1
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Fernando V, Zheng X, Sharma V, Sweef O, Choi ES, Furuta S. Reprogramming of breast tumor-associated macrophages with modulation of arginine metabolism. Life Sci Alliance 2024; 7:e202302339. [PMID: 39191486 DOI: 10.26508/lsa.202302339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 08/16/2024] [Accepted: 08/19/2024] [Indexed: 08/29/2024] Open
Abstract
HER2+ breast tumors have abundant immune-suppressive cells, including M2-type tumor-associated macrophages (TAMs). Although TAMs consist of the immune-stimulatory M1 type and immune-suppressive M2 type, the M1/M2-TAM ratio is reduced in immune-suppressive tumors, contributing to their immunotherapy refractoriness. M1- versus M2-TAM formation depends on differential arginine metabolism, where M1-TAMs convert arginine to nitric oxide (NO) and M2-TAMs convert arginine to polyamines (PAs). We hypothesize that such distinct arginine metabolism in M1- versus M2-TAMs is attributed to different availability of BH4 (NO synthase cofactor) and that its replenishment would reprogram M2-TAMs to M1-TAMs. Recently, we reported that sepiapterin (SEP), the endogenous BH4 precursor, elevates the expression of M1-TAM markers within HER2+ tumors. Here, we show that SEP restores BH4 levels in M2-like macrophages, which then redirects arginine metabolism to NO synthesis and converts M2 type to M1 type. The reprogrammed macrophages exhibit full-fledged capabilities of antigen presentation and induction of effector T cells to trigger immunogenic cell death of HER2+ cancer cells. This study substantiates the utility of SEP in the metabolic shift of the HER2+ breast tumor microenvironment as a novel immunotherapeutic strategy.
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Affiliation(s)
- Veani Fernando
- Department of Cell & Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, Toledo, OH, USA
- Division of Rheumatology, University of Colorado, Anschutz Medical Campus Barbara Davis Center, Aurora, CO, USA
| | - Xunzhen Zheng
- Department of Cell & Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, Toledo, OH, USA
| | - Vandana Sharma
- Department of Cell & Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, Toledo, OH, USA
- Department of Zoology and Physiology, University of Wyoming, Laramie, WY, USA
| | - Osama Sweef
- MetroHealth Medical Center, Case Western Reserve University School of Medicine, Case Comprehensive Cancer Center, Cleveland, OH, USA
- Department of Zoology, Faculty of Science, Tanta University, Tanta, Egypt
| | - Eun-Seok Choi
- MetroHealth Medical Center, Case Western Reserve University School of Medicine, Case Comprehensive Cancer Center, Cleveland, OH, USA
| | - Saori Furuta
- Department of Cell & Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, Toledo, OH, USA
- MetroHealth Medical Center, Case Western Reserve University School of Medicine, Case Comprehensive Cancer Center, Cleveland, OH, USA
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2
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Clark GC, Lai A, Agarwal A, Liu Z, Wang XY. Biopterin metabolism and nitric oxide recoupling in cancer. Front Oncol 2024; 13:1321326. [PMID: 38469569 PMCID: PMC10925643 DOI: 10.3389/fonc.2023.1321326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Accepted: 12/26/2023] [Indexed: 03/13/2024] Open
Abstract
Tetrahydrobiopterin is a cofactor necessary for the activity of several enzymes, the most studied of which is nitric oxide synthase. The role of this cofactor-enzyme relationship in vascular biology is well established. Recently, tetrahydrobiopterin metabolism has received increasing attention in the field of cancer immunology and immunotherapy due to its involvement in the cytotoxic T cell response. Past research has demonstrated that when the availability of BH4 is low, as it is in chronic inflammatory conditions and tumors, electron transfer in the active site of nitric oxide synthase becomes uncoupled from the oxidation of arginine. This results in the production of radical species that are capable of a direct attack on tetrahydrobiopterin, further depleting its local availability. This feedforward loop may act like a molecular switch, reinforcing low tetrahydrobiopterin levels leading to altered NO signaling, restrained immune effector activity, and perpetual vascular inflammation within the tumor microenvironment. In this review, we discuss the evidence for this underappreciated mechanism in different aspects of tumor progression and therapeutic responses. Furthermore, we discuss the preclinical evidence supporting a clinical role for tetrahydrobiopterin supplementation to enhance immunotherapy and radiotherapy for solid tumors and the potential safety concerns.
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Affiliation(s)
- Gene Chatman Clark
- Department of Biochemistry, Virginia Commonwealth University, Richmond, VA, United States
- School of Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | - Alan Lai
- School of Medicine, Virginia Commonwealth University, Richmond, VA, United States
| | | | - Zheng Liu
- Department of Human Molecular Genetics, Virginia Commonwealth University, Richmond, VA, United States
- Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, United States
| | - Xiang-Yang Wang
- Department of Human Molecular Genetics, Virginia Commonwealth University, Richmond, VA, United States
- Massey Cancer Center, Virginia Commonwealth University, Richmond, VA, United States
- Institute of Molecular Medicine, Virginia Commonwealth University, Richmond, VA, United States
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3
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Panneerselvan P, Vasanthakumar K, Muthuswamy K, Krishnan V, Subramaniam S. Insights on the functional dualism of nitric oxide in the hallmarks of cancer. Biochim Biophys Acta Rev Cancer 2023; 1878:189001. [PMID: 37858621 DOI: 10.1016/j.bbcan.2023.189001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 10/09/2023] [Accepted: 10/09/2023] [Indexed: 10/21/2023]
Abstract
Nitric oxide (NO), a gaseous radical, governs a variety of physiological and pathological processes, including cancer, pro-inflammatory signalling, and vasodilation. The family of nitric oxide synthases (NOS), which comprises the constitutive forms, nNOS and eNOS, and the inducible form, iNOS, produces NO enzymatically. Additionally, NO can be generated non-enzymatically from the nitrate-nitrite-NO pathway. The anti- and pro-oxidant properties of NO and its functional dualism in cancer is due to its highly reactive nature. Numerous malignancies have NOS expression, which interferes with the tumour microenvironment to modulate the tumour's growth in both favourable and unfavourable ways. NO regulates a number of mechanisms in the tumour microenvironment, including metabolism, cell cycle, DNA repair, angiogenesis, and apoptosis/necrosis, depending on its concentration and spatiotemporal profile. This review focuses on the bi-modal impact of nitric oxide on the alteration of a few cancer hallmarks.
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Affiliation(s)
- Prabha Panneerselvan
- Molecular Physiology Laboratory, Department of Biochemistry, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
| | - Keerthana Vasanthakumar
- Molecular Physiology Laboratory, Department of Biochemistry, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
| | - Karthi Muthuswamy
- Molecular Physiology Laboratory, Department of Biochemistry, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
| | - Vasanth Krishnan
- Molecular Biology Laboratory, Department of Botany, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
| | - Selvakumar Subramaniam
- Molecular Physiology Laboratory, Department of Biochemistry, Bharathiar University, Coimbatore, Tamil Nadu 641046, India.
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4
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Zhou Q, Xiang J, Qiu N, Wang Y, Piao Y, Shao S, Tang J, Zhou Z, Shen Y. Tumor Abnormality-Oriented Nanomedicine Design. Chem Rev 2023; 123:10920-10989. [PMID: 37713432 DOI: 10.1021/acs.chemrev.3c00062] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/17/2023]
Abstract
Anticancer nanomedicines have been proven effective in mitigating the side effects of chemotherapeutic drugs. However, challenges remain in augmenting their therapeutic efficacy. Nanomedicines responsive to the pathological abnormalities in the tumor microenvironment (TME) are expected to overcome the biological limitations of conventional nanomedicines, enhance the therapeutic efficacies, and further reduce the side effects. This Review aims to quantitate the various pathological abnormalities in the TME, which may serve as unique endogenous stimuli for the design of stimuli-responsive nanomedicines, and to provide a broad and objective perspective on the current understanding of stimuli-responsive nanomedicines for cancer treatment. We dissect the typical transport process and barriers of cancer drug delivery, highlight the key design principles of stimuli-responsive nanomedicines designed to tackle the series of barriers in the typical drug delivery process, and discuss the "all-into-one" and "one-for-all" strategies for integrating the needed properties for nanomedicines. Ultimately, we provide insight into the challenges and future perspectives toward the clinical translation of stimuli-responsive nanomedicines.
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Affiliation(s)
- Quan Zhou
- Zhejiang Key Laboratory of Smart Biomaterials and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Department of Cell Biology, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Jiajia Xiang
- Zhejiang Key Laboratory of Smart Biomaterials and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Department of Cell Biology, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Nasha Qiu
- Zhejiang Key Laboratory of Smart Biomaterials and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
| | - Yechun Wang
- Department of Cell Biology, Zhejiang University School of Medicine, Zhejiang University, Hangzhou 310058, China
| | - Ying Piao
- Zhejiang Key Laboratory of Smart Biomaterials and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
| | - Shiqun Shao
- Zhejiang Key Laboratory of Smart Biomaterials and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
| | - Jianbin Tang
- Zhejiang Key Laboratory of Smart Biomaterials and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
| | - Zhuxian Zhou
- Zhejiang Key Laboratory of Smart Biomaterials and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
| | - Youqing Shen
- Zhejiang Key Laboratory of Smart Biomaterials and Center for Bionanoengineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- Key Laboratory of Biomass Chemical Engineering of Ministry of Education, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310058, China
- State Key Laboratory of Chemical Engineering, Zhejiang University, Hangzhou 310058, China
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5
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Fernando V, Zheng X, Sharma V, Furuta S. Reprogramming of breast tumor-associated macrophages with modulation of arginine metabolism. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.22.554238. [PMID: 37662241 PMCID: PMC10473631 DOI: 10.1101/2023.08.22.554238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/05/2023]
Abstract
HER2+ breast tumors have abundant immune-suppressive cells, including M2-type tumor associated macrophages (TAMs). While TAMs consist of the immune-stimulatory M1-type and immune-suppressive M2-type, M1/M2-TAM ratio is reduced in immune-suppressive tumors, contributing to their immunotherapy refractoriness. M1 vs. M2-TAM formation depends on differential arginine metabolism, where M1-TAMs convert arginine to nitric oxide (NO) and M2-TAMs convert arginine to polyamines (PAs). We hypothesize that such distinct arginine metabolism in M1- vs M2-TAMs is attributed to different availability of BH4 (NO synthase cofactor) and that its replenishment would reprogram M2-TAMs to M1-TAMs. Recently, we reported that sepiapterin (SEP), the endogenous BH4 precursor, elevates the expression of M1-TAM markers within HER2+ tumors. Here, we show that SEP restores BH4 levels in M2-TAMs, which then redirects arginine metabolism to NO synthesis and converts M2-TAMs to M1-TAMs. The reprogrammed TAMs exhibit full-fledged capabilities of antigen presentation and induction of effector T cells to trigger immunogenic cell death of HER2+ cancer cells. This study substantiates the utility of SEP in metabolic shift of HER2+ breast tumor microenvironment as a novel immunotherapeutic strategy.
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Affiliation(s)
- Veani Fernando
- Department of Cell & Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Arlington Ave. Toledo, OH 43614, USA
- Division of Rheumatology, University of Colorado, Anschutz Medical Campus Barbara Davis Center, Mail Stop B115, 1775 Aurora Court, Aurora, Colorado 80045
| | - Xunzhen Zheng
- Department of Cell & Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Arlington Ave. Toledo, OH 43614, USA
| | - Vandana Sharma
- Department of Cell & Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Arlington Ave. Toledo, OH 43614, USA
| | - Saori Furuta
- Department of Cell & Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Arlington Ave. Toledo, OH 43614, USA
- MetroHealth Medical Center, Case Western Reserve University School of Medicine, Case Comprehensive Cancer Center, 2500 MetroHealth Drive, Cleveland, OH 44109
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6
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Alam A, Smith SC, Gobalakrishnan S, McGinn M, Yakovlev VA, Rabender CS. Uncoupled nitric oxide synthase activity promotes colorectal cancer progression. Front Oncol 2023; 13:1165326. [PMID: 36998441 PMCID: PMC10046306 DOI: 10.3389/fonc.2023.1165326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 02/24/2023] [Indexed: 03/16/2023] Open
Abstract
Increased levels of reactive oxygen/nitrogen species are one hallmark of chronic inflammation contributing to the activation of pro-inflammatory/proliferative pathways. In the cancers analyzed, the tetrahydrobiopterin:dihydrobiopterin ratio is lower than that of the corresponding normal tissue, leading to an uncoupled nitric oxide synthase activity and increased generation of reactive oxygen/nitrogen species. Previously, we demonstrated that prophylactic treatment with sepiapterin, a salvage pathway precursor of tetrahydrobiopterin, prevents dextran sodium sulfate-induced colitis in mice and associated azoxymethane-induced colorectal cancer. Herein, we report that increasing the tetrahydrobiopterin:dihydrobiopterin ratio and recoupling nitric oxide synthase with sepiapterin in the colon cancer cell lines, HCT116 and HT29, inhibit their proliferation and enhance cell death, in part, by Akt/GSK-3β-mediated downregulation of β-catenin. Therapeutic oral gavage with sepiapterin of mice bearing azoxymethane/dextran sodium sulfate-induced colorectal cancer decreased metabolic uptake of [18F]-fluorodeoxyglucose and enhanced apoptosis nine-fold in these tumors. Immunohistochemical analysis of both mouse and human tissues indicated downregulated expression of key enzymes in tetrahydrobiopterin biosynthesis in the colorectal cancer tumors. Human stage 1 colon tumors exhibited a significant decrease in the expression of quinoid dihydropteridine reductase, a key enzyme involved in recycling tetrahydrobiopterin suggesting a potential mechanism for the reduced tetrahydrobiopterin:dihydrobiopterin ratio in these tumors. In summary, sepiapterin treatment of colorectal cancer cells increases the tetrahydrobiopterin:dihydrobiopterin ratio, recouples nitric oxide synthase, and reduces tumor growth. We conclude that nitric oxide synthase coupling may provide a useful therapeutic target for treating patients with colorectal cancer.
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Affiliation(s)
- Asim Alam
- Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, United States
| | - Steven C. Smith
- Department of Pathology, Virginia Commonwealth University, Richmond, VA, United States
| | | | - Mina McGinn
- Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, United States
| | - Vasily A. Yakovlev
- Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, United States
| | - Christopher S. Rabender
- Department of Radiation Oncology, Virginia Commonwealth University, Richmond, VA, United States
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7
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Firdaus F, Kuchakulla M, Qureshi R, Dulce RA, Soni Y, Van Booven DJ, Shah K, Masterson T, Rosete OJ, Punnen S, Hare JM, Ramasamy R, Arora H. S-nitrosylation of CSF1 receptor increases the efficacy of CSF1R blockage against prostate cancer. Cell Death Dis 2022; 13:859. [PMID: 36209194 PMCID: PMC9547886 DOI: 10.1038/s41419-022-05289-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/16/2022] [Accepted: 09/22/2022] [Indexed: 11/23/2022]
Abstract
Sustained oxidative stress in castration-resistant prostate cancer (CRPC) cells potentiates the overall tumor microenvironment (TME). Targeting the TME using colony-stimulating factor 1 receptor (CSF1R) inhibition is a promising therapy for CRPC. However, the therapeutic response to sustained CSF1R inhibition (CSF1Ri) is limited as a monotherapy. We hypothesized that one of the underlying causes for the reduced efficacy of CSF1Ri and increased oxidation in CRPC is the upregulation and uncoupling of endothelial nitric oxide synthase (NOS3). Here we show that in high-grade PCa human specimens, NOS3 abundance positively correlates with CSF1-CSF1R signaling and remains uncoupled. The uncoupling diminishes NOS3 generation of sufficient nitric oxide (NO) required for S-nitrosylation of CSF1R at specific cysteine sites (Cys 224, Cys 278, and Cys 830). Exogenous S-nitrosothiol administration (with S-nitrosoglutathione (GSNO)) induces S-nitrosylation of CSF1R and rescues the excess oxidation in tumor regions, in turn suppressing the tumor-promoting cytokines which are ineffectively suppressed by CSF1R blockade. Together these results suggest that NO administration could act as an effective combinatorial partner with CSF1R blockade against CRPC. In this context, we further show that exogenous NO treatment with GSNOR successfully augments the anti-tumor ability of CSF1Ri to effectively reduce the overall tumor burden, decreases the intratumoral percentage of anti-inflammatory macrophages, myeloid-derived progenitor cells and increases the percentage of pro-inflammatory macrophages, cytotoxic T lymphocytes, and effector T cells, respectively. Together, these findings support the concept that the NO-CSF1Ri combination has the potential to act as a therapeutic agent that restores control over TME, which in turn could improve the outcomes of PCa patients.
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Affiliation(s)
- Fakiha Firdaus
- Department of Urology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Manish Kuchakulla
- Department of Urology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Rehana Qureshi
- John P Hussman Institute for Human Genomics, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Raul Ariel Dulce
- The Interdisciplinary Stem Cell Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Yash Soni
- Department of Urology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Derek J Van Booven
- John P Hussman Institute for Human Genomics, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Khushi Shah
- Department of Urology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Thomas Masterson
- Department of Urology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Omar Joel Rosete
- Department of Urology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Sanoj Punnen
- Department of Urology, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Joshua M Hare
- John P Hussman Institute for Human Genomics, Miller School of Medicine, University of Miami, Miami, FL, USA
- The Interdisciplinary Stem Cell Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
- Department of Medicine, Cardiology Division, Miller School of Medicine, University of Miami, Miami, FL, USA
- Department of Medicine, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Ranjith Ramasamy
- Department of Urology, Miller School of Medicine, University of Miami, Miami, FL, USA
- The Interdisciplinary Stem Cell Institute, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Himanshu Arora
- Department of Urology, Miller School of Medicine, University of Miami, Miami, FL, USA.
- John P Hussman Institute for Human Genomics, Miller School of Medicine, University of Miami, Miami, FL, USA.
- The Interdisciplinary Stem Cell Institute, Miller School of Medicine, University of Miami, Miami, FL, USA.
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8
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Soares JPM, Gonçalves DA, de Sousa RX, Mouro MG, Higa EMS, Sperandio LP, Vitoriano CM, Rosa EBS, dos Santos FO, de Queiroz GN, Yamaguchi RSS, Pereira G, Icimoto MY, de Melo FHM. Disruption of Redox Homeostasis by Alterations in Nitric Oxide Synthase Activity and Tetrahydrobiopterin along with Melanoma Progression. Int J Mol Sci 2022; 23:5979. [PMID: 35682659 PMCID: PMC9181279 DOI: 10.3390/ijms23115979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/16/2022] [Accepted: 05/20/2022] [Indexed: 12/12/2022] Open
Abstract
Cutaneous melanoma emerges from the malignant transformation of melanocytes and is the most aggressive type of skin cancer. The progression can occur in different stages: radial growth phase (RGP), vertical growth phase (VGP), and metastasis. Reactive oxygen species contribute to all phases of melanomagenesis through the modulation of oncogenic signaling pathways. Tetrahydrobiopterin (BH4) is an important cofactor for NOS coupling, and an uncoupled enzyme is a source of superoxide anion (O2•-) rather than nitric oxide (NO), altering the redox homeostasis and contributing to melanoma progression. In the present work, we showed that the BH4 amount varies between different cell lines corresponding to distinct stages of melanoma progression; however, they all presented higher O2•- levels and lower NO levels compared to melanocytes. Our results showed increased NOS expression in melanoma cells, contributing to NOS uncoupling. BH4 supplementation of RGP cells, and the DAHP treatment of metastatic melanoma cells reduced cell growth. Finally, Western blot analysis indicated that both treatments act on the PI3K/AKT and MAPK pathways of these melanoma cells in different ways. Disruption of cellular redox homeostasis by the altered BH4 concentration can be explored as a therapeutic strategy according to the stage of melanoma.
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Affiliation(s)
- Jaqueline Pereira Moura Soares
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo 01224-001, Brazil; (J.P.M.S.); (R.X.d.S.); (R.S.S.Y.)
| | - Diego Assis Gonçalves
- Department of Parasitology, Microbiology and Immunology, Juiz de Fora Federal University, Juiz de Fora 36036-900, Brazil;
- Micro-Imuno-Parasitology Department, Federal University of Sao Paulo, São Paulo 05508-090, Brazil
| | - Ricardo Xisto de Sousa
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo 01224-001, Brazil; (J.P.M.S.); (R.X.d.S.); (R.S.S.Y.)
| | - Margareth Gori Mouro
- Nefrology Discipline, Federal University of Sao Paulo, São Paulo 05508-090, Brazil; (M.G.M.); (E.M.S.H.)
| | - Elisa M. S. Higa
- Nefrology Discipline, Federal University of Sao Paulo, São Paulo 05508-090, Brazil; (M.G.M.); (E.M.S.H.)
| | - Letícia Paulino Sperandio
- Department of Pharmacology, Federal University of Sao Paulo, São Paulo 05508-090, Brazil; (L.P.S.); (G.P.)
| | - Carolina Moraes Vitoriano
- Department of Pharmacology, Institute of Biomedical Science, Universidade de São Paulo, São Paulo 05505-000, Brazil; (C.M.V.); (E.B.S.R.); (F.O.d.S.); (G.N.d.Q.)
| | - Elisa Bachir Santa Rosa
- Department of Pharmacology, Institute of Biomedical Science, Universidade de São Paulo, São Paulo 05505-000, Brazil; (C.M.V.); (E.B.S.R.); (F.O.d.S.); (G.N.d.Q.)
| | - Fernanda Oliveira dos Santos
- Department of Pharmacology, Institute of Biomedical Science, Universidade de São Paulo, São Paulo 05505-000, Brazil; (C.M.V.); (E.B.S.R.); (F.O.d.S.); (G.N.d.Q.)
| | - Gustavo Nery de Queiroz
- Department of Pharmacology, Institute of Biomedical Science, Universidade de São Paulo, São Paulo 05505-000, Brazil; (C.M.V.); (E.B.S.R.); (F.O.d.S.); (G.N.d.Q.)
| | - Roberta Sessa Stilhano Yamaguchi
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo 01224-001, Brazil; (J.P.M.S.); (R.X.d.S.); (R.S.S.Y.)
| | - Gustavo Pereira
- Department of Pharmacology, Federal University of Sao Paulo, São Paulo 05508-090, Brazil; (L.P.S.); (G.P.)
| | - Marcelo Yudi Icimoto
- Biophysics Department, Federal University of Sao Paulo, São Paulo 05508-090, Brazil;
| | - Fabiana Henriques Machado de Melo
- Department of Pharmacology, Institute of Biomedical Science, Universidade de São Paulo, São Paulo 05505-000, Brazil; (C.M.V.); (E.B.S.R.); (F.O.d.S.); (G.N.d.Q.)
- Institute of Medical Assistance to Public Servants of the State (IAMSPE), São Paulo 04039-000, Brazil
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9
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In vitro antitumor activity of nano-pulse stimulation on human anaplastic thyroid cancer cells through nitric oxide-dependent mechanisms. Bioelectrochemistry 2022; 145:108093. [DOI: 10.1016/j.bioelechem.2022.108093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 02/21/2022] [Accepted: 02/26/2022] [Indexed: 11/17/2022]
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10
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Filimonova M, Shitova A, Soldatova O, Shevchenko L, Saburova A, Podosinnikova T, Surinova V, Shegay P, Kaprin A, Ivanov S, Filimonov A. Combination of NOS- and PDK-Inhibitory Activity: Possible Way to Enhance Antitumor Effects. Int J Mol Sci 2022; 23:ijms23020730. [PMID: 35054914 PMCID: PMC8775993 DOI: 10.3390/ijms23020730] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/30/2021] [Accepted: 01/04/2022] [Indexed: 12/16/2022] Open
Abstract
We have previously demonstrated a high antitumor potential of NOS inhibitor T1023 (1-isobutanoyl-2-isopropylisothiourea hydrobromide): antitumor antiangiogenic activity in several animal tumor models and its ability to synergistically enhance the antitumor effects of bevacizumab, cyclophosphamide and γ-radiation. At the same time, rather rapid adaptation of experimental neoplasias to T1023 treatment was often observed. We attempted to enhance the antitumor activity of this NOS inhibitor by supplementing its molecular structure with a PDK-inhibiting fragment, dichloroacetate (DCA), which is capable of hypoxia-oriented toxic effects. We synthesized compound T1084 (1-isobutanoyl-2-isopropylisothiourea dichloroacetate). Its toxic properties, NOS-inhibiting and PDK-inhibiting activity in vivo, and antitumor activity on the mouse Ehrlich carcinoma model (SEC) were investigated in compare with T1023 and Na-DCA. We found that the change of the salt-forming acid from HBr to DCA does not increase the toxicity of 1-isobutanoyl-2-isopropylisothiourea salts, but significantly expands the biochemical and anti-tumor activity. New compound T1084 realizes in vivo NOS-inhibiting and PDK-inhibiting activity, quantitatively, at the level of the previous compounds, T1023 and Na-DCA. In two independent experiments on SEC model, a pronounced synergistic antitumor effect of T1084 was observed in compare with T1023 and Na-DCA at equimolar doses. There were no signs of SEC adaptation to T1084 treatment, while experimental neoplasia rapidly desensitized to the separate treatment of both T1023 and Na-DCA. The totality of the data obtained indicates that the combination of antiangiogenic and hypoxia-oriented toxic effects (in this case, within the molecular structure of the active substance) can increase the antitumor effect and suppress the development of hypoxic resistance of neoplasias. In general, the proposed approach can be used for the design of new anticancer agents.
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Affiliation(s)
- Marina Filimonova
- Personalized Medicine Centre, Almazov National Medical Research Centre, 197341 Saint Petersburg, Russia; (A.S.); (O.S.); (L.S.); (V.S.); (A.F.)
- A. Tsyb Medical Radiological Research Center—Branch of the National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (A.S.); (T.P.); (S.I.)
- Correspondence: ; Tel.: +7-903-8144013
| | - Anna Shitova
- Personalized Medicine Centre, Almazov National Medical Research Centre, 197341 Saint Petersburg, Russia; (A.S.); (O.S.); (L.S.); (V.S.); (A.F.)
- A. Tsyb Medical Radiological Research Center—Branch of the National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (A.S.); (T.P.); (S.I.)
| | - Olga Soldatova
- Personalized Medicine Centre, Almazov National Medical Research Centre, 197341 Saint Petersburg, Russia; (A.S.); (O.S.); (L.S.); (V.S.); (A.F.)
- A. Tsyb Medical Radiological Research Center—Branch of the National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (A.S.); (T.P.); (S.I.)
| | - Ljudmila Shevchenko
- Personalized Medicine Centre, Almazov National Medical Research Centre, 197341 Saint Petersburg, Russia; (A.S.); (O.S.); (L.S.); (V.S.); (A.F.)
- A. Tsyb Medical Radiological Research Center—Branch of the National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (A.S.); (T.P.); (S.I.)
| | - Alina Saburova
- A. Tsyb Medical Radiological Research Center—Branch of the National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (A.S.); (T.P.); (S.I.)
| | - Tatjana Podosinnikova
- A. Tsyb Medical Radiological Research Center—Branch of the National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (A.S.); (T.P.); (S.I.)
| | - Valentina Surinova
- Personalized Medicine Centre, Almazov National Medical Research Centre, 197341 Saint Petersburg, Russia; (A.S.); (O.S.); (L.S.); (V.S.); (A.F.)
- A. Tsyb Medical Radiological Research Center—Branch of the National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (A.S.); (T.P.); (S.I.)
| | - Petr Shegay
- National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (P.S.); (A.K.)
| | - Andrey Kaprin
- National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (P.S.); (A.K.)
| | - Sergey Ivanov
- A. Tsyb Medical Radiological Research Center—Branch of the National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (A.S.); (T.P.); (S.I.)
| | - Alexander Filimonov
- Personalized Medicine Centre, Almazov National Medical Research Centre, 197341 Saint Petersburg, Russia; (A.S.); (O.S.); (L.S.); (V.S.); (A.F.)
- A. Tsyb Medical Radiological Research Center—Branch of the National Medical Research Radiological Center of the Ministry of Health of the Russian Federation, 249036 Obninsk, Russia; (A.S.); (T.P.); (S.I.)
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11
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Yang S, Wang YL, Lyu Y, Jiang Y, Xiang J, Ji S, Kang S, Lyu X, He C, Li P, Liu B, Wu C. mGWAS identification of six novel single nucleotide polymorphism loci with strong correlation to gastric cancer. Cancer Metab 2021; 9:34. [PMID: 34565479 PMCID: PMC8474935 DOI: 10.1186/s40170-021-00269-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Accepted: 09/08/2021] [Indexed: 12/24/2022] Open
Abstract
BACKGROUND Metabolite genome-wide association studies (mGWAS) are key for understanding the genetic regulation of metabolites in complex diseases including cancers. Although mGWAS has revealed hundreds of metabolomics quantitative trait loci (mQTLs) in the general population, data relating to gastric cancer (GC) are still incomplete. METHODS We identified mQTLs associated with GC by analyzing genome-wide and metabolome-wide datasets generated from 233 GC patients and 233 healthy controls. RESULTS Twenty-two metabolites were statistically different between GC cases and healthy controls, and all of them were associated with the risk of gastric cancer. mGWAS analyses further revealed that 9 single nucleotide polymorphisms (SNPs) were significantly associated with 3 metabolites. Of these 9 SNPs, 6 loci were never reported in the previous mGWAS studies. Surprisingly, 4 of 9 SNPs were significantly enriched in genes involved in the T cell receptor signaling pathway. CONCLUSIONS Our study unveiled several novel GC metabolite and genetic biomarkers, which may be implicated in the prevention and diagnosis of gastric cancer.
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Affiliation(s)
- Shuangfeng Yang
- School of Public Health, Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China
| | - Yuan-Liang Wang
- School of Public Health, Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China
| | - Yanping Lyu
- School of Public Health, Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China
| | - Yu Jiang
- School of Public Health, Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China
| | - Jianjun Xiang
- School of Public Health, Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China
| | - Shumi Ji
- School of Public Health, Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China
| | - Shuling Kang
- School of Public Health, Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China
| | - Xuejie Lyu
- School of Public Health, Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China
| | - Chenzhou He
- School of Public Health, Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China
| | - Peixin Li
- School of Public Health, Fujian Medical University, Fuzhou, China
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China
| | - Baoying Liu
- School of Public Health, Fujian Medical University, Fuzhou, China.
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China.
| | - Chuancheng Wu
- School of Public Health, Fujian Medical University, Fuzhou, China.
- Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, China.
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12
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Feng Y, Feng Y, Gu L, Liu P, Cao J, Zhang S. The Critical Role of Tetrahydrobiopterin (BH4) Metabolism in Modulating Radiosensitivity: BH4/NOS Axis as an Angel or a Devil. Front Oncol 2021; 11:720632. [PMID: 34513700 PMCID: PMC8429800 DOI: 10.3389/fonc.2021.720632] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 08/12/2021] [Indexed: 12/16/2022] Open
Abstract
Ionizing radiation and radioactive materials have been widely used in industry, medicine, science and military. The efficacy of radiotherapy and adverse effects of normal tissues are closed related to cellular radiosensitivity. Molecular mechanisms underlying radiosensitivity are of significance to tumor cell radiosensitization as well as normal tissue radioprotection. 5,6,7,8-Tetrahydrobiopterin (BH4) is an essential cofactor for nitric oxide synthases (NOS) and aromatic amino acid hydroxylases, and its biosynthesis involves de novo biosynthesis and a pterin salvage pathway. In this review we overview the role of BH4 metabolism in modulating radiosensitivity. BH4 homeostasis determines the role of NOS, affecting the production of nitric oxide (NO) and oxygen free radicals. Under conditions of oxidative stress, such as UV-radiation and ionizing radiation, BH4 availability is diminished due to its oxidation, which subsequently leads to NOS uncoupling and generation of highly oxidative free radicals. On the other hand, BH4/NOS axis facilitates vascular normalization, a process by which antiangiogenic therapy corrects structural and functional flaws of tumor blood vessels, which enhances radiotherapy efficacy. Therefore, BH4/NOS axis may serve as an angel or a devil in regulating cellular radiosensitivity. Finally, we will address future perspectives, not only from the standpoint of perceived advances in treatment, but also from the potential mechanisms. These advances have demonstrated that it is possible to modulate cellular radiosensitivity through BH4 metabolism.
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Affiliation(s)
- Yang Feng
- School of Radiation Medicine and Protection, State Key Laboratory of Radiation Medicine, Soochow University, Suzhou, China
| | - Yahui Feng
- China National Nuclear Corporation 416 Hospital (Second Affiliated Hospital of Chengdu Medical College), Chengdu, China
| | - Liming Gu
- School of Radiation Medicine and Protection, State Key Laboratory of Radiation Medicine, Soochow University, Suzhou, China
| | - Pengfei Liu
- School of Radiation Medicine and Protection, State Key Laboratory of Radiation Medicine, Soochow University, Suzhou, China
| | - Jianping Cao
- School of Radiation Medicine and Protection, State Key Laboratory of Radiation Medicine, Soochow University, Suzhou, China
| | - Shuyu Zhang
- China National Nuclear Corporation 416 Hospital (Second Affiliated Hospital of Chengdu Medical College), Chengdu, China.,West China Second University Hospital, Sichuan University, Chengdu, China.,West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, China
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13
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de Melo FHM, Gonçalves DA, de Sousa RX, Icimoto MY, Fernandes DDC, Laurindo FRM, Jasiulionis MG. Metastatic Melanoma Progression Is Associated with Endothelial Nitric Oxide Synthase Uncoupling Induced by Loss of eNOS:BH4 Stoichiometry. Int J Mol Sci 2021; 22:9556. [PMID: 34502464 PMCID: PMC8430733 DOI: 10.3390/ijms22179556] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 08/13/2021] [Accepted: 08/17/2021] [Indexed: 12/26/2022] Open
Abstract
Melanoma is the most aggressive type of skin cancer due to its high capability of developing metastasis and acquiring chemoresistance. Altered redox homeostasis induced by increased reactive oxygen species is associated with melanomagenesis through modulation of redox signaling pathways. Dysfunctional endothelial nitric oxide synthase (eNOS) produces superoxide anion (O2-•) and contributes to the establishment of a pro-oxidant environment in melanoma. Although decreased tetrahydrobiopterin (BH4) bioavailability is associated with eNOS uncoupling in endothelial and human melanoma cells, in the present work we show that eNOS uncoupling in metastatic melanoma cells expressing the genes from de novo biopterin synthesis pathway Gch1, Pts, and Spr, and high BH4 concentration and BH4:BH2 ratio. Western blot analysis showed increased expression of Nos3, altering the stoichiometry balance between eNOS and BH4, contributing to NOS uncoupling. Both treatment with L-sepiapterin and eNOS downregulation induced increased nitric oxide (NO) and decreased O2• levels, triggering NOS coupling and reducing cell growth and resistance to anoikis and dacarbazine chemotherapy. Moreover, restoration of eNOS activity impaired tumor growth in vivo. Finally, NOS3 expression was found to be increased in human metastatic melanoma samples compared with the primary site. eNOS dysfunction may be an important mechanism supporting metastatic melanoma growth and hence a potential target for therapy.
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Affiliation(s)
- Fabiana Henriques Machado de Melo
- Pharmacology Department, Universidade Federal de São Paulo, São Paulo 05508-090, Brazil
- Department of Pharmacology, Institute of Biomedical Science, University of São Paulo, São Paulo 05508-060, Brazil
| | - Diego Assis Gonçalves
- Micro-Imuno-Parasitology Department, Universidade Federal de São Paulo, São Paulo 05508-090, Brazil;
- Parasitology Department, Microbiology and Immunology, Federal University of Juiz de Fora, Juiz de Fora 36036-900, Brazil
| | - Ricardo Xisto de Sousa
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences, São Paulo 01221-020, Brazil;
| | - Marcelo Yudi Icimoto
- Biophysics Department, Universidade Federal de São Paulo, São Paulo 05508-090, Brazil;
| | - Denise de Castro Fernandes
- Vascular Biology Laboratory, Heart Institute (InCor), University of São Paulo School of Medicine, São Paulo 05508-060, Brazil; (D.d.C.F.); (F.R.M.L.)
| | - Francisco R. M. Laurindo
- Vascular Biology Laboratory, Heart Institute (InCor), University of São Paulo School of Medicine, São Paulo 05508-060, Brazil; (D.d.C.F.); (F.R.M.L.)
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14
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Gonçalves DA, Jasiulionis MG, de Melo FHM. The Role of the BH4 Cofactor in Nitric Oxide Synthase Activity and Cancer Progression: Two Sides of the Same Coin. Int J Mol Sci 2021; 22:9546. [PMID: 34502450 PMCID: PMC8431490 DOI: 10.3390/ijms22179546] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 08/22/2021] [Accepted: 08/23/2021] [Indexed: 12/14/2022] Open
Abstract
Cancer development is associated with abnormal proliferation, genetic instability, cell death resistance, metabolic reprogramming, immunity evasion, and metastasis. These alterations are triggered by genetic and epigenetic alterations in genes that control cell homeostasis. Increased reactive oxygen and nitrogen species (ROS, RNS) induced by different enzymes and reactions with distinct molecules contribute to malignant transformation and tumor progression by modifying DNA, proteins, and lipids, altering their activities. Nitric oxide synthase plays a central role in oncogenic signaling modulation and redox landscape. Overexpression of the three NOS isoforms has been found in innumerous types of cancer contributing to tumor growth and development. Although the main function of NOS is the production of nitric oxide (NO), it can be a source of ROS in some pathological conditions. Decreased tetrahydrobiopterin (BH4) cofactor availability is involved in NOS dysfunction, leading to ROS production and reduced levels of NO. The regulation of NOSs by BH4 in cancer is controversial since BH4 has been reported as a pro-tumoral or an antitumoral molecule. Therefore, in this review, the role of BH4 in the control of NOS activity and its involvement in the capabilities acquired along tumor progression of different cancers was described.
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Affiliation(s)
- Diego Assis Gonçalves
- Micro-Imuno-Parasitology Department, Universidade Federal de São Paulo, São Paulo 04023-062, Brazil;
- Department of Parasitology, Microbiology and Immunology, Federal University of Juiz de Fora, Juiz de Fora 36036-900, Brazil
| | | | - Fabiana Henriques Machado de Melo
- Department of Pharmacology, Institute of Biomedical Science, University of São Paulo, São Paulo 05508-000, Brazil
- Institute of Medical Assistance to Public Servants of the State (IAMSPE), São Paulo 04039-000, Brazil
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15
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Rabender CS, Mezzaroma E, Yakovlev VA, Mauro AG, Bonaventura A, Abbate A, Mikkelsen RB. Mitigation of Radiation-Induced Lung and Heart Injuries in Mice by Oral Sepiapterin after Irradiation. Radiat Res 2021; 195:463-473. [PMID: 33822229 DOI: 10.1667/rade-20-00249.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 02/21/2021] [Indexed: 01/12/2023]
Abstract
After radiation exposure, endothelium-dependent vasorelaxation is impaired due to impaired nitric oxide production. Endothelial dysfunction is characterized by uncoupled endothelial nitric oxide synthase activity, oxidation of the reduced cofactor tetrahydrobiopterin to dihydrobiopterin as one well recognized mechanism. Oral treatment with sepiapterin, a tetrahydrobiopterin precursor, decreased infiltrating inflammatory cells and cytokine levels in mice with colitis. We therefore tested whether a synthetic sepiapterin, PTC923, might mitigate radiation-induced cardiac and pulmonary injuries. C57L/J wild-type 6-8-week-old mice of both sexes received 5 Gy total-body irradiation (TBI), followed by a top-up dose of 6.5 Gy to the thorax (total thoracic dose of 11.5 Gy). Starting from 24 h postirradiation, mice were treated once daily with 1 mg/kg PTC923 for six days by oral gavage. Assessment of lung injury by breathing rate was measured every other week and echocardiography to assess heart function was performed at different time points (8, 30, 60, 90 and 180 days). Plasma proteins (fibrinogen, neutrophil elastase, C-reactive protein, and IL-6) were assessed as well. TBI induced a reduction in cardiac contractile reserve and an impairment in diastolic function restored by daily oral PTC923. Postirradiation lung injury was significantly delayed by PTC923. TBI mice treated with PTC923 experienced a longer survival compared to nonirradiated mice (71% vs. 40% of mice alive after 180 days). PTC923-treated mice showed a reduction in inflammatory mediators, especially IL-6 and IL-1b. In conclusion, these findings support the proposal that PTC923 is a potential mitigator of cardiac and lung injury caused by TBI.
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Affiliation(s)
- Christopher S Rabender
- Department of Radiation Oncology, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Eleonora Mezzaroma
- Department of Pharmacotherapy and Outcomes Science, School of Pharmacy, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Vasily A Yakovlev
- Department of Radiation Oncology, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Adolfo G Mauro
- Internal Medicine, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Aldo Bonaventura
- Internal Medicine, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Antonio Abbate
- Internal Medicine, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
| | - Ross B Mikkelsen
- Department of Radiation Oncology, Division of Cardiology, Pauley Heart Center, Virginia Commonwealth University, Richmond, Virginia
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16
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Sahebnasagh A, Saghafi F, Negintaji S, Hu T, Shabani-Boroujeni M, Safdari M, Ghaleno HR, Miao L, Qi Y, Wang M, Liao P, Sureda A, Simal-Gándara J, Nabavi SM, Xiao J. Nitric Oxide and Immune Responses in Cancer: Searching for New Therapeutic Strategies. Curr Med Chem 2021; 29:1561-1595. [PMID: 34238142 DOI: 10.2174/0929867328666210707194543] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 05/05/2021] [Accepted: 05/15/2021] [Indexed: 02/08/2023]
Abstract
In recent years, there has been an increasing interest in understanding the mysterious functions of nitric oxide (NO) and how this pleiotropic signaling molecule contributes to tumorigenesis. This review attempts to expose and discuss the information available on the immunomodulatory role of NO in cancer and recent approaches to the role of NO donors in the area of immunotherapy. To address the goal, the following databases were searched to identify relevant literature concerning empirical evidence: The Cochrane Library, Pubmed, Medline, EMBASE from 1980 through March 2020. Valuable attempts have been made to develop distinctive NO-based cancer therapy. Although the data do not allow generalization, the evidence seems to indicate that low / moderate levels may favor tumorigenesis while higher levels would exert anti-tumor effects. In this sense, the use of NO donors could have an important therapeutic potential within immunotherapy, although there are still no clinical trials. The emerging understanding of NO-regulated immune responses in cancer may help unravel the recent features of this "double-edged sword" in cancer physiological and pathologic processes and its potential use as a therapeutic agent for cancer treatment. In short, in this review, we discuss the complex cellular mechanism in which NO, as a pleiotropic signaling molecule, participates in cancer pathophysiology. We also debate the dual role of NO in cancer and tumor progression, and clinical approaches for inducible nitric oxide synthase (iNOS) based therapy against cancer.
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Affiliation(s)
- Adeleh Sahebnasagh
- Clinical Research Center, Department of Internal Medicine, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Fatemeh Saghafi
- Department of Clinical Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Sina Negintaji
- Student Research Committee, School of Pharmacy, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Tingyan Hu
- School of Biological Sciences, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Mojtaba Shabani-Boroujeni
- Department of Clinical Pharmacy, Faculty of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammadreza Safdari
- Department of Orthopedic Surgery, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Hassan Rezai Ghaleno
- Department of Surgery, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Lingchao Miao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Research in Chinese Medicine, University of Macau, Macao, China
| | - Yaping Qi
- Purdue Quantum Science and Engineering Institute, Purdue University, West Lafayette, IN 47907, United States
| | - Mingfu Wang
- School of Biological Sciences, The University of Hong Kong, Pokfulam Road. Hong Kong, China
| | - Pan Liao
- Department of Biochemistry, Purdue University, West Lafayette, IN 47907, United States
| | - Antoni Sureda
- Research Group on Community Nutrition and Oxidative Stress, University of the Balearic Islands, Palma de Mallorca, Spain
| | - Jesus Simal-Gándara
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, E-32004 Ourense, Spain
| | - Seyed Mohammad Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Jianbo Xiao
- Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology, University of Vigo - Ourense Campus, E-32004 Ourense, Spain
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17
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Panieri E, Saso L. Inhibition of the NRF2/KEAP1 Axis: A Promising Therapeutic Strategy to Alter Redox Balance of Cancer Cells. Antioxid Redox Signal 2021; 34:1428-1483. [PMID: 33403898 DOI: 10.1089/ars.2020.8146] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Significance: The nuclear factor erythroid 2-related factor 2/Kelch-like ECH-associated protein 1 (NRF2/KEAP1) pathway is a crucial and highly conserved defensive system that is required to maintain or restore the intracellular homeostasis in response to oxidative, electrophilic, and other types of stress conditions. The tight control of NRF2 function is maintained by a complex network of biological interactions between positive and negative regulators that ultimately ensure context-specific activation, culminating in the NRF2-driven transcription of cytoprotective genes. Recent Advances: Recent studies indicate that deregulated NRF2 activation is a frequent event in malignant tumors, wherein it is associated with metabolic reprogramming, increased antioxidant capacity, chemoresistance, and poor clinical outcome. On the other hand, the growing interest in the modulation of the cancer cells' redox balance identified NRF2 as an ideal therapeutic target. Critical Issues: For this reason, many efforts have been made to identify potent and selective NRF2 inhibitors that might be used as single agents or adjuvants of anticancer drugs with redox disrupting properties. Despite the lack of specific NRF2 inhibitors still represents a major clinical hurdle, the researchers have exploited alternative strategies to disrupt NRF2 signaling at different levels of its biological activation. Future Directions: Given its dualistic role in tumor initiation and progression, the identification of the appropriate biological context of NRF2 activation and the specific clinicopathological features of patients cohorts wherein its inactivation is expected to have clinical benefits, will represent a major goal in the field of cancer research. In this review, we will briefly describe the structure and function of the NRF2/ KEAP1 system and some of the most promising NRF2 inhibitors, with a particular emphasis on natural compounds and drug repurposing. Antioxid. Redox Signal. 34, 1428-1483.
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Affiliation(s)
- Emiliano Panieri
- Department of Physiology and Pharmacology "Vittorio Erspamer," University of Rome La Sapienza, Rome, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer," University of Rome La Sapienza, Rome, Italy
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18
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Ren G, Zheng X, Sharma V, Letson J, Nestor-Kalinoski AL, Furuta S. Loss of Nitric Oxide Induces Fibrogenic Response in Organotypic 3D Co-Culture of Mammary Epithelia and Fibroblasts-An Indicator for Breast Carcinogenesis. Cancers (Basel) 2021; 13:cancers13112815. [PMID: 34198735 PMCID: PMC8201212 DOI: 10.3390/cancers13112815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/28/2021] [Accepted: 06/02/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Fibrosis, which is often caused by chronic diseases and environmental substances, is closely associated with cancer. Thus, the development of a robust method allowing for deep studies of the linkage between fibrosis and cancer is essential. Here, we tested whether our novel three-dimensional (3D) co-culture of breast epithelia and fibroblasts would be a suitable model for that purpose. We compared the phenotypic effects of L-NAME, an inhibitor of nitric oxide (NO) production, on 3D mono- and co-cultures. We previously reported that prolonged NO depletion with L-NAME caused fibrosis and tumorigenesis in mouse mammary glands. Such in vivo effects of L-NAME were well recapitulated in 3D co-cultures, but not in 3D mono-cultures of epithelia and fibroblasts. These results support not only the essential roles of the presence of the stroma in cancer development, but also the utility of this co-culture in studying the causal relationship between fibrosis and cancer. Abstract Excessive myofibroblast activation, which leads to dysregulated collagen deposition and the stiffening of the extracellular matrix (ECM), plays pivotal roles in cancer initiation and progression. Cumulative evidence attests to the cancer-causing effects of a number of fibrogenic factors found in the environment, diseases and drugs. While identifying such factors largely depends on epidemiological studies, it would be of great importance to develop a robust in vitro method to demonstrate the causal relationship between fibrosis and cancer. Here, we tested whether our recently developed organotypic three-dimensional (3D) co-culture would be suitable for that purpose. This co-culture system utilizes the discontinuous ECM to separately culture mammary epithelia and fibroblasts in the discrete matrices to model the complexity of the mammary gland. We observed that pharmaceutical deprivation of nitric oxide (NO) in 3D co-cultures induced myofibroblast differentiation of the stroma as well as the occurrence of epithelial–mesenchymal transition (EMT) of the parenchyma. Such in vitro response to NO deprivation was unique to co-cultures and closely mimicked the phenotype of NO-depleted mammary glands exhibiting stromal desmoplasia and precancerous lesions undergoing EMT. These results suggest that this novel 3D co-culture system could be utilized in the deep mechanistic studies of the linkage between fibrosis and cancer.
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Affiliation(s)
- Gang Ren
- Department of Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Arlington Ave., Toledo, OH 43614, USA; (G.R.); (X.Z.); (V.S.); (J.L.)
| | - Xunzhen Zheng
- Department of Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Arlington Ave., Toledo, OH 43614, USA; (G.R.); (X.Z.); (V.S.); (J.L.)
| | - Vandana Sharma
- Department of Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Arlington Ave., Toledo, OH 43614, USA; (G.R.); (X.Z.); (V.S.); (J.L.)
| | - Joshua Letson
- Department of Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Arlington Ave., Toledo, OH 43614, USA; (G.R.); (X.Z.); (V.S.); (J.L.)
| | - Andrea L. Nestor-Kalinoski
- Department of Surgery, College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Arlington Ave., Toledo, OH 43614, USA;
| | - Saori Furuta
- Department of Cancer Biology, College of Medicine and Life Sciences, University of Toledo Health Science Campus, 3000 Arlington Ave., Toledo, OH 43614, USA; (G.R.); (X.Z.); (V.S.); (J.L.)
- Correspondence:
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19
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Zhong GC, Zhao ZB, Cheng Y, Wang YB, Qiu C, Mao LH, Hu JJ, Cai D, Liu Y, Gong JP, Li SW. Epigenetic silencing of GCH1promotes hepatocellular carcinoma growth by activating superoxide anion-mediated ASK1/p38 signaling via inhibiting tetrahydrobiopterin de novo biosynthesis. Free Radic Biol Med 2021; 168:81-94. [PMID: 33781891 DOI: 10.1016/j.freeradbiomed.2021.03.025] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 03/19/2021] [Accepted: 03/20/2021] [Indexed: 12/21/2022]
Abstract
Metabolic reprogramming is a hallmark of cancer, including hepatocellular carcinoma (HCC). However, its role in HCC remains to be elucidated. Herein, we identified GTP cyclohydrolase 1 (GCH1), the first rate-limiting enzyme in tetrahydrobiopterin (BH4) de novo biosynthesis, as a novel metabolic regulator of HCC. GCH1 was frequently down-regulated in HCC tissues and cell lines by promoter methylation. Low GCH1 expression was associated with larger tumor size, increased tumor number, and worse prognosis in two independent cohorts of HCC patients. Functionally, GCH1 silencing promoted HCC growth in vitro and in vivo, while GCH1 overexpression exerted an opposite effect. The metabolite BH4 inhibited HCC growth in vitro and in vivo. GCH1 silencing exerted its growth-promoting effect through directly inhibiting BH4 de novo biosynthesis. Mechanistically, GCH1 silencing activated ASK1/p38 signaling; pharmacological or genetic inhibition of ASK1 or p38 abolished GCH1 silencing-induced growth-promoting effect. Further mechanistic studies found that GCH1 silencing-induced BH4 reduction resulted in an increase of intracellular superoxide anion levels in a dose-dependent manner, which mediated the activation of ASK1/p38 signaling. Collectively, our study reveals that epigenetic silencing of GCH1 promotes HCC growth by activating superoxide anion-mediated ASK1/p38 signaling via inhibiting BH4 de novo biosynthesis, suggesting that targeting GCH1/BH4 pathway may be a promising therapeutic strategy to combat HCC.
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Affiliation(s)
- Guo-Chao Zhong
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhi-Bo Zhao
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yao Cheng
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yun-Bing Wang
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Chan Qiu
- Department of Gastroenterology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Lin-Hong Mao
- Department of Gastroenterology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Jie-Jun Hu
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Dong Cai
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Yan Liu
- Department of Gastroenterology, The Fifth People's Hospital of Chengdu, Chengdu, China
| | - Jian-Ping Gong
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.
| | - Sheng-Wei Li
- Department of Hepatobiliary Surgery, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, China.
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20
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Sharma V, Fernando V, Letson J, Walia Y, Zheng X, Fackelman D, Furuta S. S-Nitrosylation in Tumor Microenvironment. Int J Mol Sci 2021; 22:ijms22094600. [PMID: 33925645 PMCID: PMC8124305 DOI: 10.3390/ijms22094600] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/19/2021] [Accepted: 04/22/2021] [Indexed: 02/07/2023] Open
Abstract
S-nitrosylation is a selective and reversible post-translational modification of protein thiols by nitric oxide (NO), which is a bioactive signaling molecule, to exert a variety of effects. These effects include the modulation of protein conformation, activity, stability, and protein-protein interactions. S-nitrosylation plays a central role in propagating NO signals within a cell, tissue, and tissue microenvironment, as the nitrosyl moiety can rapidly be transferred from one protein to another upon contact. This modification has also been reported to confer either tumor-suppressing or tumor-promoting effects and is portrayed as a process involved in every stage of cancer progression. In particular, S-nitrosylation has recently been found as an essential regulator of the tumor microenvironment (TME), the environment around a tumor governing the disease pathogenesis. This review aims to outline the effects of S-nitrosylation on different resident cells in the TME and the diverse outcomes in a context-dependent manner. Furthermore, we will discuss the therapeutic potentials of modulating S-nitrosylation levels in tumors.
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21
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Guan X, Guan X, Lu C, Shang B, Zhao Y, Meng Y, Zhang Z. Nebivolol combined with tetrahydrobiopterin affects diastolic function in spontaneously hypertensive rats via the nitric oxide/cyclic guanosine monophosphate signalling pathway. BMC Pharmacol Toxicol 2020; 21:84. [PMID: 33267901 PMCID: PMC7709331 DOI: 10.1186/s40360-020-00460-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 11/12/2020] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND Hypertension is the the primary cause of diastolic heart failure. Oxidative stress plays an important role in cardiac diastolic dysfunction caused by hypertension. The occurrence of oxidative stress is related to the level of nitric oxide (NO) in the body. Tetrahydrobiopterin (BH4) is an essential cofactor for NO synthesis. Nebivolol can reduce myocardial oxidative stress and increase NO activity. Therefore, we investigated the effects of monotherapy or combination therapy of different doses of BH4 and nebivolol on cardiac diastolic function in spontaneously hypertensive rats, and preliminarily expounded the related mechanisms. METHODS Left ventricular function was evaluated by non-invasive echocardiographic assessment and invasive right carotid artery catheterization methods. ELISA was used to measure myocardial 3-nitrotyrosine content, NO production, and cyclic guanosine monophosphate (cGMP) concentration in the myocardium; quantitative real-time PCR (qRT-PCR) was used to determine endothelial nitric oxide synthase (eNOS), phospholamban and sarcoplasmic reticulum Ca2+-ATPase 2a (SERCA2a) mRNA expression levels; Western blot was used to detect the protein expression levels of eNOS and eNOS dimers in myocardial tissue, and immunohistochemical detection of cGMP expression in the myocardium was performed. RESULTS Studies have shown that compared with those in the control group, NO generation and the expression level of myocardial eNOS mRNA, eNOS expression of dimers, phospholamban, SERCA2a and cGMP increased significantly after the combined intervention of BH4 and nebivolol, while the expression of 3-nitrotyrosine was significantly decreased. CONCLUSIONS The combined treatment group had a synergistic effect on reducing myocardial oxidative stress, increasing eNOS content, and increasing NO production, and had a more obvious protective effect on diastolic dysfunction through the nitric oxide/cyclic guanosine monophosphate (NO/cGMP) pathway.
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Affiliation(s)
- Xiaoli Guan
- General Medicine Department, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Xiaoying Guan
- Pathology Department, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Changhong Lu
- General Medicine Department, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Bo Shang
- General Medicine Department, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Yuan Zhao
- General Medicine Department, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Ying Meng
- General Medicine Department, Lanzhou University Second Hospital, Lanzhou, Gansu, China
| | - Zhengyi Zhang
- General Medicine Department, Lanzhou University Second Hospital, Lanzhou, Gansu, China.
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22
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Peleli M, Moustakas A, Papapetropoulos A. Endothelial-Tumor Cell Interaction in Brain and CNS Malignancies. Int J Mol Sci 2020; 21:E7371. [PMID: 33036204 PMCID: PMC7582718 DOI: 10.3390/ijms21197371] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 09/28/2020] [Accepted: 10/03/2020] [Indexed: 02/07/2023] Open
Abstract
Glioblastoma and other brain or CNS malignancies (like neuroblastoma and medulloblastoma) are difficult to treat and are characterized by excessive vascularization that favors further tumor growth. Since the mean overall survival of these types of diseases is low, the finding of new therapeutic approaches is imperative. In this review, we discuss the importance of the interaction between the endothelium and the tumor cells in brain and CNS malignancies. The different mechanisms of formation of new vessels that supply the tumor with nutrients are discussed. We also describe how the tumor cells (TC) alter the endothelial cell (EC) physiology in a way that favors tumorigenesis. In particular, mechanisms of EC-TC interaction are described such as (a) communication using secreted growth factors (i.e., VEGF, TGF-β), (b) intercellular communication through gap junctions (i.e., Cx43), and (c) indirect interaction via intermediate cell types (pericytes, astrocytes, neurons, and immune cells). At the signaling level, we outline the role of important mediators, like the gasotransmitter nitric oxide and different types of reactive oxygen species and the systems producing them. Finally, we briefly discuss the current antiangiogenic therapies used against brain and CNS tumors and the potential of new pharmacological interventions that target the EC-TC interaction.
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Affiliation(s)
- Maria Peleli
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Box 582, SE-751 23 Uppsala, Sweden;
- Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation of the Academy of Athens, 115 27 Athens, Greece;
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, 157 71 Athens, Greece
| | - Aristidis Moustakas
- Department of Medical Biochemistry and Microbiology, Science for Life Laboratory, Uppsala University, Box 582, SE-751 23 Uppsala, Sweden;
| | - Andreas Papapetropoulos
- Clinical, Experimental Surgery and Translational Research Center, Biomedical Research Foundation of the Academy of Athens, 115 27 Athens, Greece;
- Laboratory of Pharmacology, Faculty of Pharmacy, National and Kapodistrian University of Athens, 157 71 Athens, Greece
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23
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Yang S, Lv Y, Wu C, Liu B, Shu Z, Lin Y. Pickled Vegetables Intake Impacts the Metabolites for Gastric Cancer. Cancer Manag Res 2020; 12:8263-8273. [PMID: 32982422 PMCID: PMC7490060 DOI: 10.2147/cmar.s271277] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 08/20/2020] [Indexed: 01/19/2023] Open
Abstract
Purpose An increased risk of gastric cancer (GC) for pickled vegetables intake has been suggested, but a complete understanding of its pathogenic origin is still lacking, especially from a metabolic viewpoint. We investigated the plasma metabolites and metabolic pathway alteration of GC related to pickled vegetables intake. Methods We analyzed plasma samples collected from 365 gastric cancer patients and 347 healthy individuals, and divided them into three subgroups according to the intake of pickled vegetables. Plasma samples were detected by untargeted metabolomics. Results Nine metabolites were significantly altered in GC patients among pickled vegetables intake groups (FDR P-value<0.05). All of them were associated with the risk of gastric cancer adjusted for gender, age, smoking status, Helicobacter pylori infection. Pathway analysis showed significant alteration in the folate biosynthesis pathway. Conclusion In short, we provide new insights from a metabolic perspective on the relationship between pickled vegetables intake and the occurrence of gastric cancer.
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Affiliation(s)
- Shuangfeng Yang
- School of Public Health, Fujian Medical University, Fuzhou, People's Republic of China.,Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, People's Republic of China
| | - Yanping Lv
- School of Public Health, Fujian Medical University, Fuzhou, People's Republic of China.,Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, People's Republic of China
| | - Chuancheng Wu
- School of Public Health, Fujian Medical University, Fuzhou, People's Republic of China.,Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, People's Republic of China
| | - Baoying Liu
- School of Public Health, Fujian Medical University, Fuzhou, People's Republic of China.,Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, People's Republic of China
| | - Zhixiong Shu
- School of Public Health, Fujian Medical University, Fuzhou, People's Republic of China.,Fujian Provincial Key Laboratory of Environment Factors and Cancer, Fuzhou, People's Republic of China
| | - Yulan Lin
- School of Public Health, Fujian Medical University, Fuzhou, People's Republic of China
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24
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Wang H, Wang L, Xie Z, Zhou S, Li Y, Zhou Y, Sun M. Nitric Oxide (NO) and NO Synthases (NOS)-Based Targeted Therapy for Colon Cancer. Cancers (Basel) 2020; 12:E1881. [PMID: 32668616 PMCID: PMC7408898 DOI: 10.3390/cancers12071881] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/10/2020] [Accepted: 07/10/2020] [Indexed: 12/13/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most lethal malignancies worldwide and CRC therapy remains unsatisfactory. In recent decades, nitric oxide (NO)-a free-radical gas-plus its endogenous producer NO synthases (NOS), have attracted considerable attention. NO exerts dual effects (pro- and anti-tumor) in cancers. Endogenous levels of NO promote colon neoplasms, whereas exogenously sustained doses lead to cytotoxic functions. Importantly, NO has been implicated as an essential mediator in many signaling pathways in CRC, such as the Wnt/β-catenin and extracellular-signal-regulated kinase (ERK) pathways, which are closely associated with cancer initiation, metastasis, inflammation, and chemo-/radio-resistance. Therefore, NO/NOS have been proposed as promising targets in the regulation of CRC carcinogenesis. Clinically relevant NO-donating agents have been developed for CRC therapy to deliver a high level of NO to tumor sites. Notably, inducible NOS (iNOS) is ubiquitously over-expressed in inflammatory-associated colon cancer. The development of iNOS inhibitors contributes to targeted therapies for CRC with clinical benefits. In this review, we summarize the multifaceted mechanisms of NO-mediated networks in several hallmarks of CRC. We review the clinical manifestation and limitations of NO donors and NOS inhibitors in clinical trials. We also discuss the possible directions of NO/NOS therapies in the immediate future.
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Affiliation(s)
- Hao Wang
- College of Laboratory Medicine, Jilin Medical University, Jilin 132013, China;
| | - Liye Wang
- Department of Pharmacological and Pharmaceutical Science, College of Pharmacy, University of Houston, Houston, TX, 77204, USA; (L.W.); (Z.X.); (S.Z.); (Y.L.)
| | - Zuoxu Xie
- Department of Pharmacological and Pharmaceutical Science, College of Pharmacy, University of Houston, Houston, TX, 77204, USA; (L.W.); (Z.X.); (S.Z.); (Y.L.)
| | - Shuang Zhou
- Department of Pharmacological and Pharmaceutical Science, College of Pharmacy, University of Houston, Houston, TX, 77204, USA; (L.W.); (Z.X.); (S.Z.); (Y.L.)
| | - Yan Li
- Department of Pharmacological and Pharmaceutical Science, College of Pharmacy, University of Houston, Houston, TX, 77204, USA; (L.W.); (Z.X.); (S.Z.); (Y.L.)
| | - Yue Zhou
- Department of Statistics, North Dakota University, Fargo, ND 58105, USA;
| | - Meiyan Sun
- College of Laboratory Medicine, Jilin Medical University, Jilin 132013, China;
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25
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Gorska-Ponikowska M, Ploska A, Jacewicz D, Szkatula M, Barone G, Lo Bosco G, Lo Celso F, Dabrowska AM, Kuban-Jankowska A, Gorzynik-Debicka M, Knap N, Chmurzynski L, Dobrucki LW, Kalinowski L, Wozniak M. Modification of DNA structure by reactive nitrogen species as a result of 2-methoxyestradiol-induced neuronal nitric oxide synthase uncoupling in metastatic osteosarcoma cells. Redox Biol 2020; 32:101522. [PMID: 32305006 PMCID: PMC7162974 DOI: 10.1016/j.redox.2020.101522] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 03/23/2020] [Accepted: 03/24/2020] [Indexed: 12/16/2022] Open
Abstract
2-methoxyestradiol (2-ME) is a physiological anticancer compound, metabolite of 17β-estradiol. Previously, our group evidenced that from mechanistic point of view one of anticancer mechanisms of action of 2-ME is specific induction and nuclear hijacking of neuronal nitric oxide synthase (nNOS), resulting in local generation of nitro-oxidative stress and finally, cancer cell death. The current study aims to establish the substantial mechanism of generation of reactive nitrogen species by 2-ME. We further achieved to identify the specific reactive nitrogen species involved in DNA-damaging mechanism of 2-ME. The study was performed using metastatic osteosarcoma 143B cells. We detected the release of biologically active (free) nitric oxide (•NO) with concurrent measurements of peroxynitrite (ONOO−) in real time in a single cell of 143B cell line by using •NO/ONOO− sensitive microsensors after stimulation with calcium ionophore. Detection of nitrogen dioxide (•NO2) and determination of chemical rate constants were carried out by a stopped-flow technique. The affinity of reactive nitrogen species toward the guanine base of DNA was evaluated by density functional theory calculations. Expression and localization of nuclear factor NF-kB was determined using imaging cytometry, while cell viability assay was evaluated by MTT assay. Herein, we presented that 2-ME triggers pro-apoptotic signalling cascade by increasing cellular reactive nitrogen species overproduction – a result of enzymatic uncoupling of increased nNOS protein levels. In particular, we proved that ONOO− and •NO2 directly formed from peroxynitrous acid (ONOOH) and/or by auto-oxidation of •NO, are inducers of DNA damage in anticancer mechanism of 2-ME. Specifically, the affinity of reactive nitrogen species toward the guanine base of DNA, evaluated by density functional theory calculations, decreased in the order: ONOOH > ONOO− > •NO2 > •NO. Therefore, we propose to consider the specific inducers of nNOS as an effective tool in the field of chemotherapy.
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Affiliation(s)
- Magdalena Gorska-Ponikowska
- Department of Medical Chemistry, Medical University of Gdansk, 1 Debinki St, 80-211, Gdansk, Poland; Euro-Mediterranean Institute of Science and Technology, Palermo, Italy; Department of Biophysics, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany.
| | - Agata Ploska
- Department of Medical Laboratory Diagnostics, Medical University of Gdansk, Gdansk, Poland; Biobanking and Biomolecular Resources Research Infrastructure Poland (BBMRI.PL), Gdansk, Poland
| | - Dagmara Jacewicz
- Department of General and Inorganic Chemistry, University of Gdansk, Gdansk, Poland
| | - Michal Szkatula
- Department of Medical Chemistry, Medical University of Gdansk, 1 Debinki St, 80-211, Gdansk, Poland
| | - Giampaolo Barone
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo,Palermo, Italy
| | - Giosuè Lo Bosco
- Euro-Mediterranean Institute of Science and Technology, Palermo, Italy; Department of Mathematics and Computer Science, University of Palermo, Palermo, Italy
| | - Fabrizio Lo Celso
- Department of Physics and Chemistry "Emilio Segrè", University of Palermo, Palermo, Italy
| | | | - Alicja Kuban-Jankowska
- Department of Medical Chemistry, Medical University of Gdansk, 1 Debinki St, 80-211, Gdansk, Poland
| | - Monika Gorzynik-Debicka
- Department of Medical Chemistry, Medical University of Gdansk, 1 Debinki St, 80-211, Gdansk, Poland
| | - Narcyz Knap
- Department of Medical Chemistry, Medical University of Gdansk, 1 Debinki St, 80-211, Gdansk, Poland
| | - Lech Chmurzynski
- Department of General and Inorganic Chemistry, University of Gdansk, Gdansk, Poland
| | - Lawrence Wawrzyniec Dobrucki
- Department of Medical Laboratory Diagnostics, Medical University of Gdansk, Gdansk, Poland; Biobanking and Biomolecular Resources Research Infrastructure Poland (BBMRI.PL), Gdansk, Poland; Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL, USA; Beckman Institute for Advanced Science and Technology, Urbana, IL, USA
| | - Leszek Kalinowski
- Department of Medical Laboratory Diagnostics, Medical University of Gdansk, Gdansk, Poland; Biobanking and Biomolecular Resources Research Infrastructure Poland (BBMRI.PL), Gdansk, Poland
| | - Michal Wozniak
- Department of Medical Chemistry, Medical University of Gdansk, 1 Debinki St, 80-211, Gdansk, Poland
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Obrador E, Liu-Smith F, Dellinger RW, Salvador R, Meyskens FL, Estrela JM. Oxidative stress and antioxidants in the pathophysiology of malignant melanoma. Biol Chem 2019; 400:589-612. [PMID: 30352021 DOI: 10.1515/hsz-2018-0327] [Citation(s) in RCA: 71] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 10/09/2018] [Indexed: 02/07/2023]
Abstract
The high number of somatic mutations in the melanoma genome associated with cumulative ultra violet (UV) exposure has rendered it one of the most difficult of cancers to treat. With new treatment approaches based on targeted and immune therapies, drug resistance has appeared as a consistent problem. Redox biology, including reactive oxygen and nitrogen species (ROS and RNS), plays a central role in all aspects of melanoma pathophysiology, from initiation to progression and to metastatic cells. The involvement of melanin production and UV radiation in ROS/RNS generation has rendered the melanocytic lineage a unique system for studying redox biology. Overall, an elevated oxidative status has been associated with melanoma, thus much effort has been expended to prevent or treat melanoma using antioxidants which are expected to counteract oxidative stress. The consequence of this redox-rebalance seems to be two-fold: on the one hand, cells may behave less aggressively or even undergo apoptosis; on the other hand, cells may survive better after being disseminated into the circulating system or after drug treatment, thus resulting in metastasis promotion or further drug resistance. In this review we summarize the current understanding of redox signaling in melanoma at cellular and systemic levels and discuss the experimental and potential clinic use of antioxidants and new epigenetic redox modifiers.
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Affiliation(s)
- Elena Obrador
- Department of Phisiology, University of Valencia, 46010 Valencia, Spain
| | - Feng Liu-Smith
- Department of Epdemiology, Department of Medicine, Chao Family Comprehensive Cancer Center, University of California Irvine, Irvine, CA 92697, USA.,Department of Medicine, Chao Family Comprehensive Cancer Center, University of California Irvine, Irvine, CA 92697, USA
| | | | - Rosario Salvador
- Department of Phisiology, University of Valencia, 46010 Valencia, Spain
| | - Frank L Meyskens
- Department of Epdemiology, Department of Medicine, Chao Family Comprehensive Cancer Center, University of California Irvine, Irvine, CA 92697, USA.,Department of Medicine, Chao Family Comprehensive Cancer Center, University of California Irvine, Irvine, CA 92697, USA.,Department of Biological Chemistry, Chao Family Comprehensive Cancer Center, University of California, Irvine, CA 92697, USA
| | - José M Estrela
- Department of Phisiology, University of Valencia, 46010 Valencia, Spain
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Gonçalves DA, Xisto R, Gonçalves JD, da Silva DB, Moura Soares JP, Icimoto MY, Sant’Anna C, Gimenez M, de Angelis K, Llesuy S, Fernandes DC, Laurindo F, Jasiulionis MG, Melo FHMD. Imbalance between nitric oxide and superoxide anion induced by uncoupled nitric oxide synthase contributes to human melanoma development. Int J Biochem Cell Biol 2019; 115:105592. [DOI: 10.1016/j.biocel.2019.105592] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 07/20/2019] [Accepted: 08/19/2019] [Indexed: 12/28/2022]
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28
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S-Nitrosylation: An Emerging Paradigm of Redox Signaling. Antioxidants (Basel) 2019; 8:antiox8090404. [PMID: 31533268 PMCID: PMC6769533 DOI: 10.3390/antiox8090404] [Citation(s) in RCA: 108] [Impact Index Per Article: 21.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 09/12/2019] [Accepted: 09/13/2019] [Indexed: 02/07/2023] Open
Abstract
Nitric oxide (NO) is a highly reactive molecule, generated through metabolism of L-arginine by NO synthase (NOS). Abnormal NO levels in mammalian cells are associated with multiple human diseases, including cancer. Recent studies have uncovered that the NO signaling is compartmentalized, owing to the localization of NOS and the nature of biochemical reactions of NO, including S-nitrosylation. S-nitrosylation is a selective covalent post-translational modification adding a nitrosyl group to the reactive thiol group of a cysteine to form S-nitrosothiol (SNO), which is a key mechanism in transferring NO-mediated signals. While S-nitrosylation occurs only at select cysteine thiols, such a spatial constraint is partially resolved by transnitrosylation, where the nitrosyl moiety is transferred between two interacting proteins to successively transfer the NO signal to a distant location. As NOS is present in various subcellular locales, a stress could trigger concerted S-nitrosylation and transnitrosylation of a large number of proteins involved in divergent signaling cascades. S-nitrosylation is an emerging paradigm of redox signaling by which cells confer protection against oxidative stress.
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Mohammadoo-Khorasani M, Karami Tehrani F, Atri M. Soluble guanylate cyclase isoenzymes: The expression of α1, α2, β1, and β2 subunits in the benign and malignant breast tumors. J Cell Physiol 2019; 235:1358-1365. [PMID: 31270804 DOI: 10.1002/jcp.29054] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 06/13/2019] [Indexed: 12/18/2022]
Abstract
Soluble guanylate cyclase (sGC) encompasses α and β subunits. This study examined the expression of α1, α2, β1, and β2 subunits in the malignant and benign breast tumors using the Western blot analysis. Both benign and malignant tumors showed a significantly higher expression of the α1 subunit in comparison with normal tissues (p < 0.0001). In contrast, the expression of α2 and β2 sGC were significantly lower in these tumors than normal tissues (p < .0015 and p < .001, p < .007 and p < .0001, respectively). The expression level of α1 sGC was significantly correlated with ER + PR+ (p < .0001). A significant correlation was also detected for sGC-α1 and -α2 expression with c-erbB2-negative status (p < .01). However, the expression level of sGC was not associated with tumor stage, tumor grade, or other clinicopathological features. In conclusion, as the expression of α1 sGC is upregulated and α2 and β2 sGC are downregulated in malignant breast tumors. Variations in the expression of sGC isoenzymes may be suggested as an indicator to confirm the enzyme antitumor activity.
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Affiliation(s)
- Milad Mohammadoo-Khorasani
- Cancer Research Laboratory, Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Fatemeh Karami Tehrani
- Cancer Research Laboratory, Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
| | - Morteza Atri
- Department of Surgery, Faculty of Medicine, Tehran University of Medical Sciences, Tehran, Iran
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Aziz MY, Chik Z. Bioanalysis of tetrahydrobiopterin with liquid chromatographic-mass spectrometric and its application for pharmacokinetics in apolipoprotein E knockout mice. J LIQ CHROMATOGR R T 2019. [DOI: 10.1080/10826076.2019.1625376] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Mohd Yusmaidie Aziz
- Integrative Medicine Cluster, Institut Perubatan dan Pergigian Termaju, Universiti Sains Malaysia, Bertam, Penang, Malaysia
| | - Zamri Chik
- Department of Pharmacology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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Reduced Basal Nitric Oxide Production Induces Precancerous Mammary Lesions via ERBB2 and TGFβ. Sci Rep 2019; 9:6688. [PMID: 31040372 PMCID: PMC6491486 DOI: 10.1038/s41598-019-43239-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Accepted: 04/18/2019] [Indexed: 02/08/2023] Open
Abstract
One third of newly diagnosed breast cancers in the US are early-stage lesions. The etiological understanding and treatment of these lesions have become major clinical challenges. Because breast cancer risk factors are often linked to aberrant nitric oxide (NO) production, we hypothesized that abnormal NO levels might contribute to the formation of early-stage breast lesions. We recently reported that the basal level of NO in the normal breast epithelia plays crucial roles in tissue homeostasis, whereas its reduction contributes to the malignant phenotype of cancer cells. Here, we show that the basal level of NO in breast cells plummets during cancer progression due to reduction of the NO synthase cofactor, BH4, under oxidative stress. Importantly, pharmacological deprivation of NO in prepubertal to pubertal animals stiffens the extracellular matrix and induces precancerous lesions in the mammary tissues. These lesions overexpress a fibrogenic cytokine, TGFβ, and an oncogene, ERBB2, accompanied by the occurrence of senescence and stem cell-like phenotype. Consistently, normalization of NO levels in precancerous and cancerous breast cells downmodulates TGFβ and ERBB2 and ameliorates their proliferative phenotype. This study sheds new light on the etiological basis of precancerous breast lesions and their potential prevention by manipulating the basal NO level.
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Bignon E, Rizza S, Filomeni G, Papaleo E. Use of Computational Biochemistry for Elucidating Molecular Mechanisms of Nitric Oxide Synthase. Comput Struct Biotechnol J 2019; 17:415-429. [PMID: 30996821 PMCID: PMC6451115 DOI: 10.1016/j.csbj.2019.03.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 03/17/2019] [Accepted: 03/21/2019] [Indexed: 12/25/2022] Open
Abstract
Nitric oxide (NO) is an essential signaling molecule in the regulation of multiple cellular processes. It is endogenously synthesized by NO synthase (NOS) as the product of L-arginine oxidation to L-citrulline, requiring NADPH, molecular oxygen, and a pterin cofactor. Two NOS isoforms are constitutively present in cells, nNOS and eNOS, and a third is inducible (iNOS). Despite their biological relevance, the details of their complex structural features and reactivity mechanisms are still unclear. In this review, we summarized the contribution of computational biochemistry to research on NOS molecular mechanisms. We described in detail its use in studying aspects of structure, dynamics and reactivity. We also focus on the numerous outstanding questions in the field that could benefit from more extensive computational investigations.
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Affiliation(s)
- Emmanuelle Bignon
- Computational Biology Laboratory, Danish Cancer Society Research Center, Strandboulevarden 49, 2100 Copenhagen, Denmark
| | - Salvatore Rizza
- Redox Signaling and Oxidative Stress Group, Cell Stress and Survival Unit, Danish Cancer Society Research Center, Strandboulevarden 49, 2100 Copenhagen, Denmark
| | - Giuseppe Filomeni
- Redox Signaling and Oxidative Stress Group, Cell Stress and Survival Unit, Danish Cancer Society Research Center, Strandboulevarden 49, 2100 Copenhagen, Denmark.,Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Elena Papaleo
- Computational Biology Laboratory, Danish Cancer Society Research Center, Strandboulevarden 49, 2100 Copenhagen, Denmark.,Translational Disease Systems Biology, Faculty of Health and Medical Sciences, Novo Nordisk Foundation Center for Protein Research University of Copenhagen, Copenhagen, Denmark
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Ding M, Zhang H, Liu L, Liang R. Effect of NOS1 regulating ABCG2 expression on proliferation and apoptosis of cervical cancer cells. Oncol Lett 2019; 17:1531-1536. [PMID: 30675209 PMCID: PMC6341600 DOI: 10.3892/ol.2018.9786] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Accepted: 11/05/2018] [Indexed: 01/12/2023] Open
Abstract
The expression of nitric oxide synthase 1 (NOS1) and adenosine triphosphate-binding cassette sub-family G member 2 (ABCG2) in cervical cancer tissues was investigated. The messenger ribonucleic acid (mRNA) levels of NOS1 and ABCG2 in 40 cervical cancer specimens and 20 normal cervical specimens were detected via reverse transcription-polymerase chain reaction, and the correlation between them was analyzed via Pearsons correlation analysis. The protein expression levels were detected via western blotting. Moreover, the regulatory mode between NOS1 and ABCG2 and the effects on proliferation and apoptosis of cervical cancer cells were analyzed using the lentiviral transfection technique. The mRNA levels of NOS1 and ABCG2 in the cervical cancer group were significantly increased compared with those in the normal cervical control group (P<0.05). There was a positive correlation between NOS1 and ABCG2 mRNA expression levels in cervical cancer tissues (r=1.246, P=0.014). HeLa and C-33A cell lines with relatively high expression levels of NOS1 and ABCG2 were selected for the in vitro study. After interference in the NOS1 expression in HeLa and C-33A cells with sh-NOS1, the protein expression of ABCG2 was also decreased. However, the protein expression level of NOS1 remained unchanged after interference in the ABCG2 expression (P<0.05). After interference in the NOS1 expression, the proliferation capacities of HeLa and C-33A cells were significantly decreased, but the apoptosis levels were obviously increased (P<0.05). The mRNA expression of NOS1 and ABCG2 in cervical cancer tissues is significantly increased. NOS1, as an upstream signal regulator of ABCG2, regulates the growth and apoptosis of tumor cells. Both NOS1 and ABCG2 are important proliferation-promoting oncogenes in cervical cancer, which are expected to provide a certain theoretical basis for the treatment of cervical cancer.
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Affiliation(s)
- Mingde Ding
- Department of Gynaecology, Affiliated Hospital of Taishan Medical University, Taian, Shandong 271000, P.R. China
| | - Hui Zhang
- Department of Gynaecology, Affiliated Hospital of Taishan Medical University, Taian, Shandong 271000, P.R. China
| | - Lei Liu
- Department of Pathology, Affiliated Hospital of Taishan Medical University, Taian, Shandong 271000, P.R. China
| | - Ruilan Liang
- Department of Gynaecology, Affiliated Hospital of Taishan Medical University, Taian, Shandong 271000, P.R. China
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Zhao Q, Zhao H, Guo Y, Zhang Z, Hu Y, Tang Y. Ultra-Rapid Detection of Endogenous Nitric Oxide Based on Fluorescent Conjugated Polymers Probe. Anal Chem 2018; 90:12663-12669. [DOI: 10.1021/acs.analchem.8b02891] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Qi Zhao
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Hao Zhao
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Yang Guo
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Ziqi Zhang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - You Hu
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
| | - Yanli Tang
- Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi’an 710062, P. R. China
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Moldogazieva NT, Lutsenko SV, Terentiev AA. Reactive Oxygen and Nitrogen Species-Induced Protein Modifications: Implication in Carcinogenesis and Anticancer Therapy. Cancer Res 2018; 78:6040-6047. [PMID: 30327380 DOI: 10.1158/0008-5472.can-18-0980] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 07/23/2018] [Accepted: 08/23/2018] [Indexed: 11/16/2022]
Abstract
Cancer is a complex disorder extremely dependent on its microenvironment and highly regulated by multiple intracellular and extracellular stimuli. Studies show that reactive oxygen and nitrogen species (RONS) play key roles in cancer initiation and progression. Accumulation of RONS caused by imbalance between RONS generation and activity of antioxidant system (AOS) has been observed in many cancer types. This leads to alterations in gene expression levels, signal transduction pathways, and protein quality control machinery, that is, processes that regulate cancer cell proliferation, migration, invasion, and apoptosis. This review focuses on the latest advancements evidencing that RONS-induced modifications of key redox-sensitive residues in regulatory proteins, that is, cysteine oxidation/S-sulfenylation/S-glutathionylation/S-nitrosylation and tyrosine nitration, represent important molecular mechanisms underlying carcinogenesis. The oxidative/nitrosative modifications cause alterations in activities of intracellular effectors of MAPK- and PI3K/Akt-mediated signaling pathways, transcription factors (Nrf2, AP-1, NFκB, STAT3, and p53), components of ubiquitin/proteasomal and autophagy/lysosomal protein degradation systems, molecular chaperones, and cytoskeletal proteins. Redox-sensitive proteins, RONS-generating enzymes, and AOS components can serve as targets for relevant anticancer drugs. Chemotherapeutic agents exert their action via RONS generation and induction of cancer cell apoptosis, while drug resistance associates with RONS-induced cancer cell survival; this is exploited in selective anticancer therapy strategies. Cancer Res; 78(21); 6040-7. ©2018 AACR.
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Affiliation(s)
- Nurbubu T Moldogazieva
- Department of Biotechnology, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia.
| | - Sergey V Lutsenko
- Department of Biotechnology, I.M. Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
| | - Alexander A Terentiev
- Department of Biochemistry and Molecular Biology, N.I. Pirogov Russian National Research Medical University, Moscow, Russia
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Guo J, Dong F, Ding L, Wang K, Zhang J, Fang J. A novel drug-free strategy of nano-pulse stimulation sequence (NPSS) in oral cancer therapy: In vitro and in vivo study. Bioelectrochemistry 2018; 123:26-33. [DOI: 10.1016/j.bioelechem.2018.04.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 04/17/2018] [Accepted: 04/17/2018] [Indexed: 11/30/2022]
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Bignon E, Allega MF, Lucchetta M, Tiberti M, Papaleo E. Computational Structural Biology of S-nitrosylation of Cancer Targets. Front Oncol 2018; 8:272. [PMID: 30155439 PMCID: PMC6102371 DOI: 10.3389/fonc.2018.00272] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 07/02/2018] [Indexed: 12/15/2022] Open
Abstract
Nitric oxide (NO) plays an essential role in redox signaling in normal and pathological cellular conditions. In particular, it is well known to react in vivo with cysteines by the so-called S-nitrosylation reaction. S-nitrosylation is a selective and reversible post-translational modification that exerts a myriad of different effects, such as the modulation of protein conformation, activity, stability, and biological interaction networks. We have appreciated, over the last years, the role of S-nitrosylation in normal and disease conditions. In this context, structural and computational studies can help to dissect the complex and multifaceted role of this redox post-translational modification. In this review article, we summarized the current state-of-the-art on the mechanism of S-nitrosylation, along with the structural and computational studies that have helped to unveil its effects and biological roles. We also discussed the need to move new steps forward especially in the direction of employing computational structural biology to address the molecular and atomistic details of S-nitrosylation. Indeed, this redox modification has been so far an underappreciated redox post-translational modification by the computational biochemistry community. In our review, we primarily focus on S-nitrosylated proteins that are attractive cancer targets due to the emerging relevance of this redox modification in a cancer setting.
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Affiliation(s)
- Emmanuelle Bignon
- Computational Biology Laboratory Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Maria Francesca Allega
- Computational Biology Laboratory Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Marta Lucchetta
- Computational Biology Laboratory Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Matteo Tiberti
- Computational Biology Laboratory Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Elena Papaleo
- Computational Biology Laboratory Danish Cancer Society Research Center, Copenhagen, Denmark.,Translational Disease Systems Biology, Faculty of Health and Medical Sciences, Novo Nordisk Foundation Center for Protein Research University of Copenhagen, Copenhagen, Denmark
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Keshet R, Erez A. Arginine and the metabolic regulation of nitric oxide synthesis in cancer. Dis Model Mech 2018; 11:11/8/dmm033332. [PMID: 30082427 PMCID: PMC6124554 DOI: 10.1242/dmm.033332] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Nitric oxide (NO) is a signaling molecule that plays important roles in diverse biological processes and thus its dysregulation is involved in the pathogenesis of various disorders. In cancer, NO has broad and sometimes dichotomous roles; it is involved in cancer initiation and progression, but also restricts cancer proliferation and invasion, and contributes to the anti-tumor immune response. The importance of NO in a range of cellular processes is exemplified by its tight spatial and dosage control at multiple levels, including via its transcriptional, post-translational and metabolic regulation. In this Review, we focus on the regulation of NO via the synthesis and availability of its precursor, arginine, and discuss the implications of this metabolic regulation for cancer biology and therapy. Despite the established contribution of NO to cancer pathogenesis, the implementation of NO-related cancer therapeutics remains limited, likely due to the challenge of targeting and inducing its protective functions in a cell- and dosage-specific manner. A better understanding of how arginine regulates the production of NO in cancer might thus support the development of anti-cancer drugs that target this key metabolic pathway, and other metabolic pathways involved in NO production.
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Affiliation(s)
- Rom Keshet
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Ayelet Erez
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot 7610001, Israel
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Protein phosphatase 2A activation mechanism contributes to JS-K induced caspase-dependent apoptosis in human hepatocellular carcinoma cells. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:142. [PMID: 29986744 PMCID: PMC6038275 DOI: 10.1186/s13046-018-0823-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Accepted: 07/03/2018] [Indexed: 12/11/2022]
Abstract
Background JS-K is a nitric oxide (NO) donor and could generate intracellularly high levels of NO. The study explores PP2A as a tumor suppressor is a major determinant mediating JS-K-caused apoptosis in human hepatocellular carcinoma (HCC) cells. Methods The human HCC cell lines (PLC5, Huh-7, Bel-7402, SMMC-7721 and HepG2) were used to assess effects of JS-K on cell viability, apoptosis induction and PP2A activation. Effects of JS-K on cell morphology, mitochondrial membrane potential, apoptosis and NO levels were determined in HCC cells expressing PP2A. Simultaneously, the expression of PP2A family including PP2A-A(α/β), PP2A-B55, PP2A-C(α/β) and the substrates of PP2A, such as β-catenin, c-Myc and p-Bcl-2 (Ser70) were detected in sensitive HCC cells. Furthermore, the role of NO in mediating the expression of PP2A was further validated with Z-VAD-FMK (a caspase inhibitor), Carboxy-PTIO (a NO scavenger), okadaic acid (OA, a PP2A inhibitor) and FTY720 (a PP2A agonist) in JS-K treated cells. In addition, the genetic manuplation of PP2A including overexpression and knockdown have been also performed in JS-K treated cells. Moreover, the rat model of primary hepatic carcinoma was established with diethylnitrosamine for 16 weeks to verify the anti-tumor effects of JS-K in vivo. Immunohistochemical and Western blot analysis were used to determine the expression of proteins in rat primary hepatic carcinoma tissues. Results JS-K significantly inhibited cell proliferation, increased apoptosis rate and activated PP2A activity in five HCC cells viability, especially SMMC7721 and HepG2 cells. It was characterized by loss of mitochondrial membrane potential, significant externalization of phosphatidylserine, nuclear morphological changes. Moreover, JS-K enhanced Bax-to-Bcl-2 ratio, released cytochrome c (Cyt c) from mitochondria, activated cleaved-caspase-9/3 and the cleavage of PARP, and decreased the expression of X-linked inhibitor of apoptosis protein (XIAP). Both Z-VAD-FMK and Carboxy-PTIO suppressed the activation of cleaved-caspase-9/3 and of cleaved-PARP in JS-K-treated sensitive HCC cells. Simultaneously, JS-K treatment could lead to the activation of protein phosphatase 2A-C (PP2A-C) but not PP2A-A and PP2A-B55, which subsequently inactivated and dephosphorylated the PP2A substrates including β-catenin, c-Myc, and p-Bcl-2 (Ser70). However, silencing PP2A-C could abolish both the activation of PP2A-C and down-regulation of β-catenin, c-Myc and p-Bcl-2 (Ser70) in sensitive HCC cells. Conversely, PP2A overexpression could enhance the effects of JS-K on activation of PP2A and down-regulation of β-catenin, c-Myc and p-Bcl-2 (Ser70). In addition, adding okadaic acid (OA), a PP2A inhibitor, abolished the effects of JS-K on apoptosis induction, PP2A activation and the substrates of PP2A dephosphorylation; FTY720, a PP2A agonist, enhanced the effects of JS-K including apoptosis induction, PP2A activation and the substrates of PP2A dephosphorylation. The mice exhibited a lower number and smaller tumor nodules in response to JS-K-treated group. A marked increase in the number of hepatocytes with PCNA-positive nuclei (proliferating cells) was evident in DEN group and tended to decrease with JS-K treatment. Furthermore, JS-K treatment could induce PP2A activation and the substrates of PP2A inactivation such as β-catenin, c-Myc and p-Bcl-2(Ser70) in DEN-induced hepatocarcinogenesis. Conclusions High levels of NO released from JS-K induces a caspase-dependent apoptosis through PP2A activation.
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Rabender CS, Bruno N, Alam A, Sundaresan G, Zweit J, Mikkelsen RB. Sepiapterin Enhances Tumor Radio- and Chemosensitivities by Promoting Vascular Normalization. J Pharmacol Exp Ther 2018; 365:536-543. [PMID: 29581154 PMCID: PMC11046730 DOI: 10.1124/jpet.117.245258] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 02/26/2018] [Indexed: 12/22/2022] Open
Abstract
Previously, we demonstrated that nitric oxide (NO) synthase (NOS) is uncoupled in a wide range of solid tumors and that restoring NOS coupling with the tetrahydrobiopterin precursor sepiapterin (SP) inhibits tumor progression. Endothelial dysfunction characterizes the poorly functional vasculature of solid tumors, and since NO is critical for regulation of endothelial function we asked whether SP, by recoupling NOS, improves tumor vasculature structure and function-enhancing chemotherapeutic delivery and response to radiotherapy. MMTV-neu mice with spontaneous breast tumors were treated with SP by oral gavage and evaluated by multispectral optoacoustic tomographic analysis of tumor HbO2 and by tissue staining for markers of hypoxia, blood perfusion, and markers of endothelial and smooth muscle proteins. Recoupling tumor NOS activity results in vascular normalization observed as reduced tumor hypoxia, improved tumor percentage of HbO2 and perfusion, as well as increased pericyte coverage of tumor blood vessels. The normalized vasculature and improved tumor oxygenation led to a greater than 2-fold increase in radiation-induced apoptosis compared with radiation or SP alone. High-performance liquid chromatography analysis of tumor doxorubicin levels showed a greater than 50% increase in doxorubicin uptake and a synergistic effect on tumor cell apoptosis. This study highlights for the first time the importance of NOS uncoupling and endothelial dysfunction in the development of tumor vasculature and presents a new approach for improving the tumoricidal efficacies of chemotherapy and radiotherapy.
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Affiliation(s)
- Christopher S Rabender
- Department of Radiation Oncology (C.S.R., N.B., A.A., R.B.M.) and Center for Molecular Imaging (G.S., J.Z.), Virginia Commonwealth University, Richmond, Virginia
| | - Ninu Bruno
- Department of Radiation Oncology (C.S.R., N.B., A.A., R.B.M.) and Center for Molecular Imaging (G.S., J.Z.), Virginia Commonwealth University, Richmond, Virginia
| | - Asim Alam
- Department of Radiation Oncology (C.S.R., N.B., A.A., R.B.M.) and Center for Molecular Imaging (G.S., J.Z.), Virginia Commonwealth University, Richmond, Virginia
| | - Gobalakrishnan Sundaresan
- Department of Radiation Oncology (C.S.R., N.B., A.A., R.B.M.) and Center for Molecular Imaging (G.S., J.Z.), Virginia Commonwealth University, Richmond, Virginia
| | - Jamal Zweit
- Department of Radiation Oncology (C.S.R., N.B., A.A., R.B.M.) and Center for Molecular Imaging (G.S., J.Z.), Virginia Commonwealth University, Richmond, Virginia
| | - Ross B Mikkelsen
- Department of Radiation Oncology (C.S.R., N.B., A.A., R.B.M.) and Center for Molecular Imaging (G.S., J.Z.), Virginia Commonwealth University, Richmond, Virginia
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McCrudden CM, McBride JW, McCaffrey J, McErlean EM, Dunne NJ, Kett VL, Coulter JA, Robson T, McCarthy HO. Gene therapy with RALA/iNOS composite nanoparticles significantly enhances survival in a model of metastatic prostate cancer. Cancer Nanotechnol 2018; 9:5. [PMID: 29899810 PMCID: PMC5982451 DOI: 10.1186/s12645-018-0040-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Accepted: 05/19/2018] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Recent approvals of gene therapies by the FDA and the EMA for treatment of inherited disorders have further opened the door for assessment of nucleic acid pharmaceuticals for clinical usage. Arising from the presence of damaged or inappropriate DNA, cancer is a condition particularly suitable for genetic intervention. The RALA peptide has been shown to be a potent non-viral delivery platform for nucleic acids. This study examines the use of RALA to deliver a plasmid encoding inducible nitric oxide synthase (iNOS) as an anti-cancer treatment. METHODS The physiochemical properties of the RALA/DNA nanoparticles were characterized via dynamic light scattering and transmission electron microscopy. The nanoparticles were labelled with fluorophores and tracked over time using confocal microscopy with orthogonal sections to determine cellular location. In vitro studies were employed to determine functionality of the nanoparticles both for pEGFP-N1 and CMV-iNOS. Nanoparticles were injected intravenously into C57/BL6 mice with blood and serum samples analysed for immune response. PC3-luc2M cells were injected into the left ventricle of SCID mice followed by treatment with RALA/CMV-iNOS nanoparticles to evaluate the tumour response in a metastatic model of prostate cancer. RESULTS Functional cationic nanoparticles were produced with gene expression in PC-3 prostate cancer cells. Furthermore, repeated administrations of RALA/DNA nanoparticles into immunocompetent mice did not produce any immunological response: neutralization of the vector or release of inflammatory mediators. RALA/CMV-iNOS reduced the clonogenicity of PC-3 cells in vitro, and in an in vivo model of prostate cancer metastasis, systemically delivered RALA/CMV-iNOS significantly improved the survival of mice. CONCLUSION These studies further validate RALA as a genetic cargo delivery vehicle and iNOS as a potent therapy for the treatment of cancer.
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Affiliation(s)
- Cian M. McCrudden
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT9 7BL Northern Ireland, UK
| | - John W. McBride
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT9 7BL Northern Ireland, UK
| | - Joanne McCaffrey
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT9 7BL Northern Ireland, UK
| | - Emma M. McErlean
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT9 7BL Northern Ireland, UK
| | - Nicholas J. Dunne
- School of Mechanical and Manufacturing Engineering, Dublin City University, Dublin, Ireland
| | - Vicky L. Kett
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT9 7BL Northern Ireland, UK
| | - Jonathan A. Coulter
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT9 7BL Northern Ireland, UK
| | - Tracy Robson
- Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, 123 St Stephen’s Green, Dublin 2, Ireland
| | - Helen O. McCarthy
- School of Pharmacy, Queen’s University Belfast, 97 Lisburn Road, Belfast, BT9 7BL Northern Ireland, UK
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42
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Liu L, Huang Z, Chen J, Wang J, Wang S. Protein phosphatase 2A mediates JS-K-induced apoptosis by affecting Bcl-2 family proteins in human hepatocellular carcinoma HepG2 cells. J Cell Biochem 2018; 119:6633-6643. [PMID: 29693750 DOI: 10.1002/jcb.26845] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 03/09/2018] [Indexed: 12/18/2022]
Abstract
Protein phosphatase 2A (PP2A) is an important enzyme within various signal transduction pathways. The present study was investigated PP2A mediates JS-K-induced apoptosis by affecting Bcl-2 family protein. JS-K showed diverse inhibitory effects in five HCC cell lines, especially HepG2 cells. JS-K caused a dose- and time-dependent reduction in cell viability and increased in levels of LDH release. Meanwhile, JS-K- induced apoptosis was characterized by mitochondrial membrane potential reduction, Hoechst 33342+ /PI+ dual staining, release of cytochrome c (Cyt c), and activation of cleaved caspase-9/3. Moreover, JS-K-treatment could lead to the activation of protein phosphatase 2A-C (PP2A-C), decrease of anti-apoptotic Bcl-2 family-protein expression including p-Bcl-2 (Ser70), Bcl-2, Bcl-xL, and Mcl-1 as well as the increase of pro-apoptosis Bcl-2 family-protein including Bim, Bad, Bax, and Bak. Furthermore, JS-K caused a marked increase of intracellular NO levels while pre-treatment with Carboxy-PTIO (a NO scavenger) reduced the cytotoxicity effects and the apoptosis rate. Meanwhile, pre-treatment with Carboxy-PTIO attenuated the JS-K-induced up-regulation of PP2A, Cyt c, and cleaved-caspase-9/3 activation. The silencing PP2A-C by siRNA could abolish the activation of PP2A-C, down-regulation of anti-apoptotic Bcl-2 family-protein (p-Bcl-2, Bcl-2, Bcl-xL, and Mcl-1), increase of pro-apoptosis Bcl-2 family-protein (Bim, Bad, Bax, and Bak) and apoptotic-related protein (Cyt c, cleaved caspase-9/3) that were caused by JS-K in HepG2 cells. In addition, pre-treatment with OA (a PP2A inhibitor) also attenuated the above effects induced by JS-K. In summary, NO release from JS-K induces apoptosis through PP2A activation, which contributed to the regulation of Bcl-2 family proteins.
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Affiliation(s)
- Ling Liu
- Department of Pharmacy, Medical College, Henan University of Science and Technology, Luoyang, China
| | - Zile Huang
- Department of Pharmacy, Medical College, Henan University of Science and Technology, Luoyang, China
| | - Jingjing Chen
- Department of Pharmacy, Medical College, Henan University of Science and Technology, Luoyang, China
| | - Jiangang Wang
- Department of Pharmacy, Medical College, Henan University of Science and Technology, Luoyang, China
| | - Shuying Wang
- Department of Pharmacy, Medical College, Henan University of Science and Technology, Luoyang, China
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43
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Pham TN, Liagre B, Girard-Thernier C, Demougeot C. Research of novel anticancer agents targeting arginase inhibition. Drug Discov Today 2018; 23:871-878. [DOI: 10.1016/j.drudis.2018.01.046] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 12/21/2017] [Accepted: 01/22/2018] [Indexed: 01/01/2023]
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44
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Booth L, Roberts JL, Poklepovic A, Gordon S, Dent P. PDE5 inhibitors enhance the lethality of pemetrexed through inhibition of multiple chaperone proteins and via the actions of cyclic GMP and nitric oxide. Oncotarget 2018; 8:1449-1468. [PMID: 27903966 PMCID: PMC5352068 DOI: 10.18632/oncotarget.13640] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Accepted: 11/15/2016] [Indexed: 12/19/2022] Open
Abstract
Phosphodiesterase 5 (PDE5) inhibitors prevent the breakdown of cGMP that results in prolonged protein kinase G activation and the generation of nitric oxide. PDE5 inhibitors enhanced the anti-NSCLC cell effects of the NSCLC therapeutic pemetrexed. [Pemetrexed + sildenafil] activated an eIF2α – ATF4 – CHOP – Beclin1 pathway causing formation of toxic autophagosomes; activated a protective IRE1 – XBP-1 – chaperone induction pathway; and activated a toxic eIF2α – CHOP – DR4 / DR5 / CD95 induction pathway. [Pemetrexed + sildenafil] reduced the expression of c-FLIP-s, MCL-1 and BCL-XL that was blocked in a cell-type -dependent fashion by either over-expression of HSP90 / GRP78 / HSP70 / HSP27 or by blockade of eIF2α-CHOP signaling. Knock down of PKGI/II abolished the ability of sildenafil to enhance pemetrexed toxicity whereas pan-inhibition of NOS using L-NAME or knock down of [iNOS + eNOS] only partially reduced the lethal drug interaction. Pemetrexed reduced the ATPase activities of HSP90 and HSP70 in an ATM-AMPK-dependent fashion that was enhanced by sildenafil signaling via PKGI/II. The drug combination activated an ATM-AMPK-TSC2 pathway that was associated with reduced mTOR S2448 and ULK-1 S757 phosphorylation and increased ULK-1 S317 and ATG13 S318 phosphorylation. These effects were prevented by chaperone over-expression or by expression of an activated form of mTOR that prevented autophagosome formation and reduced cell killing. In two models of NSCLC, sildenafil enhanced the ability of pemetrexed to suppress tumor growth. Collectively we argue that the combination of [pemetrexed + PDE5 inhibitor] should be explored in a new NSCLC phase I trial.
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Affiliation(s)
- Laurence Booth
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, VA 23298-0035, USA
| | - Jane L Roberts
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, VA 23298-0035, USA
| | - Andrew Poklepovic
- Department of Medicine, Virginia Commonwealth University, Richmond, VA 23298-0035, USA
| | - Sarah Gordon
- Department of Medicine, Virginia Commonwealth University, Richmond, VA 23298-0035, USA
| | - Paul Dent
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, VA 23298-0035, USA
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45
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Zhang L, Hou S, Li B, Pan J, Jiang L, Zhou G, Gu H, Zhao C, Lu H, Ma F. Combination of betulinic acid with diazen-1-ium-1,2-diolate nitric oxide moiety donating a novel anticancer candidate. Onco Targets Ther 2018; 11:361-373. [PMID: 29391813 PMCID: PMC5774489 DOI: 10.2147/ott.s154412] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Background Betulinic acid (BA) is a complex lupane triterpenoid with unique antineoplastic activity. However, its antiproliferative activity is far from satisfaction. In order to improve its anticancer efficacy, betulinic acid was conjugated with a nitric oxide (NO)-releasing moiety to get a novel hybrid, BA-78. Methods The antiproliferative activity of BA-78 against 6 cell lines and the ability of releasing nitric oxide were determined. The pro-apoptosis mechanism of BA-78 was investigated as well. Results BA-78 exhibited time-dependent release of NO, and it displayed higher antiproliferative potential than BA through increasing apoptosis and inducing cell cycle arrest at G1 phase. Western blotting results showed that BA-78 increased the expression of Bax, Bid, Bad and cytochrome C and reduced the level of anti-apoptosis proteins including Bcl-2 and Bcl-xl. Conclusion Our study revealed that novel compound BA-78, possessing betulinic acid and nitric oxide (NO)-releasing moiety, could be developed as an antitumor agent.
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Affiliation(s)
- Laiyin Zhang
- Department of Pharmacy, Linyi People's Hospital, Linyi
| | - Shuangxing Hou
- Department of Neurology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center
| | - Bo Li
- Department of Hand Surgery, Huashan Hospital, Fudan University
| | - Jianjian Pan
- Department of General Medicine, Fudan University
| | - Liping Jiang
- Department of Physiology and Pathophysiology, Shanghai Medical College, Fudan University
| | - Guiying Zhou
- Department of Neurology, Shanghai Pudong Hospital, Fudan University Pudong Medical Center
| | - Hong Gu
- Department of Pharmacy, Pudong Hospital, Fudan University, Shanghai, China
| | - Caixing Zhao
- Department of Pharmacy, Pudong Hospital, Fudan University, Shanghai, China
| | - Huiping Lu
- Department of Pharmacy, Pudong Hospital, Fudan University, Shanghai, China
| | - Fenfen Ma
- Department of Pharmacy, Pudong Hospital, Fudan University, Shanghai, China
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46
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Booth L, Roberts JL, Poklepovic A, Dent P. PDE5 inhibitors enhance the lethality of [pemetrexed + sorafenib]. Oncotarget 2017; 8:13464-13475. [PMID: 28088782 PMCID: PMC5355112 DOI: 10.18632/oncotarget.14562] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 01/02/2017] [Indexed: 01/02/2023] Open
Abstract
The combination of pemetrexed and sorafenib has significant clinical activity against a wide variety of tumor types in patients and the present studies were performed to determine whether sildenafil enhances the killing potential of [pemetrexed + sorafenib]. In multiple genetically diverse lung cancer cell lines, sildenafil enhanced the lethality of [pemetrexed + sorafenib]. The three-drug combination reduced the activities of AKT, mTOR and STAT transcription factors; increased the activities of eIF2α and ULK-1; lowered the expression of MCL-1, BCL-XL, thioredoxin and SOD2; and increased the expression of Beclin1. Enhanced cell killing by sildenafil was blocked by inhibition of death receptor signaling and autophagosome formation. Enforced activation of STAT3 and AKT or inhibition of JNK significantly reduced cell killing. The enhanced cell killing caused by sildenafil was more reliant on increased PKG signaling than on the generation of nitric oxide. In vivo sildenafil enhanced the anti-tumor properties of [pemetrexed + sorafenib]. Based on our data we argue that additional clinical studies combining pemetrexed, sorafenib and sildenafil are warranted.
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Affiliation(s)
- Laurence Booth
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, VA 23298-0035, USA
| | - Jane L Roberts
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, VA 23298-0035, USA
| | - Andrew Poklepovic
- Department of Biochemistry and Medicine, Virginia Commonwealth University, Richmond, VA 23298-0035, USA
| | - Paul Dent
- Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, VA 23298-0035, USA
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47
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McCrudden CM, McBride JW, McCaffrey J, Ali AA, Dunne NJ, Kett VL, Coulter JA, Robson T, McCarthy HO. Systemic RALA/iNOS Nanoparticles: A Potent Gene Therapy for Metastatic Breast Cancer Coupled as a Biomarker of Treatment. MOLECULAR THERAPY. NUCLEIC ACIDS 2017; 6:249-258. [PMID: 28325291 PMCID: PMC5363505 DOI: 10.1016/j.omtn.2016.12.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Revised: 12/08/2016] [Accepted: 12/08/2016] [Indexed: 01/12/2023]
Abstract
This study aimed to determine the therapeutic benefit of a nanoparticular formulation for the delivery of inducible nitric oxide synthase (iNOS) gene therapy in a model of breast cancer metastasis. Nanoparticles comprising a cationic peptide vector, RALA, and plasmid DNA were formulated and characterized using a range of physiochemical analyses. Nanoparticles complexed using iNOS plasmids and RALA approximated 60 nm in diameter with a charge of 25 mV. A vector neutralization assay, performed to determine the immunogenicity of nanoparticles in immunocompetent C57BL/6 mice, revealed that no vector neutralization was evident. Nanoparticles harboring iNOS plasmids (constitutively active cytomegalovirus [CMV]-driven or transcriptionally regulated human osteocalcin [hOC]-driven) evoked iNOS protein expression and nitrite accumulation and impaired clonogenicity in the highly aggressive MDA-MB-231 human breast cancer model. Micrometastases of MDA-MB-231-luc-D3H1 cells were established in female BALB/c SCID mice by intracardiac delivery. Nanoparticulate RALA/CMV-iNOS or RALA/hOC-iNOS increased median survival in mice bearing micrometastases by 27% compared with controls and also provoked elevated blood nitrite levels. Additionally, iNOS gene therapy sensitized MDA-MB-231-luc-D3H1 tumors to docetaxel treatment. Studies demonstrated that systemically delivered RALA-iNOS nanoparticles have therapeutic potential for the treatment of metastatic breast cancer. Furthermore, detection of nitrite levels in the blood serves as a reliable biomarker of treatment.
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Affiliation(s)
- Cian M McCrudden
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland
| | - John W McBride
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland
| | - Joanne McCaffrey
- Department of Pharmacology and Therapeutics, University College Cork, Cork T12 YN60, Ireland
| | - Ahlam A Ali
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland
| | - Nicholas J Dunne
- School of Mechanical and Manufacturing Engineering, Dublin City University, Dublin 9, Ireland
| | - Vicky L Kett
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland
| | - Jonathan A Coulter
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland
| | - Tracy Robson
- Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland
| | - Helen O McCarthy
- School of Pharmacy, Queen's University Belfast, 97 Lisburn Road, Belfast BT9 7BL, Northern Ireland.
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48
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Wilson A, Yakovlev VA. Cells redox environment modulates BRCA1 expression and DNA homologous recombination repair. Free Radic Biol Med 2016; 101:190-201. [PMID: 27771433 DOI: 10.1016/j.freeradbiomed.2016.10.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 10/18/2016] [Accepted: 10/18/2016] [Indexed: 12/12/2022]
Abstract
Cancer development and progression have been linked to oxidative stress, a condition characterized by unbalanced increase in ROS and RNS production. The main endogenous initiators of the redox imbalance in cancer cells are defective mitochondria, elevated NOX activity, and uncoupled NOS3. Traditionally, most attention has been paid to direct oxidative damage to DNA by certain ROS. However, increase in oxidative DNA lesions does not always lead to malignancy. Hence, additional ROS-dependent, pro-carcinogenic mechanisms must be important. Our recent study demonstrated that Tyr nitration of PP2A stimulates its activity and leads to downregulation of BRCA1 expression. This provides a mechanism for chromosomal instability essential for tumor progression. In the present work, we demonstrated that inhibition of ROS production by generating mitochondrial-electron-transport-deficient cell lines (ρ0 cells) or by inhibition of NOX activity with a selective peptide inhibitor significantly reduced PP2A Tyr nitration and its activity in different cancer cell lines. As a result of the decreased PP2A activity, BRCA1 expression was restored along with a significantly enhanced level of DNA HRR. We used TCGA database to analyze the correlation between expressions of the NOX regulatory subunits, NOS isoforms, and BRCA1 in the 3 cancer research studies: breast invasive carcinoma, ovarian cystadenocarcinoma, and lung adenocarcinoma. TCGA database analysis demonstrated that the high expression levels of most of the NOX regulatory subunits responsible for stimulation of NOX1-NOX4 were associated with significant downregulation of BRCA1 expression.
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MESH Headings
- A549 Cells
- Adenocarcinoma/genetics
- Adenocarcinoma/metabolism
- Adenocarcinoma/pathology
- Adenocarcinoma of Lung
- Breast Neoplasms/genetics
- Breast Neoplasms/metabolism
- Breast Neoplasms/pathology
- Carcinoma, Ductal, Breast/genetics
- Carcinoma, Ductal, Breast/metabolism
- Carcinoma, Ductal, Breast/pathology
- Chromosomal Instability
- Cystadenocarcinoma, Serous/genetics
- Cystadenocarcinoma, Serous/metabolism
- Cystadenocarcinoma, Serous/pathology
- Databases, Genetic
- Electron Transport
- Female
- Gene Expression Regulation, Neoplastic
- Humans
- Isoenzymes/genetics
- Isoenzymes/metabolism
- Lung Neoplasms/genetics
- Lung Neoplasms/metabolism
- Lung Neoplasms/pathology
- MCF-7 Cells
- Mitochondria/metabolism
- Mitochondria/pathology
- NADPH Oxidase 1/genetics
- NADPH Oxidase 1/metabolism
- Nitric Oxide Synthase Type III/genetics
- Nitric Oxide Synthase Type III/metabolism
- Ovarian Neoplasms/genetics
- Ovarian Neoplasms/metabolism
- Ovarian Neoplasms/pathology
- Oxidation-Reduction
- Oxidative Stress
- Phosphoprotein Phosphatases/genetics
- Phosphoprotein Phosphatases/metabolism
- Reactive Oxygen Species/metabolism
- Recombinational DNA Repair
- Signal Transduction
- Ubiquitin-Protein Ligases/genetics
- Ubiquitin-Protein Ligases/metabolism
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Affiliation(s)
- Aaron Wilson
- Department of Radiation Oncology, Massey Cancer Center, Virginia Commonwealth University, 401 College Street, Richmond, VA 23298, United States
| | - Vasily A Yakovlev
- Department of Radiation Oncology, Massey Cancer Center, Virginia Commonwealth University, 401 College Street, Richmond, VA 23298, United States.
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49
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Liu X, Liu S, Liang G. Fluorescence turn-on for the highly selective detection of nitric oxide in vitro and in living cells. Analyst 2016; 141:2600-5. [DOI: 10.1039/c6an00110f] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A water-soluble, biocompatible, small molecular fluorescent turn-on probe was developed for the highly selective and sensitive detection of NO in vitro and in living cells.
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Affiliation(s)
- Xiaomei Liu
- CAS Key Laboratory of Soft Matter Chemistry
- National Synchrotron Radiation Laboratory
- Department of Chemistry
- University of Science and Technology of China
- Hefei
| | - Shuang Liu
- CAS Key Laboratory of Soft Matter Chemistry
- National Synchrotron Radiation Laboratory
- Department of Chemistry
- University of Science and Technology of China
- Hefei
| | - Gaolin Liang
- CAS Key Laboratory of Soft Matter Chemistry
- National Synchrotron Radiation Laboratory
- Department of Chemistry
- University of Science and Technology of China
- Hefei
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50
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Wang C, Hu Z, Zhu Z, Zhang X, Wei Z, Zhang Y, Hu D, Cai Q. The MSHA strain of Pseudomonas aeruginosa (PA-MSHA) inhibits gastric carcinoma progression by inducing M1 macrophage polarization. Tumour Biol 2015; 37:6913-21. [PMID: 26662800 DOI: 10.1007/s13277-015-4451-6] [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: 09/21/2015] [Accepted: 11/17/2015] [Indexed: 12/18/2022] Open
Abstract
Macrophages play crucial roles in promoting tumor development and progression. In the present study, we found that the mannose-sensitive hemagglutination pilus strain of Pseudomonas aeruginosa (PA-MSHA) was efficient in inducing M1 macrophage polarization. PA-MSHA treatment increases expression of M1-related cytokines and promotes activation of murine peritoneal macrophages (MPM). Interestingly, PA-MSHA inhibits cell proliferation and migration and induces the apoptosis of gastric carcinoma cells. These effects of PA-MSHA on M1 polarization were associated with activation of NF-κB expression. Thus, inducing polarization of M1 by PA-MSHA may be one potential strategy for inhibiting gastric carcinoma progression in mice.
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Affiliation(s)
- Changming Wang
- Gastrointestinal Surgery Department, Shanghai Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Zunqi Hu
- Gastrointestinal Surgery Department, Shanghai Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Zhenxin Zhu
- Gastrointestinal Surgery Department, Shanghai Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Xin Zhang
- Gastrointestinal Surgery Department, Shanghai Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Ziran Wei
- Gastrointestinal Surgery Department, Shanghai Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Yu Zhang
- Gastrointestinal Surgery Department, Shanghai Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Huangpu District, Shanghai, 200003, China
| | - Dali Hu
- Research and Medical Department, Beijing Wanter Bio-pharmaceutical Co., Ltd, Beijing, 101407, China
| | - Qingping Cai
- Gastrointestinal Surgery Department, Shanghai Changzheng Hospital, Second Military Medical University, No. 415 Fengyang Road, Huangpu District, Shanghai, 200003, China.
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