JP4099541B2 - Method for producing purified peptide - Google Patents
Method for producing purified peptide Download PDFInfo
- Publication number
- JP4099541B2 JP4099541B2 JP2006196665A JP2006196665A JP4099541B2 JP 4099541 B2 JP4099541 B2 JP 4099541B2 JP 2006196665 A JP2006196665 A JP 2006196665A JP 2006196665 A JP2006196665 A JP 2006196665A JP 4099541 B2 JP4099541 B2 JP 4099541B2
- Authority
- JP
- Japan
- Prior art keywords
- gly
- peptide
- tripeptide
- adsorbent
- hydrophilic
- 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.)
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- Medicinal Preparation (AREA)
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- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Description
親水性トリペプチドGly-X-Yの含有率が低いペプチド混合物から、親水性トリペプチドGly-X-Yの含有率が高められたペプチド精製物を製造する方法に関する。さらに本発明は、親水性トリペプチドGly-X-Yの含有率が高められ、かつエンドトキシンの含有量も低減されたペプチド組成物とその製造方法にも関する。 The present invention relates to a method for producing a purified peptide having a high content of hydrophilic tripeptide Gly-X-Y from a peptide mixture having a low content of hydrophilic tripeptide Gly-X-Y. Furthermore, the present invention relates to a peptide composition in which the content of the hydrophilic tripeptide Gly-X-Y is increased and the content of endotoxin is also reduced, and a method for producing the same.
ゼラチンまたはコラーゲンをプロテアーゼ、ペプチターゼ或はコラゲナーゼ(以下酵素という)にて加水分解して得られるペプチドに僅かに含まれるトリペプチドGly-X-Yは、コラーゲン産生促進作用、ヒアルロン酸産生促進作用、皮膚コラーゲン合成促進作用、骨折治癒促進作用、腱損傷治癒促進作用等の効果が認められており、食品及び化粧品などに利用されている(特開2002-255847号公報(特許文献1)、特開2003-137807号公報(特許文献2)、特開2004-123637号公報(特許文献3)、特開2005-281186号公報(特許文献4))。 Tripeptide Gly-XY, which is slightly contained in peptides obtained by hydrolysis of gelatin or collagen with protease, peptidase or collagenase (hereinafter referred to as enzyme), promotes collagen production, hyaluronic acid production, skin collagen synthesis Effects such as a promoting action, a fracture healing promoting action, and a tendon damage healing promoting action have been recognized and are used in foods and cosmetics (Japanese Patent Laid-Open No. 2002-255847 (Patent Document 1), Japanese Patent Laid-Open No. 2003-137807). (Patent Document 2), JP-A-2004-123637 (Patent Document 3), JP-A-2005-281186 (Patent Document 4)).
一般に、ゼラチンやコラーゲンは、牛や豚などの陸上動物及び魚原料から抽出して製造されており、これを原料に酵素にて加水分解することでトリペプチドを含むペプチド組成物が得られる。 In general, gelatin and collagen are produced by extraction from land animals such as cattle and pigs and fish raw materials, and a peptide composition containing a tripeptide can be obtained by hydrolyzing the raw materials with enzymes.
ゼラチンやコラーゲンを酵素にて加水分解することによりトリペプチドを含むペプチドが得られることが知られている。ここでは、バイオリアクターによる連続分解、回分式分解、逆相クロマトグラフィーによりトリペプチドの精製(画分)がなされている(特許第3146251号公報(特許文献5))。しかし、トリペプチド含有率の高いペプチドを工業的に製造するまでには至っていない。 It is known that peptides containing tripeptides can be obtained by hydrolyzing gelatin or collagen with enzymes. Here, purification (fraction) of the tripeptide is performed by continuous decomposition, batch decomposition, and reverse phase chromatography using a bioreactor (Japanese Patent No. 3146251 (Patent Document 5)). However, a peptide having a high tripeptide content has not yet been industrially produced.
特許文献2には、トリペプチドの中でも、特定アミノ酸配列を有する33種類のトリペプチドが、コラーゲン産生促進作用等の作用に優れていることが記載されている。しかし、本発明者らがさらに研究したところ、これらのトリペプチドの内、親水性トリペプチドがコラーゲン産生促進作用等の作用により優れていることが判明した。 Patent Document 2 describes that among the tripeptides, 33 types of tripeptides having a specific amino acid sequence are excellent in actions such as collagen production promoting action. However, further investigations by the present inventors have revealed that among these tripeptides, hydrophilic tripeptides are superior due to effects such as collagen production promoting action.
ところが、ゼラチンやコラーゲンを酵素にて加水分解することにより得られるトリペプチドを含むペプチド混合物中における、上記親水性トリペプチドの含有率は、原料や製造条件により異なる。通常は2〜10%程度と低い。また、トリペプチドを含むペプチド混合物から上記親水性トリペプチドの含有量を高めたペプチド組成物を得る方法はこれまでのところ知られていない。 However, the content of the hydrophilic tripeptide in a peptide mixture containing a tripeptide obtained by hydrolyzing gelatin or collagen with an enzyme varies depending on the raw material and production conditions. Usually it is as low as 2-10%. Moreover, the method of obtaining the peptide composition which raised content of the said hydrophilic tripeptide from the peptide mixture containing a tripeptide is not known so far.
上記親水性トリペプチドは、本発明者らが行ったODS樹脂を担体として用いた液体クロマトグラフィーの結果(図3参照)によれば、水溶媒100%溶離条件下で溶出してくる一群のフラグメントである。それに対して、ゼラチンやコラーゲンを酵素にて加水分解することにより得られるトリペプチドを含むペプチド混合物には、親水性トリペプチド以外に、含水有機溶媒にて溶出してくる一郡のフラグメントがあり、これらのフラグメントに含まれるペプチドは、ODS液体クロマトグラフィーにおける溶出挙動から、上記親水性を示すトリペプチドよりも、相対的に疎水性が高いペプチドであると考えられる。 According to the results of liquid chromatography using the ODS resin as a carrier performed by the present inventors (see FIG. 3), the hydrophilic tripeptide is a group of fragments that elute under the elution conditions of 100% aqueous solvent. It is. On the other hand, the peptide mixture containing a tripeptide obtained by hydrolyzing gelatin or collagen with an enzyme has a group of fragments that are eluted with a water-containing organic solvent in addition to the hydrophilic tripeptide. From the elution behavior in ODS liquid chromatography, the peptides contained in these fragments are considered to be peptides that are relatively more hydrophobic than the tripeptides showing hydrophilicity.
さらに、上記ペプチド混合物は、トリペプチドGly-X-Yの含有率が、製造方法によって異なるが、工業的に可能な一般な製造方法で得られるペプチド混合物の親水性トリペプチドGly-X-Yの含有率は、通常は2〜10%の範囲であり、高くても20%までである。 Furthermore, although the content of the tripeptide Gly-XY varies depending on the production method, the content of the hydrophilic tripeptide Gly-XY in the peptide mixture obtained by a general industrially possible production method is as follows. Usually it is in the range of 2-10%, up to 20%.
そこで本発明の目的は、ゼラチンまたはコラーゲンの酵素消化精製物のようなペプチド混合物(例えば、親水性トリペプチドGly-X-Yの含有率が2〜20%のペプチド混合物)から、大量生産に適した方法で、親水性トリペプチドGly-X-Yの含有率が25%以上のペプチド精製物を製造できる方法を提供することにある。 Accordingly, an object of the present invention is to provide a method suitable for mass production from a peptide mixture (for example, a peptide mixture having a hydrophilic tripeptide Gly-XY content of 2 to 20%) such as an enzyme-digested purified product of gelatin or collagen. An object of the present invention is to provide a method for producing a purified peptide having a hydrophilic tripeptide Gly-XY content of 25% or more.
さらに本発明の目的は、上記製造方法で得られる親水性トリペプチドの含有率が高いペプチド精製物から、親水性トリペプチドGly-X-Yの含有率が高められ、かつエンドトキシンの含有量も低減されたペプチド組成物を提供することにある。 Furthermore, the object of the present invention is to increase the content of the hydrophilic tripeptide Gly-XY and reduce the content of endotoxin from the purified peptide having a high content of hydrophilic tripeptide obtained by the above production method. It is to provide a peptide composition.
本発明は以下の通りである。
[1]親水性トリペプチドGly-X-Y(Gly-X-Yは、Gly-Ser-Hyp、Gly-Lys-Asp、Gly-Ala-Ala、Gly-Pro-Hyl、Gly-Leu-Hyp、Gly-Ala-Arg、Gly-Ala-Ser、Gly-Ala-Hyp、Gly-Gln-Glu、Gly-Glu-Gln、Gly-Pro-Ser、Gly-Pro-Lys、Gly-Pro-Ala、Gly-Pro-Pro、 Gly-Pro-ArgおよびGly-Pro-Hypから成る群から選ばれる少なくとも1種である)および疎水性ペプチドを含有するペプチド混合物を含む水溶液を非極性吸着剤と接触させて、
前記ペプチド混合物に含有される少なくとも一部の疎水性ペプチドを非極性吸着剤に吸着させ、
前記非極性吸着剤に吸着しなかった親水性トリペプチドGly-X-Yを回収することを含み、
前記非極性吸着剤への接触は、非極性吸着剤を充填したカラムに上記ペプチド混合物を含む水溶液を流通することで行い、カラムからの流出水溶液を回収することで親水性トリペプチドGly-X-Yの回収を行うか、または
前記非極性吸着剤への接触は、非極性吸着剤と上記ペプチド混合物を含む水溶液を容器中で混合し、必要により一定時間放置することで行い、非極性吸着剤から水溶液を分離することで親水性トリペプチドGly-X-Yの回収を行う、
親水性トリペプチドGly-X-Yの含有率が前記ペプチド混合物より高められたペプチド精製物の製造方法。
[2]前記ペプチド混合物がタンパク質加水分解物である[1]に記載の製造方法。
[3]前記タンパク質加水分解物がゼラチンまたはコラーゲンの酵素消化精製物である[2]に記載の製造方法。
[4]前記ペプチド混合物の親水性トリペプチドGly-X-Yの含有率が2〜20%の範囲であり、かつペプチド精製物の親水性トリペプチドGly-X-Yの含有率が25%以上である[1]〜[3]のいずれかに記載の製造方法。
[5]前記非極性吸着剤がスチレン系吸着剤、置換芳香族系吸着剤、またはアクリル系吸着剤である[1]〜[4]のいずれかに記載の製造方法。
[6]前記非極性吸着剤が、活性炭である[1]〜[4]のいずれかに記載の製造方法。
[7]前記活性炭が、塩化亜鉛賦活活性炭である[6]に記載の製造方法。
[8]前記活性炭は、細孔半径が10〜100Åであり、かつ表面積が1000m2/g以上で
ある[6]または[7]に記載の製造方法。
[9]前記非極性吸着剤が、ODS担体である[1]〜[4]のいずれかに記載の製造方法。
[10]前記非極性吸着剤と接触させるペプチド混合物を含む水溶液は、pH調整剤をさらに含む[1]〜[9]のいずれかに記載の製造方法。
[11]前記ペプチド混合物を含む水溶液は、pHを4以上7以下に調整される[10]に記載の製造方法。
[12]ペプチド精製物の親水性トリペプチドGly-X-Yの含有率が40〜95%の範囲である[1]〜[11]のいずれかに記載の製造方法。
[13]回収した親水性トリペプチドGly-X-Yを含有する溶液を、脱塩処理して、塩分含有量を低減したペプチド精製物を得る[1]〜[12]のいずれかに記載の製造方法。
[14]回収した親水性トリペプチドGly-X-Yを含有する溶液、またはこの溶液を脱塩処理した後の溶液をMFろ過して、除菌したペプチド精製物を得る[1]〜[12]のいずれかに記載の製造方法。
[15]回収した親水性トリペプチドGly-X-Yを含有する溶液、またはこの溶液を脱塩処理及び/又はMFろ過した溶液を乾燥して、固形のペプチド精製物を得る[1]〜[12]のいずれかに記載の製造方法。
[16] [14]または[15]に記載の方法で得られたトリペプチド精製物を含む水溶液を、分画分子量1000〜6000の限外ろ過膜で処理して、透過液としてエンドトキシンを低減したトリペプチド精製物を得る、エンドトキシンを低減したトリペプチド精製物の製造方法。
The present invention is as follows.
[1] Hydrophilic tripeptide Gly-XY (Gly-XY is Gly-Ser-Hyp, Gly-Lys-Asp, Gly-Ala-Ala, Gly-Pro-Hyl, Gly-Leu-Hyp, Gly-Ala- Arg, Gly-Ala-Ser, Gly-Ala-Hyp, Gly-Gln-Glu, Gly-Glu-Gln, Gly-Pro-Ser, Gly-Pro-Lys, Gly-Pro-Ala, Gly-Pro-Pro, Contacting an aqueous solution containing a peptide mixture containing a hydrophobic peptide and at least one selected from the group consisting of Gly-Pro-Arg and Gly-Pro-Hyp with a non-polar adsorbent,
Adsorbing at least a portion of the hydrophobic peptide contained in the peptide mixture to a nonpolar adsorbent;
Look including recovering the unadsorbed non-polar adsorbent hydrophilic tripeptide Gly-XY,
The contact with the nonpolar adsorbent is carried out by circulating an aqueous solution containing the peptide mixture through a column filled with the nonpolar adsorbent, and the aqueous solution of the hydrophilic tripeptide Gly-XY is recovered by collecting the aqueous solution flowing out from the column. Do recovery or
The contact with the non-polar adsorbent is performed by mixing an aqueous solution containing the non-polar adsorbent and the peptide mixture in a container and leaving it for a certain period of time if necessary. Recovery of the sex tripeptide Gly-XY,
A method for producing a purified peptide in which the content of the hydrophilic tripeptide Gly-XY is higher than that of the peptide mixture.
[2] The production method according to [1], wherein the peptide mixture is a protein hydrolysate.
[3] The production method according to [2], wherein the protein hydrolyzate is a product obtained by enzymatic digestion of gelatin or collagen.
[4] The content of hydrophilic tripeptide Gly-XY in the peptide mixture is in the range of 2 to 20%, and the content of hydrophilic tripeptide Gly-XY in the purified peptide is 25% or more. ] The manufacturing method in any one of [3].
[5] The production method according to any one of [1] to [4], wherein the nonpolar adsorbent is a styrene adsorbent, a substituted aromatic adsorbent, or an acrylic adsorbent.
[6] The production method according to any one of [1] to [4], wherein the nonpolar adsorbent is activated carbon.
[7] The production method according to [6], wherein the activated carbon is zinc chloride activated activated carbon.
[8] The production method according to [6] or [7], wherein the activated carbon has a pore radius of 10 to 100 mm and a surface area of 1000 m 2 / g or more.
[9] The production method according to any one of [1] to [4], wherein the nonpolar adsorbent is an ODS carrier.
[10] The production method according to any one of [1] to [9], wherein the aqueous solution containing the peptide mixture brought into contact with the nonpolar adsorbent further contains a pH adjuster.
[11] The production method according to [10], wherein the aqueous solution containing the peptide mixture is adjusted to have a pH of 4 or more and 7 or less.
[12] The production method according to any one of [1] to [11] , wherein the content of the hydrophilic tripeptide Gly-XY in the purified peptide is in the range of 40 to 95%.
[13] The production method according to any one of [1] to [12] , wherein the solution containing the recovered hydrophilic tripeptide Gly-XY is desalted to obtain a purified peptide having a reduced salt content .
[14] The solution containing the recovered hydrophilic tripeptide Gly-XY or the solution after desalting the solution is subjected to MF filtration to obtain a sterilized peptide purified product of [1] to [12] The manufacturing method in any one.
[15] A solution containing the recovered hydrophilic tripeptide Gly-XY or a solution obtained by desalting and / or MF filtering the solution is dried to obtain a purified peptide product [1] to [12] The manufacturing method in any one of.
[16] The aqueous solution containing the purified tripeptide obtained by the method according to [14] or [15] was treated with an ultrafiltration membrane having a molecular weight cut off of 1000 to 6000 to reduce endotoxin as a permeate. A method for producing a purified tripeptide with reduced endotoxin, wherein the purified tripeptide is obtained.
本発明によって得られる、親水性トリペプチドの含有率が高められたペプチド精製物は、機能性の高い健康食品、機能性食品、医薬品、医薬部外品または化粧品原料として利用することができる。また、ペプチド精製物に対して限外ろ過を行うことにより更に精製(脱エンドトキシン)されたトリペプチドが得られ、その機能性から再生医療や注射用剤、輸液製剤、人口透析への利用も期待できる。 The purified peptide obtained by the present invention and having a high hydrophilic tripeptide content can be used as a highly functional health food, functional food, pharmaceutical product, quasi-drug or cosmetic raw material. In addition, by performing ultrafiltration on the purified peptide, a further purified (de-endotoxin) tripeptide can be obtained, and its functionality is expected to be used for regenerative medicine, injectables, infusion preparations, and artificial dialysis. it can.
本発明は、親水性トリペプチドGly-X-Y(Gly-X-Yはアミノ酸配列であり、X、YはGly以外のアミノ酸残基を示す)を含有するペプチド混合物を非極性吸着剤と接触させて、前記ペプチド混合物に含有される少なくとも一部のペプチドを非極性吸着剤に吸着させ、前記非極性吸着剤に吸着しなかった親水性トリペプチドGly-X-Yを回収することを含む、親水性トリペプチドGly-X-Yの含有率が前記ペプチド混合物より高められたペプチド精製物の製造方法に関する。 The present invention comprises contacting a peptide mixture containing a hydrophilic tripeptide Gly-XY (Gly-XY is an amino acid sequence, X and Y are amino acid residues other than Gly) with a nonpolar adsorbent, A hydrophilic tripeptide Gly-, comprising adsorbing at least part of the peptide contained in the peptide mixture to a nonpolar adsorbent and recovering the hydrophilic tripeptide Gly-XY that has not been adsorbed to the nonpolar adsorbent. The present invention relates to a method for producing a purified peptide in which the content of XY is higher than that of the peptide mixture.
本発明の製造方法に用いる原料は、トリペプチドGly-X-Yを含有するペプチド混合物である。Gly-X-Yはアミノ酸配列であり、X、YはGly以外のアミノ酸残基を示す。ペプチド混合物は、タンパク質加水分解物であり、より具体的には、タンパク質加水分解物は、ゼラチンまたはコラーゲンの酵素消化精製物である。親水性トリペプチドGly-X-Yを含有するペプチド混合物は、例えば、特許文献5に記載の方法で調製でき、ある程度精製したコラーゲンあるいは変性コラーゲン(ゼラチン)などを原材料として、コラゲナーゼで選択的に加水分解することによって得られる。コラーゲンあるいは変性コラーゲン(ゼラチン)などを原材料として、コラゲナーゼで選択的に加水分解することで、親水性トリペプチドGly-X-Yを含有するペプチド混合物が得られる。コラゲナーゼ以外でもプロテアーゼ、ペプチダーゼ等の酵素を用いれば、親水性トリペプチドGly-X-Yを含有するペプチド混合物が得られる。以下、コラゲナーゼ及びコラゲナーゼ以外の酵素を含めて、コラゲナーゼ等と言う。
The raw material used in the production method of the present invention is a peptide mixture containing the tripeptide Gly-X-Y. Gly-X-Y is an amino acid sequence, and X and Y represent amino acid residues other than Gly. The peptide mixture is a protein hydrolyzate, and more specifically, the protein hydrolyzate is an enzyme digested purified product of gelatin or collagen. A peptide mixture containing the hydrophilic tripeptide Gly-XY can be prepared, for example, by the method described in
ペプチド混合物の親水性トリペプチドGly-X-Yの含有率は、特に制限はない。しかし、親水性トリペプチドGly-X-Yの含有率が高いペプチド混合物の調製には、多量のコラゲナーゼ等または固定化コラゲナーゼ等が必要であり、トリペプチドGly-X-Yの含有率が2〜20%の範囲であれば、実用に耐え得る程度のコストで製造できる。従って、この範囲の親水性トリペプチドGly-X-Yの含有率を有するがペプチド混合物を用いることが本発明では好ましい。また、本発明では、親水性トリペプチドGly-X-Yの含有率が2〜20%の範囲のペプチド混合物を用いて、親水性トリペプチドGly-X-Yの含有率が25%以上であるペプチド精製物を得ることが好ましい。 The content of the hydrophilic tripeptide Gly-X-Y in the peptide mixture is not particularly limited. However, preparation of a peptide mixture with a high content of the hydrophilic tripeptide Gly-XY requires a large amount of collagenase or immobilized collagenase, etc., and the content of the tripeptide Gly-XY is in the range of 2 to 20%. Then, it can be manufactured at a cost that can withstand practical use. Accordingly, it is preferable in the present invention to use a peptide mixture having a content of the hydrophilic tripeptide Gly-X-Y in this range. In the present invention, a purified peptide having a hydrophilic tripeptide Gly-XY content of 25% or more using a peptide mixture having a hydrophilic tripeptide Gly-XY content of 2 to 20%. It is preferable to obtain.
トリペプチドGly-X-Yは、XおよびYの種類によって、親水性を示すものと、疎水性を示すものとに分けられる。しかし、殆どのGly-X-Yは親水性であると考えられている。ゼラチンまたはコラーゲンの酵素消化精製物に含まれる親水性のトリペプチドとしては、例えば、Gly-Ser-Hyp、Gly-Lys-Asp、Gly-Ala-Ala、Gly-Pro-Hyl、Gly-Leu-Hyp、Gly-Ala-Arg、Gly-Ala-Ser、Gly-Ala-Hyp、Gly-Gln-Glu、Gly-Glu-Gln、Gly-Pro-Ser、Gly-Pro-Lys、Gly-Pro-Ala、Gly-Pro- Pro、Gly-Pro-ArgおよびGly-Pro-Hypが挙げられる。 The tripeptide Gly-X-Y is classified into those showing hydrophilicity and those showing hydrophobicity depending on the types of X and Y. However, most Gly-X-Y are considered hydrophilic. Examples of hydrophilic tripeptides contained in gelatin or collagen enzymatically purified products include Gly-Ser-Hyp, Gly-Lys-Asp, Gly-Ala-Ala, Gly-Pro-Hyl, and Gly-Leu-Hyp. , Gly-Ala-Arg, Gly-Ala-Ser, Gly-Ala-Hyp, Gly-Gln-Glu, Gly-Glu-Gln, Gly-Pro-Ser, Gly-Pro-Lys, Gly-Pro-Ala, Gly -Pro-Pro, Gly-Pro-Arg and Gly-Pro-Hyp.
また、ゼラチンまたはコラーゲンの酵素消化精製物に含まれる疎水性のトリペプチドとしては、例えば、Gly-Phe-Ser、及びGly-Phe-Alaが挙げられる。本発明において、親水性トリペプチドGly-X-Yとは、ODS樹脂を担体として用いた液体クロマトグラフィーにおいて、水溶媒100%溶離条件下で溶出してくる一群のフラグメントである。一方、疎水性トリペプチドGly-X-Yとは、ODS樹脂を担体として用いた液体クロマトグラフィーにおいて、含水有機溶媒にて溶出してくる一郡のフラグメントである。図3にODS樹脂を担体として用いて行ったコラーゲンの酵素消化精製物であるコラーゲンペプチドの液体クロマトグラムを示す。図3のクロマトグラムにおいて、リテンションタイムが15分以下の溶出フラグメントは、主に親水性トリペプチドGly-X-Yである。一方、リテンションタイムが10分を超える溶出フラグメントは、疎水性トリペプチドGly-X-Yを含む、親水性トリペプチドGly-X-Yよりも疎水性が高いペプチド成分である。 In addition, examples of the hydrophobic tripeptide contained in the enzyme-purified product of gelatin or collagen include Gly-Phe-Ser and Gly-Phe-Ala. In the present invention, the hydrophilic tripeptide Gly-X-Y is a group of fragments that are eluted under the elution conditions of 100% aqueous solvent in liquid chromatography using an ODS resin as a carrier. On the other hand, the hydrophobic tripeptide Gly-X-Y is a group of fragments eluted with a water-containing organic solvent in liquid chromatography using an ODS resin as a carrier. FIG. 3 shows a liquid chromatogram of a collagen peptide, which is a purified product obtained by enzymatic digestion of collagen using ODS resin as a carrier. In the chromatogram of FIG. 3, the eluted fragments with a retention time of 15 minutes or less are mainly the hydrophilic tripeptide Gly-X-Y. On the other hand, an elution fragment having a retention time exceeding 10 minutes is a peptide component having a higher hydrophobicity than the hydrophilic tripeptide Gly-X-Y, including the hydrophobic tripeptide Gly-X-Y.
上記のペプチド混合物を非極性吸着剤と接触させて、前記ペプチド混合物に含有される少なくとも一部のペプチドを非極性吸着剤に吸着させ、前記非極性吸着剤に吸着しなかった親水性トリペプチドGly-X-Yを回収する。非極性吸着剤には、相対的に、親水性トリペプチドGly-X-Yよりも、上記疎水性トリペプチドGly-X-Yを含む疎水性が高いペプチド成分が吸着し易い。本発明ではこの吸着性の差を利用して、親水性トリペプチドGly-X-Yを濃縮する。 The hydrophilic tripeptide Gly that was not adsorbed to the nonpolar adsorbent by contacting the peptide mixture with a nonpolar adsorbent to adsorb at least part of the peptide contained in the peptide mixture to the nonpolar adsorbent -Collect XY. The nonpolar adsorbent is relatively easier to adsorb peptide components having higher hydrophobicity including the hydrophobic tripeptide Gly-X-Y than the hydrophilic tripeptide Gly-X-Y. In the present invention, the hydrophilic tripeptide Gly-X-Y is concentrated using this difference in adsorptivity.
非極性吸着剤は、非極性を有する吸着剤であれば、特に制限はない。非極性吸着剤としては、例えば、スチレン系吸着剤、置換芳香族系吸着剤およびアクリル系吸着剤等の合成樹脂吸着剤、活性炭、さらには、ODS担体を挙げることができる。接触面積が大きいという観点から、多孔性の吸着剤であることが好ましい。非極性かつ多孔性の合成樹脂吸着剤としては、例えば、三菱化学社製のDAIAION HP20、HP21、HP2MG、SEPABEADS SP825、SP850、SP70、SP207、Rohm&Haas社製のXAD4、XAD16、HPXAD1180、XAD2000等を挙げることができる。 The nonpolar adsorbent is not particularly limited as long as it is a nonpolar adsorbent. Examples of the nonpolar adsorbent include a synthetic resin adsorbent such as a styrene adsorbent, a substituted aromatic adsorbent and an acrylic adsorbent, activated carbon, and an ODS carrier. From the viewpoint of a large contact area, a porous adsorbent is preferable. Examples of non-polar and porous synthetic resin adsorbents include DAIAION HP20, HP21, HP2MG, SEPABEADS SP825, SP850, SP70, SP207 manufactured by Mitsubishi Chemical Corporation, XAD4, XAD16, HPXAD1180, XAD2000 manufactured by Rohm & Haas, etc. be able to.
上記合成樹脂吸着剤の場合、メタノール、エタノール、イソプロピルアルコール、アセトニトリル等の有機溶媒を用いて吸着成分の回収及び樹脂の再生をすることが出来る。 In the case of the synthetic resin adsorbent, the adsorption component can be recovered and the resin regenerated using an organic solvent such as methanol, ethanol, isopropyl alcohol, or acetonitrile.
非極性吸着剤としては、活性炭も使用でき、好ましくは、塩化亜鉛で賦活した活性炭(塩化亜鉛炭)を挙げることが出来る。活性炭は、例えば、細孔半径が10〜100Åであり、かつ表面積が1000m2/g以上である活性炭が好ましい。このような活性炭としては、例えば、日本エンバイロケミカルズ社製の粒状白鷺KL、DC32、及びカルボラフィン、並びに和光純薬社製の活性炭素粉末等を挙げることが出来る。 As the nonpolar adsorbent, activated carbon can be used, and activated carbon activated with zinc chloride (zinc chloride charcoal) can be preferably used. The activated carbon is preferably, for example, activated carbon having a pore radius of 10 to 100 mm and a surface area of 1000 m 2 / g or more. Examples of such activated carbon include granular white lees KL, DC32 and carborafine manufactured by Nippon Enviro Chemicals, and activated carbon powder manufactured by Wako Pure Chemical Industries.
また、非極性吸着剤としては、ODS(オクタデシル基化学結合型シリカ)樹脂を用いることもできる。ODS樹脂は、シリカゲル担体にオクタデシル基を化学結合した基材である。ODS担体といっても、炭素含有量の違い、残存シラノ−ル基の処理法の違い、シリカ担体の物性(粒子径、比表面積、細孔容積、細孔径)の違いにより選択性が異なる。ODS担体の例としては、例えば、ワイエムシィ社製のYMC-Pack PolymerC18、東ソー社製のTskgel ODS80ts、ODS100V等が挙げることが出来る。例えば、ODS樹脂を充填したカラムへペプチド混合物を通液し、親水性トリペプチド以外のペプチド(夾雑物)を吸着させ、親水性トリペプチドGly-X-Yを回収することもできる。 As the nonpolar adsorbent, ODS (octadecyl group chemically bonded silica) resin can also be used. ODS resin is a base material in which octadecyl group is chemically bonded to a silica gel carrier. Even if it is an ODS support, the selectivity differs depending on the difference in carbon content, the treatment method of the remaining silanol groups, and the physical properties (particle diameter, specific surface area, pore volume, pore diameter) of the silica support. Examples of the ODS carrier include YMC-Pack Polymer C18 manufactured by YMC, Tskgel ODS80ts manufactured by Tosoh Corporation, ODS100V, and the like. For example, the peptide mixture can be passed through a column packed with ODS resin to adsorb peptides (contaminants) other than the hydrophilic tripeptide to recover the hydrophilic tripeptide Gly-X-Y.
本発明においては、合成吸着剤、活性炭、または合成吸着剤と活性炭を併用して得られたペプチド精製物を更にODS樹脂を用いて精製することもできる。また、合成吸着剤、活性炭、ODS樹脂の2種以上の吸着剤を組み合わせて用いることもできる。 In the present invention, a purified peptide obtained by using a synthetic adsorbent, activated carbon, or a combination of a synthetic adsorbent and activated carbon can be further purified using an ODS resin. Also, a combination of two or more adsorbents of synthetic adsorbent, activated carbon, and ODS resin can be used.
トリペプチドは上記ペプチド組成物の中でも極性が大きい成分であり、中でも、親水性トリペプチドは、極性が大きい成分である。そのため、合成吸着剤、活性炭、またはODS樹脂の様な固定相を用いることで親水性トリペプチド以外のペプチド成分(夾雑物)を吸着剤へ吸着させ、親水性トリペプチドを優先的に分離することが出来る。合成吸着剤及び活性炭は、非極性物質をファンデルワールス力に基づく疎水相互作用にて吸着することが知られている。 The tripeptide is a component having a high polarity in the peptide composition, and among them, the hydrophilic tripeptide is a component having a high polarity. Therefore, by using a stationary phase such as synthetic adsorbent, activated carbon, or ODS resin, peptide components (contaminants) other than hydrophilic tripeptide are adsorbed to the adsorbent, and the hydrophilic tripeptide is preferentially separated. I can do it. Synthetic adsorbents and activated carbon are known to adsorb non-polar substances by hydrophobic interaction based on van der Waals forces.
なお、親水性トリペプチドの分離条件は原料とするトリペプチドを含有するペプチド組成物の種類や精製法により条件が異なるのでpH、温度や処理速度などを任意に選択して決定することが出来る。 The conditions for separating the hydrophilic tripeptide can be determined by arbitrarily selecting pH, temperature, treatment speed, etc., since the conditions vary depending on the type of peptide composition containing the tripeptide as a raw material and the purification method.
ペプチド混合物の非極性吸着剤への接触は、例えば、非極性吸着剤を充填したカラムにペプチド混合物を流し込むことで実施できる。その際、ペプチド混合物に含有される疎水性トリペプチドGly-X-Y及びその他のペプチドの少なくとも一部を非極性吸着剤に吸着させる。疎水性トリペプチドGly-X-Y及びその他のペプチドの非極性吸着剤への吸着は、ペプチド混合物のpHを4以上7以下に調整することでより良好に行うことができる。疎水性トリペプチドGly-X-Y及びその他のペプチドの非極性吸着剤への吸着は、好ましくはペプチド混合物のpHを5以上7以下に調整する。この範囲のpHに調整したペプチド混合物を非極性吸着剤と接触させることで、疎水性トリペプチドGly-X-Y及びその他のペプチドが、選択的に非極性吸着剤に吸着し、吸着しなかった親水性トリペプチドGly-X-Yを回収することができる。 The contact of the peptide mixture with the nonpolar adsorbent can be performed, for example, by pouring the peptide mixture into a column packed with the nonpolar adsorbent. At that time, at least a part of the hydrophobic tripeptide Gly-X-Y and other peptides contained in the peptide mixture is adsorbed to the nonpolar adsorbent. Adsorption of the hydrophobic tripeptide Gly-X-Y and other peptides to the nonpolar adsorbent can be performed better by adjusting the pH of the peptide mixture to 4 or more and 7 or less. For the adsorption of the hydrophobic tripeptide Gly-X-Y and other peptides to the nonpolar adsorbent, the pH of the peptide mixture is preferably adjusted to 5 or more and 7 or less. Hydrophobic tripeptide Gly-XY and other peptides are selectively adsorbed to the nonpolar adsorbent and not adsorbed by contacting the peptide mixture adjusted to a pH within this range with the nonpolar adsorbent. The tripeptide Gly-XY can be recovered.
pH調整にはリン酸、塩酸、クエン酸、水酸化ナトリウム、水酸化カリウム、炭酸水素アンモニウムを使用することが出来る。 For pH adjustment, phosphoric acid, hydrochloric acid, citric acid, sodium hydroxide, potassium hydroxide, and ammonium hydrogen carbonate can be used.
ペプチド混合物と非極性吸着剤との接触は、カラム以外の方法で行うこともできる。例えば、バッチ式(適当な容器へ非極性吸着剤を入れ、そこへ親水性トリペプチドを含有するペプチド混合物、例えばゼライス社製のHACPを入れて疎水性トリペプチドGly-X-Y及びその他のペプチドの少なくとも一部を吸着させる方法)も可能である。 The contact between the peptide mixture and the nonpolar adsorbent can also be performed by a method other than the column. For example, a batch type (a nonpolar adsorbent is put into a suitable container, and a peptide mixture containing a hydrophilic tripeptide, for example, HACP manufactured by Zerais Co., Ltd. is added, and at least hydrophobic tripeptide Gly-XY and other peptides A method of adsorbing a part) is also possible.
非極性吸着剤にペプチド混合物に含まれる疎水性トリペプチド等のペプチドの少なくとも一部を吸着させ、親水性トリペプチドの含有率が高くなった溶液を回収する。 At least a part of a peptide such as a hydrophobic tripeptide contained in the peptide mixture is adsorbed to the nonpolar adsorbent, and a solution having a high content of hydrophilic tripeptide is recovered.
回収した親水性トリペプチドGly-X-Y含有水溶液は、吸着の条件および溶出の条件を調整することで、親水性トリペプチドGly-X-Yの含有率を25%以上にできる。また、負荷量を変えることでも親水性トリペプチド含有率をコントロールできる。負荷量を上げると親水性トリペプチド含有率は相対的に減少し、負荷量を至適量にすることで親水性トリペプチド含有率を70%以上にすることが出来る。ここで負荷量とは、単位量の非極性吸着剤で処理するペプチド混合物の量である。 The recovered hydrophilic tripeptide Gly-X-Y-containing aqueous solution can have a hydrophilic tripeptide Gly-X-Y content of 25% or more by adjusting the conditions for adsorption and elution. The hydrophilic tripeptide content can also be controlled by changing the loading. When the loading amount is increased, the hydrophilic tripeptide content is relatively decreased, and by setting the loading amount to an optimum amount, the hydrophilic tripeptide content can be increased to 70% or more. Here, the loading amount is the amount of the peptide mixture to be treated with a unit amount of nonpolar adsorbent.
さらに、回収した親水性トリペプチドGly-X-Y含有水溶液を、さらに限外ろ過に供することもでき、さらに限外ろ過に供することで、親水性トリペプチド含有率を上昇させることができる。尚、親水性トリペプチド含有率と、負荷量との関係は、使用する非極性吸着剤の非極性や原料中の親水性トリペプチドGly-X-Yの含有率により、変化する。従って、非極性吸着剤の非極性や原料中の親水性トリペプチドGly-X-Yの含有率を考慮し、かつペプチド精製液中の所望の親水性トリペプチド含有率を考慮して、負荷量を制御することが適当である。 Furthermore, the recovered hydrophilic tripeptide Gly-X-Y-containing aqueous solution can be further subjected to ultrafiltration, and further subjected to ultrafiltration, the hydrophilic tripeptide content can be increased. The relationship between the hydrophilic tripeptide content and the load varies depending on the nonpolarity of the nonpolar adsorbent used and the content of the hydrophilic tripeptide Gly-X-Y in the raw material. Therefore, considering the nonpolarity of the nonpolar adsorbent and the content of the hydrophilic tripeptide Gly-XY in the raw material, and controlling the loading amount in consideration of the desired hydrophilic tripeptide content in the peptide purification solution It is appropriate to do.
回収した親水性トリペプチドGly-X-Yを含有する溶液は、脱塩処理に供して、塩分含有量を低減したペプチド精製物を得ることができる。脱塩処理には、無機イオンを除去する(脱塩)方法として、例えば、一般的に使用されている電気透析またはイオン交換樹脂を用いることができる。また、回収した親水性トリペプチドGly-X-Yを含有する溶液は、脱塩処理して、または脱塩処理することなしに、MFろ過等のろ過処理に供することで、滅菌することもできる。 The solution containing the recovered hydrophilic tripeptide Gly-X-Y can be subjected to a desalting treatment to obtain a purified peptide having a reduced salt content. In the desalting treatment, for example, a commonly used electrodialysis or ion exchange resin can be used as a method for removing inorganic ions (desalting). The solution containing the recovered hydrophilic tripeptide Gly-X-Y can also be sterilized by subjecting it to a filtration treatment such as MF filtration without desalting or without desalting.
回収した親水性トリペプチドGly-X-Yを含有する溶液、この溶液を脱塩処理した溶液、この溶液を脱塩処理し、かつMFろ過等で処理をした溶液、及びこの溶液をMFろ過等で処理した溶液を乾燥して、固形のペプチド精製物を得ることができる。本発明により得られた親水性トリペプチドを25%以上含有するペプチド精製物は、上記の水溶液の状態で十分な保存安定性はある。しかし、脱塩処理及び/又はMFろ過したトリペプチド水溶液は、必要に応じて濃縮、乾燥を行うことができる。真空乾燥、真空凍結乾燥、噴霧乾燥等により、乾燥粉末とすることも出来る。 A solution containing the recovered hydrophilic tripeptide Gly-XY, a solution obtained by desalting the solution, a solution obtained by desalting the solution and treated by MF filtration, and the solution treated by MF filtration The obtained solution can be dried to obtain a solid peptide purified product. The purified peptide containing 25% or more of the hydrophilic tripeptide obtained by the present invention has sufficient storage stability in the above aqueous solution state. However, the desalinized and / or MF filtered tripeptide aqueous solution can be concentrated and dried as necessary. A dry powder can also be obtained by vacuum drying, vacuum freeze drying, spray drying, or the like.
さらに、上記で脱塩処理及び/又はMFろ過した親水性トリペプチド水溶液は、好ましくはメンブランフィルター(好ましくは孔径0.2μm)で前処理した後、分画分子量1000〜6000の範囲の限外ろ過にて、脱エンドトキシンを行うことが好ましい。メンブランフィルター処理したトリペプチド精製物を含む水溶液を、分画分子量1000の限外ろ過膜で処理することで、エンドトキシンを低減した親水性トリペプチド精製物を透過液として得ることができる。トリペプチド精製物の原料は、前述のように、ある程度精製したコラーゲンあるいは変性コラーゲン(ゼラチン)などであるが、微量ではあるが、不可避的にエンドトキシンを含有する。それに対して、トリペプチド精製物を分画分子量1000〜6000の範囲の限外ろ過膜で処理することで、エンドトキシン含有量を日本薬局方 一般試験法 7.エンドトキシン試験法(ゲル化法)による検出限界である0.03EU/mL未満にまで低減できる。 Further, the hydrophilic tripeptide aqueous solution desalted and / or MF-filtered as described above is preferably pretreated with a membrane filter (preferably with a pore size of 0.2 μm), and then subjected to ultrafiltration in the range of a molecular weight cut-off of 1000 to 6000. Thus, it is preferable to perform deendotoxin. By treating an aqueous solution containing a purified membrane-treated tripeptide with an ultrafiltration membrane having a molecular weight cut off of 1000, a purified hydrophilic tripeptide with reduced endotoxin can be obtained as a permeate. As described above, the raw material of the purified tripeptide is collagen or denatured collagen (gelatin) that has been purified to some extent, but it inevitably contains endotoxin although it is in a small amount. On the other hand, endotoxin content is detected by the Japanese Pharmacopoeia General Test Method 7. Endotoxin Test Method (gelation method) by treating the purified tripeptide with an ultrafiltration membrane with a molecular weight cut off in the range of 1000-6000. The limit can be reduced to less than 0.03 EU / mL.
本発明の上記方法で得られたペプチド組成物は、親水性トリペプチドGly-X-Y(Gly-X-Yはアミノ酸配列であり、X、YはGly以外のアミノ酸残基を示す)の含有率が25%以上であり、かつエンドトキシンの含有量が0.03EU/mL未満であるペプチド組成物である。親水性トリペプチドGly-X-Yの含有率は、好ましくは40〜95%の範囲である。 Peptide composition obtained above Symbol method of the present invention, hydrophilic tripeptide Gly-XY (Gly-XY is an amino acid sequence, X, Y represents an amino acid residue other than Gly) the content of 25 not less than%, and the content of endotoxins is a peptide composition is less than 0.03 EU / mL. The content of the hydrophilic tripeptide Gly-XY is preferably in the range of 40 to 95%.
さらに本発明の上記方法で得られたペプチド組成物は、上記エンドトキシンの含有量が0.03EU/mL未満であるペプチド組成物を含有する腹膜透析液、輸液製剤、変形性関節症用製剤、及び慢性関節リュウマチ用製剤に利用できる。これら腹膜透析液、輸液製剤、変形性関節症用製剤、及び慢性関節リュウマチ用製剤は、エンドトキシンの含有量が0.03EU/mL未満であることから、安全性に優れたものである。 Further, the peptide composition obtained by the above method of the present invention includes a peritoneal dialysis solution, an infusion preparation, an osteoarthritis preparation, and a chronic composition containing the peptide composition having an endotoxin content of less than 0.03 EU / mL. It can be used for preparations for rheumatoid arthritis. These peritoneal dialysis solutions, infusion preparations, osteoarthritis preparations, and rheumatoid arthritis preparations are excellent in safety because the endotoxin content is less than 0.03 EU / mL.
以下、本発明を実施例によりさらに詳細に説明する。 Hereinafter, the present invention will be described in more detail with reference to examples.
実施例1
市販のコラーゲンペプチド360mg(ゼライス社製)を純水3.24mLに溶解し、10%コラーゲンペプチド水溶液を調製した。該コラーゲンペプチドは、親水性トリペプチドを13.0%(総トリペプチド含有率として16.0%)含有していた。総トリペプチド含有率の測定方法は、ゲルろ過クロマトグラフィーにより分析した。また、親水性のトリペプチド含有率の測定方法は、逆相クロマトグラフィーにより分析し、水100%の溶離条件(0-15min)で溶出してきた成分を親水性トリペプチド含有率とした。条件は以下の通りである。
Example 1
Commercially available collagen peptide 360 mg (manufactured by Zerais) was dissolved in 3.24 mL of pure water to prepare a 10% collagen peptide aqueous solution. The collagen peptide contained 13.0% hydrophilic tripeptide (16.0% as the total tripeptide content). The method for measuring the total tripeptide content was analyzed by gel filtration chromatography. Moreover, the measurement method of hydrophilic tripeptide content was analyzed by reverse phase chromatography, and the component eluted under 100% water elution conditions (0-15 min) was defined as the hydrophilic tripeptide content. The conditions are as follows.
ゲルろ過クロマトグラフィーの分析条件
column : Superdex Peptide(10mm×300mm)
Eluent : 100mM Tris/HCl(pH7.4)
Flow rate : 1mL/min
Detection : UV at 214nm
Analysis conditions for gel filtration chromatography
column: Superdex Peptide (10mm x 300mm)
Eluent: 100 mM Tris / HCl (pH 7.4)
Flow rate: 1mL / min
Detection: UV at 214nm
逆相クロマトグラフィーの分析条件
column : TSKgel ODS-80Ts(4.6mm×150mm)
Eluent : A)H2O/TFA(100/0.1)、B)CH3CN/H2O/TFA(50/50/0.1)
Temp : 40℃
Flow rate : 1mL/min
Detection : UV at 214nm
Analytical conditions for reversed-phase chromatography
column: TSKgel ODS-80Ts (4.6mm x 150mm)
Eluent: A) H 2 O / TFA (100 / 0.1), B) CH 3 CN / H 2 O / TFA (50/50 / 0.1)
Temp: 40 ℃
Flow rate: 1mL / min
Detection: UV at 214nm
このコラーゲンペプチド水溶液を、合成吸着剤12mLを充填したアクリル製カラムへ流速SV1(室温)で通液し、親水性のトリペプチドGly-X-Yに富むペプチド精製物を得た。合成吸着剤には、三菱化学社製のスチレン系合成吸着剤であるダイヤイオンHP20、HP21、セパビーズSP70、SP825、SP850、置換芳香族系合成吸着剤であるSP207、アクリル系合成吸着剤であるダイヤイオンHP2MGを使用した。合成吸着剤の細孔(最頻度半径)は以下の通りである。HP20:260Å、HP21:80Å、SP70:70Å、SP825:57Å、SP850:38Å、SP207:105Å、HP2MG:170Å This collagen peptide aqueous solution was passed through an acrylic column packed with 12 mL of a synthetic adsorbent at a flow rate of SV1 (room temperature) to obtain a purified peptide rich in hydrophilic tripeptide Gly-X-Y. Synthetic adsorbents include Diaion HP20 and HP21 which are styrene synthetic adsorbents manufactured by Mitsubishi Chemical Corporation, Sepabeads SP70, SP825 and SP850, SP207 which is a substituted aromatic synthetic adsorbent, and diamond which is an acrylic synthetic adsorbent. Ion HP2MG was used. The pores (most frequent radius) of the synthetic adsorbent are as follows. HP20: 260Å, HP21: 80Å, SP70: 70Å, SP825: 57Å, SP850: 38Å, SP207: 105Å, HP2MG: 170Å
各種合成吸着剤により得られたペプチド精製物を分析した結果を表2に示した。その結果、全ての系で親水性トリペプチド含有率25%以上のペプチド精製物が得られた。また、トリペプチドの回収率は45%以上であり、HP20では73%、SP70においては約90%と良好な結果が得られた。ペプチド精製物の分析は、前述と同様のゲルろ過クロマトグラフィー(総トリペプチド含有率測定)及び逆相クロマトグラフィー(親水性トリペプチド含有率の測定)により行った。以下の実施例でも、特に断らない限り同様である。 Table 2 shows the results of analyzing the purified peptide obtained with various synthetic adsorbents. As a result, a purified peptide having a hydrophilic tripeptide content of 25% or more was obtained in all systems. The tripeptide recovery rate was 45% or more, with 73% for HP20 and about 90% for SP70. Analysis of the purified peptide was performed by gel filtration chromatography (total tripeptide content measurement) and reverse phase chromatography (measurement of hydrophilic tripeptide content) as described above. The same applies to the following examples unless otherwise specified.
実施例2
実施例1で用いたと同じ市販のコラーゲンペプチド15g(ゼライス社製)を純水100mLに溶解し、前処理として脱塩処理を行なった。脱塩には三菱化学社製の強酸性陽イオン交換樹脂DIAION SK1B 2mLと、強塩基性陰イオン交換樹脂DIAION SA10A 4mLを混ぜ合わせた後、アクリル製のカラムへ充填しイオン交換樹脂を行なった。その後、純水で希釈し10%コラーゲンペプチド水溶液を調製した。なお、脱塩処理はイオン交換樹脂を使用した。表3に脱塩前後の分析結果を示した。該コラーゲンペプチドは、親水性トリペプチドを13.2%(総トリペプチド含有率として16.2%)含有していた。
Example 2
The same commercially available collagen peptide 15 g (manufactured by Zerais Co., Ltd.) as used in Example 1 was dissolved in 100 mL of pure water, and desalted as a pretreatment. For desalting, 2 mL of strongly acidic cation exchange resin DIAION SK1B manufactured by Mitsubishi Chemical Corporation and 4 mL of strongly basic anion exchange resin DIAION SA10A were mixed, and then packed into an acrylic column and subjected to ion exchange resin. Thereafter, it was diluted with pure water to prepare a 10% collagen peptide aqueous solution. In the desalting treatment, an ion exchange resin was used. Table 3 shows the analysis results before and after desalting. The collagen peptide contained 13.2% hydrophilic tripeptide (16.2% as the total tripeptide content).
この脱塩処理を施した10%コラーゲンペプチド水溶液を合成吸着剤12mLを充填したアクリル製カラムへ流速SV1(室温)で通液し、親水性のトリペプチドGly-X-Yに富むペプチド精製物を得た。なお、合成吸着剤には、三菱化学社製のスチレン系合成吸着剤であるダイヤイオンHP20、またはセパビーズSP70を使用した。また、通液量は、HP20は3.6mL、SP70は4.8mLとした。 The desalted 10% collagen peptide aqueous solution was passed through an acrylic column packed with 12 mL of synthetic adsorbent at a flow rate of SV1 (room temperature) to obtain a purified peptide rich in hydrophilic tripeptide Gly-XY. . The synthetic adsorbent used was Diaion HP20 or Sepabead SP70, which is a styrene synthetic adsorbent manufactured by Mitsubishi Chemical Corporation. In addition, the flow rate was 3.6 mL for HP20 and 4.8 mL for SP70.
HP20またはSP70により得られたペプチド精製物を分析した結果を表4に示した。その結果、全ての系で親水性トリペプチド含有率60%以上のペプチド精製物が得られた。トリペプチドの回収率は75%以上と良好な結果が得られた。HP20においては前処理として脱塩処理を行なうことで精製度が上昇した。 Table 4 shows the results of analyzing the purified peptide obtained by HP20 or SP70. As a result, a purified peptide having a hydrophilic tripeptide content of 60% or more was obtained in all systems. Good results were obtained with a tripeptide recovery of 75% or more. In HP20, the degree of purification increased by performing desalting as a pretreatment.
実施例3
実施例1と同様の市販のコラーゲンペプチドを実施例2と同様に脱塩処理した10%コラーゲンペプチド水溶液を調製した。該コラーゲンペプチドは、親水性トリペプチドを12.4%(総トリペプチド含有率として15.9%)含有していた。
Example 3
A 10% collagen peptide aqueous solution was prepared by desalting the same commercially available collagen peptide as in Example 1 in the same manner as in Example 2. The collagen peptide contained 12.4% hydrophilic tripeptide (15.9% as the total tripeptide content).
2連結カラム(1)または2連結カラム(2)に、脱塩処理を行なった10%コラーゲンペプチド水溶液を流速SV1(室温)で通液することにより、親水性のトリペプチドGly-X-Yに富むペプチド精製物を得た。通液量は、2連結カラム(1)は4.8mL、2連結カラム(2)は6.0mLとした。 Peptide rich in hydrophilic tripeptide Gly-XY by passing desalted 10% collagen peptide aqueous solution through flow rate SV1 (room temperature) through 2-linked column (1) or 2-linked column (2) A purified product was obtained. The flow rate was 4.8 mL for the 2-linked column (1) and 6.0 mL for the 2-linked column (2).
なお、2連結カラム(1)は、合成吸着剤HP20(6mL)を充填したアクリル製カラムとSP70(6mL)を充填したアクリル製のカラムをHP20、SP70の順に接続した2連結カラムであり、2連結カラム(2)は合成吸着剤SP70(6mL)を充填したアクリル製カラムとHP20(6mL)を充填したアクリル製のカラムをSP70、HP20の順に接続した2連結カラムである。 The 2-linked column (1) is a 2-linked column in which an acrylic column filled with the synthetic adsorbent HP20 (6 mL) and an acrylic column filled with SP70 (6 mL) are connected in the order of HP20 and SP70. The connection column (2) is a 2-connection column in which an acrylic column packed with a synthetic adsorbent SP70 (6 mL) and an acrylic column packed with HP20 (6 mL) are connected in the order of SP70 and HP20.
2連結カラム(1)または2連結カラム(2)で得られたペプチド精製物を分析した結果を表5に示した。その結果、親水性トリペプチド含有率60%以上のペプチド精製物が得られた。また、トリペプチドの回収率は50%以上と良好な結果が得られた。合成吸着剤HP20及びSP70を併用することで精製度は上昇した。トリペプチド(Tp)回収率は50%程度となった。 Table 5 shows the results of analyzing the purified peptide obtained from the 2-linked column (1) or 2-linked column (2). As a result, a purified peptide having a hydrophilic tripeptide content of 60% or more was obtained. In addition, the tripeptide recovery rate was 50% or more, and good results were obtained. The combined use of synthetic adsorbents HP20 and SP70 increased the degree of purification. The recovery rate of tripeptide (Tp) was about 50%.
実施例4
実施例1と同様の市販のコラーゲンペプチドを実施例2と同様に脱塩処理した10%コラーゲンペプチド水溶液を使用した。該コラーゲンペプチドは、親水性トリペプチドを13.2%(総トリペプチド含有率として16.1%)含有していた。
Example 4
A 10% collagen peptide aqueous solution obtained by desalting the same commercially available collagen peptide as in Example 1 in the same manner as in Example 2 was used. The collagen peptide contained 13.2% hydrophilic tripeptide (16.1% as the total tripeptide content).
このコラーゲンペプチド水溶液をスチレン系の合成吸着剤SP70を12mL充填したアクリル製カラムへ流速SV1(室温)で通液し、親水性のトリペプチドGly-X-Yに富むペプチド精製物を得た。コラーゲンペプチド水溶液の通液量は(1)3.6mL、(2)6.0mL、(3)8.4mL、(4)10.8mLとした。なお、合成吸着剤1mL当たりのコラーゲンペプチドの負荷量は、それぞれ(1)30mg/mL-resin、(2)50mg/mL-resin、(3)70mg/mL-resin、(4)90mg/mL-resinとした。 This collagen peptide aqueous solution was passed through an acrylic column packed with 12 mL of a styrene synthetic adsorbent SP70 at a flow rate of SV1 (room temperature) to obtain a purified peptide product rich in hydrophilic tripeptide Gly-X-Y. The flow rate of the aqueous collagen peptide solution was (1) 3.6 mL, (2) 6.0 mL, (3) 8.4 mL, and (4) 10.8 mL. The collagen peptide loading per mL of the synthetic adsorbent was (1) 30 mg / mL-resin, (2) 50 mg / mL-resin, (3) 70 mg / mL-resin, (4) 90 mg / mL- Resin was used.
合成吸着剤SP70へコラーゲントリペプチドの負荷量を変えて得られたペプチド精製物を分析した結果を表6に示した。コラーゲンペプチドの負荷量を増減することで精製度を調整することができた。コラーゲンペプチド負荷量30mg/mL-resinの系では親水性のトリペプチド含有率が75.4%となった。また、トリペプチドの回収率は負荷量に関係なく70%程度と良好な結果が得られた。 Table 6 shows the results of analyzing a purified peptide obtained by changing the amount of collagen tripeptide loaded on the synthetic adsorbent SP70. The degree of purification could be adjusted by increasing or decreasing the amount of collagen peptide loaded. In the system with a collagen peptide loading of 30 mg / mL-resin, the hydrophilic tripeptide content was 75.4%. The tripeptide recovery rate was as good as about 70% regardless of the loading.
実施例5
市販のコラーゲンペプチド(ゼライス社製)を純水に溶解し、10%コラーゲンペプチド水溶液を調製した。また、コラーゲンペプチド水溶液のpHは、塩酸または水酸化ナトリウムを用いて(1)4.0、(2)5.0、(3)6.0、(4)7.0、(5)8.0に調整した。該コラーゲンペプチドは、親水性トリペプチドを13.2%(総トリペプチド含有率として16.2%)含有していた。
Example 5
A commercially available collagen peptide (manufactured by Zerais) was dissolved in pure water to prepare a 10% collagen peptide aqueous solution. The pH of the aqueous collagen peptide solution was adjusted to (1) 4.0, (2) 5.0, (3) 6.0, (4) 7.0, (5) 8.0 using hydrochloric acid or sodium hydroxide. The collagen peptide contained 13.2% hydrophilic tripeptide (16.2% as the total tripeptide content).
このpHの異なるコラーゲンペプチド水溶液を合成吸着剤12mLを充填したアクリル製カラムへ流速SV1(室温)で通液し、親水性のトリペプチドGly-X-Yに富むペプチド精製物を得た。合成吸着剤には、三菱化学社製のスチレン系合成吸着剤であるダイヤイオンHP20、セパビーズSP70を使用した。合成吸着剤1mL当たりのコラーゲンペプチド負荷量は、HP20は60mg/mL-resin、SP70は100mg/mL-resinとした。 This collagen peptide aqueous solution having a different pH was passed through an acrylic column packed with 12 mL of a synthetic adsorbent at a flow rate of SV1 (room temperature) to obtain a purified peptide rich in hydrophilic tripeptide Gly-X-Y. As the synthetic adsorbent, Diaion HP20 and Sepabead SP70, which are styrene synthetic adsorbents manufactured by Mitsubishi Chemical Corporation, were used. Collagen peptide loading per mL of synthetic adsorbent was 60 mg / mL-resin for HP20 and 100 mg / mL-resin for SP70.
得られたペプチド精製物を分析した結果を表7、8に示した。HP20の系ではトリペプチド(Tp)含有率はpH6.0で最も高く、pH6.0を中心に酸性側、或はアルカリ側へpHが変わることで精製度が低下する傾向が認められた。トリペプチドの回収率については、酸性側で高くなる傾向が認められた。SP70の系では、Tp含有率はpH5.0及びpH6.0で最も高く、それより酸性側或はアルカリ側へpHが変わることで精製度が低下する傾向が認められた。トリペプチドの回収率については、pH7.0が最も高い値を示した。 Tables 7 and 8 show the results of analyzing the obtained purified peptides. In the HP20 system, the tripeptide (Tp) content was highest at pH 6.0, and a tendency for the degree of purification to decrease was observed as the pH changed from the pH 6.0 to the acid side or the alkali side. About the recovery rate of the tripeptide, the tendency which becomes high on the acidic side was recognized. In the SP70 system, the Tp content was highest at pH 5.0 and pH 6.0, and a tendency for the degree of purification to decrease as pH changed from acidic to alkaline was observed. As for the recovery rate of the tripeptide, pH 7.0 showed the highest value.
実施例6
活性炭5gを純水40mLに懸濁させた活性炭懸濁液に、市販のコラーゲンペプチド(ゼライス社製)を(1)1.0g、(2)2.0g、(3)4.0g、(4)8.0g添加/溶解し、室温で2時間静かに振とう(吸着処理)した。その後、ろ過により活性炭を除去し、親水性のトリペプチドGly-X-Yに富むペプチド精製物を得た。該コラーゲンペプチドは親水性トリペプチドを13.0%(総トリペプチド含有率として16.0%)含有している。なお、活性炭1g当たりのコラーゲンペプチドの負荷量は(1)200mg/mL-carbon、(2)400mg/mL-carbon、(3)800mg/mL-carbon、(4)1600mg/mL-carbonである。活性炭は日本エンバイロケミカルズ社製の粒状白鷺KL、DC32、カルボラフィン、和光純薬の活性炭素粉末を使用した。
Example 6
To the activated carbon suspension obtained by suspending 5 g of activated carbon in 40 mL of pure water, (1) 1.0 g, (2) 2.0 g, (3) 4.0 g, (4) 8.0 g Added / dissolved, and gently shaken (adsorption treatment) at room temperature for 2 hours. Thereafter, the activated carbon was removed by filtration to obtain a purified peptide rich in hydrophilic tripeptide Gly-XY. The collagen peptide contains 13.0% hydrophilic tripeptide (16.0% as the total tripeptide content). The collagen peptide loading per gram of activated carbon is (1) 200 mg / mL-carbon, (2) 400 mg / mL-carbon, (3) 800 mg / mL-carbon, and (4) 1600 mg / mL-carbon. The activated carbon used was activated carbon powder of granular white lees KL, DC32, carborafine and Wako Pure Chemicals manufactured by Nippon Enviro Chemicals.
各種活性炭による吸着処理にて得られたペプチド精製物を分析した結果を表9に示した。コラーゲンペプチドの負荷量を増減させることで親水性のトリペプチド含有率を22〜96%に調整することができた。トリペプチドの回収率は活性炭の種類により大きく異なるが「カルボラフィン」或は「活性炭素粉末」において70%以上と良好な結果が得られた。 Table 9 shows the results of analyzing the purified peptide obtained by adsorption treatment with various activated carbons. It was possible to adjust the hydrophilic tripeptide content to 22 to 96% by increasing or decreasing the amount of collagen peptide loaded. Although the recovery rate of the tripeptide varied greatly depending on the type of activated carbon, good results were obtained with “Carborafine” or “activated carbon powder” of over 70%.
実施例7
市販のコラーゲンペプチド300g(ゼライス社製)を純水600mLに溶解し、25%コラーゲンペプチド水溶液を調製した。該コラーゲンペプチドは、親水性トリペプチドを20.3%(総トリペプチド含有率として28.8%)含有している。
Example 7
300 g of a commercially available collagen peptide (manufactured by Zerais) was dissolved in 600 mL of pure water to prepare a 25% collagen peptide aqueous solution. The collagen peptide contains 20.3% of a hydrophilic tripeptide (28.8% as the total tripeptide content).
このコラーゲンペプチド水溶液を、ODS樹脂785mLを充填したステンレス製耐圧カラム(100mm×100mm I.D.)へ流速100mL/minで通液し、親水性のトリペプチドGly-X-Yに富むペプチド精製物を得た。ODS樹脂には、ワイエムシィ社製のYMC-Pack ODS-AQを使用した。 This collagen peptide aqueous solution was passed through a stainless steel pressure resistant column (100 mm × 100 mm I.D.) packed with 785 mL of ODS resin at a flow rate of 100 mL / min to obtain a purified peptide rich in hydrophilic tripeptide Gly-X-Y. As the ODS resin, YMC-Pack ODS-AQ manufactured by YMC was used.
ODS樹脂により得られたペプチド精製物を分析した結果、親水性トリペプチド含有率46.0%(総トリペプチド含有率として51.7%)のペプチド精製物が得られた。また、この溶液を凍結乾燥し、83.5gの凍結乾燥粉末を得た。 As a result of analyzing the purified peptide obtained with the ODS resin, a purified peptide having a hydrophilic tripeptide content of 46.0% (total tripeptide content of 51.7%) was obtained. This solution was freeze-dried to obtain 83.5 g of freeze-dried powder.
ODS樹脂により得られた粉末状のペプチド精製物を、更にODS樹脂で処理することにより、親水性トリペプチド含有率57.6%(総トリペプチド含有率として88.6%)のペプチド精製物が得られた。また、この溶液を凍結乾燥し、35.8g凍結乾燥粉末を得た。 The purified peptide product obtained with the ODS resin was further treated with the ODS resin to obtain a purified peptide product with a hydrophilic tripeptide content of 57.6% (total tripeptide content of 88.6%). This solution was freeze-dried to obtain 35.8 g of freeze-dried powder.
実施例8
市販のコラーゲンペプチド600g(ゼライス社製)を純水3.4Lに溶解し、10%コラーゲンペプチド水溶液を調製した。その後、実施例2と同様にイオン交換樹脂を用いて脱塩処理を行なった。表10に脱塩前後の分析結果を示した。該コラーゲンペプチドは、親水性トリペプチドを13.4%(総トリペプチド含有率として16.4%)含有していた。
Example 8
600 g of commercially available collagen peptide (manufactured by Zerais) was dissolved in 3.4 L of pure water to prepare a 10% collagen peptide aqueous solution. Thereafter, desalting treatment was performed using an ion exchange resin in the same manner as in Example 2. Table 10 shows the analysis results before and after desalting. The collagen peptide contained 13.4% hydrophilic tripeptide (16.4% as the total tripeptide content).
このコラーゲンペプチド水溶液を、合成吸着剤12Lを充填したアクリル製カラムへ流速SV1(室温)で通液し、親水性のトリペプチドGly-X-Yに富むペプチド精製物を得た。得られたペプチド精製物の分析結果を表11に示した。なお、吸着剤は、三菱化学社製の合成吸着剤ダイヤイオンHP20を使用した。 This collagen peptide aqueous solution was passed through an acrylic column packed with a synthetic adsorbent 12L at a flow rate of SV1 (room temperature) to obtain a purified peptide rich in hydrophilic tripeptide Gly-X-Y. The analysis results of the obtained peptide purified product are shown in Table 11. The adsorbent used was a synthetic adsorbent Diaion HP20 manufactured by Mitsubishi Chemical Corporation.
合成吸着剤による吸着処理にて得られたペプチド精製液を噴霧乾燥し、約86gの粉末状ペプチド精製物を得た。本実験においては大河原化工機(株)社製のスプレードライヤー(L-8型)を使用して以下の条件で乾燥を行った。表12に乾燥条件を示した。 The peptide purified solution obtained by the adsorption treatment with the synthetic adsorbent was spray-dried to obtain about 86 g of a purified peptide peptide. In this experiment, drying was performed under the following conditions using a spray dryer (L-8 type) manufactured by Okawara Kako Co., Ltd. Table 12 shows the drying conditions.
この粉末状のペプチド精製物約86gを純水774mLに溶解し、10%ペプチド精製液を調製した。このペプチド精製液を最終0.2μmのメンブランフィルターを用いて滅菌ろ過を実施した後に限外ろ過を行なった。限外ろ過は、分画分子量1,000〔Prep Scale Ultracel Seriesスパイラルカートリッジ(日本ミリポア(株)〕の膜を備えたMILLIPORE社のPro Flux30を用いて行なった。その後、ろ液を凍結乾燥し、約65gの凍結乾燥粉末を得た。
About 86 g of the purified peptide product in powder form was dissolved in 774 mL of pure water to prepare a 10% peptide purified solution. The peptide purified solution was subjected to sterilization filtration using a final 0.2 μm membrane filter, and then ultrafiltration was performed. The ultrafiltration was performed using
本実施例で使用したコラーゲンペプチド(原料)のゲルろ過クロマトグラムを図1に示し、逆相クロマトグラフムを図3に示す。また、上記で得られたペプチド精製物(凍結乾燥粉末)のゲルろ過クロマトグラフムを図2に示し、逆相クロマトグラフムを図4に示す。 A gel filtration chromatogram of the collagen peptide (raw material) used in this example is shown in FIG. 1, and a reverse phase chromatogram is shown in FIG. Further, a gel filtration chromatogram of the purified peptide (lyophilized powder) obtained above is shown in FIG. 2, and a reverse phase chromatogram is shown in FIG.
ゲルろ過クロマトグラフィー分析条件
column : Superdex Peptide(10mm×300mm)
Eluent : 100mM Tris/HCl(pH7.4)
Flow rate : 1mL/min
Detection : UV at 214nm
Gel filtration chromatography analysis conditions
column: Superdex Peptide (10mm x 300mm)
Eluent: 100 mM Tris / HCl (pH 7.4)
Flow rate: 1mL / min
Detection: UV at 214nm
逆相クロマトグラフィー分析条件
column : TSKgel ODS-80Ts(4.6mm×150mm)
Eluent : A)H2O/TFA(100/0.1)、B)CH3CN/H2O/TFA(50/50/0.1)
Temp : 40℃
Flow rate : 1mL/min
Detection : UV at 214nm
Reversed phase chromatography analysis conditions
column: TSKgel ODS-80Ts (4.6mm x 150mm)
Eluent: A) H 2 O / TFA (100 / 0.1), B) CH 3 CN / H 2 O / TFA (50/50 / 0.1)
Temp: 40 ℃
Flow rate: 1mL / min
Detection: UV at 214nm
得られた凍結乾燥ペプチド精製物について日本薬局方 一般試験法 7.エンドトキシン試験法(ゲル化法)に従い測定を行った。その結果、エンドトキシンは陰性であった。表13に結果を示した。また、表14に限外ろ過前後のゲルろ過分析による分子量分布測定の結果を示した。 The obtained freeze-dried peptide purified product was measured according to the Japanese Pharmacopoeia General Test Method 7. Endotoxin Test Method (gelation method). As a result, endotoxin was negative. Table 13 shows the results. Table 14 shows the results of molecular weight distribution measurement by gel filtration analysis before and after ultrafiltration.
ペプチド精製物の凍結乾燥品の組成及び特性、なお、表15〜16に最終製品の品質を示した。図1、2にゲルろ過クロマトグラフィーによるコラーゲンペプチド(原料)と凍結乾燥ペプチド精製物のクロマトグラムを示した。また、図3、4に逆相クロマトグラフィーによるコラーゲンペプチド(原料)と凍結乾燥ペプチド精製物のクロマトグラムを示した。 The composition and characteristics of the lyophilized peptide purified product, and the quality of the final product are shown in Tables 15-16. 1 and 2 show chromatograms of collagen peptide (raw material) and purified lyophilized peptide by gel filtration chromatography. 3 and 4 show chromatograms of collagen peptide (raw material) and purified lyophilized peptide by reverse phase chromatography.
配合例
以下、ペプチド精製組成物を配合した医薬品、再生医療用材料、医薬部外品、化粧品を示すが、これら配合例は本発明の範囲を何ら制限するものではない。また本発明に係るペプチド精製組成物を医薬品、再生医療用材料、医薬部外品、化粧品に配合する方法は既に公知になっている操作方法に準じて実施することができる。
Formulation Examples Hereinafter, pharmaceuticals, regenerative medical materials, quasi-drugs, and cosmetics formulated with the peptide purification composition are shown, but these formulation examples do not limit the scope of the present invention. In addition, the method for blending the purified peptide composition according to the present invention into pharmaceuticals, regenerative medical materials, quasi-drugs, and cosmetics can be carried out in accordance with already known operation methods.
配合例1
[腹膜透析液]
次の組成で腹膜透析液を調製した。
ナトリウムイオン 140.0mEq/L
カルシウムイオン 4.5mEq/L
マグネシウムイオン 1.5mEq/L
塩素イオン 101.0mEq/L
乳酸 45.0mEq/L
グルコース 8g/L
実施例8の凍結乾燥精製物 25g/L
注射用水 適量
全量 1L
Formulation Example 1
[Peritoneal dialysate]
A peritoneal dialysis solution was prepared with the following composition.
Sodium ion 140.0mEq / L
Calcium ion 4.5mEq / L
Magnesium ion 1.5mEq / L
Chlorine ion 101.0mEq / L
Lactic acid 45.0mEq / L
Glucose 8g / L
Lyophilized purified product of Example 8 25 g / L
Water for injection
Total volume 1L
本腹膜透析液は高い除水効果があるため、透析液の交換回数、透析時間を減ずることができ、患者に与える負担を小さくすることができる。 Since this peritoneal dialysis fluid has a high water removal effect, the number of dialysis fluid exchanges and the dialysis time can be reduced, and the burden on the patient can be reduced.
配合例2
[輸液製剤]
次の組成で輸液製剤を調製した。
塩化ナトリウム 8.6g/L
塩化カリウム 0.3g/L
塩化カルシウム 0.33g/L
グルコース 8g/L
実施例8の凍結乾燥精製物 25g/L
注射用水 適量
全量 1L
Formulation Example 2
[Infusion formulation]
An infusion preparation was prepared with the following composition.
Sodium chloride 8.6g / L
Potassium chloride 0.3g / L
Calcium chloride 0.33g / L
Glucose 8g / L
Lyophilized purified product of Example 8 25 g / L
Water for injection
Total volume 1L
本輸液製剤は循環血液量及び組織間液の減少時に投与されることによって、循環血液量を回復する効果がある。 This infusion preparation has the effect of restoring the circulating blood volume by being administered when the circulating blood volume and interstitial fluid are decreased.
配合例3
[化粧水]
次の組成で保湿化粧水を調製した。
実施例8の凍結乾燥精製物 0.5%
グリチルリチン酸ジカリウム 0.1%
ヒアルロン酸ナトリウム 0.05%
1,3-ブチレングリコール 5.0%
グリセリン 1.0%
防腐剤 適量
精製水 残余
Formulation Example 3
[Lotion]
A moisturizing lotion was prepared with the following composition.
Lyophilized purified product of Example 8 0.5%
Dipotassium glycyrrhizinate 0.1%
Sodium hyaluronate 0.05%
1,3-butylene glycol 5.0%
Glycerin 1.0%
Preservative Appropriate amount Purified water Residual
本化粧水はコラーゲン産生促進作用、ヒアルロン酸産生促進作用を有するので、肌のハリや弾力を保つ効果がある。 Since this skin lotion has a collagen production promoting action and a hyaluronic acid production promoting action, it has the effect of keeping the skin firm and elastic.
配合例4
[変形性関節症用製剤あるいは慢性関節リュウマチ用製剤]
次の組成で変形性関節症用製剤、或は慢性関節リュウマチ用製剤を調製した。
ヒアルロン酸ナトリウム 10.0g/L
実施例8の凍結乾燥精製物 1.2g/L
注射用水 適量
全量 1L
Formulation Example 4
[Formulation for osteoarthritis or formulation for rheumatoid arthritis]
A formulation for osteoarthritis or a formulation for rheumatoid arthritis was prepared with the following composition.
Sodium hyaluronate 10.0g / L
Lyophilized purified product of Example 8 1.2 g / L
Water for injection
Total volume 1L
本製剤は、変形性関節症用製剤あるいは慢性関節リュウマチにおける関節痛を軽減し、且つ、コラーゲン産生促進作用、ヒアルロン酸産生促進作用を有するので関節症における軟骨破壊を軽減する効果がある。 This preparation has the effect of reducing arthralgia in osteoarthritis preparation or rheumatoid arthritis and also has an effect of reducing cartilage destruction in arthropathy because it has a collagen production promoting action and a hyaluronic acid production promoting action.
本発明の方法で得られるプチド精製物は、機能性の高い健康食品、機能性食品、医薬品、医薬部外品または化粧品原料として利用することができ、食品及び医療の分野に有用である。 The purified peptide obtained by the method of the present invention can be used as a highly functional health food, functional food, pharmaceutical, quasi drug or cosmetic raw material, and is useful in the fields of food and medicine.
Claims (16)
前記ペプチド混合物に含有される少なくとも一部の疎水性ペプチドを非極性吸着剤に吸着させ、
前記非極性吸着剤に吸着しなかった親水性トリペプチドGly-X-Yを回収することを含み、
前記非極性吸着剤への接触は、非極性吸着剤を充填したカラムに上記ペプチド混合物を含む水溶液を流通することで行い、カラムからの流出水溶液を回収することで親水性トリペプチドGly-X-Yの回収を行うか、または
前記非極性吸着剤への接触は、非極性吸着剤と上記ペプチド混合物を含む水溶液を容器中で混合し、必要により一定時間放置することで行い、非極性吸着剤から水溶液を分離することで親水性トリペプチドGly-X-Yの回収を行う、
親水性トリペプチドGly-X-Yの含有率が前記ペプチド混合物より高められたペプチド精製物の製造方法。 Hydrophilic tripeptide Gly-XY (Gly-XY is Gly-Ser-Hyp, Gly-Lys-Asp, Gly-Ala-Ala, Gly-Pro-Hyl, Gly-Leu-Hyp, Gly-Ala-Arg, Gly -Ala-Ser, Gly-Ala-Hyp, Gly-Gln-Glu, Gly-Glu-Gln, Gly-Pro-Ser, Gly-Pro-Lys, Gly-Pro-Ala, Gly-Pro-Pro, Gly-Pro An aqueous solution comprising a peptide mixture containing a hydrophobic peptide and at least one selected from the group consisting of -Arg and Gly-Pro-Hyp) and a non-polar adsorbent,
Adsorbing at least a portion of the hydrophobic peptide contained in the peptide mixture to a nonpolar adsorbent;
Look including recovering the unadsorbed non-polar adsorbent hydrophilic tripeptide Gly-XY,
The contact with the nonpolar adsorbent is carried out by circulating an aqueous solution containing the peptide mixture through a column filled with the nonpolar adsorbent, and the aqueous solution of the hydrophilic tripeptide Gly-XY is recovered by collecting the aqueous solution flowing out from the column. Do recovery or
The contact with the non-polar adsorbent is performed by mixing an aqueous solution containing the non-polar adsorbent and the peptide mixture in a container and leaving it for a certain period of time if necessary. Recovery of the sex tripeptide Gly-XY,
A method for producing a purified peptide in which the content of the hydrophilic tripeptide Gly-XY is higher than that of the peptide mixture.
請求項6または7に記載の製造方法。 8. The production method according to claim 6, wherein the activated carbon has a pore radius of 10 to 100 mm and a surface area of 1000 m 2 / g or more.
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