JP5006877B2 - 藍藻類の精製成分および使用方法 - Google Patents
藍藻類の精製成分および使用方法 Download PDFInfo
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- JP5006877B2 JP5006877B2 JP2008518494A JP2008518494A JP5006877B2 JP 5006877 B2 JP5006877 B2 JP 5006877B2 JP 2008518494 A JP2008518494 A JP 2008518494A JP 2008518494 A JP2008518494 A JP 2008518494A JP 5006877 B2 JP5006877 B2 JP 5006877B2
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- selectin
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Description
本出願は、藍藻類(blue-green algae)からの水性抽出物、例えば、セレクチンリガンドを含む藻類の水性抽出物に関する。
本出願は、2005年6月24日出願の米国特許仮出願第60/693,808号および2005年7月19日出願の米国特許仮出願第60/700,882号の恩典を主張する。仮出願の両方が、参照により本明細書に組み入れられる。
幹細胞は、さらに特定化された細胞に分化することができる体細胞組織由来の多能性細胞である。例えば、造血幹細胞は、赤色血液細胞、血小板および白血球を含む多くの異なるタイプの血液細胞に分化することができる。
セレクチンリガンドを含有する藍藻類の水性抽出物を得るための例示的な手順を開示する。この手順では、セレクチン、例えばL-セレクチン、P-セレクチンおよび/またはE-セレクチンに共有結合している固体支持体を使用してセレクチンリガンドを藍藻類から単離する。セレクチンリガンドは、L-セレクチン、P-セレクチンおよび/またはE-セレクチンに特異的に結合することができる。
I.略語
AFA:アファニゾメノン・フロス・アクア
Ctrl:対照
LSL:L-セレクチンリガンド
mg:ミリグラム
ml:ミリリットル
MGT:migratose
SE:LSLおよびMGTを含むstem enhance配合剤
g:グラム
kg:キログラム
別様に述べていなければ、専門用語は、従来の語法に従って用いられる。分子生物学における一般用語の定義は、Benjamin Lewin, Genes V, published by Oxford University Press, 1994 (ISBN 0-19-854287-9); Kendrew et al. (eds.), The Encyclopedia of Molecular Biology, published by Blackwell Science Ltd., 1994 (ISBN 0-632-02182-9);および Robert A. Meyers (ed.), Molecular Biology and Biotechnology: a Comprehensive Desk Reference, published by VCH Publishers, Inc., 1995 (ISBN 1-56081-569-8) において見出すことができる。
L-セレクチンリガンドなどのセレクチンリガンドが富化されているアファニゾメノン・フロス・アクア(AFA)などの藍藻類の水性抽出物を、本明細書において開示する。1つの態様において、抽出物は、L-セレクチンリガンドなどのセレクチンリガンドが富化されている「Extract A」(水または食塩水に迅速に溶解する極性化合物を含む水性抽出物)である。もう1つの態様において、この抽出物は、公知の工程を用いて乾燥させ、水溶液に再び懸濁させる。
L-セレクチンなどのセレクチンリガンドが富化されているアファニゾメノン・フロス・アクア(AFA)などの藍藻類の水性抽出物の治療有効量、および/または精製セレクチンリガンドの治療有効量を被験者に投与することにより幹細胞動員を増強する方法を本明細書において記載する。セレクチンリガンドは、L-セレクチン、P-セレクチンおよび/またはE-セレクチンリガンドであり得る。セレクチンリガンドは、幹細胞放出を刺激する(Frenette and Weiss, Blood 196(7): 2460, 2000)。被験者は、任意の被験者、例えば、ヒト被験者または動物被験体であり得る。
以下の実施例は、記載する様々な態様の特定の特徴を例証するために提供する。例示する特徴に本発明の範囲を限定すべきでない。
AFAの製造および抽出
藍藻類、アファニゾメノン・フロス・アクア(AFA)をKlamath Lakeから単離した。REFRACTANCE WINDOW(商標)Technologyを用いてその藍藻類を乾燥させた。
AFA-Wから抽出したセレクチンリガンド:材料および方法
緩衝液および培地:細胞培養のために、10%ウシ胎仔血清、1%ペニシリンおよびストレプトマイシンならびにL-グルタミンを有するPRMI-1640に細胞を再び懸濁させ、培養した。免疫染色するために、細胞を洗浄し、0.02%アジ化物および1%ウシ胎仔血清またはウシ血清アルブミンを含有するリン酸緩衝食塩水に再び懸濁させ、染色した。増殖アッセイのために、およびホスホチロシンブロッティングアッセイのための刺激のために、フェノールレッド、10%ウシ胎仔血清(ニューヨーク州、Grand IslandのGibco)、1%グルタミン、1%ペニシリンおよび1%ストレプトマイシンを有するRPMI 1640中の細胞を用意した。
幹細胞はAFAからの水性抽出物により動員される
下で説明するこの実験は、AFAの水性抽出物(Extract A、「AFA-W」とも名づける)が、セレクチンリガンドが富化されていることおよびCD34+幹細胞の動員を増強するために使用することができることを実証するものである。
AFAの水性抽出物はセレクチンリガンドを含有する
下で説明する実験は、AFAが、ヒトリンパ球、単球および好中球上のL-セレクチンのTQ1免疫染色を特異的に減少させる水溶性化合物を含有することを詳細に記録する。
AFAセレクチンリガンドは、KG-1a CD34bright細胞系においてフコイダンにより誘発されるケモカイン受容体の発現を遮断する
原始細胞系KG-1aは、TQ1モノクローナル抗体での染色により評価すると、CD34およびL-セレクチンに明白に陽性である。KG-1aは、L-セレクチンリガンドにより表出化されるCXCR4ケモカイン受容体の細胞内レザバーも含有する。フコイダン、L-セレクチン作動薬、とのKG-1aのインキュベーションは、ケモカイン受容体CXCR4の発現を誘発する。AFA Extract Aは、CXCR4発現に対するこのフコイダン媒介作用を遮断した(図3)。
AFAからのL-セレクチンリガンドの精製
セレクチンリガンドは、ヒト組換L-セレクチンまたはP-セレクチンの細胞外部分が免疫グロブリンのFc部分にカップリングされている遺伝子操作された融合タンパク質に共有結合している磁気ビーズを使用して、AFAから単離した。ビーズをAFAの水溶性画分と共にインキュベートし、セレクチンリガンドを単離する(図4A:L-セレクチン、図4B:P-セレクチン参照)。磁気を用いてそれらのビーズを回収し、何度も洗浄した。その後、それらのビーズを酸処理に付すか、煮沸するか、アルカリ処理して、リガンドと組換セレクチンとの結合を破壊した。また、アフィニティーカラムを使用してセレクチンリガンドを単離した。
AFAから抽出されたセレクチンリガンドはExtract Bでは見出されない
Extract Bは、先ず、化合物をエタノールに抽出し、その後、極性緩衝液(水、食塩水)に戻すことによる幾つかの段階で製造した。この第一段階は、最初に3時間の間、50℃で、20%エタノールを含有する水溶液を用いて乾燥AFAから黄色/褐色粉末を生成させる段階であった。上清をデカントし、最終的に80%濃度までエタノールを添加することにより固体を沈殿させた。REFRACTANCE WINDOW(商標)乾燥技術を用いて、その沈殿物を乾燥させた。この黄色の粉末を水溶液(水または食塩水)に戻すと、橙色の抽出物が生成された。固体を遠心分離により除去し、上清を滅菌濾過した。この液体が、Extract Bである。上で説明したコーティングされた磁気ビーズと共に、この抽出物をインキュベートした。Extract Bは、セレクチンリガンドを含有しなかった(図5)。
藍藻類からのセレクチンリガンドは、CXCR4発現を修飾する
幹細胞は、少なくとも一部は、セレクチン付着分子により骨髄環境内で維持される。セレクチンが、適切なリガンドにより束縛されると、それが、サイトカイン受容体CXCR4の発現を誘発する。CXCR4は、間質由来因子1(SDF-1)の特異的受容体であり、SDF-1のCXCR4への結合は、骨髄に結合した幹細胞の維持を助長する。セレクチンリガンド結合の阻害は、CXCR4の発現を減少させ、これは、骨髄からの幹細胞の解離および血流へのそれらの放出をもたらす。
骨髄からの幹細胞は、多数の遠隔組織に定住する
マウスモデルを用いて、藍藻類の消費により動員された幹細胞が身体の遠隔組織に定住する能力を評価することができる。雄マウスを骨髄ドナー動物として選択し、一方ですべてのレシピエントマウスは雌である。雌レシピエントには、それらの尾静脈への雄骨髄細胞の注射前に、致死量以下の放射線を照射した。マウスの2つの群を評価した。動物数20の第一群には、致死量以下の放射線を照射し、骨髄を注射し、標準飼料を食べさせた。動物数20の第二群にも致死量以下の放射線を照射し、骨髄を投与し、そして標準飼料と共に0.5から15重量%w/vのセレクチンリガンド含有AFA画分を食べさせた。
骨髄からの幹細胞は多数の遠隔組織に定住する
緑色蛍光タンパク質(GFP)についての遺伝子を保有するトランスジェニック雄マウスおよびレシピエントとして同質遺伝子型雌マウスを使用して、上で説明したものと同様の試験を行う。上で説明したようにこれらの動物を治療し、食餌を与え、屠殺し、血液サンプルも同様に分析する。
外傷組織の幹細胞集団増加
マウスモデルを用いて、骨髄由来幹細胞の外傷組織へのホーミングおよび組み込みを評価する。
組織修復についての症例報告
被験者は、3年前に自動車事故に遭ったボディービルダーであった。運転者側に乗車していた彼女の車に1台の車が衝突し、股関節および大腿の幾つかの筋肉が断裂した。彼女は、その幾つかの筋肉を再び付着させるために一連の外科手術を受けた。手術の成功にもかかわらず、筋肉損傷は非常に重度であったため、彼女には恒常的な疼痛が残り、重量挙げのトレーニングを再開することができず、例えば、精神トレーニングセッションでさえ、数日間、歩行を妨げる膨張および疼痛が追従することとなった。
組織修復についての症例報告
55歳の老人被験者は、第六股関節置換術、左側の四番目、のために通っていた。一般に、予後は非常に不良であり、極度の困難を伴っていた。
症例報告
ある若い未婚女性は、3歳のとき、小児筋ジストロフィーと診断された。彼女は歩くことができなかった。彼女は、非常に虚弱であり、しばしば肺炎を経験し、各回、結果的に8〜10日間、床につくことになった。彼女は、6ヶ月間、筋ジストロフィーのための従来の治療を続けたが、結果的に何も変わらなかった。彼女は、スピルリナの消費を開始し、これは、ある程度、彼女の免疫機能を改善し、例えば、彼女が経験する肺炎の頻度および重症度が低くなった。その後、彼女は、セレクチンリガンドを含有する藍藻類画分(Extract A)の消費を開始した。2週間後、彼女は、第一歩を踏み出した。3ヶ月後、彼女は、歩いていた。彼女は、もはや肺炎ではなかった。
ヒト試験
循環幹細胞数に対する様々なAFA抽出物の効果に関して、ヒト被験者での三重盲検、無作為化、プラシーボ対照試験を行った。以下の方法をこれらの試験において用いた。
消費物:4つの消費物をテストした。2つは液体であり、2つはカプセル封入されていた。ボランティアも、この物質を投与する人も、データ分析を行うスタッフも、どの物質が所与の試験日に投与されるかを知らなかった。
・20歳未満または65歳を越える年齢
・妊娠
・毎日の投薬が必要な重度の喘息およびアレルギー
・なんらかの判っている慢性疾患または以前の/現在の性病
・頻繁な娯楽的薬物使用
・消化機能障害(以前の大きな胃腸手術を含む)。
・睡眠不足
・到着の2時間以内の刺激物
・ストレス。
SEおよびLSLの消費は、循環CD34+細胞数の増加をもたらし(図9参照)、一方、MGTは、循環CD34+細胞数の減少をもたらす。プラシーボの消費後、統計学的に有意でない小さな変化があった。SEとLSLの両方に関して、多数のボランティアが、CD34+細胞数の初期の一時的減少の傾向を示した。この観察は、LSLについてのほうが大きかったが、有意には達しなかった。消費後60分の時点で、SE(p<0.003)およびLSL(p<0.02)は、CD34+細胞数の有意な増加を誘発した。しかし、MGTは、有意な減少を誘発した(p<0.03)。
Claims (30)
150〜500ミリグラムのアファニゾメノン・フロス・アクアのエタノール抽出物の乾燥形を含む、
薬学的組成物。
150mgのアファニゾメノン・フロス・アクアの乾燥したエタノール抽出物を含む、請求項3記載の薬学的組成物。
水性抽出物から固体材料を除去する工程;
水性抽出物を乾燥させて、L-セレクチンリガンドを含む固体組成物を製造する工程;
50℃から60℃で1時間、10%から20%エタノール中でアファニゾメノン・フロス・アクアをインキュベートして、エタノール抽出物を製造する工程;
エタノール抽出物から固体材料を除去する工程;
エタノール抽出物からの固体材料を乾燥させて、固体形のエタノール抽出物を製造する工程;および
L-セレクチンリガンドを含む前記固体組成物の治療有効量と前記固体形のエタノール抽出物の治療有効量とを混合する工程
によって製造される、混合物。
粒子状物質を分離し、得られた上清を単離する工程;
固体支持体に結合するL-セレクチンと上清を接触させる工程;および
L-セレクチンに特異的に結合したリガンドを放出させ、それによってセレクチンリガンドを単離する工程
を含む、アファニゾメノン・フロス・アクアの水または緩衝食塩水抽出物からのL-セレクチンリガンドの単離方法。
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PCT/US2006/024769 WO2007002570A1 (en) | 2005-06-24 | 2006-06-23 | Purified component of blue-green algae and method of use |
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US8685845B2 (en) | 2010-08-20 | 2014-04-01 | International Business Machines Corporation | Epitaxial growth of silicon doped with carbon and phosphorus using hydrogen carrier gas |
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EP2032122B1 (en) | 2006-06-27 | 2016-04-13 | Nutratec S.r.l. | Extracts of aphanizomenon flos aquae (afa klamath), active compounds, and their uses |
AU2007264042B2 (en) * | 2006-06-27 | 2012-01-12 | Nutratec S.R.L. | Alphanizomenon Flos Aquae preparation, extracts and purified components thereof for the treatment of neurological, neurodegenerative and mood disorders |
US20080124318A1 (en) * | 2006-11-28 | 2008-05-29 | Jerold Lisson | Algae supplement and treatment method |
KR20100062140A (ko) * | 2008-12-01 | 2010-06-10 | 부경대학교 산학협력단 | 푸코이단을 함유하는 골 형성 촉진 및 활성용 약학 조성물 |
US8563307B2 (en) | 2009-02-24 | 2013-10-22 | James Wang | Treatment of immunosuppression-related disorders |
WO2010115149A1 (en) * | 2009-04-03 | 2010-10-07 | Desert Lake Technologies, Llc | Compositions and methods for reducing inflammation |
IT1394412B1 (it) * | 2009-06-05 | 2012-06-15 | Eni Spa | Procedimento per l'essiccazione di biomassa algale |
EP2568992A4 (en) * | 2010-05-11 | 2013-11-06 | Benzion Geshuri | PHARMACEUTICAL COMPOSITION COMPRISING AN ALGUE APPROPRIATE FOR INCREASING THE EFFICACY OF AN ENZYMATIC INHIBITOR |
MY170013A (en) * | 2010-06-28 | 2019-06-20 | Stemtech Int Inc | Methods and compositions for enhancing stem cell mobilization |
US8679474B2 (en) | 2010-08-04 | 2014-03-25 | StemBios Technologies, Inc. | Somatic stem cells |
TWI614340B (zh) | 2011-09-28 | 2018-02-11 | 幹細胞生物科技股份有限公司 | 體幹細胞及其製備方法 |
KR20140091674A (ko) | 2011-11-18 | 2014-07-22 | 스템테크 인터내셔널, 인크. | 줄기 세포의 동원 및 증진을 강화하는 foti의 용도 |
KR20150029654A (ko) * | 2012-07-11 | 2015-03-18 | 스템테크 인터내셔널, 인크. | 할구-유사 줄기 세포의 동원과 증식을 증강하기 위한 조성물과 방법 |
TWI687519B (zh) | 2012-12-06 | 2020-03-11 | 美商幹細胞生物科技股份有限公司 | Lgr5+體幹細胞 |
EP2746770A1 (en) * | 2012-12-21 | 2014-06-25 | Stembios Technologies, Inc. | Method for evaluating effect of action on subject based on stem celldynamics |
US20150141901A1 (en) * | 2013-11-08 | 2015-05-21 | Alan S. Lichtbroun | Low-level laser irradiation of stimulated human stem cells |
SI3076983T1 (sl) * | 2013-12-03 | 2019-12-31 | Gerolymatos International S.A. | Ionske vodne sestave |
CN107312063A (zh) * | 2017-06-22 | 2017-11-03 | 乐清瑞耀食品技术有限公司 | 钝顶螺旋藻活性蛋白的制备方法 |
FR3087338B1 (fr) * | 2018-10-22 | 2020-10-09 | Amadeite | Extrait d'algues pour son utilisation pour le traitement ou la prevention de l'immunosuppression post-traumatique |
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JPS5663911A (en) | 1979-10-29 | 1981-05-30 | Dainippon Ink & Chem Inc | Cosmetic containing hard-soluble phycocyanin |
US6309639B1 (en) * | 1991-02-05 | 2001-10-30 | The Board Of Regents Of The University Of Oklahoma | Method for inhibiting an inflammatory response using antibodies to P-selectin glycoprotein ligand |
ES2343023T3 (es) * | 2000-03-27 | 2010-07-21 | Genetics Institute, Llc | Procedimientos para purificar proteinas altamente anionicas. |
CA2412600C (en) | 2000-07-10 | 2011-09-27 | The University Of Mississippi | Potent immunostimulatory polysaccharides extracted from microalgae |
JP2002069443A (ja) * | 2000-08-30 | 2002-03-08 | Microalgae Corporation | 抗酸化剤及び該抗酸化剤を含有する化粧料 |
JP4198990B2 (ja) * | 2000-10-18 | 2008-12-17 | ザ ブリガム アンド ウィメンズ ホスピタル インコーポレイテッド | 造血細胞のe−セレクチン/l−セレクチンリガンドポリペプチドおよびその使用法 |
US6814961B1 (en) * | 2001-05-14 | 2004-11-09 | Gitte S. Jensen | Method for enhancing stem cell trafficking |
FR2850277B1 (fr) * | 2003-01-24 | 2005-04-08 | Lanatech | Composition comprenant un extrait d'aphanizomenon flos-aquae, son utilisation et sa preparation |
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US8685845B2 (en) | 2010-08-20 | 2014-04-01 | International Business Machines Corporation | Epitaxial growth of silicon doped with carbon and phosphorus using hydrogen carrier gas |
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IL188192A (en) | 2014-04-30 |
AU2006261852B2 (en) | 2012-07-19 |
AU2006261852A1 (en) | 2007-01-04 |
BRPI0612672B1 (pt) | 2018-12-11 |
JP2008546808A (ja) | 2008-12-25 |
ES2546332T3 (es) | 2015-09-22 |
KR101489728B1 (ko) | 2015-02-04 |
US20100092507A1 (en) | 2010-04-15 |
RU2417093C2 (ru) | 2011-04-27 |
US7947284B2 (en) | 2011-05-24 |
EP1895973B1 (en) | 2015-08-19 |
BRPI0612672B8 (pt) | 2021-05-25 |
US20070003647A1 (en) | 2007-01-04 |
CA2612694A1 (en) | 2007-01-04 |
NZ565346A (en) | 2010-05-28 |
IL188192A0 (en) | 2011-08-01 |
BRPI0612672A2 (pt) | 2010-11-30 |
CA2612694C (en) | 2015-10-27 |
US7651690B2 (en) | 2010-01-26 |
RU2008100847A (ru) | 2009-07-27 |
KR20080030047A (ko) | 2008-04-03 |
WO2007002570A1 (en) | 2007-01-04 |
EP1895973A1 (en) | 2008-03-12 |
US20100209461A1 (en) | 2010-08-19 |
HK1114024A1 (zh) | 2008-10-24 |
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