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Zinnah KMA, Munna AN, Seol JW, Park BY, Park SY. An Antidepressant Drug Increased TRAIL Receptor-2 Expression and Sensitized Lung Cancer Cells to TRAIL-induced Apoptosis. Anticancer Agents Med Chem 2023; 23:2225-2236. [PMID: 37859313 PMCID: PMC10788920 DOI: 10.2174/0118715206262252231004110310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 09/01/2023] [Accepted: 09/07/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND TRAIL has emerged as a promising therapeutic target due to its ability to selectively induce apoptosis in cancer cells while sparing normal cells. Autophagy, a highly regulated cellular recycling mechanism, is known to play a cell survival role by providing a required environment for the cell. Recent studies suggest that autophagy plays a significant role in increasing TRAIL resistance in certain cancer cells. Thus, regulating autophagy in TRAIL-mediated cancer therapy is crucial for its role in cancer treatment. OBJECTIVE Our study explored whether the antidepressant drug desipramine could enhance the ability of TRAIL to kill cancer cells by inhibiting autophagy. METHODS The effect of desipramine on TRAIL sensitivity was examined in various lung cancer cell lines. Cell viability was measured by morphological analysis, trypan blue exclusion, and crystal violet staining. Flow cytometry analysis was carried out to measure apoptosis with annexin V-PI stained cells. Western blotting, rtPCR, and immunocytochemistry were carried out to measure autophagy and death receptor expression. TEM was carried out to detect autophagy inhibition. RESULTS Desipramine treatment increased the TRAIL sensitivity in all lung cancer cell lines. Mechanistically, desipramine treatment induced death receptor expression to increase TRAIL sensitivity. This effect was confirmed when the genetic blockade of DR5 reduced the effect of desipramine in enhanced TRAIL-mediated cell death. Further investigation revealed that desipramine treatment increased the LC3 and p62 levels, indicating the inhibition of lysosomal degradation of autophagy. Notably, TRAIL, in combination with either desipramine or the autophagy inhibitor chloroquine, exhibited enhanced cytotoxicity compared to TRAIL treatment alone. CONCLUSION Our findings revealed the potential of desipramine to induce TRAIL-mediated cell death by autophagy impairment. This discovery suggests its therapeutic potential for inducing TRAIL-mediated cell death by increasing the expression of death receptors, which is caused by impairing autophagy.
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Affiliation(s)
- Kazi Mohammad Ali Zinnah
- Biosafety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Gobong ro, Iksan, Jeonbuk, 54596, South Korea
- Department of Animal and Fish Biotechnology, Faculty of Biotechnology and Genetic Engineering, Sylhet Agricultural University, Sylhet, 3100, Bangladesh
| | - Ali Newaz Munna
- Biosafety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Gobong ro, Iksan, Jeonbuk, 54596, South Korea
| | - Jae-Won Seol
- Biosafety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Gobong ro, Iksan, Jeonbuk, 54596, South Korea
| | - Byung-Yong Park
- Biosafety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Gobong ro, Iksan, Jeonbuk, 54596, South Korea
| | - Sang-Youel Park
- Biosafety Research Institute, College of Veterinary Medicine, Jeonbuk National University, Gobong ro, Iksan, Jeonbuk, 54596, South Korea
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Asensi-Cantó A, López-Abellán MD, Castillo-Guardiola V, Hurtado AM, Martínez-Penella M, Luengo-Gil G, Conesa-Zamora P. Antitumoral Effects of Tricyclic Antidepressants: Beyond Neuropathic Pain Treatment. Cancers (Basel) 2022; 14:cancers14133248. [PMID: 35805019 PMCID: PMC9265090 DOI: 10.3390/cancers14133248] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/26/2022] [Accepted: 06/28/2022] [Indexed: 11/25/2022] Open
Abstract
Simple Summary Tricyclic antidepressants (TCAs) are old and known therapeutic agents whose good safety profile makes them good candidates for drug repurposing. As the relevance of nerves in cancer development and progression is being unveiled, attention now turns to the use of nerve-targeting drugs, such as TCAs, as an interesting approach to combat cancer. In this review, we discuss current evidence about the safety of TCAs, their application to treat neuropathic pain in cancer patients, and in vitro and in vivo demonstrations of the antitumoral effects of TCAs. Finally, the results of ongoing clinical trials and future directions are discussed. Abstract Growing evidence shows that nerves play an active role in cancer development and progression by altering crucial molecular pathways and cell functions. Conversely, the use of neurotropic drugs, such as tricyclic antidepressants (TCAs), may modulate these molecular signals with a therapeutic purpose based on a direct antitumoral effect and beyond the TCA use to treat neuropathic pain in oncology patients. In this review, we discuss the TCAs’ safety and their central effects against neuropathic pain in cancer, and the antitumoral effects of TCAs in in vitro and preclinical studies, as well as in the clinical setting. The current evidence points out that TCAs are safe and beneficial to treat neuropathic pain associated with cancer and chemotherapy, and they block different molecular pathways used by cancer cells from different locations for tumor growth and promotion. Likewise, ongoing clinical trials evaluating the antineoplastic effects of TCAs are discussed. TCAs are very biologically active compounds, and their repurposing as antitumoral drugs is a promising and straightforward approach to treat specific cancer subtypes and to further define their molecular targets, as well as an interesting starting point to design analogues with increased antitumoral activity.
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Affiliation(s)
- Antonio Asensi-Cantó
- Facultad de Ciencias de la Salud, Universidad Católica de Murcia (UCAM), 30107 Guadalupe, Spain; (A.A.-C.); (M.D.L.-A.); (M.M.-P.)
- Servicio de Farmacia Hospitalaria, Hospital Universitario Santa Lucía, 30202 Cartagena, Spain
- Grupo de Investigación en Patología Molecular y Farmacogenética, Servicios de Anatomía Patológica y Análisis Clínicos, Instituto Murciano de Investigación Biosanitaria (IMIB), Hospital Universitario Santa Lucía, 30202 Cartagena, Spain; (V.C.-G.); (A.M.H.)
| | - María Dolores López-Abellán
- Facultad de Ciencias de la Salud, Universidad Católica de Murcia (UCAM), 30107 Guadalupe, Spain; (A.A.-C.); (M.D.L.-A.); (M.M.-P.)
- Grupo de Investigación en Patología Molecular y Farmacogenética, Servicios de Anatomía Patológica y Análisis Clínicos, Instituto Murciano de Investigación Biosanitaria (IMIB), Hospital Universitario Santa Lucía, 30202 Cartagena, Spain; (V.C.-G.); (A.M.H.)
| | - Verónica Castillo-Guardiola
- Grupo de Investigación en Patología Molecular y Farmacogenética, Servicios de Anatomía Patológica y Análisis Clínicos, Instituto Murciano de Investigación Biosanitaria (IMIB), Hospital Universitario Santa Lucía, 30202 Cartagena, Spain; (V.C.-G.); (A.M.H.)
| | - Ana María Hurtado
- Grupo de Investigación en Patología Molecular y Farmacogenética, Servicios de Anatomía Patológica y Análisis Clínicos, Instituto Murciano de Investigación Biosanitaria (IMIB), Hospital Universitario Santa Lucía, 30202 Cartagena, Spain; (V.C.-G.); (A.M.H.)
- Grupo de Investigación en Inmunobiología para la Acuicultura, Departamento de Biología Celular e Histología, Facultad de Biología, Universidad de Murcia, 30100 Murcia, Spain
| | - Mónica Martínez-Penella
- Facultad de Ciencias de la Salud, Universidad Católica de Murcia (UCAM), 30107 Guadalupe, Spain; (A.A.-C.); (M.D.L.-A.); (M.M.-P.)
- Servicio de Farmacia Hospitalaria, Hospital Universitario Santa Lucía, 30202 Cartagena, Spain
| | - Ginés Luengo-Gil
- Grupo de Investigación en Patología Molecular y Farmacogenética, Servicios de Anatomía Patológica y Análisis Clínicos, Instituto Murciano de Investigación Biosanitaria (IMIB), Hospital Universitario Santa Lucía, 30202 Cartagena, Spain; (V.C.-G.); (A.M.H.)
- Correspondence: (G.L.-G.); (P.C.-Z.); Tel.: +34-968-128-600 (ext. 951615) (G.L.-G. & P.C.-Z.)
| | - Pablo Conesa-Zamora
- Facultad de Ciencias de la Salud, Universidad Católica de Murcia (UCAM), 30107 Guadalupe, Spain; (A.A.-C.); (M.D.L.-A.); (M.M.-P.)
- Grupo de Investigación en Patología Molecular y Farmacogenética, Servicios de Anatomía Patológica y Análisis Clínicos, Instituto Murciano de Investigación Biosanitaria (IMIB), Hospital Universitario Santa Lucía, 30202 Cartagena, Spain; (V.C.-G.); (A.M.H.)
- Correspondence: (G.L.-G.); (P.C.-Z.); Tel.: +34-968-128-600 (ext. 951615) (G.L.-G. & P.C.-Z.)
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Hsu SS, Lin YS, Liang WZ. Mechanism of action of a diterpene alkaloid hypaconitine on cytotoxicity and inhibitory effect of BAPTA-AM in HCN-2 neuronal cells. Clin Exp Pharmacol Physiol 2021; 48:801-810. [PMID: 33609056 DOI: 10.1111/1440-1681.13482] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/11/2021] [Accepted: 01/28/2021] [Indexed: 11/29/2022]
Abstract
Hypaconitine, a neuromuscular blocker, is a diterpene alkaloid found in the root of Aconitum carmichaelii. Although hypaconitine was shown to affect various physiological responses in neurological models, the effect of hypaconitine on cell viability and the mechanism of its action of Ca2+ handling is elusive in cortical neurons. This study examined whether hypaconitine altered viability and Ca2+ signalling in HCN-2 neuronal cell lines. Cell viability was measured by the cell proliferation reagent (WST-1). Cytosolic Ca2+ concentrations [Ca2+ ]i was measured by the Ca2+ -sensitive fluorescent dye fura-2. In HCN-2 cells, hypaconitine (10-50 μmol/L) induced cytotoxicity and [Ca2+ ]i rises in a concentration-dependent manner. Removal of extracellular Ca2+ partially reduced the hypaconitine's effect on [Ca2+ ]i rises. Furthermore, chelation of cytosolic Ca2+ with BAPTA-AM reduced hypaconitine's cytotoxicity. In Ca2+ -containing medium, hypaconitine-induced Ca2+ entry was inhibited by modulators (2-APB and SKF96365) of store-operated Ca2+ channels and a protein kinase C (PKC) inhibitor (GF109203X). Hypaconitine induced Mn2+ influx indirectly suggesting that hypaconitine evoked Ca2+ entry. In Ca2+ -free medium, treatment with the endoplasmic reticulum Ca2+ pump inhibitor thapsigargin abolished hypaconitine-induced [Ca2+ ]i rises. Conversely, treatment with hypaconitine inhibited thapsigargin-induced [Ca2+ ]i rises. However, inhibition of phospholipase C (PLC) with U73122 did not inhibit hypaconitine-induced [Ca2+ ]i rises. Together, hypaconitine caused cytotoxicity that was linked to preceding [Ca2+ ]i rises by Ca2+ influx via store-operated Ca2+ entry involved PKC regulation and evoking PLC-independent Ca2+ release from the endoplasmic reticulum. Because BAPTA-AM loading only partially reversed hypaconitine-induced cell death, it suggests that hypaconitine induced a second Ca2+ -independent cytotoxicity in HCN-2 cells.
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Affiliation(s)
- Shu-Shong Hsu
- Department of Neurosurgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Department of Neurosurgery, National Defense Medical Center, Taipei, Taiwan
- College of Health and Nursing, Meiho University, Pingtung, Taiwan
| | - Yung-Shang Lin
- Department of Neurosurgery, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Wei-Zhe Liang
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Department of Pharmacy and Master Program, College of Pharmacy and Health Care, Tajen University, Pingtung County, Taiwan
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Cheng HH, Liang WZ, Liao WC, Kuo CC, Hao LJ, Chou CT, Jan CR. Investigation of effect of tectorigenin (O-methylated isoflavone) on Ca 2+ signal transduction and cytotoxic responses in canine renal tubular cells. CHINESE J PHYSIOL 2020; 63:60-67. [PMID: 32341231 DOI: 10.4103/cjp.cjp_14_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Tectorigenin, a traditional Chinese medicine, is isolated from the flower of plants such as Pueraria thomsonii Benth. It is an O-methylated isoflavone, a type of flavonoid. Previous studies have shown that tectorigenin evoked various physiological responses in different models, but the effect of tectorigenin on cytosolic-free Ca2+ levels ([Ca2+]i) and cytotoxicity in renal tubular cells is unknown. Our research explored if tectorigenin changed Ca2+ signal transduction and viability in Madin-Darby Canine Kidney (MDCK) renal tubular cells. [Ca2+]iin suspended cells were measured by applying the fluorescent Ca2+-sensitive probe fura-2. Viability was explored by using water-soluble tetrazolium-1 as a fluorescent dye. Tectorigenin at concentrations of 5-50 μM induced [Ca2+]irises. Ca2+ removal reduced the signal by approximately 20%. Tectorigenin (50 μM) induced Mn2+ influx suggesting of Ca2+ entry. Tectorigenin-induced Ca2+ entry was inhibited by 10% by three inhibitors of store-operated Ca2+ channels, namely, nifedipine, econazole, and SKF96365. In Ca2+-free medium, treatment with the endoplasmic reticulum Ca2+ pump inhibitor thapsigargin inhibited 83% of tectorigenin-evoked [Ca2+]irises. Conversely, treatment with tectorigenin abolished thapsigargin-evoked [Ca2+]irises. Inhibition of phospholipase C with U73122 inhibited 50% of tectorigenin-induced [Ca2+]irises. Tectorigenin at concentrations between 10 and 60 μM killed cells in a concentration-dependent fashion. Chelation of cytosolic Ca2+ with 1,2-bis (2-aminophenoxy)ethane-N, N, N', N'-tetraacetic acid/acetoxy methyl did not reverse tectorigenin's cytotoxicity. Our data suggest that, in MDCK cells, tectorigenin evoked [Ca2+]irises and induced cell death that was not associated with [Ca2+]irises. Therefore, tectorigenin may be a Ca2+-independent cytotoxic agent for kidney cells.
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Affiliation(s)
- He-Hsiung Cheng
- Department of Medicine, Chang Bing Show Chwan Memorial Hospital, Changhua County, Taiwan
| | - Wei-Zhe Liang
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung; Department of Pharmacy, Tajen University, Pingtung, Taiwan
| | - Wei-Chuan Liao
- Department of Surgery, Kaohsiung Veterans General Hospital; Department of Physical Therapy, Shu-Zen Junior College of Medicine and Management, Kaohsiung, Taiwan
| | - Chun-Chi Kuo
- Department of Nursing, Tzu Hui Institute of Technology, Pingtung, Taiwan
| | - Lyh-Jyh Hao
- Department of Endocrinology and Metabolism, Kaohsiung Veterans General Hospital Tainan Branch; Chung Hwa University of Medical Technology, Tainan, Taiwan
| | - Chiang-Ting Chou
- Department of Nursing, Division of Basic Medical Sciences, Chang Gung University of Science and Technology, Chiayi Campus; Division of Pulmonary and Critical Care Medicine, Chang Gung Memorial Hospital Chiayi Branch, Puzi City, Chiayi County, Taiwan
| | - Chung-Ren Jan
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
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Sun GC, Liang WZ, Jan CR. Mechanisms underlying the effect of an oral antihyperglycaemic agent glyburide on calcium ion (Ca 2+ ) movement and its related cytotoxicity in prostate cancer cells. Clin Exp Pharmacol Physiol 2019; 47:111-118. [PMID: 31529508 DOI: 10.1111/1440-1681.13177] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2019] [Revised: 09/07/2019] [Accepted: 09/10/2019] [Indexed: 10/26/2022]
Abstract
Glyburide is an agent commonly used to treat type 2 diabetes and also affects various physiological responses in different models. However, the effect of glyburide on Ca2+ movement and its related cytotoxicity in prostate cancer cells is unclear. This study examined whether glyburide altered Ca2+ signalling and viability in PC3 human prostate cancer cells and investigated those underlying mechanisms. Intracellular Ca2+ concentrations ([Ca2+ ]i ) in suspended cells were measured by using the fluorescent Ca2+ -sensitive dye fura-2. Cell viability was examined by WST-1 assay. Glyburide at concentrations of 100-1000 μM induced [Ca2+ ]i rises. Ca2+ removal reduced the signal by approximately 60%. In Ca2+ -containing medium, glyburide-induced Ca2+ entry was inhibited by 60% by protein kinase C (PKC) activator (phorbol 12-myristate 13 acetate, PMA) and inhibitor (GF109203X), and modulators of store-operated Ca2+ channels (nifedipine, econazole and SKF96365). Furthermore, glyburide induced Mn2+ influx suggesting of Ca2+ entry. In Ca2+ -free medium, inhibition of phospholipase C (PLC) with U73122 significantly inhibited glyburide-induced [Ca2+ ]i rises. Treatment with the endoplasmic reticulum (ER) Ca2+ pump inhibitor 2,5-di-tert-butylhydroquinone (BHQ) abolished glyburide-evoked [Ca2+ ]i rises. Conversely, treatment with glyburide abolished BHQ-evoked [Ca2+ ]i rises. Glyburide at 100-500 μM decreased cell viability, which was not reversed by pretreatment with the Ca2+ chelator 1,2-bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid-acetoxymethyl ester (BAPTA/AM). Together, in PC3 cells, glyburide induced [Ca2+ ]i rises by Ca2+ entry via PKC-sensitive store-operated Ca2+ channels and Ca2+ release from the ER in a PLC-dependent manner. Glyburide also caused Ca2+ -independent cell death. This study suggests that glyburide could serve as a potential agent for treatment of prostate cancer.
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Affiliation(s)
- Gwo-Ching Sun
- Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan, Republic of China.,Department of Anesthesiology, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan, Republic of China
| | - Wei-Zhe Liang
- Department of Pharmacy, Tajen University, Pingtung, Taiwan, Republic of China.,Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, Republic of China
| | - Chung-Ren Jan
- Department of Medical Education and Research, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan, Republic of China
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Shaw J, Costa-Pinheiro P, Patterson L, Drews K, Spiegel S, Kester M. Novel Sphingolipid-Based Cancer Therapeutics in the Personalized Medicine Era. Adv Cancer Res 2018; 140:327-366. [PMID: 30060815 DOI: 10.1016/bs.acr.2018.04.016] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Sphingolipids are bioactive lipids that participate in a wide variety of biological mechanisms, including cell death and proliferation. The myriad of pro-death and pro-survival cellular pathways involving sphingolipids provide a plethora of opportunities for dysregulation in cancers. In recent years, modulation of these sphingolipid metabolic pathways has been in the forefront of drug discovery for cancer therapeutics. About two decades ago, researchers first showed that standard of care treatments, e.g., chemotherapeutics and radiation, modulate sphingolipid metabolism to increase endogenous ceramides, which kill cancer cells. Strikingly, resistance to these treatments has also been linked to altered sphingolipid metabolism, favoring lipid species that ultimately lead to cell survival. To this end, many inhibitors of sphingolipid metabolism have been developed to further define not only our understanding of these pathways but also to potentially serve as therapeutic interventions. Therefore, understanding how to better use these new drugs that target sphingolipid metabolism, either alone or in combination with current cancer treatments, holds great potential for cancer control. While sphingolipids in cancer have been reviewed previously (Hannun & Obeid, 2018; Lee & Kolesnick, 2017; Morad & Cabot, 2013; Newton, Lima, Maceyka, & Spiegel, 2015; Ogretmen, 2018; Ryland, Fox, Liu, Loughran, & Kester, 2011) in this chapter, we present a comprehensive review on how standard of care therapeutics affects sphingolipid metabolism, the current landscape of sphingolipid inhibitors, and the clinical utility of sphingolipid-based cancer therapeutics.
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Affiliation(s)
- Jeremy Shaw
- Department of Pathology, University of Virginia, Charlottesville, VA, United States
| | - Pedro Costa-Pinheiro
- Department of Pathology, University of Virginia, Charlottesville, VA, United States
| | - Logan Patterson
- Department of Pathology, University of Virginia, Charlottesville, VA, United States
| | - Kelly Drews
- Department of Pathology, University of Virginia, Charlottesville, VA, United States
| | - Sarah Spiegel
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University School of Medicine, Richmond, VA, United States
| | - Mark Kester
- Department of Pharmacology, University of Virginia, Charlottesville, VA, United States; University of Virginia Cancer Center, University of Virginia, Charlottesville, VA, United States
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Nortriptyline induces mitochondria and death receptor-mediated apoptosis in bladder cancer cells and inhibits bladder tumor growth in vivo. Eur J Pharmacol 2015; 761:309-20. [DOI: 10.1016/j.ejphar.2015.06.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 05/30/2015] [Accepted: 06/02/2015] [Indexed: 01/15/2023]
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Antidepressants: influence on cancer and immunity? Life Sci 2013; 92:525-32. [PMID: 23369745 DOI: 10.1016/j.lfs.2013.01.020] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2012] [Revised: 12/10/2012] [Accepted: 01/16/2013] [Indexed: 01/10/2023]
Abstract
Two decades ago, it was hypothesized that antidepressants could alter the course of neoplastic diseases. However, contradictory findings indicated that antidepressants could either have carcinogenic properties or improve the disease outcome. Intriguingly, controversial results were reported on the action of antidepressant drugs on immune function. Further hypotheses proposed that antidepressants could indirectly affect the cancer prognosis through the modulation of antitumor activity. Here we review the literature in order to elucidate the influence of antidepressants on cancer and immunity.
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Lin KL, Chi CC, Lu T, Tseng LL, Wang JL, Lu YC, Jan CR. Effect of sertraline on [Ca2+](i) and viability of human MG63 osteosarcoma cells. Drug Chem Toxicol 2012; 36:231-40. [PMID: 22931138 DOI: 10.3109/01480545.2012.710625] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The antidepressant, sertraline, has been shown to have diverse in vitro effects. This study examined whether sertraline altered [Ca(2+)](i) in MG63 human osteosarcoma cells by using fura-2 as a Ca(2+)-sensitive fluorescent dye. At 50-200 µM, sertraline induced a [Ca(2+)](i) rise in a concentration-dependent manner. Ca(2+) response was decreased by removing extracellular Ca(2+), suggesting that Ca(2+) entry and release contributed to the [Ca(2+)](i) signal. Sertraline-induced Ca(2+) entry was inhibited by nifedipine, La(3+), Gd(3+), and SK&F96365. When extracellular Ca(2+) was removed, pretreatment with the endoplasmic reticulum (ER) Ca(2+) pump inhibitor, thapsigargin, or 2,5-di-tert-butylhydroquinone (BHQ) abolished the sertraline-evoked [Ca(2+)](i) rise. Incubation with sertraline also abolished the thapsigargin or BHQ-induced [Ca(2+)](i) rise. Inhibition of phospholipase C (PLC) with U73122 abolished the sertraline-induced [Ca(2+)](i) rise. At 20-30 µM, overnight treatment with sertraline killed cells in a concentration-dependent manner. The cytotoxic effect of sertraline was not reversed by chelating cytosolic Ca(2+) with 1,2-bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid (BAPTA). Annexin V/propidium iodide staining data demonstrate that sertraline (30 µM) evoked apoptosis. Sertraline (20 and 30 µM) also increased levels of reactive oxygen species. Together, in human osteosarcoma cells, sertraline evoked a [Ca(2+)](i) rise by inducing PLC-dependent Ca(2+) release from the ER and Ca(2+) entry by L-type Ca(2+) channels and store-operated Ca(2+) channels. Sertraline induced cell death that may involve apoptosis by mitochondrial pathways.
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Affiliation(s)
- Ko-Long Lin
- Department of Rehabilitation, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
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Lu YC, Chen IS, Chou CT, Huang JK, Chang HT, Tsai JY, Hsu SS, Liao WC, Wang JL, Lin KL, Liu SI, Kuo CC, Ho CM, Jan CR. 3,3'-Diindolylmethane alters Ca2+ homeostasis and viability in MG63 human osteosarcoma cells. Basic Clin Pharmacol Toxicol 2011; 110:314-21. [PMID: 21995587 DOI: 10.1111/j.1742-7843.2011.00816.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The effect of the natural product 3,3'-diindolylmethane (DIM) on cytosolic Ca(2+) concentrations ([Ca(2+)](i)) and viability in MG63 human osteosarcoma cells was explored. The Ca(2+)-sensitive fluorescent dye fura-2 was applied to measure [Ca(2+)](i). DIM at concentrations of 40-80 μM induced a [Ca(2+)](i) rise in a concentration-dependent manner. The response was reduced partly by removing Ca(2+). DIM-evoked Ca(2+) entry was suppressed by nifedipine, econazole, SK&F96365 and protein kinase C modulators. In the absence of extracellular Ca(2+), incubation with the endoplasmic reticulum Ca(2+) pump inhibitors thapsigargin or 2,5-di-tert-butylhydroquinone (BHQ) inhibited or abolished DIM-induced [Ca(2+)](i) rise. Incubation with DIM also inhibited thapsigargin or BHQ-induced [Ca(2+)](i) rise. Inhibition of phospholipase C with U73122 abolished DIM-induced [Ca(2+)](i) rise. At concentrations of 10-50 μM, DIM killed cells in a concentration-dependent manner. This cytotoxic effect was not altered by chelating cytosolic Ca(2+) with 1,2-bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid (BAPTA). Annexin V/propidium iodide staining data implicate that DIM (20 and 40 μM) induced apoptosis in a concentration-dependent manner. In sum, in MG63 cells, DIM induced a [Ca(2+)](i) rise by evoking phospholipase C-dependent Ca(2+) release from the endoplasmic reticulum and Ca(2+) entry via protein kinase C-sensitive store-operated Ca(2+) channels. DIM caused cell death that may involve apoptosis.
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Affiliation(s)
- Yi-Chau Lu
- Department of Orthopedics, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
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Chen Q, Wang Z, Xiong Y, Zou X, Liu Z. Comparative study of p38 MAPK signal transduction pathway of peripheral blood mononuclear cells from patients with coal-combustion-type fluorosis with and without high hair selenium levels. Int J Hyg Environ Health 2010; 213:381-6. [DOI: 10.1016/j.ijheh.2010.06.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2009] [Revised: 05/24/2010] [Accepted: 06/06/2010] [Indexed: 11/29/2022]
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Hutchinson MR, Loram LC, Zhang Y, Shridhar M, Rezvani N, Berkelhammer D, Phipps S, Foster PS, Landgraf K, Falke JJ, Rice KC, Maier SF, Yin H, Watkins LR. Evidence that tricyclic small molecules may possess toll-like receptor and myeloid differentiation protein 2 activity. Neuroscience 2010; 168:551-63. [PMID: 20381591 PMCID: PMC2872682 DOI: 10.1016/j.neuroscience.2010.03.067] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2009] [Revised: 03/15/2010] [Accepted: 03/31/2010] [Indexed: 02/09/2023]
Abstract
Opioids have been discovered to have Toll-like receptor (TLR) activity, beyond actions at classical opioid receptors. This raises the question whether other pharmacotherapies for pain control may also possess TLR activity, contributing to or opposing their clinical effects. We document that tricyclics can alter TLR4 and TLR2 signaling. In silico simulations revealed that several tricyclics docked to the same binding pocket on the TLR accessory protein, myeloid differentiation protein 2 (MD-2), as do opioids. Eight tricyclics were tested for effects on TLR4 signaling in HEK293 cells over-expressing human TLR4. Six exhibited mild (desipramine), moderate (mianserin, cyclobenzaprine, imiprimine, ketotifen) or strong (amitriptyline) TLR4 inhibition, and no TLR4 activation. In contrast, carbamazepine and oxcarbazepine exhibited mild and strong TLR4 activation, respectively, and no TLR4 inhibition. Amitriptyline but not carbamazepine also significantly inhibited TLR2 signaling in a comparable cell line. Live imaging of TLR4 activation in RAW264.7 cells and TLR4-dependent interleukin-1 release from BV-2 microglia revealed that amitriptyline blocked TLR4 signaling. Lastly, tricyclics with no (carbamazepine), moderate (cyclobenzeprine), and strong (amitriptyline) TLR4 inhibition were tested intrathecally (rats) and amitriptyline tested systemically in wildtype and knockout mice (TLR4 or MyD88). While tricyclics had no effect on basal pain responsivity, they potentiated morphine analgesia in rank-order with their potency as TLR4 inhibitors. This occurred in a TLR4/MyD88-dependent manner as no potentiation of morphine analgesia by amitriptyline occurred in these knockout mice. This suggests that TLR2 and TLR4 inhibition, possibly by interactions with MD2, contributes to effects of tricyclics in vivo. These studies provide converging lines of evidence that several tricyclics or their active metabolites may exert their biological actions, in part, via modulation of TLR4 and TLR2 signaling and suggest that inhibition of TLR4 and TLR2 signaling may potentially contribute to the efficacy of tricyclics in treating chronic pain and enhancing the analgesic efficacy of opioids.
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Affiliation(s)
- Mark R. Hutchinson
- Department of Psychology and The Center for Neuroscience, University of Colorado at Boulder, Boulder, Colorado, USA
- Discipline of Pharmacology, School of Medical Sciences, University of Adelaide, Adelaide, South Australia, Australia
| | - Lisa C. Loram
- Department of Psychology and The Center for Neuroscience, University of Colorado at Boulder, Boulder, Colorado, USA
| | - Yingning Zhang
- Department of Psychology and The Center for Neuroscience, University of Colorado at Boulder, Boulder, Colorado, USA
| | - Mitesh Shridhar
- Department of Psychology and The Center for Neuroscience, University of Colorado at Boulder, Boulder, Colorado, USA
- Department of Chemistry and Biochemistry, University of Colorado at Boulder, Boulder, Colorado, USA
| | - Niloofar Rezvani
- Department of Psychology and The Center for Neuroscience, University of Colorado at Boulder, Boulder, Colorado, USA
| | - Debra Berkelhammer
- Department of Psychology and The Center for Neuroscience, University of Colorado at Boulder, Boulder, Colorado, USA
| | - Simon Phipps
- Department of Pharmacology, School of Biomedical Sciences, University of Queensland, Queensland, Australia
| | - Paul S. Foster
- Centre for Asthma and Respiratory Diseases (CARD), Division of Biomedical Sciences, University of Newcastle, NSW, Australia
| | - Kyle Landgraf
- Department of Chemistry and Biochemistry, University of Colorado at Boulder, Boulder, Colorado, USA
| | - Joseph J. Falke
- Department of Chemistry and Biochemistry, University of Colorado at Boulder, Boulder, Colorado, USA
| | - Kenner C. Rice
- Chemical Biology Research Branch, National Institute on Drug Abuse and National Institute on Alcohol Abuse and Alcoholism National Institutes of Health, Rockville, Maryland, USA
| | - Steven F. Maier
- Department of Psychology and The Center for Neuroscience, University of Colorado at Boulder, Boulder, Colorado, USA
| | - Hang Yin
- Department of Chemistry and Biochemistry, University of Colorado at Boulder, Boulder, Colorado, USA
| | - Linda R. Watkins
- Department of Psychology and The Center for Neuroscience, University of Colorado at Boulder, Boulder, Colorado, USA
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Ma J, Qiu Y, Yang L, Peng L, Xia Z, Hou LN, Fang C, Qi H, Chen HZ. Desipramine induces apoptosis in rat glioma cells via endoplasmic reticulum stress-dependent CHOP pathway. J Neurooncol 2010; 101:41-8. [PMID: 20549303 DOI: 10.1007/s11060-010-0237-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2010] [Accepted: 05/16/2010] [Indexed: 02/07/2023]
Abstract
Various antidepressants, mainly tricyclic antidepressants (TCAs) and selective serotonin reuptake inhibitors (SSRIs), have exhibited potent anticancer properties in different cancer cell types. In the present study, desipramine (DMI), a representative of TCAs, was examined with respect to its apoptosis-inducing activity in rat C6 glioma cells and the underlying mechanism of action. DMI induced typical apoptotic morphology of chromatin condensation in rat glioma C6 cells and activated intracellular caspase 9 and caspase 3 with no change in mitochondrial membrane potential. Simultaneously, DMI significantly elevated expression of endoplasmic reticulum stress regulator CHOP/GADD153 and its targeting molecule GADD34. However, knockdown of CHOP by CHOP-specific short interfering RNA (siRNA) could decrease the activity of intracellular caspase 3 and the cytotoxicity of DMI to C6 cells. These results revealed that the CHOP-dependent endoplasmic reticulum (ER) stress pathway is responsible for DMI-induced apoptosis in C6 cells.
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Affiliation(s)
- Jian Ma
- Department of Pharmacology, Institute of Medical Sciences, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China
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Liao WC, Huang CC, Lu YC, Chi CC, Chu ST, Su HH, Kuo CC, Cheng JS, Tseng LL, Ho CM, Jan CR. Maprotiline-induced Ca2+ fluxes and apoptosis in human osteosarcoma cells. Drug Dev Res 2010. [DOI: 10.1002/ddr.20371] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Current world literature. Curr Opin Pediatr 2010; 22:117-26. [PMID: 20068414 DOI: 10.1097/mop.0b013e32833539b5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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