JP4068538B2 - Cytokine release inhibitor - Google Patents
Cytokine release inhibitor Download PDFInfo
- Publication number
- JP4068538B2 JP4068538B2 JP2003321646A JP2003321646A JP4068538B2 JP 4068538 B2 JP4068538 B2 JP 4068538B2 JP 2003321646 A JP2003321646 A JP 2003321646A JP 2003321646 A JP2003321646 A JP 2003321646A JP 4068538 B2 JP4068538 B2 JP 4068538B2
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- chlorella
- cell wall
- ifn
- tnf
- cells
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- Medicines Containing Plant Substances (AREA)
Description
本発明は、IL−1β、IL−2、IL−4、IL−6、IFN−γ及びTNF−α等のサイトカインを阻害するためのサイトカイン遊離阻害剤に関する。 The present invention relates to a cytokine release inhibitor for inhibiting cytokines such as IL-1β, IL-2, IL-4, IL-6, IFN-γ and TNF-α.
IL−1βはアデニール酸シクラーゼを活性化して、cAMPレベルの上昇をもたらし、その結果、蛋白質キナーゼAの活性化を誘発したり、あるいは細胞遺伝子転写活性化因子の役目を果たす核因子を誘発する。IL−1βは、プロスタグランジンを産生する酵素の合成を誘発する結果、発熱が生じる。低濃度では、IL−1βは主として免疫調整的に作用する。IL−1βはポリクローン活性因子と協同で作用し、CD4+Tリンパ球増殖のみならず、Bリンパ球の成長と分化をも促進する。IL−1βは多数の細胞を刺激して、免疫または炎症反応エフェクター細胞として作用するとともに、単核食細胞や血管内皮によるIL−6の合成以外に、自らの合成をも誘発する。IL−1βはその前炎症性特性の点で、腫瘍壊死因子 (TNF)と似ている。 IL-1β activates adenylate cyclase, leading to elevated cAMP levels, thereby inducing the activation of protein kinase A or a nuclear factor that acts as a cellular gene transcription activator. IL-1β induces the synthesis of an enzyme that produces prostaglandins, resulting in fever. At low concentrations, IL-1β acts primarily immunomodulating. IL-1β acts in concert with a polyclonal activator and promotes not only CD4 + T lymphocyte proliferation, but also B lymphocyte growth and differentiation. IL-1β stimulates many cells to act as an immune or inflammatory response effector cell and induces its own synthesis in addition to the synthesis of IL-6 by mononuclear phagocytes and vascular endothelium. IL-1β is similar to tumor necrosis factor (TNF) in its pro-inflammatory properties.
IL−2は、インターフェロンγやリンパトキシンを含むTリンパ球によって産生されるその他のサイトカインの形成を促進する。IL−2合成が不適切な場合、抗原特異性Tリンパ球アネルギーにつながる可能性がある。IL−2によってNK細胞の成長は促進され、リンフォカイン活性化キラー (LAK)細胞の産生を通して、NK細胞の細胞溶解作用は増強される。IL−2は、他のサイトカインに対する未成熟骨髄の反応性を促進する。胸腺では、IL−2は未成熟T細胞の成長を促進する可能性がある。また、IL−2は、免疫系因子の過剰産生又はそれらの因子に対する過剰反応により発症する自己免疫疾患の一因と考えられる。 IL-2 promotes the formation of other cytokines produced by T lymphocytes including interferon gamma and lymphotoxin. Inadequate IL-2 synthesis can lead to antigen-specific T lymphocyte anergy. IL-2 promotes the growth of NK cells and enhances the cytolytic effect of NK cells through the production of lymphokine-activated killer (LAK) cells. IL-2 promotes the response of immature bone marrow to other cytokines. In the thymus, IL-2 may promote the growth of immature T cells. In addition, IL-2 is considered to be a cause of autoimmune diseases that develop due to overproduction of immune system factors or excessive responses to those factors.
IL−4は、B細胞、マスト細胞、マクロファージの成長と分化に対して促進因子としての役割を果たし、マウスではIgE合成に対するスイッチ因子となる。そのほか、クローン化CD4+T細胞の成長も促進し、MHCクラスII分子発現を増強し、Bリンパ球肥大を鎮静化する。ネズミとヒトのIL−4はともに、Bリンパ球のスイッチングを誘発してIgEを合成する。ヒトIL−4はまた、ヒトにおいてBリンパ球とマクロファージでのCD23発現も誘発する。IL−4は細胞仲介性免疫に何らかの役割を持つ可能性がある。 IL-4 serves as a promoter for the growth and differentiation of B cells, mast cells, and macrophages, and is a switch factor for IgE synthesis in mice. In addition, it also promotes the growth of cloned CD4 + T cells, enhances MHC class II molecule expression, and soothes B lymphocyte hypertrophy. Both murine and human IL-4 synthesize IgE by inducing B lymphocyte switching. Human IL-4 also induces CD23 expression on B lymphocytes and macrophages in humans. IL-4 may have some role in cell-mediated immunity.
IL−6は多くのタイプの細胞に作用すると考えられ、一つの重要な機能として、Bリンパ球に作用して、抗体を合成する細胞に分化させる能力を持つ。IL−6は肝細胞に作用して、フィブリノーゲンを含む急性相蛋白質形成を誘発する。B細胞分化の晩期における活性化Bリンパ球にとって、主たる成長因子となっている。IL−6はまた、Tリンパ球と胸腺細胞の同時刺激因子としての役割も持つ。さらに、初期の骨髄造血性幹細胞の成長を促進する他のサイトカインと共同作用する。IL−6は、急性相蛋白質の転写レベルをコントロールすることによって、急性相反応誘発分子としても作用する。IL−6は、ポリクローナルB細胞活性化による高ガンマグロブリン血症やCRP陽性等の発症に関与していると考えられる他、自己免疫様症状を呈する疾患にIL−6の関与が報告されている。またIL−6は、癌の領域において増殖因子として機能している他、敗血症、炎症、外科手術後の回復遅延、骨粗鬆症、I型糖尿病、アルツハイマー病、アミロイドーシス、高脂血症、血小板増多症、心筋梗塞、川崎病、乾癬、メサンギウム細胞増殖性腎症にも関与しているものと考えられている。 IL-6 is thought to act on many types of cells, and one important function is the ability to act on B lymphocytes and differentiate them into cells that synthesize antibodies. IL-6 acts on hepatocytes and induces acute phase protein formation including fibrinogen. It is a major growth factor for activated B lymphocytes in the late stages of B cell differentiation. IL-6 also has a role as a costimulatory factor for T lymphocytes and thymocytes. In addition, it synergizes with other cytokines that promote early myelopoietic stem cell growth. IL-6 also acts as an acute phase reaction-inducing molecule by controlling the transcription level of the acute phase protein. IL-6 is thought to be involved in the development of hypergammaglobulinemia and CRP positivity due to polyclonal B cell activation, and IL-6 has been reported to be involved in diseases exhibiting autoimmune-like symptoms. . IL-6 functions as a growth factor in the area of cancer, sepsis, inflammation, delayed recovery after surgery, osteoporosis, type I diabetes, Alzheimer's disease, amyloidosis, hyperlipidemia, thrombocytosis It is thought to be involved in myocardial infarction, Kawasaki disease, psoriasis, and mesangial proliferative nephropathy.
インターフェロン-γ (IFN−γ) には、抗細胞増殖、抗ウイルス特性がある。IFN−γは強力な単核食細胞活性因子であり、細胞内微生物や腫瘍細胞に対するそれら食細胞の破壊能力を高める。IFN−γ によって多くのタイプの細胞でMHCクラスII分子の発現が誘発され、I 型の発現も多くなる。IFN−γ は、Bリンパ球とTリンパ球両者の分化を促進する。IFN−γはNK細胞の強力な活性因子であり、好中球や血管内皮細胞をも活性化する。IFN−γは、慢性リンパ球性白血病、リンパ腫、IgA欠乏のほか、風疹、Epstein-Barrウイルス、サイトメガロウイルスなどに感染した患者では減少する。組替えIFN−γはこれまでに慢性リンパ球性白血病、粘膜真菌症、ホジキン病、その他様々な疾患の治療に使用されてきた。IFN−γはまた、線維芽細胞によるコラーゲン合成に対する減少作用もあり、結合組織障害の治療への応用が期待される。 Interferon-γ (IFN-γ) has anti-cell proliferation and anti-viral properties. IFN-γ is a powerful mononuclear phagocyte activator and enhances the ability of these phagocytes to destroy intracellular microorganisms and tumor cells. IFN-γ induces expression of MHC class II molecules in many types of cells and increases type I expression. IFN-γ promotes the differentiation of both B and T lymphocytes. IFN-γ is a powerful activator of NK cells and activates neutrophils and vascular endothelial cells. IFN-γ is decreased in patients infected with chronic lymphocytic leukemia, lymphoma, IgA deficiency, rubella, Epstein-Barr virus, cytomegalovirus and the like. Recombinant IFN-γ has been used to treat chronic lymphocytic leukemia, mucosal mycosis, Hodgkin's disease and various other diseases. IFN-γ also has a reducing effect on collagen synthesis by fibroblasts and is expected to be applied to the treatment of connective tissue disorders.
TNF−α (腫瘍壊死因子-a) は殺細胞性モノカインであり、細菌性エンドトキシンによって刺激されたマクロファージによって産生される。TNF−αは炎症、外傷の治癒、組織の再形成に加わる。TNF−αはカケクチンの名前でも知られており、敗血性ショックや悪液質を誘発することがある。TNF−αは白血球補充を促進し、血管形成を誘発し、線維芽細胞の増殖を促進する。TNF−αは特定の腫瘍細胞上の受容器と結合し、細胞融解をもたらす。TNF−αは天然のネズミ殺細胞性 (NC) 細胞の抗腫瘍作用に関与しており、その作用はナチュラルキラー (NK)細胞や細胞障害性T細胞のそれとは機能的に異なる。TNF−αがカケクチンとも呼ばれるのは、実験動物に長期投与すると、体力消耗と貧血を誘発することができるためである。 TNF-α (tumor necrosis factor-a) is a cytocidal monokine produced by macrophages stimulated by bacterial endotoxins. TNF-α participates in inflammation, trauma healing, and tissue remodeling. TNF-α is also known as cachectin and may induce septic shock and cachexia. TNF-α promotes leukocyte recruitment, induces angiogenesis, and promotes fibroblast proliferation. TNF-α binds to a receptor on certain tumor cells and results in cell lysis. TNF-α is involved in the antitumor action of natural murine cell killing (NC) cells, and its action is functionally different from that of natural killer (NK) cells and cytotoxic T cells. TNF-α is also called cachectin because it can induce physical exhaustion and anemia when administered to experimental animals for a long time.
以上のような反応は、生理学的過程を調整するのに必要である。しかしながら、そうしたサイトカイン(TNF−α、IFN−γ、IL−1β、IL−6、IL−2等)の濃度がスーパー抗原又は感染中に突然上昇すると、大規模な全身反応が生じ、それは別名"サイトカイン発作"とも呼ばれて、宿主の全身性ショックをもたらす。IL−4を過度に活性化すると、アレルギー性喘息やアトピー性皮膚炎につながることもある。いくつかのタイプの癌は、高レベルのIL−6産生との関連性が指摘されている。さらに、炎症が動脈硬化につながることもあり、より多くのヒトでの病変と密接に相関しているものと考えられる。従って、前記のようなサイトカインの合成が抑制され又はそれらの活性が調整されることは、TNF−α、IFN−γ、IL−1β、IL−6についてはそれらの濃度増大による全身性ショック及び悪液質を防ぎ、IL−4についてはアレルギー性喘息やアトピー性皮膚炎を防ぎ、IL−6については癌及び動脈硬化を防ぐ効果をもたらすものと考えられる。また、これらのサイトカインは、低濃度で免疫調節作用を有していることから、それらの阻害により、免疫調節異常による各種疾患の予防・治療に有用と考えられる。 Such reactions are necessary to regulate physiological processes. However, when the concentration of such cytokines (TNF-α, IFN-γ, IL-1β, IL-6, IL-2, etc.) suddenly rises during superantigen or infection, a massive systemic reaction occurs, also known as “ Also called “cytokine seizures”, it causes systemic shock in the host. Excessive activation of IL-4 may lead to allergic asthma and atopic dermatitis. Several types of cancer have been linked to high levels of IL-6 production. In addition, inflammation can lead to arteriosclerosis and is thought to correlate closely with more human lesions. Therefore, suppression of cytokine synthesis as described above or regulation of their activities means that systemic shock and adverse effects due to increased concentrations of TNF-α, IFN-γ, IL-1β, and IL-6. It is considered that liquid quality is prevented, IL-4 prevents allergic asthma and atopic dermatitis, and IL-6 has an effect of preventing cancer and arteriosclerosis. In addition, since these cytokines have an immunomodulatory action at low concentrations, their inhibition is considered to be useful for the prevention and treatment of various diseases caused by abnormal immune regulation.
サイトカイン阻害作用を有する化合物としては、特許文献1記載の置換イミダゾール化合物のほか、特許文献2記載の1,3−ジヒドロ−2 H−イミダゾール−2−オン誘導体、及び特許文献3記載のヒドロキシアルキルアンモニウム−ピリミジン等が知られているが、多様な局面で、サイトカインを阻害する上で、更なるIL−1β、IL−2、IL−4、IL−6、IFN−γ及びTNF−α等のサイトカインを阻害するサイトカイン遊離阻害剤に対する要望は強い。
本発明は、従来技術に存した上記のような課題に鑑み行われたものであって、その目的とするところは、IL−1β、IL−2、IL−4、IL−6、IFN−γ及びTNF−α等のサイトカインを阻害する新規サイトカイン遊離阻害剤を提供することにある。 The present invention has been made in view of the above-mentioned problems existing in the prior art, and the object thereof is IL-1β, IL-2, IL-4, IL-6, IFN-γ. And a novel cytokine release inhibitor that inhibits cytokines such as TNF-α.
本発明者は、IL−1β、IL−2、IL−4、IL−6、IFN−γ及びTNF−α等のサイトカインの遊離を阻害する上で有用な物質について研究を行った結果、本発明を完成したものである。 The present inventor conducted research on substances useful for inhibiting the release of cytokines such as IL-1β, IL-2, IL-4, IL-6, IFN-γ and TNF-α. Is completed.
すなわち、本発明のサイトカイン遊離阻害剤は、クロレラの細胞壁破砕物を含有してなるものである。また本発明は、細胞壁破砕クロレラを使用してサイトカインの遊離を阻害する方法を提供するものである。 That is, the cytokine release inhibitor of the present invention contains chlorella cell wall crushed material. The present invention also provides a method of inhibiting the release of cytokines using cell wall disrupted chlorella.
また本発明のIL−1β遊離阻害剤は、クロレラの細胞壁破砕物を含有してなるものである。また本発明は、細胞壁破砕クロレラを使用してIL−1βの遊離を阻害する方法を提供するものである。 In addition, the IL-1β release inhibitor of the present invention contains a chlorella cell wall crushed material. The present invention also provides a method for inhibiting the release of IL-1β using cell wall disrupted chlorella.
また本発明のIL−2遊離阻害剤は、クロレラの細胞壁破砕物を含有してなるものである。また本発明は、細胞壁破砕クロレラを使用してIL−2の遊離を阻害する方法を提供するものである。 Moreover, the IL-2 release inhibitor of the present invention comprises a chlorella cell wall crushed material. The present invention also provides a method of inhibiting IL-2 release using cell wall disrupted chlorella.
更に、本発明のIL−4遊離阻害剤は、クロレラの細胞壁破砕物を含有してなるものである。また本発明は、細胞壁破砕クロレラを使用してIL−4の遊離を阻害する方法を提供するものである。 Furthermore, the IL-4 release inhibitor of the present invention contains a chlorella cell wall crushed material. The present invention also provides a method of inhibiting IL-4 release using cell wall disrupted chlorella.
また本発明のIL−6遊離阻害剤は、クロレラの細胞壁破砕物を含有してなるものである。また本発明は、細胞壁破砕クロレラを使用してIL−6の遊離を阻害する方法を提供するものである。 Moreover, the IL-6 release inhibitor of the present invention comprises a chlorella cell wall crushed material. The present invention also provides a method of inhibiting IL-6 release using cell wall disrupted chlorella.
また更に本発明のIFN−γ遊離阻害剤は、クロレラの細胞壁破砕物を含有してなるものである。また本発明は、細胞壁破砕クロレラを使用してIFN−γの遊離を阻害する方法を提供するものである。 Furthermore, the IFN-γ release inhibitor of the present invention contains chlorella cell wall crushed material. The present invention also provides a method for inhibiting the release of IFN-γ using cell wall disrupted chlorella.
また本発明のTNF−α遊離阻害剤は、クロレラの細胞壁破砕物を含有してなるものである。また本発明は、細胞壁破砕クロレラを使用してTNF−αの遊離を阻害する方法を提供するものである。 The TNF-α release inhibitor of the present invention contains chlorella cell wall crushed material. The present invention also provides a method for inhibiting the release of TNF-α using a cell wall disrupted chlorella.
本発明のサイトカイン遊離阻害剤は、低濃度で免疫調節作用を果している各サイトカインの遊離を阻害するため、免疫調節異常による各種疾患の予防・治療に有用と考えられ、TNF−α、IFN−γ、IL−1β、IL−6、IL−2についてはそれらの濃度増大による全身性ショック及び悪液質を防ぎ、IL−4についてはアレルギー性喘息やアトピー性皮膚炎を防ぎ、IL−6については癌及び動脈硬化を防ぐ効果をもたらす。 Since the cytokine release inhibitor of the present invention inhibits the release of each cytokine that exerts immunomodulatory action at a low concentration, it is considered useful for the prevention and treatment of various diseases caused by abnormal immune regulation. TNF-α, IFN-γ , IL-1β, IL-6, IL-2 prevent systemic shock and cachexia due to their increased concentration, IL-4 prevents allergic asthma and atopic dermatitis, and IL-6 It has the effect of preventing cancer and arteriosclerosis.
本発明におけるクロレラとは、クロレラ属(Chlorella) に属する単細胞緑藻類であって、例えば、Chlorella pyrenoidosa、Chlorella ellipsoidea 、Chlorella vulgaris 、Chlorella regularis 等を挙げることができる。本発明に最も適しているのは、クロレラ・ピレノイドサ(Chlorella pyrenoidosa)である。 The chlorella in the present invention is a unicellular green algae belonging to the genus Chlorella, and examples thereof include Chlorella pyrenoidosa, Chlorella ellipsoidea, Chlorella vulgaris, and Chlorella regularis. Most suitable for the present invention is Chlorella pyrenoidosa.
本発明のサイトカイン遊離阻害剤(IL−1β遊離阻害剤、IL−2遊離阻害剤、IL−4遊離阻害剤、IL−6遊離阻害剤、IFN−γ遊離阻害剤、及びTNF−α遊離阻害剤を含む。以下同じ。)におけるクロレラの細胞壁破砕物は、例えば次のようにして得ることができる。すなわち、先ずクロレラ濃度10乃至25重量%のクロレラ粉体・水懸濁液を10℃以下に調整する。次にこの懸濁液を、下記のような連続湿式微粉砕機に送入し、破砕直後のスラリーが40℃以下になるよう微粉砕する。次いで、このようにして得られたクロレラスラリーを、直ちに10℃以下に冷却することにより、細胞壁が破砕されたクロレラを、品質劣化を生じさせることなく得ることができる。 Cytokine release inhibitor (IL-1β release inhibitor, IL-2 release inhibitor, IL-4 release inhibitor, IL-6 release inhibitor, IFN-γ release inhibitor, and TNF-α release inhibitor of the present invention For example, the chlorella cell wall fragment in the following can be obtained as follows. That is, first, a chlorella powder / water suspension having a chlorella concentration of 10 to 25% by weight is adjusted to 10 ° C. or lower. Next, this suspension is fed into a continuous wet pulverizer as described below, and pulverized so that the slurry immediately after crushing becomes 40 ° C. or lower. Subsequently, the chlorella slurry thus obtained is immediately cooled to 10 ° C. or lower, so that a chlorella having a crushed cell wall can be obtained without causing quality deterioration.
上記連続湿式微粉砕機は、冷却外套を持つ密閉シリンダー中に多数の直径0.5乃至1.5mmのグラスビーズが封入されたものである。そのグラスビーズ容量は密閉シリンダー容量の80乃至85%であり、グラスビーズを流入液体と混和・回転することにより、流入液体中の物質を摩砕するものである。 In the continuous wet pulverizer, a large number of glass beads having a diameter of 0.5 to 1.5 mm are enclosed in a closed cylinder having a cooling mantle. The capacity of the glass beads is 80 to 85% of the capacity of the sealed cylinder, and the glass beads are mixed and rotated with the inflowing liquid to grind the substance in the inflowing liquid.
このようにして細胞壁が破砕されたクロレラは、そのまま用いることもできるが、例えば、真空乾燥後粉砕を行う等の適宜の処理を施した後に使用してもよい。 The chlorella in which the cell wall is crushed in this way can be used as it is, but it may be used after an appropriate treatment such as pulverization after vacuum drying.
本発明のサイトカイン遊離阻害剤は、経口適用が望ましい。経口適用の形態に特に限定はないが、好ましくは、栄養食品、栄養補助食品、粉末、錠剤、硬カプセル剤、軟カプセル剤、又は飲料用液体の形態である。 The cytokine release inhibitor of the present invention is preferably applied orally. The form for oral application is not particularly limited, but is preferably a nutritional food, a dietary supplement, a powder, a tablet, a hard capsule, a soft capsule, or a beverage liquid.
また種々の形態を形成する上で、各種賦形剤、結合剤、崩壊剤、滑沢剤、コーティング剤、着色剤、矯味剤、矯臭剤、可塑剤等を適宜用いることができる。 In forming various forms, various excipients, binders, disintegrants, lubricants, coating agents, coloring agents, flavoring agents, flavoring agents, plasticizers, and the like can be appropriately used.
賦形剤の例としては、糖類(乳糖,白糖,ブドウ糖,マンニトール),デンプン(バレイショ,コムギ,トウモロコシ),無機物(炭酸カルシウム,硫酸カルシウム,炭酸水素ナトリウム,塩化ナトリウム),結晶セルロース,植物末(カンゾウ末,ゲンチアナ末)等を挙げることができる。 Examples of excipients include sugars (lactose, sucrose, glucose, mannitol), starch (potato, wheat, corn), inorganic substances (calcium carbonate, calcium sulfate, sodium bicarbonate, sodium chloride), crystalline cellulose, plant powder ( Licorice powder, gentian powder) and the like.
結合剤の例としては、デンプンのり液,アラビアゴム,ゼラチン,アルギン酸ナトリウム,メチ/レセルロース(MC),エチルセルロース(EC),ポリビニルピロリドン(PVP),ポリビニルアルコール(PVA),ヒドロキシプロピルセルロース(HPC),カルポキシメチルセルロース(CMC)等を挙げることができる。 Examples of binders include starch paste, gum arabic, gelatin, sodium alginate, meth / recellulose (MC), ethylcellulose (EC), polyvinylpyrrolidone (PVP), polyvinyl alcohol (PVA), hydroxypropylcellulose (HPC). , Carboxymethylcellulose (CMC) and the like.
崩壊剤の例としては、デンプン,寒天,ゼラチン末,結晶セルロース,CMC・Na,CMC・Ca,炭酸カルシウム,炭酸水素ナトリウム,アルギン酸ナトリウム等を挙げることができる。 Examples of the disintegrant include starch, agar, gelatin powder, crystalline cellulose, CMC / Na, CMC / Ca, calcium carbonate, sodium hydrogen carbonate, sodium alginate and the like.
滑沢剤の例としては、ステアリン酸マグネシウム,タルク,水素添加植物油,マクロゴール,シリコーン油等を挙げることができる。 Examples of lubricants include magnesium stearate, talc, hydrogenated vegetable oil, macrogol, silicone oil and the like.
コーティング剤の例としては、糖衣(白糖,HPC,セラック),膠衣(ゼラチン,グリセリン,ソルビトール),フイルムコーティング〔ヒドロキシプロピルメチルセルロース(HPMC),EC,HPC,PVP〕,腸溶性コーティング〔ヒドロキシプロビルメチルセルロースフタレート(HPMCP),セルロースアセテートフタレート(CAP)〕等を挙げることができる。 Examples of coating agents include sugar coating (sucrose, HPC, shellac), glue (gelatin, glycerin, sorbitol), film coating [hydroxypropyl methylcellulose (HPMC), EC, HPC, PVP], enteric coating [hydroxyprovir Methyl cellulose phthalate (HPMCP), cellulose acetate phthalate (CAP)] and the like.
着色剤の例としては、水溶性食用色素,レーキ色素)等を挙げることができる。矯味剤の例としては、乳糖,白糖,ブドウ糖,マンニトール)等を挙げることができる。矯臭剤の例としては、芳香性精油類),光線遮断剤(酸化チタン)等を挙げることができる。可塑剤の例としては、フタル酸エステル類,植物油,ポリエチレングリコール)等を挙げることができる。 Examples of the colorant include water-soluble food dyes and lake dyes. Examples of the corrigent include lactose, sucrose, glucose, mannitol) and the like. Examples of flavoring agents include aromatic essential oils) and light blocking agents (titanium oxide). Examples of the plasticizer include phthalic acid esters, vegetable oils, polyethylene glycol) and the like.
クロレラ・ピレノイドサ(Chlorella pyrenoidosa)乾燥粉末の製造
冷却外套を持つ密閉シリンダー中にその密閉シリンダー容量の80乃至85%の容量の多数の直径0.5乃至1.5mmのグラスビーズが封入されており、そのグラスビーズを流入液体と混和・回転することにより流入液体中の物質を摩砕する連続湿式微粉砕機(商品名:ダイノーミル[KD型] WAB, Inc.製)に、10℃以下に調整されたクロレラ・ピレノイドサ濃度10乃至25重量%のクロレラ・ピレノイドサ粉体・水懸濁液を送入して、破砕直後のスラリーが40℃以下になるよう微粉砕し、次いで、このようにして得られたクロレラ・ピレノイドサスラリーを、直ちに10℃以下に冷却し、真空乾燥後、粉砕することにより、細胞壁破砕クロレラ・ピレノイドサ乾燥粉末(株式会社サン・クロレラ製の細胞壁破砕クロレラ粉末)が得られた。
Production of Chlorella pyrenoidosa dry powder In a closed cylinder with a cooling mantle, a large number of glass beads having a diameter of 80 to 85% of the closed cylinder capacity and having a diameter of 0.5 to 1.5 mm are encapsulated. The glass beads are adjusted to 10 ° C or lower by a continuous wet pulverizer (trade name: DYNOMILL [KD type] manufactured by WAB, Inc.) that mixes and rotates the glass beads with the influent liquid to grind the substances in the inflow liquid. The chlorella pyrenoidosa powder / water suspension having a concentration of 10 to 25% by weight was fed and finely pulverized so that the slurry immediately after crushing was 40 ° C. or less, and then obtained in this way. The chlorella / pyrenoid suspension was immediately cooled to 10 ° C. or lower, dried in vacuum, and then pulverized to obtain a cell wall-crushed chlorella / pyrenoid suspension (powdered) Sun Chlorella made of cell wall disruption chlorella powder) was obtained.
ヒト末梢血液単核細胞内のIL−1β、IL−6、TNF−α放出阻害の測定
細胞壁破砕クロレラ・ピレノイドサ乾燥粉末および/または溶媒を、25ng/ml(ナノグラム/ミリリットル)のリポ多糖 (LPS)-刺激ヒト末梢血単核白血球(リポ多糖:Sigma[米国]から入手。ヒト末梢血単核細胞[PBML]:中国血液サービス財団[台湾]から入手。)と共に、培地pH7.4内で、37℃にて一夜インキュベートした。
Measurement of IL-1β, IL-6, TNF-α release inhibition in human peripheral blood mononuclear cells Cell wall disrupted chlorella pyrenoids dry powder and / or solvent, 25 ng / ml (nanogram / milliliter) lipopolysaccharide (LPS) -Stimulated human peripheral blood mononuclear leukocytes (Lipopolysaccharide: obtained from Sigma [USA]. Human peripheral blood mononuclear cells [PBML]: obtained from China Blood Service Foundation [Taiwan]), 37 in medium pH 7.4 Incubate overnight at ° C.
その後、サンドイッチELISAキット(R&D Systems[米国]から入手)を用いて、コンディションドメディウム内のサイトカインレベルを定量したところ、細胞壁破砕クロレラ・ピレノイドサ(乾燥粉末)による50%阻害濃度は、IL−1βが44.9μg/ml(マイクログラム/ミリリットル)、IL−6が34.7μg/ml、TNF−αが11μg/mlであった。すなわち、細胞壁破砕クロレラ・ピレノイドサはIL−1β、IL−6、及びTNF−αの阻害作用を有していた。 Then, when the cytokine level in the conditioned medium was quantified using a sandwich ELISA kit (obtained from R & D Systems [USA]), the 50% inhibitory concentration by cell wall disrupted chlorella pyrenoids (dry powder) It was 44.9 μg / ml (microgram / milliliter), IL-6 was 34.7 μg / ml, and TNF-α was 11 μg / ml. That is, cell wall disrupted chlorella pyrenoids had an inhibitory action on IL-1β, IL-6, and TNF-α.
ヒト末梢血液単核細胞内のIFN−γ、IL−2、IL−4放出阻害の測定
細胞壁破砕クロレラ・ピレノイドサ乾燥粉末および/または溶媒を、20ng/mlのコンカバナリンA(Concanavalin A)-刺激ヒト末梢血単核白血球(コンカバナリンA:Sigma[米国]から入手。ヒト末梢血単核細胞[PBML]:中国血液サービス財団[台湾]から入手)と共に、培地pH7.4内で、37℃にて一夜インキュベートした。
Measurement of IFN-γ, IL-2, IL-4 release inhibition in human peripheral blood mononuclear cells Cell wall disrupted chlorella pyrenoids dry powder and / or solvent, 20 ng / ml Concanavalin A-stimulated human peripheral Incubate overnight at 37 ° C. in medium pH 7.4 with blood mononuclear leukocytes (concavanaline A: obtained from Sigma [USA]. Human peripheral blood mononuclear cells [PBML]: obtained from China Blood Service Foundation [Taiwan]) did.
その後、サンドイッチELISAキット(R&D Systems[米国]から入手)を用いて、コンディションドメディウム内のサイトカインレベルを定量したところ、細胞壁破砕クロレラ・ピレノイドサ(乾燥粉末)による50%阻害濃度は、IFN−γが31.6μg/ml、IL−2が14.8μg/ml、IL−4が49.2μg/mlであった。すなわち、細胞壁破砕クロレラ・ピレノイドサはIFN−γ、IL−2、及びIL−4の阻害作用を有していた。 Then, when the cytokine level in the conditioned medium was quantified using a sandwich ELISA kit (obtained from R & D Systems [USA]), the 50% inhibitory concentration by cell wall disrupted chlorella pyrenoids (dry powder) was determined by IFN-γ. It was 31.6 μg / ml, IL-2 was 14.8 μg / ml, and IL-4 was 49.2 μg / ml. That is, the cell wall disrupted chlorella pyrenoidosa had an inhibitory action on IFN-γ, IL-2, and IL-4.
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