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| A NEW CLASS OF RETINOIDS WITH SELECTIVE-INHIBITION OF AP-1 INHIBITS PROLIFERATION |
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| Author(s): FANJUL A, DAWSON MI, HOBBS PD, JONG L, CAMERON JF, HARLEV E, GRAUPNER G, LU XP, PFAHL M |
| Source: NATURE Volume: 372 Issue: 6501 Pages: 107-111 Published: NOV 3 1994 |
| Times Cited: 257 References: 28 |
| Abstract: RETINOIDS regulate many biological processes, including differentiation, morphogenesis and cell proliferation(1-3). They are also important therapeutic agents, but their clinical usefulness is limited because of side effects(4-8). Retinoid activities are mediated by specific nuclear receptors, the RARs and RXRs, which can induce transcriptional activation through specific DNA sites(3,9-11) or by inhibiting the transcription factor AP-1 (refs 12-15), which usually mediates cell proliferation signals(16). Because the two types of receptor actions are mechanistically distinct(12,15) we investigated whether conformationally restricted retinoids, selective for each type of receptor action, could be identified, Here we describe a new class of retinoids that selectively inhibits AP-1 activity but does not activate transcription. These retinoids do not induce differentiation in F9 cells but inhibit effectively the proliferation of several tumour cell lines, and could thus serve as candidates for new retinoid therapeutic agents with reduced side effects. |
| Document Type: Article |
| Language: English |
Addresses:
1. SRI INT, DIV LIFE SCI, MENLO PK, CA 94025 USA
2. LA JOLLA CANC RES FDN, CTR CANC, LA JOLLA, CA 92037 USA |
| Publisher: MACMILLAN MAGAZINES LTD, PORTERS SOUTH, 4 CRINAN ST, LONDON, ENGLAND N1 9XW |
| Subject Category: Multidisciplinary Sciences |
| IDS Number: PQ348 |
| ISSN: 0028-0836 |
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