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Azulay DR, Bravo BSF, Azulay V, Martins FF, Luiz RR, Cuzzi T, Mandarim CA, Manela-Azulay M. Durability of the improvement of collagen I and collagen III with the use of oral isotretinoin in the treatment of photoaging. Int J Dermatol 2023; 62:1538-1542. [PMID: 37861232 DOI: 10.1111/ijd.16868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 09/12/2023] [Accepted: 09/20/2023] [Indexed: 10/21/2023]
Abstract
BACKGROUND Oral isotretinoin (ISO) is the drug of choice for the treatment of severe acne. For photoaging treatment, ISO has been proved to be effective in some controlled and noncontrolled trials and is an alternative to topical retinoic acid (RA) therapy, which causes an expected skin irritation. OBJECTIVE To evaluate and compare the skin remodeling in patients taking ISO 20 mg 3 times a week for 12 weeks and 12 weeks after the end of the treatment to quantify collagen I and collagen III augmentation. MATERIAL AND METHODS Immunohistochemical studies were performed to evaluate the expression of collagen I and collagen III, metalloproteinases (MMPs) -1, -3, -7, -9, -12, and the tissue inhibitor of MMP type-1 (TIMP-1) of the skin of 20 45 to 50-year-old women through morphometry in a semiquantitative method. The inclusion criteria were facial aging 2 and 3 of Glogau's classification, with phototypes between II and V who had not entered menopause. Biopsies of the skin of the left preauricular region were performed at three different times: pre-treatment (T0), end of 12-week treatment (T1), and 12 weeks posttreatment (T2). RESULTS Collagen fibers I and III increased with statistical significance in T1 (50.7%; P = 0.012) but not in T2 (49.7%), which in turn was higher than in T0 (47.2%) for collagen I and T1 (33.3%; P = 0.002) but not in T2 (32.7%), and also was higher than T0 (32.0%) for collagen III. MMP-9 presented a decreased activity with statistical significance in T1 (P = 0.047) and T2 (P = 0.058). MMP-1 showed a reduction in T2 only (P = 0.015). MMPs -3, -7, -12, and TIMP-1 did not present significant modification in their expressions during or after the treatment. CONCLUSIONS Low-dose ISO is effective in remodeling the extracellular matrix (ECM). This study found that the increase of collagen occurs through the augmentation of both collagen I and collagen III fibers. With originality, it was possible to verify the durability of these fibers for at least 12 weeks. This may be related to the decrease in MMP-9 expression verified at the end of the treatment and 12 weeks posttreatment.
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Affiliation(s)
- David R Azulay
- Institute of Dermatology, Prof. Rubem David Azulay do Hospital Geral da Santa Casa da Misericórdia do Rio de Janeiro, Rio de Janeiro, Brazil
- Serviço de Anatomia Patológica do Hospital Clementino Fraga Filho da, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Bruna S F Bravo
- Institute of Dermatology, Prof. Rubem David Azulay do Hospital Geral da Santa Casa da Misericórdia do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Vitoria Azulay
- Institute of Dermatology, Prof. Rubem David Azulay do Hospital Geral da Santa Casa da Misericórdia do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fabiane F Martins
- Laboratório de Morfometria e Morfologia Cardiovascular do Departamento de Anatomia da, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Ronir R Luiz
- Instituto de Estudos em Saúde Coletiva da UFRJ, Rio de Janeiro, Brazil
| | - Tullia Cuzzi
- Institute of Dermatology, Prof. Rubem David Azulay do Hospital Geral da Santa Casa da Misericórdia do Rio de Janeiro, Rio de Janeiro, Brazil
- Serviço de Anatomia Patológica do Hospital Clementino Fraga Filho da, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Carlos A Mandarim
- Laboratório de Morfometria e Morfologia Cardiovascular do Departamento de Anatomia da, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Mônica Manela-Azulay
- Institute of Dermatology, Prof. Rubem David Azulay do Hospital Geral da Santa Casa da Misericórdia do Rio de Janeiro, Rio de Janeiro, Brazil
- Serviço de Anatomia Patológica do Hospital Clementino Fraga Filho da, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
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Combination Treatment of Retinoic Acid Plus Focal Adhesion Kinase Inhibitor Prevents Tumor Growth and Breast Cancer Cell Metastasis. Cells 2022; 11:cells11192988. [PMID: 36230951 PMCID: PMC9564078 DOI: 10.3390/cells11192988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 08/17/2022] [Accepted: 09/08/2022] [Indexed: 11/17/2022] Open
Abstract
All-trans retinoic acid (RA), the primary metabolite of vitamin A, controls the development and homeostasis of organisms and tissues. RA and its natural and synthetic derivatives, both known as retinoids, are promising agents in treating and chemopreventing different neoplasias, including breast cancer (BC). Focal adhesion kinase (FAK) is a crucial regulator of cell migration, and its overexpression is associated with tumor metastatic behavior. Thus, pharmaceutical FAK inhibitors (FAKi) have been developed to counter its action. In this work, we hypothesize that the RA plus FAKi (RA + FAKi) approach could improve the inhibition of tumor progression. By in silico analysis and its subsequent validation by qPCR, we confirmed RARA, SRC, and PTK2 (encoding RARα, Src, and FAK, respectively) overexpression in all breast cells tested. We also showed a different pattern of genes up/down-regulated between RA-resistant and RA-sensitive BC cells. In addition, we demonstrated that both RA-resistant BC cells (MDA-MB-231 and MDA-MB-468) display the same behavior after RA treatment, modulating the expression of genes involved in Src-FAK signaling. Furthermore, we demonstrated that although RA and FAKi administered separately decrease viability, adhesion, and migration in mammary adenocarcinoma LM3 cells, their combination exerts a higher effect. Additionally, we show that both drugs individually, as well as in combination, induce the expression of apoptosis markers such as active-caspase-3 and cleaved-PARP1. We also provided evidence that RA effects are extrapolated to other cancer cells, including T-47D BC and the human cervical carcinoma HeLa cells. In an orthotopic assay of LM3 tumor growth, whereas RA and FAKi administered separately reduced tumor growth, the combined treatment induced a more potent inhibition increasing mice survival. Moreover, in an experimental metastatic assay, RA significantly reduced metastatic lung dissemination of LM3 cells. Overall, these results indicate that RA resistance could reflect deregulation of most RA-target genes, including genes encoding components of the Src-FAK pathway. Our study demonstrates that RA plays an essential role in disrupting BC tumor growth and metastatic dissemination in vitro and in vivo by controlling FAK expression and localization. RA plus FAKi exacerbate these effects, thus suggesting that the sensitivity to RA therapies could be increased with FAKi coadministration in BC tumors.
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Modulation of Rxrα Expression in Mononuclear Phagocytes Impacts on Cardiac Remodeling after Ischemia-Reperfusion Injury. Biomedicines 2022; 10:biomedicines10061274. [PMID: 35740296 PMCID: PMC9219801 DOI: 10.3390/biomedicines10061274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/21/2022] [Accepted: 05/26/2022] [Indexed: 11/17/2022] Open
Abstract
Retinoid X receptors (RXRs), as members of the steroid/thyroid hormone superfamily of nuclear receptors, are crucial regulators of immune response during health and disease. RXR subtype expression is dependent on tissue and cell type, RXRα being the relevant isoform in monocytes and macrophages. Previous studies have assessed different functions of RXRs and positive implications of RXR agonists on outcomes after ischemic injuries have been described. However, the impact of a reduced Rxrα expression in mononuclear phagocytes on cardiac remodeling after myocardial infarction (MI) has not been investigated to date. Here, we use a temporally controlled deletion of Rxrα in monocytes and macrophages to determine its role in ischemia-reperfusion injury. We show that reduced expression of Rxrα in mononuclear phagocytes leads to a decreased phagocytic activity and an accumulation of apoptotic cells in the myocardium, reduces angiogenesis and cardiac macrophage proliferation in the infarct border zone/infarct area, and has an impact on monocyte/macrophage subset composition. These changes are associated with a greater myocardial defect 30 days after ischemia/reperfusion injury. Overall, the reduction of Rxrα levels in monocytes and macrophages negatively impacts cardiac remodeling after myocardial infarction. Thus, RXRα might represent a therapeutic target to regulate the immune response after MI in order to improve cardiac remodeling.
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Defnet AE, Shah SD, Huang W, Shapiro P, Deshpande DA, Kane MA. Dysregulated retinoic acid signaling in airway smooth muscle cells in asthma. FASEB J 2021; 35:e22016. [PMID: 34784434 PMCID: PMC9361782 DOI: 10.1096/fj.202100835r] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 10/02/2021] [Accepted: 10/11/2021] [Indexed: 12/29/2022]
Abstract
Vitamin A deficiency has been shown to exacerbate allergic asthma. Previous studies have postulated that retinoic acid (RA), an active metabolite of vitamin A and high-affinity ligand for RA receptor (RAR), is reduced in airway inflammatory condition and contributes to multiple features of asthma including airway hyperresponsiveness and excessive accumulation of airway smooth muscle (ASM) cells. In this study, we directly quantified RA and examined the molecular basis for reduced RA levels and RA-mediated signaling in lungs and ASM cells obtained from asthmatic donors and in lungs from allergen-challenged mice. Levels of RA and retinol were significantly lower in lung tissues from asthmatic donors and house dust mite (HDM)-challenged mice compared to non-asthmatic human lungs and PBS-challenged mice, respectively. Quantification of mRNA and protein expression revealed dysregulation in the first step of RA biosynthesis consistent with reduced RA including decreased protein expression of retinol dehydrogenase (RDH)-10 and increased protein expression of RDH11 and dehydrogenase/reductase (DHRS)-4 in asthmatic lung. Proteomic profiling of non-asthmatic and asthmatic lungs also showed significant changes in the protein expression of AP-1 targets consistent with increased AP-1 activity. Further, basal RA levels and RA biosynthetic capabilities were decreased in asthmatic human ASM cells. Treatment of human ASM cells with all-trans RA (ATRA) or the RARγ-specific agonist (CD1530) resulted in the inhibition of mitogen-induced cell proliferation and AP-1-dependent transcription. These data suggest that RA metabolism is decreased in asthmatic lung and that enhancing RAR signaling using ATRA or RARγ agonists may mitigate airway remodeling associated with asthma.
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Affiliation(s)
- Amy E. Defnet
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, Maryland, USA
| | - Sushrut D. Shah
- Center for Translational Medicine, Department of Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Weiliang Huang
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, Maryland, USA
| | - Paul Shapiro
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, Maryland, USA
| | - Deepak A. Deshpande
- Center for Translational Medicine, Department of Medicine, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Maureen A. Kane
- Department of Pharmaceutical Sciences, University of Maryland, Baltimore, Maryland, USA
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Czuba LC, Wu X, Huang W, Hollingshead N, Roberto JB, Kenerson HL, Yeung RS, Crispe IN, Isoherranen N. Altered vitamin A metabolism in human liver slices corresponds to fibrogenesis. Clin Transl Sci 2021; 14:976-989. [PMID: 33382909 PMCID: PMC8212748 DOI: 10.1111/cts.12962] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/25/2020] [Accepted: 11/30/2020] [Indexed: 12/13/2022] Open
Abstract
All-trans-retinoic acid (atRA), the active metabolite of vitamin A, has antifibrogenic properties in vitro and in animal models. Liver vitamin A homeostasis is maintained by cell-specific enzymatic activities including storage in hepatic stellate cells (HSCs), secretion into circulation from hepatocytes, and formation and clearance of atRA. During chronic liver injury, HSC activation is associated with a decrease in liver retinyl esters and retinol concentrations. atRA is synthesized through two enzymatic steps from retinol, but it is unknown if the loss of retinoid stores is associated with changes in atRA formation and which cell types contribute to the metabolic changes. The aim of this study was to determine if the vitamin A metabolic flux is perturbed in acute liver injury, and if changes in atRA concentrations are associated with HSC activation and collagen expression. At basal levels, HSC and Kupffer cells expressed key genes involved in vitamin A metabolism, whereas after acute liver injury, complex changes to the metabolic flux were observed in liver slices. These changes include a reproducible spike in atRA tissue concentrations, decreased retinyl ester and atRA formation rate, and time-dependent changes to the expression of metabolizing enzymes. Kinetic simulations suggested that oxidoreductases are important in determining retinoid metabolic flux after liver injury. These early changes precede HSC activation and upregulation of profibrogenic gene expression, which were inversely correlated with atRA tissue concentrations, suggesting that HSC and Kupffer cells are key cells involved in changes to vitamin A metabolic flux and signaling after liver injury. Study Highlights WHAT IS THE CURRENT KNOWLEDGE ON THE TOPIC? Vitamin A is metabolized in the liver for storage as retinyl esters in hepatic stellate cell (HSCs) or to all-trans-retinoic acid (atRA), an active metabolite with antifibrogenic properties. Following chronic liver injury, vitamin A metabolic flux is perturbed, and HSC activation leads to diminished retinoid stores. WHAT QUESTION DID THIS STUDY ADDRESS? Do changes in the expression of vitamin A metabolizing enzymes explain changes in atRA concentrations and the regulation of fibrosis following acute liver injury? WHAT DOES THIS STUDY ADD TO OUR KNOWLEDGE? In healthy liver, both HSC and Kupffer cells may mediate vitamin A homeostasis. Following acute liver injury, complex changes in metabolizing enzyme expression/activity alter the metabolic flux of retinoids, resulting in a transient peak in atRA concentrations. The atRA concentrations are inversely correlated with profibrogenic gene expression, HSC activation, and collagen deposition. HOW MIGHT THIS CHANGE CLINICAL PHARMACOLOGY OR TRANSLATIONAL SCIENCE? Improved understanding of altered vitamin A metabolic flux in acute liver injury may provide insight into cell-specific contributions to vitamin A loss and lead to novel interventions in liver fibrosis.
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Affiliation(s)
- Lindsay C. Czuba
- Department of PharmaceuticsUniversity of WashingtonSeattleWashingtonUSA
| | - Xia Wu
- Department of Laboratory Medicine and PathologyUniversity of WashingtonSeattleWashingtonUSA
| | - Weize Huang
- Department of PharmaceuticsUniversity of WashingtonSeattleWashingtonUSA
| | - Nicole Hollingshead
- Department of Laboratory Medicine and PathologyUniversity of WashingtonSeattleWashingtonUSA
| | - Jessica B. Roberto
- Department of Laboratory Medicine and PathologyUniversity of WashingtonSeattleWashingtonUSA
| | | | - Raymond S. Yeung
- Department of SurgeryUniversity of WashingtonSeattleWashingtonUSA
| | - Ian N. Crispe
- Department of Laboratory Medicine and PathologyUniversity of WashingtonSeattleWashingtonUSA
| | - Nina Isoherranen
- Department of PharmaceuticsUniversity of WashingtonSeattleWashingtonUSA
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Costantini L, Molinari R, Farinon B, Merendino N. Retinoic Acids in the Treatment of Most Lethal Solid Cancers. J Clin Med 2020; 9:E360. [PMID: 32012980 PMCID: PMC7073976 DOI: 10.3390/jcm9020360] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2020] [Revised: 01/21/2020] [Accepted: 01/24/2020] [Indexed: 12/14/2022] Open
Abstract
Although the use of oral administration of pharmacological all-trans retinoic acid (ATRA) concentration in acute promyelocytic leukaemia (APL) patients was approved for over 20 years and used as standard therapy still to date, the same use in solid cancers is still controversial. In the present review the literature about the top five lethal solid cancers (lung, stomach, liver, breast, and colon cancer), as defined by The Global Cancer Observatory of World Health Organization, and retinoic acids (ATRA, 9-cis retinoic acid, and 13-cis retinoic acid, RA) was compared. The action of retinoic acids in inhibiting the cell proliferation was found in several cell pathways and compartments: from membrane and cytoplasmic signaling, to metabolic enzymes, to gene expression. However, in parallel in the most aggressive phenotypes several escape routes have evolved conferring retinoic acids-resistance. The comparison between different solid cancer types pointed out that for some cancer types several information are still lacking. Moreover, even though some pathways and escape routes are the same between the cancer types, sometimes they can differently respond to retinoic acid therapy, so that generalization cannot be made. Further studies on molecular pathways are needed to perform combinatorial trials that allow overcoming retinoic acids resistance.
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Affiliation(s)
- Lara Costantini
- Department of Ecological and Biological Sciences (DEB), Tuscia University, Largo dell’Università snc, 01100 Viterbo, Italy
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Yen GC, Tsai CM, Lu CC, Weng CJ. Recent progress in natural dietary non-phenolic bioactives on cancers metastasis. J Food Drug Anal 2018; 26:940-964. [PMID: 29976413 PMCID: PMC9303016 DOI: 10.1016/j.jfda.2018.05.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 05/04/2018] [Accepted: 05/15/2018] [Indexed: 12/20/2022] Open
Abstract
From several decades ago to now, cancer continues to be the leading cause of death worldwide, and metastasis is the major cause of cancer-related deaths. For health benefits, there is a great desire to use non-chemical therapy such as nutraceutical supplementation to prevent pathology development. Over 10,000 different natural bioactives or phytochemicals have been known that possessing potential preventive or supplementary effects for various diseases including cancer. Previously, the in vitro and in vivo anti-invasive and anti-metastatic activities of phenolic acids, monophenol, polyphenol and their derivatives and flavonoids and their derivatives have been reviewed. However, a vast number of natural dietary compounds other than phenolics have been demonstrated to potentially possess the ability to inhibit the invasion and metastasis of various cancers. In this review, we summarize the studies in recent decade on in vitro and in vivo effects and molecular mechanisms of natural bioactives, excluding the phenolics in food, in cancer invasion and metastasis. By combining this review of non-phenolics with the previous phenolics reviews, the puzzle for the contribution of natural dietary bioactives on cancer invasive or/and metastatic progress will be almost complete and more clear.
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Affiliation(s)
- Gow-Chin Yen
- Department of Food Science and Biotechnology, National Chung Hsing University, Taichung, Taiwan; Graduate Institute of Food Safety, National Chung Hsing University, Taichung, Taiwan
| | - Chiung-Man Tsai
- Tainan Hospital, Ministry of Health and Welfare, Tainan City, Taiwan
| | - Chi-Cheng Lu
- Department of Pharmacy, Buddhist Tzu Chi General Hospital, Hualien, Taiwan
| | - Chia-Jui Weng
- Department of Living Services Industry, Tainan University of Technology, Tainan City, Taiwan.
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Vanderhoeven F, Redondo AL, Martinez AL, Vargas-Roig LM, Sanchez AM, Flamini MI. Synergistic antitumor activity by combining trastuzumab with retinoic acid in HER2 positive human breast cancer cells. Oncotarget 2018; 9:26527-26542. [PMID: 29899874 PMCID: PMC5995169 DOI: 10.18632/oncotarget.25480] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 05/08/2018] [Indexed: 12/15/2022] Open
Abstract
Breast cancer can be classified into molecular subtypes. Tumors overexpressing HER2 protein are more aggressive and metastatic; hence, patients have a poor prognosis. Anti-HER2 strategies, such as the monoclonal antibody Trastuzumab (Tz), have therefore been developed. Despite this progress, not all patients respond to the treatment. Retinoic acid (RA) has been proposed as an adjuvant treatment of breast carcinoma because of its ability to inhibit cell growth. We evaluated the effect of Tz in combination with RA on the viability, adhesion, migration, invasion and expression of migration-related proteins in SKBR3 and BT-474 human breast cancer cells. MTT, pharmacological interaction analysis, immunofluorescence, adhesion/migration/invasion and Western blot assays were performed. The coadministration of both drugs synergistically decreased cell survival. Tz+RA significantly decreased adhesion/migration/invasion in both cell types. Tz+RA strongly reduced FAK and HER2 expression and induced nuclear FAK translocation. In addition, a granular distribution of HER2 receptor was observed after the combined treatment. In conclusion, the coadministration of both drugs in patients with this type of cancer could contribute to the improvement of their prognosis and reduce the adverse effects of therapy because the applied Tz doses would be lower due to the adjuvant effect of RA.
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Affiliation(s)
- Fiorella Vanderhoeven
- Instituto de Medicina y Biología Experimental de Cuyo, Centro Científico Tecnológico, Mendoza, Argentina
| | - Analía Lourdes Redondo
- Instituto de Medicina y Biología Experimental de Cuyo, Centro Científico Tecnológico, Mendoza, Argentina
| | - Ana Laura Martinez
- Instituto de Medicina y Biología Experimental de Cuyo, Centro Científico Tecnológico, Mendoza, Argentina
| | - Laura María Vargas-Roig
- Instituto de Medicina y Biología Experimental de Cuyo, Centro Científico Tecnológico, Mendoza, Argentina
- Facultad de Ciencias Médicas, Universidad Nacional de Cuyo, Mendoza, Argentina
| | - Angel Matias Sanchez
- Instituto de Medicina y Biología Experimental de Cuyo, Centro Científico Tecnológico, Mendoza, Argentina
| | - Marina Inés Flamini
- Instituto de Medicina y Biología Experimental de Cuyo, Centro Científico Tecnológico, Mendoza, Argentina
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All-Trans Retinoic Acid Ameliorates the Early Experimental Cerebral Ischemia-Reperfusion Injury in Rats by Inhibiting the Loss of the Blood-Brain Barrier via the JNK/P38MAPK Signaling Pathway. Neurochem Res 2018; 43:1283-1296. [PMID: 29802528 DOI: 10.1007/s11064-018-2545-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 04/09/2018] [Accepted: 04/16/2018] [Indexed: 12/16/2022]
Abstract
All-trans retinoic acid (ATRA) influences the outcomes of cerebral ischemic reperfusion (CIR) injury, but the mechanism remains unclear. The present study aimed to investigate the effects of ATRA on loss of the blood brain barrier (BBB) following CIR and to explore the possible mechanisms. Transient middle cerebral artery occlusion was performed on male SD rats to construct an in vivo CIR model. Neurological deficits, BBB permeability, brain edema, MRI and JNK/P38 MAPK proteins were detected at 24 h following CIR. We demonstrated that ATRA pretreatment could alleviate CIR-induced neurological deficits, increase of BBB permeability, infarct volume, degradation of tight junction proteins, inhibit MMP-9 protein expression and activity. ATRA treatment also reduced the p-P38 and p-JNK protein level. However the protective effect of ATRA on CIR could be reversed by administration of retinoic acid alpha receptor antagonist Ro41-5253. SP600125 and SB203580, which is the JNK/P38 pathway inhibitors has the same protective effect as ATRA. These results indicated that ATRA may inhibit the JNK/P38 MAPK pathway to alleviate BBB disruption and improve CIR outcomes.
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Zhang S, Shi R, Chen S, Wei X, Zhou Q, Wang Y. All-trans retinoic acid inhibits the proliferation of SGC7901 cells by regulating caveolin-1 localization via the ERK/MAPK signaling pathway. Oncol Lett 2017; 15:1523-1528. [PMID: 29434845 PMCID: PMC5776886 DOI: 10.3892/ol.2017.7499] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 10/26/2017] [Indexed: 11/06/2022] Open
Abstract
Caveolin-1 is a scaffold protein of caveolae in the mucosa of the gastrointestinal tract and acts as a tumor modulator by interacting with cell adhesion molecules and signaling receptors. Caveolin-1 stabilizes cell-cell and cell-matrix contacts and is a hallmark of a number of different types of human cancer, including gastric cancer. All-trans retinoic acid (ATRA), a derivative of vitamin A, has been demonstrated to exhibit tumor inhibitory effects in acute leukemia and certain types of solid tumor. In the present study, treatment with ATRA was demonstrated to inhibit the proliferation of gastric cancer cell line SGC7901, in a time- and dose-dependent manner. The markedly increased membrane localization of caveolin-1 was observed in the cells that were treated with 10 µmol/l ATRA for > 48 h. In addition, it was observed that treatment with ATRA was able to regulate the level of phosphorylation of extracellular signal-regulated kinase (ERK). Therefore, the SGC7901 cells were treated with a specific agonist of ERK/mitogen-activated protein kinase (MAPK) investigate whether ATRA mediated its effects via the ERK/MAPK signaling pathway. The results of the present study demonstrated that ATRA-induced increase in membrane localization of caveolin-1 was reversed by treatment with a specific agonist of ERK/MAPK. Together, these results suggest that ATRA exhibits anti-gastric cancer effects. ATRA may regulate the membrane localization of caveolin-1 in order to inhibit the proliferation of SGC7901 cells. These effects of ATRA may be mediated by inhibiting the activation of ERK/MAPK signaling pathway. These results contribute to the current knowledge on the potential use of ATRA as therapy for solid tumors and provide further insight into the potential molecular mechanisms of ATRA action.
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Affiliation(s)
- Sumei Zhang
- Laboratory of Molecular Biology and Department of Biochemistry, Key Laboratory of Gene Research of Anhui, Hefei, Anhui 230032, P.R. China
| | - Rui Shi
- Clincal Center of Tumor Therapy, The Lu'an People's Hospital, Lu'an, Anhui 237005, P.R. China
| | - Shaolong Chen
- Laboratory of Molecular Biology and Department of Biochemistry, Key Laboratory of Gene Research of Anhui, Hefei, Anhui 230032, P.R. China
| | - Xiang Wei
- Laboratory of Molecular Biology and Department of Biochemistry, Key Laboratory of Gene Research of Anhui, Hefei, Anhui 230032, P.R. China
| | - Qing Zhou
- Laboratory of Molecular Biology and Department of Biochemistry, Key Laboratory of Gene Research of Anhui, Hefei, Anhui 230032, P.R. China
| | - Yuan Wang
- Laboratory of Molecular Biology and Department of Biochemistry, Key Laboratory of Gene Research of Anhui, Hefei, Anhui 230032, P.R. China
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Lan L, Basourakos S, Cui D, Zuo X, Deng W, Huo L, Chen H, Zhang G, Deng L, Shi B, Luo Y. ATRA increases iodine uptake and inhibits the proliferation and invasiveness of human anaplastic thyroid carcinoma SW1736 cells: Involvement of β-catenin phosphorylation inhibition. Oncol Lett 2017; 14:7733-7738. [PMID: 29344218 PMCID: PMC5755144 DOI: 10.3892/ol.2017.7225] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 08/10/2017] [Indexed: 12/31/2022] Open
Abstract
All-trans-retinoic acid (ATRA) can enhance iodine uptake capability of thyroid tumors, but the mechanisms remain poorly understood. The aim of the present study was to investigate the effects of ATRA on isotope susceptibility, proliferation and invasion of anaplastic thyroid carcinoma (ATC) and potential mechanisms. SW1736 cells were treated with 1 µmol/l ATRA or 1% ethanol for 5 days. A cell line stably expressing β-catenin-shRNA was established. An iodine uptake assay was performed using 125I. Proliferation and invasiveness were tested using MTT and Transwell assays, respectively. Western blotting was used to assess the expression of β-catenin, glycogen synthase kinase-3β (GSK-3β), sodium/iodine symporter (NIS) and proteins involved in epithelial-mesenchymal transition. Cells pretreated with ATRA were injected subcutaneously into SCID mice. Mice were intraperitoneally injected with 131I once on the first day of treatment, and tumor growth was then assessed. After 35 days of 131I treatment, ATRA-pretreated tumor volume and weight were decreased compared with the 131I alone group (163.32±19.57 vs. 332.06±21.37 mm3; 0.35±0.14 vs. 0.67±0.23 g, both P<0.05). Similar results were observed in the β-catenin shRNA-pretreated tumors. ATRA also increased the uptake of iodine by SW1736 cells (P<0.01), and similar results were observed in β-catenin shRNA cells. ATRA treatment decreased the cell proliferation and invasion compared with control cells (all P<0.05), similar to β-catenin shRNA. ATRA treatment decreased the expression of phosphorylated (p-)β-catenin, p-GSK-3β, vimentin, and fibronectin, and increased the expression of NIS and E-cadherin, compared with the control. ATRA increased the iodine uptake and inhibited the proliferation and invasion of SW1736 cells, involving β-catenin phosphorylation. In conclusion, ATRA could be used to improve the isotope sensitivity of ATC.
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Affiliation(s)
- Ling Lan
- Department of Endocrinology, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Spyros Basourakos
- Department of Genitourinary, Cancer Medicine, MD Anderson Cancer Center, University of Texas, Houston, TX 77030, USA
| | - Dai Cui
- Department of Endocrinology, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Xuemei Zuo
- Department of Genitourinary, Cancer Medicine, MD Anderson Cancer Center, University of Texas, Houston, TX 77030, USA
| | - Wei Deng
- Department of Endocrinology, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Lili Huo
- Department of Endocrinology, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Hailing Chen
- Department of Endocrinology, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Guoying Zhang
- Department of Endocrinology, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Lili Deng
- Department of Endocrinology, Beijing Jishuitan Hospital, Beijing 100035, P.R. China
| | - Bingyin Shi
- Department of Endocrinology, First Affiliated Hospital of Medical College of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Yong Luo
- Department of Genitourinary, Cancer Medicine, MD Anderson Cancer Center, University of Texas, Houston, TX 77030, USA.,Department of Urology, Beijing Anzhen Hospital, Capital Medical University, Beijing 100029, P.R. China
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12
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Doan TB, Graham JD, Clarke CL. Emerging functional roles of nuclear receptors in breast cancer. J Mol Endocrinol 2017; 58:R169-R190. [PMID: 28087820 DOI: 10.1530/jme-16-0082] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 01/12/2017] [Indexed: 12/13/2022]
Abstract
Nuclear receptors (NRs) have been targets of intensive drug development for decades due to their roles as key regulators of multiple developmental, physiological and disease processes. In breast cancer, expression of the estrogen and progesterone receptor remains clinically important in predicting prognosis and determining therapeutic strategies. More recently, there is growing evidence supporting the involvement of multiple nuclear receptors other than the estrogen and progesterone receptors, in the regulation of various processes important to the initiation and progression of breast cancer. We review new insights into the mechanisms of action of NRs made possible by recent advances in genomic technologies and focus on the emerging functional roles of NRs in breast cancer biology, including their involvement in circadian regulation, metabolic reprogramming and breast cancer migration and metastasis.
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Affiliation(s)
- Tram B Doan
- Westmead Institute for Medical ResearchSydney Medical School - Westmead, University of Sydney, Sydney, New South Wales, Australia
| | - J Dinny Graham
- Westmead Institute for Medical ResearchSydney Medical School - Westmead, University of Sydney, Sydney, New South Wales, Australia
| | - Christine L Clarke
- Westmead Institute for Medical ResearchSydney Medical School - Westmead, University of Sydney, Sydney, New South Wales, Australia
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13
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Chronopoulos A, Robinson B, Sarper M, Cortes E, Auernheimer V, Lachowski D, Attwood S, García R, Ghassemi S, Fabry B, Del Río Hernández A. ATRA mechanically reprograms pancreatic stellate cells to suppress matrix remodelling and inhibit cancer cell invasion. Nat Commun 2016; 7:12630. [PMID: 27600527 PMCID: PMC5023948 DOI: 10.1038/ncomms12630] [Citation(s) in RCA: 192] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 07/18/2016] [Indexed: 12/13/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive malignancy with a dismal survival rate. Persistent activation of pancreatic stellate cells (PSCs) can perturb the biomechanical homoeostasis of the tumour microenvironment to favour cancer cell invasion. Here we report that ATRA, an active metabolite of vitamin A, restores mechanical quiescence in PSCs via a mechanism involving a retinoic acid receptor beta (RAR-β)-dependent downregulation of actomyosin (MLC-2) contractility. We show that ATRA reduces the ability of PSCs to generate high traction forces and adapt to extracellular mechanical cues (mechanosensing), as well as suppresses force-mediated extracellular matrix remodelling to inhibit local cancer cell invasion in 3D organotypic models. Our findings implicate a RAR-β/MLC-2 pathway in peritumoural stromal remodelling and mechanosensory-driven activation of PSCs, and further suggest that mechanical reprogramming of PSCs with retinoic acid derivatives might be a viable alternative to stromal ablation strategies for the treatment of PDAC. Persistent activation of pancreatic stellate cells (PSCs) can perturb the biomechanical homeostasis of the tumour microenvironment. Here the authors show that all-trans retinoic acid reduces retinoic acid receptor beta dependent-actomyosin contractility and restores mechanical quiescence in PSCs.
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Affiliation(s)
- Antonios Chronopoulos
- Cellular and Molecular Biomechanics Laboratory, Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | - Benjamin Robinson
- Cellular and Molecular Biomechanics Laboratory, Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | - Muge Sarper
- Cellular and Molecular Biomechanics Laboratory, Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | - Ernesto Cortes
- Cellular and Molecular Biomechanics Laboratory, Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | - Vera Auernheimer
- Department of Physics, Biophysics Group, University of Erlangen-Nuremberg, Erlangen 91054, Germany
| | - Dariusz Lachowski
- Cellular and Molecular Biomechanics Laboratory, Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | - Simon Attwood
- Cellular and Molecular Biomechanics Laboratory, Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | - Rebeca García
- Cellular and Molecular Biomechanics Laboratory, Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
| | - Saba Ghassemi
- Department of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104, USA
| | - Ben Fabry
- Department of Physics, Biophysics Group, University of Erlangen-Nuremberg, Erlangen 91054, Germany
| | - Armando Del Río Hernández
- Cellular and Molecular Biomechanics Laboratory, Department of Bioengineering, Imperial College London, London SW7 2AZ, UK
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14
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Sanchez AM, Shortrede JE, Vargas-Roig LM, Flamini MI. Retinoic acid induces nuclear FAK translocation and reduces breast cancer cell adhesion through Moesin, FAK, and Paxillin. Mol Cell Endocrinol 2016; 430:1-11. [PMID: 27130522 DOI: 10.1016/j.mce.2016.04.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 04/25/2016] [Accepted: 04/25/2016] [Indexed: 01/08/2023]
Abstract
Breast cancer is the most common malignancy in women, with metastases being the cause of death in 98%. In previous works we have demonstrated that retinoic acid (RA), the main retinoic acid receptor (RAR) ligand, is involved in the metastatic process by inhibiting migration through a reduced expression of the specific migration-related proteins Moesin, c-Src, and FAK. At present, our hypothesis is that RA also acts for short periods in a non-genomic action to cooperate with motility reduction and morphology of breast cancer cells. Here we identify that the administration of 10(-6) M RA (10-20 min) induces the activation of the migration-related proteins Moesin, FAK, and Paxillin in T-47D breast cancer cells. The phosphorylation exerted by the selective agonists for RARα and RARβ, on Moesin, FAK, and Paxillin was comparable to the activation exerted by RA. The RARγ agonist only led to a weak activation, suggesting the involvement of RARα and RARβ in this pathway. We then treated the cells with different inhibitors that are involved in cell signaling to regulate the mechanisms of cell motility. RA failed to activate Moesin, FAK, and Paxillin in cells treated with Src inhibitor (PP2) and PI3K inhibitor (WM), suggesting the participation of Src-PI3K in this pathway. Treatment with 10(-6) M RA for 20 min significantly decreased cell adhesion. However, when cells were treated with 10(-6) M RA and FAK inhibitor, the RA did not significantly inhibit adhesion, suggesting a role of FAK in the adhesion inhibited by RA. By immunofluorescence and immunoblotting analysis we demonstrated that RA induced nuclear FAK translocation leading to a reduced cellular adhesion. These findings provide new information on the actions of RA for short periods. RA participates in cell adhesion and subsequent migration, modulating the relocation and activation of proteins involved in cell migration.
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Affiliation(s)
- Angel Matías Sanchez
- Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Research Council of Argentina, Mendoza, Argentina
| | - Jorge Eduardo Shortrede
- Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Research Council of Argentina, Mendoza, Argentina
| | - Laura María Vargas-Roig
- Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Research Council of Argentina, Mendoza, Argentina; School of Medical Sciences, National University of Cuyo, Mendoza, Argentina
| | - Marina Inés Flamini
- Institute of Medicine and Experimental Biology of Cuyo (IMBECU), National Research Council of Argentina, Mendoza, Argentina.
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15
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Zhou HY, Zhong W, Zhang H, Bi MM, Wang S, Zhang WS. Potential role of nuclear receptor ligand all-trans retinoic acids in the treatment of fungal keratitis. Int J Ophthalmol 2015; 8:826-32. [PMID: 26309886 DOI: 10.3980/j.issn.2222-395.2015.04.32] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2013] [Accepted: 02/04/2015] [Indexed: 12/17/2022] Open
Abstract
Fungal keratitis (FK) is a worldwide visual impairment disease. This infectious fungus initiates the primary innate immune response and, later the adaptive immune response. The inflammatory process is related to a variety of immune cells, including macrophages, helper T cells, neutrophils, dendritic cells, and Treg cells, and is associated with proinflammatory, chemotactic and regulatory cytokines. All-trans retinoic acids (ATRA) have diverse immunomodulatory actions in a number of inflammatory and autoimmune conditions. These retinoids regulate the transcriptional levels of target genes through the activation of nuclear receptors. Retinoic acid receptor α (RAR α), retinoic acid receptor γ (RAR γ), and retinoid X receptor α (RXR α) are expressed in the cornea and immune cells. This paper summarizes new findings regarding ATRA in immune and inflammatory diseases and analyzes the perspective application of ATRA in FK.
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Affiliation(s)
- Hong-Yan Zhou
- Department of Ophthalmology, China-Japan Union Hospital, Jilin University, Changchun 130033, Jilin Province, China
| | - Wei Zhong
- Department of Ophthalmology, China-Japan Union Hospital, Jilin University, Changchun 130033, Jilin Province, China
| | - Hong Zhang
- Department of Ophthalmology, China-Japan Union Hospital, Jilin University, Changchun 130033, Jilin Province, China
| | - Miao-Miao Bi
- Department of Ophthalmology, China-Japan Union Hospital, Jilin University, Changchun 130033, Jilin Province, China
| | - Shuang Wang
- Department of Ophthalmology, China-Japan Union Hospital, Jilin University, Changchun 130033, Jilin Province, China
| | - Wen-Song Zhang
- Department of Glaucoma, the Second Hospital of Jilin University, Changchun 130041, Jilin Province, China
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16
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Wang R, Chen S, Liu Y, Diao S, Xue Y, You X, Park EA, Liao FF. All-trans-retinoic acid reduces BACE1 expression under inflammatory conditions via modulation of nuclear factor κB (NFκB) signaling. J Biol Chem 2015; 290:22532-42. [PMID: 26240147 DOI: 10.1074/jbc.m115.662908] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2015] [Indexed: 11/06/2022] Open
Abstract
Insulin resistance and neuroinflammation have emerged as two likely key contributors in the pathogenesis of Alzheimer disease (AD), especially in those sporadic AD cases compromised by diabetes or cardiovascular disease. Amyloid-β (Aβ) deposition and its associated inflammatory response are hallmarks in sporadic AD brains. Elevated expression and activity of β-secretase 1 (BACE1), the rate-limiting enzyme responsible for the β-cleavage of amyloid precursor proteins to Aβ peptides, are also observed in sporadic AD brains. Previous studies have suggested that there is therapeutic potential for retinoic acid in treating neurodegeneration based on decreased Aβ. Here we discovered that BACE1 expression is elevated in the brains of both Tg2576 transgenic mice and mice on high fat diets. These conditions are associated with a neuroinflammatory response. We found that administration of all-trans-retinoic acid (atRA) down-regulated the expression of BACE1 in the brains of Tg2576 mice and in mice fed a high fat diet. Moreover, in LPS-treated mice and cultured neurons, BACE1 expression was repressed by the addition of atRA, correlating with the anti-inflammatory efficacy of atRA. Mutations of the NFκB binding site in BACE1 promoter abolished the suppressive effect of atRA. Furthermore, atRA disrupted LPS-induced nuclear translocation of NFκB and its binding to BACE1 promoter as well as promoting the recruitment of the corepressor NCoR. Our findings indicate that atRA represses BACE1 gene expression under inflammatory conditions via the modulation of NFκB signaling.
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Affiliation(s)
- Ruishan Wang
- From the Department of Pharmacology, University of Tennessee Health Science Center, Memphis, Tennessee 38163,
| | - Shaoya Chen
- From the Department of Pharmacology, University of Tennessee Health Science Center, Memphis, Tennessee 38163
| | - Yingchun Liu
- From the Department of Pharmacology, University of Tennessee Health Science Center, Memphis, Tennessee 38163
| | - Shiyong Diao
- From the Department of Pharmacology, University of Tennessee Health Science Center, Memphis, Tennessee 38163
| | - Yueqiang Xue
- From the Department of Pharmacology, University of Tennessee Health Science Center, Memphis, Tennessee 38163
| | - Xiaoqing You
- the Division of Cell Biology and Genetics, Fujian Medical University, Fuzhou 350004, China
| | - Edwards A Park
- From the Department of Pharmacology, University of Tennessee Health Science Center, Memphis, Tennessee 38163, the Department of Veterans Affairs Medical Center, Memphis, Tennessee 38163, and
| | - Francesca-Fang Liao
- From the Department of Pharmacology, University of Tennessee Health Science Center, Memphis, Tennessee 38163,
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17
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Lee JY, Moon YJ, Lee HO, Park AK, Choi SA, Wang KC, Han JW, Joung JG, Kang HS, Kim JE, Phi JH, Park WY, Kim SK. Deregulation of Retinaldehyde Dehydrogenase 2 Leads to Defective Angiogenic Function of Endothelial Colony-Forming Cells in Pediatric Moyamoya Disease. Arterioscler Thromb Vasc Biol 2015; 35:1670-7. [PMID: 26023078 DOI: 10.1161/atvbaha.115.305363] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2014] [Accepted: 05/06/2015] [Indexed: 01/07/2023]
Abstract
OBJECTIVE-- Moyamoya disease (MMD) is a common cause of childhood stroke, in which the abnormal function of the endothelial colony-forming cell (ECFC) plays a key role in the pathogenesis of the disease. This study was designed to identify genes involved in MMD pathogenesis using gene expression profiling and to understand the defective function of MMD ECFCs. APPROACH AND RESULTS-- We compared gene expression profiles of ECFCs isolated from patients with MMD and normal controls. Among the differentially expressed genes, we selected a gene with the most downregulated expression, retinaldehyde dehydrogenase 2 (RALDH2). The activity of RALDH2 in MMD ECFCs was assessed by in vitro tube formation assay and in vivo Matrigel plug assay in the presence of all-trans retinoic acid. The transcriptional control of RALDH2 was tested using ChIP assays on acetyl-histone H3. In the results, MMD ECFCs inefficiently formed capillary tubes in vitro and capillaries in vivo, a defect restored by all-trans retinoic acid treatment. Knockdown of RALDH2 mRNA in normal ECFCs also induced decreased activity of capillary formation in vitro. The decreased level of RALDH2 mRNA in MMD ECFCs was attributed to defective acetyl-histone H3 binding to the promoter region. CONCLUSIONS-- From these results, we conclude that the expression of RALDH2 was epigenetically suppressed in ECFCs from patients with MMD, which may play a key role in their functional impairment.
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Affiliation(s)
- Ji Yeoun Lee
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Youn Joo Moon
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Hae-Ock Lee
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Ae-Kyung Park
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Seung-Ah Choi
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Kyu-Chang Wang
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Jung Woo Han
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Je-Gun Joung
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Hyun Seung Kang
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Jeong Eun Kim
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Ji Hoon Phi
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.)
| | - Woong-Yang Park
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.).
| | - Seung-Ki Kim
- From the Department of Anatomy (J.Y.L.), Division of Pediatric Neurosurgery, Seoul National University Children's Hospital (J.Y.L., Y.J.M., S.-A.C., K.-C.W., J.W.H., J.H.P., S.-K.K.), and Department of Neurosurgery (H.S.K., J.E.K.), Seoul National University College of Medicine, Seoul, Korea; Samsung Genome Institute, Samsung Medical Center, Seoul, Korea (H.-O.L., J.-G.J., W.-Y.P.); College of Pharmacy, Sunchon National University, Jeonnam, Korea (A.-K.P.); and Department of Molecular Cell Biology, Sungkyunkwan University School of Medicine, Suwon, Korea (H.-O.L., W.-Y.P.).
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18
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Gutiérrez-Fernández A, Soria-Valles C, Osorio FG, Gutiérrez-Abril J, Garabaya C, Aguirre A, Fueyo A, Fernández-García MS, Puente XS, López-Otín C. Loss of MT1-MMP causes cell senescence and nuclear defects which can be reversed by retinoic acid. EMBO J 2015; 34:1875-88. [PMID: 25991604 DOI: 10.15252/embj.201490594] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2014] [Accepted: 04/24/2015] [Indexed: 11/09/2022] Open
Abstract
MT1-MMP (MMP14) is a collagenolytic enzyme located at the cell surface and implicated in extracellular matrix (ECM) remodeling. Mmp14(-/-) mice present dwarfism, bone abnormalities, and premature death. We demonstrate herein that the loss of MT1-MMP also causes cardiac defects and severe metabolic changes, and alters the cytoskeleton and the nuclear lamina structure. Moreover, the absence of MT1-MMP induces a senescent phenotype characterized by up-regulation of p16(INK4a) and p21(CIP1/WAF) (1), increased activity of senescence-associated β-galactosidase, generation of a senescence-associated secretory phenotype, and somatotroph axis alterations. Consistent with the role of retinoic acid signaling in nuclear lamina stabilization, treatment of Mmp14(-/-) mice with all-trans retinoic acid reversed the nuclear lamina alterations, partially rescued the cell senescence phenotypes, ameliorated the pathological defects in bone, skin, and heart, and extended their life span. These results demonstrate that nuclear architecture and cell senescence can be modulated by a membrane protease, in a process involving the ECM as a key regulator of nuclear stiffness under cell stress conditions.
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Affiliation(s)
- Ana Gutiérrez-Fernández
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Oncología (IUOPA) Universidad de Oviedo, Oviedo, Spain
| | - Clara Soria-Valles
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Oncología (IUOPA) Universidad de Oviedo, Oviedo, Spain
| | - Fernando G Osorio
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Oncología (IUOPA) Universidad de Oviedo, Oviedo, Spain
| | - Jesús Gutiérrez-Abril
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Oncología (IUOPA) Universidad de Oviedo, Oviedo, Spain
| | - Cecilia Garabaya
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Oncología (IUOPA) Universidad de Oviedo, Oviedo, Spain
| | - Alina Aguirre
- Área de Fisiología, Departamento de Biología Funcional, Facultad de Medicina, Instituto Universitario de Oncología (IUOPA) Universidad de Oviedo, Oviedo, Spain
| | - Antonio Fueyo
- Área de Fisiología, Departamento de Biología Funcional, Facultad de Medicina, Instituto Universitario de Oncología (IUOPA) Universidad de Oviedo, Oviedo, Spain
| | | | - Xose S Puente
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Oncología (IUOPA) Universidad de Oviedo, Oviedo, Spain
| | - Carlos López-Otín
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Instituto Universitario de Oncología (IUOPA) Universidad de Oviedo, Oviedo, Spain
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Liang C, Yang L, Guo S. All- trans retinoic acid inhibits migration, invasion and proliferation, and promotes apoptosis in glioma cells in vitro. Oncol Lett 2015; 9:2833-2838. [PMID: 26137156 DOI: 10.3892/ol.2015.3120] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Accepted: 03/17/2015] [Indexed: 01/09/2023] Open
Abstract
All-trans retinoic acid (ATRA) is a derivative of vitamin A that can induce differentiation and apoptosis, as well as inhibit proliferation, in glioma cells. However, the effect of ATRA on the migration and invasiveness of glioma remains poorly understood. In addition, although it is universally accepted that ATRA can induce apoptosis and inhibit proliferation in glioma cells, the association between the concentration and effects of ATRA remain unclear. Therefore, the present study investigated the effects of ATRA treatment on the migration, invasion, apoptosis and proliferation of glioma cells. The U87 and SHG44 glioma cell lines were treated with various concentrations of ATRA, consisting of 0, 5, 10, 20 and 40 µmol/l. A scratch wound healing assay and a Matrigel invasion assay were used to investigate cell migration and invasion, respectively. Flow cytometry was performed to investigate apoptosis and cell cycle distribution. Reverse transcription-quantitative polymerase chain reaction and western blotting were used to investigate the expression of matrix metalloproteinase (MMP)-2 and -9 in each cell treatment group. Following treatment with ATRA, the migration, invasion and proliferation of the glioma cells were significantly inhibited, and the apoptosis rate was significantly increased compared with that of the blank control group. Furthermore, a dose-effect association was identified between each effects and ATRA treatment. The mRNA and protein expression of MMP-2 in U87 glioma cells was not significantly affected following treatment with low concentrations of ATRA, consisting of 5 and 10 µmol/l ATRA, compared with the expression in the control group (P>0.05). However, treatment with high concentrations of ATRA, consisting of 20 and 40 µmol/l ATRA, significantly downregulated the expression levels of MMP-2 in U87 cells. In contrast to U87 cells, the administration of ATRA treatment to SHG44 glioma cells resulted in a significant and dose-dependent downregulation in MMP-2 mRNA and protein expression (P<0.01). In addition, significant downregulation of MMP-9 expression was identified in the two glioma cell lines (P<0.01). The results of the present study indicate that treatment with ATRA may inhibit migration, invasion and proliferation, and promote apoptosis in glioma cells. Furthermore, the current study indicates that the inhibition of glioma cell invasion by ATRA may be partially associated with its effect ability to downregulate MMP expression.
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Affiliation(s)
- Chen Liang
- Department of Neurosurgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
| | - Ling Yang
- Department of Aeromedical Physical Examination, Xi'an Civil Aviation Hospital, Xi'an, Shaanxi 710061, P.R. China
| | - Shiwen Guo
- Department of Neurosurgery, First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
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Chen MC, Hsu SL, Lin H, Yang TY. Retinoic acid and cancer treatment. Biomedicine (Taipei) 2014; 4:22. [PMID: 25520935 PMCID: PMC4265016 DOI: 10.7603/s40681-014-0022-1] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2014] [Accepted: 11/05/2014] [Indexed: 12/18/2022] Open
Abstract
Retinoic acid which belongs to the retinoid class of chemical compounds is an important metabolite of vitamin A in diets. It is currently understood that retinoic acid plays important roles in cell development and differentiation as well as cancer treatment. Lung, prostate, breast, ovarian, bladder, oral, and skin cancers have been demonstrated to be suppressed by retinoic acid. Our results also show that low doses and high doses of retinoic acid may respectively cause cell cycle arrest and apoptosis of cancer cells. Also, the common cell cycle inhibiting protein, p27, and the new cell cycle regulator, Cdk5, are involved in retinoic acid’s effects. These results provide new evidence indicating that the molecular mechanisms of/in retinoic acid may control cancer cells’ fates. Since high doses of retinoic acid may lead to cytotoxicity, it is probably best utilized as a potential supplement in one’s daily diet to prevent or suppress cancer progression. In this review, we have collected numerous references demonstrating the findings of retinoic acid in melanoma, hepatoma, lung cancer, breast cancer, and prostate cancer. We hope these observations will shed light on the future investigation of retinoic acid in cancer prevention and therapy.
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Affiliation(s)
- Mei-Chih Chen
- Department of Medical Research, Taichung Veterans General Hospital, Taichung 407, Taichung, Taiwan
| | - Shih-Lan Hsu
- Department of Medical Research, Taichung Veterans General Hospital, Taichung 407, Taichung, Taiwan
| | - Ho Lin
- Department of Life Sciences, National Chung Hsing University, No. 250, Kuokuang Rd., Taichung 402, Taichung, Taiwan
| | - Tsung-Ying Yang
- Department of Chest Medicine, Taichung Veterans General Hospital, No. 160, Taichung Harbor Rd., Sec. 3, Taichung 407, Taichung, Taiwan
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21
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Lengyel JNG, Park EY, Brunson AR, Pinali D, Lane MA. Phosphatidylinositol 3-kinase mediates the ability of retinol to decrease colorectal cancer cell invasion. Nutr Cancer 2014; 66:1352-61. [PMID: 25356626 DOI: 10.1080/01635581.2014.956258] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Previously, we showed that retinol (vitamin A) decreased both colorectal cancer cell invasion and phosphatidylinositol 3-kinase (PI3K) activity through a retinoic acid receptor-independent mechanism. Here, we determined if these phenomena were related by using parental HCT-116 cells that harbor 1 allele of wild-type PI3K and 1 allele of constitutively active (ca) PI3K and 2 mutant HCT-116 cell lines homozygous for caPI3K. In vitro, treatment of parental HCT-116 cells with 10 μM retinol reduced cell invasion whereas treatment of mutant HCT-116 cell lines with retinol did not. Treatment with 10 μM retinol also decreased the activity of matrixmetalloproteinase-9 and increased tissue inhibitor of matrixmetalloproteinase-I levels in parental, but not mutant, HCT-116 cells. Finally, parental or mutant cells were intrasplenically injected into athymic mice consuming diets with or without supplemental vitamin A. As expected, vitamin A supplementation tended (P = 0.18) to reduce the incidence of metastases in mice injected with the parental cell line and consuming the supplemented diet. In contrast, metastatic incidence was not affected (P = 1.00) by vitamin A supplementation in mice injected with mutant cells. These data indicate that the capacity of retinol to inhibit PI3K activity confers its ability to decrease colorectal cancer metastasis.
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Affiliation(s)
- Jennifer N Griffin Lengyel
- a School of Family and Consumer Sciences, Nutrition and Foods Program , Texas State University-San Marcos , San Marcos , Texas , USA
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22
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Flamini MI, Gauna GV, Sottile ML, Nadin BS, Sanchez AM, Vargas-Roig LM. Retinoic acid reduces migration of human breast cancer cells: role of retinoic acid receptor beta. J Cell Mol Med 2014; 18:1113-23. [PMID: 24720764 PMCID: PMC4508151 DOI: 10.1111/jcmm.12256] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Accepted: 01/21/2014] [Indexed: 11/27/2022] Open
Abstract
Breast cancer is the most common malignancy in women and the appearance of distant metastases produces the death in 98% of cases. The retinoic acid receptor β (RARβ) is not expressed in 50% of invasive breast carcinoma compared with normal tissue and it has been associated with lymph node metastasis. Our hypothesis is that RARβ protein participates in the metastatic process. T47D and MCF7 breast cancer cell lines were used to perform viability assay, immunobloting, migration assays, RNA interference and immunofluorescence. Administration of retinoic acid (RA) in breast cancer cells induced RARβ gene expression that was greatest after 72 hrs with a concentration 1 μM. High concentrations of RA increased the expression of RARβ causing an inhibition of the 60% in cell migration and significantly decreased the expression of migration-related proteins [moesin, c-Src and focal adhesion kinase (FAK)]. The treatment with RARα and RARγ agonists did not affect the cell migration. On the contrary, the addition of the selective retinoid RARβ-agonist (BMS453) significantly reduced cell migration comparable to RA inhibition. When RARβ gene silencing was performed, the RA failed to significantly inhibit migration and resulted ineffective to reduce moesin, c-Src and FAK expressions. RARβ is necessary to inhibit migration induced by RA in breast cancer cells modulating the expression of proteins involved in cell migration.
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Affiliation(s)
- Marina Ines Flamini
- Tumor Biology Laboratory, Institute of Medicine and Experimental Biology of Cuyo, National Research Council of Argentina, Mendoza, Argentina
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Akdeniz O, Akduman D, Haksever M, Ozkarakas H, Muezzinoglu B. Relationships Between Clinical Behavior of Laryngeal Squamous Cell Carcinomas and Expression of VEGF, MMP-9 and E-Cadherin. Asian Pac J Cancer Prev 2013; 14:5301-10. [DOI: 10.7314/apjcp.2013.14.9.5301] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Oh HJ, Kang YG, Na TY, Kim HJ, Park JS, Cho WJ, Lee MO. Identification of daidzein as a ligand of retinoic acid receptor that suppresses expression of matrix metalloproteinase-9 in HaCaT cells. Mol Cell Endocrinol 2013; 376:107-13. [PMID: 23791815 DOI: 10.1016/j.mce.2013.06.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/30/2013] [Revised: 06/08/2013] [Accepted: 06/11/2013] [Indexed: 11/24/2022]
Abstract
Retinoids have been used as therapeutics for diverse skin diseases, but their side effects limit clinical usage. Here, we report that extracts of two soybeans, Glycine max and Rhynchosia nulubilis, and their ethyl acetate fractions increased the transcriptional activity of retinoic acid receptors (RARs), and that daidzin and genistin were the major constituents of the active fractions. Daidzin and its aglycone, daidzein, induced transcriptional activity of RAR and RARγ. FRET analysis demonstrated that daidzein, but not daidzin, bound both RAR and RARγ with EC50 values of 28μM and 40μM, respectively. Daidzein increased expression of mRNA of RARγ through direct binding of RAR and recruitment of p300 to the RARγ2 promoter. Further, mRNA and gelatinolytic activity of matrix metalloproteinase-9 were decreased by daidzein in HaCaT cells. Together, these results indicate that daidzein functions as a ligand of RAR that could be a candidate therapeutic for skin diseases.
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Affiliation(s)
- Hyeon-Jeong Oh
- College of Pharmacy and Bio-MAX Institute, Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 151-742, Republic of Korea
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All-trans retinoic acid inhibits craniopharyngioma cell growth: study on an explant cell model. J Neurooncol 2013; 112:355-64. [DOI: 10.1007/s11060-013-1080-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2012] [Accepted: 02/09/2013] [Indexed: 10/27/2022]
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Kim EC, Kim TK, Park SH, Kim MS. The wound healing effects of vitamin A eye drops after a corneal alkali burn in rats. Acta Ophthalmol 2012; 90:e540-6. [PMID: 23106861 DOI: 10.1111/j.1755-3768.2012.02496.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
PURPOSE We investigated the wound healing effect of retinyl palmitate eyedrops following a corneal alkali burn in rats. METHODS A total of 160 Sprague-Dawley male rats were divided into two groups and central corneas were injured by contacting eyes with filter paper saturated with 0.01 m NaOH for 45 seconds. Vitamin A group was treated with retinyl palmitate and antibiotic (Cravit(®) : 0.5% levofloxacin) eye drops four times daily for 3 days and the control group with vehicle and antibiotic eye drops. Corneal wound healing by fluorescein staining and impression cytologic analysis were conducted at 0, 24, 48 and 72 hr after injury. Vascular endothelial growth factor A (VEGF-A), thrombospondin 2, matrix metalloproteinase 9 (MMP 9) and transforming growth factor-β (TGF-β) were measured in corneas by ELISA, immunofluorescent staining and real-time PCR. RESULTS Corneal wound healing was better in the vitamin A group than in the control group. Early sprouting of new vessel was observed in the control group at 72 hr, but not in the vitamin A group. Corneal thrombospondin 2 proteins in ELISA were higher in the vitamin A group, but VEGF-A, MMP 9 and TGF-β proteins were higher in the control group (p < 0.05). Similarly, thrombospondin 2 immunofluorescent staining was stronger, whereas VEGF-A, MMP 9 and TGF-β staining were weaker in the vitamin A group (p < 0.05). In addition, thrombospondin 2 mRNA levels were higher, whereas VEGF-A, MMP 9 and TGF-β mRNA levels were lower in the vitamin A group (p < 0.05). CONCLUSIONS Retinyl palmitate eye drops can inhibit VEGF-A and activate thrombospondin 2 and improve conjunctival impression cytologic findings. Furthermore, retinyl palmitate eye drops were found to promote corneal healing after an alkali burn in rats.
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Affiliation(s)
- Eun Chul Kim
- Department of Ophthalmology & Visual Science, College of Medicine, Catholic University of Korea, Seoul, Korea
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Zhou TB, Qin YH. The potential mechanism for the different expressions of gelatinases induced by all-trans retinoic acid in different cells. J Recept Signal Transduct Res 2012; 32:129-33. [PMID: 22475041 DOI: 10.3109/10799893.2012.672992] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Gelatinases include matrix metalloproteinase-2 (MMP-2) and matrix metalloproteinase-9 (MMP-9). The increased expressions of gelatinases are implicated in the pathogenesis of cell injury and cell death. All-trans retinoic acid (ATRA) is an import biological agent which can regulate the expressions of gelatinases and take part in cell injury and cell death. ATRA exerts its biological effect by the high-affinity binding to retinoic acid receptors (RARs). The RARs consist of three isoforms: RAR-α, RAR-β and RAR-γ. However, it is interesting that the effect of ATRA on the expressions of gelatinases is different in different cells. There is no report to explore the possible mechanism for it at present. In this context, we review the published reports and draw a hypothesis that: (i) The distributions of RARs isoforms are different in different cells; (ii) ATRA activates the different RARs isoforms in different cells; (iii) The roles of different RARs isoforms for regulating the expression of MMP-2 or MMP-9 are different in different cells. So, ATRA takes a different function on the expressions of MMP-2 and MMP-9 in different cells. Once the potential strategy can be successfully confirmed, it would be prone to comprehend why the ATRA regulates the different expressions of gelatinases in different cells.
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Affiliation(s)
- Tian-Biao Zhou
- Department of Pediatrics, The First Affiliated Hospital of GuangXi Medical University, Nan Ning, China.
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