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PAT-PM-1

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作用机制

IgM 激动剂

在研机构-

原研机构

OncoMab GmbH

在研适应症-

非在研适应症

胰腺癌

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PAT-PM-2

靶点-

作用机制

IgM 激动剂

在研机构-

原研机构

OncoMab GmbH

在研适应症-

非在研适应症

肿瘤

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ACY-110

靶点-

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免疫调节剂

在研机构-

原研机构

Acceptys, Inc.

在研适应症-

非在研适应症

乳腺癌

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100 项与 Acceptys, Inc. 相关的临床结果

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0 项与 Acceptys, Inc. 相关的专利（医药）

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1

项与 Acceptys, Inc. 相关的文献（医药）

2007-01-01·Molecular Cancer Therapeutics2区 · 医学

The human IgM antibody SAM-6 induces tumor-specific apoptosis with oxidized low-density lipoprotein

2区 · 医学

Article

作者: Brändlein, Stephanie ; Hensel, Frank ; Rauschert, Nicole ; Müller-Hermelink, Hans-Konrad ; Rasche, Leo ; Vollmers, H. Peter ; Dreykluft, Angela ; Conzelmann, Ernst

AbstractLipids are essential for normal and malignant cells during growth and differentiation. The turnover is strictly regulated because an uncontrolled uptake and accumulation is cytotoxic and can lead to lipoapoptosis: lipoptosis. The human monoclonal antibody SAM-6 binds to a cell surface receptor on malignant cells and to oxidized low-density lipoprotein (LDL). SAM-6 induces an excess of intracellular lipids, by overfeeding malignant cells with oxidized LDL, via a receptor-mediated endocytosis. The treated cells overaccumulate depots of cholesteryl esters and triglycerides. This lipid overaccumulation is tumor specific; nonmalignant cells neither bind the antibody nor harvest lipids after incubation. Because for both forms of apoptosis, the death domain dependent (“extrinsic”) and independent (“intrinsic”), the activation of proteases is crucial, we also investigated this pathway in more detail. It was found that shortly after internalization of antibody/oxidized LDL/receptor complex and formation of lipid depots, cytochrome c is released by mitochondria. Followed by this, initiator caspase-8 and caspase-9 and effector caspase-3 and caspase-6 are activated. The mechanism of mitochondrial trigger (e.g., by free fatty acids) is under investigation. However, the present data indicate that the SAM-6 antibody induces an intrinsic-like form of apoptosis by overfeeding malignant cells with lipoproteins. [Mol Cancer Ther 2007;6(1):326–33]

100 项与 Acceptys, Inc. 相关的药物交易

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100 项与 Acceptys, Inc. 相关的转化医学

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