Treating brain tumors with PDE4 inhibitors.

Treating brain tumors with PDE4 inhibitors.
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DOI:
10.1016/j.tips.2011.02.015
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发表时间:
2011-06
影响因子:
13.8
通讯作者:
Rubin JB
Rubin JB
中科院分区:
医学1区
文献类型:
--
作者:
Sengupta R;Sun T;Warrington NM;Rubin JB

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关于肿瘤发生中环磷酸腺苷(cAMP)代谢失调的推测自50多年前发现cAMP以来就已存在。最近的数据证实了cAMP代谢紊乱与多种癌症发生的相关性,并表明该机制可能涉及磷酸二酯酶(PDE)的表达和活性改变。这些发现与PDE抑制剂用于非癌症适应症的快速开发和临床评价相吻合。因此,评估PDE抑制剂作为癌症化疗药物的时机已经成熟。在此,我们强调最近的证据表明,cAMP水平的异常调节可能是脑肿瘤发生的决定因素,其失调的机制之一是PDE的表达改变。PDE4抑制剂的最新临床前和临床经验表明,这可能是一种有前途的脑肿瘤治疗方法。
Speculation regarding dysregulation of cyclic adenosine monophosphate (cAMP) metabolism in oncogenesis has existed since the discovery of cAMP more than 50 years ago. Recent data confirms the relevance of disordered cAMP metabolism to the genesis of multiple cancers and suggests that the mechanism may involve altered expression and activity of phosphodiesterases (PDEs). These discoveries coincide with the rapid development and clinical evaluation of PDE inhibitors for non-cancer indications. Thus, the time is ripe to evaluate PDE inhibitors as cancer chemotherapeutics. Herein we highlight recent evidence that abnormal regulation of cAMP levels may be a determinant of brain tumorigenesis and that among the mechanisms of its dysregulation is altered expression of PDE. Recent preclinical and clinical experience with inhibitors of PDE4 indicates that this may be a promising approach to brain tumor therapy.
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