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Alfei S, Zuccari G. Attempts to Improve Lipophilic Drugs' Solubility and Bioavailability: A Focus on Fenretinide. Pharmaceutics 2024; 16:579. [PMID: 38794242 PMCID: PMC11125266 DOI: 10.3390/pharmaceutics16050579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 04/17/2024] [Accepted: 04/19/2024] [Indexed: 05/26/2024] Open
Abstract
The development of numerous drugs is often arrested at clinical testing stages, due to their unfavorable biopharmaceutical characteristics. It is the case of fenretinide (4-HPR), a second-generation retinoid, that demonstrated promising in vitro cytotoxic activity against several cancer cell lines. Unfortunately, response rates in early clinical trials with 4-HPR did not confirm the in vitro findings, mainly due to the low bioavailability of the oral capsular formulation that was initially developed. Capsular 4-HPR provided variable and insufficient drug plasma levels attributable to the high hepatic first-pass effect and poor drug water solubility. To improve 4-HPR bioavailability, several approaches have been put forward and tested in preclinical and early-phase clinical trials, demonstrating generally improved plasma levels and minimal systemic toxicities, but also modest antitumor efficacy. The challenge is thus currently still far from being met. To redirect the diminished interest of pharmaceutical companies toward 4-HPR and promote its further clinical development, this manuscript reviewed the attempts made so far by researchers to enhance 4-HPR bioavailability. A comparison of the available data was performed, and future directions were proposed.
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Affiliation(s)
- Silvana Alfei
- Department of Pharmacy, University of Genoa, Viale Cembrano 4, 16148 Genoa, Italy;
| | - Guendalina Zuccari
- Department of Pharmacy, University of Genoa, Viale Benedetto XV, 16132 Genoa, Italy
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2
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Twomey E, Melo-Sampaio P, Schulte LM, Bossuyt F, Brown JL, Castroviejo-Fisher S. Multiple Routes to Color Convergence in a Radiation of Neotropical Poison Frogs. Syst Biol 2023; 72:1247-1261. [PMID: 37561391 PMCID: PMC10924724 DOI: 10.1093/sysbio/syad051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 08/03/2023] [Accepted: 08/09/2023] [Indexed: 08/11/2023] Open
Abstract
Convergent evolution is defined as the independent evolution of similar phenotypes in different lineages. Its existence underscores the importance of external selection pressures in evolutionary history, revealing how functionally similar adaptations can evolve in response to persistent ecological challenges through a diversity of evolutionary routes. However, many examples of convergence, particularly among closely related species, involve parallel changes in the same genes or developmental pathways, raising the possibility that homology at deeper mechanistic levels is an important facilitator of phenotypic convergence. Using the genus Ranitomeya, a young, color-diverse radiation of Neotropical poison frogs, we set out to 1) provide a phylogenetic framework for this group, 2) leverage this framework to determine if color phenotypes are convergent, and 3) to characterize the underlying coloration mechanisms to test whether color convergence occurred through the same or different physical mechanisms. We generated a phylogeny for Ranitomeya using ultraconserved elements and investigated the physical mechanisms underlying bright coloration, focusing on skin pigments. Using phylogenetic comparative methods, we identified several instances of color convergence, involving several gains and losses of carotenoid and pterin pigments. We also found a compelling example of nonparallel convergence, where, in one lineage, red coloration evolved through the red pterin pigment drosopterin, and in another lineage through red ketocarotenoids. Additionally, in another lineage, "reddish" coloration evolved predominantly through structural color mechanisms. Our study demonstrates that, even within a radiation of closely related species, convergent evolution can occur through both parallel and nonparallel mechanisms, challenging the assumption that similar phenotypes among close relatives evolve through the same mechanisms.
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Affiliation(s)
- Evan Twomey
- Department of Wildlife/Zoo Animal Biology and Systematics, Faculty of Biological Sciences, Goethe University Frankfurt, Max-von-Laue-Str. 13, Frankfurt am Main 60438, Germany
| | - Paulo Melo-Sampaio
- Departamento de Vertebrados, Museu Nacional, Universidade Federal do Rio de Janeiro, R. Gen. Herculano Gomes 41, Rio de Janeiro 20941-360, Brazil
| | - Lisa M Schulte
- Department of Wildlife/Zoo Animal Biology and Systematics, Faculty of Biological Sciences, Goethe University Frankfurt, Max-von-Laue-Str. 13, Frankfurt am Main 60438, Germany
| | - Franky Bossuyt
- Amphibian Evolution Laboratory, Biology Department, Vrije Universiteit Brussel, Pleinlaan 2, Brussels 1050, Belgium
| | - Jason L Brown
- School of Biological Sciences, Southern Illinois University, 125 Lincoln Dr., Carbondale, IL 62901, USA
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3
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Nishida Y, Berg PC, Shakersain B, Hecht K, Takikawa A, Tao R, Kakuta Y, Uragami C, Hashimoto H, Misawa N, Maoka T. Astaxanthin: Past, Present, and Future. Mar Drugs 2023; 21:514. [PMID: 37888449 PMCID: PMC10608541 DOI: 10.3390/md21100514] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/18/2023] [Accepted: 09/22/2023] [Indexed: 10/28/2023] Open
Abstract
Astaxanthin (AX), a lipid-soluble pigment belonging to the xanthophyll carotenoids family, has recently garnered significant attention due to its unique physical properties, biochemical attributes, and physiological effects. Originally recognized primarily for its role in imparting the characteristic red-pink color to various organisms, AX is currently experiencing a surge in interest and research. The growing body of literature in this field predominantly focuses on AXs distinctive bioactivities and properties. However, the potential of algae-derived AX as a solution to various global environmental and societal challenges that threaten life on our planet has not received extensive attention. Furthermore, the historical context and the role of AX in nature, as well as its significance in diverse cultures and traditional health practices, have not been comprehensively explored in previous works. This review article embarks on a comprehensive journey through the history leading up to the present, offering insights into the discovery of AX, its chemical and physical attributes, distribution in organisms, and biosynthesis. Additionally, it delves into the intricate realm of health benefits, biofunctional characteristics, and the current market status of AX. By encompassing these multifaceted aspects, this review aims to provide readers with a more profound understanding and a robust foundation for future scientific endeavors directed at addressing societal needs for sustainable nutritional and medicinal solutions. An updated summary of AXs health benefits, its present market status, and potential future applications are also included for a well-rounded perspective.
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Affiliation(s)
- Yasuhiro Nishida
- Fuji Chemical Industries, Co., Ltd., 55 Yokohoonji, Kamiich-machi, Nakaniikawa-gun, Toyama 930-0405, Japan
| | | | - Behnaz Shakersain
- AstaReal AB, Signum, Forumvägen 14, Level 16, 131 53 Nacka, Sweden; (P.C.B.); (B.S.)
| | - Karen Hecht
- AstaReal, Inc., 3 Terri Lane, Unit 12, Burlington, NJ 08016, USA;
| | - Akiko Takikawa
- First Department of Internal Medicine, Faculty of Medicine, University of Toyama, 2630 Sugitani, Toyama 930-0194, Japan;
| | - Ruohan Tao
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Yumeka Kakuta
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Chiasa Uragami
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Hideki Hashimoto
- Graduate School of Science and Technology, Kwansei Gakuin University, 1 Gakuen-Uegahara, Sanda 669-1330, Japan; (R.T.); (Y.K.); (C.U.); (H.H.)
| | - Norihiko Misawa
- Research Institute for Bioresources and Biotechnology, Ishikawa Prefectural University, Suematsu, Nonoichi-shi 921-8836, Japan;
| | - Takashi Maoka
- Research Institute for Production Development, 15 Shimogamo-morimoto-cho, Sakyo-ku, Kyoto 606-0805, Japan
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4
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Martin AJ, Shackleford DM, Charman SA, Wagstaff KM, Porter CJH, Jans DA. Increased In Vivo Exposure of N-(4-Hydroxyphenyl) Retinamide (4-HPR) to Achieve Plasma Concentrations Effective against Dengue Virus. Pharmaceutics 2023; 15:1974. [PMID: 37514160 PMCID: PMC10384639 DOI: 10.3390/pharmaceutics15071974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
N-(4-hydroxyphenyl) retinamide (4-HPR, or fenretinide) has promising in vitro and in vivo antiviral activity against a range of flaviviruses and an established safety record, but there are challenges to its clinical use. This study evaluated the in vivo exposure profile of a 4-HPR dosage regime previously shown to be effective in a mouse model of severe dengue virus (DENV) infection, comparing it to an existing formulation for human clinical use for other indications and developed/characterised self-emulsifying lipid-based formulations of 4-HPR to enhance 4-HPR in vivo exposure. Pharmacokinetic (PK) analysis comprising single-dose oral and IV plasma concentration-time profiles was performed in mice; equilibrium solubility testing of 4-HPR in a range of lipids, surfactants and cosolvents was used to inform formulation approaches, with lead formulation candidates digested in vitro to analyse solubilisation/precipitation prior to in vivo testing. PK analysis suggested that effective plasma concentrations could be achieved with the clinical formulation, while novel lipid-based formulations achieved > 3-fold improvement. Additionally, 4-HPR exposure was found to be limited by both solubility and first-pass intestinal elimination but could be improved through inhibition of cytochrome P450 (CYP) metabolism. Simulated exposure profiles suggest that a b.i.d dosage regime is likely to maintain 4-HPR above the minimum effective plasma concentration for anti-DENV activity using the clinical formulation, with new formulations/CYP inhibition viable options to increase exposure in the future.
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Affiliation(s)
- Alexander J Martin
- Nuclear Signalling Laboratory, Department Biochem. & Mol. Biol., Biomedicine Discovery Institute, Monash University, Clayton 3800, Victoria, Australia
| | - David M Shackleford
- Centre for Drug Candidate Optimisation, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville 3052, Victoria, Australia
| | - Susan A Charman
- Centre for Drug Candidate Optimisation, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville 3052, Victoria, Australia
| | - Kylie M Wagstaff
- Nuclear Signalling Laboratory, Department Biochem. & Mol. Biol., Biomedicine Discovery Institute, Monash University, Clayton 3800, Victoria, Australia
| | - Christopher J H Porter
- Drug Delivery Disposition and Dynamics, Monash Institute of Pharmaceutical Sciences, Monash University, 381 Royal Parade, Parkville 3052, Victoria, Australia
| | - David A Jans
- Nuclear Signalling Laboratory, Department Biochem. & Mol. Biol., Biomedicine Discovery Institute, Monash University, Clayton 3800, Victoria, Australia
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5
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Organoid-derived intestinal epithelial cells are a suitable model for preclinical toxicology and pharmacokinetic studies. iScience 2022; 25:104542. [PMID: 35754737 PMCID: PMC9218437 DOI: 10.1016/j.isci.2022.104542] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/06/2022] [Accepted: 06/02/2022] [Indexed: 12/28/2022] Open
Abstract
Intestinal organoids are physiologically relevant tools used for cellular models. However, the suitability of organoids to examine biological functions over existing established cell lines lacks sufficient evidence. Cytochrome P450 3A4 (CYP3A4) induction by pregnane X receptor ligands, glucose uptake via sodium/glucose cotransporter 1, and microsomal triglyceride transfer protein-dependent ApoB-48 secretion, which are critical for human intestinal metabolism, were observed in organoid-derived two-dimensional cells but little in Caco-2 cells. CYP3A4 induction evaluation involved a simplified method of establishing organoids that constitutively expressed a reporter gene. Compound screening identified several anticancer drugs with selective activities toward Caco-2 cells, highlighting their characteristics as cancer cells. Another compound screening revealed a decline in N-(4-hydroxyphenyl)retinamide cytotoxicity upon rifampicin treatment in organoid-derived cells, under CYP3A4-induced conditions. This study shows that organoid-derived intestinal epithelial cells (IECs) possess similar physiological properties as intestinal epithelium and can serve as tools for enhancing the prediction of biological activity in humans. Comparison of mRNA expression between organoid-derived intestinal epithelial cells (IECs) and Caco-2 cells Evaluation of CYP3A4, SGLT1, and MTP protein function in organoid-derived IECs Identification of anti-cancer drugs as selective cytotoxicity against Caco-2 cells Reduction of N-(4-hydroxyphenyl)retinamide (4-HPR) cytotoxicity by rifampicin in organoid-derived IECs
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6
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Miller AP, Black M, Amengual J. Fenretinide inhibits vitamin A formation from β-carotene and regulates carotenoid levels in mice. Biochim Biophys Acta Mol Cell Biol Lipids 2022; 1867:159070. [PMID: 34742949 PMCID: PMC8688340 DOI: 10.1016/j.bbalip.2021.159070] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 10/14/2021] [Accepted: 11/02/2021] [Indexed: 02/03/2023]
Abstract
N-[4-hydroxyphenyl]retinamide, commonly known as fenretinide, a synthetic retinoid with pleiotropic benefits for human health, is currently utilized in clinical trials for cancer, cystic fibrosis, and COVID-19. However, fenretinide reduces plasma vitamin A levels by interacting with retinol-binding protein 4 (RBP4), which often results in reversible night blindness in patients. Cell culture and in vitro studies show that fenretinide binds and inhibits the activity of β-carotene oxygenase 1 (BCO1), the enzyme responsible for endogenous vitamin A formation. Whether fenretinide inhibits vitamin A synthesis in mammals, however, remains unknown. The goal of this study was to determine if the inhibition of BCO1 by fenretinide affects vitamin A formation in mice fed β-carotene. Our results show that wild-type mice treated with fenretinide for ten days had a reduction in tissue vitamin A stores accompanied by a two-fold increase in β-carotene in plasma (P < 0.01) and several tissues. These effects persisted in RBP4-deficient mice and were independent of changes in intestinal β-carotene absorption, suggesting that fenretinide inhibits vitamin A synthesis in mice. Using Bco1-/- and Bco2-/- mice we also show that fenretinide regulates intestinal carotenoid and vitamin E uptake by activating vitamin A signaling during short-term vitamin A deficiency. This study provides a deeper understanding of the impact of fenretinide on vitamin A, carotenoid, and vitamin E homeostasis, which is crucial for the pharmacological utilization of this retinoid.
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Affiliation(s)
- Anthony P Miller
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL 61801, United States of America.
| | - Molly Black
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL 61801, United States of America.
| | - Jaume Amengual
- Department of Food Science and Human Nutrition, University of Illinois Urbana Champaign, Urbana, IL 61801, United States of America; Division of Nutritional Sciences, University of Illinois Urbana Champaign, Urbana, IL 61801, United States of America.
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7
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Vorinostat and fenretinide synergize in preclinical models of T-cell lymphoid malignancies. Anticancer Drugs 2020; 32:34-43. [PMID: 33079733 DOI: 10.1097/cad.0000000000001008] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
T-cell lymphoid malignancies (TCLMs) are in need of novel and more effective therapies. The histone deacetylase (HDAC) inhibitors and the synthetic cytotoxic retinoid fenretinide have achieved durable clinical responses in T-cell lymphomas as single agents, and patients who failed prior HDAC inhibitor treatment have responded to fenretinide. We have previously shown fenretinide synergized with the class I HDAC inhibitor romidepsin in preclinical models of TCLMs. There exist some key differences between HDAC inhibitors. Therefore, we determined if the pan-HDAC inhibitor vorinostat synergizes with fenretinide. We demonstrated cytotoxic synergy between vorinostat and fenretinide in nine TCLM cell lines at clinically achievable concentrations that lacked cytotoxicity for non-malignant cells (fibroblasts and blood mononuclear cells). In vivo, vorinostat + fenretinide + ketoconazole (enhances fenretinide exposures by inhibiting fenretinide metabolism) showed greater activity in subcutaneous TCLM xenograft models than other groups. Fenretinide + vorinostat increased reactive oxygen species (ROS, measured by 2',7'-dichlorodihydrofluorescein diacetate dye), resulting in increased apoptosis (via transferase dUTP nick end labeling assay) and histone acetylation (by immunoblotting). The synergistic cytotoxicity, apoptosis, and histone acetylation of fenretinide + vorinostat was abrogated by the antioxidant vitamin C. Like romidepsin, vorinostat combined with fenretinide achieved synergistic cytotoxic activity and increased histone acetylation in preclinical models of TCLMs, but not in non-malignant cells. As vorinostat is an oral agent and not a P-glycoprotein substrate it may have advantages in such combination therapy. These data support conducting a clinical trial of vorinostat combined with fenretinide in relapsed and refractory TCLMs.
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8
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Twomey E, Johnson JD, Castroviejo-Fisher S, Van Bocxlaer I. A ketocarotenoid-based colour polymorphism in the Sira poison frog Ranitomeya sirensis indicates novel gene interactions underlying aposematic signal variation. Mol Ecol 2020; 29:2004-2015. [PMID: 32402099 DOI: 10.1111/mec.15466] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 04/30/2020] [Accepted: 05/04/2020] [Indexed: 01/12/2023]
Abstract
The accumulation of red ketocarotenoids is an important component of coloration in many organisms, but the underlying mechanisms are poorly understood. In some organisms, ketocarotenoids are sequestered from the diet and can accumulate when enzymes responsible for carotenoid breakdown are disrupted. In other organisms, ketocarotenoids are formed endogenously from dietary precursors via oxidation reactions carried out by carotenoid ketolase enzymes. Here, we study the genetic basis of carotenoid coloration in an amphibian. We demonstrate that a red/yellow polymorphism in the dendrobatid poison frog Ranitomeya sirensis is due to the presence/absence of ketocarotenoids. Using whole-transcriptome sequencing of skins and livers, we found that a transcript encoding a cytochrome P450 enzyme (CYP3A80) is expressed 3.4-fold higher in livers of red frogs versus yellow. As CYP3A enzymes are known carotenoid ketolases in other organisms, our results point to CYP3A80 as a strong candidate for a carotenoid ketolase in amphibians. Furthermore, in red frogs, the transcript encoding the carotenoid cleavage enzyme BCO2 is expressed at a low level or as a splice variant lacking key catalytic amino acids. This suggests that BCO2 function may be disrupted in red frogs, providing a mechanism whereby the accumulation of ketocarotenoids and their dietary precursors may be enhanced.
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Affiliation(s)
- Evan Twomey
- Laboratorio de Sistemática de Vertebrados, Pontificia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.,Amphibian Evolution Laboratory, Biology Department, Vrije Universiteit Brussel, Brussels, Belgium
| | - James D Johnson
- Department of Chemistry, Florida State University, Tallahassee, FL, USA
| | - Santiago Castroviejo-Fisher
- Laboratorio de Sistemática de Vertebrados, Pontificia Universidade Católica do Rio Grande do Sul (PUCRS), Porto Alegre, Brazil.,Department of Herpetology, American Museum of Natural History, New York, NY, USA
| | - Ines Van Bocxlaer
- Amphibian Evolution Laboratory, Biology Department, Vrije Universiteit Brussel, Brussels, Belgium
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Kroll A, Cho HE, Kang MH. Antineoplastic Agents Targeting Sphingolipid Pathways. Front Oncol 2020; 10:833. [PMID: 32528896 PMCID: PMC7256948 DOI: 10.3389/fonc.2020.00833] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 04/28/2020] [Indexed: 12/16/2022] Open
Abstract
Emerging studies in the enigmatic area of bioactive lipids have made many exciting new discoveries in recent years. Once thought to play a strictly structural role in cellular function, it has since been determined that sphingolipids and their metabolites perform a vast variety of cellular functions beyond what was previously believed. Of utmost importance is their role in cellular signaling, for it is now well understood that select sphingolipids serve as bioactive molecules that play critical roles in both cancer cell death and survival, as well as other cellular responses such as chronic inflammation, protection from intestinal pathogens, and intrinsic protection from intestinal contents, each of which are associated with oncogenesis. Importantly, it has been demonstrated time and time again that many different tumors display dysregulation of sphingolipid metabolism, and the exact profile of said dysregulation has been proven to be useful in determining not only the presence of a tumor, but also the susceptibility to various chemotherapeutic drugs, as well as the metastasizing characteristics of the malignancies. Since these discoveries surfaced it has become apparent that the understanding of sphingolipid metabolism and profile will likely become of great importance in the clinic for both chemotherapy and diagnostics of cancer. The goal of this paper is to provide a comprehensive review of the current state of chemotherapeutic agents that target sphingolipid metabolism that are undergoing clinical trials. Additionally, we will formulate questions involving the use of sphingolipid metabolism as chemotherapeutic targets in need of further research.
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Affiliation(s)
- Alexander Kroll
- School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, United States
| | - Hwang Eui Cho
- Cancer Center, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, United States.,Department of Pediatrics, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, United States
| | - Min H Kang
- Cancer Center, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, United States.,Department of Pediatrics, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX, United States
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Orienti I, Nguyen F, Guan P, Kolla V, Calonghi N, Farruggia G, Chorny M, Brodeur GM. A Novel Nanomicellar Combination of Fenretinide and Lenalidomide Shows Marked Antitumor Activity in a Neuroblastoma Xenograft Model. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:4305-4319. [PMID: 31908416 PMCID: PMC6930389 DOI: 10.2147/dddt.s221909] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 12/05/2019] [Indexed: 12/18/2022]
Abstract
Purpose Currently >50% of high-risk neuroblastoma (NB) patients, despite intensive therapy and initial partial or complete response, develop recurrent NB due to the persistence of minimal residual disease (MRD) that is resistant to conventional antitumor drugs. Indeed, their low therapeutic index prevents drug-dose escalation and protracted administration schedules, as would be required for MRD treatment. Thus, more effective and less toxic therapies are urgently needed for the management of MRD. To address this aim, we evaluated a new combination of fenretinide and lenalidomide, both endowed with antitumor activity and low-toxicity profiles. New nanomicelles were prepared as carriers for this combination to maximize bioavailability and accumulation at the tumor site because of the enhanced permeability and retention (EPR) effect. Experimental design New nanomicelles containing the fenretinide–lenalidomide combination (FLnMs) were prepared by a one-step method, providing high drug encapsulation and micelle dimensions suitable for tumor accumulation. Their administration to mice bearing human NB xenografts allowed us to evaluate their efficacy in comparison with the nanomicelles containing fenretinide alone (FnMs). Results Treatment by FLnMs significantly decreased the tumor growth of NB xenografts. FLnMs were more active than FnMs despite comparable fenretinide concentrations in tumors, and lenalidomide alone did not show cytotoxic activity in vitro against NB cells. The tumor mass at the end of treatment with FLnMs was predominantly necrotic, with a decreased Ki-67 proliferation index. Conclusion FLnMs provided superior antitumor efficacy in NB xenografts compared to FnMs. The enhanced efficacy of the combination was likely due to the antiangiogenic effect of lenalidomide added to the cytotoxic effect of fenretinide. This new nanomicellar combination is characterized by a low-toxicity profile and offers a novel therapeutic option for the treatment of high-risk tumors where the persistence of MRD requires repeated administrations of therapeutic agents over long periods of time to avoid recurrent disease.
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Affiliation(s)
- Isabella Orienti
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna 40127, Italy
| | - Ferro Nguyen
- Divisions of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Peng Guan
- Divisions of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Venkatadri Kolla
- Divisions of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Natalia Calonghi
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna 40127, Italy
| | - Giovanna Farruggia
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna 40127, Italy
| | - Michael Chorny
- Divisions of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
| | - Garrett M Brodeur
- Divisions of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA
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11
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Xiong J, Kuang X, Lu T, Liu X, Cheng B, Wang W, Wei D, Li X, Zhang Z, Fang Q, Wu D, Wang J. Fenretinide-induced Apoptosis of Acute Myeloid Leukemia Cells via NR4A1 Translocation into Mitochondria and Bcl-2 Transformation. J Cancer 2019; 10:6767-6778. [PMID: 31839811 PMCID: PMC6909957 DOI: 10.7150/jca.32167] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 09/01/2019] [Indexed: 01/10/2023] Open
Abstract
OBJECTIVE: Fenretinide is reported to induce NR4A1-associated apoptosis in several types of cancer cells. However, it remains unclear about its specific role and the underlying mechanism in acute myeloid leukemia (AML). Therefore, this study aimed to explore the role and mechanism of fenretinide-induced apoptosis in AML. METHOD: Firstly, the NR4A1 mRNA level in the newly diagnosed AML patients was measured, then AML cells were treated with fenretinide at various time points and doses, and cell viability was investigated by using the cell-counting kit-8 (CCK-8) assay. Additionally, apoptosis and cell cycles were analyzed by using flow cytometry. Moreover, siNR4A1 was utilized to knockdown NR4A1 expression, and leptomycin B (LMB) was adopted to inhibit the nuclear export; afterwards, the apoptosis rate and expression of apoptotic proteins in AML cells were detected. In addition, the expression levels of NR4A1 in the nuclei and mitochondria of fenretinide-treated AML cells were also measured. Meanwhile, the interaction between NR4A1 and Bcl-2, as well as the Bcl-2 transformation, was also examined. The anti-leukemic effect of fenretinide on NOD/SCID mice was also determined through subcutaneous injection of HL-60 cells. RESULTS: NR4A1 expression in AML patients was markedly down-regulated compared with that in normal donors. Fenretinide induced the expression of NR4A1 and mitochondria-mediated apoptotic pathway-associated proteins in a time- and concentration-dependent manner. Importantly, both siNR4A1 alone or the combination of fenretinide with LMB could attenuate the fenretinide-induced apoptosis and expression of apoptotic proteins. Under the action of fenretinide, the NR4A1 protein expression was down-regulated in nuclear extracts whereas up-regulated in mitochondrial extracts. At the same time, fenretinide promoted NR4A1 translocation from nuclei into mitochondria, and enhanced the interaction between NR4A1 and Bcl-2, thereby exposing the BH3 domain of Bcl-2 to exert the anti-apoptotic effect. Moreover, fenretinide also exhibited an anti-leukemic effect and induced NR4A1 expression in the AML mouse model. CONCLUSIONS: Fenretinide exerts an obvious effect on AML cells both in vitro and in vivo. Besides, the NR4A1-mediated signaling pathway is highly involved in the fenretinide-induced apoptosis of AML cells.
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Affiliation(s)
- Jie Xiong
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Key Laboratory of Thrombosis and Hemostasis under Ministry of Health, Collaborative Innovation Center of Hematology, Suzhou Institute of Blood and Marrow Transplantation,188 Shizi Street, Suzhou 215006, Jiangsu, China.,Department of Hematology, The Affiliated Hospital of Guizhou Medical University. Hematopoietic Stem Cell Transplantation Center of Guizhou Province, Key Laboratory of Hematological Disease Diagnostic & Treat Centre of Guizhou Province. Guizhou Medical University, Guiyang 550001, China
| | - Xingyi Kuang
- Department of Hematology, The Affiliated Hospital of Guizhou Medical University. Hematopoietic Stem Cell Transplantation Center of Guizhou Province, Key Laboratory of Hematological Disease Diagnostic & Treat Centre of Guizhou Province. Guizhou Medical University, Guiyang 550001, China
| | - Tingting Lu
- Department of Hematology, The Affiliated Hospital of Guizhou Medical University. Hematopoietic Stem Cell Transplantation Center of Guizhou Province, Key Laboratory of Hematological Disease Diagnostic & Treat Centre of Guizhou Province. Guizhou Medical University, Guiyang 550001, China
| | - Xu Liu
- Department of Critical Care Medicine, Affiliated Hospital of Guizhou Medical University, Guiyang 550001, China
| | - Bingqing Cheng
- Department of Hematology, The Affiliated Hospital of Guizhou Medical University. Hematopoietic Stem Cell Transplantation Center of Guizhou Province, Key Laboratory of Hematological Disease Diagnostic & Treat Centre of Guizhou Province. Guizhou Medical University, Guiyang 550001, China
| | - Weili Wang
- Department of Hematology, The Affiliated Hospital of Guizhou Medical University. Hematopoietic Stem Cell Transplantation Center of Guizhou Province, Key Laboratory of Hematological Disease Diagnostic & Treat Centre of Guizhou Province. Guizhou Medical University, Guiyang 550001, China
| | - Danna Wei
- Department of Hematology, The Affiliated Hospital of Guizhou Medical University. Hematopoietic Stem Cell Transplantation Center of Guizhou Province, Key Laboratory of Hematological Disease Diagnostic & Treat Centre of Guizhou Province. Guizhou Medical University, Guiyang 550001, China
| | - Xinyao Li
- Department of Hematology, The Affiliated Hospital of Guizhou Medical University. Hematopoietic Stem Cell Transplantation Center of Guizhou Province, Key Laboratory of Hematological Disease Diagnostic & Treat Centre of Guizhou Province. Guizhou Medical University, Guiyang 550001, China
| | - Zhaoyuan Zhang
- Department of Hematology, The Affiliated Hospital of Guizhou Medical University. Hematopoietic Stem Cell Transplantation Center of Guizhou Province, Key Laboratory of Hematological Disease Diagnostic & Treat Centre of Guizhou Province. Guizhou Medical University, Guiyang 550001, China
| | - Qin Fang
- Department of Pharmacy, Affiliated Hospital of Guizhou Medical University, Guiyang 550001, China
| | - Depei Wu
- Jiangsu Institute of Hematology, The First Affiliated Hospital of Soochow University, Key Laboratory of Thrombosis and Hemostasis under Ministry of Health, Collaborative Innovation Center of Hematology, Suzhou Institute of Blood and Marrow Transplantation,188 Shizi Street, Suzhou 215006, Jiangsu, China
| | - Jishi Wang
- Department of Hematology, The Affiliated Hospital of Guizhou Medical University. Hematopoietic Stem Cell Transplantation Center of Guizhou Province, Key Laboratory of Hematological Disease Diagnostic & Treat Centre of Guizhou Province. Guizhou Medical University, Guiyang 550001, China
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12
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Nguyen TH, Koneru B, Wei SJ, Chen WH, Makena MR, Urias E, Kang MH, Reynolds CP. Fenretinide via NOXA Induction, Enhanced Activity of the BCL-2 Inhibitor Venetoclax in High BCL-2–Expressing Neuroblastoma Preclinical Models. Mol Cancer Ther 2019; 18:2270-2282. [DOI: 10.1158/1535-7163.mct-19-0385] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 07/25/2019] [Accepted: 08/27/2019] [Indexed: 11/16/2022]
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13
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Orienti I, Salvati V, Sette G, Zucchetti M, Bongiorno-Borbone L, Peschiaroli A, Zolla L, Francescangeli F, Ferrari M, Matteo C, Bello E, Di Virgilio A, Falchi M, De Angelis ML, Baiocchi M, Melino G, De Maria R, Zeuner A, Eramo A. A novel oral micellar fenretinide formulation with enhanced bioavailability and antitumour activity against multiple tumours from cancer stem cells. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2019; 38:373. [PMID: 31439019 PMCID: PMC6706930 DOI: 10.1186/s13046-019-1383-9] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Accepted: 08/13/2019] [Indexed: 11/15/2022]
Abstract
Background An increasing number of anticancer agents has been proposed in recent years with the attempt to overcome treatment-resistant cancer cells and particularly cancer stem cells (CSC), the major culprits for tumour resistance and recurrence. However, a huge obstacle to treatment success is the ineffective delivery of drugs within the tumour environment due to limited solubility, short circulation time or inconsistent stability of compounds that, together with concomitant dose-limiting systemic toxicity, contribute to hamper the achievement of therapeutic drug concentrations. The synthetic retinoid Fenretinide (4-hydroxy (phenyl)retinamide; 4-HPR) formerly emerged as a promising anticancer agent based on pre-clinical and clinical studies. However, a major limitation of fenretinide is traditionally represented by its poor aqueous solubility/bioavailability due to its hydrophobic nature, that undermined the clinical success of previous clinical trials. Methods Here, we developed a novel nano-micellar fenretinide formulation called bionanofenretinide (Bio-nFeR), based on drug encapsulation in an ion-pair stabilized lipid matrix, with the aim to raise fenretinide bioavailability and antitumour efficacy. Results Bio-nFeR displayed marked antitumour activity against lung, colon and melanoma CSC both in vitro and in tumour xenografts, in absence of mice toxicity. Bio-nFeR is suitable for oral administration, reaching therapeutic concentrations within tumours and an unprecedented therapeutic activity in vivo as single agent. Conclusion Altogether, our results indicate Bio-nFeR as a novel anticancer agent with low toxicity and high activity against tumourigenic cells, potentially useful for the treatment of solid tumours of multiple origin. Electronic supplementary material The online version of this article (10.1186/s13046-019-1383-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Isabella Orienti
- Department of Pharmacy and Biotechnology, University of Bologna, Bologna, Italy
| | - Valentina Salvati
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy.,Istituto di Patologia Generale, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Giovanni Sette
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy.,Istituto di Patologia Generale, Università Cattolica del Sacro Cuore, Rome, Italy
| | - Massimo Zucchetti
- Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | | | - Angelo Peschiaroli
- National Research Council of Italy (CNR), Institute of Translational Pharmacology IFT, Rome, Italy
| | - Lello Zolla
- Department of Ecological and Biological Sciences, University of Tuscia, Viterbo, Italy
| | | | - Mariella Ferrari
- Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Cristina Matteo
- Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Ezia Bello
- Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - Antonio Di Virgilio
- Service for Biotechnology and Animal Welfare, Istituto Superiore di Sanità, Rome, Italy
| | - Mario Falchi
- National AIDS Center, Istituto Superiore di Sanità, Rome, Italy
| | - Maria Laura De Angelis
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Marta Baiocchi
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Gerry Melino
- Department of Experimental Medicine, TOR, University of Rome "Tor Vergata", Rome, Italy
| | - Ruggero De Maria
- Istituto di Patologia Generale, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario "A. Gemelli" - I.R.C.C.S, Rome, Italy
| | - Ann Zeuner
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy
| | - Adriana Eramo
- Department of Oncology and Molecular Medicine, Istituto Superiore di Sanità, Rome, Italy.
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14
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Cytotoxicity and molecular activity of fenretinide and metabolites in T-cell lymphoid malignancy, neuroblastoma, and ovarian cancer cell lines in physiological hypoxia. Anticancer Drugs 2019; 30:117-127. [DOI: 10.1097/cad.0000000000000696] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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15
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Makena MR, Cho HE, Nguyen TH, Koneru B, Verlekar DU, Hindle A, Kang MH, Reynolds CP. Cytotoxic activity of difluoromethylornithine compared with fenretinide in neuroblastoma cell lines. Pediatr Blood Cancer 2018; 65:e27447. [PMID: 30251395 PMCID: PMC9621602 DOI: 10.1002/pbc.27447] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 07/31/2018] [Indexed: 12/17/2022]
Abstract
BACKGROUND Maintenance therapy with 13-cis-retinoic acid and immunotherapy (given after completion of intensive cytotoxic therapy) improves outcome for high-risk neuroblastoma patients. The synthetic retinoid fenretinide (4-HPR) achieved multiple complete responses in relapse/refractory neuroblastoma in early-phase clinical trials, has low systemic toxicity, and has been considered for maintenance therapy clinical trials. Difluoromethylornithine (DFMO, an irreversible inhibitor of ornithine decarboxylase with minimal single-agent clinical response data) is being used for maintenance therapy of neuroblastoma. We evaluated the cytotoxic activity of DFMO and fenretinide in neuroblastoma cell lines. PROCEDURE We tested 16 neuroblastoma cell lines in bone marrow-level hypoxia (5% O2 ) using the DIMSCAN cytotoxicity assay. Polyamines were measured by HPLC-mass spectrometry and apoptosis by transferase dUTP nick end labeling (TUNEL) using flow cytometry. RESULTS At clinically achievable levels (100 μM), DFMO significantly decreased (P < 0.05) polyamine putrescine and achieved modest cytotoxicity (<1 log (90% cytotoxicity). Prolonged exposures (7 days) or culture in 2% and 20% O2 did not enhance DFMO cytotoxicity. However, fenretinide (10 μM) even at a concentration lower than clinically achievable in neuroblastoma patients (20 μM) induced ≥ 1 log cell kill in 14 cell lines. The average IC90 and IC99 of fenretinide was 4.7 ± 1 μM and 9.9 ± 1.8 μM, respectively. DFMO did not induce a significant increase (P > 0.05) in apoptosis (TUNEL assay). Apoptosis by fenretinide was significantly higher (P < 0.001) compared with DFMO or controls. CONCLUSIONS DFMO as a single agent has minimal cytotoxic activity for neuroblastoma cell lines.
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Affiliation(s)
- Monish R. Makena
- Cancer Center, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Departments of Cell Biology & Biochemistry, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX
| | - Hwang Eui Cho
- Cancer Center, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Departments of Cell Biology & Biochemistry, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX
| | - Thinh H. Nguyen
- Cancer Center, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Pharmacology and Neuroscience, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX
| | - Balakrishna Koneru
- Cancer Center, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Departments of Cell Biology & Biochemistry, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX
| | - Dattesh U. Verlekar
- Cancer Center, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Departments of Cell Biology & Biochemistry, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX
| | - Ashly Hindle
- Cancer Center, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Departments of Cell Biology & Biochemistry, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX
| | - Min H. Kang
- Cancer Center, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Departments of Cell Biology & Biochemistry, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Pharmacology and Neuroscience, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX
| | - C. Patrick Reynolds
- Cancer Center, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Departments of Cell Biology & Biochemistry, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Pharmacology and Neuroscience, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Pediatrics, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX.,Internal Medicine, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX
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16
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Cooper JP, Reynolds CP, Cho H, Kang MH. Clinical development of fenretinide as an antineoplastic drug: Pharmacology perspectives. Exp Biol Med (Maywood) 2017; 242:1178-1184. [PMID: 28429653 PMCID: PMC5478002 DOI: 10.1177/1535370217706952] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Fenretinide (4-HPR) is a synthetic retinoid that has cytotoxic activity against cancer cells. Despite substantial in vitro cytotoxicity, response rates in early clinical trials with 4-HPR have been less than anticipated, likely due to the low bioavailability of the initial oral capsule formulation. Several clinical studies have shown that the oral capsule formulation at maximum tolerated dose (MTD) achieved <10 µmol/L concentrations in patients. To improve bioavailability of 4-HPR, new oral powder (LYM-X-SORB®, LXS) and intravenous lipid emulsion (ILE) formulations are being tested in early-phase clinical trials. ILE 4-HPR administered as five-day continuous infusion achieved over 50 µmol/L at MTD with minimal systemic toxicities; multiple complete and partial responses were observed in peripheral T cell lymphomas. The LXS oral powder 4-HPR formulation increased plasma levels approximately two-fold at MTD in children without dose-limiting toxicities and demonstrated multiple complete responses in recurrent neuroblastoma. The clinical activity observed with new 4-HPR formulations is attributed to increased bioavailability. Phase I and II clinical trials of both LXS 4-HPR and ILE 4-HPR are in progress as a single agent or in combination with other drugs. Impact statement One of the critical components in drug development is understanding pharmacology (especially pharmacokinetics) of the drugs being developed. Often the pharmacokinetic properties, such as poor solubility leading to poor bioavailability, of the drug can limit further development of the drug. The development of numerous drugs has often halted at clinical testing stages, and several of them were due to the pharmacological properties of the agents, resulting in increased drug development cost. The current review provides an example of how improved clinical activity can be achieved by changing the formulations of a drug with poor bioavailability. Thus, it emphasizes the importance of understanding pharmacologic characteristics of the drug in drug development.
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Affiliation(s)
- Jason P Cooper
- Cancer Center, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Cell Biology & Biochemistry, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Divisions of Hematology and Medical Oncology, Fred Hutchinson Cancer Research Center and University of Washington School of Medicine, Seattle, WA 98109, USA
| | - C Patrick Reynolds
- Cancer Center, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Cell Biology & Biochemistry, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Pharmacology & Neuroscience, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Internal Medicine, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Pediatrics, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - Hwangeui Cho
- Cancer Center, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Cell Biology & Biochemistry, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
| | - Min H Kang
- Cancer Center, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Cell Biology & Biochemistry, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Pharmacology & Neuroscience, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
- Department of Internal Medicine, School of Medicine, Texas Tech University Health Sciences Center, Lubbock, TX 79430, USA
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17
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Lopez-Barcons L, Maurer BJ, Kang MH, Reynolds CP. P450 inhibitor ketoconazole increased the intratumor drug levels and antitumor activity of fenretinide in human neuroblastoma xenograft models. Int J Cancer 2017; 141:405-413. [PMID: 28340497 DOI: 10.1002/ijc.30706] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2016] [Revised: 02/22/2017] [Accepted: 03/13/2017] [Indexed: 01/02/2023]
Abstract
We previously reported that concurrent ketoconazole, an oral anti-fungal agent and P450 enzyme inhibitor, increased plasma levels of the cytotoxic retinoid, fenretinide (4-HPR) in mice. We have now determined the effects of concurrent ketoconazole on 4-HPR cytotoxic dose-response in four neuroblastoma (NB) cell lines in vitro and on 4-HPR activity against two cell line-derived, subcutaneous NB xenografts (CDX) and three patient-derived NB xenografts (PDX). Cytotoxicity in vitro was assessed by DIMSCAN assay. Xenografted animals were treated with 4-HPR/LXS (240 mg/kg/day) + ketoconazole (38 mg/kg/day) in divided oral doses in cycles of five continuous days a week. In one model, intratumoral levels of 4-HPR and metabolites were assessed by HPLC assay, and in two models intratumoral apoptosis was assessed by TUNEL assay, on Day 5 of the first cycle. Antitumor activity was assessed by Kaplan-Meier event-free survival (EFS). The in vitro cytotoxicity of 4-HPR was not affected by ketoconazole (p ≥ 0.06). Ketoconazole increased intratumoral levels of 4-HPR (p = 0.02), of the active 4-oxo-4-HPR metabolite (p = 0.04), and intratumoral apoptosis (p ≤ 0.0006), compared to 4-HPR/LXS-alone. Concurrent ketoconazole increased EFS in both CDX models compared to 4-HPR/LXS-alone (p ≤ 0.008). 4-HPR + ketoconazole also increased EFS in PDX models compared to controls (p ≤ 0.03). Thus, concurrent ketoconazole decreased 4-HPR metabolism with resultant increases of plasma and intratumoral drug levels and antitumor effects in neuroblastoma murine xenografts. These results support the clinical testing of concurrent ketoconazole and oral fenretinide in neuroblastoma.
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Affiliation(s)
- Lluis Lopez-Barcons
- Cancer Center and Department of Cell Biology and Biochemistry, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX, 79430
| | - Barry J Maurer
- Cancer Center and Departments of Cell Biology and Biochemistry, Pediatrics and Internal Medicine, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX, 79430
| | - Min H Kang
- Cancer Center and Departments of Cell Biology and Biochemistry, Internal Medicine, and Pharmacology/Neuroscience, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX, 79430
| | - C Patrick Reynolds
- Cancer Center and Departments of Cell Biology and Biochemistry, Pediatrics and Internal Medicine, Texas Tech University Health Sciences Center School of Medicine, Lubbock, TX, 79430
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18
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Poliakov E, Samuel W, Duncan T, Gutierrez DB, Mata NL, Redmond TM. Inhibitory effects of fenretinide metabolites N-[4-methoxyphenyl]retinamide (MPR) and 4-oxo-N-(4-hydroxyphenyl)retinamide (3-keto-HPR) on fenretinide molecular targets β-carotene oxygenase 1, stearoyl-CoA desaturase 1 and dihydroceramide Δ4-desaturase 1. PLoS One 2017; 12:e0176487. [PMID: 28448568 PMCID: PMC5407626 DOI: 10.1371/journal.pone.0176487] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Accepted: 04/11/2017] [Indexed: 01/10/2023] Open
Abstract
The therapeutic capacity of fenretinide (N-[4-hydroxyphenyl] retinamide; 4-HPR) has been demonstrated for several conditions, including cancer, obesity, diabetes, and ocular disease. Yet, the mechanisms of action for its pleiotropic effects are still undefined. We hypothesized that investigation of two of the major physiological metabolites of fenretinide, N-[4-methoxyphenyl]retinamide (MPR) and 4-oxo-N-(4-hydroxyphenyl)retinamide (3-keto-HPR), might begin to resolve the multifaceted effects of this synthetic retinoid. We analyzed the effects of fenretinide, MPR, 3-keto-HPR, and the non-retinoid RBP4 ligand A1120, on the activity of known targets of fenretinide, stearoyl-CoA desaturase 1 (SCD1) and dihydroceramide Δ4-desaturase 1 (DES1) in ARPE-19 cells, and purified recombinant mouse beta-carotene oxygenase 1 (BCO1) in vitro. Lipids and retinoids were extracted and quantified by liquid chromatography-mass spectrometry and reversed phase HPLC, respectively. The data demonstrate that while fenretinide is an inhibitor of the activities of these three enzymes, that 3-keto-HPR is a more potent inhibitor of all three enzymes, potentially mediating most of the in vivo beneficial effects of fenretinide. However, while MPR does not affect SCD1 and DES1 activity, it is a potent specific inhibitor of BCO1. We conclude that a deeper understanding of the mechanisms of action of fenretinide and its metabolites provides new avenues for therapeutic specificity. For example, administration of 3-keto-HPR instead of fenretinide may be preferential if inhibition of SCD1 or DES1 activity is the goal (cancer), while MPR may be better for BCO1 modulation (carotenoid metabolism). Continued investigation of fenretinide metabolites in the context of fenretinide’s various therapeutic uses will begin to resolve the pleotropic nature of this compound.
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Affiliation(s)
- Eugenia Poliakov
- Laboratory of Retinal Cell and Molecular Biology, National Eye Institute, National Institutes of Health, Bethesda, Maryland, United States of America
- * E-mail: (EP); (TMR)
| | - William Samuel
- Laboratory of Retinal Cell and Molecular Biology, National Eye Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Todd Duncan
- Laboratory of Retinal Cell and Molecular Biology, National Eye Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Danielle B. Gutierrez
- Laboratory of Retinal Cell and Molecular Biology, National Eye Institute, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Nathan L. Mata
- Acucela Inc., Seattle, Washington, United States of America
| | - T. Michael Redmond
- Laboratory of Retinal Cell and Molecular Biology, National Eye Institute, National Institutes of Health, Bethesda, Maryland, United States of America
- * E-mail: (EP); (TMR)
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19
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Makena MR, Koneru B, Nguyen TH, Kang MH, Reynolds CP. Reactive Oxygen Species–Mediated Synergism of Fenretinide and Romidepsin in Preclinical Models of T-cell Lymphoid Malignancies. Mol Cancer Ther 2017; 16:649-661. [DOI: 10.1158/1535-7163.mct-16-0749] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Revised: 01/09/2017] [Accepted: 01/09/2017] [Indexed: 11/16/2022]
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20
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Isaacs JT, Dalrymple SL, Rosen DM, Hammers H, Olsson A, Leanderson T. Anti-cancer potency of tasquinimod is enhanced via albumin-binding facilitating increased uptake in the tumor microenvironment. Oncotarget 2015; 5:8093-106. [PMID: 25193858 PMCID: PMC4226669 DOI: 10.18632/oncotarget.2378] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Tasquinimod, an orally active quinoline-3-carboxamide, binds with high affinity to HDAC4 and S100A9 in cancer and infiltrating host cells within compromised tumor microenvironment inhibiting adaptive survival pathways needed for an angiogenic response. Clinical trials document that as low as 0.5-1mg tasquinimod/day is therapeutic against castrate resistant metastatic prostate cancer. Tasquinimod is metabolized via cytochrome P4503A4, but ketoconazole at a dose which completely inhibits CYP3A metabolism does not affect tasquinimod's ability to inhibit endothelial “sprouting” in vitro or anti-cancer efficacy against human prostate cancer xenografts in vivo. Tasquinimod's potency is facilitated by its reversible binding (Kd < 35 μM) to the IIA subdomain of albumin (Sudlow's site I). As blood vessels within the compromised cancer microenvironment are characterized by a higher degree of leakiness than those in normal tissues, this results in an enhanced uptake of tasquinimod bound to albumin in cancer tissue via a tumor specific process known as the “enhanced permeability and retention” (i.e., EPR) effect. Thus, despite plasma levels of < 1 μM, the EPR effect results in intracellular drug concentrations of 2-3 μM, levels several-fold higher than needed for inhibition of endothelial sprouting (IC50 ~ 0.5 μM) or for inhibition of HDAC4 and S100A9 mediated tumor growth.
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Affiliation(s)
- John T Isaacs
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins ,Baltimore, MD; The Brady Urological Institute-Department of Urology, The Johns Hopkins University School of Medicine ,Baltimore, MD
| | - Susan L Dalrymple
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins ,Baltimore, MD
| | - D Marc Rosen
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins ,Baltimore, MD
| | - Hans Hammers
- The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins ,Baltimore, MD
| | | | - Tomas Leanderson
- Active Biotech, AB Lund, Sweden; Immunology group, Lund University, Sweden
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21
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Mittal N, Malpani S, Dyson M, Ono M, Coon JS, Kim JJ, Schink JC, Bulun SE, Pavone ME. Fenretinide: a novel treatment for endometrial cancer. PLoS One 2014; 9:e110410. [PMID: 25340777 PMCID: PMC4207704 DOI: 10.1371/journal.pone.0110410] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2014] [Accepted: 09/15/2014] [Indexed: 01/10/2023] Open
Abstract
Resistance to progestin treatment is a major hurdle in the treatment of advanced and reoccurring endometrial cancer. Fenretinide is a synthetic retinoid that has been evaluated in clinical trials as a cancer therapeutic and chemo-preventive agent. Fenretinide has been established to be cytotoxic to many kinds of cancer cells. In the present study, we demonstrate that fenretinide decreased cell viability and induced apoptosis in Ishikawa cells, which are an endometrial cancer cell line, in dose dependent manner in-vitro. This effect was found to be independent of retinoic acid nuclear receptor signaling pathway. Further, we have shown that this induction of apoptosis by fenretinide may be caused by increased retinol uptake via STRA6. Silencing of STRA6 was shown to decrease apoptosis which was inhibited by knockdown of STRA6 expression in Ishikawa cells. Results of an in-vivo study demonstrated that intraperitoneal injections of fenretinide in endometrial cancer tumors (created using Ishikawa cells) in mice inhibited tumor growth effectively. Immunohistochemistry of mice tumors showed a decrease in Ki67 expression and an increase in cleaved caspase-3 staining after fenretinide treatment when compared to vehicle treated mice. Collectively, our results are the first to establish the efficacy of fenretinide as an antitumor agent for endometrial cancer both in-vitro and in-vivo, providing a valuable rationale for initiating more preclinical studies and clinical trials using fenretinide for the treatment of endometrial cancer.
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Affiliation(s)
- Navdha Mittal
- Division of Reproductive Biology, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
| | - Saurabh Malpani
- Division of Reproductive Biology, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
| | - Matthew Dyson
- Division of Reproductive Biology, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
| | - Masanori Ono
- Division of Reproductive Biology, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
| | - John S. Coon
- Division of Reproductive Biology, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
| | - Julie J. Kim
- Division of Reproductive Biology, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
| | - Julian C. Schink
- Division of Gynecology Oncology, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
- Department of Obstetrics and Gynecology, Spectrum Health Medical Group, Grand Rapids, Michigan, United States of America
| | - Serdar E. Bulun
- Division of Reproductive Biology, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
- Division of Reproductive Endocrinology & Infertility, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
| | - Mary Ellen Pavone
- Division of Reproductive Biology, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
- Division of Reproductive Endocrinology & Infertility, Department of Obstetrics and Gynecology, Feinberg School of Medicine at Northwestern University, Chicago, Illinois, United States of America
- * E-mail:
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The bioactive lipid 4-hydroxyphenyl retinamide inhibits flavivirus replication. Antimicrob Agents Chemother 2014; 59:85-95. [PMID: 25313218 DOI: 10.1128/aac.04177-14] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Dengue virus (DENV), a member of the Flaviviridae family, is a mosquito-borne pathogen and the cause of dengue fever. The increasing prevalence of DENV worldwide heightens the need for an effective vaccine and specific antivirals. Due to the dependence of DENV upon the lipid biosynthetic machinery of the host cell, lipid signaling and metabolism present unique opportunities for inhibiting viral replication. We screened a library of bioactive lipids and modulators of lipid metabolism and identified 4-hydroxyphenyl retinamide (4-HPR) (fenretinide) as an inhibitor of DENV in cell culture. 4-HPR inhibits the steady-state accumulation of viral genomic RNA and reduces viremia when orally administered in a murine model of DENV infection. The molecular target responsible for this antiviral activity is distinct from other known inhibitors of DENV but appears to affect other members of the Flaviviridae, including the West Nile, Modoc, and hepatitis C viruses. Although long-chain ceramides have been implicated in DENV replication, we demonstrate that DENV is insensitive to the perturbation of long-chain ceramides in mammalian cell culture and that the effect of 4-HPR on dihydroceramide homeostasis is separable from its antiviral activity. Likewise, the induction of reactive oxygen species by 4-HPR is not required for the inhibition of DENV. The inhibition of DENV in vivo by 4-HPR, combined with its well-established safety and tolerability in humans, suggests that it may be repurposed as a pan-Flaviviridae antiviral agent. This work also illustrates the utility of bioactive lipid screens for identifying critical interactions of DENV and other viral pathogens with host lipid biosynthesis, metabolism, and signal transduction.
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Fraser JE, Watanabe S, Wang C, Chan WKK, Maher B, Lopez-Denman A, Hick C, Wagstaff KM, Mackenzie JM, Sexton PM, Vasudevan SG, Jans DA. A nuclear transport inhibitor that modulates the unfolded protein response and provides in vivo protection against lethal dengue virus infection. J Infect Dis 2014; 210:1780-91. [PMID: 24903662 DOI: 10.1093/infdis/jiu319] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
BACKGROUND Dengue virus (DENV) is estimated to cause 390 million infections each year, but there is no licensed vaccine or therapeutic currently available. METHODS We describe a novel, high-throughput screen to identify compounds inhibiting the interaction between DENV nonstructural protein 5 and host nuclear transport proteins. We document the antiviral properties of a lead compound against all 4 serotypes of DENV, antibody-dependent enhanced (ADE) infection, and ex vivo and in vivo DENV infections. In addition, we use quantitative reverse-transcription polymerase chain reaction to examine cellular effects upon compound addition. RESULTS We identify N-(4-hydroxyphenyl) retinamide (4-HPR) as effective in protecting against DENV-1-4 and DENV-1 ADE infections, with 50% effective concentrations in the low micromolar range. 4-HPR but not the closely related N-(4-methoxyphenyl) retinamide (4-MPR) could reduce viral RNA levels and titers when applied to an established infection. 4-HPR but not 4-MPR was found to specifically upregulate the protein kinase R-like endoplasmic reticulum kinase arm of the unfolded protein response. Strikingly, 4-HPR but not 4-MPR restricted infection in peripheral blood mononuclear cells and in a lethal ADE-infection mouse model. CONCLUSIONS 4-HPR is a novel antiviral that modulates the unfolded protein response, effective against DENV1-4 at concentrations achievable in the plasma in a clinical setting, and provides protection in a lethal mouse model.
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Affiliation(s)
- Johanna E Fraser
- Nuclear Signaling Laboratory, Department of Biochemistry and Molecular Biology, Monash University
| | - Satoru Watanabe
- Program in Emerging Infectious Diseases, Duke-NUS Graduate Medical School, Singapore
| | - Chunxiao Wang
- Nuclear Signaling Laboratory, Department of Biochemistry and Molecular Biology, Monash University
| | - Wing Ki Kitti Chan
- Program in Emerging Infectious Diseases, Duke-NUS Graduate Medical School, Singapore
| | - Belinda Maher
- Nuclear Signaling Laboratory, Department of Biochemistry and Molecular Biology, Monash University
| | - Adam Lopez-Denman
- Department of Microbiology and Immunology, University of Melbourne Department of Microbiology, La Trobe University, Bundoora
| | - Caroline Hick
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Australia
| | - Kylie M Wagstaff
- Nuclear Signaling Laboratory, Department of Biochemistry and Molecular Biology, Monash University
| | | | - Patrick M Sexton
- Monash Institute of Pharmaceutical Sciences, Monash University, Parkville, Australia
| | - Subhash G Vasudevan
- Program in Emerging Infectious Diseases, Duke-NUS Graduate Medical School, Singapore
| | - David A Jans
- Nuclear Signaling Laboratory, Department of Biochemistry and Molecular Biology, Monash University
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Kang MH, Villablanca JG, Glade Bender JL, Matthay KK, Groshen S, Sposto R, Czarnecki S, Ames MM, Reynolds CP, Marachelian A, Maurer BJ. Probable fatal drug interaction between intravenous fenretinide, ceftriaxone, and acetaminophen: a case report from a New Approaches to Neuroblastoma (NANT) Phase I study. BMC Res Notes 2014; 7:256. [PMID: 24755475 PMCID: PMC4006848 DOI: 10.1186/1756-0500-7-256] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Accepted: 04/16/2014] [Indexed: 12/31/2022] Open
Abstract
Background Patients with relapsed/refractory stage 4 high-risk neuroblastoma were enrolled on a phase I study (NANT2004-03) of intravenous fenretinide emulsion. Pharmacokinetic samples were collected during and after the infusion, and the levels were measured using an HPLC system. A likely case of a fatal drug interaction between fenretinide, ceftriaxone, and acetaminophen is described, including the pharmacokinetics of fenretinide, laboratory data, and post-mortem autopsy in a pediatric neuroblastoma patient treated on this study. Case presentation On Day 4 of a scheduled 5-day-infusion of intravenous fenretinide, the patient developed a fever, acetaminophen was started, ceftriaxone initiated for possible bacteremia, and fenretinide level doubled from 56 to 110 μM. Over the next three days, although blood cultures remained negative, the patient’s condition deteriorated rapidly. Acute liver failure was diagnosed on Day 7, and the patient expired on Day 20 of fulminant hepatic failure with associated renal, cardiac, and hemorrhagic/coagulation toxicities. Autopsy showed extensive hemorrhagic necrosis of the liver, marked bile duct proliferation, and abundant hemosiderin, consistent with cholestasis and drug toxicity. Conclusions After extensive review of patient data, the clinical course, and the literature, we conclude that observed hepatic toxicity was likely due to a drug interaction between fenretinide and concomitant ceftriaxone and acetaminophen. None of the other 16 patients treated on this study experienced significant hepatic toxicity. Although the prevalence of cholestasis with ceftriaxone usage is relatively high, the potential drug interaction with these concomitant medications has not been previously reported. Concomitant use of fenretinide, ceftriaxone, and acetaminophen should be avoided.
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Affiliation(s)
- Min H Kang
- Cancer Center and Departments of Cell Biology and Biochemistry, Pharmacology and Neuroscience, Pediatrics, and Internal Medicine, School of Medicine, Texas Tech University Health Sciences Center, 3601 4th Street, STOP 9445 79430 Lubbock, TX, USA.
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Hanson AM, Gambill J, Phomakay V, Staten CT, Kelley MD. 9-cis-retinoic Acid and troglitazone impacts cellular adhesion, proliferation, and integrin expression in K562 cells. PLoS One 2014; 9:e93005. [PMID: 24671180 PMCID: PMC3966848 DOI: 10.1371/journal.pone.0093005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2013] [Accepted: 02/27/2014] [Indexed: 11/19/2022] Open
Abstract
Retinoids are established pleiotropic regulators of both adaptive and innate immune responses. Recently, troglitazone, a PPAR gamma agonist, has been demonstrated to have anti-inflammatory effects. Separately, retinoids and troglitazone are implicated in immune related processes; however, their combinatory role in cellular adhesion and proliferation has not been well established. In this study, the effect of 9-cis-retinoic acid (9-cis-RA) and troglitazone on K562 cellular adhesion and proliferation was investigated. Troglitazone exposure decreased K562 cellular adhesion to RGD containing extracellular matrix proteins fibronectin, FN-120, and vitronectin in a concentration and time-dependent manner. In the presence of troglitazone, 9-cis-retinoic acid restores cellular adhesion to levels comparable to vehicle treatment alone on fibronectin, FN-120, and vitronectin substrates within 72 hours. Due to the prominent role of integrins in attachment to extracellular matrix proteins, we evaluated the level of integrin α5 subunit expression. Troglitazone treatment results in decrease in α5 subunit expression on the cell surface. In the presence of both agonists, cell surface α5 subunit expression was restored to levels comparable to vehicle treatment alone. Additionally, troglitazone and 9-cis-RA mediated cell adhesion was decreased in the presence of a function blocking integrin alpha 5 inhibitor. Further, through retinoid metabolic profiling and HPLC analysis, our study demonstrates that troglitazone augments retinoid availability in K562 cells. Finally, we demonstrate that troglitazone and 9-cis-retinoic acid synergistically dampen cellular proliferation in K562 cells. Our study is the first to report that the combination of troglitazone and 9-cis-retinoic acid restores cellular adhesion, alters retinoid availability, impacts integrin expression, and dampens cellular proliferation in K562 cells.
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Affiliation(s)
- Amanda M. Hanson
- Department of Chemistry and Biochemistry, University of Arizona, Tucson, Arizona, United States of America
| | - Jessica Gambill
- College of Medicine, University of Arkansas Medical Sciences, Little Rock, Arkansas, United States of America
| | - Venusa Phomakay
- College of Medicine, University of Arkansas Medical Sciences, Little Rock, Arkansas, United States of America
| | - C. Tyler Staten
- College of Pharmacy, Harding University, Searcy, Arkansas United States of America
| | - Melissa D. Kelley
- Department of Chemistry, University of Central Arkansas, Conway, Arkansas, United States of America
- * E-mail:
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Maurer BJ, Kang MH, Janeba J, Villablanca JG, Groshen S, Matthay KK, Sondel PM, Maris JM, Jackson HA, Goodarzian F, Shimada H, Czarnecki S, Hasenauer B, Reynolds CP, Marachelian A. Phase I trial of fenretinide delivered orally in a novel organized lipid complex in patients with relapsed/refractory neuroblastoma: a report from the New Approaches to Neuroblastoma Therapy (NANT) consortium. Pediatr Blood Cancer 2013; 60:1801-8. [PMID: 23813912 PMCID: PMC4066886 DOI: 10.1002/pbc.24643] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2013] [Accepted: 05/21/2013] [Indexed: 11/06/2022]
Abstract
BACKGROUND A phase I study was conducted to determine the maximum-tolerated dose, dose-limiting toxicities (DLTs), and pharmacokinetics of fenretinide (4-HPR) delivered in an oral powderized lipid complex (LXS) in patients with relapsed/refractory neuroblastoma. PROCEDURE 4-HPR/LXS powder (352-2,210 mg/m(2) /day) was administered on Days 0-6, in 21-day courses, by standard 3 + 3 design. RESULTS Thirty-two patients (median age = 8 years, range 3-27 years) enrolled with 30 evaluable for dose escalation. Prior therapies included stem cell transplantation/support (n = 26), 13-cis-retinoic acid (n = 22), (125/131) I-MIBG (n = 13), and anti-GD2 antibody (n = 6). 170+ courses were delivered. Course 1 DLTs were a Grade 3 (n = 1) alkaline phosphatase at 352 mg/m(2) /day. Other major toxicities were Grade 4 (n = 1) alkaline phosphatases on Courses 5 and 6 at 774 mg/m(2) /day, and Grade 3 (n = 1) ALT/AST elevation on Course 2 at 1,700 mg/m(2) /day. Of 29 response-evaluable patients, six had stable disease (SD) (4-26 courses); four with marrow- or bone disease-only had complete responses (CR) (10-46 courses). 4-HPR plasma levels were several folds higher (P < 0.05) than previously reported using capsular fenretinide. The Day 6 mean peak 4-HPR plasma level at 1,700 mg/m(2) /day was 21 µM. An MTD was not reached. CONCLUSIONS 4-HPR/LXS oral powder obtained higher plasma levels, with minimal toxicity and evidence of anti-tumor activity, than a previous capsule formulation. A recommended phase II schedule of 4-HPR/LXS powder is 1,500 mg/m(2) /day, TID, on Days 0-6, of a 21-day course.
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Affiliation(s)
- Barry J. Maurer
- Department of Cell Biology & Biochemistry, Texas Tech University Health Sciences Center, and Cancer Center, Lubbock TX,Department of Pediatrics, Texas Tech University Health Sciences Center, and Cancer Center, Lubbock TX,Department of Medicine, Texas Tech University Health Sciences Center, and Cancer Center, Lubbock TX
| | - Min H. Kang
- Department of Pharmacology, Texas Tech University Health Sciences Center, and Cancer Center, Lubbock TX,Department of Medicine, Texas Tech University Health Sciences Center, and Cancer Center, Lubbock TX
| | - Jitka Janeba
- Saban Research Institute, University of Southern California, Los Angeles, CA
| | | | - Susan Groshen
- Department of Statistics, Keck School of Medicine, University of Southern California, Los Angeles, CA
| | - Katherine K. Matthay
- Department of Pediatrics, University of California San Francisco School of Medicine, San Francisco, CA
| | - Paul M. Sondel
- University of Wisconsin Paul P. Carbone Comprehensive Cancer Center, Madison, WI
| | - John M. Maris
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, University of Pennsylvania and School of Medicine and Abramson Family Cancer Research Institute, Philadelphia, PA
| | - Hollie A. Jackson
- Department of Radiology, University of Southern California, Los Angeles, CA
| | - Fariba Goodarzian
- Department of Radiology, University of Southern California, Los Angeles, CA
| | - Hiroyuki Shimada
- Department of Pathology, University of Southern California, Los Angeles, CA
| | - Scarlett Czarnecki
- New Approaches to Neuroblastoma Therapy (NANT) Consortium Operations Center, Childrens Hospital Los Angeles, Los Angeles, CA
| | - Beth Hasenauer
- New Approaches to Neuroblastoma Therapy (NANT) Consortium Operations Center, Childrens Hospital Los Angeles, Los Angeles, CA
| | - C. Patrick Reynolds
- Department of Cell Biology & Biochemistry, Texas Tech University Health Sciences Center, and Cancer Center, Lubbock TX,Department of Pediatrics, Texas Tech University Health Sciences Center, and Cancer Center, Lubbock TX,Department of Medicine, Texas Tech University Health Sciences Center, and Cancer Center, Lubbock TX
| | - Araz Marachelian
- Department of Pediatrics, University of Southern California, Los Angeles, CA
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Sedelaar JM, Dalrymple SS, Isaacs JT. Of mice and men--warning: intact versus castrated adult male mice as xenograft hosts are equivalent to hypogonadal versus abiraterone treated aging human males, respectively. Prostate 2013; 73:1316-25. [PMID: 23775398 PMCID: PMC4009979 DOI: 10.1002/pros.22677] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2013] [Accepted: 03/26/2013] [Indexed: 11/07/2022]
Abstract
BACKGROUND Immune deficient male mice bearing human prostate cancer xenografts are used to evaluate therapeutic response to novel androgen ablation approaches and the results compared to surgical castration based upon assumption that testosterone microenvironment in intact and castrated adult male mice mimics eugonadal and castrated aging adult human males. METHODS To test these assumptions, serum total testosterone (TT) and free testosterone (FT) were determined longitudinally in groups (n > 20) of intact versus castrated adult male nude, NOG, and immune competent C57BL/6 mice. RESULTS In adult male mice, TT and FT varies by 30- to 100-fold within the same animal providing a microenvironment that is only equivalent to hypogonadal, not eugonadal, adult human males (TT is 1.7 ± 1.2 ng/ml [5.8 ± 4.1 nM] in nude and 2.5 ± 1.3 ng/ml [8.7 ± 4.4 nM] in NOG mice versus >4.2 ng/ml [14.7 nM] in eugonadal humans). This was confirmed based upon enhanced growth of androgen dependent human prostate cancer xenografts inoculated into mice supplemented with exogenous testosterone to elevate and chronically maintain serum TT at a level (5 ng/ml [18 nM]) equivalent to a 50-year-old eugonadal human male. In castrated mice, TT and FT range from 2 to 20 pg/ml (7-70 pM) and <0.8 pg/ml (<2.6 pM), respectively, which is equivalent to castrate resistant prostate cancer (CRPC) patients treated with abiraterone. This was confirmed based upon the inability of another CYP17A1 inhibitor, ketoconazole, to inhibit the growth of CRPC xenografts in castrated mice. CONCLUSIONS Adult male mice supplemented with testosterone mimic eugonadal human males, while unsupplemented animals mimic standard androgen ablation and castrated animals mimic abiraterone treated patients. These studies confirm what is claimed in Robert Burns' poem "To a Mouse" that "The best laid schemes of mice and men/often go awry.".
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Affiliation(s)
- J.P. Michiel Sedelaar
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, School of Medicine, The Johns Hopkins University, Baltimore, Maryland
| | - Susan S. Dalrymple
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, School of Medicine, The Johns Hopkins University, Baltimore, Maryland
- Correspondence to: Sidney Kimmel Comprehensive Cancer Center, Bunting and Blaustein Building (CRB-1), 1650 Orleans Street, Baltimore, MD 21287.
| | - John T. Isaacs
- Department of Oncology, Sidney Kimmel Comprehensive Cancer Center, School of Medicine, The Johns Hopkins University, Baltimore, Maryland
- Department of Urology, James Buchanan Brady Urological Institute, School of Medicine, The Johns Hopkins University, Baltimore, Maryland
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Amengual J, Golczak M, Palczewski K, von Lintig J. Lecithin:retinol acyltransferase is critical for cellular uptake of vitamin A from serum retinol-binding protein. J Biol Chem 2012; 287:24216-27. [PMID: 22637576 DOI: 10.1074/jbc.m112.353979] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Vitamin A (all-trans-retinol) must be adequately distributed within the mammalian body to produce visual chromophore in the eyes and all-trans-retinoic acid in other tissues. Vitamin A is transported in the blood bound to retinol-binding protein (holo-RBP), and its target cells express an RBP receptor encoded by the Stra6 (stimulated by retinoic acid 6) gene. Here we show in mice that cellular uptake of vitamin A from holo-RBP depends on functional coupling of STRA6 with intracellular lecithin:retinol acyltransferase (LRAT). Thus, vitamin A uptake from recombinant holo-RBP exhibited by wild type mice was impaired in Lrat(-/-) mice. We further provide evidence that vitamin A uptake is regulated by all-trans-retinoic acid in non-ocular tissues of mice. When in excess, vitamin A was rapidly taken up and converted to its inert ester form in peripheral tissues, such as lung, whereas in vitamin A deficiency, ocular retinoid uptake was favored. Finally, we show that the drug fenretinide, used clinically to presumably lower blood RBP levels and thus decrease circulating retinol, targets the functional coupling of STRA6 and LRAT to increase cellular vitamin A uptake in peripheral tissues. These studies provide mechanistic insights into how vitamin A is distributed to peripheral tissues in a regulated manner and identify LRAT as a critical component of this process.
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Affiliation(s)
- Jaume Amengual
- Department of Pharmacology, School of Medicine, Case Western Reserve University, Cleveland, Ohio 44106, USA
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