JP7049261B2 - 幹細胞および/または前駆細胞からt前駆細胞を作製する方法ならびに該t前駆細胞の使用 - Google Patents
幹細胞および/または前駆細胞からt前駆細胞を作製する方法ならびに該t前駆細胞の使用 Download PDFInfo
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Description
本出願は、パリ条約に基づき、2016年4月8日に出願された米国仮特許出願第62/320,005号の優先権を主張するものであり、この出願は参照によりその全体が本明細書に援用される。
1. Awong G, Herer E, Surh CD, Dick JE, La Motte-Mohs RN, Zuniga-Pflucker JC. Characterization in vitro and engraftment potential in vivo of human progenitor T cells generated from hematopoietic stem cells. Blood. 2009;114(5):972-982. doi:10.1182/blood-2008-10-187013.
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3. Ikawa T, Hirose S, Masuda K, et al. An essential developmental checkpoint for production of the T cell lineage. Science. 2010;329(5987):93-96. doi:10.1126/science.1188995.
4. Taqvi S, Dixit L, Roy K. Biomaterial-based notch signaling for the differentiation of hematopoietic stem cells into T cells. J Biomed Mater Res - Part A. 2006;79(3):689-697. doi:10.1002/jbm.a.30916.
5. Roccio M, Gobaa S, Lutolf MP. High-throughput clonal analysis of neural stem cells in microarrayed artificial niches. Integr Biol. 2012;4(4):391. doi:10.1039/c2ib00070a.
6. Mohtashami M, Shah DK, Nakase H, Kianizad K, Petrie HT, Zuniga-Pflucker JC. Direct comparison of Dll1- and Dll4-mediated Notch activation levels shows differential lymphomyeloid lineage commitment outcomes. J Immunol. 2010;185(2):867-876. doi:10.4049/jimmunol.1000782.
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9. Holmes R, Zuniga-Pflucker JC. The OP9-DL1 system: Generation of T-lymphocytes from embryonic or hematopoietic stem cells in vitro. Cold Spring Harb Protoc. 2009;4(2):1-13. doi:10.1101/pdb.prot5156.
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15. Andrawes MB, Xu X, Liu H, et al. Intrinsic Selectivity of Notch 1 for Delta-like 4 Over Delta-like 1. J Biol Chem. 2013;288(35):25477-25489. doi:10.1074/jbc.M113.454850.
16. Salomon D, Crisa L, Mojcik C, Ishii J, Klier G, Shevach E. Vascular cell adhesion molecule-1 is expressed by cortical thymic epithelial cells and mediates thymocyte adhesion. Implications for the function of alpha4beta1 (VLA4) integrin in T-cell development. Blood. 1997;89(7):2461-2471.
17. Prockop SE, Palencia S, Ryan CM, Gordon K, Gray D, Petrie HT. Stromal cells provide the matrix for migration of early lymphoid progenitors through the thymic cortex. J Immunol. 2002;169:4354-4361. doi:10.4049/jimmunol.169.8.4354.
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19. Csaszar E, Wang W, Usenko T, et al. Blood stem cell fate regulation by Delta-1-mediated rewiring of IL-6 paracrine signaling. Blood. 2014;123(5):650-658. doi:10.1182/blood-2013-08-520445.
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Claims (19)
- 幹細胞および/または前駆細胞からT前駆細胞を作製する方法であって、
NotchリガンドであるDelta-like-4(DL4)の少なくとも一部および血管細胞接着分子-1(VCAM-1)の少なくとも一部の存在下において、無血清条件で幹細胞および/または前駆細胞を培養し、T前駆細胞を作製することを含み、前記培養がフィーダー細胞の非存在下で行われる方法。 - 前記培養工程が、前記作製されたT前駆細胞から分化細胞を作製することをさらに含む、請求項1に記載の方法。
- 前記DL4の一部が、DL4の細胞外ドメインを含む、請求項1または2に記載の方法。
- 前記DL4の一部が、基材に吸着または固相化されている、請求項3に記載の方法。
- 前記VCAM-1の一部が、配列番号4の25番目のPheから698番目のGluまでの領域にヒトIgG1のFc領域が融合されたものを含む、請求項1~4のいずれか一項に記載の方法。
- 前記VCAM-1の一部が、基材に固相化されている、請求項1~5のいずれか一項に記載の方法。
- 前記DL4の一部が、7.5~20μg/mLの濃度で提供される、請求項1~6のいずれか一項に記載の方法。
- 前記DL4の一部が、約15~20μg/mLの濃度で提供される、請求項7に記載の方法。
- 前記VCAM-1の一部が、0.15~5.3μg/mLの濃度で提供される、請求項1~8のいずれか一項に記載の方法。
- 前記VCAM-1の一部が、約2.5~5.3μg/mLの濃度で提供される、請求項9に記載の方法。
- 前記幹細胞および/または前駆細胞の培養が、SCF、FLT3LおよびIL-7を含む造血細胞分化培地に前記幹細胞および/または前駆細胞を暴露させることを含む、請求項1~10のいずれか一項に記載の方法。
- 前記幹細胞および/または前駆細胞がヒト細胞である、請求項1~11のいずれか一項に記載の方法。
- 前記幹細胞および/または前駆細胞が、多能性幹細胞または造血幹細胞/前駆細胞である、請求項1~12のいずれか一項に記載の方法。
- T細胞数の増加を必要とする対象においてT細胞数を増加させるための医薬の製造における、請求項1~13のいずれか一項に記載の方法によって作製されたT前駆細胞の使用。
- 前記対象がヒトである、請求項14に記載の使用。
- 前記T前駆細胞が自己由来のT前駆細胞である、請求項15に記載の使用。
- 前記T前駆細胞が、同種異系T前駆細胞である、請求項15に記載の使用。
- T細胞数の増加を必要とする前記対象が、リンパ球減少症を伴う病態またはリンパ球減少症を引き起こす病態を有している、請求項14~17のいずれか一項に記載の使用。
- 前記病態が、がん、HIV感染症、胸腺の部分切除、自己免疫疾患および/または臓器移植である、請求項18に記載の使用。
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