JPH08500106A - Hla結合性ペプチド及びその用途 - Google Patents
Hla結合性ペプチド及びその用途Info
- Publication number
- JPH08500106A JPH08500106A JP6505592A JP50559294A JPH08500106A JP H08500106 A JPH08500106 A JP H08500106A JP 6505592 A JP6505592 A JP 6505592A JP 50559294 A JP50559294 A JP 50559294A JP H08500106 A JPH08500106 A JP H08500106A
- Authority
- JP
- Japan
- Prior art keywords
- residues
- peptide
- conserved
- hla
- residue
- 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.)
- Granted
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- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
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Abstract
Description
A +一次抗体2μg/ml(BB7.2,ATCC)又は(9.12.1,Inserm-CNRS,Marseille,Fra nce)又は(LB3.1,Childrens's Hospital Pittsburgh)を加えた。ネガティブな コントロールを常に加えておいた。細胞を氷の上で20分インキュベートし、そし てPBS CMF +0.1%のBSAで2回洗った。細胞を100μlの抗−マウスIgG FITCコ ンジュゲート(Sigma)の中に再懸濁し、PBSCMF+0.1%の BSAの中に1:50で希 釈し、そして氷の上で20minインキュベートした。細胞をPBS CMF +0.1%の BSAで2回洗い、そしてFACScan(Becton Dickinson)分析のために PBSの中に再 懸濁した。分析を後日に延期する必要があるとき、細胞を PBS/1%のパラホル ムアルデヒド(Fisher)で固定し、そして1週間以内に分析した。 完全細胞及び放射性ラベル化ペプチドを用いる結合性アッセイ。JY細胞をクエ ン酸−リン酸バッファー及び中和バッファー#1で上記の通りに処理した。JYコ ントロール細胞は組織培養培地の中で未処理のままとしておいた。処理後、両細 胞集団を無血清RPMIで2回洗い、そして125I−放射性ラベル化941.01(HBC 15- 27)ペプチド(標準クロラミンTヨウ素化)を負荷した。結合特異性を決定する ため、2×106 の細胞を 125I−941.01(105 cpms)±100μgの未ラベル941.0 1を含む200μlの中和バッファー#2(上記)の中に再懸濁した。細胞を20℃で 4hrインキュベートし、そして無血清 RPMIで2回洗って遊離ペプチドを除去した。細胞を 200μlの無血清RPMIに再懸 濁した。マイクロ遠沈管の中で、細胞懸濁物を 800μlの FCSの上に載せ、そし て5秒の遠心によりペレットにした。上清液をアスピレート除去し、そしてペレ ットの中に残っている放射活性を測定した(Micromedic自動ガンマーカウンター 、1min/チューブ)。実施例15 温和な酸処理によるクラスI MHC分子ペプチドストリップ/負荷。 グリシン又はクエン酸−リン酸バッファーの如きの温和なpH3の酸性溶液が、 内生ペプチドを同定及び腫瘍肉連T細胞エピトープを同定するために様々なグル ープにより利用されている。この処理は、MHC クラスI分のみが不安定化され( そしてペプチドが放出され)、MHC クラスII分子を含むその他全ての表層抗原は 完全のままとなっている点で固有である。最も重要には、本実施例の温和な酸溶 液による細胞の処理が細胞の生存性及び代謝状態に影響しないことにある。この 温和な処理は迅速であり、なぜなら内生ペプチドのストリップは4℃で2分にお いて起こり、そして APCは適当なペプチドを負荷した後にその機能を発揮する用 意が整っているからである。本例においては、我々は一次抗原−特異的 CTLの発 生のためにペプチドを APCに対して特異的にする技術を利用する。得られる APC はペプチド特異的CD8+CTL を誘発するのに有効である。 FACS分析による測定。PHA−誘発化T−細胞ブラストを実施例15記載の方法に 従って酸ストリップ/ペプチドを負荷した。得られる細胞を抗−HLA−A2(BB7.2 )及び抗−HLA アルファー鎖−特異的(9.12.1)モノクローナル抗体を用いてFA CS分析のために染めた。この実験のためのコントロールは、pH3では処理してい ない(しかしpH7.2の PBSバッファーで処理した)細胞集団と、クエン酸−リ ン酸バッファーでは処理したが(MHCを除去するため)、β2 ミクログロブリン 及びペプチドの非存在下で中和した細胞とを含む。図15に示す結果は、これらの 細胞のクエン酸−リン酸(pH3)バッファーによる処理が、両方の抗−HLA クラ スI抗体単独(抗-HLA-A2及びアルファー鎖特異性)に対する細胞の反応性を有 意に下げるが(10分の1)、クラスII MHC分子(抗-HLA-DR)に特異的なモノク ローナル抗体に対しての反応性は下げないことを示唆する。最も重要には、β2 ミクログロブリン及びペプチドの存在下での酸ストリップ細胞の中和は蛍光強度 において 2.5分の1の低下のみを保って、有意な量のクラスI MHC抗体−反応 性部位の保存をもたらすことになる。重要には、この酸処理細胞は、トリパンブ ルー排出及び前進/後退FACSスキャッター分析により測定される通り、生存し続 ける。同様の結果が EBV形質転換B細胞系、新鮮(又は凍結)PBMC)、及びその 他のペプチド(HLA-A2.1又はHLA-A1)のいづれかと結合するもの)を用いて得ら れた(データーは示さず)。 エンプティーな MHC分子に対する放射性ラベル化ペプチドの結合。低温インキ ュベーション又は酸ストリップ/ペプチド負荷プロトコールを利用するペプチド 負荷の効率を決定するため、JY細胞(HLA-A2.1 EBV−形質転換B細胞系)を26℃ で一夜プレインキュベートするか、又は酸ストリップに付して内性 MHC結合化ペ プチドを除去し、そして外生ペプチドの負荷を 125I−放射性ラベル化HLA-A2.1 結合性ペプチドを用いて決定した。この反応の特異性を、同じ配列の寒冷ペプチ ドを用いてラベル化ペプチドの結合の阻害を測定することにより決定した。表24 bに示す結果は、細胞の酸処理が、JY細胞に対するラベル化ペプチドの結合量を 有意に(約10倍)高めることを示した。更に、ラベル化ぺプチドの結合は寒冷ペ プチドの添加により完全にブロックされ、特異的な結合を示した(データーは示 さず)。 酸ストリップ/ペプチド負荷APCSを用いる一次抗原特異的 CTLのインビトロ誘 発。低温インキュベーション及び酸ストリッププロトコールの両者を利用する一 次 CTLの誘発のための追加の臨界的なパラメーターは:1)応答細胞集団中のCD 8+T−細胞の富化(又はCD4+T−細胞の枯渇)、2)0日目由来の CTL誘発培 養に対するrIL-7の添加、及び3)ペプチドをパルスした自己接着細胞を用いて の12〜14日目での抗原によるこの培養物の再刺激;である。図16及び17に示す結 果は、PBMC及び PHA−誘発化T細胞ブラストの APCとして用いて行った実験を示 している。図18は APCとして PHA誘発化T−細胞ブラストを用いる実験を示し、 一方、図19は APCとしてのPBMCの利用を示す。実施例16 CTLエピトープを同定するためのペプチドのスクリーニング CTLエピトープを同定するために、CTLを APCとしての SAC-I活性化PBMCにより 刺激した。クラスIβ−2ミクログロブリン複合体が不安定である MHCの低温発 現を酸ストリップに加えて利用してPBMC APCを作った。 完全培養培地。本研究において用いた組織培養培地は、RPMI1640とヘペス及び L−グルタミン(Gibco)とより成り、2mMのL−グルタミン(Irvine Scientif ic)、0.5mMのピルビン酸ナトリウム(Gibco)、100U/100μg/mlのペニシリ ン/ストレプトマイシン(Irvine)及び5%の熱不活性化AB型ヒト血清(RPMI/ 5%のHS;Gemini Bioproducts)が添加されている。EBV−形質転換系の増殖に 用いる培養培地はヒト血清の代わりに10%の熱不活性化胎児牛血清(RPMI/10% のFCS,Irvine)を含む。 サイトカイン。組換ヒトインターロイキン−2(rIL-2)及びインターロイキ ン−4(rIL-4)をSandozより入手し、そしてそれぞれ10 U/ml及び10ng/mlの最終濃度で使用した。ヒトインターロイキン−2(IFN-2 )及び組換ヒトインターロイキン−7(rIL-7)をGenzymeより入手し、そしてそ れぞれ20U/ml及び10ng/mlで使用した。 ペプチド。ペプチドは Cytelで合成し、そして表24aに記載してある。ペプチ ドを 100%のDMSOの中に20mg/mlに通常に希釈し、小分けし、そして使用するま で−70℃で保存した。 細胞系。JY、スタインリン、EHM、BVR及びKT3はそれぞれHLAA2.1,A1,A3,A11及 びA24を発現するホモ接合ヒト EBV−形質転換B細胞系である。これらはRPMI/1 0%の FCSの中で増殖する。RPMI/10%の FCSの中で増殖させたNK細胞感受性の 赤芽球系K562を CTLアッセイにおけるバックグランド殺傷を低下するために使 用した。MAGE抗原を発現するmel397及び mel 938、又はMAGE抗原を発現しないme l888のいづれかの黒色腫細胞系もRPMI/10%のFCSの中で増殖させた。 末梢血液単核細胞の単離(PBMCs)。全血をヘパリン含有シリンジの中に集め 、そして50ccのチューブの中で1600RPM(Beckman GS-6KD)で15分遠心した。次 いで血漿層を除去し、そして10mlのバッフィーコートをピペットで円運動を利用 して集めた。このバッフィーコートをよく混合し、そして等容量のRPMIで希釈し た。次にこのバッフィーコート(30ml)を20mlのフィコルーパク(Pharmaci a)の上に載せ、そしてブレーキをオフにして1850RPM(400g)で20分、25℃で 遠心した。フィコルもPBMC含有血漿との界面を分注ピペットで回収し(50mlのチ ューブ当り2界面)、そして50mlのRPMIで3回洗った(1700,1500及び1300RPMで 10分)。細胞を10〜20mlの培養培地に再懸濁し、計測し、そして適当な濃度に調 整した。 PBMCの凍結。3千万の細胞/チューブ(90%のFCS/10%のDMSO;Sigma)を、 ィソプロパノール(Fisher)を含むNalgene Cryo 1℃ 凍結用容器に挿入し、そして−70℃で4hr(最短)〜一夜(最)放置した。イソ プロパノールは5回毎に交換した。チューブを液体窒素に長期保存のために移し 入れた。融解のため、PBMCを37℃の湯浴の中で最後の結晶がほぼ融解するまで連 続振盪した(チューブはそれ以上は湯浴又は室温で放置しなかった)。細胞を30 μg/mlのDNase を含む無血清RPMIに希釈して死んだ細胞 DNAによる凝塊を防ぎ 、次いで2回洗った。 APCとしての SAC-I活性化PBMCを用いる一次 CTLの誘発 a.APCの調製:PBMCを標準のフィコル−パク プロトコールを用いて精製し 、そして0.005%のパンソービン(Pansorbin)細胞(プロテインAを発現する S AC-I細胞;Calbiochem)、20μg/mlのImmunobeads(ウサギ抗−ヒト IgM;Bio rad)及び20ng/mlのヒト rIL-4を含むRPMI/5%の FCSの中に1×106/mlで再 懸濁した。ウェル当り2mlの細胞を24穴プレート(Falcon,Becton Dickinson) の中でプレートし、そして37℃で培養した。3日後、培地を除去し、そして細胞 を3回洗い、次いでRPMI/10%のHSを加えた。細胞はRPMI/10%のHSの中で更に 2日間培養した後に用いた。 b.APCの表層上でのエンプティーなクラスI分子の発現及びAPCのペプチド負 荷。 1.低温インキュベーション: a.APCにおけるエンプティーな MHCの発現:APCを、10ng/mlのrIL-4,20U/ mlのヒト IFN-2及び3μg/mlのβ2 −ミクログロブリン(β2 m;Scripps L ab)を含む完全培養培地の中で2×106/mlの濃度に調整した。これらの細胞を 次に5%のCO2 の存在下で26℃で一夜インキュベートした。これらの細胞はエン プティーな状態でわずかなクラスI分子しか発現しないことに注目すべきである (≒10%)。 b.APC刺激細胞のペプチド負荷: エンプティーなクラスIを発現するAPC を無血清RPMI(+L−グルタミン及び ヘペス)で1〜2回洗い、そして全部で50μg/mlのペプチドプール(即ち、3 プールにおいては16.7μg/mlづつのペプチド;2プールにおいては25μg/ml づつのペプチド;単一プールにおいては50μg/mlづつのペプチド)、30μg/ mlの DNAse及び3μg/mlのβ2 mを含む無血清RPMIの中に1×107 に再懸濁し た。20℃で4時間のインキュベーション後、これらの細胞を6100radsで照射し( 5×106/ml;2千5百万細胞/チューブ)、洗い、そして誘発培養物への添加 のために適当な濃度に調整した(下記参照)。 2.酸ストリップ:これは APCの表層上にエンプティーな MHCを作り上げるた めの別の方法として利用した。SAC-I活性化PBMCを1%の BSAを含む低温の 0.9 %の塩化ナトリウム(J.T.Baker)の中で1回洗った。その細胞を1%の BSA及 び3μg/mlのβ2mを含む低温クエン酸−リン酸バッファー(0.13MのL−ア スコルビン酸(J.T.Baker)、0.06Mのリン酸ナトリウムモノベース(Sigma), pH3)の中で107 /mlに再懸濁し、そして氷上でインキュベートした。2分後、 5容量の1%の BSA、3μg/mlのβ2m及び10μg/mlのペプチドを含む低温 の0.15Mのリン酸ナトリウムモノベースpH7.5(中和バッファー#1)を加え、 そして細胞を 1500RPMで5分4℃で遠心した。その細胞を、1%の BSA、30μg /mlの DNase、3μg/mlのβ2 ミクログロブリン及び50μg/mlのペプチドを 含む1mlの低温PBS(中和バッファー#2)に再懸濁し、そして20℃で4時間イ ンキュベートした。上記の通り、20℃で4時間のインキュベーション後、その細 胞を6100radsで照射し(5×106 /ml;2千5百万細胞/チューブ)、洗い、次 いで誘発培養物への添加のた めに適当な濃度に調整した(下記参照)。 c.CD4+枯渇PBMC応答細胞集団の調製(AISフラスコを利用するリンパ球サブ 集団の枯渇) AIS Micro Cellector T-150フラスコ(CD4+T細胞の枯渇のため に特製;Menlo Park,CA)を25mlのPBS/1mMのEDTAを加えることにより下準備し 、全ての表面が湿るように30秒攪拌し、次いで結合面を下にして室温で1時間イ ンキュベートした。このインキュベーション後、フラスコを30秒強く攪拌し、PB S/EDTAで1回、PBSで更に2回洗い、次いで25mlの培養培地と15分インキュベー トした。PBMCを30μg/mlの DNaseを含む無血清RPMI(+L−グルタミン+ヘペ ス)の中に融解し、1回洗い、そして培養培地の中で15分インキュベートした。 フラスコからの培養培地のアスピレーション後、1億8千万個までのPBMCを30μ g/mlのDNAse を含む25mlの培養培地に加えた。室温で1時間後、そのフラスコ を10秒ゆっくりとゆらして非接着細胞を再懸濁させた。CD8+T細胞を含む非接 着細胞懸濁物を集め、そしてそのフラスコを PBSで2回洗った。このCD4+T細 胞枯渇PBMCを遠心し、そして誘発培養物への添加のために計測した。CD4+枯渇 細胞集団のCD4+及びCD8+表現型をFACS分析により決定した(以下参照)。一般 に、この技術はCD8+T細胞の2倍富化をもたらし、CD4+T細胞枯渇を経て約40 〜50%のCD8+T細胞及び15〜20%の残留CD4+T細胞となる。CD4+T細胞の枯 渇は抗体及び補体又は抗体コート化磁性ビーズ(Dynabeads)によっても成し遂 げられうる。CD4+T細胞の枯渇はCTLpを富化する、及び細胞栄養素に関して競 合し、且つCTLp増殖を阻害しうる細胞を除去する目的を担う。 d.一次CTLの誘発。刺激 APCの4時間にわたるペプチド負荷の際、応答集団 として使用すべきCD4+枯渇PBMCをCD4+T細胞の枯渇にわたる(上記)CD8+T 細胞の選別のためにAISフラスコを利 用して調製した。この応答細胞を1mlの容量において3×106 /mlでプレートし (24穴プレート)、そしてペプチド負荷刺激 APCが調製されるまで37℃に入れて おいた。照射したペプチド負荷 APCを無血清RPMI(+L−グルタミン及びヘペス )で1回洗い、完全培地の中で1×106/mlに調整し、そして24穴プレートに1m l/プレートでプレート培養した。PBMCに関しては、1×106の刺激細胞(1ml容 量)を応答細胞含有ウェルの中でプレート培養した。SAC-I活性化PBMC及びPHAブ ラストに関しては、1mlの3×105 /mlの刺激細胞を各ウェルの中でプレート培 養した。10μg/mlの最終濃度の追加ペプチドを10ng/mlの最終濃度の rIL-7( 2mlの総容量)の他に加えた。7日目にて、更に10μg/mlの rIL-7をこの培養 物に加え、そしてその後3日毎に10U/mlの rIL-2を加えた。12日目において、 この培養物をペプチドパルスした接着細胞で再剌激し、そして7日後に細胞溶解 活性について試験した(以下)。 接着 APCを用いる一次 CTLの再刺激のためのプロトコール。PBMCを30μg/ mlの DNAseを含む無血清RPMI(+L−グルタミン及びヘペス)の中で融解し、2 回洗い、そして DNAseを含む培養培地の中で5×106/mlに調整した。PBMC(2 千5百万細胞/5mlのチューブ)を6100Rで照射した。1回の洗浄後、PBMCを培 養培地に再懸濁し、そして4×106/mlに調整した。1mlの照射PBMCを24穴プレ ートのウェル当りに加えた。このPBMCを37℃で2時間インキュベートし、非接着 細胞を除去するために3回洗い、そして0.5mlの容量において20μg/mlの全ペ プチド及び3μg/mlのβ2 ミクログロブリンを含む培地の中で培養し、そして 37℃で2時間インキュベートした。このペプチドをアスピレートし、そして培養 培地の中に再懸濁した1.5×106 の応答細胞を1mlの容量で加えた。2日後、20 U/mlの rIL-2を含む1mlの培養培地を加えた。 FACS分析。百万の細胞/チューブを遠心し、100μl/チューブにおいてPBS/ 0.1%のBSA/0.02%のアジ化ナトリウム(Sigma)と10μl/チューブの直接コ ンジュゲート化抗体(Becton Dickinson)の中に再懸濁し、そして氷の上で15〜 20分インキュベートした。次いで細胞をPBS/0.1%のBSA/0.02%のアジ化ナト リウムで2回洗い、そして PBSの中に再懸濁して FACScan(Beckton Dickinson )で分析した。サンプルを1〜2日以内で分析できないとき、細胞を1%のパラ ホルムアルデヒド(Fisher)を含む PBSで固定し、そして1週間以内に分析し た。 細胞障害アッセイ a.標的細胞の調製。CTLアッセイの約16〜20時間前に、標的細胞(クラスI 対合 EBV−形質転換系)を1回洗い、そして10μg/mlの全ペプチドの存在下又 は非存在下でRPMI/5%の FCSの中で3×105/mlにおいて10mlの容量に再懸濁 した。 b.標的細胞のラベリング:標的細胞を遠心し、そして200μl/チューブの クロム酸(51Cr)ナトリウム(NEN)の中に再懸濁し、次いで37℃で1時間シェ ーカー上でインキュベートした。標的をRPMI/10%の FCSで3回洗い(10ml/洗 浄)、そして10mlに再懸濁した(ラベリングの効率を決定するため、50μl/標 的をMicromedic自動ガンマーカウンターで計測した)。 c. CTLアッセイ。標的細胞を2×105/mlに合わせ、そして50μlの細胞培 養物をU底96穴プレート(Costar Corp.)の各ウェルに1×104/ウェルの最終 濃度で加えた。K562細胞を1回洗い、4×106/mlに再懸濁し、そして50μl/ ウェルを2×105/ウェルの最終濃度で加えた(寒冷K562、対、標的の比は20: 1)。応答細胞を1回洗い、9×106/mlで再懸濁し、そして90:1,30:1,1 0:1及び3:1のエフェクター、対、標的の比のために3倍 系列希釈を行った。応答細胞をデュプリケートウェルにおいて100μlの容量で 加えた。自発性放出のため、50μl/ウェルのラベル化標的細胞、50μl/ウェ ルのK562及び 100μl/ウェルの培地を加えた。最大放出のため、50μl/ウ ェルの標的、50μl/ウェルのK562 及び100μl/ウェルの0.1%Triton-X100 (Sigma)を加えた。プレートを 1200RPMで5分遠心した。37℃で5時間のイン キュベーション後、プレートを再び 1200RPMで5分遠心し、そして100μl/ウ ェルの上清液を回収した。標準ガンマー計測技術(Micrmedic自動ガンマーカウ ンター;0.5分/チューブ)を利用し、次式に従ってパーセント比溶解を決定し た:%比溶解=実験値cpm−自発放出 cpm/最大放出 cpm−自発放出cpm×100。 細胞障害アッセイ(CTLアッセイ)は、最も高い2つのエフェクター、対、標 的(E:T)の比での特異的なペプチドで感作した標的の CTLによる溶解がコン トロール標的(即ち、ペプチドなしの標的細胞)の溶解より15%大であるときに 陽性と考えた。細胞障害アッセイ(CTLアッセイ)は、最も高い2つのエフェク ター、対、標的(E:T)の比での特異的なペプチドで感作した標的の CTLによ る溶解がコントロール標的(即ち、ペプチドなしの標的細胞)の溶解より6%大 であるときボーダーラインにあると考えた。 d.結果。表示のアレルに結合するペプチドのうちで、49MAGEペプチドの9、 45 HIVペプチドの10、25HCVペプチドの3及び20HBVペプチドの2をインビトロで の誘発一次 CTLのデーターのために試験した。様々な免疫原ペプチドに対する C TL応答を示す代表的なグラフをMAGE(図22)、HIV(図23)、HCV(図24)及びHB V(図2)に関して示す。CTL誘発データーは、適当な MHCに結合し、そしてイン ビトロで一次 CTLを誘発する免疫原性ペプチドをリストしている表24にまとめた 。表示しているのはペプチドの配列、対応の抗原及 びそれが結合する HLAアレルである。図20に示す結果は、ペプチド感作標的及び 内生標的であって低温及びインキュベーション技術によりMAGE3ペプチド1044.07 を負荷したSAC-I活性化PBMCによる刺激を経たものの溶解を示す。図21は酸スト リップ負荷技術(パネルa)と低温インキュベーション技術(パネルb)との対 比を示す。 本発明のわかり易さのために具体例及び実施例により多少詳しく説明してきた が、所定の変更及び改良が本発明の範囲を逸脱することなくなせることが明らか であろう。
Claims (1)
- 【特許請求の範囲】 1.HLA-A3.2結合性モチーフを有する免疫原性ペプチドを含んで成り、ここで この免疫原性ペプチドは、約9〜約10の残基数を有し、且つN末端からC末端 にかけて、下記の残基、即ち、 L,M,I,V,S,A,T,F,C,G,D及びEより成る群から選ばれる 第一保存残基; 並びにK,R,Y,H及びFの第二保存残基、 を有しており、 ここでこの第一と第二保存残基は6〜7残基隔てられている、 組成物。 3.HLA-A1結合性モチーフを有する免疫原性ペプチドを含んで成り、ここでこ の免疫原性ペプチドは、約9〜約10の残基数を有し、且つN末端からC末端に かけて、下記の残基、即ち、 T,S及びMの第一保存残基;並びに D,E,A,S及びTの第二保存残基; Yの第三保存残基; を有しており、 ここでこの第一と第二保存残基は隣接し合い、そして第二と第三保存残基は5 又は6残基隔てられている、 組成物。 5.HLA-A1結合性モチーフを有する免疫原性ペプチドを含んで成り、ここでこ の免疫原性ペプチドは、約9〜約10の残基数を有し、且つN末端からC末端に かけて、下記の残基、即ち、 T,S及びMの第一保存残基;並びに Yの第二保存残基; を有しており、 ここで第一と第二保存残基は6〜7残基隔てられている、 組成物。 7.HLA-A1結合性モチーフを有する免疫原性ペプチドを含んで成り、ここでこ の免疫原性ペプチドは、約9〜約10の残基数を有し、且つN末端からC末端に かけて、下記の残基、即ち、 D,E,A,S及びTの第一保存残基;並びに Yの第二保存残基; を有しており、 ここで第一と第二保存残基は5〜6残基隔てられている、 組成物。 9.HLA-A11性モチーフを有する免疫原性ペプチドを含んで成り、ここでこの 免疫原性ペプチドは、約9〜約10の残基数を有し、且つN末端からC末端にか けて、下記の残基、即ち、 L,M,I,V,A,S,T,G,N,Q,C,F,D,Eの第一保存残基; 並びに K,R,Hの第二保存残基; を有しており、 ここで第一と第二保存残基は6〜7残基隔てられている、 組成物。 11.HLA-A24.1合性モチーフを有する免疫原性ペプチドを含んで成り、ここで この免疫原性ペプチドは、約9〜約10の残基数を有し、且つN末端からC末端 にかけて、下記の残基、即ち、 Y,F,Wの第一保存残基:並びに F,I,L,W,Mの第二保存残基; を有しており、 ここで第一と第二保存残基は6〜7残基隔てられている、 組成物。 13.HLA-A3.2結合性モチーフを有する免疫原性ペプチドを含んで成り、この免 疫原性ペプチドは7又は10残基数を有し: 第二位にある第一保存残基はA,I,L,M,T及びVより成る群から選ばれ ;そして C末端の位置にある第二保存残基はK及びRより成る群から選ばれ、 ここでこの第一と第二保存残基は6〜7残基隔てられている、 組成物。 14.HLA-A11 結合性モチーフを有する免疫原性ペプチドを含んで成り、ここで この免疫原性ペプチドは、9又は10の残基数を有し、且つN末端からC末端にか けて、下記の残基、即ち、 N末端から第二の位置にあるA,I,L,M,T及びVより成る群から選ばれ る第一保存残基;並びに C末端にあるKより成る群から選ばれる第二保存残基; を有しており、 ここで第一と第二保存残基は6〜7残基隔てられている、 組成物。 15.薬理学的に許容される担体とHLA-A3.2結合性モチーフを有する免疫原性ペ プチドとを含んで成る薬理組成物であって、ここでこの免疫原性ペプチドは約9 〜約10の残基数を有し、且つN末端からC末端にかけて、下記の残基、即ち、 L,M,I,V,S,A,T,F,C,G,D及びEより成る群から選ばれる 第一保存残基;並びに K,R及びYの第二保存残基; を有しており; ここで第一と第二保存残基は6〜7残基隔てられている、 薬理組成物。 16.薬理学的に許容される担体とHLA-A1結合性モチーフを有する免疫原性ペプ チドとを含んで成る薬理組成物であって、ここでこの免疫原性ペプチドは約9〜 約10の残基数を有し、且つN末端からC末端にかけて、下記の残基、即ち、 T,S及びMの第一保存残基;並びに D,E,A,S及びTの第二保存残基; Yの第三保存残基; を有しており; ここでこの第一と第二保存残基は1残基、そして第二と第三保存残基は5又は 6残基隔てられている、 薬理組成物。 17.薬理学的に許容される担体とHLA-A1結合性モチーフを有する免疫原性ペプ チドとを含んで成る薬理組成物であって、ここでこの免疫原性ペプチドは約9〜 約10の残基数を有し、且つN末端からC末端にかけて、下記の残基、即ち、 T,S又はMの第一保存残基;並びに Tyr の第二保存残基; を有しており; ここで第一と第二保存残基は6〜7残基隔てられている、 薬理組成物。 18.薬理学的に許容される担体とHLA-A1結合性モチーフを有する免疫原性ペプ チドとを含んで成る薬理組成物であって、ここでこの免疫原性ペプチドは約9〜 約10の残基数を有し、且つN末端からC末端にかけて、下記の残基、即ち、 D,E,S,T第一保存残基;並びに Yの第二保存残基; を有しており; ここで第一と第二保存残基は5〜6残基隔てられている、 薬理組成物。 19.薬理学的に許容される担体と HLA-A24.1結合性モチーフを有する免疫原性 ペプチドとを含んで成る薬理組成物であって、ここでこのペプチドは Y,F,Wの第一保存残基;並びに F,I,L,W又はmの第二保存残基; を有しており; ここでこの第一と第二保存残基は6〜7残基隔てられている、 薬理組成物。 20.免疫原性ペプチドを同定するための方法であって: 所定の MHCクラスIアレルによりエンコードされる MHC分子についての結合性 モチーフを決定する; 結合性モチーフの存在について抗原性タンパク質のアミノ酸配列をスクリーニ ングする; 結合性モチーフを有する抗原性タンパク質中の配列を選別する, 選別したサブ配列を含んで成る約8〜約11の残基数の試験ペプチドを調製する ; この試験ペプチドの、所定の MHCアレルに対して結合する能力及び CTL応答を 誘発する能力を決定し、これにより免疫原性ペプチドを同定する; 工程を含んで成る方法。
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- 1993-08-06 AU AU49989/93A patent/AU4998993A/en not_active Abandoned
- 1993-08-06 IL IL106610A patent/IL106610A0/xx unknown
- 1993-08-06 CA CA002141960A patent/CA2141960A1/en not_active Abandoned
- 1993-08-06 EP EP93919916A patent/EP0656788B1/en not_active Expired - Lifetime
- 1993-08-06 NZ NZ255683A patent/NZ255683A/en unknown
- 1993-08-06 DE DE69334076T patent/DE69334076D1/de not_active Expired - Lifetime
- 1993-08-06 WO PCT/US1993/007421 patent/WO1994003205A1/en active IP Right Grant
- 1993-08-06 EP EP06010437A patent/EP1704868A1/en not_active Withdrawn
- 1993-08-06 JP JP50559294A patent/JP3782100B2/ja not_active Expired - Fee Related
- 1993-08-06 SG SG1996005176A patent/SG52492A1/en unknown
- 1993-08-06 AT AT93919916T patent/ATE342730T1/de not_active IP Right Cessation
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1998
- 1998-04-16 AU AU61953/98A patent/AU6195398A/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
AU4998993A (en) | 1994-03-03 |
ATE342730T1 (de) | 2006-11-15 |
IL106610A0 (en) | 1993-12-08 |
EP0656788B1 (en) | 2006-10-18 |
WO1994003205A1 (en) | 1994-02-17 |
EP0656788A1 (en) | 1995-06-14 |
JP4272201B2 (ja) | 2009-06-03 |
EP0656788A4 (en) | 2001-10-04 |
JP3782100B2 (ja) | 2006-06-07 |
DE69334076D1 (de) | 2006-11-30 |
JP2006169252A (ja) | 2006-06-29 |
CA2141960A1 (en) | 1994-02-17 |
EP1704868A1 (en) | 2006-09-27 |
AU6195398A (en) | 1998-06-11 |
SG52492A1 (en) | 1998-09-28 |
NZ255683A (en) | 1996-08-27 |
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