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[基础知识] 与myc结合亲和力高的已上市药物

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5377 0 自学自救 发表于 2025-4-18 11:09:19 |

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MYC有所谓不可成药性,还没有专门的靶向药上市。# c: J! {5 Q+ m' ~9 v
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目前针对myc实际可行的治疗策略是根据患者除myc突变扩增外的其他突变,抑制其他靶点,如mtor、hsp90等,实现合成致死或蛋白降解。自救群里部分myc扩增的乳腺癌患者用了mtor抑制剂,确有疗效。
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针对治疗myc还有一种办法是通过计算机虚拟筛选等办法,在已上市药物里找与myc结合亲和力高的药物。
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《In Silico, In Vitro, and In Vivo Investigations on Adapalene as Repurposed Third Generation Retinoid against Multiple Myeloma and Leukemia》这篇论文,通过Virtual Screening、Molecular Docking Analyses and Microscale Thermophoresis的办法,从FDA已经批准上市的1578种药物里,筛选出一些与MYC结合亲和力高的药物;其中一些药物与MYC的结合亲和力超过常用的c-MYC 抑制剂试剂 10058-F4 和 10074-G5(LBEs of −4.92 kcal/mol and −6.24 kcal/mol)。
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  D0 H8 u7 K% C5 O' e下面是结合亲和力比较强的一些药物:, H! E! z) w: i( @) n

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+ O, m9 ?0 N8 X% X/ ^/ b! M其他一些研究的结论与这篇论文的结论是相印证的,试举几例如下:
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3 a8 ]% F$ x7 D1 S$ {& R3 u1、《Targeting Oncogenic Super Enhancers in MYC-Dependent AML Using a Small Molecule Activator of NR4A Nuclear Receptors》
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“MYC was identified as the most statistically repressed gene by DHE”, n! |. _; _4 [: a4 W4 I
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5 t. N) i5 O9 p2、《Drug repurposing and prediction of multiple interaction types via graph embedding》! f+ e3 s  [* R
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“Two FDA approved drugs, Dihydroergotamine (CHEMBL1732) and Indinavir Sulfate (CHEMBL1735), which are predicted by the DT2Vec+, might be able to target MYC and decrease its expression. ”$ j% F! S$ `5 c8 |9 @

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3、《Involvement of MCL1, c-myc, and cyclin D2 protein degradation in ponatinib-induced cytotoxicity against T315I(+) Ph+leukemia cells》
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/ x. f8 w; ]; I. P6 i“PNT induced apoptosis (increased sub G1 cells, and cleaved caspase3 and PARP), and suppressed protein expression of MCL1, cyclin D2 and c-myc, which were reversed by a proteasome inhibitor, MG132, suggesting enhanced proteasomal degradation by PNT. ”5 @  S; r* m! K

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4、《 Synergistic effect of eribulin and CDK inhibition for the treatment of triple negative breast cancer》
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4 i( H  _" T# k9 C+ x% w Additionally, treatment with eribulin resulted in a decrease in c-myc expression and a trend% A, C8 w5 r* @/ \" e; |
toward an increase in cdki p15。
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9 [# g2 k# L0 ~5、《Atovaquone: an antiprotozoal drug suppresses primary and resistant breast tumor growth by inhibiting HER2/β-catenin signaling》
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3 c) Y( H& D* I% d* F9 Q“We also observed a decrease in c-Myc expression in the tumors of atovaquone-treated mice”

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