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Valli C, Paroni G, Di Francesco AM, Riccardi R, Tavecchio M, Erba E, Boldetti A, Gianni' M, Fratelli M, Pisano C, Merlini L, Antoccia A, Cenciarelli C, Terao M, Garattini E. Atypical retinoids ST1926 and CD437 are S-phase-specific agents causing DNA double-strand breaks: significance for the cytotoxic and antiproliferative activity. Mol Cancer Ther 2008; 7:2941-54. [DOI: 10.1158/1535-7163.mct-08-0419] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Farhana L, Dawson MI, Leid M, Wang L, Moore DD, Liu G, Xia Z, Fontana JA. Adamantyl-substituted retinoid-related molecules bind small heterodimer partner and modulate the Sin3A repressor. Cancer Res 2007; 67:318-25. [PMID: 17210713 PMCID: PMC2833172 DOI: 10.1158/0008-5472.can-06-2164] [Citation(s) in RCA: 66] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
6-[3-(1-adamantyl)-4-hydroxyphenyl]-2-naphthalenecarboxylic acid (CD437/AHPN) and 4-[3-(1-adamantyl)-4-hydroxyphenyl]-3-chlorocinnamic acid (3-Cl-AHPC/MM002) are inducers of apoptosis of malignant cells both in vitro and in vivo. Numerous mechanisms have been proposed for how these compounds exert this effect. This report shows that AHPN/3-Cl-AHPC binds specifically to the orphan nuclear receptor small heterodimer partner (SHP; NR0B2), and this binding promotes interaction of the receptor with a corepressor complex that minimally contains Sin3A, N-CoR, histone deacetylase 4, and HSP90. Formation of the SHP-Sin3A complex is essential for the ability of AHPN and 3-Cl-AHPC to induce apoptosis, as both knockout SHP and knockdown of Sin3A compromise the proapoptotic activity of these compounds but not other apoptosis inducers. These results suggest that AHPN/3-Cl-AHPC and their analogues are SHP ligands and their induction of apoptosis is mediated by their binding to the SHP receptor.
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Affiliation(s)
- Lulu Farhana
- John D. Dingell Veterans Affairs Medical Center and Department of Medicine, Wayne State University and Karmanos Cancer Institute, Detroit, Michigan
| | | | - Mark Leid
- Department of Pharmaceutical Sciences, College of Pharmacy, Oregon State University, Corvallis, Oregon
| | - Li Wang
- Department of Medicine and Pharmacology, The University of Kansas Medical Center, Kansas City, Kansas
| | - David D. Moore
- Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, Texas
| | - Gang Liu
- Burnham Institute, La Jolla, California
| | - Zeben Xia
- Burnham Institute, La Jolla, California
| | - Joseph A. Fontana
- John D. Dingell Veterans Affairs Medical Center and Department of Medicine, Wayne State University and Karmanos Cancer Institute, Detroit, Michigan
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Chun KH, Pfahl M, Lotan R. Induction of apoptosis by the synthetic retinoid MX3350-1 through extrinsic and intrinsic pathways in head and neck squamous carcinoma cells. Oncogene 2005; 24:3669-77. [PMID: 15782141 DOI: 10.1038/sj.onc.1208339] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Retinoids have shown promise in cancer prevention and therapy. As some retinoids exhibit undesirable side effects, new retinoid analogs have been synthesized. In this study, we examined the effects of the retinoid MX3350-1 on human head and neck squamous cell carcinoma (HNSCC) cell lines. MX3350-1 suppressed the growth of 7/8 HNSCC cell lines by >65%. This inhibition appeared to be due to induction of apoptosis as revealed by the terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling assay. Studies with cell line UMSCC17B indicated that apoptosis was induced within 1-2 days and involved activation of caspase-8, -9, and -3. Inhibitors of these caspases suppressed MX3350-1-induced apoptosis. MX3350-1 decreased the levels of antiapoptotic Bcl-2 and Bcl-XL, increased proapoptotic Bax, induced mitochondrial membrane permeabilization (MMP), and cytochrome c release from mitochondria to cytosol. The antioxidant butylated hydroxyanisol and the MMP inhibitor cyclosporin A (Cs A) blocked apoptosis induced by MX3350-1. In contrast, retinoid receptor antagonists failed to inhibit apoptosis. MX3350-1 increased the levels of Fas-ligand, Fas, and Fas-associated death domain, and enhanced activation of procaspase-8 and cleavage of its substrate Bid. Soluble Fas rescued the cells from MX3350-1-induced apoptosis. These results demonstrate that MX3350-1 induces apoptosis by activating both extrinsic and intrinsic apoptosis pathways and suggest that further studies on the potential of this retinoid for prevention and therapy of HNSCCs are warranted.
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Affiliation(s)
- Kyung-Hee Chun
- Department of The University of Texas MD Anderson Cancer Center, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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Tarrade A, Bastien J, Bruck N, Bauer A, Gianni M, Rochette-Egly C. Retinoic acid and arsenic trioxide cooperate for apoptosis through phosphorylated RXR alpha. Oncogene 2005; 24:2277-88. [PMID: 15688020 DOI: 10.1038/sj.onc.1208402] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Arsenite trioxide (As2O3) induces apoptosis in several cell lines by disturbing key signal transduction pathways through its oxidative properties. Here, we report that As2O3 also induces the phosphorylation of the retinoid receptor RXRalpha, subsequent to oxidative damages and the activation of the stress-activated protein kinases cascade (JNKs). We also report that RA amplifies both As2O3-induced phosphorylation of RXRalpha and apoptosis. Taking advantage of 'rescue' F9 cell lines expressing RXRalpha mutated at its phosphorylation sites, in an RXRalpha null background, we provide evidence that RXRalpha is a key element involved in that potentiating effect. Finally, we demonstrate that As2O3 also abrogates the transactivation of RA-target genes.
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Affiliation(s)
- Anne Tarrade
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, CNRS/INSERM/ULP, BP 10142, 67404 Illkirch Cedex, France
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Keedwell RG, Zhao Y, Hammond LA, Qin S, Tsang KY, Reitmair A, Molina Y, Okawa Y, Atangan LI, Shurland DL, Wen K, Wallace DMA, Bird R, Chandraratna RAS, Brown G. A Retinoid-Related Molecule that Does Not Bind to Classical Retinoid Receptors Potently Induces Apoptosis in Human Prostate Cancer Cells through Rapid Caspase Activation. Cancer Res 2004; 64:3302-12. [PMID: 15126374 DOI: 10.1158/0008-5472.can-03-2763] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Synthetic retinoid-related molecules, such as N-(4-hydroxyphenyl)retinamide (fenretinide) and 6-[3-(1-adamantyl)-4-hydroxyphenyl]-2-naphthalene carboxylic acid (CD437) induce apoptosis in a variety of malignant cells. The mechanism(s) of action of these compounds does not appear to involve retinoic acid receptors (RARs) and retinoid X receptors (RXRs), although some investigators disagree with this view. To clarify whether some retinoid-related molecules can induce apoptosis without involving RARs and/or RXRs, we used 4-[3-(1-heptyl-4,4-dimethyl-2-oxo-1,2,3,4-tetrahydroquinolin-6-yl)-3-oxo-E-propenyl] benzoic acid (AGN193198) that neither binds effectively to RARs and RXRs nor transactivates in RAR- and RXR-mediated reporter assays. AGN193198 potently induced apoptosis in prostate, breast, and gastrointestinal carcinoma cells and in leukemia cells. AGN193198 also abolished growth (by 50% at 130-332 nM) and induced apoptosis in primary cultures established from prostatic carcinoma (13 patients) and gastrointestinal carcinoma (1 patient). Apoptosis was induced rapidly, as indicated by mitochondrial depolarization and DNA fragmentation. Molecular events provoked by AGN193198 included activation of caspase-3, -8, -9, and -10 (by 4-6 h) and the production of BID/p15 (by 6 h). These findings show that caspase-mediated induction of apoptosis by AGN193198 is RAR/RXR-independent and suggest that this compound may be useful in the treatment of prostate cancer.
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Affiliation(s)
- Richard G Keedwell
- Division of Immunity and Infection, University of Birmingham Medical School, Edgbaston, Birmingham, United Kingdom
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Abstract
Certain synthetic retinoid-related molecules induce apoptosis in cancer cells through a novel mechanism of retinoid action that is independent of the nuclear retinoid receptors. These compounds target protein kinases and protein phosphatases to trigger signal transduction pathways that lead to apoptosis. Whereas retinoid agonists such as CD437 activate stress kinases via inhibition of the phosphatase MKP-1, the retinoid antagonist MX781 inhibits the survival kinase IKK. These retinoid-mediated signaling pathways converge at the mitochondria, where they cause the release of cytochrome c and subsequent Apaf-1-dependent activation of caspases. Identification of the retinoid targets that mediate their apoptotic activity will enhance our understanding of the mechanism of this novel retinoid action, to allow appropriate optimization of currently available compounds to advance into the clinic as novel anticancer agents.
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Affiliation(s)
- Magnus Pfahl
- Incyte San Diego, Inc, 10835 Altman Row, San Diego, CA 92121, USA.
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Pisano C, Kollar P, Gianní M, Kalac Y, Giordano V, Ferrara FF, Tancredi R, Devoto A, Rinaldi A, Rambaldi A, Penco S, Marzi M, Moretti G, Vesci L, Tinti O, Carminati P, Terao M, Garattini E. Bis-indols: a novel class of molecules enhancing the cytodifferentiating properties of retinoids in myeloid leukemia cells. Blood 2002; 100:3719-30. [PMID: 12393712 DOI: 10.1182/blood-2002-03-0720] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Enhancing the pharmacologic activity of all-trans retinoic acid (ATRA) is potentially useful in the management of acute promyelocytic leukemia (APL) and other types of myeloid leukemia. In this report, we identify a novel class of experimental agents selectively potentiating the cytodifferentiating activity of ATRA and synthetic retinoic acid receptor alpha agonists in APL and other myeloid leukemia cell lines. These agents have a bis-indolic structure (BISINDS), and ST1346 is the prototypical compound of the series. Gene-profiling experiments and determination of the level of expression of myeloid-associated markers indicate that ST1346 stimulates many aspects of the granulocytic maturation process set in motion by ATRA. Stimulation of the cytodifferentiating activity of ATRA by ST1346 enhances the efficacy of the retinoid in vivo, as demonstrated in the APL model of the severe combined immunodeficiency (SCID) mouse receiving transplants of NB4 cells. Although the molecular mechanisms underlying the ATRA-potentiating action of ST1346 and congeners have not been completely clarified, bis-indols are not ligands and do not exert any direct effect on the ATRA-dependent transactivation of nuclear receptors. However, ST1346 inhibits the down-regulation of cyclic adenosine monophosphate (cAMP)-dependent CREB transcriptional complexes and enhances the level of expression of signal transducers and activators of transcription-1 (STAT1), 2 putative molecular determinants of the differentiation process activated by ATRA in APL cells. More importantly, ST1346 relieves the down-regulation of Jun N-terminal kinases (JNK) afforded by ATRA. In addition, a specific JNK inhibitor blocks the enhancing effect of ST1346 on ATRA-induced maturation of NB4 cells. This demonstrates an important role for the mitogen-activated protein kinase in the molecular mechanisms underlying the pharmacologic activity of the bis-indol.
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Affiliation(s)
- Claudio Pisano
- Istituto di Ricerche Farmacologiche Mario Negri, Laboratory of Molecular Biology, Centro Catullo e Daniela Borgomainerio, Milano, Italy
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Cassinat B, Chomienne C. Biological features of primary APL blasts: their relevance to the understanding of granulopoiesis, leukemogenesis and patient management. Oncogene 2001; 20:7154-60. [PMID: 11704844 DOI: 10.1038/sj.onc.1204761] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
In recent years, discovery of the in vitro and in vivo differentiation of APL blasts by all-trans retinoic acid (ATRA) has modified the therapeutic approach of APL and lead to important advances in understanding the biology of APL. Since it became apparent that differentiation therapy of APL with ATRA was indeed a true model of targetted therapy, evidencing the molecular targets of retinoic acid efficacy became crucial. These molecular targets are closely related to the biological features of APL cells, some of which are well-known and have contributed to the morphological and cytogenetic definition of the leukemia, others have just been defined or re-discovered in the light of a better understanding of molecular controls of cell growth and differentiation. The aims of characterizing the biological features of APL cells should allow a better management of APL therapy and the identification of potential markers for differentiation therapies in other leukemias or solid tumors.
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Affiliation(s)
- B Cassinat
- Hopital Saint-Louis, Paris, Institute of Hematology, INSERM E 00-03 France
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Roussel MJ, Lanotte M. Maturation sensitive and resistant t(15;17) NB4 cell lines as tools for APL physiopathology: nomenclature of cells and repertory of their known genetic alterations and phenotypes. Oncogene 2001; 20:7287-91. [PMID: 11704857 DOI: 10.1038/sj.onc.1204863] [Citation(s) in RCA: 55] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Chromosomal translocations, leading to gene rearrangements that generate chimerical proteins, represent one of the initiating events of leukemia. Preleukemia cells eventually develop into overt leukemia by occurrence of secondary genetic alterations (tumor progression). The physiopathology of leukemia has made considerable progress during the last two decades, due to molecular biology investigations on the role played by the altered genes, during neoplasic hemopoiesis. In vitro studies have been facilitated by the establishment of stable leukemia cell lines bearing these gene rearrangements and secondary gene mutations. Investigations on acute promyelocytic leukemia (APL) have benefited from maturation sensitive and resistant cell lines (NB4 and UF-1) derived from APL patient's leukemia cells and bearing the t(15;17). The information concerning the NB4 cell line (responsiveness to retinoid/rexinoid, cAMP, arsenic, mutations causing resistance) is spread in an abundant literature. In this paper, we briefly recapitulate the cellular and molecular features of this cell line and its subclones with the aim of facilitating investigators in their choice of the most appropriate tool for their studies. As redundancy of several names given to NB4 sublines has sometimes created difficulties, we propose a nomenclature for the various NB4 sublines that most investigators certainly would be agreed with.
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Affiliation(s)
- M J Roussel
- INSERM U-496, Centre G. Hayem, Hôpital Saint-Louis, 1, avenue Claude-Vellefaux, 75010 Paris, France
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Sun SY, Yue P, Lotan R. Implication of multiple mechanisms in apoptosis induced by the synthetic retinoid CD437 in human prostate carcinoma cells. Oncogene 2000; 19:4513-22. [PMID: 11002424 DOI: 10.1038/sj.onc.1203810] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The synthetic retinoid 6-[3-(1-adamantyl)-4-hydroxyphenyl]-2-naphthalene carboxylic acid (CD437) induces apoptosis in several types of cancer cell. CD437 inhibited the growth of both androgen-dependent and -independent human prostate carcinoma (HPC) cells in a concentration-dependent manner by rapid induction of apoptosis. CD437 was more effective in killing androgen-independent HPC cells such as DU145 and PC-3 than the androgen-dependent LNCaP cells. The caspase inhibitors Z-VAD-FMK and Z-DEVD-FMK blocked apoptosis induced by CD437 in DU145 and LNCaP cells, in which increased caspase-3 activity and PARP cleavage were observed, but not in PC-3 cells, in which CD437 did not induce caspase-3 activation and PARP cleavage. Thus, CD437 can induce either caspase-dependent or caspase-independent apoptosis in HPC cells. CD437 increased the expression of c-Myc, c-Jun, c-Fos, and death receptors DR4, DR5 and Fas. CD437's potency in apoptosis induction in the different cell lines was correlated with its effects on the expression of oncogenes and death receptors, thus implicating these genes in CD437-induced apoptosis in HPC cells. However, the importance and contribution of each of these genes in different HPC cell lines may vary. Because CD437 induced the expression of DR4, DR5 and Fas, we examined the effects of combining CD437 and tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) and Fas ligand, respectively, in HPC cells. We found synergistic induction of apoptosis, highlighting the importance of the modulation of these death receptors in CD437-induced apoptosis in HPC cells. This result also suggests a potential strategy of using CD437 with TRAIL for treatment of HPC. Oncogene (2000) 19, 4513 - 4522.
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Affiliation(s)
- S Y Sun
- Department of Thoracic/Head and Neck Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, Texas, TX 77030, USA
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Isolation and characterization of an acute promyelocytic leukemia cell line selectively resistant to the novel antileukemic and apoptogenic retinoid 6-[3-adamantyl-4-hydroxyphenyl]-2-naphthalene carboxylic acid. Blood 2000. [DOI: 10.1182/blood.v95.8.2672.008k14_2672_2682] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
6-[3-adamantyl-4-hydroxyphenyl]-2-naphthalene carboxylic acid (CD437) is a novel compound that represents the prototype of a new class of synthetic retinoids with apoptogenic properties in acute promyelocytic leukemia (APL) and other types of leukemia. In this article, using SCID mice xenografted with APL-derived NB4 cells, we demonstrate that CD437 has significant antileukemic activity in vivo. In addition, we report on the isolation and characterization of an APL cell line (NB4.437r) resistant to CD437. The cell line retains expression of PML-RAR and is approximately 33-fold more resistant than the parental counterpart to the apoptogenic effects of the retinoid. Resistance is relatively specific to CD437 and structural congeners because the NB4.437r cell line is still sensitive to various types of apoptogenic compounds. The CD437-resistant cell line maintains sensitivity to the antiproliferative and apoptotic action of all-trans-retinoic acid, AM580, and fenretinide, though it shows partial resistance to the cytodifferentiating effects of the first 2 compounds. Resistance to CD437 lays upstream of the CD437-induced release of cytochrome c from the mitochondria and the activation of caspase-3, -7, -8, and -9. Furthermore, NB4.437r cells are deficient in the CD437-dependent activation of nuclear NFkb and AP1-binding activities and in the phosphorylation of the protein kinase Akt. In the case of AP1, deficient assembly of the complex is not caused by the lack of activation of the Jun N-terminal kinase (JNK) family of kinases. The novel cell line will be useful in the elucidation of the molecular mechanisms underlying the apoptogenic action of CD437 and structurally related retinoids.
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