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MYC有所谓不可成药性,还没有专门的靶向药上市。" x* _$ r$ C2 w8 t
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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。3 J$ m- }8 p W9 j1 q
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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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9 I; R& H! L$ [《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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下面是结合亲和力比较强的一些药物:! O) b" U$ h @$ j6 H+ W" Q% X
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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:" u% i+ N( ^3 j# D. I, `
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! s% n/ N7 p' S/ b/ E2 |) g' x' u1、《Targeting Oncogenic Super Enhancers in MYC-Dependent AML Using a Small Molecule Activator of NR4A Nuclear Receptors》; ]: n/ G% M2 |3 x' b! U( H! m
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“MYC was identified as the most statistically repressed gene by DHE”, a, x- X) y' [5 S( Y' h
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2、《Drug repurposing and prediction of multiple interaction types via graph embedding》 f0 G) r/ A. A3 i
' t& j6 q* k4 P( H“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. ”
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% _' S, ^. b# a2 Z3、《Involvement of MCL1, c-myc, and cyclin D2 protein degradation in ponatinib-induced cytotoxicity against T315I(+) Ph+leukemia cells》
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3 b( a9 z& w1 Y6 c* _. J( p& W“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. ”, b& H; m" H; l' C2 b) h7 h
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s, o) C' L+ D% N5 C( O% c4、《 Synergistic effect of eribulin and CDK inhibition for the treatment of triple negative breast cancer》" H' S! G1 X% E
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Additionally, treatment with eribulin resulted in a decrease in c-myc expression and a trend
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5、《Atovaquone: an antiprotozoal drug suppresses primary and resistant breast tumor growth by inhibiting HER2/β-catenin signaling》
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5 S& T4 C" R* O; m0 C6 L' P8 f4 `2 ~“We also observed a decrease in c-Myc expression in the tumors of atovaquone-treated mice” |