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Walke A, Krone C, Stummer W, König S, Suero Molina E. Protoporphyrin IX in serum of high-grade glioma patients: A novel target for disease monitoring via liquid biopsy. Sci Rep 2024; 14:4297. [PMID: 38383693 PMCID: PMC10881484 DOI: 10.1038/s41598-024-54478-y] [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: 07/24/2023] [Accepted: 02/12/2024] [Indexed: 02/23/2024] Open
Abstract
High-grade gliomas (HGG) carry a dismal prognosis. Diagnosis comprises MRI followed by histopathological evaluation of tissue; no blood biomarker is available. Patients are subjected to serial MRIs and, if unclear, surgery for monitoring of tumor recurrence, which is laborious. MRI provides only limited diagnostic information regarding the differentiation of true tumor progression from therapy-associated side effects. 5-aminolevulinic acid (5-ALA) is routinely used for induction of protoporphyrin IX (PpIX) accumulation in malignant glioma tissue, enabling improved tumor visualization during fluorescence-guided resection (FGR). We investigated whether PpIX can also serve as a serum HGG marker to monitor relapse. Patients (HGG: n = 23 primary, pHGG; n = 5 recurrent, rHGG) undergoing FGR received 5-ALA following standard clinical procedure. The control group of eight healthy volunteers (HCTR) also received 5-ALA. Serum was collected before and repeatedly up to 72 h after drug administration. Significant PpIX accumulation in HGG was observed after 5-ALA administration (ANOVA: p = 0.005, post-hoc: HCTR vs. pHGG p = 0.029, HCTR vs. rHGG p = 0.006). Separation of HCTR from pHGG was possible when maximum serum PpIX levels were reached (CI95% of tMax). ROC analysis of serum PpIX within CI95% of tMax showed successful classification of HCTR and pHGG (AUCROC 0.943, CI95% 0.884-1.000, p < 0.001); the optimal cut-off for diagnosis was 1275 pmol PpIX/ml serum, reaching 87.0% accuracy, 90.5% positive predictive and 84.0% negative predictive value. Baseline PpIX level was similar in patient and control groups. Thus, 5-ALA is required for PpIX induction, which is safe at the standard clinical dosage. PpIX is a new target for liquid biopsy in glioma. More extensive clinical studies are required to characterize its full potential.
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Affiliation(s)
- Anna Walke
- Department of Neurosurgery, University Hospital of Münster, Albert-Schweitzer-Campus 1, A1, 48149, Münster, Germany.
- Core Unit Proteomics, Interdisciplinary Centre for Clinical Research, University of Münster, Münster, Germany.
| | - Christopher Krone
- Department of Neurosurgery, University Hospital of Münster, Albert-Schweitzer-Campus 1, A1, 48149, Münster, Germany
| | - Walter Stummer
- Department of Neurosurgery, University Hospital of Münster, Albert-Schweitzer-Campus 1, A1, 48149, Münster, Germany
| | - Simone König
- Core Unit Proteomics, Interdisciplinary Centre for Clinical Research, University of Münster, Münster, Germany
| | - Eric Suero Molina
- Department of Neurosurgery, University Hospital of Münster, Albert-Schweitzer-Campus 1, A1, 48149, Münster, Germany.
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2
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Lin S, Ota U, Imazato H, Takahashi K, Ishizuka M, Osaki T. In vitro evaluation of the efficacy of photodynamic therapy using 5-ALA on homologous feline mammary tumors in 2D and 3D culture conditions and a mouse subcutaneous model with 3D cultured cells. Photodiagnosis Photodyn Ther 2024; 45:103993. [PMID: 38280675 DOI: 10.1016/j.pdpdt.2024.103993] [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: 10/31/2023] [Revised: 01/23/2024] [Accepted: 01/24/2024] [Indexed: 01/29/2024]
Abstract
BACKGROUND Numerous studies have shown that photodynamic therapy (PDT) has a therapeutic effect on mammary tumor cells, with 5-aminolevulinic acid (5-ALA-HCL) being a commonly used photosensitizer for PDT. Feline mammary tumors (FMTs) are relatively common. However, the cytotoxic and antitumor effects of 5-ALA-PDT on FMTs have not been clarified. To this end, we evaluated the therapeutic effect of 5-ALA-PDT on FMTs through in vitro experiments using an FMT FKR cell line established for this study. METHODS We performed 5-ALA-PDT in 2D-cultured FKR-A (adherent cells) and 3D-cultured FKR-S (spheroid cells) cells and performed a series of studies to evaluate the cell viability and determine the protoporphyrin IX (PpIX) content in the cells as well as the expression levels of mRNAs associated with PpIX production and release. An in vivo study was performed to assess the effectiveness of 5-ALA-PDT. RESULTS There was a significant difference in the concentration of PpIX in FMT cells under different incubation culture modes (2D versus 3D culture). The concentration of PpIX in FMT cells was correlated with the differences in cell culture (2D and 3D) as well as the expression levels of genes such as PEPT1, PEPT2, FECH, and HO-1. CONCLUSIONS In the in vitro study, 5-ALA-PDT had a stronger inhibitory effect on 3D-cultured FKR-S cells, which resemble the internal environment of organisms more closely. We also observed a significant inhibitory effect of 5-ALA-PDT on FMT cells in vivo. To our knowledge, this is the first study on 5-ALA-PDT for FMTs under both 2D and 3D conditions.
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Affiliation(s)
- Siyao Lin
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, 4-101 Koyama-Minami, Tottori 680-8553, Japan
| | - Urara Ota
- SBI Pharmaceuticals Co., Ltd., Tokyo 106-6020, Japan
| | - Hideo Imazato
- SBI Pharmaceuticals Co., Ltd., Tokyo 106-6020, Japan
| | | | | | - Tomohiro Osaki
- Joint Department of Veterinary Clinical Medicine, Faculty of Agriculture, Tottori University, 4-101 Koyama-Minami, Tottori 680-8553, Japan.
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3
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Howley R, Mansi M, Shinde J, Restrepo J, Chen B. Analysis of Renal Cell Carcinoma Cell Response to the Enhancement of 5-aminolevulinic Acid-mediated Protoporphyrin IX Fluorescence by Iron Chelator Deferoxamine †. Photochem Photobiol 2023; 99:787-792. [PMID: 35857390 PMCID: PMC10258817 DOI: 10.1111/php.13678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Accepted: 07/18/2022] [Indexed: 01/25/2023]
Abstract
As a tumor photodiagnostic agent, 5-aminolevulinic acid (ALA) is metabolized in the heme biosynthesis pathway to produce protoporphyrin IX (PpIX) with fluorescence. ALA-PpIX fluorescence was evaluated in human renal cell carcinoma (RCC) cell lines and non-tumor HK-2 cell lines. We found that extracellular PpIX level was correlated with ABCG2 activity, illustrating its importance as a PpIX efflux transporter. Extracellular PpIX was also related to the Km of ferrochelatase (FECH) that chelates PpIX with ferrous iron to form heme. The Vmax of FECH was higher in all RCC cell lines tested than in the HK-2 cell line. TCGA dataset analysis indicates a positive correlation between FECH expression and RCC patient survival. These findings suggest FECH as an important biomarker in RCC. Effects of iron chelator deferoxamine (DFO) on the enhancement of PpIX fluorescence were assessed. DFO increased intracellular PpIX in both tumor and non-tumor cells, resulting in no gain in tumor/non-tumor fluorescence ratios. DFO appeared to increase ALA-PpIX more at 1-h than at 4-h treatment. There was an inverse correlation between ALA-PpIX fluorescence and the enhancement effect of DFO. These results suggest that enhancement of ALA-PpIX by DFO may be limited by the availability of ferrous iron in mitochondria following ALA administration.
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Affiliation(s)
- Richard Howley
- Department of Pharmaceutical Sciences, Philadelphia College of Pharmacy, Saint Joseph's University, Philadelphia, PA
| | - Matthew Mansi
- Department of Pharmaceutical Sciences, Philadelphia College of Pharmacy, Saint Joseph's University, Philadelphia, PA
| | - Janhavi Shinde
- Department of Pharmaceutical Sciences, Philadelphia College of Pharmacy, Saint Joseph's University, Philadelphia, PA
| | - Juliana Restrepo
- Department of Pharmaceutical Sciences, Philadelphia College of Pharmacy, Saint Joseph's University, Philadelphia, PA
| | - Bin Chen
- Department of Pharmaceutical Sciences, Philadelphia College of Pharmacy, Saint Joseph's University, Philadelphia, PA
- Department of Radiation Oncology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA
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4
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Lu JJ, Abudukeyoumu A, Zhang X, Liu LB, Li MQ, Xie F. Heme oxygenase 1: a novel oncogene in multiple gynecological cancers. Int J Biol Sci 2021; 17:2252-2261. [PMID: 34239353 PMCID: PMC8241721 DOI: 10.7150/ijbs.61073] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 05/24/2021] [Indexed: 12/16/2022] Open
Abstract
Heme oxygenase 1 (HO-1), also known as heat shock protein 32 (HSP32), is a stress-inducible enzyme. In the past, it was believed to participate in maintaining cell homeostasis, reducing oxidative stress damage and exerting anti-apoptotic effects. When exposed to noxious stimulation, the expression of HO-1 in the body will increase, antagonizing these oxidative stresses and protecting our bodies. Recently, many studies showed that HO-1 was also highly-expressed in multiple gynecological cancers (such as ovarian cancer, cervical cancer and endometrial cancer), suggesting that it should be closely related to cell proliferation, metastasis, immune regulation and angiogenesis as an oncogene. This review summarizes the different effects of HO-1 under normal and diseased conditions with a brief discussion of its implications on the diagnosis and treatment of gynecological cancers, aiming to provide a new clue for prevention and treatment of diseases.
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Affiliation(s)
- Jia-Jing Lu
- Medical Center of Diagnosis and Treatment for Cervical Diseases, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200011, People's Republic of China
- Laboratory for Reproductive Immunology, NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Ayitila Abudukeyoumu
- Medical Center of Diagnosis and Treatment for Cervical Diseases, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200011, People's Republic of China
| | - Xing Zhang
- Medical Center of Diagnosis and Treatment for Cervical Diseases, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200011, People's Republic of China
| | - Li-Bing Liu
- Department of Gynecology, Changzhou No.2 People's Hospital, affiliated with Nanjing Medical University, Changzhou, Jiangsu Province, 213003, People's Republic of China
| | - Ming-Qing Li
- Laboratory for Reproductive Immunology, NHC Key Lab of Reproduction Regulation (Shanghai Institute of Planned Parenthood Research), Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
| | - Feng Xie
- Medical Center of Diagnosis and Treatment for Cervical Diseases, Obstetrics and Gynecology Hospital of Fudan University, Shanghai 200011, People's Republic of China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, People's Republic of China
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5
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Sasaki M, Tanaka M, Ichikawa H, Suzuki T, Nishie H, Ozeki K, Shimura T, Kubota E, Tanida S, Kataoka H. 5-aminolaevulinic acid (5-ALA) accumulates in GIST-T1 cells and photodynamic diagnosis using 5-ALA identifies gastrointestinal stromal tumors (GISTs) in xenograft tumor models. PLoS One 2021; 16:e0249650. [PMID: 33826667 PMCID: PMC8026038 DOI: 10.1371/journal.pone.0249650] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Accepted: 03/23/2021] [Indexed: 12/15/2022] Open
Abstract
Gastrointestinal stromal tumor (GIST) diagnosis using conventional gastrointestinal endoscopy is difficult because such malignancies cannot be distinguished from other types of submucosal tumors. Photodynamic diagnosis (PDD) is based on the preferential uptake of photosensitizers by tumor tissues and its detection by fluorescence emission upon laser excitation. In this study, we investigated whether PDD using 5-aminolevulinic acid (5-ALA), a standard photosensitizer used worldwide, could be used for GIST diagnosis. 5-ALA is metabolized to endogenous fluorescent protoporphyrin IX (PpIX). We examined the accumulation of PpIX in GIST-T1 cells using flow cytometry and immunofluorescent staining. Furthermore, we established GIST-T1 xenograft mouse models and examined PpIX accumulation in the resultant tumors. PpIX accumulated in GIST-T1 cells and was localized mainly to lysosomes. PpIX accumulation was also observed in murine xenograft tumors. Moreover, tumor and normal tissues could be distinctly identified by relative PpIX fluorescence. Thus, our results demonstrated that PDD with 5-ALA has substantial clinical potential for GIST diagnosis.
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Affiliation(s)
- Makiko Sasaki
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi, Japan
| | - Mamoru Tanaka
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi, Japan
| | - Hiroshi Ichikawa
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi, Japan
| | - Taketo Suzuki
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi, Japan
| | - Hirotada Nishie
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi, Japan
| | - Keiji Ozeki
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi, Japan
| | - Takaya Shimura
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi, Japan
| | - Eiji Kubota
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi, Japan
| | - Satoshi Tanida
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi, Japan
| | - Hiromi Kataoka
- Department of Gastroenterology and Metabolism, Nagoya City University Graduate School of Medical Science, Nagoya, Aichi, Japan
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6
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Kitajima Y, Ishii T, Kohda T, Ishizuka M, Yamazaki K, Nishimura Y, Tanaka T, Dan S, Nakajima M. Mechanistic study of PpIX accumulation using the JFCR39 cell panel revealed a role for dynamin 2-mediated exocytosis. Sci Rep 2019; 9:8666. [PMID: 31209282 PMCID: PMC6572817 DOI: 10.1038/s41598-019-44981-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 05/29/2019] [Indexed: 12/21/2022] Open
Abstract
5-aminolevulinic acid (5-ALA) has recently been employed for photodynamic diagnosis (ALA-PDD) and photodynamic therapy (ALA-PDT) of various types of cancer because hyperproliferating tumor cells do not utilize oxidative phosphorylation and do not efficiently produce heme; instead, they accumulate protoporphyrin IX (PpIX), which is a precursor of heme that is activated by violet light irradiation that results in the production of red fluorescence and singlet oxygen. The efficiencies of ALA-PDD and ALA-PDT depend on the efficient cellular uptake of 5-ALA and the inefficient excretion of PpIX. We employed the JFCR39 cell panel to determine whether tumor cells originating from different tissues can produce and accumulate PpIX. We also investigated cellular factors/molecules involved in PpIX excretion by tumor cells with the JFCR39 cell panel. Unexpectedly, the expression levels of ABCG2, which has been considered to play a major role in PpIX extracellular transport, did not show a strong correlation with PpIX excretion levels in the JFCR39 cell panel, although an ABCG2 inhibitor significantly increased intracellular PpIX accumulation in several tumor cell lines. In contrast, the expression levels of dynamin 2, which is a cell membrane-associated molecule involved in exocytosis, were correlated with the PpIX excretion levels. Moreover, inhibitors of dynamin significantly suppressed PpIX excretion and increased the intracellular levels of PpIX. This is the first report demonstrating the causal relationship between dynamin 2 expression and PpIX excretion in tumor cells.
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Affiliation(s)
| | | | | | | | - Kanami Yamazaki
- Division of Molecular Pharmacology, Cancer Chemotherapy Center, Japan Foundation for Cancer Research, Tokyo, Japan
| | - Yumiko Nishimura
- Division of Molecular Pharmacology, Cancer Chemotherapy Center, Japan Foundation for Cancer Research, Tokyo, Japan
| | | | - Shingo Dan
- Division of Molecular Pharmacology, Cancer Chemotherapy Center, Japan Foundation for Cancer Research, Tokyo, Japan.
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7
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Predina JD, Runge J, Newton A, Mison M, Xia L, Corbett C, Shin M, Sulyok LF, Durham A, Nie S, Singhal S, Holt D. Evaluation of Aminolevulinic Acid-Derived Tumor Fluorescence Yields Disparate Results in Murine and Spontaneous Large Animal Models of Lung Cancer. Sci Rep 2019; 9:7629. [PMID: 31113971 PMCID: PMC6529469 DOI: 10.1038/s41598-019-40334-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 12/28/2018] [Indexed: 11/09/2022] Open
Abstract
Fluorescence guided surgery is an emerging technology that may improve accuracy of pulmonary resection for non-small cell lung cancer (NSCLC). Herein we explore optical imaging for NSCLC surgery using the well-studied protoporphyrin IX (PPIX)/5-aminiolevulinic acid (5-ALA) system. More specifically, we evaluate fluorescent patterns observed when using (1) commonly utilized in vitro and murine NSCLC models and with (2) spontaneous canine NSCLCs, which closely mimic human disease. Using flow cytometry and fluorescent microscopy, we confirmed that NSCLC models fluoresce after exposure to 5-ALA in vitro. High levels of fluorescence were similarly observed in murine tumors within 2 hours of systemic 5-ALA delivery. When evaluating this approach in spontaneous canine NSCLC, tumor fluorescence was observed in 6 of 7 canines. Tumor fluorescence, however, was heterogenous owing to intratumoral variations in cellularity and necrosis. Margin and lymph node detection was inaccurate. These data demonstrate the importance of incorporating reliable cancer models into preclinical evaluations of optical agents. Utilization of spontaneous large animal models of cancer may further provide an important intermediate in the path to human translation of optical contrast agents.
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Affiliation(s)
- Jarrod D Predina
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA.
| | - Jeffrey Runge
- Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, Philadelphia, USA
| | - Andrew Newton
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Michael Mison
- Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, Philadelphia, USA
| | - Leilei Xia
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Christopher Corbett
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Michael Shin
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Lydia Frenzel Sulyok
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - Amy Durham
- Department of Pathobiology, University of Pennsylvania School of Veterinary Medicine, Philadelphia, USA
| | - Shuming Nie
- Departments of Biomedical Engineering and Chemistry, Emory University, Atlanta, Georgia
| | - Sunil Singhal
- Center for Precision Surgery, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, USA
| | - David Holt
- Department of Clinical Studies, University of Pennsylvania School of Veterinary Medicine, Philadelphia, USA
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8
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Dichiara M, Prezzavento O, Marrazzo A, Pittalà V, Salerno L, Rescifina A, Amata E. Recent advances in drug discovery of phototherapeutic non-porphyrinic anticancer agents. Eur J Med Chem 2017; 142:459-485. [DOI: 10.1016/j.ejmech.2017.08.070] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 08/29/2017] [Accepted: 08/31/2017] [Indexed: 12/17/2022]
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9
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Nitti M, Piras S, Marinari UM, Moretta L, Pronzato MA, Furfaro AL. HO-1 Induction in Cancer Progression: A Matter of Cell Adaptation. Antioxidants (Basel) 2017; 6:antiox6020029. [PMID: 28475131 PMCID: PMC5488009 DOI: 10.3390/antiox6020029] [Citation(s) in RCA: 145] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 04/26/2017] [Accepted: 04/29/2017] [Indexed: 02/07/2023] Open
Abstract
The upregulation of heme oxygenase-1 (HO-1) is one of the most important mechanisms of cell adaptation to stress. Indeed, the redox sensitive transcription factor Nrf2 is the pivotal regulator of HO-1 induction. Through the antioxidant, antiapoptotic, and antinflammatory properties of its metabolic products, HO-1 plays a key role in healthy cells in maintaining redox homeostasis and in preventing carcinogenesis. Nevertheless, several lines of evidence have highlighted the role of HO-1 in cancer progression and its expression correlates with tumor growth, aggressiveness, metastatic and angiogenetic potential, resistance to therapy, tumor escape, and poor prognosis, even though a tumor- and tissue-specific activity has been observed. In this review, we summarize the current literature regarding the pro-tumorigenic role of HO-1 dependent tumor progression as a promising target in anticancer strategy.
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Affiliation(s)
- Mariapaola Nitti
- Department of Experimental Medicine, University of Genoa, Via L. B. Alberti 2, Genoa 16132, Italy.
| | - Sabrina Piras
- Department of Experimental Medicine, University of Genoa, Via L. B. Alberti 2, Genoa 16132, Italy.
| | - Umberto M Marinari
- Department of Experimental Medicine, University of Genoa, Via L. B. Alberti 2, Genoa 16132, Italy.
| | - Lorenzo Moretta
- Bambino Gesù Children's Hospital, IRCCS, Piazza S. Onofrio 4, Rome 00165, Italy.
| | - Maria A Pronzato
- Department of Experimental Medicine, University of Genoa, Via L. B. Alberti 2, Genoa 16132, Italy.
| | - Anna Lisa Furfaro
- Giannina Gaslini Institute, IRCCS, Via Gerolamo Gaslini 5, Genoa 16147, Italy.
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10
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Mu A, Li M, Tanaka M, Adachi Y, Tai TT, Liem PH, Izawa S, Furuyama K, Taketani S. Enhancements of the production of bilirubin and the expression of β-globin by carbon monoxide during erythroid differentiation. FEBS Lett 2016; 590:1447-54. [PMID: 27087140 DOI: 10.1002/1873-3468.12178] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 03/28/2016] [Accepted: 03/30/2016] [Indexed: 01/27/2023]
Affiliation(s)
- Anfeng Mu
- Department of Biotechnology; Kyoto Institute of Technology; Japan
| | - Ming Li
- Unit of Research Complex; Kansai Medical University; Hirakara Osaka Japan
| | - Masakazu Tanaka
- Unit of Research Complex; Kansai Medical University; Hirakara Osaka Japan
| | | | - Tran Tien Tai
- Department of Biotechnology; Kyoto Institute of Technology; Japan
- Department of Physiology, Pathophysiology and Immunology; Pham Ngoc Thach University of Medicine; Ho Chi Minh Vietnam
| | - Pham Hieu Liem
- Department of Biotechnology; Kyoto Institute of Technology; Japan
- Department of Plastic and Aesthetic Surgery; Pham Ngoc Thach University of Medicine; Ho Chi Minh Vietnam
| | - Shingo Izawa
- Department of Biotechnology; Kyoto Institute of Technology; Japan
| | - Kazumichi Furuyama
- Department of Molecular Biochemistry; Iwate Medical University; Yahaba Iwate Japan
| | - Shigeru Taketani
- Department of Biotechnology; Kyoto Institute of Technology; Japan
- Unit of Research Complex; Kansai Medical University; Hirakara Osaka Japan
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11
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5-Aminolevulinic acid regulates the inflammatory response and alloimmune reaction. Int Immunopharmacol 2015; 37:71-78. [PMID: 26643355 DOI: 10.1016/j.intimp.2015.11.034] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Revised: 11/25/2015] [Accepted: 11/26/2015] [Indexed: 12/15/2022]
Abstract
5-Aminolevulinic acid (5-ALA) is a naturally occurring amino acid and precursor of heme and protoporphyrin IX (PpIX). Exogenously administrated 5-ALA increases the accumulation of PpIX in tumor cells specifically due to the compromised metabolism of 5-ALA to heme in mitochondria. PpIX emits red fluorescence by the irradiation of blue light and the formation of reactive oxygen species and singlet oxygen. Thus, performing a photodynamic diagnosis (PDD) and photodynamic therapy (PDT) using 5-ALA have given rise to a new strategy for tumor diagnosis and therapy. In addition to the field of tumor therapy, 5-ALA has been implicated in the treatment of inflammatory disease, autoimmune disease and transplantation due to the anti-inflammation and immunoregulation properties that are elicited with the expression of heme oxygenase (HO)-1, an inducible enzyme that catalyzes the rate-limiting step in the oxidative degradation of heme to free iron, biliverdin and carbon monoxide (CO), in combination with sodium ferrous citrate (SFC), because an inhibitor of HO-1 abolishes the effects of 5-ALA. Furthermore, NF-E2-related factor 2 (Nrf2), mitogen-activated protein kinase (MAPK), and heme are involved in the HO-1 expression. Biliverdin and CO are also known to have anti-apoptotic, anti-inflammatory and immunoregulatory functions. We herein review the current use of 5-ALA in inflammatory diseases, transplantation medicine, and tumor therapy.
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12
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Zhou X, Wang Y, Si J, Zhou R, Gan L, Di C, Xie Y, Zhang H. Laser controlled singlet oxygen generation in mitochondria to promote mitochondrial DNA replication in vitro. Sci Rep 2015; 5:16925. [PMID: 26577055 PMCID: PMC4649627 DOI: 10.1038/srep16925] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Accepted: 10/21/2015] [Indexed: 01/26/2023] Open
Abstract
Reports have shown that a certain level of reactive oxygen species (ROS) can promote mitochondrial DNA (mtDNA) replication. However, it is unclear whether it is the mitochondrial ROS that stimulate mtDNA replication and this requires further investigation. Here we employed a photodynamic system to achieve controlled mitochondrial singlet oxygen (1O2) generation. HeLa cells incubated with 5-aminolevulinic acid (ALA) were exposed to laser irradiation to induce 1O2 generation within mitochondria. Increased mtDNA copy number was detected after low doses of 630 nm laser light in ALA-treated cells. The stimulated mtDNA replication was directly linked to mitochondrial 1O2 generation, as verified using specific ROS scavengers. The stimulated mtDNA replication was regulated by mitochondrial transcription factor A (TFAM) and mtDNA polymerase γ. MtDNA control region modifications were induced by 1O2 generation in mitochondria. A marked increase in 8-Oxoguanine (8-oxoG) level was detected in ALA-treated cells after irradiation. HeLa cell growth stimulation and G1-S cell cycle transition were also observed after laser irradiation in ALA-treated cells. These cellular responses could be due to a second wave of ROS generation detected in mitochondria. In summary, we describe a controllable method of inducing mtDNA replication in vitro.
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Affiliation(s)
- Xin Zhou
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Key laboratory of Heavy Ion Radiation Biology and Medicine Institute of Nuclear Physics, Chinese Academy of Sciences.,Key laboratory of Heavy-ion Radiation Medicine of Gansu Province, Lanzhou 730000, China
| | - Yupei Wang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Key laboratory of Heavy Ion Radiation Biology and Medicine Institute of Nuclear Physics, Chinese Academy of Sciences.,Key laboratory of Heavy-ion Radiation Medicine of Gansu Province, Lanzhou 730000, China.,Graduate School of Chinese Academy of Sciences, Beijing 100039, China
| | - Jing Si
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Key laboratory of Heavy Ion Radiation Biology and Medicine Institute of Nuclear Physics, Chinese Academy of Sciences.,Key laboratory of Heavy-ion Radiation Medicine of Gansu Province, Lanzhou 730000, China
| | - Rong Zhou
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Key laboratory of Heavy Ion Radiation Biology and Medicine Institute of Nuclear Physics, Chinese Academy of Sciences.,Key laboratory of Heavy-ion Radiation Medicine of Gansu Province, Lanzhou 730000, China
| | - Lu Gan
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Key laboratory of Heavy Ion Radiation Biology and Medicine Institute of Nuclear Physics, Chinese Academy of Sciences.,Key laboratory of Heavy-ion Radiation Medicine of Gansu Province, Lanzhou 730000, China
| | - Cuixia Di
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Key laboratory of Heavy Ion Radiation Biology and Medicine Institute of Nuclear Physics, Chinese Academy of Sciences.,Key laboratory of Heavy-ion Radiation Medicine of Gansu Province, Lanzhou 730000, China
| | - Yi Xie
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Key laboratory of Heavy Ion Radiation Biology and Medicine Institute of Nuclear Physics, Chinese Academy of Sciences.,Key laboratory of Heavy-ion Radiation Medicine of Gansu Province, Lanzhou 730000, China
| | - Hong Zhang
- Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China.,Key laboratory of Heavy Ion Radiation Biology and Medicine Institute of Nuclear Physics, Chinese Academy of Sciences.,Key laboratory of Heavy-ion Radiation Medicine of Gansu Province, Lanzhou 730000, China
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13
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In vivo curative and protective potential of orally administered 5-aminolevulinic acid plus ferrous ion against malaria. Antimicrob Agents Chemother 2015; 59:6960-7. [PMID: 26324278 PMCID: PMC4604406 DOI: 10.1128/aac.01910-15] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2015] [Accepted: 08/20/2015] [Indexed: 12/30/2022] Open
Abstract
5-Aminolevulinic acid (ALA) is a naturally occurring amino acid present in diverse organisms and a precursor of heme biosynthesis. ALA is commercially available as a component of cosmetics, dietary supplements, and pharmaceuticals for cancer diagnosis and therapy. Recent reports demonstrated that the combination of ALA and ferrous ion (Fe2+) inhibits the in vitro growth of the human malaria parasite Plasmodium falciparum. To further explore the potential application of ALA and ferrous ion as a combined antimalarial drug for treatment of human malaria, we conducted an in vivo efficacy evaluation. Female C57BL/6J mice were infected with the lethal strain of rodent malaria parasite Plasmodium yoelii 17XL and orally administered ALA plus sodium ferrous citrate (ALA/SFC) as a once-daily treatment. Parasitemia was monitored in the infected mice, and elimination of the parasites was confirmed using diagnostic PCR. Treatment of P. yoelii 17XL-infected mice with ALA/SFC provided curative efficacy in 60% of the mice treated with ALA/SFC at 600/300 mg/kg of body weight; no mice survived when treated with vehicle alone. Interestingly, the cured mice were protected from homologous rechallenge, even when reinfection was attempted more than 230 days after the initial recovery, indicating long-lasting resistance to reinfection with the same parasite. Moreover, parasite-specific antibodies against reported vaccine candidate antigens were found and persisted in the sera of the cured mice. These findings provide clear evidence that ALA/SFC is effective in an experimental animal model of malaria and may facilitate the development of a new class of antimalarial drug.
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14
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Takeda TA, Mu A, Tai TT, Kitajima S, Taketani S. Continuous de novo biosynthesis of haem and its rapid turnover to bilirubin are necessary for cytoprotection against cell damage. Sci Rep 2015; 5:10488. [PMID: 25990790 PMCID: PMC4438432 DOI: 10.1038/srep10488] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Accepted: 04/15/2015] [Indexed: 11/09/2022] Open
Abstract
It is well known that haem serves as the prosthetic group of various haemoproteins that function in oxygen transport, respiratory chain, and drug metabolism. However, much less is known about the functions of the catabolites of haem in mammalian cells. Haem is enzymatically degraded to iron, carbon monoxide (CO), and biliverdin, which is then converted to bilirubin. Owing to difficulties in measuring bilirubin, however, the generation and transport of this end product remain unclear despite its clinical importance. Here, we used UnaG, the recently identified bilirubin-binding fluorescent protein, to analyse bilirubin production in a variety of human cell lines. We detected a significant amount of bilirubin with many non-blood cell types, which was sensitive to inhibitors of haem metabolism. These results suggest that there is a basal level of haem synthesis and its conversion into bilirubin. Remarkably, substantial changes were observed in the bilirubin generation when cells were exposed to stress insults. Since the stress-induced cell damage was exacerbated by the pharmacological blockade of haem metabolism but was ameliorated by the addition of biliverdin and bilirubin, it is likely that the de novo synthesis of haem and subsequent conversion to bilirubin play indispensable cytoprotective roles against cell damage.
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Affiliation(s)
- Taka-aki Takeda
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Anfeng Mu
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Tran Tien Tai
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Sakihito Kitajima
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Shigeru Taketani
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
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15
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Hayashi M, Fukuhara H, Inoue K, Shuin T, Hagiya Y, Nakajima M, Tanaka T, Ogura SI. The effect of iron ion on the specificity of photodynamic therapy with 5-aminolevulinic acid. PLoS One 2015; 10:e0122351. [PMID: 25822972 PMCID: PMC4379089 DOI: 10.1371/journal.pone.0122351] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2014] [Accepted: 02/15/2015] [Indexed: 01/08/2023] Open
Abstract
Recently, photodynamic therapy using 5-aminolevulinic acid (ALA-PDT) has been widely used in cancer therapy. ALA administration results in tumor-selective accumulation of the photosensitizer protoporphyrin IX (PpIX) via the heme biosynthetic pathway. Although ALA-PDT has selectivity for tumor cells, PpIX is accumulated into cultured normal cells to a small extent, causing side effects. The mechanism of tumor-selective PpIX accumulation is not well understood. The purpose of the present study was to identify the mechanism of tumor-selective PpIX accumulation after ALA administration. We focused on mitochondrial labile iron ion, which is the substrate for metabolism of PpIX to heme. We investigated differences in iron metabolism between tumor cells and normal cells and found that the amount of mitochondrial labile iron ion in cancer was lower than that in normal cells. This finding could be because of the lower expression of mitoferrins, which are the mitochondrial iron transporters. Accordingly, we added sodium ferrous citrate (SFC) with ALA as a source of iron. As a result, we observed the accumulation of PpIX only in tumor cells, and only these cells showed sensitivity to ALA-PDT. Taken together, these results suggest that the uptake abilities of iron ion into mitochondria play a key role in tumor-selective PpIX accumulation. Using SFC as a source of iron might thus increase the specificity of ALA-PDT effects.
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Affiliation(s)
- Maiko Hayashi
- Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259-B47, Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan
| | - Hideo Fukuhara
- Department of Urology, Kochi Medical School, Kohasu, Oko-cho, Nankoku, Kochi, 783-8505, Japan
| | - Keiji Inoue
- Department of Urology, Kochi Medical School, Kohasu, Oko-cho, Nankoku, Kochi, 783-8505, Japan
| | - Taro Shuin
- Department of Urology, Kochi Medical School, Kohasu, Oko-cho, Nankoku, Kochi, 783-8505, Japan
| | - Yuichiro Hagiya
- Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259-B47, Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan
| | - Motowo Nakajima
- SBI Pharma CO., LTD., Izumi Garden Tower 20F, 1-6-1, Roppongi Minato-ku, Tokyo, 106-6020, Japan
| | - Tohru Tanaka
- SBI Pharma CO., LTD., Izumi Garden Tower 20F, 1-6-1, Roppongi Minato-ku, Tokyo, 106-6020, Japan
| | - Shun-ichiro Ogura
- Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259-B47, Nagatsuta-cho, Midori-ku, Yokohama, 226-8501, Japan
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16
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Shimizu R, Lan NN, Tai TT, Adachi Y, Kawazoe A, Mu A, Taketani S. p53 directly regulates the transcription of the human frataxin gene and its lack of regulation in tumor cells decreases the utilization of mitochondrial iron. Gene 2014; 551:79-85. [PMID: 25158131 DOI: 10.1016/j.gene.2014.08.043] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Revised: 08/19/2014] [Accepted: 08/21/2014] [Indexed: 02/05/2023]
Abstract
Mitochondrial frataxin functions in iron homeostasis, biogenesis of iron-sulfur clusters, protection from oxidative stress and apoptosis, and as a tumor suppressor protein. We examined regulation of the expression of the human frataxin by p53. Pifithrin-α, an inhibitor of p53 function, and knockdown of p53 decreased the level of frataxin mRNA in human kidney HEK 293T cells. The transcriptional activity of the human frataxin gene is enhanced by the proximal promoter containing the p53-responsive element (p53RE) on the gene. Chromatin immunoprecipitation assay and electrophoretic mobility shift assay confirmed the binding of p53 to the human frataxin p53RE. The expression of wild-type p53 in human cancer HeLa cells increased the reporter activity carrying p53RE at the region of -209 to -200bp of the frataxin promoter. Finally, when the HeLa cells overexpressing frataxin were treated with 5-aminolevulinic acid (ALA), there was less accumulation of protoporphyrin than HeLa control cells, and it was sharply decreased by the addition of iron citrate, suggesting that the utilization of mitochondrial iron for heme biosynthesis can be dependent on the level of frataxin. Alternatively, the low expression of frataxin not regulated by p53 in tumor cells lowers the utilization of iron in mitochondria, causing the tumor-specific ALA-induced accumulation of protoporphyrin.
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Affiliation(s)
- Rina Shimizu
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Nguyen Ngoc Lan
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Tran Tien Tai
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Yuka Adachi
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Asako Kawazoe
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Anfeng Mu
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan
| | - Shigeru Taketani
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto 606-8585, Japan; Insect Biomedical Center, Kyoto Institute of Technology, Kyoto 606-8585, Japan.
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17
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Tran TT, Mu A, Adachi Y, Adachi Y, Taketani S. Neurotransmitter Transporter Family Including SLC6A6 and SLC6A13 Contributes to the 5-Aminolevulinic Acid (ALA)-Induced Accumulation of Protoporphyrin IX and Photodamage, through Uptake of ALA by Cancerous Cells. Photochem Photobiol 2014; 90:1136-43. [PMID: 24842606 DOI: 10.1111/php.12290] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2014] [Accepted: 05/14/2014] [Indexed: 01/08/2023]
Affiliation(s)
- Tai Tien Tran
- Department of Biotechnology; Kyoto Institute of Technology; Kyoto Japan
| | - Anfeng Mu
- Department of Biotechnology; Kyoto Institute of Technology; Kyoto Japan
| | - Yuka Adachi
- Department of Biotechnology; Kyoto Institute of Technology; Kyoto Japan
| | - Yasushi Adachi
- Department of Pathology; Toyooka Hospital; Toyooka Hyogo Japan
| | - Shigeru Taketani
- Department of Biotechnology; Kyoto Institute of Technology; Kyoto Japan
- Insect Biomedical Center; Kyoto Institute of Technology; Kyoto Japan
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18
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Na HK, Surh YJ. Oncogenic potential of Nrf2 and its principal target protein heme oxygenase-1. Free Radic Biol Med 2014; 67:353-65. [PMID: 24200599 DOI: 10.1016/j.freeradbiomed.2013.10.819] [Citation(s) in RCA: 348] [Impact Index Per Article: 34.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2013] [Revised: 10/28/2013] [Accepted: 10/29/2013] [Indexed: 10/26/2022]
Abstract
Nuclear factor erythroid 2-related factor 2 (Nrf2) is an essential component of cellular defense against a vast variety of endogenous and exogenous insults, including oxidative stress. Nrf2 acts as a master switch in the circuits upregulating the expression of various stress-response proteins, especially heme oxygenase-1 (HO-1). Paradoxically, however, recent studies have demonstrated oncogenic functions of Nrf2 and its major target protein HO-1. Levels of Nrf2 and HO-1 are elevated in many different types of human malignancies, which may facilitate the remodeling of the tumor microenvironment making it advantageous for the autonomic growth of cancer cells, metastasis, angiogenesis, and tolerance to chemotherapeutic agents and radiation and photodynamic therapy. In this context, the cellular stress response or cytoprotective signaling mediated via the Nrf2-HO-1 axis is hijacked by cancer cells for their growth advantage and survival of anticancer treatment. Therefore, Nrf2 and HO-1 may represent potential therapeutic targets in the management of cancer. This review highlights the roles of Nrf2 and HO-1 in proliferation of cancer cells, their tolerance/resistance to anticancer treatments, and metastasis or angiogenesis in tumor progression.
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Affiliation(s)
- Hye-Kyung Na
- Department of Food & Nutrition, College of Human Ecology, Sungshin Women's University, Seoul 142-732, South Korea
| | - Young-Joon Surh
- Tumor Microenvironment Global Core Research Institute, College of Pharmacy, Seoul National University, Seoul 151-742, South Korea; Department of Molecular Medicine and Biopharmaceutical Science, Graduate School of Convergence Science and Technology, Seoul National University, Seoul 151-742, South Korea; Cancer Research Institute, Seoul National University, Seoul 110-744, South Korea.
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19
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Komatsuya K, Hata M, Balogun EO, Hikosaka K, Suzuki S, Takahashi K, Tanaka T, Nakajima M, Ogura SI, Sato S, Kita K. Synergy of ferrous ion on 5-aminolevulinic acid-mediated growth inhibition of Plasmodium falciparum. J Biochem 2013; 154:501-4. [PMID: 24158489 DOI: 10.1093/jb/mvt096] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Haem biosynthesis appeared to be a target of malaria therapy because 5-aminolevulinic acid (ALA), a haem biosynthesis starting material, with light exposure or a high amount of ALA alone reduced Plasmodium falciparum growth to undetectable level. However, the administration of a high dose of ALA is unrealistic for clinical therapy. We found that Fe(2+) enhanced P. falciparum-killing potency of ALA and significantly inhibited the parasite growth. The intermediates of haem biosynthesis localized to the parasite organelles, and coproporphyrin III was the most accumulated intermediate. These novel findings may lead to development of a new anti-malarial drug using ALA and Fe(2+).
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Affiliation(s)
- Keisuke Komatsuya
- Department of Biomedical Chemistry, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033; Department of Applied Biology, Graduate School of Science and Technology, Kyoto Institute of Technology, Sakyo-ku, Kyoto 606-8585, Japan; Department of Biochemistry, Ahmadu Bello University, Zaria 2222, Nigeria; SBI Pharmaceuticals Co, LTD, Izumi Garden Tower 20F, 1-6-1, Roppongi, Minato-ku, Tokyo; Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, 4259-B102 Nagatsuta-cho, Midori-ku, Yokohama 226-8501, Japan; and Division of Parasitology, MRC National Institute for Medical Research, The Ridgeway, Mill Hill, London NW7 1AA, UK
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20
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Watanabe S, Hanaoka M, Ohba Y, Ono T, Ohnuma M, Yoshikawa H, Taketani S, Tanaka K. Mitochondrial localization of ferrochelatase in a red alga Cyanidioschyzon merolae. PLANT & CELL PHYSIOLOGY 2013; 54:1289-95. [PMID: 23700350 DOI: 10.1093/pcp/pct077] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Ferrochelatase (FECH) is an essential enzyme for the final step of heme biosynthesis. In green plants, its activity has been reported in both plastids and mitochondria. However, the precise subcellular localization of FECH remains uncertain. In this study, we analyzed the localization of FECH in the unicellular red alga, Cyanidioschyzon merolae. Immunoblot and enzyme activity analyses of subcellular fractions localized little FECH in the plastid. In addition, immunofluorescence microscopy identified that both intrinsic and hemagglutinin (HA)-tagged FECH are localized in the mitochondrion. We therefore conclude that FECH is localized in the mitochondrion in C. merolae.
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Affiliation(s)
- Satoru Watanabe
- Department of Bioscience, Tokyo University of Agriculture, 1-1-1 Sakuragaoka, Setagaya-ku, Tokyo 156-8502, Japan
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21
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Kim CH, Chung CW, Lee HM, Kim DH, Kwak TW, Jeong YIL, Kang DH. Synergistic effects of 5-aminolevulinic acid based photodynamic therapy and celecoxib via oxidative stress in human cholangiocarcinoma cells. Int J Nanomedicine 2013; 8:2173-86. [PMID: 23807846 PMCID: PMC3685402 DOI: 10.2147/ijn.s44394] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
5-Aminolevulinic acid (ALA)-based photodynamic therapy (PDT) has the potential to kill cancer cells via apoptotic or necrotic signals that are dependent on the generation of intracellular reactive oxygen species (ROS). Celecoxib is an anti-inflammatory drug that induces intracellular ROS generation. We investigated whether the combined application of celecoxib and ALA-PDT improved the efficacy of PDT in human cholangiocarcinoma cells and in tumor bearing mice. In vitro, combined treatment of celecoxib and ALA-PDT increased phototoxicity and intracellular ROS levels after irradiation with 0.75 J/cm(2) when compared to ALA-PDT alone. Even though ROS levels increased with 0.25 J/cm(2) of irradiation, it did not influence phototoxicity. When heme oxygenase-1, a defensive protein induced by oxidative stress, was inhibited in the combined treatment group, phototoxicity was increased at both 0.25 J/cm(2) and 0.75 J/cm(2) of irradiation. We identified the combined effect of ALA-PDT and celecoxib through the increase of oxidative stress such as ROS. In vivo, about 40% tumor growth inhibition was observed with combined application of ALA-PDT and celecoxib when compared to ALA-PDT alone. The combined application of ALA-PDT and celecoxib could be an effective therapy for human cholangiocarcinoma. Moreover, use of a heme oxygenase-1 inhibitor with PDT could play an important role for management of various tumors involving oxidative stress.
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Affiliation(s)
- Cy Hyun Kim
- National Research and Development Center for Hepatobiliary Cancer, Research Institute for Convergence of Biomedical Science and Technology, Yangsan, Republic of Korea
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22
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Sawamoto M, Imai T, Umeda M, Fukuda K, Kataoka T, Taketani S. The p53-dependent expression of frataxin controls 5-aminolevulinic acid-induced accumulation of protoporphyrin IX and photo-damage in cancerous cells. Photochem Photobiol 2013; 89:163-72. [PMID: 22862424 DOI: 10.1111/j.1751-1097.2012.01215.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2012] [Accepted: 07/25/2012] [Indexed: 11/29/2022]
Abstract
Mitochondrial frataxin is involved in various functions such as iron homeostasis, iron-sulfur cluster biogenesis, the protection from oxidative stress and apoptosis and acts as a tumor suppressor protein. We now show that the expression of frataxin is stimulated in a p53-dependent manner and prove that frataxin is a direct p53 target gene by showing that the p53-responsive element in the promoter of the mouse frataxin gene is bound by p53. The bacterial expression of human frataxin stimulated maturation of human ferrochelatase, which catalyzes the insertion of iron into protoporphyrin at the last step of heme biosynthesis. Overexpression of frataxin in human cancer A431 and HeLa cells lowered 5-aminolevulinic acid(ALA)-induced accumulation of protoporphyrin and induced resistance to ALA-induced photo-damage, whereas p53 silencing with siRNA in non tumor HEK293T cells down-regulated the expression of frataxin and increased the accumulation of protoporphyrin. Thus, the decrease of the expression of frataxin unregulated by p53 in tumor cells enhances ALA-induced photo-damage, by down-regulation of mitochondrial functions.
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Affiliation(s)
- Mari Sawamoto
- Department of Biotechnology, Kyoto Institute of Technology, Kyoto, Japan
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