JP2006502080A - 腫瘍由来樹状細胞阻害因子アンタゴニストおよびToll様レセプターアゴニストの併用を使用する、癌を処置するための方法 - Google Patents
腫瘍由来樹状細胞阻害因子アンタゴニストおよびToll様レセプターアゴニストの併用を使用する、癌を処置するための方法 Download PDFInfo
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Abstract
Description
本発明は、疾患状態(特に癌)の処置における、樹状細胞(DC)の操作および活性化のための方法に関する。
樹状細胞(DC)は、生得的免疫応答および適応的免疫応答を開始および調節することにおいて、重要な役割を果たす(Banchereauら、1998、Nature 392:245−252)。癌に関して、樹状細胞は、腫瘍抗原をサンプリングおよび提示し得、そして腫瘍特異的細胞傷害性T細胞をプライムし得る(Chiodoniら、1999、J.Exp.Med.190:125−133)。さらに、樹状細胞は、抗腫瘍免疫応答において役割を果たすサイトカインであるインターロイキン−12(IL−12)、腫瘍壊死因子α(TNFα)およびインターフェロンα(IFNα)の重要な供給源であり得る(Banchereauら、1998、Nature 392:245−252)。従って、近年、研究者らは、癌の処置におけるDCの活性を調査しようと試みてきた(例えば、Mehta−Damaniら、1994,J.Immunology 153:996−1003;Hsuら、1996,Nature Medicine 2:52;Murphyら、1996,The Prostate 29:371;Mehta−Damaniら、1994,J.Immunology 153:996−1003;Dallalら、2000,Curr.Opin.Immunol.12:583−588;Zeidら、1993,Pathology 25:338;Furihaton ら、1992,61:409;Tsujitaniら、1990,Cancer 66:2012;Gianniら、1991,Pathol.Res.Pract.187:496;Murphyら、1993,J.Inv.Dermatol.100:3358を参照のこと)。
本発明は、腫瘍浸潤樹状細胞の活性化を促進することによる、癌のような疾患に対する免疫治療のための材料および方法を提供することによって、上記の必要性を満たす。IL−10アンタゴニストとTLR−9アゴニストとの併用投与は、有効な癌治療であることが現在発見されている。従って、本発明は、癌を処置する方法を提供し、この方法は、有効量のTLRアゴニストと組み合わせて、有効量の腫瘍由来DC阻害因子アンタゴニストを、このような処置を必要とする個体に投与する工程を包含する。
本明細書中に引用される全ての参考文献は、その全体が参考として援用される。
用語「腫瘍由来DC阻害因子アンタゴニスト」は、腫瘍浸潤DCにおいて不応状態を誘導する腫瘍由来因子の作用をブロックする任意の因子を包含する。このような腫瘍由来因子の例としては、IL−6、VEGF、CTLA−4、OX−40、TGF−β、プロスタグランジン、ガングリオシド、M−CSF、およびIL−10(Chouaibら、1997,Immunol Today 18 :493−497)が挙げられるが、これらに限定されない。
微生物由来のTLRのいくつかのアゴニスト(例えば、リポ多糖、ペプチドグリカン、フラジェリンおよびリポテイコ酸)が記載されている(Aderemら、2000,Nature 406:782−787;Akiraら、2001,Nat.Immunol.2:675−680)。これらのリガンドのいくつかは、TLRの異なるパターンを発現する異なる樹状細胞サブセットを活性化し得る(Kadowakiら、2001,J.Exp.Med.194:863−869)。従って、TLRアゴニストは、TLRアゴニスト特性を有する微生物剤の任意の調製物であり得る。例えば、ペニシリン殺傷連鎖球菌因子OK−432は、リポテイコ酸(TLR結合を通じてTh1サイトカインの産生を誘導し得る)を含む(Okamotoら、2000,Immunopharmacology 49:363−376)。以下の表1は、いくつかの公知のTLRリガンドを列挙する:
(表1)
(公知のTLRリガンド)
本発明の方法において有用である免疫刺激性ヌクレオチド配列の例としては、米国特許第6,218,371号;米国特許第6,194,388号;米国特許第6,207,646号;米国特許第6,239,116号およびPCT公開番号WO00/06588(University of Iowa);PCT公開番号WO01/62909;PCT公開番号WO01/62910;PCT公開番号WO01/12223;PCT公開番号WO98/55495;およびPCT公開番号WO99/62923(Dynavax Technologies Corporation)(これらの各々は、本明細書中に参考として援用される)に開示されたものが挙げられるが、これらに限定されない。
5’ X1X2CGX3X4 3’
ここで、CおよびGは、非メチル化であり、ここでX1X2は、GpT、GpG、GpA、ApA、ApT、ApG、CpT、CpA、CpG、TpA、TpT、およびTpGからなる群から選択されるジヌクレオチドであり、そしてX3X4は、TpT、CpT、ApT、TpG、ApG、CpG、TpC、ApC、CpC、TpA、ApAおよびCpAからなる群から選択されるジヌクレオチドであり、そしてここで少なくとも1つのヌクレオチドは、リン酸骨格改変を有する。細胞への取り込みを容易にするために、好ましいCpG含有免疫刺激性オリゴヌクレオチドは、サイズが8〜40塩基対の範囲にあるとして記載される。この式に入る免疫刺激性オリゴヌクレオチドは、本願発明の方法において有用である。
(表2)
(C26−6CK腫瘍浸潤樹状細胞は、骨髄由来樹状細胞に比較した場合、LPS+抗−CD40+IFNγの組み合わせに非応答性である)
この実施例において、本発明者らは、DC浸潤C26−6CK腫瘍が、混合された白血球反応(MLR)におけるIL−12産生能力またはIL−12刺激能力を、骨髄由来DC(図1)と比べて考慮する場合、LPS+IFNγ+抗−CD40抗体に対して応答しないことを示した。全ての腫瘍細胞培養を、10% FCS(Gibco−BRL)、1mM hepes(Gibco−BRL)、Gentallin(Schering−Plough,Union,NJ)、2×10−5M β−2 メルカプトエタノール (Sigma,St Louis,MO)を補充したDMEM(Gibco−BRL,Life Technologies,Paisley Park,Scotland)中で実施した。全ての細胞培養を、5% CO2で、湿潤化されたインキュベーター中で、37℃で実施した。C26結腸癌およびTSA乳腺癌は、Mario Colombo(Istituto Nazionale per lo Studio e la Cura dei Tumori,Milano,Italy)によって提供された。B16F0黒色種およびLL2肺癌腫を、American Type Culture Collection(LGC,Strasbourg,France)から得た。マウスケモカイン6Ckine/SLC/CCL21を安定して分泌するように操作されたC26−6CK細胞株は、本発明者らによって以前に記載された(Vicariら、2000,J.Immunol.165:1992−2000)。C26−6CK腫瘍由来のTIDCを、抗−CD11c磁気ビーズ(Myltenyi Biotec Gmbh,Germany)を使用して富化した。骨髄由来DCを、骨髄前駆体をGM−CSF(Schering−Plough,Union,NJ)およびTNFα(R & D Systems,Minneapolis,MN)と共に5日間培養することによって得た。活性化を、10ng/ml LPS(Sigma,St Louis,MO)、20ng/ml IFNγ(R & D Systems)および20μg/ml精製FKG45.5アゴニスト抗−CD40抗体(AG Rolink,Basel Institute for Immunology,Switzerlandからのある種の贈与物)を培養培地に添加することによって、一晩実施した。図1Aは、FACS(CD11c陽性細胞に対してゲートされた)によるMHCクラスII、CD40およびCD86の表面発現の分析を示す。図1Bは、20時間(Brefeldin Aと共に2.5時間インキュベーションすることを含む)後のCD11c+細胞によるIL−12p40の細胞内発現を示す。図1Cにおいて、LPS+IFNγ+抗−CD40で刺激された混合白血球反応TIDCまたは骨髄由来DCを照射し、そして一定数の富化された同種異系T細胞(3×105 T細胞)の存在下で変動数で5日間培養した。増殖を、培養の最後の18時間の間の放射性チミン取り込みによって測定した。図1Dは、LPS+IFNγ+抗−CD40で活性化後の、特異的ELISAによる培養上清のIL−12 p70の測定を示す。
(CpG 1668+抗−IL10R組み合わせは、C26−6CK腫瘍浸潤樹状細胞におけるIL−12およびTNFαを回復する)
この実施例において、本発明者らは、CpG 1668および抗−IL10R抗体の組み合わせ投与が、C26−6CK腫瘍浸潤樹状細胞においてIL−12およびTNFαを回復することを示した(図2)。
(CpG 1668+抗−IL10Rの組み合わせは、C26−6CK腫瘍浸潤樹状細胞においてMLR刺激能力を回復する)
この実施例において、本発明者らは、CpG 1668と抗−IL−10レセプター抗体との組み合わせた投与が、MLR刺激能力を回復することを示した。
(C26野生型由来の腫瘍浸潤樹状細胞および他の組織学的(histiological)性質由来の腫瘍は、LPS+IFNγ+抗−CD40に非応答性であるが、CpG 1668+抗−IL10Rに応答してIL−12を産生する)
この実施例は、C26野生型由来腫瘍浸潤樹状細胞および他の組織学的性質由来の腫瘍が、LPS+IFNγ+抗−CD40に非応答性であるが、CpG 1668+抗−IL10Rに応答してIL−12を産生することを示す。
(C26−6CK腫瘍モデルにおけるCpG1668+抗−IL10R抗体の治療効果)
1×105 C26−6CK腫瘍細胞を、7匹の8週齢雌マウスBALB/cの群において、0日目にs.c.で移植し、以下のように処置した:
10μgのCpG 1668細胞を、7日目、14日目、および21日目で、腫瘍周辺(腫瘍が小さすぎる場合)または腫瘍内に注射した。
(CpG 1668+抗−IL10R抗体のC26腫瘍モデルにおける治療効果)
5×104 C26腫瘍細胞を、7匹の8週齢雌マウスBALB/cの群において0日目で、s.c.移植し、以下のように処置した:
5μgのCpG 1668を、7日目、14日目、および21日目に腫瘍内に注射した。
(B16F0黒色腫モデルにおけるCpG1668+抗−IL10R抗体の治療効果)
5×104 B16F0腫瘍細胞を、7匹の8週齢雌マウスC57BL/6の群において、0日目にs.c.で移植し、以下のように処置した:
5μgのCpG 1668細胞を、7日目、14日目、および21日目で、腫瘍内に注射した。
C26−6CK腫瘍由来の腫瘍浸潤DCは、抗−IL10抗体とCpG 1668との組み合わせに応答してIL−12を産生し得る。
(骨髄由来DC活性化のC26腫瘍由来の上清による阻害を、抗−IL10Rおよび/またはインドメタシン(シクロオキシゲナーゼのインヒビター)によって回復し得る)
骨髄由来DCを、C26腫瘍由来の10%v/vの上清の存在下または非存在下で、5日間、骨髄前駆体をGM−CSFおよびTNFαと共に培養することによって得た。腫瘍上清を調製するために、BALB/cマウスにおいて皮下増殖した0.5cmのC26腫瘍を、切除し、切り刻み、次いで、10ml DMEM中で48時間培養した。得られた上清を、0.2μmで濾過し、使用の前に凍結した。この上清は、特異的ELISA(R&D Systems)によって決定されるように、0.25ng/mlのIL−10および50ng/mlのPGE2を含んだ。上清中のPGE2合成を阻害するために、シクロオキシゲナーゼのインヒビター(インドメタシン(Sigma))を、48h培養の間、1μg/mlで添加した。
(CpG 1668+インドメタシンのC26−6CK腫瘍モデルにおける治療効果)
5×104 C26−6CK腫瘍細胞を、7匹の6週齢雌マウスBALB/cの群において0日目で、s.c.移植し、以下のように処置した:
5μgのCpG 1668を、7日目、14日目、および21日目に腫瘍内に注射した。
Claims (31)
- 癌を処置する方法であって、該方法は、そのような必要のある個体に、有効量の腫瘍由来樹状細胞(DC)阻害因子アンタゴニストを、有効量のTLRアゴニストと組み合わせて投与する工程を包含する、方法。
- 請求項1に記載の方法であって、前記腫瘍由来DC阻害因子アンタゴニストが、IL−6アンタゴニスト、VEGFアンタゴニスト、CTLA−4アンタゴニスト、OX−40アンタゴニスト、TGF−Bアンタゴニスト、プロスタグランジンアンタゴニスト、ガングリオシドアンタゴニスト、M−CSFアンタゴニスト、およびIL−10アンタゴニストからなる群より選択される、方法。
- 前記腫瘍由来DC阻害因子アンタゴニストが、IL−10アンタゴニストである、請求項2に記載の方法。
- 前記IL−10アンタゴニストが、IL−10のアンタゴニストおよびIL−10レセプターのアンタゴニストからなる群より選択される、請求項3に記載の方法。
- 請求項4に記載の方法であって、前記IL−10アンタゴニストが、以下:
a)組換え体;
b)天然のリガンド;
c)低分子;
d)抗体または抗体フラグメント;
e)アンチセンスヌクレオチド配列;あるいは
f)可溶性IL−10レセプター分子、
である、方法。 - 前記抗体が、モノクローナル抗体である、請求項5に記載の方法。
- 前記抗体が、抗IL−10Rモノクローナル抗体である、請求項6に記載の方法。
- 前記TLRアゴニストが、以下:
a)組換え体;
b)天然のリガンド;
a)免疫刺激性ヌクレオチド配列;
b)低分子;
c)精製された細菌抽出物;
d)不活性化された細菌調製物、
である、請求項1に記載の方法。 - 前記TLRアゴニストが、TLR−9のアゴニストである、請求項1に記載の方法。
- 前記TLRアゴニストが、免疫刺激性ヌクレオチド配列である、請求項9に記載の方法。
- 前記免疫刺激性ヌクレオチド配列が、CpGモチーフを含む、請求項10に記載の方法。
- 前記免疫刺激性ヌクレオチドが、CpG 2006(配列番号1)、CpG 2216(配列番号2)、AAC−30(配列番号3)、およびGAC−30(配列番号4)からなる群より選択される、請求項11に記載の方法。
- 前記免疫刺激性ヌクレオチド配列が、ホスホロチオネート−改変のような構造改変によって安定化される、請求項10に記載の方法。
- 前記免疫刺激性ヌクレオチド配列が、カチオン性リポソームにカプセル化される、請求項10に記載の方法。
- 前記腫瘍由来DC阻害因子アンタゴニストが、抗IL−10Rモノクローナル抗体であり、そして前記TLRアゴニストがCpG 2006(配列番号1)である、請求項1に記載の方法。
- 請求項1に記載の方法であって、該方法が、前記腫瘍由来DC阻害因子アンタゴニストおよび/またはTLRアゴニストを送達部位に持続放出させる物質を投与する工程をさらに包含する、方法。
- 前記腫瘍由来DC阻害因子アンタゴニストおよび/またはTLRアゴニストが、静脈内投与、腫瘍内投与、皮内投与、筋肉内投与、皮下投与または局所投与される、請求項1に記載の方法。
- 少なくとも1つの腫瘍関連抗原を投与する工程をさらに包含する、請求項1に記載の方法。
- 前記腫瘍関連抗原が、TLRアゴニストに連結する、請求項18に記載の方法。
- 請求項18に記載の方法であって、前記腫瘍関連抗原が、以下:Melan−A、チロシナーゼ、p97、β−HCG、GalNAc、MAGE−1、MAGE−2、MAGE−3、MAGE−4、MAGE−12、MART−1、MUC1、MUC2、MUC3、MUC4、MUC18、CEA、DDC、黒色腫抗原gp75、HKer 8、高分子量黒色腫抗原、K19、Tyr1およびTyr2、pMel 17遺伝子ファミリーのメンバー、c−Met、PSA、PSM、α−フェトプロテイン、甲状腺ペルオキシダーゼ、gp100、NY−ESO−1、p53ならびにテロメラーゼからなる群より選択される、方法。
- 請求項1に記載の方法であって、前記処置される癌が、以下:黒色腫、乳癌、膵臓癌、結腸癌、肺癌、神経膠腫、肝細胞癌、子宮内皮癌、胃癌、腸癌、腎臓癌、前立腺癌、甲状腺癌、卵巣癌、精巣癌、肝臓癌、頭部および頸部の癌、結腸直腸癌、食道癌、胃癌、眼の癌、膀胱癌、神経膠芽腫、ならびに転移性の癌腫からなる群より選択される、方法。
- 活性剤を投与する工程をさらに包含する、請求項1に記載の方法。
- 前記活性剤が、IFNα、TNFα、RANKリガンド/アゴニスト、CD40リガンド/アゴニストまたはTNF/CD40レセプターファミリーの別のメンバーのリガンド/アゴニストからなる群より選択される、請求項22に記載の方法。
- 血液樹状細胞の数を増加させるサイトカインを投与する工程をさらに包含する、請求項1に記載の方法。
- 前記樹状細胞増殖因子が、FLT3−L、GM−CSFおよびG−CSFからなる群より選択される、請求項24に記載の方法。
- 樹状細胞上で活性なサイトカインを腫瘍に送達する工程をさらに包含する、請求項1に記載の方法。
- 請求項26に記載の方法であって、前記ケモカインが、以下:CCL21、CCL3、CCL20、CCL16、CCL5、CCL25、CXCL12、CCL7、CCL8、CCL2、CCL13、CXCL9、CXCL10およびCXCL11からなる群より選択される、方法。
- 前記ケモカインが、ケモカインまたはその生物学的に活性なフラグメントもしくはその改変体および標的化部分を含む標的化構築物を用いて前記腫瘍に送達される、請求項26に記載の方法。
- 請求項28に記載の方法であって、前記標的化部分が、以下:
a)少なくとも10個のアミノ酸のペプチド;
b)タンパク質;
c)低分子;
d)ベクター;および
e)抗体またはそのフラグメント、
からなる群より選択される、方法。 - 前記腫瘍由来DC阻害因子アンタゴニストおよび/またはTLRアゴニストが、互いに連結する、請求項1に記載の方法。
- 前記腫瘍由来DC阻害因子アンタゴニストおよび/またはTLRアゴニストが、腫瘍関連抗原にさらに連結される、請求項30に記載の方法。
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JP2009274004A Division JP2010053140A (ja) | 2001-11-27 | 2009-12-01 | 腫瘍由来樹状細胞阻害因子アンタゴニストおよびToll様レセプターアゴニストの併用を使用する、癌を処置するための方法 |
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JP2013535508A (ja) * | 2010-08-13 | 2013-09-12 | ベイラー リサーチ インスティテュート | 抗体付きアジュバントを抗原提示細胞に直接的に標的化することをベースにした新規ワクチンアジュバント |
JP2018521011A (ja) * | 2015-05-29 | 2018-08-02 | ダイナバックス テクノロジーズ コーポレイション | 肺のがんを処置するためのポリヌクレオチドのToll様受容体9アゴニストの肺内投与 |
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WO2003045431A3 (en) | 2004-01-22 |
WO2003045431A2 (en) | 2003-06-05 |
HUP0500999A2 (en) | 2007-11-28 |
AU2002359516B2 (en) | 2006-02-02 |
CN1617742A (zh) | 2005-05-18 |
US20090087440A1 (en) | 2009-04-02 |
ZA200404113B (en) | 2006-03-29 |
JP2006131638A (ja) | 2006-05-25 |
US20030138413A1 (en) | 2003-07-24 |
MXPA04004998A (es) | 2005-04-08 |
EP1450858A2 (en) | 2004-09-01 |
NZ565420A (en) | 2009-09-25 |
NO20042697L (no) | 2004-06-25 |
BR0214457A (pt) | 2006-11-21 |
JP2010053140A (ja) | 2010-03-11 |
CA2468320A1 (en) | 2003-06-05 |
AU2002359516A1 (en) | 2003-06-10 |
CN1617742B (zh) | 2010-10-27 |
TW200303759A (en) | 2003-09-16 |
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