Abstract:
:The nuclear transport proteins, importins and exportins (karyopherin-β proteins), may play an important role in cancer by transporting key mediators of oncogenesis across the nuclear membrane in cancer cells. During nucleocytoplasmic transport of tumor suppressor proteins and cell cycle regulators during the processing of these proteins, aberrant cellular growth signaling and inactivation of apoptosis can occur, both critical to growth and development of tumors. Karyopherin-β proteins bind to these cargo proteins and RanGTP for active transport across the nuclear membrane through the nuclear pore complex. Importins and exportins are overexpressed in multiple tumors including melanoma, pancreatic, breast, colon, gastric, prostate, esophageal, lung cancer, and lymphomas. Furthermore, some of the karyopherin-β proteins such as exportin-1 have been implicated in drug resistance in cancer. Importin and exportin inhibitors are being considered as therapeutic targets against cancer and have shown preclinical anticancer activity. Moreover, synergistic activity has been observed with various chemotherapeutic and targeted agents. However, clinical development of the exportin-1 inhibitor leptomycin B was stopped due to adverse events, including vomiting, anorexia, and dehydration. Selinexor, a selective nuclear export inhibitor, is being tested in multiple clinical trials both as a single agent and in combination with chemotherapy. Selinexor has demonstrated clinical activity in multiple cancers, especially acute myelogenous leukemia and multiple myeloma. The roles of other importin and exportin inhibitors still need to be investigated clinically. Targeting the key mediators of nucleocytoplasmic transport in cancer cells represents a novel strategy in cancer intervention with the potential to significantly affect outcomes.
journal_name
Pharmacol Therjournal_title
Pharmacology & therapeuticsauthors
Mahipal A,Malafa Mdoi
10.1016/j.pharmthera.2016.03.020subject
Has Abstractpub_date
2016-08-01 00:00:00pages
135-43eissn
0163-7258issn
1879-016Xpii
S0163-7258(16)30048-1journal_volume
164pub_type
杂志文章,评审abstract::Peroxisome proliferator-activated receptors (PPARs) are members of the nuclear hormone receptors family. PPARs are a family of 3 ligand-activated transcription factors: PPARalpha (NR1C1), PPARbeta/delta (NUC1; NR1C2), and PPARgamma (NR1C3). PPARalpha, -beta/delta, and -gamma are encoded by different genes but show sub...
journal_title:Pharmacology & therapeutics
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abstract::Therapeutic strategies based on the insertion of cytokine genes into the genome of tumour cells, followed by vaccination with the resulting genetically modified, cytokine-producing cells, represent a new potential prospect for treatment of cancer patients. In this review, the concept of cytokine gene-modified cancer v...
journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
pub_type: 杂志文章,评审
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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abstract::The PI3K/Akt/mTOR pathway is the most frequently known activated aberrant pathway in human cancers. Pathologic activation can occur at multiple levels along the signaling pathway by a variety of mechanisms, including point mutations, amplifications, and inactivation of tumor suppressor genes. This pathway is also a kn...
journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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abstract::In recent years there has been an explosion of interest in how genes regulate alcohol drinking and contribute to alcoholism. This work has been stimulated by the completion of the human and mouse genome projects and the resulting availability of gene microarrays. Most of this work has been performed in drinking animal...
journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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abstract::Preliminary investigations of the physical properties of oligonucleotide analogs that contain alternating methylphosphonate/phosphodiester linkages are described. An alternating oligo-2'-O-methylribonucleoside methylphosphonate, oligomer 1676, whose sequence is complementary to the upper hairpin region of human immuno...
journal_title:Pharmacology & therapeutics
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journal_title:Pharmacology & therapeutics
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abstract::Clinical evidence indicates that female sex steroids may contribute to the high prevalence of migraine in women, as well as changes in the frequency or severity of migraine attacks that are in tandem with various reproductive milestones in women's life. While female sex steroids do not seem to be involved in the patho...
journal_title:Pharmacology & therapeutics
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abstract::Protein kinases recognize and bind to specific amino acid sequences on their protein substrates. These sequences can be readily identified using combinatorial peptide libraries. Unfortunately, conventional peptide libraries are not designed to identify subtle structural factors that can dramatically enhance enzyme aff...
journal_title:Pharmacology & therapeutics
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abstract::The association between vitamin D and multiple sclerosis has (re)-opened new interest in nutrition and natural compounds in the prevention and treatment of this neuroinflammatory disease. The dietary amount and type of fat, probiotics and biologicals, salmon proteoglycans, phytoestrogens and protease inhibitor of soy,...
journal_title:Pharmacology & therapeutics
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更新日期:2015-04-01 00:00:00