Preclinical studies of Apogossypolone: a new nonpeptidic pan small-molecule inhibitor of Bcl-2, Bcl-XL and Mcl-1 proteins in Follicular Small Cleaved Cell Lymphoma model.

Preclinical studies of Apogossypolone: a new nonpeptidic pan small-molecule inhibitor of Bcl-2, Bcl-XL and Mcl-1 proteins in Follicular Small Cleaved Cell Lymphoma model.
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DOI:
10.1186/1476-4598-7-20
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发表时间:
2008-02-14
期刊:
影响因子:
37.3
通讯作者:
Mohammad RM
Mohammad RM
中科院分区:
医学1区
文献类型:
--
作者:
Arnold AA;Aboukameel A;Chen J;Yang D;Wang S;Al-Katib A;Mohammad RM

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抗凋亡 Bcl-2 家族蛋白表达升高与滤泡性淋巴瘤 (FL) 患者的生存率较低有关。这促使我们使用滤泡小裂细胞淋巴瘤细胞系 (WSU-FSCCL) 和从淋巴瘤患者中分离的细胞来评估一种非常有效的针对 Bcl-2 家族蛋白的非肽小分子抑制剂 (SMI),即 Apogossypolone (ApoG2)。 ApoG2 显着抑制 WSU-FSCCL 的生长,细胞生长抑制率为 50% (IC50) 为 109 nM,并减少新鲜淋巴瘤细胞的细胞数量。 ApoG2 激活 caspase-9、-3 和 -8,以及聚 (ADP-核糖) 聚合酶 (PARP) 和细胞凋亡诱导因子 (AIF) 的裂解。在 WSU-FSCCL-SCID 异种移植模型中,ApoG2 显示出显着的抗淋巴瘤作用,静脉内治疗小鼠的 %ILS 为 84%,腹膜内治疗小鼠的 %ILS 为 63%。这些研究表明 ApoG2 可以成为对抗 FL 的有效治疗剂。
Elevated expression of anti-apoptotic Bcl-2 family proteins have been linked to a poor survival rate of patients with Follicular Lymphoma (FL). This prompted us to evaluate a very potent non-peptidic Small-Molecule Inhibitor (SMI) targeting Bcl-2 family proteins, Apogossypolone (ApoG2) using follicular small cleaved cell lymphoma cell line (WSU-FSCCL) and cell isolated from lymphoma patients. ApoG2 inhibited the growth of WSU-FSCCL significantly with a 50% growth inhibition of cells (IC50) of 109 nM and decreased cell number of fresh lymphoma cells. ApoG2 activated caspases-9, -3, and -8, and the cleavage of Poly (ADP-ribose) polymerase (PARP) and Apoptosis Inducing Factor (AIF). In the WSU-FSCCL-SCID xenograft model, ApoG2 showed a significant anti-lymphoma effect, with %ILS of 84% in the intravenous and 63% in intraperitoneal treated mice. These studies suggest that ApoG2 can be an effective therapeutic agent against FL.
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