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    • 3. 发明公开
    • 종양 특이적 에피토프에 대해 지정된 표지된 활성화임파구를 이용한 종양의 검출, 위치결정 및 병기결정
    • 使用标示激活的淋巴细胞的肿瘤检测,定位和分期使用肿瘤特异性抗原
    • KR1020050062605A
    • 2005-06-23
    • KR1020057006136
    • 2003-10-10
    • 유.에스. 거번먼트(레프리젠티드 바이 더 디파트먼트 오브 베테랑스 어페어즈)
    • 필립스,캐써린,에이.라이트,스티븐,이.
    • G01N33/50G01N33/53G01N33/48
    • A61K51/1203G01N33/5091G01N2800/52
    • Disclosed are methods for detecting and localizing a cell-specific antigen in a mammal, such as a human subject, comprising exposing peripheral blood mononuclear cells (PBMCs) of the mammal to an immunogenic peptide epitope of the antigen, under conditions for antigen- specific activation of T lymphocytes in the PBMCs, thereby producing antigen-specific T lymphocytes that at least bind to the cell-specific antigen. Labeled antigen-specific T lymphocytes are administered to the mammal, typically without IL-2, either intraperitoneally or intravenously. The distribution of these cells in the mammal is determined by imaging, thereby detecting and localizing cell-specific antigen in the mammal. Exposing PBMCs to the immunogenic peptide typically involves a cell-free peptide preparation and interleukin-2 (IL-2), but no additional cells such as antigen presenting cells (APC) separately pulsed with antigen. The antigen-specific T lymphocytes typically are cytolytic for cells expressing the cell-specific antigen and may comprise CD4+, CD8+, and/or CD45RO+ memory T cells.
    • 公开了用于检测和定位哺乳动物(例如人类受试者)中的细胞特异性抗原的方法,包括在抗原特异性激活的条件下将哺乳动物的外周血单核细胞(PBMC)暴露于抗原的免疫原性肽表位 的T细胞,从而产生至少结合细胞特异性抗原的抗原特异性T淋巴细胞。 标记的抗原特异性T淋巴细胞通常腹膜内或静脉内施用于哺乳动物,通常不含IL-2。 通过成像确定这些细胞在哺乳动物中的分布,从而检测和定位哺乳动物细胞特异性抗原。 将PBMC暴露于免疫原性肽通常涉及无细胞肽制剂和白细胞介素-2(IL-2),但不包括分别用抗原脉冲的其它细胞例如抗原呈递细胞(APC)。 抗原特异性T淋巴细胞通常对表达细胞特异性抗原的细胞是细胞溶解的,并且可以包含CD4 +,CD8 +和/或CD45RO +记忆T细胞。