩、リン脂質、マンニ
トール、アルブミン、ゼラチン等を用いることが従来よ
り知られている。(特開昭55−160724号、同5
8−225026号、同63−267730号)。
[0005] By the way, when huti is formulated, it can be made into a liquid formulation. At this time, it has been conventionally known to use sodium chloride, phosphate, phospholipid, mannitol, albumin, gelatin and the like as additives. (JP-A-55-160724, 5
Nos. 8-225026 and 63-267730).

【0006】[0006]

【発明が解決しようとする課題】本発明の目的は、保存
時の安定性に優れたトリプシンインヒビター含有液状製
剤を提供することにある。
SUMMARY OF THE INVENTION An object of the present invention is to provide a liquid preparation containing a trypsin inhibitor which has excellent storage stability.

【0007】[0007]

【問題を解決するための手段】本発明者らはHUTIの
液状製剤について鋭意研究を行い、従来より公知の製剤
に比べて保存時の安定性に優れた製剤を調製できること
を見出して本発明を完成した。即ち、本発明は、イオン
強度が0.1M以下であり、pHが7以下であることを
特徴とするヒト尿性トリプシンインヒビター含有液状製
剤である。また、本発明は、ヒト尿性トリプシンインヒ
ビター含有溶液をpH5〜7で60〜100℃に加熱後
に、その温度を維持しつつ、pHを2〜5に下げて1〜
30分間加熱処理して得られるヒト尿性トリプシンイン
ヒビター含有液状製剤である。
Means for Solving the Problems The present inventors have conducted intensive studies on a liquid formulation of HITI and found that a formulation having excellent storage stability can be prepared as compared with a conventionally known formulation, and found the present invention. completed. That is, the present invention is, ion
Strength is at 0.1M or less, a human urinary trypsin inhibitor-containing liquid formulation having a pH and wherein 7 or less der Rukoto. In addition, the present invention relates to a method of heating a human urinary trypsin inhibitor-containing solution at a pH of 5 to 7 and heating the solution to 60 to 100 ° C.
It is a human urinary trypsin inhibitor-containing liquid preparation obtained by heat treatment for 30 minutes.

【0008】また、本発明は、ヒト尿性トリプシンイン
ヒビター含有溶液をpH5〜7で60〜100℃に加熱
後に、その温度を維持しつつ、pHを2〜5に下げて1
〜30分間加熱処理することからなる前記液状製剤の製
造方法である。 (1)HUTI 本発明のHUTIは、尿由来、細胞培養由来、遺伝子工
学由来のいずれにも限定されない。また、医薬品として
適用可能な程度まで精製されておればよい。
[0008] The present invention also relates to a method of heating a human urinary trypsin inhibitor-containing solution at a pH of 5 to 7 at 60 to 100 ° C, and maintaining the temperature while lowering the pH to 2 to 5 to 1
A method for producing the liquid preparation, which comprises heat-treating for up to 30 minutes. (1) huti The huti of the present invention is not limited to those derived from urine, cell culture, or genetic engineering. Further, it may be purified to the extent that it can be applied as a pharmaceutical.

【0009】HUTIの精製法としては陰イオン交換体
処理、限外濾過、ゲル濾過、アフィニティクロマト、無
機吸着剤処理、塩析、等電点沈殿法、キトサン処理、不
溶性トリプシン処理等が知られている(特開昭51−5
1579、同51−118810、同51−12381
0、同55−160724、同56−99427、同5
7−140728、同60−260518、同61−3
7736等)。
As a method for purifying HITI, anion exchanger treatment, ultrafiltration, gel filtration, affinity chromatography, inorganic adsorbent treatment, salting out, isoelectric precipitation, chitosan treatment, insoluble trypsin treatment and the like are known. (Japanese Patent Laid-Open Publication
1579, 51-118810, 51-12381
0, 55-160724, 56-99427, 5
7-140728, 60-260518, 61-3
7736).

【0010】また、金属キレート樹脂処理、疎水性担体
処理、加熱処理等を組み合わせてもよい。こうして得ら
れるHUTIは分子量6万〜7万程度(好ましくは67
000)、等電点は2〜3程度、比活性は2000〜3
500単位/mg蛋白程度である。 (2)液状製剤 本発明の液状製剤におけるHUTIの濃度は、1000
〜50000単位/mL程度が例示される。本発明の特
徴は低イオン強度、pH7以下である。低イオン強度と
は、pH調整等を行ったあとの液状製剤のイオン強度
が、塩化ナトリウム濃度に換算して0.1M(モル/
L)以下である。好ましくは0.05M以下、さらに
ましくは、0.01M以下である。pHは3〜7が例示
されるが、好ましくは3〜6程度である。ただし、酸性
蛋白質分解酵素が共存する場合はpH4〜6程度、共存
しない場合はpH3〜6程度が好都合である。該pH調
整等に使用される物質としては、リン酸塩、塩化ナトリ
ウム、グリシン−塩酸等が挙げられるが、HUTIの調
製過程で既に上記条件が満足されているならば、特にな
にも添加しなくともよい。尚、本発明において酸性蛋白
質分解酵素とは以下の性質を有するものを指す。 (i)酸性(pH2〜4付近)でHUTIを分解する。 (ii)アスパラギン酸プロテアーゼの阻害剤であるペ
プスタチンまたはアミノペプチダーゼの阻害剤であるベ
スタチンによって阻害される。 (iii)100℃3分間またはpH2〜4程度での6
0℃、30分間の加温処理により不活化される。
Further, a metal chelate resin treatment, a hydrophobic carrier treatment, a heat treatment and the like may be combined. The huti thus obtained has a molecular weight of about 60,000 to 70,000 (preferably 67 to 70,000).
000), isoelectric point is about 2-3, specific activity is 2000-3
About 500 units / mg protein. (2) Liquid preparation The concentration of huti in the liquid preparation of the present invention is 1000
For example, about 50,000 units / mL. The features of the present invention are low ionic strength and pH 7 or less. Low ionic strength is the ionic strength of the liquid preparation after pH adjustment, etc.
Is 0.1 M (mol / mol)
L) The following is true. Preferably it is 0.05M or less, more preferably 0.01M or less. The pH is, for example, 3-7, but preferably about 3-6. However, the pH is preferably about 4 to 6 when the acidic protease is present, and about 3 to 6 when the acidic protease is not present. Substances used for the pH adjustment and the like include phosphate, sodium chloride, glycine-hydrochloric acid, and the like. It is not necessary. In the present invention, the acid protease refers to one having the following properties. (I) Decompose huti under acidic conditions (around pH 2-4). (Ii) Inhibited by pepstatin, an inhibitor of aspartic protease, or bestatin, an inhibitor of aminopeptidase. (Iii) 6 at 100 ° C. for 3 minutes or pH of about 2 to 4
Inactivated by heating at 0 ° C. for 30 minutes.

【0011】また、当該酵素が共存しないようなHUT
Iの製法としては、 当該酵素の阻害剤を固定化した担体を用いて、酵素を
吸着除去する方法。 弱酸性pH(例えば、pH5〜7程度)で60〜10
0℃に加温後に、pHを下げて(例えば、pH2〜5程
度)、1〜30分程度加温処理することにより、酵素を
不活化する方法等を用いることができる。
[0011] Further, a HUT in which the enzyme does not coexist
The method for producing I is a method in which an enzyme is adsorbed and removed using a carrier on which an inhibitor of the enzyme is immobilized. 60 to 10 at a weak acidic pH (for example, about pH 5 to 7)
After heating to 0 ° C., a method of inactivating the enzyme by lowering the pH (for example, about pH 2 to 5) and performing a heating treatment for about 1 to 30 minutes can be used.

【0012】本発明の液状製剤には公知の添加剤、二糖
類(例、ショ糖、マルトース)あるいは糖アルコール
(例、マンニトール、ソルビトール)を、例えば0.0
1〜mg/mL程度用いてもよい。HUTI含有溶液
に必要に応じて添加剤を添加後、通常の方法により、除
菌濾過、分注、加熱処理等の操作を施して、液状製剤と
して供与できる。本製剤は注射剤、点眼剤、点鼻剤等と
して、患者に投与することができる。
The liquid preparation of the present invention contains known additives, disaccharides (eg, sucrose, maltose) or sugar alcohols (eg, mannitol, sorbitol), for example, 0.0
About 1 to 1 mg / mL may be used. After adding additives as needed to the huti-containing solution, the solution can be provided as a liquid preparation by subjecting it to operations such as sterilization filtration, dispensing, and heat treatment by a usual method. This preparation can be administered to patients as injections, eye drops, nasal drops and the like.

【0013】[0013]

【実施例】本発明をより詳細に説明するために実施例お
よび参考例を挙げるが、本発明はこれらによって、なん
ら限定されるものではない。 実施例1 HUTI(比活性 2500U/mg蛋白)10mgを
精製水1mL(ミリリットル)に溶解し、pHを6に調
整して、本発明の液状製剤を得た。
The present invention will be described in more detail with reference to Examples and Reference Examples, which should not be construed as limiting the invention thereto. Example 1 10 mg of HITI (specific activity 2500 U / mg protein) was dissolved in 1 mL (milliliter) of purified water, and the pH was adjusted to 6 to obtain a liquid preparation of the present invention.

【0014】実施例2 HUTI(比活性 2500U/mg蛋白)10mgを
0.05Mリン酸緩衝液(pH6)1mLに溶解し、本
発明の液状製剤を得た。 実施例3 HUTI(比活性 2500U/mg蛋白)10mgを
精製水1mLに溶解し、100℃に加温した。温度を保
ちつつ、pH3〜4に調整して3分間置き、その後に温
度を下げることにより、本発明の液状製剤を得た。
Example 2 10 mg of HITI (specific activity 2500 U / mg protein) was dissolved in 1 mL of 0.05 M phosphate buffer (pH 6) to obtain a liquid preparation of the present invention. Example 3 10 mg of HITI (specific activity 2500 U / mg protein) was dissolved in 1 mL of purified water, and heated to 100 ° C. While maintaining the temperature, the pH was adjusted to 3 to 4 and the mixture was kept for 3 minutes, and then the temperature was lowered to obtain the liquid preparation of the present invention.

【0015】実施例4 HUTI(比活性 2500U/mg蛋白)10mgを
0.15Mリン酸緩衝液(pH7)1mLに溶解した後
に、ペプスタチンを固定化したセファロース6Bカラム
にアプライし、その非吸着画分を回収した。さらにpH
を4に調整して、本発明の液状製剤を得た。
Example 4 After dissolving 10 mg of HITI (specific activity 2500 U / mg protein) in 1 mL of 0.15 M phosphate buffer (pH 7), the solution was applied to a Sepharose 6B column on which pepstatin was immobilized, and the non-adsorbed fraction was obtained. Was recovered. Further pH
Was adjusted to 4 to obtain a liquid preparation of the present invention.

【0016】実施例5 HUTI(比活性 2500U/mg蛋白)10mgを
精製水1mLに溶解し、60℃に加温した。温度を保ち
つつ、pH3〜4に調整して30分間置き、その後に温
度を下げることにより、本発明の液状製剤を得た。 実施例6 HUTI(比活性 2500U/mg蛋白)10mgを
精製水1mLに溶解し、60℃で10時間加熱処理後
に、温度を保ちつつ、グリシン−塩酸緩衝液でpH3〜
4に調整して30分間置き、その後に温度を下げること
により、本発明の液状製剤を得た。
Example 5 10 mg of HITI (specific activity 2500 U / mg protein) was dissolved in 1 mL of purified water and heated to 60 ° C. While maintaining the temperature, the pH was adjusted to 3 to 4 and the mixture was placed for 30 minutes, and then the temperature was lowered to obtain the liquid preparation of the present invention. Example 6 10 mg of HITI (specific activity 2500 U / mg protein) was dissolved in 1 mL of purified water, and after a heat treatment at 60 ° C. for 10 hours, the pH was adjusted to 3 to 3 with a glycine-hydrochloric acid buffer while maintaining the temperature.
4, and the temperature was lowered for 30 minutes, and then the liquid preparation of the present invention was obtained.

【0017】以下に実験例を示す。イオン強度について
は、それぞれの液状製剤のイオン強度を塩化ナトリウム
濃度に換算してモル濃度(M)で表した。 実験例1 実施例1で調製した液状製剤を用いて、pH6、イオン
強度0〜1Mの条件で60℃、7日間保存し、その効果
を確認した。HUTIの凝集による高分子体およびHU
TIの分解による低分子体の各々の含有率はゲル濾過法
により測定した。結果を表1に示す。
An experimental example will be described below. About ionic strength
The sodium chloride of the ionic strength of each liquid formulation
The concentration was converted to a molar concentration (M). Experimental Example 1 The liquid preparation prepared in Example 1 was stored at 60 ° C. for 7 days under conditions of pH 6 and ionic strength of 0 to 1 M, and the effect was confirmed. Polymers and HU by aggregation of huti
The content of each of the low molecular weight substances due to the decomposition of TI was measured by a gel filtration method. Table 1 shows the results.

【0018】[0018]

【表1】 [Table 1]

【0019】実験例2 実施例1で調製した液状製剤を用いて、イオン強度0.
01、pH1〜10の条件下で60℃10時間保存し、
その効果を確認した。HUTIの高分子体および低分子
体の各々の含有率はゲル濾過法により測定した。HUT
I活性はカッセルらの方法(メソッド・イン・エンザイ
モロジー、19巻、844頁、1970年)に準じて測
定した。結果を表2に示す。
EXPERIMENTAL EXAMPLE 2 Using the liquid preparation prepared in Example 1, an ionic strength of 0.
01, stored at 60 ° C. for 10 hours under conditions of pH 1 to 10,
The effect was confirmed. The content of each of the high molecular weight and low molecular weight HITI was measured by a gel filtration method. HUT
I activity was measured according to the method of Kassel et al. (Method in Enzymology, 19, 844, 1970). Table 2 shows the results.

【0020】[0020]

【表2】 [Table 2]

【0021】実験例3 実施例3で調製した液状製剤を用いて、pH5、イオン
強度0〜1Mの条件で60℃、6日間保存し、その効果
を確認した。HUTIの凝集による高分子体および低分
子体の各々の含有率はゲル濾過法により測定した。結果
を表3に示す。
Experimental Example 3 The liquid preparation prepared in Example 3 was stored at 60 ° C. for 6 days under conditions of pH 5 and ionic strength of 0 to 1 M, and the effect was confirmed. The content of each of the high molecular weight substance and the low molecular weight substance due to the aggregation of HITI was measured by a gel filtration method. Table 3 shows the results.

【0022】[0022]

【表3】 [Table 3]

【0023】実験例4 実施例3および5で調製した液状製剤中の、酸性蛋白質
分解酵素が不活化されたかどうかを確認した。その効果
は、液状製剤をpH2.5で37℃15分間処理して生
じたHUTIの低分子体の生成度から判断した。結果を
表4に示す。
Experimental Example 4 It was confirmed whether or not the acidic protease was inactivated in the liquid preparations prepared in Examples 3 and 5. The effect was determined based on the degree of generation of HITI low molecular weights produced by treating the liquid preparation at pH 2.5 at 37 ° C. for 15 minutes. Table 4 shows the results.

【0024】[0024]

【表4】 [Table 4]

【0025】実験例5 実施例6で得た液状製剤をイオン強度0.01M、pH
4〜5.5に調整した上で40℃で2月間保存し、安定
性を確認した。また、安定化剤としてソルビトールを
0.2mg/mL添加した場合の効果も確認した。HU
TIの高分子体および低分子体の含有率、HUTI活性
は、実験例1または2に準じて測定した。結果を表5に
示す。
Experimental Example 5 The liquid preparation obtained in Example 6 was subjected to ionic strength 0.01 M, pH
After adjusting to 4-5.5, it was stored at 40 ° C. for 2 months to confirm the stability. The effect of adding 0.2 mg / mL of sorbitol as a stabilizer was also confirmed. HU
The contents of the high molecular weight and low molecular weight TI and the HITI activity were measured according to Experimental Example 1 or 2. Table 5 shows the results.

【0026】[0026]

【表5】 [Table 5]

【0027】参考例 人尿を特開昭62−93238の方法に準じて調製した
ものを本実施例に使用されるHUTIの出発原料とし
た。出発原料420mLをpH6.4に調整後、0.1
Mリン酸緩衝液(pH6.4)で平衡化したQAE−ア
ガロースゲル(商品名Q−セファロース ファストフロ
ー、ファルマシア社)にアプライした。その後、0.5
M塩化ナトリウム加0.1Mリン酸緩衝液(pH6.
4)で溶出しHUTI含有画分を回収した。
Reference Example Human urine prepared according to the method of JP-A-62-93238 was used as a starting material of HITI used in this example. After adjusting 420 mL of the starting material to pH 6.4, 0.1
The mixture was applied to a QAE-agarose gel (trade name: Q-Sepharose Fast Flow, Pharmacia) equilibrated with M phosphate buffer (pH 6.4). Then 0.5
M sodium chloride and 0.1 M phosphate buffer (pH 6.
The fraction eluted in 4) was collected.

【0028】溶出画分800mLをpH8に調整後、
0.5M塩化ナトリウム加0.1Mリン酸緩衝液(pH
8)で平衡化したCu2+キレートアガロースゲル(商品
名キレートセファロース ファスト フロー、 ファル
マシア社)にアプライし、非吸着画分を回収した。非吸
着画分260mLに酢酸緩衝液(pH5)を加えて、最
終50mMに調整し、60℃、10時間加熱処理した。
さらに2M硫酸アンモニウムを添加して濃度0.8Mに
調整後、0.8M硫酸アンモニウムで平衡化したフェニ
ル−アガロースゲル(商品名フェニル セファロース4
B、ファルマシア社)にアプライし、非吸着画分を回収
した。
After adjusting 800 mL of the eluted fraction to pH 8,
0.5 M sodium chloride and 0.1 M phosphate buffer (pH
The mixture was applied to a Cu 2+ chelate agarose gel (trade name: Chelate Sepharose Fast Flow, Pharmacia) equilibrated in 8), and a non-adsorbed fraction was collected. An acetate buffer (pH 5) was added to 260 mL of the non-adsorbed fraction to adjust the final concentration to 50 mM, and the mixture was heated at 60 ° C. for 10 hours.
Further, after adding 2 M ammonium sulfate to adjust the concentration to 0.8 M, a phenyl-agarose gel (trade name: Phenyl Sepharose 4) equilibrated with 0.8 M ammonium sulfate was used.
B, Pharmacia) and the non-adsorbed fraction was collected.

【0029】非吸着画分610mLにEDTAを1mM
となるように添加後に限外濾過膜(商品名UFメンブラ
ン、フィルトロン社、分子量1万以下の画分をカット)
で処理し、濃縮画分を回収した。濃縮画分28mLを
0.15M塩化ナトリウム加50mM酢酸緩衝液(pH
6.2)で平衡化したポリアクリルアミドゲル(商品名
セファクリルS−200HP、ファルマシア社)にアプ
ライし、同緩衝液で溶出しHUTI画分を回収した。最
後に精製水で透析した。
1 mM EDTA was added to 610 mL of the non-adsorbed fraction.
Ultrafiltration membrane (trade name: UF membrane, Filtron Co., cut off fractions with molecular weight of 10,000 or less)
And concentrated fractions were collected. 28 mL of the concentrated fraction was added to 50 mM acetate buffer (pH 5
The solution was applied to a polyacrylamide gel (trade name: Sephacryl S-200HP, Pharmacia) equilibrated in 6.2) and eluted with the same buffer to collect a HITI fraction. Finally, it was dialyzed against purified water.

【0030】[0030]

【発明の効果】本発明によれば、HUTIの長期保存時
の安定性が改善される。特に、重合による高分子体およ
び分解による低分子体の生成を抑えた製剤を調製するこ
とができる。
According to the present invention, the stability of HITI during long-term storage is improved. In particular, it is possible to prepare a preparation in which the production of high molecular weight by polymerization and low molecular weight by decomposition is suppressed.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 広瀬 正明 大阪府枚方市招提大谷2丁目25番1号 株式会社ミドリ十字 中央研究所内 (72)発明者 真崎 厚司 大阪府枚方市招提大谷2丁目25番1号 株式会社ミドリ十字 中央研究所内 (56)参考文献 特開 昭61−37736(JP,A) (58)調査した分野(Int.Cl.6,DB名) A61K 38/55 - 38/57 CA(STN) REGISTRY(STN)────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Masaaki Hirose 2- 25-1, Invitation Otani, Hirakata-shi, Osaka Midori Cross Co., Ltd. Central Research Laboratory (72) Inventor Atsushi Masaki 2-25, Invitation Otani, Hirakata-shi, Osaka No. 1 Midori Cross Co., Ltd. Central Research Laboratory (56) References JP-A-61-37736 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) A61K 38/55-38/57 CA (STN) REGISTRY (STN)

Claims (5)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 イオン強度が0.1M以下であり、pH
が7以下であることを特徴とするヒト尿性トリプシンイ
ンヒビター含有液状製剤。
Claims: 1. An ionic strength of 0.1 M or less,
Is a human urinary trypsin inhibitor-containing liquid preparation, wherein is less than or equal to 7.
【請求項2】 イオン強度が0.05M以下である請求
項1記載の液状製剤。
2. The liquid preparation according to claim 1, which has an ionic strength of 0.05 M or less.
【請求項3】 比活性が2000単位/mg蛋白〜35
00単位/mg蛋白である請求項1または2に記載の液
状製剤。
3. Specific activity is 2000 units / mg protein to 35.
3. The liquid preparation according to claim 1, wherein the liquid preparation is 00 units / mg protein.
【請求項4】 ヒト尿性トリプシンインヒビター含有溶
液をpH5〜7で60〜100℃に加熱後に、その温度
を維持しつつ、pHを2〜5に下げて1〜30分間加熱
処理して得られる請求項1記載の液状製剤。
4. A solution obtained by heating a human urinary trypsin inhibitor-containing solution at 60 to 100 ° C. at a pH of 5 to 7 and lowering the pH to 2 to 5 while maintaining the temperature for 1 to 30 minutes. The liquid preparation according to claim 1 .
【請求項5】 ヒト尿性トリプシンインヒビター含有溶
液をpH5〜7で60〜100℃に加熱後に、その温度
を維持しつつ、pHを2〜5に下げて1〜30分間加熱
処理することからなる請求項1記載の液状製剤の製造方
法。
5. A method comprising heating a human urinary trypsin inhibitor-containing solution at a pH of 5 to 7 to 60 to 100 ° C., lowering the pH to 2 to 5 while maintaining the temperature, and performing a heat treatment for 1 to 30 minutes. A method for producing the liquid preparation according to claim 1.
JP4203211A 1992-07-08 1992-07-08 Liquid preparation containing human urinary trypsin inhibitor and method for producing the same Expired - Fee Related JP2861655B2 (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4203211A JP2861655B2 (en) 1992-07-08 1992-07-08 Liquid preparation containing human urinary trypsin inhibitor and method for producing the same

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP10026198A Division JPH10182482A (en) 1998-02-06 1998-02-06 Liquid preparation containing human urinary trypsin inhibitor and its production

Publications (2)

Publication Number Publication Date
JPH0625011A JPH0625011A (en) 1994-02-01
JP2861655B2 true JP2861655B2 (en) 1999-02-24

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ID=16470308

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Country Link
JP (1) JP2861655B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2660484B2 (en) * 1994-04-12 1997-10-08 株式会社ミドリ十字 Liquid preparation containing human urinary trypsin inhibitor
US6355243B1 (en) * 1999-11-13 2002-03-12 Bayer Corporation Method of thrombolysis by local delivery of active plasmin

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6137736A (en) * 1984-07-31 1986-02-22 Nippon Chem Res Kk Preparation of human urine trypsin inhibitor drug

Also Published As

Publication number Publication date
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