对将来事件
发表于 2025-3-21 18:08:25
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COST
发表于 2025-3-21 23:24:53
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evince
发表于 2025-3-22 00:54:16
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为宠爱
发表于 2025-3-22 06:44:02
Angela Magin control of NK cell activity depends on a subtle balance between inhibitory and activating signals; accordingly, every mature NK cell should bear at least one type of dominant inhibitory receptor for a self MHC class I product, thus preventing autoreactivity against normal cells. Recognition of H-2
贵族
发表于 2025-3-22 09:25:10
Angela Maginrget, the host has two complementary cytotoxic mechanisms at its disposal: cytotoxic T lymphocytes (CTL) and natural killer (NK) cells. NK cells are not antigen specific in the classical sense and can be activated within hours without specific priming. In contrast, CTLs are induced by specific pepti
报复
发表于 2025-3-22 16:55:50
Angela Magin target cells (reviewed in . 1989). The receptor(s) involved in binding/recognition of target cells sensitive to spontaneous cytotoxicity (i.e., that mediated by NK cells from healthy nonimmunized individuals against nonsensitized targets) remain elusive. Target cells not bound spontaneously by NK c
骇人
发表于 2025-3-22 18:12:11
Angela Maginh MHC molecules are not expressed (as may occur in tumor or virus-infected cells) are susceptible to NK cells (. and . 1985). Thus NK cells may play a unique role in immune defenses by selectively removing cells that have lost the ability to express MHC class I molecules.
我不怕牺牲
发表于 2025-3-22 23:52:13
Angela Maginh MHC molecules are not expressed (as may occur in tumor or virus-infected cells) are susceptible to NK cells (. and . 1985). Thus NK cells may play a unique role in immune defenses by selectively removing cells that have lost the ability to express MHC class I molecules.
STENT
发表于 2025-3-23 04:56:29
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HEED
发表于 2025-3-23 08:47:44
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