JP2021019541A - 抗原特異的t細胞の製造方法 - Google Patents
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Abstract
Description
(1)
細胞傷害阻害剤を含む培地中で単核球を刺激する工程を含むことを特徴とする、抗原特異的T細胞を製造する方法。
(2)
細胞傷害阻害剤がパーフォリン阻害剤またはグランザイム阻害剤である、(1)に記載の方法。
(3)
パーフォリン阻害剤が、Concanamycin A、SN34960、Diarylthiophenes、Ethylene glycol bis (β-aminoethylether)- N,N,N',N'-tetraacetic acid (EGTA)、Ethylenediaminetetraacetic acid(EDTA)、1,2-bis-(o-Aminophenoxy)-ethane-N,N,N',N'-tetraacetic acid(BAPTA)、N-(2-Hydroxyethyl)ethylenediamine-N,N’
,N-triacetic acid(HEDTA)およびNitrilotriacetic acid(NTA)からなる群より選ばれる1種以上である、(2)に記載の方法。
(4)
パーフォリン阻害剤が、Concanamycin Aである、(3)に記載の方法。
(5)
単核球が、リンパ球である、(1)〜(4)のいずれかに記載の方法。
(6)
単核球が、末梢血、腫瘍から単離された、(1)〜(5)のいずれかに記載の方法。
(7)
抗原が、腫瘍関連抗原または変異抗原、またはウイルス抗原である、(1)〜(6)のいずれかに記載の方法。
(8)
腫瘍関連抗原または変異抗原が、ペプチド性がん抗原である、(7)に記載の方法。
(9)
ウイルス抗原が、不活化HBVまたはそのウイルス由来のタンパク質、または、不活化HPVまたはそのウイルス由来のタンパク質である、(7)に記載の方法。
(10)
抗原を用いて、単核球を刺激する、(1)〜(9)のいずれかに記載の方法。
(11)
抗原が、GPC3、WT1、XAGE1、LMP2およびネオアンチゲンからなる群より選択される1種類以上のペプチド性がん抗原、または、EBV LMP1、EBV LMP2、EBNA(EBV nuclear antigen)、HPV E1、HPV E2、HPV E6、HPV E7、HBV HBs、HBV HBc、HBV HBe、HCV core、HCV NS3、HCV NS3/4A、HCV E1、HCV E2、HCV NS5A、HIV gag、HIV pol、HIV nef、HIV env、CMV pp65、Influenza M1、HTLV-1 Ta およびHBZからなる群より選択される1種類以上のウイルス抗原である、(1)〜(10)のいずれかに記載の方法。
(12)
(1)〜(11)のいずれかに記載の方法から得られた、抗原特異的T細胞。
(13)
(12)に記載の抗原特異的T細胞を含有する、医薬組成物。
(14)
がんのまたはウイルス感染症の予防または治療のための、(13)に記載の医薬組成物。
(15)
がんが、卵巣がん、肝芽腫、肝がん、胃がん、食道がん、膵臓がん、腎細胞がん、乳がん、悪性黒色腫、非小細胞肺がん、子宮頸がん、膠芽腫、前立腺がん、神経芽腫瘍、慢性リンパ性白血病、甲状腺乳頭がん、大腸がん、およびB細胞非ホジキンリンパ腫からなる群より選択される、(14)に記載の医薬組成物。
(16)
ウイルス感染症が、B型肝炎ウイルス、ヒトパピローマウイルス、C型肝炎ウイルス、EBウイルス、ヒト免疫不全ウイルス(HIV)、ヒトサイトメガロウイルス(CMV)、インフルエンザウイルスおよびヒトT細胞白血病ウイルス(HTLV)からなる群より選択されるウイルス感染症である、(14)に記載の医薬組成物。
(17)
(13)〜(16)のいずれかに記載の医薬組成物を含む、がんまたはウイルス感染症を予防または治療するためのキット。
(18)
(13)〜(16)のいずれかに記載の医薬組成物を含む、がんまたはウイルス感染症の予防剤または治療剤。
(19)
(13)〜(16)のいずれかに記載の医薬組成物を患者に投与することを特徴とする、がんまたはウイルス感染症の予防または治療方法。
(20)
抗原特異的T細胞を患者に投与することを特徴とする、がんまたはウイルス感染症の予防または治療方法であって、
末梢血から単核球を単離する工程、
単離された単核球を、細胞傷害阻害剤を含む培地中で、刺激する工程、および
刺激して得られた単核球から、抗原特異的T細胞を分離する工程
を含む、がんまたはウイルス感染症の予防または治療方法。
(21)
抗原特異的T細胞を含む、医薬組成物であって、
該T細胞が、
(1)CD3およびCD45が陽性であり、
(2)増殖性を有し、
抗原刺激による活性化に伴い、
(3)IFN-γとGranzyme Bを放出する
ことを特徴とする、医薬組成物。
(22)
前記医薬組成物における、全T細胞数に対する抗原特異的T細胞の細胞数の割合が10%以上であることを特徴とする、(21)に記載の医薬組成物。
(23)
前記抗原特異的T細胞の細胞数が、1×103個以上である、(22)に記載の医薬組成物。
単離された単核球を、細胞傷害阻害剤を含む培地中で、刺激する工程、および
刺激して得られた単核球から、抗原特異的T細胞を分離する工程
を含む、抗原特異的T細胞の製造方法を提供する。
Claims (23)
- 細胞傷害阻害剤を含む培地中で単核球を刺激する工程を含むことを特徴とする、抗原特異的T細胞を製造する方法。
- 細胞傷害阻害剤がパーフォリン阻害剤またはグランザイム阻害剤である、請求項1に記載の方法。
- パーフォリン阻害剤が、Concanamycin A、SN34960、Diarylthiophenes、Ethylene glycol bis (β-aminoethylether)-N, N, N’, N’-tetraacetic acid (EGTA)、Ethylenediaminetetraacetic acid(EDTA)、1,2-bis-(o-Aminophenoxy)-ethane-N,N,N',N'-tetraacetic acid(BAPTA)、N-(2-Hydroxyethyl)ethylenediamine-N,N′,N′-triacetic acid(HEDTA)およびNitrilotriacetic Acid(NTA)からなる群より選択される1種以上である、請求項2に記載の方法。
- パーフォリン阻害剤が、Concanamycin Aである、請求項3に記載の方法。
- 単核球が、リンパ球である、請求項1〜4のいずれかに記載の方法。
- 単核球が、末梢血、腫瘍から単離された、請求項1〜5のいずれかに記載の方法。
- 抗原が、腫瘍関連抗原または変異抗原、またはウイルス抗原である、請求項1〜6のいずれかに記載の方法。
- 腫瘍関連抗原またはその変異抗原が、ペプチド性がん抗原である、請求項7に記載の方法。
- ウイルス抗原が、不活化HBVまたはそのウイルス由来のタンパク質、または、不活化HPVまたはそのウイルス由来のタンパク質である、請求項7に記載の方法。
- 抗原を用いて、単核球を刺激する、請求項1〜9のいずれかに記載の方法。
- 抗原が、GPC3、WT1、XAGE1、LMP2およびネオアンチゲンからなる群より選択される1種類以上のペプチド性がん抗原、または、EBV LMP1、EBV LMP2、EBNA(EBV nuclear antigen)、HPV E1、HPV E2、HPV E6、HPV E7、HBV HBs、HBV HBc、HBV HBe、HCV core、HCV NS3、HCV NS3/4A、HCV E1、HCV E2、HCV NS5A、HIV gag、HIV pol、HIV nef、HIV env、CMV pp65、Influenza M1、HTLV-1 Ta およびHBZからなる群より選択される1種類以上のウイルス抗原である、請求項1〜10のいずれかに記載の方法。
- 請求項1〜11のいずれかに記載の方法から得られた、抗原特異的T細胞。
- 請求項12に記載の抗原特異的T細胞を含有する、医薬組成物。
- がんのまたはウイルス感染症の予防または治療のための、請求項13に記載の医薬組成物。
- がんが、卵巣がん、肝芽腫、肝がん、胃がん、食道がん、膵臓がん、腎細胞がん、乳がん、悪性黒色腫、非小細胞肺がん、子宮頸がん、膠芽腫、前立腺がん、神経芽腫瘍、慢性リンパ性白血病、甲状腺乳頭がん、大腸がん、およびB細胞非ホジキンリンパ腫からなる群より選択される、請求項14に記載の医薬組成物。
- ウイルス感染症が、B型肝炎ウイルス、ヒトパピローマウイルス、C型肝炎ウイルス、EBウイルス、ヒト免疫不全ウイルス(HIV)、ヒトサイトメガロウイルス(CMV)、インフルエンザウイルスおよびヒトT細胞白血病ウイルス(HTLV)からなる群より選択されるウイルス感染症である、請求項14に記載の医薬組成物。
- 請求項13〜16のいずれかに記載の医薬組成物を含む、がんまたはウイルス感染症を予防または治療するためのキット。
- 請求項13〜16のいずれかに記載の医薬組成物を含む、がんまたはウイルス感染症の予防剤または治療剤。
- 請求項13〜16のいずれかに記載の医薬組成物を患者に投与することを特徴とする、がんまたはウイルス感染症の予防または治療方法。
- 抗原特異的T細胞を患者に投与することを特徴とする、がんまたはウイルス感染症の予防または治療方法であって、
末梢血から単核球を単離する工程、
単離された単核球を、細胞傷害阻害剤を含む培地中で、刺激する工程、および
刺激して得られた単核球から、抗原特異的T細胞を分離する工程
を含む、がんまたはウイルス感染症の予防または治療方法。 - 抗原特異的T細胞を含む、医薬組成物であって、
該T細胞が、
(1)CD3およびCD45が陽性であり、
(2)増殖性を有し、
抗原刺激による活性化に伴い、
(3)IFN-γとGranzyme Bを放出する
ことを特徴とする、医薬組成物。 - 前記医薬組成物における、全T細胞数に対する抗原特異的T細胞の細胞数の割合が10%以上であることを特徴とする、請求項21に記載の医薬組成物。
- 前記抗原特異的T細胞の細胞数が、1×103個以上である、請求項22に記載の医薬組成物。
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