Source:http://linkedlifedata.com/resource/pubmed/id/14528284
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
42
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pubmed:dateCreated |
2003-10-6
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pubmed:abstractText |
Neoplastic transformation is often related to abnormal activation of growth factor receptors and their signaling pathways. The concept of targeting specific tumorigenic receptors and/or signaling molecules has been validated by the development and successful clinical application of drugs acting against the epidermal growth factor receptor 2 (HER2/neu, Erb2), the epidermal growth factor receptor 1 (EGFR, HER1), the Brc-Abl kinase, the platelet-derived growth factor receptor, and c-kit. This review will focus on the next promising therapeutic target, the insulin-like growth factor I receptor (IGF-IR). IGF-IR has been implicated in a number of neoplastic diseases, including several common carcinomas. From a pharmaceutical standpoint, of particular importance is that IGF-IR appears to be required for many transforming agents (genetic, viral, chemical) to act, but is not obligatory for the function of normal adult cells. The tumorigenic potential of IGF-IR is mediated through its antiapoptotic and transforming signaling, and in some cases through induction of prometastatic pathways. Preclinical studies demonstrated that downregulation of IGF-IR reversed the neoplastic phenotype and sensitized cells to antitumor treatments. The strategies to block IGF-IR function employed anti-IGF-IR antibodies, small-molecule inhibitors of the IGF-IR tyrosine kinase, antisense oligodeoxynucleotides and antisense RNA, small inhibitory RNA, triple helix, dominant-negative mutants, and various compounds reducing ligand availability. The experience with these strategies combined with the knowledge gained with current anti-growth factor receptor drugs should streamline the development of anti-IGF-IR therapeutics.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical |
http://linkedlifedata.com/resource/pubmed/chemical/Oligodeoxyribonucleotides, Antisense,
http://linkedlifedata.com/resource/pubmed/chemical/RNA, Antisense,
http://linkedlifedata.com/resource/pubmed/chemical/RNA, Small Interfering,
http://linkedlifedata.com/resource/pubmed/chemical/Receptor, IGF Type 1,
http://linkedlifedata.com/resource/pubmed/chemical/Receptors, Growth Factor
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pubmed:status |
MEDLINE
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pubmed:month |
Sep
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pubmed:issn |
0950-9232
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
29
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pubmed:volume |
22
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
6589-97
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pubmed:dateRevised |
2009-11-19
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pubmed:meshHeading |
pubmed-meshheading:14528284-Drug Design,
pubmed-meshheading:14528284-Gene Expression Regulation, Neoplastic,
pubmed-meshheading:14528284-Humans,
pubmed-meshheading:14528284-Neoplasms,
pubmed-meshheading:14528284-Oligodeoxyribonucleotides, Antisense,
pubmed-meshheading:14528284-RNA, Antisense,
pubmed-meshheading:14528284-RNA, Small Interfering,
pubmed-meshheading:14528284-Receptor, IGF Type 1,
pubmed-meshheading:14528284-Receptors, Growth Factor,
pubmed-meshheading:14528284-Signal Transduction
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pubmed:year |
2003
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pubmed:articleTitle |
Growth factor receptors as therapeutic targets: strategies to inhibit the insulin-like growth factor I receptor.
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pubmed:affiliation |
Kimmel Cancer Center, Thomas Jefferson University, 233 S 10th St., BLSB 631, Philadelphia, PA 19107, USA. eva.surmacz@mail.tju.edu
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pubmed:publicationType |
Journal Article,
Research Support, U.S. Gov't, Non-P.H.S.,
Review
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