JPH07145062A - Synovial cell proliferation suppressant and therapeutic agent for chronic articular pheumatism - Google Patents

Synovial cell proliferation suppressant and therapeutic agent for chronic articular pheumatism

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Publication number
JPH07145062A
JPH07145062A JP30426893A JP30426893A JPH07145062A JP H07145062 A JPH07145062 A JP H07145062A JP 30426893 A JP30426893 A JP 30426893A JP 30426893 A JP30426893 A JP 30426893A JP H07145062 A JPH07145062 A JP H07145062A
Authority
JP
Japan
Prior art keywords
vitamin
cells
synovial
therapeutic agent
cell proliferation
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.)
Pending
Application number
JP30426893A
Other languages
Japanese (ja)
Inventor
Megumi Higaki
惠 檜垣
Takeshi Sakane
剛 坂根
Yutaka Mizushima
裕 水島
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
L T T KENKYUSHO KK
Original Assignee
L T T KENKYUSHO KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by L T T KENKYUSHO KK filed Critical L T T KENKYUSHO KK
Priority to JP30426893A priority Critical patent/JPH07145062A/en
Publication of JPH07145062A publication Critical patent/JPH07145062A/en
Pending legal-status Critical Current

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Abstract

PURPOSE:To obtain the subject safe and effective suppressant containing at least one kind selected from vitamin D3 and its derivatives. CONSTITUTION:This synovial proliferation suppressant comprises at least one kind selected from vitamin D3 and its derivatives. Vitamin D3, which is the main component constituting vitamin Ds found in foods such as fish liver, fish meat, butter or yolk, is isolated from these foods. Also, vitamin D3, when taken in vivo, is metabolized into activated type 1,25-hydroxycholecalciferol and exhibits physiological activity. The therapeutic agent for chronic articular pheumatism contains this preparation as active ingredient. The does of this therapheutic agent is >=0.0125-1.0mug a day per adult in terms of vitamin D3 or its derivative.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、滑膜細胞増殖抑制剤及
び慢性関節リウマチ治療剤に関する。
TECHNICAL FIELD The present invention relates to a synovial cell proliferation inhibitor and a therapeutic agent for rheumatoid arthritis.

【0002】[0002]

【従来の技術】慢性関節リウマチ(rheumatoid arthrit
is)は、関節滑膜を炎症の主座とし、軟骨や骨の破壊を
引き起こす原因不明の慢性疾患である。慢性関節リウマ
チの滑膜組織には、リンパ球浸潤、血管新生とともに滑
膜細胞の増殖を伴う滑膜表層の重層化が認められる。軟
骨、骨に浸潤するパンヌスと呼ばれる肉芽組織では、マ
クロファージ様のA型滑膜細胞とともに線維芽細胞様の
B型滑膜細胞の増殖が著明である。
BACKGROUND OF THE INVENTION Rheumatoid arthritis
is a chronic disease of unknown cause that causes destruction of cartilage and bone, with joint synovium as the main site of inflammation. In the synovial tissue of rheumatoid arthritis, stratification of the synovial surface layer accompanied by proliferation of synovial cells is observed along with lymphocyte infiltration and angiogenesis. In granulation tissue called pannus that infiltrate cartilage and bone, proliferation of macrophage-like A type synovial cells and fibroblast-like B type synovial cells is remarkable.

【0003】一方、滑膜局所からは種々のサイトカイン
が検出され、血管増生、好中球,活性化T細胞,マクロ
ファージという炎症細胞の走化,集積、B細胞の抗体産
生、骨吸収による関節破壊などの組織障害に加えて、滑
膜細胞増殖にこれらのサイトカインが働くと考えられ
る。
On the other hand, various cytokines are detected locally in the synovium, and vascular hyperplasia, neutrophils, activated T cells, chemotaxis and accumulation of inflammatory cells such as macrophages, antibody production of B cells, and joint destruction by bone resorption. These cytokines are thought to act on synovial cell proliferation in addition to tissue damage such as.

【0004】以上の知見から、滑膜細胞の増殖を阻害す
ることができれば、慢性関節リウマチの対症的な治療が
可能になると考えられる。しかしながら、滑膜細胞の増
殖を抑制する物質はほとんど知られておらず、わずかに
ステロイド系の薬剤が高濃度で抑制作用を有することが
知られているが、その作用は十分でなく、副作用等の問
題もあって、実用的な治療方法は知られていないのが現
状である。
From the above findings, it is considered that symptomatic treatment of rheumatoid arthritis will be possible if the growth of synovial cells can be inhibited. However, almost no substance that suppresses the proliferation of synovial cells is known, and it is known that steroidal drugs have an inhibitory effect at a slightly high concentration, but the effect is not sufficient, and side effects, etc. Due to this problem, no practical treatment method is known at present.

【0005】ところで、ビタミンD3はコレカルシフェ
ロールとも呼ばれ、魚類の肝、魚肉、バター、卵黄等の
食品中に含まれるビタミンDを構成する主要な成分であ
り、摂取されると小腸、腎、骨等の標的器官に運ばれ
て、カルシウム代謝に関与するタンパクの合成を促進
し、生理活性を発現することが知られている。この生理
活性としては、小腸粘膜上皮細胞へのカルシウム、リン
酸の吸収促進、腎の尿細管上皮細胞へのカルシウム、リ
ン酸の再吸収促進、骨での骨塩の動員促進、類骨組織の
石灰化等が知られており、これらの生理作用によって、
生体のカルシウム及びリンの代謝平衡の維持を行ってい
る。
By the way, vitamin D 3 is also called cholecalciferol, and is a main component constituting vitamin D contained in foods such as fish liver, fish meat, butter and egg yolk, and when ingested, small intestine and kidney. It is known that it is transported to target organs such as bone and promotes the synthesis of proteins involved in calcium metabolism and expresses physiological activity. This physiological activity includes promotion of absorption of calcium and phosphate into the small intestinal mucosal epithelial cells, promotion of reabsorption of calcium and phosphate into renal tubular epithelial cells of the kidney, promotion of mobilization of bone mineral in bone, and bone formation of osteoid tissue. Calcification and the like are known, and by these physiological actions,
It maintains the metabolic balance of calcium and phosphorus in the body.

【0006】また、ビタミンD3は単球の前駆細胞に対
して増殖を抑制し、マクロファージへの分化を促進する
こと(Abe,E., et al., Proc.Natl.Acad.Sci.USA,78,49
90-4994,1981、Hozumi,M., Adv.Cancer Res.,38,121-16
9,1983、Suda,T.,et al., inVitamin D, Basic and Cli
nical Aspects (ed. by Kumar,R), Martinus Nijhoff P
ublishing,p.343-363,1984)が知られている。さらに、
最近、抗腫瘍効果が知られるようになり、ビタミンD3
を主成分とする薬剤が開発されている。しかしながら、
ビタミンD3が滑膜細胞に対してどのような作用を有す
るかについては知られていない。
[0006] Vitamin D 3 suppresses proliferation of monocyte progenitor cells and promotes differentiation into macrophages (Abe, E., et al., Proc. Natl. Acad. Sci. USA, 78,49
90-4994,1981, Hozumi, M., Adv.Cancer Res., 38,121-16
9,1983, Suda, T., et al., InVitamin D, Basic and Cli
nical Aspects (ed. by Kumar, R), Martinus Nijhoff P
ublishing, p.343-363, 1984) is known. further,
Recently, antitumor effect has become known, and vitamin D 3
Drugs based on are being developed. However,
It is not known what effect vitamin D 3 has on synovial cells.

【0007】[0007]

【発明が解決しようとする課題】上記のように、現状で
は慢性関節リウマチの実用的な治療方法は知られておら
ず、有効な治療薬が望まれている。本発明は、かかる観
点からなされたものであり、有効かつ安全な滑膜細胞増
殖抑制剤及び慢性関節リウマチの治療剤を提供すること
を課題とする。
As described above, at present, a practical treatment method for rheumatoid arthritis is not known, and an effective therapeutic drug is desired. The present invention has been made from such a viewpoint, and an object thereof is to provide an effective and safe synovial cell proliferation inhibitor and a therapeutic agent for rheumatoid arthritis.

【0008】[0008]

【課題を解決するための手段】本発明者は、上記課題を
解決するために鋭意研究を行った結果、ビタミンD3
びその誘導体が滑膜細胞の増殖を抑制する作用を有する
ことを見いだし、本発明に至った。
As a result of intensive studies to solve the above problems, the present inventor has found that vitamin D 3 and its derivatives have an action of suppressing the proliferation of synovial cells, The present invention has been completed.

【0009】すなわち本発明は、ビタミンD3及びその
誘導体から選ばれる1種又は2種以上からなる滑膜細胞
増殖抑制剤、及びこの滑膜細胞増殖抑制剤を有効成分と
して含有する慢性関節リウマチ治療剤である。以下、本
発明を詳細に説明する。
That is, the present invention provides a synovial cell proliferation inhibitor comprising one or more selected from vitamin D 3 and its derivatives, and treatment of rheumatoid arthritis containing the synovial cell proliferation inhibitor as an active ingredient. It is an agent. Hereinafter, the present invention will be described in detail.

【0010】<1>滑膜細胞増殖抑制剤 本発明の滑膜細胞増殖抑制剤は、ビタミンD3及びその
誘導体から選ばれる1種又は2種以上からなる。ビタミ
ンD3は、魚類の肝、魚肉、バター、卵黄等の食品中に
含まれるビタミンDを構成する主要な成分であり、これ
らの食品から単離することができる。さらに、ビタミン
3の誘導体も同様に本発明に使用することができる。
<1> Synovial Cell Growth Inhibitor The synovial cell growth inhibitor of the present invention comprises one or more selected from vitamin D 3 and its derivatives. Vitamin D 3 is a main component constituting vitamin D contained in foods such as fish liver, fish meat, butter and egg yolk, and can be isolated from these foods. Furthermore, it can be used likewise present invention derivatives of vitamin D 3.

【0011】また、ビタミンD3は、体内に摂取される
と活性化型の1,25−ジヒドロキシコレカルシフェロ
ールに代謝されて生理活性を発揮する。本発明において
は、上記ビタミンD3の誘導体とはこのような活性化型
も含み、さらに、これらの生理学上許容される塩も包含
される。
When ingested in the body, vitamin D 3 is metabolized into activated 1,25-dihydroxycholecalciferol to exert physiological activity. In the present invention, the above-mentioned derivative of vitamin D 3 also includes such an activated form, and further includes physiologically acceptable salts thereof.

【0012】ビタミンD3の誘導体としては、例えば化
1で表されるST−630等が挙げられる。ST−63
0は、ビタミンD作用が強い活性化型ビタミンD3誘導
体として知られている(M.Inaba et al., Arch. Bioche
m. Biophys. 258, 421-425,1987)。
Examples of the vitamin D 3 derivative include ST-630 represented by Chemical formula 1 and the like. ST-63
0 is known as an activated vitamin D 3 derivative having a strong vitamin D action (M. Inaba et al., Arch. Bioche
m. Biophys. 258, 421-425, 1987).

【0013】[0013]

【化1】 [Chemical 1]

【0014】上記の化合物のうち、1,25−ジヒドロ
キシコレカルシフェロールは市販されているので、それ
を使用してもよい。また、ST−630は、大正製薬株
式会社及び住友製薬株式会社から入手できる。
Of the above compounds, 1,25-dihydroxycholecalciferol is commercially available and may be used. ST-630 can be obtained from Taisho Pharmaceutical Co., Ltd. and Sumitomo Pharmaceutical Co., Ltd.

【0015】<2>慢性関節リウマチ治療剤 本発明の慢性関節リウマチ治療剤は、上記滑膜細胞増殖
抑制剤を有効成分として含有するものであり、滑膜細胞
増殖抑制剤以外に、薬剤学的に許容される担体を基剤と
して用いてもよい。担体としては、具体的には、結晶性
セルロース、ゼラチン、乳糖、澱粉、植物性および動物
性脂肪および油、ガム、ポリアルキレングリコール等が
挙げられる。この場合、製剤全量に対するビタミンD3
及びその誘導体の配合量は、10-4〜10-7重量%が好
ましい。
<2> Therapeutic Agent for Rheumatoid Arthritis The therapeutic agent for rheumatoid arthritis of the present invention contains the above synovial cell proliferation inhibitor as an active ingredient, and other than synovial cell proliferation inhibitor, it is pharmaceutically An acceptable carrier may be used as a base. Specific examples of the carrier include crystalline cellulose, gelatin, lactose, starch, vegetable and animal fats and oils, gums, polyalkylene glycols and the like. In this case, vitamin D 3 based on the total amount of the preparation
The compounding amount of the derivative and its derivative is preferably 10 −4 to 10 −7 wt%.

【0016】また、本発明の治療剤は、経口、経腸また
は経静脈投与による製剤のいずれの製剤も適用できる。
具体的剤型としては、錠剤、カプセル剤、散剤、顆粒
剤、シロップ剤、座薬、軟膏剤等、さらには関節腔内注
入剤などの注射剤等が挙げられる。
Further, the therapeutic agent of the present invention can be applied to any preparation which is orally, enterally or intravenously administered.
Specific dosage forms include tablets, capsules, powders, granules, syrups, suppositories, ointments, and injections such as intra-articular cavity injections.

【0017】さらに、本発明の慢性関節リウマチ治療剤
は、ビタミンD3及び/又はその誘導体以外の医薬であ
って混和できるもの、例えばデンプン、マンニトール、
乳糖等の賦形剤、カルボキシメチルセルロースナトリウ
ム、ヒドロキシプロピルセルロース等の結合剤、結晶セ
ルロース、カルボキシメチルセルロースカルシウム等の
滑沢剤、軽質無水ケイ酸等の流動性向上剤等を適宜組み
合わせてを含んでいてもよい。
Further, the therapeutic agent for rheumatoid arthritis of the present invention is a medicine other than vitamin D 3 and / or its derivative, which is miscible, for example, starch, mannitol,
It contains an appropriate combination of excipients such as lactose, sodium carboxymethyl cellulose, binders such as hydroxypropyl cellulose, crystalline cellulose, lubricants such as calcium carboxymethyl cellulose, and fluidity improvers such as light anhydrous silicic acid. Good.

【0018】本発明の治療剤の投与量は、年齢及び患者
の症状等によっても異なるが、通常は、ビタミンD3
び/又はその誘導体の量として、成人1日当り0.01
25〜1.0μg以上であり、好ましくは0.125〜
0.5μgである。この範囲で使用することにより、所
期の効果が期待でき、上記範囲の量を1日1〜3回に分
けて投与するのが好ましい。また、関節腔内注入剤は、
水性懸濁注射液として用い、投与間隔は2〜4週間とす
るのが好ましい。
Although the dose of the therapeutic agent of the present invention varies depending on the age and the symptoms of the patient, it is usually 0.01 as an amount of vitamin D 3 and / or its derivative per adult per day.
25 to 1.0 μg or more, preferably 0.125 to
It is 0.5 μg. By using in this range, the desired effect can be expected, and it is preferable to administer the dose in the above range in 1 to 3 times per day. In addition, the intra-articular cavity injection is
It is used as an aqueous suspension injection, and the administration interval is preferably 2 to 4 weeks.

【0019】[0019]

【実施例】以下に、本発明の実施例を説明する。EXAMPLES Examples of the present invention will be described below.

【0020】[0020]

【製造例1】 錠剤 (組成) ビタミンD3及び/又はその誘導体 1μg 乳糖 140g 結晶セルロース 25g トウモロコシ澱粉 25g 3%ヒドロキシプロピルセルロース水溶液 100ml ステアリン酸マグネシウム 2g[Production Example 1] Tablet (composition) Vitamin D 3 and / or its derivative 1 μg Lactose 140 g Crystalline cellulose 25 g Corn starch 25 g 3% Hydroxypropylcellulose aqueous solution 100 ml Magnesium stearate 2 g

【0021】(製法)ビタミンD3及び/又はその誘導
体に、乳糖、結晶セルロース及びトウモロコシ澱粉を6
0メッシュのふるいで篩過し、均一に混合した後、練合
機に投入し、3%ヒドロキシプロピルセルロース水溶液
を注加して練合する。ついで、16メッシュのふるいで
造粒し、50℃で送風乾燥する。乾燥後、16メッシュ
のふるいを通して整粒を行い、ステアリン酸マグネシウ
ムを混合し、打錠機で重量薬200mgの錠剤にする。
(Production method) Lactose, crystalline cellulose and corn starch were added to vitamin D 3 and / or its derivative in 6 parts.
After sieving through a 0 mesh sieve and mixing uniformly, the mixture is put into a kneading machine, and a 3% hydroxypropylcellulose aqueous solution is added to knead. Then, the mixture is granulated with a 16-mesh sieve and blow-dried at 50 ° C. After drying, the mixture is sieved through a 16-mesh sieve, mixed with magnesium stearate, and made into tablets with a weight of 200 mg by a tableting machine.

【0022】[0022]

【製造例2】 カプセル剤 (組成) ビタミンD3及び/又はその誘導体 0.5μg 乳糖 148g コーンスターチ 50g ステアリン酸マグネシウム 1.5g[Production Example 2] Capsule (composition) Vitamin D 3 and / or its derivative 0.5 μg Lactose 148 g Corn starch 50 g Magnesium stearate 1.5 g

【0023】(製法)上記成分を細かく粉末にし、均一
な混合物になるように十分撹拌した後、これを0.2g
づつゼラチンカプセルに充填し、カプセル剤とする。
(Production method) The above components were finely pulverized and sufficiently stirred so as to form a uniform mixture, and 0.2 g of this mixture was added.
Each is filled in a gelatin capsule to make a capsule.

【0024】[0024]

【製造例3】 水性懸濁剤 (組成) ビタミンD3及び/又はその誘導体 1μg カルボキシメチルセルロースナトリウム 35mg ポリソルベート80 25mg ベンジルアルコール 70mg 注射用精製水 (全体として)100ml[Production Example 3] Aqueous suspension (composition) Vitamin D 3 and / or its derivative 1 μg Sodium carboxymethyl cellulose 35 mg Polysorbate 80 25 mg Benzyl alcohol 70 mg Purified water for injection 100 ml (as a whole)

【0025】(製法)上記成分を半量の注射用精製水に
撹拌しながら加え、十分撹拌した後、残りの半量の注射
用精製水を加えて再び撹拌する。約1時間撹拌後、1m
lの容量に充填し、関節注入用の水性懸濁剤とする。
(Manufacturing Method) The above components are added to half of the purified water for injection with stirring, and after sufficiently stirring, the remaining half of the purified water for injection is added and stirred again. After stirring for about 1 hour, 1m
Fill in a volume of 1 to make an aqueous suspension for joint injection.

【0026】(本発明の滑膜細胞増殖抑制剤の評価) <1>滑膜細胞増殖抑制作用 慢性関節リウマチ患者8人(患者1〜8)及び変形性関
節症患者2人(患者9、10)について、膝関節置換術
時に得られた生検滑膜より滑膜細胞を調製し、この細胞
を用いて本発明の滑膜細胞増殖抑制剤の評価を行った。
(Evaluation of Synovial Cell Proliferation Inhibitor of the Present Invention) <1> Synovial Cell Proliferation Inhibitory Action 8 rheumatoid arthritis patients (patients 1 to 8) and 2 osteoarthritis patients (patients 9 and 10) For), synovial cells were prepared from the biopsy synovium obtained during knee joint replacement surgery, and the synovial cell growth inhibitor of the present invention was evaluated using the cells.

【0027】(1)使用した細胞 滑膜細胞は次のようにして調製した。TKR(Total kn
ee replacement)手術によって得た患者の膝関節滑膜の
脂肪部を除去し、組織を細かく切削した後、組織細胞分
散酵素溶液ディスパーゾル(Dispersol:collagenase/D
Nase, IBL社)で、37℃、1時間酵素処理を行っ
て、滑膜細胞を分散させた。
(1) Used cells Synovial cells were prepared as follows. TKR (Total kn
ee replacement) After removing the fat part of the synovium of the knee joint of the patient obtained by surgery and finely cutting the tissue, the tissue cell dispersed enzyme solution Dispersol (collagenase / D)
Nase, IBL) was used for enzyme treatment at 37 ° C. for 1 hour to disperse synovial cells.

【0028】分散させた細胞を、メッシュに通し単一細
胞にした後、RPMI−1640培地で洗滌した。得ら
れた細胞懸濁液をフィコール(株式会社ナカライ製)を
用いた濃度勾配に重層、遠心分離することにより単核球
分画を回収した。これを再び洗滌した後、無血清培地
(1% ITS Premix(コラボレイティブ リサ
ーチ社製)添加RPMI−1640培地)に、4×10
5個細胞/mlとなるように懸濁した。
The dispersed cells were passed through a mesh to form a single cell, which was then washed with RPMI-1640 medium. The cell suspension thus obtained was layered and centrifuged in a concentration gradient using Ficoll (manufactured by Nakarai Co., Ltd.) to collect a mononuclear cell fraction. This was washed again, and then added to serum-free medium (RPMI-1640 medium supplemented with 1% ITS Premix (Collaborative Research)) at 4 × 10 4.
The cells were suspended at 5 cells / ml.

【0029】一方、コントロールには、ヒト線維芽細胞
株としてWI38細胞及びトランスフォームしたWI3
8細胞VA13株、ウサギ滑膜細胞株としてHig82
細胞を用いた。
On the other hand, as controls, WI38 cells as human fibroblast cell line and transformed WI3 cells were used.
8-cell VA13 strain, Hig82 as rabbit synovial cell line
Cells were used.

【0030】(2)滑膜細胞増殖に対するビタミンD3
及びその誘導体の影響 5〜8回継代した滑膜細胞を、20%ウシ血清アルブミ
ン、100μg/mlペニシリン/ストレプトマイシ
ン、100μM L−グルタミンを含むRPMI164
0培地に、2×105個/mlとなるように懸濁し、9
6ウエルプレートに100μlづつ播種した。同時に、
10-6〜10-11Mの種々の濃度の活性化型ビタミンD3
(1,25-シ゛ヒト゛ロキシコレカルシフェロール)あるいはST630を添
加した。
(2) Vitamin D 3 for proliferation of synovial cells
And the effect of its derivative Synovial cells that had been passaged 5 to 8 times were treated with RPMI164 containing 20% bovine serum albumin, 100 µg / ml penicillin / streptomycin, and 100 µM L-glutamine.
Suspend at 2 × 10 5 cells / ml in 0 medium, and
100 μl of each was seeded on a 6-well plate. at the same time,
Activated vitamin D 3 at various concentrations from 10 −6 to 10 −11 M
(1,25-Dichtoyloxycholecalciferol) or ST630 was added.

【0031】48時間後に、1μCi/ウエルの
3H]−サイミジン(70Ci/mmol)を加え、
16時間後に細胞に取り込まれた3Hの放射活性を液体
シンチレーションカウンタで測定した。尚、培養中に浮
遊細胞はほとんど認められず、トリパンブルー染色によ
ってもほとんどの細胞が死滅していないことが確認され
た。
After 48 hours, 1 μCi / well of [ 3 H] -thymidine (70 Ci / mmol) was added,
The radioactivity of 3 H incorporated into cells after 16 hours was measured by a liquid scintillation counter. Floating cells were hardly observed in the culture, and it was confirmed that most of the cells were not killed by trypan blue staining.

【0032】各種濃度で活性化型ビタミンD3及びST
630を添加したときに滑膜細胞に取り込まれた3Hの
放射活性の、ビタミンD3あるいはST630を添加し
なかったときの放射活性に対する割合(%)を、図1に
示す。
Activated vitamin D 3 and ST at various concentrations
FIG. 1 shows the ratio (%) of the radioactivity of 3 H incorporated into synovial cells when 630 was added to the radioactivity when vitamin D 3 or ST630 was not added.

【0033】また、表1に、50%増殖阻害濃度(IC
503Hの取り込みが、活性化型ビタミンD3及びST6
30を加えなかったときの取り込みの50%となるとき
の濃度)、及び活性化型ビタミンD3及びST630を
加えなかったときの取り込みを示す。
Table 1 shows the 50% growth inhibitory concentration (IC
50 : 3 H uptake results in activated vitamin D 3 and ST6
(Concentration at which it becomes 50% of the uptake without addition of 30), and uptake without the activated vitamin D 3 and ST630 are shown.

【0034】[0034]

【表1】 [Table 1]

【0035】以上の結果から、本発明に用いるビタミン
3及びその誘導体は、ほとんどの患者の滑膜細胞の増
殖に対して抑制作用があることが明らかである。また、
この抑制作用は、特に慢性関節リウマチ患者の滑膜細胞
に対して低濃度で働く。さらに、線維芽細胞系には増殖
抑制作用をほとんど示さない。
From the above results, it is clear that vitamin D 3 and its derivatives used in the present invention have an inhibitory effect on the proliferation of synovial cells of most patients. Also,
This inhibitory action works at a low concentration particularly on synovial cells of patients with rheumatoid arthritis. Furthermore, it shows almost no growth inhibitory effect on fibroblast cell lines.

【0036】<2>サイトカイン抑制作用 上記と同様にして調製した慢性関節リウマチ患者の滑膜
細胞を、種々の濃度の活性型ビタミンD3(10-9〜1
-7)を含む20%血清含有RPMI培地で2日間培養
した。3日目に同濃度の活性型ビタミンD3を含む無血
清培地に交換した後、10μg/mlLPSを添加し、
その24時間後に培地を含む細胞を3回凍結−融解して
細胞を破砕した。これを遠心分離して上清を得た。
<2> Cytokine inhibitory action Synovial cells of patients with rheumatoid arthritis prepared in the same manner as above were treated with various concentrations of active vitamin D 3 (10 -9 to 1).
The cells were cultured in RPMI medium containing 20% serum containing 0-7) for 2 days. On the 3rd day, the medium was exchanged with a serum-free medium containing the same concentration of active vitamin D 3 , and then 10 μg / ml LPS was added,
24 hours later, the cells containing the medium were freeze-thawed three times to disrupt the cells. This was centrifuged to obtain a supernatant.

【0037】上記のようにして得られた上清のインター
ロイキン1β(IL−1β)を、抗IL−1βモノクロ
ーナル抗体を用いたELISA(enzyme-linked immuno
sorbent assay)キット(大塚アッセイ製)で定量し
た。上記患者4で得られた結果を図2に示す。
The interleukin 1β (IL-1β) in the supernatant obtained as described above was subjected to ELISA (enzyme-linked immuno) using an anti-IL-1β monoclonal antibody.
sorbent assay) kit (manufactured by Otsuka assay). The results obtained for Patient 4 above are shown in FIG.

【0038】この結果から、ビタミンD3が滑膜細胞に
おけるIL−1βの産生量を抑制することが明らかであ
り、この作用からも滑膜細胞の増殖及び活性化を抑制す
るものと考えられる。
From these results, it is clear that vitamin D 3 suppresses the production of IL-1β in synovial cells, and it is considered that this action also suppresses the proliferation and activation of synovial cells.

【0039】[0039]

【発明の効果】本発明の滑膜細胞増殖抑制剤は、滑膜細
胞に特異的に増殖抑制効果を有するので、これを含有す
る慢性関節リウマチ治療剤は、慢性関節リウマチの治療
に有効であると期待される。
EFFECTS OF THE INVENTION Since the synovial cell proliferation inhibitor of the present invention has a proliferation inhibitory effect specifically on synovial cells, a therapeutic agent for chronic rheumatoid arthritis containing the same is effective for treating rheumatoid arthritis. Is expected.

【図面の簡単な説明】[Brief description of drawings]

【図1】 活性化型ビタミンD3又はその誘導体存在下
での滑膜細胞の増殖を示す図。
FIG. 1 shows proliferation of synovial cells in the presence of activated vitamin D 3 or its derivative.

【図2】 活性化型ビタミンD3によるIL−1βの抑
制を示す図。
FIG. 2 is a view showing suppression of IL-1β by activated vitamin D 3 .

【符号の説明】[Explanation of symbols]

図中、VD3は、活性化型ビタミンD3を表す。In the figure, VD3 represents the activated vitamin D 3.

Claims (2)

【特許請求の範囲】[Claims] 【請求項1】 ビタミンD3及びその誘導体から選ばれ
る1種又は2種以上からなる滑膜細胞増殖抑制剤
1. A synovial cell proliferation inhibitor comprising one or more selected from vitamin D 3 and its derivatives.
【請求項2】 請求項1記載の滑膜細胞増殖抑制剤を有
効成分として含有する慢性関節リウマチ治療剤。
2. A therapeutic agent for rheumatoid arthritis containing the synovial cell proliferation inhibitor according to claim 1 as an active ingredient.
JP30426893A 1993-09-29 1993-12-03 Synovial cell proliferation suppressant and therapeutic agent for chronic articular pheumatism Pending JPH07145062A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP30426893A JPH07145062A (en) 1993-09-29 1993-12-03 Synovial cell proliferation suppressant and therapeutic agent for chronic articular pheumatism

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP24311893 1993-09-29
JP5-243118 1993-09-29
JP30426893A JPH07145062A (en) 1993-09-29 1993-12-03 Synovial cell proliferation suppressant and therapeutic agent for chronic articular pheumatism

Publications (1)

Publication Number Publication Date
JPH07145062A true JPH07145062A (en) 1995-06-06

Family

ID=26536106

Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

Country Link
JP (1) JPH07145062A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005089800A1 (en) * 2004-03-17 2005-09-29 Locomogene, Inc. PHARMACEUTICAL COMPOSITION CONTAINING hsHRD3
JP2017525719A (en) * 2014-08-18 2017-09-07 シルべストリ、 ファブリツィオ デ Use of minocycline, acycloguanosine, atorvastatin and vitamin D in a single pill, tablet or capsule in the treatment of rheumatoid arthritis

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005089800A1 (en) * 2004-03-17 2005-09-29 Locomogene, Inc. PHARMACEUTICAL COMPOSITION CONTAINING hsHRD3
JP2017525719A (en) * 2014-08-18 2017-09-07 シルべストリ、 ファブリツィオ デ Use of minocycline, acycloguanosine, atorvastatin and vitamin D in a single pill, tablet or capsule in the treatment of rheumatoid arthritis

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