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MYC有所谓不可成药性,还没有专门的靶向药上市。% O5 ]+ h) _# c0 f
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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。* e0 U8 r- Z( u# M. U6 _1 g
; O7 W8 [) O, W- l+ X《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)。4 D" C0 @& m e" S+ z% ~! o
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下面是结合亲和力比较强的一些药物:
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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:; k& f. G- J, T$ Y) J
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2 R t* S- q! j ?1、《Targeting Oncogenic Super Enhancers in MYC-Dependent AML Using a Small Molecule Activator of NR4A Nuclear Receptors》9 M; @9 ^8 l3 X
8 \0 j) f+ T& V1 }( X4 m6 o# c1 ]“MYC was identified as the most statistically repressed gene by DHE”
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2、《Drug repurposing and prediction of multiple interaction types via graph embedding》
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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. ”$ {# A) m* K* ~1 [$ \. j& j) T$ |
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3、《Involvement of MCL1, c-myc, and cyclin D2 protein degradation in ponatinib-induced cytotoxicity against T315I(+) Ph+leukemia cells》; n1 B# M) K6 c: F7 F! n
! H. _0 q6 |" T' k/ ~" ^! N“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. ”
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; z' K# X& y# S( T1 s4、《 Synergistic effect of eribulin and CDK inhibition for the treatment of triple negative breast cancer》
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9 E; g& v+ f/ H1 ?. X# F Additionally, treatment with eribulin resulted in a decrease in c-myc expression and a trend5 A- ~2 Z1 O( Y
toward an increase in cdki p15。- J) T0 M C/ p* E0 e% y5 ~$ x2 M$ r
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5、《Atovaquone: an antiprotozoal drug suppresses primary and resistant breast tumor growth by inhibiting HER2/β-catenin signaling》" f* m! H+ N! T. L, N
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“We also observed a decrease in c-Myc expression in the tumors of atovaquone-treated mice” |