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Mathur A, Meena A, Luqman S. Monoterpenoids: An upcoming class of therapeutic agents for modulating cancer metastasis. Phytother Res 2024; 38:939-969. [PMID: 38102850 DOI: 10.1002/ptr.8081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 10/28/2023] [Accepted: 11/14/2023] [Indexed: 12/17/2023]
Abstract
Monoterpenoids, a sub-class of terpenoids, are secondary metabolites frequently extracted from the essential oils of aromatic plants. Their antitumor properties including antiproliferative, apoptotic, antiangiogenic, and antimetastatic effects along with other biological activities have been the subject of extensive study due to their diverse characteristics. In recent years, numerous investigations have been conducted to understand its potential anticancer impacts, specifically focusing on antiproliferative and apoptotic mechanisms. Metastasis, a malignancy hallmark, can exert either protective or destructive influences on tumor cells. Despite this, the potential antimetastatic and antiangiogenic attributes of monoterpenoids need further exploration. This review focuses on specific monoterpenoids, examining their effects on metastasis and relevant signaling pathways. The monoterpenoids exhibit a high level of complexity as natural products that regulate metastatic proteins through various signaling pathways, including phosphoinositide 3-kinase/protein kinase B/mammalian target of rapamycin, mitogen-activated protein kinase/extracellular signal-regulated kinase/jun N-terminal kinase, nuclear factor kappa B, vascular endothelial growth factor, and epithelial mesenchymal transition process. Additionally, this review delves into the biosynthesis and classification of monoterpenoids, their potential antitumor impacts on cell lines, the plant sources of monoterpenoids, and the current status of limited clinical trials investigating their efficacy against cancer. Moreover, monoterpenoids depict promising potential in preventing cancer metastasis, however, inadequate clinical trials limit their drug usage. State-of-the-art techniques and technologies are being employed to overcome the challenges of utilizing monoterpenoids as an anticancer agent.
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Affiliation(s)
- Anurag Mathur
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Abha Meena
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Suaib Luqman
- Bioprospection and Product Development Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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Perillyl alcohol and its synthetic derivatives: the rising of a novel class of selective and potent antitumoral compounds. Med Chem Res 2022. [DOI: 10.1007/s00044-022-02870-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Uncu Ulu B, Yiğenoğlu TN, Şahin D, Başcı S, İskender D, Adaş Y, Atasever Akkaş E, Hacıbekiroğlu T, Kızıl Çakar M, Dal MS, Altuntaş F. Does Total Body Irradiation Have a Favorable Impact on Thrombocyte Engraftment as per Neutrophil Engraftment in Allogeneic Stem Cell Transplantation? Cureus 2021; 13:e19462. [PMID: 34912605 PMCID: PMC8665628 DOI: 10.7759/cureus.19462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/10/2021] [Indexed: 01/17/2023] Open
Abstract
Introduction: In this study, we aim to analyze the effect of total body irradiation (TBI) on neutrophil and thrombocyte engraftment durations in acute leukemia (AL) patients who achieved allogeneic hematopoietic stem cell transplantation (Allo-SCT) at our center. Methods: The data of 193 acute leukemia patients who were performed Allo-SCT from matched-related donors were analyzed retrospectively. Results: Thrombocyte engraftment duration was statistically shorter (12 days) in acute lymphoblastic leukemia (ALL) patients who received TBI-based conditioning when compared to ALL patients who received non-TBI-based conditioning (14 days; p=0.037). On the other hand, no statistically significant difference was observed between acute leukemia patients who received TBI or non-TBI-based conditioning regarding neutrophil engraftment duration. Conclusion: We found that TBI had a favorable impact on thrombocyte engraftment (TE) rather than neutrophil engraftment (NE) in Allo-SCT in patients with acute leukemia. TBI might have an impact on the engraftment of thrombocytes as per than neutrophils may be attributed to immune mechanisms and microenvironment in the patient’s bone marrow (BM).
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Affiliation(s)
- Bahar Uncu Ulu
- Department of Hematology and Bone Marrow Transplantation, Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, TUR
| | - Tuğçe Nur Yiğenoğlu
- Department of Hematology and Bone Marrow Transplantation, Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, TUR
| | - Derya Şahin
- Department of Hematology and Bone Marrow Transplantation, Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, TUR
| | - Semih Başcı
- Department of Hematology and Bone Marrow Transplantation, Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, TUR
| | - Dicle İskender
- Department of Hematology and Bone Marrow Transplantation, Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, TUR
| | - Yasemin Adaş
- Radiation Oncology, Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, TUR
| | - Ebru Atasever Akkaş
- Radiation Oncology, Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, TUR
| | | | - Merih Kızıl Çakar
- Department of Hematology and Bone Marrow Transplantation, Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, TUR
| | - Mehmet Sinan Dal
- Department of Hematology and Bone Marrow Transplantation, Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, TUR
| | - Fevzi Altuntaş
- Department of Hematology and Bone Marrow Transplantation, Dr. Abdurrahman Yurtaslan Ankara Oncology Training and Research Hospital, University of Health Sciences, Ankara, TUR.,Department of Hematology, Ankara Yıldırım Beyazıt University, School of Medicine, Ankara, TUR
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Ge X, Du Y, Chen J, Zhu N, Yao J, Zhang X, Wang N, Sun Y, Gao F, Hu W, Hou Y. Herbal NF-κB Inhibitors Sensitize Rituximab-Resistant B Lymphoma Cells to Complement-Mediated Cytolysis. Front Oncol 2021; 11:751904. [PMID: 34956875 PMCID: PMC8692258 DOI: 10.3389/fonc.2021.751904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 11/22/2021] [Indexed: 11/15/2022] Open
Abstract
Background Drug resistance remains a serious challenge to rituximab therapy in B-NHL (B cell non-Hodgkin’s lymphoma). CDC (complement-dependent cytotoxicity) has been proposed as a major antitumor mechanism of rituximab, and direct abrogation of CD59 function partially restores rituximab sensitivity with high efficacy. However, universal blockade of CD59 may have deleterious effects on normal cells. Sp1 regulates constitutive CD59 expression, whereas NF-κB and CREB regulate inducible CD59 expression. Methods Immunohistochemistry (IHC) assay was used to detect the expression levels of CD59 and other related molecules. Quantitative Real-time PCR (RT-PCR) analysis was used to explore the levels of transcripts in the original and resistant cells. We chose LY8 cells to test the effects of NF-κB and CBP/p300 inhibition on CD59 expression using flow cytometry (FACS). Immunoblotting analysis was employed to detect the effects of curcumin and POH. The in vitro and in vivo experiments were used to evaluate the toxicity and combined inhibitory effect on tumor cells of curcumin and POH. Results We demonstrated that herbal (curcumin and perillyl alcohol) blockade of NF-κB specifically suppresses the expression of inducible CD59 but not CD20, thus sensitizing resistant cells to rituximab-mediated CDC. Moreover, activation of NF-κB and CREB is highly correlated with CD59 expression in B-NHL tissues. Conclusions Our findings suggest the potential of CD59 expression as a predictor of therapeutic efficacy of NF-κB inhibitors in clinical application as well as the rationality of a NF-κB inhibitor-rituximab regimen in B-NHL therapy.
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Affiliation(s)
- Xiaowen Ge
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yiqun Du
- Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jianfeng Chen
- State Key Laboratory of Oncology, National Sun Yat-sen University, Guangzhou, China
| | - Na Zhu
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jiamei Yao
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xin Zhang
- Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Na Wang
- Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yujing Sun
- Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Feng Gao
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Weiguo Hu
- Fudan University Shanghai Cancer Center and Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, China
- Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
- *Correspondence: Yingyong Hou, ; Weiguo Hu,
| | - Yingyong Hou
- Department of Pathology, Zhongshan Hospital, Fudan University, Shanghai, China
- *Correspondence: Yingyong Hou, ; Weiguo Hu,
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Sylvestre M, Longtin APA, Legault J. Volatile Leaf Constituents and Anticancer Activity of Bursera Simaruba (L.) Sarg. Essential Oil. Nat Prod Commun 2019. [DOI: 10.1177/1934578x0700201217] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Leaf volatile components of Bursera simaruba (L.) Sarg., a native tree from tropical America used in traditional medicine, were extracted by hydrodistillation. The essential oil was analyzed by GC-MS. We have identified 38 compounds in this oil, of which limonene (46.7%), β-caryophyllene (14.7%), α-humulene (13.2%) and germacrene D (7.6%) are the major components. The anticancer activity of the essential oil was tested on human lung carcinoma cell line A-549 and human colon adenocarcinoma cell line, DLD-1. B. simaruba leaf essential oil was found to be active against both tumor cell lines, with a GI50 of 42 ± 2 μg/mL for A-549 and 48 ± 2 μg/mL for DLD-1. The evaluation of the cytotoxic properties of the major constituents of the oil indicates that α-humulene is possibly responsible for this activity.
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Affiliation(s)
- Muriel Sylvestre
- Laboratoire d'analyse et de séparation des essences végétales, Département des Sciences fondamentales, Université du Québec à Chicoutimi, Chicoutimi, Québec, Canada, G7H 2B1
| | - André Pichette Angélique Longtin
- Laboratoire d'analyse et de séparation des essences végétales, Département des Sciences fondamentales, Université du Québec à Chicoutimi, Chicoutimi, Québec, Canada, G7H 2B1
| | - Jean Legault
- Laboratoire d'analyse et de séparation des essences végétales, Département des Sciences fondamentales, Université du Québec à Chicoutimi, Chicoutimi, Québec, Canada, G7H 2B1
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Sylvestre M, Pichette A, Longtin A, De Ker Martin MAC, Bercion SR, Legault J. Chemical Composition of Leaf Essential Oil of Hedyosmum arborescens and Evaluation of Its Anticancer Activity. Nat Prod Commun 2019. [DOI: 10.1177/1934578x0700201216] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The essential oil of Hedyosmum arborescens Sw. (Chloranthaceae), a native plant of the Caribbean archipelago, was extracted by hydrodistillation. The chemical composition of the volatile fraction was determined by GC and GC-MS analyses and 50 components were identified. The major components are α-phellandrene (11.4%), bicyclogermacrene (10.6%) and sabinene (9.7%). The anticancer activities of these extracts were assessed against human lung carcinoma cell line A-549 and human colon adenocarcinoma cell line DLD-1. The leaf essential oil of H. arborescens was found to be moderately active against both cancer cell lines with GI50 values of 158 ± 7 μg/mL for A-549 and 178 ± 9 μg/mL for DLD-1.
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Affiliation(s)
- Muriel Sylvestre
- Laboratoire d'analyse et de séparation des essences végétales, Département des Sciences fondamentales, Université du Québec à Chicoutimi, Chicoutimi, Québec, Canada, G7H 2B1
| | - André Pichette
- Laboratoire d'analyse et de séparation des essences végétales, Département des Sciences fondamentales, Université du Québec à Chicoutimi, Chicoutimi, Québec, Canada, G7H 2B1
| | - Angélique Longtin
- Laboratoire d'analyse et de séparation des essences végétales, Département des Sciences fondamentales, Université du Québec à Chicoutimi, Chicoutimi, Québec, Canada, G7H 2B1
| | - Marie-Anna Couppé De Ker Martin
- Laboratoire de chimie des substances naturelles, Département de Chimie, Université des Antilles et de la Guyane, B.P. 250 - 97157, Pointe-à-Pître cedex, Guadeloupe, France
| | - Sylvie Rodin Bercion
- Laboratoire de chimie des substances naturelles, Département de Chimie, Université des Antilles et de la Guyane, B.P. 250 - 97157, Pointe-à-Pître cedex, Guadeloupe, France
| | - Jean Legault
- Laboratoire d'analyse et de séparation des essences végétales, Département des Sciences fondamentales, Université du Québec à Chicoutimi, Chicoutimi, Québec, Canada, G7H 2B1
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Xiao S, Shterev ID, Zhang W, Young L, Shieh JH, Moore M, van den Brink M, Sempowski GD, Manley NR. Sublethal Total Body Irradiation Causes Long-Term Deficits in Thymus Function by Reducing Lymphoid Progenitors. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2017; 199:2701-2712. [PMID: 28931604 PMCID: PMC5659725 DOI: 10.4049/jimmunol.1600934] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Accepted: 08/08/2017] [Indexed: 12/17/2022]
Abstract
Total body irradiation (TBI) damages hematopoietic cells in the bone marrow and thymus; however, the long-term effects of irradiation with aging remain unclear. In this study, we found that the impact of radiation on thymopoiesis in mice varied by sex and dose but, overall, thymopoiesis remained suppressed for ≥12 mo after a single exposure. Male and female mice showed a long-term dose-dependent reduction in thymic cKit+ lymphoid progenitors that was maintained throughout life. Damage to hematopoietic stem cells (HSCs) in the bone marrow was dose dependent, with as little as 0.5 Gy causing a significant long-term reduction. In addition, the potential for T lineage commitment was radiation sensitive with aging. Overall, the impact of irradiation on the hematopoietic lineage was more severe in females. In contrast, the rate of decline in thymic epithelial cell numbers with age was radiation-sensitive only in males, and other characteristics including Ccl25 transcription were unaffected. Taken together, these data suggest that long-term suppression of thymopoiesis after sublethal irradiation was primarily due to fewer progenitors in the BM combined with reduced potential for T lineage commitment. A single irradiation dose also caused synchronization of thymopoiesis, with a periodic thymocyte differentiation profile persisting for at least 12 mo postirradiation. This study suggests that the number and capability of HSCs for T cell production can be dramatically and permanently damaged after a single relatively low TBI dose, accelerating aging-associated thymic involution. Our findings may impact evaluation and therapeutic intervention of human TBI events.
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Affiliation(s)
- Shiyun Xiao
- Department of Genetics, Paul D. Coverdell Center, University of Georgia, Athens, GA 30602;
| | - Ivo D Shterev
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710
| | - Wen Zhang
- Department of Genetics, Paul D. Coverdell Center, University of Georgia, Athens, GA 30602
| | - Lauren Young
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065; and
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065
| | - Jae-Hung Shieh
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065; and
| | - Malcolm Moore
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065; and
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065
| | - Marcel van den Brink
- Immunology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065; and
- Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, NY 10065
| | - Gregory D Sempowski
- Duke Human Vaccine Institute, Duke University School of Medicine, Durham, NC 27710
| | - Nancy R Manley
- Department of Genetics, Paul D. Coverdell Center, University of Georgia, Athens, GA 30602;
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Ma Y, Bian J, Zhang F. Inhibition of perillyl alcohol on cell invasion and migration depends on the Notch signaling pathway in hepatoma cells. Mol Cell Biochem 2015; 411:307-15. [PMID: 26475687 DOI: 10.1007/s11010-015-2593-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 10/08/2015] [Indexed: 12/12/2022]
Abstract
Cell metastasis, especially the process of invasion and migration, is considered as the main cause for the high mortality rate of hepatocellular carcinoma (HCC), which has become the sixth most common cancer worldwide and the third leading cause of cancer death. In this present study, we aimed to exploit the effects of perillyl alcohol on cell invasion and migration and the underlying molecular mechanisms in HCC. According to the transwell assays, cell invasiveness and migratory capacity were markedly higher in hepatoma cells (HepG2, SMMC-7721 and MHCC97H) than those in normal liver cells (HL-7702), and then significantly suppressed by perillyl alcohol treatment (P < 0.05). Meanwhile, the mRNA levels of Notch signaling pathway downstream target genes, HES1, HES5, and HEY1, were notably higher in hepatoma cells detected with real-time reverse transcription polymerase chain reaction (RT-PCR) (P < 0.05). After treated with perillyl alcohol, these mRNA levels were significantly decreased in hepatoma cells (P < 0.05). In addition, compared with the normal liver cells, the protein expression levels of Notch1 intracellular domain (N1ICD) and Snail were significantly increased, while E-cadherin protein expression was significantly decreased in hepatoma cells (P < 0.05). However, perillyl alcohol treatment significantly decreased N1ICD and Snail protein expressions and increased E-cadherin protein expression in hepatoma cells (P < 0.05). In conclusion, perillyl alcohol might play an important role in the process of hepatoma cell invasion and migration via decreasing the activity of Notch signaling pathway and increasing E-cadherin expression regulated by Snail.
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Affiliation(s)
- Yong Ma
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Jianmin Bian
- Department of General Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, 210006, China
| | - Feng Zhang
- Department of General Surgery, The First Affiliated Hospital, Nanjing Medical University, No. 300, Guangzhou Road, Nanjing, 210029, China.
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KOYAMA MAKOTO, SOWA YOSHIHIRO, HITOMI TOSHIAKI, IIZUMI YOSUKE, WATANABE MOTOKI, TANIGUCHI TOMOYUKI, ICHIKAWA MASAMI, SAKAI TOSHIYUKI. Perillyl alcohol causes G1 arrest through p15INK4b and p21WAF1/Cip1 induction. Oncol Rep 2012; 29:779-84. [DOI: 10.3892/or.2012.2167] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2012] [Accepted: 11/05/2012] [Indexed: 11/05/2022] Open
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Annadurai RS, Jayakumar V, Mugasimangalam RC, Katta MAVSK, Anand S, Gopinathan S, Sarma SP, Fernandes SJ, Mullapudi N, Murugesan S, Rao SN. Next generation sequencing and de novo transcriptome analysis of Costus pictus D. Don, a non-model plant with potent anti-diabetic properties. BMC Genomics 2012; 13:663. [PMID: 23176672 PMCID: PMC3533581 DOI: 10.1186/1471-2164-13-663] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Accepted: 11/08/2012] [Indexed: 12/20/2022] Open
Abstract
Background Phyto-remedies for diabetic control are popular among patients with Type II Diabetes mellitus (DM), in addition to other diabetic control measures. A number of plant species are known to possess diabetic control properties. Costus pictus D. Don is popularly known as “Insulin Plant” in Southern India whose leaves have been reported to increase insulin pools in blood plasma. Next Generation Sequencing is employed as a powerful tool for identifying molecular signatures in the transcriptome related to physiological functions of plant tissues. We sequenced the leaf transcriptome of C. pictus using Illumina reversible dye terminator sequencing technology and used combination of bioinformatics tools for identifying transcripts related to anti-diabetic properties of C. pictus. Results A total of 55,006 transcripts were identified, of which 69.15% transcripts could be annotated. We identified transcripts related to pathways of bixin biosynthesis and geraniol and geranial biosynthesis as major transcripts from the class of isoprenoid secondary metabolites and validated the presence of putative norbixin methyltransferase, a precursor of Bixin. The transcripts encoding these terpenoids are known to be Peroxisome Proliferator-Activated Receptor (PPAR) agonists and anti-glycation agents. Sequential extraction and High Performance Liquid Chromatography (HPLC) confirmed the presence of bixin in C. pictus methanolic extracts. Another significant transcript identified in relation to anti-diabetic, anti-obesity and immuno-modulation is of Abscisic Acid biosynthetic pathway. We also report many other transcripts for the biosynthesis of antitumor, anti-oxidant and antimicrobial metabolites of C. pictus leaves. Conclusion Solid molecular signatures (transcripts related to bixin, abscisic acid, and geranial and geraniol biosynthesis) for the anti-diabetic properties of C. pictus leaves and vital clues related to the other phytochemical functions like antitumor, anti-oxidant, immuno-modulatory, anti-microbial and anti-malarial properties through the secondary metabolite pathway annotations are reported. The data provided will be of immense help to researchers working in the treatment of DM using herbal therapies.
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Affiliation(s)
- Ramasamy S Annadurai
- MTP Biology, ITC R&D Centre, Peenya Industrial Area, Bangalore, Karnataka, India
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Glutathione-S-transferase enhances proliferation-migration and protects against shikonin-induced cell death in breast cancer cells. Kaohsiung J Med Sci 2011; 27:477-84. [PMID: 22005156 DOI: 10.1016/j.kjms.2011.06.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2010] [Accepted: 04/11/2011] [Indexed: 02/06/2023] Open
Abstract
Glutathione-S-transferase (GST) is a cytoplasmic protein responsible for detoxification, but the effect of the enzyme on cell biological events, including proliferation and migration, has never been reported. Thus, we evaluated the detoxification effect of in vitro-applied GST on cancer cell proliferation and migration. Assays for proliferation and migration of human breast cancer cells in the presence of GST were carried out. Binding of GST on the surface of the cancer cells was studied by flow cytometry. Detoxification through GST pathway was studied in the presence of shikonin. The effective dosage of GST in enhancement of cell proliferation was 10-50 nM, and the cell migration could be significantly enhanced after 6 hours in the presence of 2-50 nM GST. Therefore, overall cell proliferation and migration could be enhanced in the presence of 10nM or greater concentration of GST, and 15 μM shikonin-induced toxification of the cancer cells could be neutralized by 1.0 μM GST. Flow cytometry showed that GST directly bound to the surface of the cancer cells, and this was confirmed by fluorescence confocal microscopic observation. It is concluded that human class π-GST enhances proliferation and migration of human breast cancer cells by means of direct binding to the cell surface and maintaining cell viability by detoxification.
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Chatelain K, Phippen S, McCabe J, Teeters CA, O'Malley S, Kingsley K. Cranberry and grape seed extracts inhibit the proliferative phenotype of oral squamous cell carcinomas. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2010; 2011:467691. [PMID: 18955355 PMCID: PMC3138501 DOI: 10.1093/ecam/nen047] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2008] [Accepted: 06/02/2008] [Indexed: 12/15/2022]
Abstract
Proanthocyanidins, compounds highly concentrated in dietary fruits, such as cranberries and grapes, demonstrate significant cancer prevention potential against many types of cancer. The objective of this study was to evaluate cranberry and grape seed extracts to quantitate and compare their anti-proliferative effects on the most common type of oral cancer, oral squamous cell carcinoma. Using two well-characterized oral squamous cell carcinoma cell lines, CAL27 and SCC25, assays were performed to evaluate the effects of cranberry and grape seed extract on phenotypic behaviors of these oral cancers. The proliferation of both oral cancer cell lines was significantly inhibited by the administration of cranberry and grape seed extracts, in a dose-dependent manner. In addition, key regulators of apoptosis, caspase-2 and caspase-8, were concomitantly up-regulated by these treatments. However, cranberry and grape seed extracts elicited differential effects on cell adhesion, cell morphology, and cell cycle regulatory pathways. This study represents one of the first comparative investigations of cranberry and grape seed extracts and their anti-proliferative effects on oral cancers. Previous findings using purified proanthocyanidin from grape seed extract demonstrated more prominent growth inhibition, as well as apoptosis-inducing, properties on CAL27 cells. These observations provide evidence that cranberry and grape seed extracts not only inhibit oral cancer proliferation but also that the mechanism of this inhibition may function by triggering key apoptotic regulators in these cell lines. This information will be of benefit to researchers interested in elucidating which dietary components are central to mechanisms involved in the mediation of oral carcinogenesis and progression.
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Affiliation(s)
- Kourt Chatelain
- Department of Biomedical Sciences, School of Dental Medicine, University of Nevada, Las Vegas, USA
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Klees RF, De Marco PC, Salasznyk RM, Ahuja D, Hogg M, Antoniotti S, Kamath L, Dordick JS, Plopper GE. Apocynin derivatives interrupt intracellular signaling resulting in decreased migration in breast cancer cells. J Biomed Biotechnol 2010; 2006:87246. [PMID: 16883056 PMCID: PMC1460968 DOI: 10.1155/jbb/2006/87246] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Cancer cells are defined by their ability to divide uncontrollably
and metastasize to secondary sites in the body. Consequently,
tumor cell migration represents a promising target for anticancer
drug development. Using our high-throughput cell migration assay,
we have screened several classes of compounds for noncytotoxic
tumor cell migration inhibiting activity. One such compound,
apocynin (4-acetovanillone), is oxidized by peroxidases to yield a
variety of oligophenolic and quinone-type compounds that are
recognized inhibitors of NADPH oxidase and may be inhibitors of
the small G protein Rac1 that controls cell migration. We report
here that while apocynin itself is not effective, apocynin
derivatives inhibit migration of the breast cancer cell line
MDA-MB-435 at subtoxic concentrations; the migration of
nonmalignant MCF10A breast cells is unaffected. These compounds
also cause a significant rearrangement of the actin cytoskeleton,
cell rounding, and decreased levels of active Rac1 and its related
G protein Cdc42. These results may suggest a promising new route
to the development of novel anticancer therapeutics.
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Affiliation(s)
- Robert F. Klees
- Department of Biology, Rensselaer Polytechnic Institute,
Troy, NY 12180, USA
| | - Paul C. De Marco
- Department of Biology, Rensselaer Polytechnic Institute,
Troy, NY 12180, USA
| | - Roman M. Salasznyk
- Department of Biology, Rensselaer Polytechnic Institute,
Troy, NY 12180, USA
| | - Disha Ahuja
- Department of Chemical and Biological Engineering, Rensselaer
Polytechnic Institute, Troy, NY 12180, USA
| | - Michael Hogg
- Department of Chemical and Biological Engineering, Rensselaer
Polytechnic Institute, Troy, NY 12180, USA
| | - Sylvain Antoniotti
- Department of Chemical and Biological Engineering, Rensselaer
Polytechnic Institute, Troy, NY 12180, USA
| | - Lakshmi Kamath
- Life Sciences Division, Millipore Corporation,
Danvers, MA 01923, USA
| | - Jonathan S. Dordick
- Department of Chemical and Biological Engineering, Rensselaer
Polytechnic Institute, Troy, NY 12180, USA
| | - George E. Plopper
- Department of Biology, Rensselaer Polytechnic Institute,
Troy, NY 12180, USA
- *George E. Plopper:
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15
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Mernyák E, Kozma E, Hetényi A, Márk L, Schneider G, Wölfling J. Stereoselective synthesis of spiro and condensed pyrazolines of steroidal alpha,beta-unsaturated ketones and nitrilimines by 1,3-dipolar cycloaddition. Steroids 2009; 74:520-5. [PMID: 19428440 DOI: 10.1016/j.steroids.2009.02.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2008] [Revised: 01/30/2009] [Accepted: 02/02/2009] [Indexed: 10/21/2022]
Abstract
Effective syntheses of endo- and exocyclic alpha,beta-unsaturated ketones as CC dipolarophiles were carried out in the 13alpha-estrone series. The 1,3-dipolar cycloadditions of 15,16alpha,beta-unsaturated ketones of 13alpha-estrone 3-methyl and 3-benzyl ether with nitrilimines stereoselectively furnished two regioisomers of new condensed pyrazolines in a ratio of 2:1. The main product was the isomer obtained by the attack of the N-terminus of the 1,3-dipole on the carbon atom beta to the carbonyl group of the dipolarophile. The nitrilimine cycloadditions to the 16-methylene-17-ketones of 13alpha-estrone 3-methyl and 3-benzyl ether stereo- and regioselectively furnished spiropyrazolines. The attack of the N-terminus of the dipole occurred on the alpha-carbon of the alpha,beta-unsaturated ketones. The reactions were performed under both homogeneous and heterogeneous conditions. Silver acetate as a base proved more effective than its triethylamine counterpart. Changes in regio- and stereoselectivities were not observed on variation of the conditions of the cycloaddition reactions. The structures of the new products were determined by NMR (one- and two-dimensional) and MALDI TOF MS techniques, with C(70) fullerenes as matrix in the latter case.
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Affiliation(s)
- Erzsébet Mernyák
- Department of Organic Chemistry, University of Szeged, Dóm tér 8, H-6720 Szeged, Hungary.
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16
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Kim HA, Lee RA, Moon BI, Choe KJ. Ellagic Acid Shows Different Anti-proliferative Effects Between the MDA-MB-231 and MCF-7 Human Breast Cancer Cell Lines. J Breast Cancer 2009. [DOI: 10.4048/jbc.2009.12.2.85] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- Hyun-Ah Kim
- Department of Surgery, Korea Cancer Center Hospital, Korea Institute of Radiological & Medical Sciences, Seoul, Korea
| | - Ryung-Ah Lee
- Department of Surgery, Ewha Womans University School of Medicine, Ewha Medical Research Institute, Seoul, Korea
| | - Byung-In Moon
- Department of Surgery, Ewha Womans University School of Medicine, Ewha Medical Research Institute, Seoul, Korea
| | - Kuk-Jin Choe
- Department of Surgery, Ewha Womans University School of Medicine, Ewha Medical Research Institute, Seoul, Korea
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17
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Yin YL, Chen HL, Kuo HM, He SP. NK3 and NK4 of HGF enhance filamin production via STAT pathway, but not NK1 and NK2 in human breast cancer cells. Acta Pharmacol Sin 2008; 29:728-35. [PMID: 18501120 DOI: 10.1111/j.1745-7254.2008.00799.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
AIM The purpose of this study was to reveal the effects of hepatocyte growth factor (HGF) variants on human breast cancer cells and the differential signaling pathways of the variants in controlling cell proliferation and invasion. METHODS Four HGF variants (NK1, NK2, NK3, and NK4) were created by gene engineering, and the variant DNA fragments were cloned into pGEM-T for DNA sequencing and then transferred to a pTrcHis-A plasmid for expression. Recombinant proteins were purified from Escherichia coli, and a series of assays, including cell proliferation and invasion were carried out. Phosphorylated components in the HGF-c-Met and STAT (signal transducers and activators of transcription) pathways were detected by immunoprecipitation-Western blots. RESULTS All the HGF variants inhibited the vigorous growth of the cancer cells differently and dose-dependently, but the effect of NK3 or NK4 was 7.5-fold higher than NK1 or NK2. In addition, the assays for the phosphorylation of the components in the HGF-c-Met pathway showed that NK3 and NK4 inhibited invasion via the STAT pathway, whereas NK1 and NK2 were via the HGF-c-Met pathway. CONCLUSION The engineered HGF variants inhibited the proliferation of human breast cancer cells via different signaling pathways, NK1 and NK2 via the HGF-c-Met pathways, and NK3 and NK4 via the STAT pathway, the latter being a possible key route for the inhibition of cell invasion. All of the HGF variants have the potential to become pharmaceutical drugs in the treatment of human cancer.
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Affiliation(s)
- Ya-ling Yin
- China Medical University School of Medicine, Taichung 40402, Taiwan, China
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18
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Reddout N, Christensen T, Bunnell A, Jensen D, Johnson D, O'Malley S, Kingsley K. High risk HPV types 18 and 16 are potent modulators of oral squamous cell carcinoma phenotypes in vitro. Infect Agent Cancer 2007; 2:21. [PMID: 18001474 PMCID: PMC2206007 DOI: 10.1186/1750-9378-2-21] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2006] [Accepted: 11/14/2007] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Human papillomavirus (HPV) has been confirmed as the primary etiological factor that transforms cervical epithelia into cancer. The presence of HPV in oral cancers suggests that HPV may play a similar role in transforming the oral epithelia. A high degree of variability in the prevalence of HPV in oral cancers has been found, however, raising questions regarding its role in the transformation and development of oral cancers. The goal of this study was to test our hypothesis that high-risk HPV strains HPV16 and HPV18 will alter the phenotype of transformed oral squamous cell carcinoma cell lines, CAL27, SCC-15 and SCC-25 in vitro. RESULTS CAL27 cells transfected with HPV18, HPV16, as well as HPV16/18 co-transfectants, demonstrated significant increases in proliferation, adhesion and cell spreading compared with non-transfected controls. These observed differences were correlated with a small level of increased cell survival. SCC-15 cells, however, displayed a differential response to HPV transfection, with only HPV18-transfectants demonstrated changes to proliferation. Interestingly, SCC-25 cells displayed a more complex response, with HPV16-induced increases in cell proliferation, viability and cell spreading, while HPV18- and 16/18-transfectants exhibited reduced adhesion and proliferation. CONCLUSION Determining the potential of specific high-risk HPV strains to alter phenotypic behaviors of already transformed oral carcinomas is a critical step in providing more accurate prognosis and treatment options for oral cancer patients. The identification of differential responses to specific HPV strains among oral cancers suggests a more significant, complex and multifactorial role of HPV, not only in transforming, but also in modulating, the phenotype and treatment responsiveness of precancerous and cancerous oral lesions. This study provides some of the first evidence to help identify the important molecular markers for pathways that could be used to determine the most effective and appropriate treatment plans for oral cancer patients with concomitant oral HPV infections.
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Affiliation(s)
- Nicole Reddout
- Department of Biomedical Sciences, School of Dental Medicine, University of Nevada, Las Vegas, USA
| | - Todd Christensen
- Department of Biomedical Sciences, School of Dental Medicine, University of Nevada, Las Vegas, USA
| | - Anthony Bunnell
- Department of Biomedical Sciences, School of Dental Medicine, University of Nevada, Las Vegas, USA
| | - Dayne Jensen
- Department of Biomedical Sciences, School of Dental Medicine, University of Nevada, Las Vegas, USA
| | - Devin Johnson
- Department of Biomedical Sciences, School of Dental Medicine, University of Nevada, Las Vegas, USA
| | - Susan O'Malley
- Department of Biomedical Sciences, School of Dental Medicine, University of Nevada, Las Vegas, USA
| | - Karl Kingsley
- Department of Biomedical Sciences, School of Dental Medicine, University of Nevada, Las Vegas, USA
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19
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Bailey HH, Attia S, Love RR, Fass T, Chappell R, Tutsch K, Harris L, Jumonville A, Hansen R, Shapiro GR, Stewart JA. Phase II trial of daily oral perillyl alcohol (NSC 641066) in treatment-refractory metastatic breast cancer. Cancer Chemother Pharmacol 2007; 62:149-57. [PMID: 17885756 DOI: 10.1007/s00280-007-0585-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2007] [Accepted: 08/30/2007] [Indexed: 10/22/2022]
Abstract
PURPOSE Perillyl alcohol (POH) is a naturally occurring lipid with preclinical activity against mammary carcinomas. We conducted a phase II multi-institutional study of oral POH administered four times daily in women with advanced treatment-refractory breast cancer. METHODS Eligible women were treated with POH four times daily at 1,200-1,500 mg m(-2) dose(-1) on a 28-day cycle. Patients tolerating 1,200 mg m(-2) day(-1) four times daily after one cycle were dose-escalated to 1,500 mg/m(2). The primary endpoint was 1-year freedom-from-progression (FFP) rate. Secondary endpoints were response rate, tolerability and correlative evaluations. RESULTS Twenty-nine cycles of POH were administered to 14 women. Three patients were dose-escalated to 1,500 mg/m(2). Grade 1 and grade 2 gastrointestinal effects and fatigue were predominant toxicities. Of seven patients receiving up to one cycle, three stopped therapy due to intolerance. Only two patients received more than two cycles, with disease stabilization of 3 and 8 months. Thirteen patients were evaluable for response. One-year FFP rate was zero. No objective responses were seen. The median time to progression was 35 days (95% CI, 29-123 days). Median overall survival was 389 days (95% CI, 202-776 days). Pharmacokinetic parameters were similar to previous investigations. The ability to correlate plasma TGF-beta1 levels with outcome was limited by lack of clinical benefit and inter- and intra-patient variability. CONCLUSIONS Enrollment was suspended short of planned accrual because of lack of response and poor tolerance to POH. This regimen does not appear to provide benefit in advanced treatment-refractory breast carcinoma.
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Affiliation(s)
- Howard H Bailey
- University of Wisconsin Paul P. Carbone Comprehensive Cancer Center, 600 Highland Avenue K4/6 CSC, Madison, WI 53792, USA.
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20
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Kingsley K, Johnson D, O'Malley S. Transfection of oral squamous cell carcinoma with human papillomavirus-16 induces proliferative and morphological changes in vitro. Cancer Cell Int 2006; 6:14. [PMID: 16716227 PMCID: PMC1550262 DOI: 10.1186/1475-2867-6-14] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2006] [Accepted: 05/22/2006] [Indexed: 11/16/2022] Open
Abstract
Background Human papillomavirus has been implicated in virtually all cervical cancers and is believed to be the primary etiological factor that transforms cervical epithelia. The presence of HPV in oral cancers suggests that HPV may play a similar role in transforming the oral epithelia. The prevalence of HPV in oral cancers is highly variable, however, presenting problematic issues regarding the etiology of oral cancers, which must be investigated more thoroughly. Past analyses of HPV in cancers of the oral cavity have largely been confined to retrospective studies of cancer patients. The purpose of this study was to examine the potential for HPV16 infection to alter the proliferative phenotype of oral squamous cell carcinoma in vitro. Results This study found that the oral squamous cell carcinoma cell line, CAL27, transfected with HPV16, exhibited significantly increased proliferation, compared with non-transfected CAL27. The increased proliferation was observed under low density conditions, even in the absence of serum. Moreover, these effects were specific to proliferation, adhesion, and morphology, while cell viability was not affected. Conclusion This study represents one of the first investigations of the effects of HPV16 infection on the proliferation, adhesion, and morphology of an oral squamous cell carcinoma cell line in vitro. The finding that HPV16 has the ability to measurably alter adhesion and proliferative potential is significant, indicating that HPV may have multiple influences on precancerous and cancerous lesions and should be explored as a risk factor and mediator of cancer phenotypes. These measurements and observations will be of benefit to researchers interested in elucidating the mechanisms of oral cancer transformation and the factors governing carcinogenesis and progression.
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Affiliation(s)
- Karl Kingsley
- Department of Biomedical Sciences, University of Nevada, Las Vegas – School of Dental Medicine, 1001 Shadow Lane B315, Las Vegas, Nevada, 89106, USA
| | - Devin Johnson
- Department of Biomedical Sciences, University of Nevada, Las Vegas – School of Dental Medicine, 1001 Shadow Lane B315, Las Vegas, Nevada, 89106, USA
| | - Susan O'Malley
- Department of Biomedical Sciences, University of Nevada, Las Vegas – School of Dental Medicine, 1001 Shadow Lane B315, Las Vegas, Nevada, 89106, USA
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21
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Lirdprapamongkol K, Sakurai H, Kawasaki N, Choo MK, Saitoh Y, Aozuka Y, Singhirunnusorn P, Ruchirawat S, Svasti J, Saiki I. Vanillin suppresses in vitro invasion and in vivo metastasis of mouse breast cancer cells. Eur J Pharm Sci 2005; 25:57-65. [PMID: 15854801 DOI: 10.1016/j.ejps.2005.01.015] [Citation(s) in RCA: 116] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2004] [Revised: 12/22/2004] [Accepted: 01/24/2005] [Indexed: 11/29/2022]
Abstract
Vanillin, a food flavoring agent, has been reported to show anti-mutagenic activity and to inhibit chemical carcinogenesis. In this study, we examined the effect of vanillin on the growth and metastasis of 4T1 mammary adenocarcinoma cells in BALB/c mice. Mice orally administered with vanillin showed significantly reduced numbers of lung metastasized colonies compared to controls. In vitro studies revealed that vanillin, at concentrations that were not cytotoxic, inhibited invasion and migration of cancer cells and inhibited enzymatic activity of MMP-9 secreted by the cancer cells. Vanillin also showed growth inhibitory effect towards cancer cells in vitro. However, vanillic acid, a major metabolic product of vanillin in human and rat, was not active in these in vitro activity assays. Our findings suggest that vanillin has anti-metastatic potential by decreasing invasiveness of cancer cells. Since vanillin is generally regarded as safe, it may be of value in the development of anti-metastatic drugs for cancer treatment.
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Affiliation(s)
- Kriengsak Lirdprapamongkol
- Division of Pathogenic Biochemistry, Institute of Natural Medicine, Toyama Medical and Pharmaceutical University, 2630 Sugitani, Toyama 930-0194, Japan
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22
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Kingsley K, Plopper GE. Platelet-derived growth factor modulates rat vascular smooth muscle cell responses on laminin-5 via mitogen-activated protein kinase-sensitive pathways. Cell Commun Signal 2005; 3:2. [PMID: 15683539 PMCID: PMC552332 DOI: 10.1186/1478-811x-3-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2004] [Accepted: 01/31/2005] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND: A treatment to remove vascular blockages, angioplasty, can cause damage to the vessel wall and a subsequent abnormal wound healing response, known as restenosis. Vascular smooth muscle cells (VSMC) lining the vessel wall respond to growth factors and other stimuli released by injured cells. However, the extracellular matrix (ECM) may differentially modulate VSMC responses to these growth factors, such as proliferation, migration and adhesion. Our previous reports of low-level expression of one ECM molecule, laminin-5, in normal and injured vessels suggest that laminin-5, in addition to growth factors, may mediate VSMC response following vascular injury. To elucidate VSMC response on laminin-5 we investigated-the role of platelet-derived growth factor (PDGF-BB) in activating the mitogen-activated protein kinase (MAPK) signaling cascade as a possible link between growth-factor initiated phenotypic changes in vitro and the ECM. RESULTS: Using a system of in vitro assays we assessed rat vascular smooth muscle cell (rVSMC) responses plated on laminin-5 to the addition of exogenous, soluble PDGF-BB. Our results indicate that although laminin-5 induces haptotactic migration of rVSMC, the addition of PDGF-BB significantly increases rVSMC migration on laminin-5, which is inhibited in a dose-dependent manner by the MAPK inhibitor, PD98059, and transforming growth factor (TGF-beta1). In addition, PDGF-BB greatly reduces rVSMC adhesion to laminin-5, an effect that is reversible by MAPK inhibition or the addition of TGF-beta1. In addition, this reduction in adhesion is less significant on another ECM substrate, fibronectin and is reversible using TGF-beta1 but not MAPK inhibition. PDGF-BB also strongly increased rVSMC proliferation on laminin-5, but had no effect on rVSMC plated on fibronectin. Finally, plating rVSMC on laminin-5 did not induce an increase in MAPK activation, while plating on fibronectin or the addition of soluble PDGF-BB did. CONCLUSION: These results suggest that rVSMC binding to laminin-5 activates integrin-dependent intracellular signaling cascades that are different from those of fibronectin or PDGF-BB, causing rVSMC to respond more acutely to the inhibition of MAPK. In contrast, our results suggest that fibronectin and PDGF-BB may activate parallel, reinforcing intracellular signaling cascades that converge in the activation of MAPK and are therefore less sensitive to MAPK inhibition. These results suggest a partial mechanism to explain the regulation of rVSMC behaviors, including migration, adhesion, and proliferation that may be responsible for the progression of restenosis.
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Affiliation(s)
- Karl Kingsley
- Department of Biomedical Sciences, University of Nevada, Las Vegas, School of Dental Medicine, 1001 Shadow Lane B-234, Las Vegas, Nevada, 89106-4124, USA
- (previous institutional affiliation) Department of Biological Sciences, University of Nevada, Las Vegas, 4505 Maryland Parkway, Box 454004, Las Vegas, Nevada, 89154-4004, USA
| | - George E Plopper
- Department of Biology, Rensselear Polytechnic Institute, 110 8Street, Troy, New York, 12180-3596, USA
- (previous institutional affiliation) Department of Biological Sciences, University of Nevada, Las Vegas, 4505 Maryland Parkway, Box 454004, Las Vegas, Nevada, 89154-4004, USA
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23
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Loutrari H, Hatziapostolou M, Skouridou V, Papadimitriou E, Roussos C, Kolisis FN, Papapetropoulos A. Perillyl alcohol is an angiogenesis inhibitor. J Pharmacol Exp Ther 2004; 311:568-75. [PMID: 15210838 DOI: 10.1124/jpet.104.070516] [Citation(s) in RCA: 51] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Aberrant angiogenesis is essential for the progression of solid tumors and hematological malignancies. Thus, antiangiogenic therapy is one of the most promising approaches to control cancer. In the present work, we examined the ability of perillyl alcohol (POH), a dietary monoterpene with well-established tumor chemopreventive and chemotherapeutic activity, to interfere with the process of angiogenesis. POH remarkably prevented new blood vessel growth in the in vivo chicken embryo chorioallantoic membrane assay and proved to be effective in inhibiting the morphogenic differentiation of cultured endothelial cells into capillary-like networks both in collagen gel and Matrigel models. In addition, POH reduced the cell number in a proliferation assay and induced apoptosis of endothelial cells as indicated by the POH-mediated increase of caspase-3 activity and DNA fragmentation. Consistent with the observed antisurvival effect, POH treatment resulted in a significant inhibition of Akt phosphorylation in endothelial cells. Finally, POH was able to differentially modulate the release of two important angiogenic regulators: vascular endothelial growth factor (VEGF) and angiopoietin 2 (Ang2). POH decreased the release of VEGF from cancer cells but stimulated the expression of Ang2 by endothelial cells, indicating that it might suppress neovascularization and induce vessel regression. Overall, these data underscore the antiangiogenic potential of POH and suggest that POH, in addition to its anticancer activity, may be an effective agent in the treatment of angiogenesis-dependent diseases.
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Affiliation(s)
- Heleni Loutrari
- Laboratory for Molecular Pharmacology, Department of Pharmacy, University of Patras, Patras, Greece 26504
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