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JP5561845B2 - Formulation for increasing endogenous DHEA-S and method for producing the same, and method for increasing endogenous DHEA-S - Google Patents
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JP5561845B2 - Formulation for increasing endogenous DHEA-S and method for producing the same, and method for increasing endogenous DHEA-S - Google Patents

Formulation for increasing endogenous DHEA-S and method for producing the same, and method for increasing endogenous DHEA-S Download PDF

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JP5561845B2
JP5561845B2 JP2008273586A JP2008273586A JP5561845B2 JP 5561845 B2 JP5561845 B2 JP 5561845B2 JP 2008273586 A JP2008273586 A JP 2008273586A JP 2008273586 A JP2008273586 A JP 2008273586A JP 5561845 B2 JP5561845 B2 JP 5561845B2
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暉彬 関根
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Lymphotec Inc
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本発明は、被験者の体内に有する内因性DHEA−Sを積極的に増加させることにより、加齢による内因性DHEA−Sの経年減少を阻止し、あるいは増加させてアンチエイジング効果を発揮し、また被験者のQOLを向上させることを目的とする。  The present invention positively increases endogenous DHEA-S contained in the subject's body, thereby preventing or increasing the aging of endogenous DHEA-S due to aging and exerting an anti-aging effect, The objective is to improve the QOL of the subject.

内因性DHEA−S、すなわちデヒドロエピアンドロステロンサルフェート(Dehydroepiandrosterone sulfate)は、DHEA−SやDHEAが外用投与されていないときに体内に存在するDHEA−Sのことである。男性・女性ホルモン合成の中間代謝産物であり、同じく中間代謝産物であるデヒドロエピアンドロステロン(Dehydroepiandrosterone;DHEA)の硫酸抱合体である。DHEA−Sは副腎で産生されるステロイドホルモンの中では血中に最も多く存在し、しかもDHEAの血中における濃度レベルは短期的には早朝に最高値を示すが急速に低下する性質があるのに対し、DHEA−Sは血中濃度の半減期が長く長期的に安定した血中動態を示す。  Endogenous DHEA-S, that is, dehydroepiandrosterone sulfate, is DHEA-S present in the body when DHEA-S or DHEA is not administered externally. It is an intermediate metabolite of male and female hormone synthesis, and is a sulfate conjugate of dehydroepiandrosterone (DHEA), which is also an intermediate metabolite. DHEA-S is the most abundant steroid hormone produced in the adrenal gland, and the concentration level of DHEA in the blood shows a maximum value in the early morning but rapidly decreases in the short term. In contrast, DHEA-S has a long blood half-life and a long-term stable blood dynamics.

しかし、DHEA−Sの男性ホルモンとしての活性はテストステロンの1/5程度であり、その生理学的な意義や役割には不明な部分が多い。これまで外来性DHEAをラットに投与して乳癌、糖尿病、肥満、自己免疫性腎炎、ウイルス感染、化学発癌性大腸癌及び肺癌の発症を抑える試みがなされているが、ヒトに対する投与によってはその臨床的効果は全く認められなかった(New Engl J Med 2006,355:1347−1659、Aging Male 2003,6:151−156)ことより、現時点では治療目的での閉経後の女性に対するDHEAの投与は薦められていない(Menopause Int 2007;13:75−78)。  However, the activity of DHEA-S as a male hormone is about 1/5 that of testosterone, and there are many unclear parts in its physiological significance and role. Attempts have been made to suppress the development of breast cancer, diabetes, obesity, autoimmune nephritis, viral infection, chemical carcinogenic colorectal cancer and lung cancer by administering exogenous DHEA to rats. There was no positive effect (New Engl J Med 2006, 355: 1347-1659, Aging Male 2003, 6: 151-156), so it is currently recommended to administer DHEA to postmenopausal women for therapeutic purposes (Menopause Int 2007; 13: 75-78).

内因性のDHEA−Sでは、上記した乳癌、糖尿病、肥満、自己免疫性腎炎、ウイルス感染、化学発癌性大腸癌及び肺癌の発症抑制といった病気の治療に対する臨床的な効果はあまりないものの、乳癌や前立腺癌、甲状腺癌におけるリスクの相関は認められていない。一方でDHEA−Sは、その分泌が20歳前後で高値を示した後、加齢とともに次第に低下するため、老化の程度を示す一つの客観的指標とされている(日本老年医学会誌1994,31:85−95)。  Endogenous DHEA-S has little clinical effect on the treatment of diseases such as breast cancer, diabetes, obesity, autoimmune nephritis, viral infection, chemical carcinogenic colorectal cancer, and lung cancer. No risk correlation has been found in prostate cancer or thyroid cancer. On the other hand, DHEA-S is regarded as one objective index indicating the degree of aging because its secretion increases at around 20 years old and then gradually decreases with aging (Journal of Japan Geriatrics Society, 1994, 31). : 85-95).

また内因性DHEA−Sに関しては、その血中レベルが長生きに寄与する可能性が指摘されている(Science 2002,297:811)ところから、体内に有する内因性のDHEA−Sの暫減を阻止することができるならば、アンチエイジング効果の向上が大きく期待されるところである。このような複雑な状況の下において最近、老化防止を目的としたDHEAに関する種々の研究がおこなわれている。たとえば内因性DHEAの作用を高める方法(特開2007−77093号公報参照)が知られている。  Regarding endogenous DHEA-S, it has been pointed out that its blood level may contribute to longevity (Science 2002, 297: 811). Therefore, it is possible to prevent a temporary decrease in endogenous DHEA-S in the body. If this can be done, the improvement of the anti-aging effect is greatly expected. Under such a complicated situation, various studies on DHEA for the purpose of preventing aging have recently been conducted. For example, a method of enhancing the action of endogenous DHEA (see JP 2007-77093 A) is known.

またDHEA投与による副作用を改善して免疫系の防御調節を増進させるべくDHEAの代謝産物を投与する方法(特開2002−322065号公報参照)が試みられつつある。これらはDHEAが作用する細胞、酵素ないしは器官の感受性を高める物質であったり、あるいはDHEAと結合して効果を高めるものであったり、またDHEAを安定化させる物質であるものなどであるが、それらはいずれも内在性DHEA自体の活性を増強するだけであるところから、アンチエイジング効果の点においてはそれほど大きな期待がもてない。  In addition, a method of administering a metabolite of DHEA (see Japanese Patent Application Laid-Open No. 2002-322065) is being attempted in order to improve the side effects of DHEA administration and enhance defense regulation of the immune system. These are substances that increase the sensitivity of cells, enzymes or organs on which DHEA acts, or substances that increase the effect by binding to DHEA, or substances that stabilize DHEA. Since all of them only enhance the activity of endogenous DHEA itself, there is no great expectation in terms of the anti-aging effect.

さらに薬剤等により内因性DHEA−Sの血中レベルを上昇させる方法としては、例えば鬱金と蛇胆と田七人参を原料として顆粒状にした若返り効果のあるとされる漢方系食品の摂食による方法(特開2005−204504号公報参照)などが知られている。
特開2007−77093号公報号公報 特開2002−322065号公報号公報 特開2005−204504号公報号公報
Furthermore, as a method for increasing the blood level of endogenous DHEA-S by a drug or the like, for example, a method by feeding a Kampo food that has a rejuvenating effect that is granulated from, for example, depression, serpentine and ginseng (See JP 2005-204504 A).
JP 2007-77093 A JP 2002-322065 A JP 2005-204504 A

しかしながら、上記した特許文献1および2のものにおいては、内在性DHEAが作用する細胞や酵素ないしは器官の感受性を高め、あるいはDHEAと結合して効果を高め、もしくはDHEAを安定化させるなど活性を増強するだけであり、また引用文献3の漢方系食品の摂食による内因性DHEA−Sの血中レベルを上昇させる方法をも含めて現実にはそれほど大きな内因性DHEA−Sの血中レベル上昇が見込めるわけではない。  However, in the above-mentioned Patent Documents 1 and 2, the activity is enhanced by enhancing the sensitivity of cells, enzymes or organs on which endogenous DHEA acts, or enhancing the effect by binding to DHEA, or stabilizing DHEA. In addition, the blood level of endogenous DHEA-S is actually so large, including the method of increasing the blood level of endogenous DHEA-S due to the intake of Kampo foods of Reference 3 It is not possible to expect.

とくに特許文献3に開示された方法は、漢方成分を主原料とする食品に関するものであり、この食品を摂食することによるDHEA−Sの上昇について言及しているが、活性化リンパ球を投与することによりDHEA−Sを上昇させたものではなかった。また、DHEA−Sはステロイドホルモンであることより、外来因子による増量には副作用の面で問題があり、自己由来成分を使用することは、安全性の観点から非常な安心をもたらすものであることに鑑みると、内因性DHEA−Sの濃度レベルを上昇させることが最も安全でしかも確実であるといえる。  In particular, the method disclosed in Patent Document 3 relates to foods containing Kampo ingredients as the main ingredient, and refers to the increase in DHEA-S caused by eating this food. This did not increase DHEA-S. In addition, since DHEA-S is a steroid hormone, there is a problem in terms of side effects in increasing the amount due to an external factor, and the use of self-derived components is very safe from the viewpoint of safety. In view of this, it can be said that it is safest and most reliable to increase the concentration level of endogenous DHEA-S.

上記したように、内因性のDHEA−Sの血中レベルを上昇させることは十分に意味のあることと考えられる。しかし、2年間隔で測定した血中DHEA−S測定値間の相関係数が0.80(P<0.01)であり、12年間隔では0.63(P<0.01)と、血中のDHEA−Sレベルの変動が少ないことより(Arch Intern Med 2000,160:2193−2198)、内因性のDHEA−Sレベルを変化させることは極めて困難であることが予想される。  As mentioned above, raising the blood level of endogenous DHEA-S is considered to be sufficiently meaningful. However, the correlation coefficient between blood DHEA-S measurements measured at 2-year intervals is 0.80 (P <0.01), and at 12-year intervals is 0.63 (P <0.01). It is expected that it is very difficult to change the endogenous DHEA-S level due to the small fluctuation of blood DHEA-S level (Arch Intern Med 2000, 160: 2193-2198).

そこで本発明においては、単に内在性DHEA又はDHEA−Sの活性を高め、また安定化させるのではなしに、内因性DHEA−Sのとくに血中レベル量を積極的に増加させることにより明らかなアンチエイジング効果を発揮させることができるようにしたものである。  Therefore, in the present invention, it is apparent that anti-aging is clearly achieved by positively increasing the level of endogenous DHEA-S, particularly in blood, rather than merely increasing and stabilizing the activity of endogenous DHEA or DHEA-S. The effect can be exhibited.

具体的には、被験者より採取したリンパ球を固相化した抗CD3抗体及びインターロイキン2を含む培養液中で培養を行うことにより増殖活性化させた自己由来リンパ球を主成分とした内因性DHEA−Sを増加させるための製剤に関する。また本発明は、被験者よりリンパ球を採取する工程と、採取したリンパ球を固相化した抗CD3抗体及びインターロイキン2を含む培養液中で培養を行うことにより増殖活性化させる工程と、培養増殖活性化させた自己由来リンパ球を製剤化する工程とからなる自己由来リンパ球を主成分とした内因性DHEA−Sを増加させる製剤の製造方法に関する。  Specifically, endogenous lymphocytes collected from a subject are mainly composed of autologous lymphocytes activated by culturing in a culture medium containing anti-CD3 antibody and interleukin 2 immobilized on solid phase. It relates to a formulation for increasing DHEA-S. The present invention also includes a step of collecting lymphocytes from a subject, a step of activating proliferation by culturing the collected lymphocytes in a culture solution containing anti-CD3 antibody and interleukin 2 immobilized on solid phase, The present invention relates to a method for producing a preparation for increasing endogenous DHEA-S mainly composed of autologous lymphocytes, comprising a step of formulating proliferatively activated autologous lymphocytes.

さらに本発明は、被験者よりリンパ球を採取する工程と、採取したリンパ球を固相化した抗CD3抗体及びインターロイキン2を含む培養液中で培養を行うことにより増殖活性化させる工程と、増殖活性化させた自己由来リンパ球を主成分とした製剤を得る工程と、該製剤を被験者の体液中に投与することにより被験者の内因性DHEA−Sを増加するための方法にも関する。  Furthermore, the present invention includes a step of collecting lymphocytes from a subject, a step of activating proliferation by culturing the collected lymphocytes in a culture solution containing an anti-CD3 antibody and interleukin 2 solid-phased, The present invention also relates to a step of obtaining a preparation mainly composed of activated autologous lymphocytes, and a method for increasing endogenous DHEA-S in a subject by administering the preparation into a body fluid of the subject.

本発明は、被験者の体液中よりリンパ球を採取し、これを固相化した抗CD3抗体及びインターロイキン2を含む培養液中で培養増殖活性化することにより自己由来リンパ球を主成分とした内因性DHEA−Sを増加させるための製剤とし、また該内因性DHEA−Sを増加させるための製剤を被験者の体液中に繰り返し投与することにより、被験者の内因性DHEA−Sを着実かつ積極的に増加させることができ、その結果被験者自らの免疫状態の維持・増進を図るとともに体感する体調レベルを向上させ、加齢による被験者の体内に有する内因性DHEA−Sの経年減少を阻止し、あるいは増加させてアンチエイジング効果を発揮し、また被験者のQOLを向上させることができる。  The present invention is based on autologous lymphocytes by collecting lymphocytes from the body fluid of a subject and culturing and activating them in a culture solution containing anti-CD3 antibody and interleukin 2 solid-phased. A formulation for increasing endogenous DHEA-S, and by repeatedly administering the formulation for increasing endogenous DHEA-S into the body fluid of the subject, the subject's endogenous DHEA-S is steadily and actively administered. As a result, the subject's own immune status is maintained and enhanced, and the physical condition level to be felt is improved, and the aging of endogenous DHEA-S in the subject's body due to aging is prevented, or It can be increased to exert an anti-aging effect, and the QOL of the subject can be improved.

さらに本発明において用いられる活性化リンパ球は、凍結保存が可能であり、また必要に応じてこれを融解・復元し、復元後或いは細胞の増殖活性化操作後の細胞を格別の操作を必要とすることなく直ちにDHEA−Sを上昇もしくは減少を阻止するために用いることができる。  Furthermore, the activated lymphocytes used in the present invention can be cryopreserved, and if necessary, thaw / restore them, and require special handling of the cells after restoration or after cell proliferation activation. DHEA-S can be used immediately to prevent an increase or decrease without.

また本発明の活性化リンパ球より、特定のサブタイプの細胞のみを除去し、あるいは選別し、これらをDHEA−S濃度レベルの上昇用製剤として用いることもできる。このように本発明の血中内因性DHEA−Sを上昇させる製剤、その製造方法、ならびに血中内因性DHEA−Sを上昇させる方法によって、動物において血中内因性DHEA−Sレベルの上昇を可能とするものであり、アンチエージング効果を得ることをも可能とするものである。  Moreover, only a specific subtype of cells is removed or selected from the activated lymphocytes of the present invention, and these can be used as a preparation for increasing the DHEA-S concentration level. As described above, the preparation of blood endogenous DHEA-S of the present invention, a method for producing the same, and the method of raising blood endogenous DHEA-S can increase blood endogenous DHEA-S levels in animals. It is also possible to obtain an anti-aging effect.

さらに本発明の増殖された自己由来活性化リンパ球を主成分とした内因性DHEA−Sを増加させるための製剤、および該製剤のアンチエージング目的での投与については、必ずしも健常者に限られるものではなく、手術もしくは放射線治療、又は抗癌剤投与等の治療後やそれらの寛解後の患者にも投与してアンチエージング効果を期待することができる。  Furthermore, the preparation for increasing endogenous DHEA-S based on the proliferated autologous activated lymphocytes of the present invention and the administration of the preparation for anti-aging purposes are not necessarily limited to healthy subjects. Instead, the anti-aging effect can be expected by administering to patients after surgery such as surgery or radiation therapy, or administration of an anticancer agent or after remission thereof.

以下において本発明の具体的な内容を説明すると、本発明は、被験者の体液中よりリンパ球を採取し、これを固相化した抗CD3抗体及びインターロイキン2を含む培養液中で培養増殖活性化することにより自己由来リンパ球を主成分とした内因性DHEA−Sのとくに血中濃度レベルを増加させる製剤とし、また該内因性DHEA−Sを増加させるための製剤を被験者の体液、とくに血液中に繰り返し投与することにより、被験者の内因性DHEA−Sを着実かつ積極的に体液、とくに血中レベルの増大をはかることができ、その結果加齢による被験者の体内に有する内因性DHEA−Sの経年減少を阻止し、あるいは増加させてアンチエイジング効果を発揮し、また被験者のQOLを向上させることができるものである。  In the following, the specific contents of the present invention will be described. In the present invention, lymphocytes are collected from a body fluid of a subject, and cultured in a culture solution containing an anti-CD3 antibody and interleukin 2 on which the lymphocytes are immobilized. To increase the concentration of endogenous DHEA-S, which is mainly composed of autologous lymphocytes, especially in blood, and to increase the endogenous DHEA-S as a body fluid, particularly blood. By repeatedly administering the DHEA-S in the subject, the endogenous DHEA-S can be steadily and positively increased in body fluids, particularly blood levels, and as a result, the endogenous DHEA-S contained in the subject's body due to aging. Is capable of preventing or increasing the aging of the material to exert an anti-aging effect and improve the QOL of the subject.

〔リンパ球の分離〕
リンパ球細胞は、被験者の末梢血から分離して採取する。末梢血からの採取方法としては、静脈からの採取が望ましく、また一回に採血する量としては、1〜500ml程度であり、特にその量に限定されない。しかしながら少量の血液の場合、被採血者の負担を最小限にとどめることができる。そのため、5〜100ml程度が好ましく、より好ましくは10〜50mlの採血量で行うことができる。一回の採血により数回分の投与に使用できる細胞が調整できるが、投与回数あるいは投与間隔に応じて適宜採血を行ない、細胞を調整することができる。なおリンパ球の採取については、必ずしも末梢血に限られるものではなく、髄液や唾液、尿その他の体液からも採取が可能である。
[Separation of lymphocytes]
Lymphocytes are collected from the peripheral blood of the subject. As a method for collecting from peripheral blood, collection from a vein is desirable, and the amount to be collected at one time is about 1 to 500 ml, and the amount is not particularly limited. However, in the case of a small amount of blood, the burden on the blood sample can be minimized. Therefore, about 5-100 ml is preferable, More preferably, it can carry out with the amount of blood collection of 10-50 ml. Cells that can be used for several doses can be adjusted by one blood collection, but the cells can be adjusted by appropriately collecting blood according to the number of administrations or the administration interval. The collection of lymphocytes is not necessarily limited to peripheral blood, but can also be collected from cerebrospinal fluid, saliva, urine and other body fluids.

なおこの場合に、血液が凝固しないように、採血した血液にヘパリンやクエン酸を加えることができるが、本方法に限定されない。また上記した血液からのリンパ球細胞の分離は、ショ糖や市販のリンパ球分離液等を用いる不連続密度勾配遠心法などの周知のリンパ球細胞の分離法によっても操作して取得できる。また、末梢血からのリンパ球の分離は、本実施例においては、密度遠心分離によりおこなっている。この場合の密度遠心分離としては、フィコールハイパック、モノポリレゾルーション等が使用できる。しかしながら、本方法に限定されるものではない。  In this case, heparin or citric acid can be added to the collected blood so that the blood does not clot, but it is not limited to this method. The separation of lymphocyte cells from the blood can also be obtained by manipulation by a known lymphocyte cell separation method such as discontinuous density gradient centrifugation using sucrose or a commercially available lymphocyte separation solution. In addition, separation of lymphocytes from peripheral blood is performed by density centrifugation in this example. As the density centrifugation in this case, Ficoll Hipack, monopoly resolution, or the like can be used. However, it is not limited to this method.

〔リンパ球の増殖・活性化〕
被験者から採取したリンパ球細胞の増殖は、インターロイキン2と抗CD3抗体を組み合わせ存在させ、培養することにより実施することができる。この場合例えばインターロイキン2を含む培養用培地液にリンパ球細胞を浮遊させ、抗CD3抗体を固相化した培養容器に入れて培養を開始することができる。さらに必要に応じて各種のマイトージェン増殖因子、活性化因子を使用して細胞の増殖・活性化を行なうことも可能である。
[Proliferation and activation of lymphocytes]
Proliferation of lymphocyte cells collected from a subject can be carried out by culturing in the presence of a combination of interleukin 2 and anti-CD3 antibody. In this case, for example, lymphocytes can be suspended in a culture medium containing interleukin 2 and placed in a culture vessel in which an anti-CD3 antibody is solid-phased to start culture. Furthermore, if necessary, cells can be proliferated and activated using various mitogen growth factors and activators.

抗CD3抗体としては、リンパ球細胞の増殖・活性化を促進できる抗体であれば、特に、限定されるものではない。リンパ球細胞に用いる抗CD3抗体は、精製したCD3分子を用いて動物または細胞に産生させることもできるが、安定性、コスト等に優れた市販のOKT−3抗体(製造元:オーソファーマスーティカル)を使用できる。  The anti-CD3 antibody is not particularly limited as long as it can promote proliferation and activation of lymphocyte cells. The anti-CD3 antibody used for lymphocyte cells can be produced in animals or cells using purified CD3 molecules, but is a commercially available OKT-3 antibody (manufacturer: Auster Musical) excellent in stability, cost, etc. Can be used.

抗CD3抗体は、リンパ球細胞の増殖の効率、操作性の観点から、固相化して用いることが好ましい。抗体を固相化するための器具としては、ガラス、ポリウレタン、ポリオレフィン、ポリスチレン等の材質の培養容器が挙げられる。入手が容易であることから、市販のプラスチック製の滅菌済み細胞培養用フラスコ等を使用することもでき、その大きさは適宜選択できる。固相化は、抗CD3抗体の希釈液を固相化する器具に添加し、例えば、4℃〜37℃の温度雰囲気で2〜24時間、静置することによって行なうことができる。  The anti-CD3 antibody is preferably used after immobilization from the viewpoint of the efficiency of lymphocyte cell proliferation and operability. Examples of the instrument for immobilizing the antibody include a culture vessel made of glass, polyurethane, polyolefin, polystyrene, or the like. Since it is easily available, a commercially available plastic sterilized flask for cell culture can be used, and its size can be selected as appropriate. Solid-phase immobilization can be performed by adding a diluted solution of anti-CD3 antibody to a device for immobilizing solid phase and allowing to stand, for example, in a temperature atmosphere of 4 ° C to 37 ° C for 2 to 24 hours.

この抗CD3抗体の固相化には、抗CD3抗体を滅菌したダルベッコリン酸緩衝液等の生理的な緩衝液中に1〜30μg/mlの濃度に希釈して用いることが好ましい。固相化した容器は固相化後、使用時まで低温室や冷蔵庫(4℃)で保存することができる。使用時に液を除去して、また必要であれば常温のダルベッコリン酸緩衝液等の生理的な緩衝液で洗浄できる。  For immobilization of the anti-CD3 antibody, it is preferable to dilute the anti-CD3 antibody to a concentration of 1 to 30 μg / ml in a physiological buffer such as a sterilized Dulbecco's phosphate buffer. The solid-phased container can be stored in a low-temperature room or a refrigerator (4 ° C.) until it is used after solid-phase. The liquid can be removed at the time of use, and if necessary, it can be washed with a physiological buffer such as a room temperature Dulbecco's phosphate buffer.

また、本発明では培養用培地液中にインターロイキン2を用いることが、増殖の効率の観点から好ましい。インターロイキン2は、市販されているものを用いることができ、培養用培地液1〜2000U/mlの濃度となるように用いるのが好ましい。インターロイキン2は、水、生理食塩液、ダルベッコリン酸緩衝液、RPMI−1640、DMEM、IMDM、AIM−V等の一般に広く用いられる細胞培養用培地液等に溶解して使用することができる。なお一度溶解したものは、活性の低下を防ぐため、冷蔵保存することが好ましい。  In the present invention, interleukin 2 is preferably used in the culture medium solution from the viewpoint of proliferation efficiency. What is marketed can be used for the interleukin 2, It is preferable to use it so that it may become the density | concentration of the culture medium liquid for culture | cultivation 1-2000 U / ml. Interleukin 2 can be used by dissolving in generally used cell culture media such as water, physiological saline, Dulbecco's phosphate buffer, RPMI-1640, DMEM, IMDM, AIM-V and the like. In addition, once dissolved, it is preferable to store in a refrigerator to prevent a decrease in activity.

この場合に使用される培養用培地液としては、リンパ球細胞の培養に適したものであれば特に制限されず、血清等の生物由来の培養液、平衡塩類溶液にアミノ酸、ビタミン、核酸塩基などを加えた合成培地などが使用でき、RPMI−1640、AIM−V、DMEM、IMDM等が好ましいものとして挙げられ、なかでもRPMI−1640が特に好ましいものとして挙げられる。培養用培地は、正常ヒト血清を添加したものが増殖効果に優れ好ましい。またこれらの培地は市販品を用いることができる。  The culture medium used in this case is not particularly limited as long as it is suitable for the culture of lymphocyte cells, and it is not limited to a culture solution derived from organisms such as serum, balanced salt solution, amino acids, vitamins, nucleobases, etc. Can be used, and RPMI-1640, AIM-V, DMEM, IMDM and the like are preferable, and RPMI-1640 is particularly preferable. A culture medium supplemented with normal human serum is preferable because of its excellent proliferation effect. Moreover, a commercial item can be used for these culture media.

培養については、一般的な細胞培養の方法に従うことができる。例えば、COインキュベーター内で行なうことができる。CO濃度は1〜10%、特に5%程度が好ましく、また温度については30〜40℃、特に37℃前後の温度が好ましい。さらにここで活性化培養されたリンパ球は、凍結保存することができる。凍結保存温度は、−80℃のフリーザー中でもよく、また液体窒素に保存することもできる。凍結保存した活性化リンパ球は、必要に応じて随時解凍し、これに洗浄を施すのみでこれを投与することができる。For culturing, general cell culturing methods can be followed. For example, it can be performed in a CO 2 incubator. The CO 2 concentration is preferably 1 to 10%, particularly about 5%, and the temperature is preferably 30 to 40 ° C., particularly around 37 ° C. Furthermore, the lymphocytes activated and cultured here can be cryopreserved. The freezing temperature may be a freezer at −80 ° C., or it can be stored in liquid nitrogen. Activated lymphocytes that have been cryopreserved can be administered by simply thawing them as needed and washing them.

〔活性化リンパ球の投与〕
活性化リンパ球の投与については、増殖活性化前のリンパ球を採取した被験者本人に対して投与する。投与の方法は被験者の末梢血管からの輸注が簡便であるが、必ずしもこれに限られるものではない。
[Administration of activated lymphocytes]
Regarding the administration of activated lymphocytes, the activated lymphocytes are administered to the subject who collected the lymphocytes before activation of proliferation. The administration method is simple infusion from the peripheral blood vessels of the subject, but is not necessarily limited thereto.

被験者に対する活性化リンパ球の投与については、その投与頻度が高ければ高いほど、より多くの効果が望めるが、一般的には数日から数ヶ月に一回程度の頻度で実施するものとし、また、投与回数については1回から1000回程の投与を行なう可能性もある。しかし通常1回の投与だけによる効果は比較的薄いので、投与回数が多ければ多いほど好ましいといえる。  Regarding the administration of activated lymphocytes to subjects, the higher the frequency of administration, the more effect can be expected, but in general, it should be performed once every few days to several months, and As for the number of administrations, there is a possibility of administration from 1 to 1000 times. However, since the effect of only one administration is usually relatively small, it can be said that the larger the number of administrations, the better.

この場合における投与頻度、期間、投与数については、被験者の状態如何に応じて適宜選択的に決定し、また状況如何によっても変更することができる。また、採血および投与の際には問診を実施する。なおこの場合に、被験者が外科手術前またはその後であり、あるいは感染症や癌患者である場合などにおいては完全寛解後であるのが望ましい。  In this case, the administration frequency, the period, and the number of administration can be appropriately determined depending on the condition of the subject and can be changed depending on the situation. Interviews will be conducted at the time of blood sampling and administration. In this case, it is desirable that the subject is before or after surgery, or after complete remission in the case of an infectious disease or cancer patient.

〔DHEA−Sの測定〕
DHEA−Sについては、リンパ球を分離するために末梢血を採取した際に、その一部をDHEA−S測定用に取り置いて測定する。本発明実施例では体液として末梢血のDHEA−Sを測定しているが、体液としては尿でも唾液でもよく、DHEA−Sを測定することができる。また、体液として尿や唾液を用いる場合には、リンパ球分離のための採血とは独立に、DHEA−Sの測定を必要としたときにいつでも検体採取をおこなうことができる。
[Measurement of DHEA-S]
Regarding DHEA-S, when peripheral blood is collected to separate lymphocytes, a part of the blood is set aside for DHEA-S measurement. In the examples of the present invention, DHEA-S of peripheral blood is measured as a body fluid, but the body fluid may be urine or saliva, and DHEA-S can be measured. In addition, when urine or saliva is used as a body fluid, a sample can be collected whenever DHEA-S measurement is required, independent of blood collection for lymphocyte separation.

DHEA−Sの測定法としては、一般的なRIA法を採用することができるが、EIA法によってもCLEIA法によっても測定可能である。一般的には被験者が健常者であることを前提とした場合に、活性化リンパ球の投与によって内因性DHEA−S濃度レベルが積極的に上昇し、もしくは低下しなかったことより、健常者においてもDHEA−Sは男性・女性ホルモン等の前駆体であることよりかかる効果を有することが示唆されアンチエージング効果が得られると考える。  As a measuring method of DHEA-S, a general RIA method can be adopted, but it can be measured by either the EIA method or the CLEIA method. In general, assuming that the subject is a healthy person, the endogenous DHEA-S concentration level is not actively increased or decreased by the administration of activated lymphocytes. DHEA-S is a precursor of male / female hormones and the like, suggesting that it has such an effect and is considered to have an anti-aging effect.

また被験者が癌患者である場合、あるいはあった場合においては、完全寛解した癌患者において活性化リンパ球がその血中DHEA−Sの濃度を上昇させ得ることで、DHEA−Sは男性・女性ホルモン等の前駆体であることよりアンチエージング効果が得られるものと考える。  In addition, in the case where the test subject is or is a cancer patient, the activated lymphocyte can increase the blood DHEA-S concentration in the completely remission cancer patient, so that DHEA-S is a male / female hormone. It is considered that an anti-aging effect can be obtained by using a precursor such as

(1)〔リンパ球の分離〕
被験者の静脈からヘパリンを加えて末梢血20〜50mlを採血した。クリーンベンチ(昭和科学株式会社製:S−1100)内で無菌的に採血した注射筒の注射針を、接合部近くを触らないようにはずし19G×1 1/2″注射針(発売元:株式会社ニプロ)に付け替えた。50ml遠沈管(岩城硝子株式会社製:2341−050)2本に、洗浄用培地(RPMI1640+6)(500ml、株式会社日研生物医学研究所製:GM1106)を15mlずつ注ぎ込み、その遠沈管に、採血した血液を培養液で3倍に希釈後、その全てを2本とも等量になるようにゆっくりと注いだ。
(1) [Separation of lymphocytes]
Heparin was added from the subject's vein to collect 20-50 ml of peripheral blood. Remove the syringe needle from the aseptic tube collected aseptically in a clean bench (Showa Kagaku Co., Ltd .: S-1100) so as not to touch the vicinity of the joint. 15 ml of washing medium (RPMI1640 + 6) (500 ml, manufactured by Nikken Biomedical Research Institute: GM1106) was poured into two 50 ml centrifuge tubes (Iwaki Glass Co., Ltd .: 2341-050). In the centrifuge tube, the collected blood was diluted three-fold with the culture solution, and then all of the two were slowly poured so as to be equal in volume.

遠沈管の蓋を完全に閉めた後、2〜3回転倒混和した。10mlピペット(輸入発売元:コーニングコースタージャパン:4105)でリンホセパールl(100ml、株式会社免疫生物研究所製:23010)を15ml遠沈管(岩城硝子株式会社製:2327−015)6本に各3mlずつ入れ、次に培地で希釈した血液10mlをそれぞれの遠沈管に、液面を乱さないようにゆっくり重層した。回転数1,800rpm、遠心分離温度20℃、ブレーキOFFの状態で15分間遠心した(遠心機:株式会社コクサン製:H−700R)。  The centrifuge tube was completely closed and then mixed by inversion 2-3 times. 3 ml each of Lymphosepar l (100 ml, manufactured by Immunobiological Laboratories Co., Ltd .: 23010) in 6 15 ml centrifuge tubes (manufactured by Iwaki Glass Co., Ltd .: 2327-015) using a 10 ml pipette (imported distributor: Corning Coaster Japan: 4105) Then, 10 ml of blood diluted with a medium was slowly layered on each centrifuge tube so as not to disturb the liquid level. Centrifugation was performed for 15 minutes at a rotation speed of 1,800 rpm, a centrifugation temperature of 20 ° C., and a brake off (centrifuge: manufactured by Kokusan Co., Ltd .: H-700R).

遠心後、吸引機により無菌的に遠沈管内のリンパ球層の約1cm上までリンパ球細胞を吸い取らないように上層液をゆっくり吸い取った。5mlピペットマンで血餅の層を吸い取らないようにリンパ球細胞の層を取り、これをあらかじめ、洗浄用培地(RPMI1640+6)(500ml、株式会社日研生物医学研究所製:GM1106)25mlを入れておいた50ml遠沈管内に回収した。遠沈管の蓋を閉め2〜3回転倒混和した後、回転数1800rpm、遠心分離温度20℃の状態で10分間遠心した。上清みを捨て、細胞沈渣をボルテックスにかけて良くほぐした。  After centrifuging, the upper layer solution was sucked up slowly with an aspirator so as not to suck up lymphocytes as much as about 1 cm above the lymphocyte layer in the centrifuge tube. Take a lymphocyte cell layer with a 5 ml pipetman so as not to suck the clot layer, and put 25 ml of a washing medium (RPMI1640 + 6) (500 ml, manufactured by Nikken Biomedical Research Institute Co., Ltd .: GM1106) in advance. It was collected in a 50 ml centrifuge tube. The centrifuge tube was closed and the mixture was mixed by inversion 2-3 times, followed by centrifugation for 10 minutes at a rotation speed of 1800 rpm and a centrifugation temperature of 20 ° C. The supernatant was discarded and the cell sediment was vortexed and loosened well.

遠沈管中に培地(RPMI1640+6)44mlに35,000U/ml IL−2(カイロン社製)1mlと、ヒト血清5mlを含む培養用培地(以下、単に「培養用培地」と略す)と合わせて50mlを注入して転倒混和し、細胞懸濁液を調製した。この細胞懸濁液10μlをチューブ(輸入発売元:アシスト株式会社:72.690)にとり、これを40μlのチュルク液(武藤化学薬品社製)と混和し、血球計算板(エルマー社製:9731)に10μlをのせ、顕微鏡下で細胞数を計数した結果、その細胞数は1.0×10〜7.0×10個だった。50 ml of culture medium (hereinafter simply referred to as “culture medium”) containing 1 ml of 35,000 U / ml IL-2 (manufactured by Chiron) and 5 ml of human serum in 44 ml of medium (RPMI1640 + 6) in a centrifuge tube Was mixed by inversion and a cell suspension was prepared. Take 10 μl of this cell suspension in a tube (imported distributor: Assist Co., Ltd .: 72.690), mix it with 40 μl of Turku liquid (Muto Chemical Co., Ltd.), and obtain a hemocytometer (Elmer Co .: 9731). As a result of placing 10 μl on the cells and counting the number of cells under a microscope, the number of cells was 1.0 × 10 7 to 7.0 × 10 7 .

(2)〔OKT3固相化フラスコの調製〕
PBS(−)で5μg/mlに調製しておいたOKT3(輪入発売元:ヤンセン協和株式会社、製造元:オーソファーマスーティカル:OKT3注)溶液を、底面積が225cmの培養用フラスコ(住友ベークライト株式会社製:MS−2080R)に10ml入れ、底面を溶液で均一に浸した。翌日、フラスコのOKT3溶液を吸引機で吸い取り、PBS(−)50mlをフラスコに注ぎ込みフラスコの蓋を閉めて激しく振った後、蓋を開けて液を捨てた。
(2) [Preparation of OKT3 solid-phase flask]
OKT3 (Yamasen Kyowa Co., Ltd., manufacturer: Orsoh Musical: OKT3 Note) solution prepared to 5 μg / ml with PBS (−) was added to a culture flask (Sumitomo) with a bottom area of 225 cm 2. 10 ml was placed in Bakelite Co., Ltd. (MS-2080R), and the bottom surface was uniformly immersed in the solution. The next day, the OKT3 solution in the flask was sucked up with a suction machine, 50 ml of PBS (−) was poured into the flask, the flask was closed and shaken vigorously, and the lid was opened to discard the liquid.

再度、無菌的にPBS(−)50mlをフラスコに注ぎ込みフラスコの蓋を閉めて激しく振った後、蓋を開け、液を捨てた。フラスコ内と蓋に残っている液を吸引機で丁寧に吸い取り,OKT3固相化フラスコの調製を行った。  Again, aseptically, 50 ml of PBS (-) was poured into the flask, the flask was closed and shaken vigorously, the lid was opened, and the liquid was discarded. The liquid remaining in the flask and on the lid was carefully sucked with a suction device to prepare an OKT3 solid phase flask.

(3)〔リンパ球の活性化培養〕
前記(1)において調製した細胞懸濁液50mlを(2)において調製したOKT3固相化フラスコに分注し、37℃、5%濃度の炭酸ガス存在下において培養を行なった。3日後、培養用培地50mlを加え、37℃、5%濃度の炭酸ガス存在下において培養を行なった。さらに4日後、培養用培地150mlを加え、37℃、5%濃度炭酸ガス存在下において培養を行なった。さらに2日間、37℃、5%濃度炭酸ガス存在下において培養を行なうことにより活性化リンパ球2.0×10〜7.0×10個を得た。
(3) [Activation culture of lymphocytes]
50 ml of the cell suspension prepared in the above (1) was dispensed into the OKT3 solid phase flask prepared in (2) and cultured in the presence of carbon dioxide gas at 37 ° C. and 5% concentration. Three days later, 50 ml of the culture medium was added and cultured at 37 ° C. in the presence of 5% carbon dioxide gas. Four more days later, 150 ml of a culture medium was added, and the culture was carried out at 37 ° C. in the presence of 5% carbon dioxide gas. The cells were further cultured for 2 days at 37 ° C. in the presence of 5% concentration carbon dioxide to obtain 2.0 × 10 8 to 7.0 × 10 8 activated lymphocytes.

(4)〔リンパ球の増大培養〕
上記(3)で調製したリンパ球をCP−4(日研生物医学研究所)、KBM520B(コージンバイオ)あるいはAIM−V750mlを含むガス透過性培養バッグに移し、炭酸ガスインキュベーター(CDP−300A:ヒラサワ社)中で37℃、5%炭酸ガス雰囲気下で培養をおこなった。2日後、細胞を含むガス透過性バッグ(A−1000)と新たな培地を含むガス透過性培養バッグを無菌接合装置(テルモ社製)により連結し、両ガス透過性培養バッグ中の培地を良く混合した後、再度その結合を切除し、接合部分を無菌的にシールした後、37℃、5%炭酸ガス下で培養をおこなった。
(4) [Enhanced lymphocyte culture]
The lymphocytes prepared in (3) above were transferred to a gas permeable culture bag containing CP-4 (Nikken Biomedical Research Institute), KBM520B (Kohjin Bio) or AIM-V 750 ml, and a carbon dioxide incubator (CDP-300A: Hirasawa). Incubation was performed at 37 ° C. in a 5% carbon dioxide atmosphere. Two days later, the gas-permeable bag containing cells (A-1000) and the gas-permeable culture bag containing a new medium were connected by a sterile joining apparatus (manufactured by Terumo), and the medium in both gas-permeable culture bags was improved After mixing, the bond was cut again, the joint was aseptically sealed, and cultured at 37 ° C. under 5% carbon dioxide gas.

さらに2日後、同様にして培養中のガス透過性培養バッグ2バッグと、新たな培地を含むガス透過性培養バッグ2バッグを用いて均一に細胞を分散させた培地を含む4つのガス透過性バッグを作成して培養をおこなった。さらに2日後、細胞を含む4つのガス透過性バッグと新たなガス透過性バッグとを用いて均一に細胞を分散させた培地を含む6つのガス透過性バッグを作成して培養をおこなった。  Two more days later, four gas permeable bags containing medium in which cells were uniformly dispersed using two gas permeable culture bags in culture and two gas permeable culture bags containing new medium. Was prepared and cultured. Two more days later, six gas permeable bags containing a medium in which cells were uniformly dispersed were prepared using four gas permeable bags containing cells and a new gas permeable bag, and cultured.

(5)〔投与用製剤の調製〕
その2日後に、上記のうち3〜6バッグのガス透過性バッグの中の細胞を含む培地を250ml遠心管(コーニング社製)に移し、遠心により細胞の分離をおこなった。デカンテーションにより培養液を除去し、細胞ペレットに生理食塩水を加え、細胞を再懸濁し、遠心分離により細胞の洗浄操作をおこなった。さらに再度同様の洗浄操作をおこなうとともに、上記生理食塩水に代えて0.1%のヒトアルブミンを含む生理食塩水により洗浄操作をおこなって細胞ペレットを調整した。
(5) [Preparation of preparation for administration]
Two days later, the medium containing cells in 3 to 6 gas-permeable bags was transferred to a 250 ml centrifuge tube (manufactured by Corning), and the cells were separated by centrifugation. The culture solution was removed by decantation, physiological saline was added to the cell pellet, the cells were resuspended, and the cells were washed by centrifugation. Further, the same washing operation was performed again, and the cell pellet was prepared by washing with a physiological saline containing 0.1% human albumin instead of the physiological saline.

さらに上記細胞ペレットに2%のヒトアルブミンを含む生理食塩水200mlを加えて懸濁し、これを100μmのセルストレーナーにてろ過後、輸血用のバッグに詰めて投与用製剤とした。なおこの場合の輸血用バッグに含まれる細胞数は、6〜20×10個であった。Furthermore, 200 ml of physiological saline containing 2% human albumin was added to the cell pellet and suspended, and this was filtered with a 100 μm cell strainer and then packed in a transfusion bag to obtain a preparation for administration. In this case, the number of cells contained in the blood transfusion bag was 6 to 20 × 10 9 .

(6)〔投与用製剤の投与〕
上記(5)で調製した投与用製剤を、(1)で採血を行なった被験者に対して静脈より注入投与した。被験者の健康状態を観察しながら、適宜活性化リンパ球を調製して適当と思われる時期に繰り返し投与した。
(6) [Administration of dosage form]
The preparation for administration prepared in (5) above was infused and administered intravenously to the subjects who had collected blood in (1). While observing the health condition of the test subject, activated lymphocytes were appropriately prepared and repeatedly administered at a time considered appropriate.

(7)〔DHEA−S量の測定〕
上記(1)において採血した血液より一部を取りおいてDHEA−S測定用サンプルとした。血液中のDHEA−S量は、検査機関に依頼してこれを測定した。
(7) [Measurement of DHEA-S amount]
A part of the blood collected in (1) above was removed and used as a sample for DHEA-S measurement. The amount of DHEA-S in the blood was measured by requesting an inspection organization.

被験者として胃がんの患者で治療を受けて完全寛解したヒトより採血し末梢血50mlを得た。本末梢血を上記実施例1の手続(1)および(2)に基づいて処理をし、リンパ球を得た。次に上記実施例1の手続(3)および(4)にしたがってリンパ球を増殖活性化した。増殖活性化したリンパ球は上記実施例1の(5)にしたがって投与用製剤とし、さらに本投与用製剤を完全寛解した被験者に投与した。なおこのとき上記のごとく採取した末梢血の一部を取りおいてDHEA−S測定用のサンプルとした。また、2回目以降の投与の場合は、リンパ球投与前に採血を行いDHEA−Sの測定を行った。  Blood was collected from a human who had undergone treatment in a gastric cancer patient as a test subject, and 50 ml of peripheral blood was obtained. The peripheral blood was processed based on the procedures (1) and (2) of Example 1 to obtain lymphocytes. Next, lymphocytes were proliferated and activated according to procedures (3) and (4) of Example 1 above. The proliferated and activated lymphocytes were prepared as a preparation for administration according to (5) of Example 1 above, and further administered to a subject who had completely remissioned this preparation for administration. At this time, a part of the peripheral blood collected as described above was taken as a sample for DHEA-S measurement. In the case of the second and subsequent administrations, blood was collected before lymphocyte administration, and DHEA-S was measured.

DHEA−Sを定量したところ、その結果は以下の通りであった。

Figure 0005561845
上記表1のごとく、血中DHEA−S濃度は、投与開始と共に経時的に上昇した。When DHEA-S was quantified, the results were as follows.
Figure 0005561845
As shown in Table 1 above, the blood DHEA-S concentration increased with time with the start of administration.

被験者として健常人(70才男性)より採血して末梢血50mlを得た。本末梢血を上記実施例1の手続(1)および(2)に基づいて処理をし、リンパ球を得た。次に上記実施例1の手続(3)および(4)にしたがってリンパ球を増殖活性化した。増殖活性化したリンパ球は上記実施例1の(5)にしたがって投与用製剤とし、さらに本投与用製剤を採血した被験者本人に投与した。なおこのとき上記(7)のごとく採取した末梢血の一部を取りおいてDHEA−S測定用のサンプルとした。  Blood was collected from a healthy person (70-year-old male) as a test subject to obtain 50 ml of peripheral blood. The peripheral blood was processed based on the procedures (1) and (2) of Example 1 to obtain lymphocytes. Next, lymphocytes were proliferated and activated according to procedures (3) and (4) of Example 1 above. The proliferated and activated lymphocytes were made into a preparation for administration according to (5) of Example 1 above, and further administered to the subject who collected the preparation for administration. At this time, a part of the peripheral blood collected as described in (7) above was taken and used as a sample for DHEA-S measurement.

DHEA−Sを定量したところ、その結果は以下の通りであった。

Figure 0005561845
When DHEA-S was quantified, the results were as follows.
Figure 0005561845

上記した表2のごとく、血中DHEA−S濃度は投与開始と共に上昇したことより、繰り返し投与によりDHEA−S濃度が上昇することが確信できた。  As shown in Table 2 above, since the blood DHEA-S concentration increased with the start of administration, it was confirmed that the DHEA-S concentration increased with repeated administration.

Claims (2)

被験者より採取したリンパ球を固相化した抗CD3抗体及びインターロイキン2を含む培養液中で培養を行うことにより増殖活性化させた自己由来リンパ球を主成分としたDHEA−Sの経年減少を阻止するための製剤。   Decreases aging of DHEA-S mainly composed of autologous lymphocytes activated by culturing in a culture medium containing anti-CD3 antibody and interleukin 2 in which lymphocytes collected from a subject are immobilized. Formulation to prevent. 被験者よりリンパ球を採取する工程と、採取したリンパ球を固相化した抗CD3抗体及びインターロイキン2を含む培養液中で培養を行うことにより増殖活性化させる工程と、培養増殖活性化させたリンパ球を製剤化する工程とからなる自己由来リンパ球を主成分としたDHEA−Sの経年減少を阻止するための製剤の製造方法。

A step of collecting lymphocytes from a subject, a step of activating proliferation by culturing the collected lymphocytes in a culture solution containing an anti-CD3 antibody and interleukin 2 solid-phased, and culturing and activating the lymphocytes. The manufacturing method of the formulation for preventing the aging of the DHEA-S which has as a main component the self-derived lymphocyte which consists of the process of formulating a lymphocyte.

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