JP6744906B2 - 免疫細胞のインビトロ活性化および/または増殖の方法 - Google Patents
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Description
102a、102b:免疫誘導物質
110:多突状コポリマーコア
112:突起物
120:ポリマー層
130:磁性体層
h:平均高さ
Claims (13)
- a) 表面が多突状であり、かつ少なくとも一種の免疫誘導物質が修飾され、内側から外側に向かってコポリマーコア、ポリマー層、磁性体層、およびシリコンベース層を含む磁性粒子を提供すること、
b) 少なくとも一種の免疫細胞を含む細胞溶液を提供すること、
c) 前記磁性粒子と前記細胞溶液とを接触させて、前記磁性粒子の前記表面上の前記少なくとも一種の免疫誘導物質により前記細胞溶液中の前記少なくとも一種の免疫細胞を活性化および/または増殖させること、
を含む、免疫細胞のインビトロ活性化および/または増殖の方法であって、
前記ポリマー層の材料は前記コポリマーコアの材料と異なり、
前記コポリマーコアがスチレン/ジビニルベンゼンコポリマー、メチルメタクリレート/トリエチレングリコールジメタクリレートコポリマー、メチルメタクリレート/エチレングリコールジメタクリレートコポリマー、スチレン/トリエチレングリコールジメタクリレートコポリマー、スチレン/エチレングリコールジメタクリレートコポリマーまたはメチルメタクリレート/ジビニルベンゼンコポリマーを含み、
前記ポリマー層がカルボキシル基、アミン基またはそれらの組み合わせを含む、方法。 - 前記コポリマーコアの表面が複数の不規則な形状の突起物を含む、請求項1に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記複数の突起物の平均高さは100nm〜5000nmである、請求項2に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記磁性粒子の平均直径は1μm〜50μmである、請求項1に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記免疫細胞がT細胞、NK細胞またはそれらの組み合わせを含む、請求項1に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記免疫細胞が調節性T細胞を含む、請求項5に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記免疫細胞が、αβT細胞、γδT細胞またはそれらの組み合わせを含む、請求項6に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記少なくとも一種の免疫誘導物質は、抗CD3抗体、抗CD28抗体、抗TCRγ/δ抗体、抗CD83抗体、抗CD137抗体、4−1BBL、抗CD2抗体、抗CD335抗体、またはそれらの組み合わせを含む、請求項1に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記少なくとも一種の免疫誘導物質が前記磁性粒子の前記表面に修飾される方法は、非共有結合、共有結合、アビジン‐ビオチン相互作用、静電吸着、疎水性吸着またはそれらの組み合わせを含む、請求項1に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記コポリマーコアが、単官能モノマーと二官能モノマーとを共重合して得られるコポリマーを含む、請求項1に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記単官能モノマーに対する前記二官能モノマーの体積百分率が0.4%〜2%である、請求項10に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記磁性体層が鉄イオン(Fe2+)、コバルトイオン(Co2+)、ニッケルイオン(Ni2+)またはそれらの組み合わせを含む、請求項1に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
- 前記シリコンベース層の厚さが少なくとも1nm〜50nmである、請求項1に記載の免疫細胞のインビトロ活性化および/または増殖の方法。
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| CA3119599A1 (en) | 2018-11-16 | 2020-05-22 | Rapa Therapeutics, Llc | Als treatment using induced regulatory t (itreg) cells |
| CN111733154B (zh) * | 2020-04-30 | 2022-11-04 | 和也健康科技有限公司 | 磁场处理的免疫细胞及其用途 |
| EP4150060A4 (en) * | 2020-05-13 | 2024-06-19 | Rapa Therapeutics, LLC | TREATMENT OR PREVENTION OF PRO-INFLAMMATORY DISEASES OR CONDITIONS USING INDUCED REGULATORY T CELLS (IT) |
| EP4019973B1 (en) * | 2020-12-28 | 2024-05-29 | Industrial Technology Research Institute | Detection method of multiple analytes |
| WO2025083206A1 (en) * | 2023-10-19 | 2025-04-24 | Zsbcell Ltd. | Use of non-porous, non-magnetic microparticles as a kit for activation and proliferation of human t-lymphocytes |
| WO2025151270A2 (en) * | 2024-01-08 | 2025-07-17 | Board Of Regents, The University Of Texas System | Microfluidic device for rapid enrichment of anti-tumor t-cells and methods of use thereof |
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| US6352694B1 (en) | 1994-06-03 | 2002-03-05 | Genetics Institute, Inc. | Methods for inducing a population of T cells to proliferate using agents which recognize TCR/CD3 and ligands which stimulate an accessory molecule on the surface of the T cells |
| US7572631B2 (en) | 2000-02-24 | 2009-08-11 | Invitrogen Corporation | Activation and expansion of T cells |
| AU4328801A (en) | 2000-02-24 | 2001-09-03 | Xcyte Therapies Inc | Simultaneous stimulation and concentration of cells |
| EP1241249A1 (en) | 2001-03-12 | 2002-09-18 | Gerold Schuler | CD4+CD25+regulatory T cells from human blood |
| US20040058445A1 (en) | 2001-04-26 | 2004-03-25 | Ledbetter Jeffrey Alan | Activation of tumor-reactive lymphocytes via antibodies or genes recognizing CD3 or 4-1BB |
| JP4548598B2 (ja) | 2005-03-28 | 2010-09-22 | Jsr株式会社 | 磁性粒子およびその製造方法、ならびに生化学用担体 |
| GB0603081D0 (en) | 2006-02-15 | 2006-03-29 | Dynal Biotech Asa Oslo | Method |
| JP4947288B2 (ja) * | 2006-12-28 | 2012-06-06 | Jsr株式会社 | 磁性粒子およびその製造方法、ならびに生化学用担体 |
| US7868145B2 (en) * | 2007-07-11 | 2011-01-11 | Industrial Technology Research Institute | Magnetic particles containing a copolymer core, magnetic layer and silicon layer |
| JP4281071B1 (ja) | 2008-07-10 | 2009-06-17 | 学校法人兵庫医科大学 | Vγ9Vδ2T細胞の増殖剤、活性化Vγ9Vδ2T細胞の製造方法およびこれらの利用 |
| US9114100B2 (en) | 2010-05-17 | 2015-08-25 | Duke University | Methods of treatment using ex vivo expansion of cord blood T cells |
| WO2013036585A1 (en) * | 2011-09-06 | 2013-03-14 | The Trustees Of The University Of Pennsylvania | Activation and expansion of t cell subsets using biocompatible solid substrates with tunable rigidity |
| EP2711418B1 (en) | 2012-09-25 | 2017-08-23 | Miltenyi Biotec GmbH | Method for polyclonal stimulation of T cells by flexible nanomatrices |
| CN104278012B (zh) | 2014-10-11 | 2016-11-23 | 湖南赛诺生物科技股份有限公司 | 一种成人调节性t细胞体外扩增培养基及其使用方法 |
| CN104651309A (zh) | 2015-02-04 | 2015-05-27 | 中山大学孙逸仙纪念医院 | 人外周血CD4+CD25+Foxp3+调节性T细胞的分选扩增方法 |
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